
EPAC: INVEST 91E
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- cycloneye
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Re: EPAC: INVEST 91E
12z GFS has a cat 1 Hurricane.


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- cycloneye
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Re: EPAC: INVEST 91E
Up to 60% in 2 days.
TROPICAL WEATHER OUTLOOK
NWS NATIONAL HURRICANE CENTER MIAMI FL
1100 AM PDT WED JUN 1 2016
For the eastern North Pacific...east of 140 degrees west longitude:
Showers and thunderstorms associated with a broad area of low
pressure located about 1000 miles south of the southern tip of the
Baja California peninsula have become a little better organized
over the past day or so, but the low does not have a well-defined
center of circulation. Environmental conditions are expected to be
conducive for additional development of this system during the next
several days, and a tropical depression is likely to form later this
week as the disturbance moves west-northwestward at about 15 mph.
* Formation chance through 48 hours...medium...60 percent
* Formation chance through 5 days...high...90 percent
$$
Forecaster Berg
TROPICAL WEATHER OUTLOOK
NWS NATIONAL HURRICANE CENTER MIAMI FL
1100 AM PDT WED JUN 1 2016
For the eastern North Pacific...east of 140 degrees west longitude:
Showers and thunderstorms associated with a broad area of low
pressure located about 1000 miles south of the southern tip of the
Baja California peninsula have become a little better organized
over the past day or so, but the low does not have a well-defined
center of circulation. Environmental conditions are expected to be
conducive for additional development of this system during the next
several days, and a tropical depression is likely to form later this
week as the disturbance moves west-northwestward at about 15 mph.
* Formation chance through 48 hours...medium...60 percent
* Formation chance through 5 days...high...90 percent
$$
Forecaster Berg
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Re: EPAC: INVEST 91E
Looking less vigorous in the past few hours. My guess is this may take a while to try and get going.
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- Yellow Evan
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Re: EPAC: INVEST 91E
Looks almost there to me but not sure if there's a well defined center yet.
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- cycloneye
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Re: EPAC: INVEST 91E
Code: Select all
* EAST PACIFIC SHIPS INTENSITY FORECAST *
* IR SAT DATA AVAILABLE, OHC AVAILABLE *
* INVEST EP912016 06/01/16 18 UTC *
TIME (HR) 0 6 12 18 24 36 48 60 72 84 96 108 120
V (KT) NO LAND 25 26 29 31 34 39 48 53 62 67 75 77 76
V (KT) LAND 25 26 29 31 34 39 48 53 62 67 75 77 76
V (KT) LGEM 25 25 26 27 27 29 31 32 35 39 48 56 63
Storm Type TROP TROP TROP TROP TROP TROP TROP TROP TROP TROP TROP TROP TROP
SHEAR (KT) 10 13 14 13 11 6 1 2 10 12 5 3 5
SHEAR ADJ (KT) 8 8 9 8 7 7 8 5 -4 -6 0 3 0
SHEAR DIR 94 93 75 62 55 23 7 132 73 58 17 36 22
SST (C) 29.6 29.7 29.8 29.8 29.8 29.6 29.4 29.3 29.5 29.6 29.5 29.3 29.1
POT. INT. (KT) 162 163 164 164 163 160 156 153 158 160 159 156 153
200 MB T (C) -52.7 -52.4 -52.8 -53.1 -52.8 -52.6 -52.5 -52.3 -52.5 -52.5 -52.3 -51.9 -52.2
200 MB VXT (C) 0.0 -0.1 -0.1 -0.1 -0.1 -0.1 -0.1 0.0 0.1 0.1 0.1 0.1 0.1
TH_E DEV (C) 7 7 6 7 6 6 6 6 6 6 7 8 8
700-500 MB RH 62 59 57 60 60 64 62 60 56 55 53 50 46
MODEL VTX (KT) 8 9 10 11 11 10 11 11 13 14 18 20 20
850 MB ENV VOR 14 17 22 28 30 24 19 20 31 41 54 53 52
200 MB DIV 118 120 112 71 39 22 -6 4 53 105 125 84 73
700-850 TADV 0 1 0 0 -1 -1 0 0 0 0 0 1 2
LAND (KM) 1500 1602 1725 1845 1953 2123 2240 2256 2197 2035 1842 1712 1641
LAT (DEG N) 9.0 8.9 8.5 7.9 7.3 6.2 5.5 5.5 6.0 7.1 8.7 10.2 11.1
LONG(DEG W) 113.9 115.2 116.4 117.4 118.4 119.6 120.5 120.8 120.6 119.6 118.9 119.1 119.3
STM SPEED (KT) 13 13 12 12 10 7 3 2 5 9 8 6 4
HEAT CONTENT 79 55 34 27 23 22 24 25 23 22 27 37 40
FORECAST TRACK FROM TABM INITIAL HEADING/SPEED (DEG/KT):265/ 13 CX,CY: -12/ 0
T-12 MAX WIND: 25 PRESSURE OF STEERING LEVEL (MB): 387 (MEAN=586)
GOES IR BRIGHTNESS TEMP. STD DEV. 50-200 KM RAD: 21.5 (MEAN=14.5)
% GOES IR PIXELS WITH T < -20 C 50-200 KM RAD: 60.0 (MEAN=65.0)
PRELIM RI PROB (DV .GE. 30 KT IN 24 HR): 15.5
INDIVIDUAL CONTRIBUTIONS TO INTENSITY CHANGE
6 12 18 24 36 48 60 72 84 96 108 120
----------------------------------------------------------
SAMPLE MEAN CHANGE 0. 0. 1. 1. 1. 1. 1. 1. 0. -1. -1. -2.
SST POTENTIAL 0. -1. -1. 0. 6. 13. 21. 27. 30. 32. 33. 33.
VERTICAL SHEAR MAG 1. 1. 1. 1. 1. 3. 5. 6. 6. 7. 8. 10.
VERTICAL SHEAR ADJ -1. -1. -2. -3. -4. -5. -5. -3. -2. -1. -1. -1.
VERTICAL SHEAR DIR 1. 2. 3. 5. 7. 8. 7. 9. 11. 11. 11. 11.
PERSISTENCE 0. 0. 0. -1. -1. -1. -1. 0. 0. 0. 0. 1.
200/250 MB TEMP. 0. 0. 0. -1. -2. -3. -4. -5. -6. -6. -6. -6.
THETA_E EXCESS 0. 0. 0. 0. 0. 0. 0. -1. -1. 0. 0. 0.
700-500 MB RH 0. 0. 0. 0. 0. 0. 0. 0. -1. -1. -1. -1.
MODEL VTX TENDENCY 0. 1. 2. 3. 3. 4. 5. 7. 8. 13. 14. 13.
850 MB ENV VORTICITY 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0.
200 MB DIVERGENCE 1. 1. 2. 2. 2. 1. 1. 1. 1. 2. 2. 2.
850-700 T ADVEC 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 1.
ZONAL STORM MOTION 0. 1. 1. 1. 2. 3. 3. 2. 2. 1. 1. 1.
STEERING LEVEL PRES 0. -1. -1. -1. -2. -2. -2. -3. -3. -4. -4. -4.
DAYS FROM CLIM. PEAK 0. 0. 0. 0. 0. 0. 0. -1. -1. -2. -2. -2.
GOES PREDICTORS 0. 0. 0. 0. 0. -1. -2. -3. -3. -3. -4. -4.
OCEAN HEAT CONTENT 0. 1. 1. 1. 1. 1. 1. 0. 0. 0. 0. 0.
----------------------------------------------------------
TOTAL CHANGE 1. 4. 6. 9. 14. 23. 28. 37. 42. 50. 52. 51.
CURRENT MAX WIND (KT): 25. LAT, LON: 9.0 113.9
** 2015 E. Pacific RI INDEX EP912016 INVEST 06/01/16 18 UTC **
(SHIPS-RII PREDICTOR TABLE for 30 KT OR MOREMAXIMUM WIND INCREASE IN NEXT 24-h)
Predictor Value RI Predictor Range Scaled Value(0-1) % Contribution
12 HR PERSISTENCE (KT): 0.0 -22.0 to 38.5 0.36 2.8
POT = MPI-VMAX (KT) : 138.2 40.3 to 144.5 0.94 5.2
HEAT CONTENT (KJ/cm2) : 43.6 0.0 to 75.9 0.57 4.0
STD DEV OF IR BR TEMP : 21.5 38.9 to 2.1 0.47 3.1
850-200 MB SHEAR (KT) : 12.1 18.9 to 1.4 0.39 2.3
MAXIMUM WIND (kt) : 25.0 22.5 to 132.0 0.07 0.4
D200 (10**7s-1) : 92.0 -11.0 to 135.3 0.70 2.2
BL DRY-AIR FLUX (w/m2): 126.0 638.0 to -68.2 0.73 0.0
2nd PC OF IR BR TEMP : 0.4 2.1 to -1.7 0.45 -0.5
% AREA WITH TPW <45 mm: 0.0 81.4 to 0.0 1.00 0.7
SHIPS Prob RI for 20kt/ 12hr RI threshold= 0% is 0.0 times sample mean ( 6.3%)
SHIPS Prob RI for 25kt/ 24hr RI threshold= 28% is 2.2 times sample mean (12.9%)
SHIPS Prob RI for 30kt/ 24hr RI threshold= 20% is 2.4 times sample mean ( 8.6%)
SHIPS Prob RI for 35kt/ 24hr RI threshold= 0% is 0.0 times sample mean ( 5.8%)
SHIPS Prob RI for 40kt/ 24hr RI threshold= 0% is 0.0 times sample mean ( 4.1%)
SHIPS Prob RI for 45kt/ 36hr RI threshold= 0% is 0.0 times sample mean ( 7.1%)
SHIPS Prob RI for 55kt/ 48hr RI threshold= 0% is 0.0 times sample mean ( 5.9%)
Matrix of RI probabilities
---------------------------------------------------------------------
RI (kt / h) | 20/12 | 25/24 | 30/24 | 35/24 | 40/24 | 45/36 | 55/48
---------------------------------------------------------------------
SHIPS-RII: 0.0% 28.0% 20.2% 0.0% 0.0% 0.0% 0.0%
Logistic: 5.7% 19.8% 16.9% 4.9% 2.8% 26.4% 16.9%
Bayesian: 0.1% 5.6% 1.9% 0.5% 0.2% 0.3% 0.3%
Consensus: 1.9% 17.8% 13.0% 1.8% 1.0% 8.9% 5.7%
## ANNULAR HURRICANE INDEX (AHI) EP912016 INVEST 06/01/16 18 UTC ##
## STORM NOT ANNULAR, SCREENING STEP FAILED, NPASS=3 NFAIL=4 ##
## AHI= 0 (AHI OF 100 IS BEST FIT TO ANN. STRUC., 1 IS MARGINAL, 0 IS NOT ANNULAR) ##
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- cycloneye
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Re: EPAC: INVEST 91E
Almost all the intensity guidance is at TS strength as peak.


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- cycloneye
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Re: EPAC: INVEST 91E
Good turning going on but is there a well defined circulation forming or has already formed is the question.
http://rammb.cira.colostate.edu/ramsdis ... display=12
http://rammb.cira.colostate.edu/ramsdis ... display=12
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- Kingarabian
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Re: EPAC: INVEST 91E
5 hour old microwave passes dont show a well defined center. But since then, this system has really got going. If it keeps it up we may see classification in the next advisory.
SAB is at 1.0.
SAB is at 1.0.
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Re: EPAC: INVEST 91E
01/1800 UTC 8.6N 114.1W T1.0/1.0 91E -- East Pacif
Honestly it's been long overdue for Dvorak.
Honestly it's been long overdue for Dvorak.
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- Yellow Evan
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Re: EPAC: INVEST 91E



Appears to have become better defined. Any increase in persistent organization and we have a TC on our hands IMO.
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- Kingarabian
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- cycloneye
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Re: EPAC: INVEST 91E
70%-90%
TROPICAL WEATHER OUTLOOK
NWS NATIONAL HURRICANE CENTER MIAMI FL
500 PM PDT WED JUN 1 2016
For the eastern North Pacific...east of 140 degrees west longitude:
Showers and thunderstorms associated with a broad area of low
pressure located about 1000 miles south-southwest of the southern
tip of the Baja California peninsula have become a little more
concentrated during the past 24 hours, but the low does not have
a well-defined center of circulation. Environmental conditions are
expected to be conducive for development, and a tropical depression
is likely to form during the next couple of days while the
disturbance moves west-northwestward at 10 to 15 mph.
* Formation chance through 48 hours...high...70 percent
* Formation chance through 5 days...high...90 percent
Forecaster Brown
TROPICAL WEATHER OUTLOOK
NWS NATIONAL HURRICANE CENTER MIAMI FL
500 PM PDT WED JUN 1 2016
For the eastern North Pacific...east of 140 degrees west longitude:
Showers and thunderstorms associated with a broad area of low
pressure located about 1000 miles south-southwest of the southern
tip of the Baja California peninsula have become a little more
concentrated during the past 24 hours, but the low does not have
a well-defined center of circulation. Environmental conditions are
expected to be conducive for development, and a tropical depression
is likely to form during the next couple of days while the
disturbance moves west-northwestward at 10 to 15 mph.
* Formation chance through 48 hours...high...70 percent
* Formation chance through 5 days...high...90 percent
Forecaster Brown
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Re: EPAC: INVEST 91E
Code: Select all
* EAST PACIFIC SHIPS INTENSITY FORECAST *
* IR SAT DATA AVAILABLE, OHC AVAILABLE *
* INVEST EP912016 06/02/16 00 UTC *
TIME (HR) 0 6 12 18 24 36 48 60 72 84 96 108 120
V (KT) NO LAND 25 28 31 34 37 45 53 59 66 69 71 74 73
V (KT) LAND 25 28 31 34 37 45 53 59 66 69 71 74 73
V (KT) LGEM 25 26 26 27 28 30 33 37 41 47 55 64 70
Storm Type TROP TROP TROP TROP TROP TROP TROP TROP TROP TROP TROP TROP TROP
SHEAR (KT) 12 12 13 13 11 9 4 5 5 5 6 7 9
SHEAR ADJ (KT) 9 9 6 4 0 3 5 1 -1 -3 -3 2 5
SHEAR DIR 91 80 76 81 93 112 130 105 76 119 117 94 85
SST (C) 29.7 29.7 29.7 29.6 29.6 29.5 29.3 29.2 29.0 28.7 28.5 28.4 28.2
POT. INT. (KT) 161 159 160 159 159 159 157 155 154 151 149 147 145
200 MB T (C) -52.4 -52.7 -52.8 -52.5 -52.0 -52.6 -52.2 -52.5 -52.2 -52.5 -52.3 -52.7 -52.2
200 MB VXT (C) -0.1 -0.1 -0.1 -0.2 -0.2 -0.2 0.0 0.0 0.1 0.1 0.1 0.1 0.1
TH_E DEV (C) 7 6 6 6 7 6 6 6 6 6 7 6 6
700-500 MB RH 63 61 62 61 60 60 59 58 56 51 45 43 45
MODEL VTX (KT) 9 10 10 10 9 10 11 10 11 12 14 16 18
850 MB ENV VOR 17 18 19 23 23 17 20 27 29 51 68 78 80
200 MB DIV 113 108 77 57 43 35 22 33 63 73 83 78 76
700-850 TADV 1 0 0 -1 -2 -1 -2 0 0 0 0 1 2
LAND (KM) 1538 1558 1579 1604 1632 1660 1709 1776 1855 1942 2046 2129 2205
LAT (DEG N) 8.8 xx.x xx.x xx.x xx.x xx.x xx.x xx.x xx.x xx.x xx.x xx.x xx.x
LONG(DEG W) 114.2 xxx.x xxx.x xxx.x xxx.x xxx.x xxx.x xxx.x xxx.x xxx.x xxx.x xxx.x xxx.x
STM SPEED (KT) 7 4 5 6 6 7 8 7 7 8 8 7 6
HEAT CONTENT 91 88 85 80 73 51 41 35 29 24 19 17 14
FORECAST TRACK FROM OFPI INITIAL HEADING/SPEED (DEG/KT):260/ 10 CX,CY: -9/ -1
T-12 MAX WIND: 25 PRESSURE OF STEERING LEVEL (MB): 435 (MEAN=586)
GOES IR BRIGHTNESS TEMP. STD DEV. 50-200 KM RAD: 12.5 (MEAN=14.5)
% GOES IR PIXELS WITH T < -20 C 50-200 KM RAD: 85.0 (MEAN=65.0)
PRELIM RI PROB (DV .GE. 30 KT IN 24 HR): 16.7
INDIVIDUAL CONTRIBUTIONS TO INTENSITY CHANGE
6 12 18 24 36 48 60 72 84 96 108 120
----------------------------------------------------------
SAMPLE MEAN CHANGE 0. 0. 1. 1. 1. 1. 1. 1. 0. -1. -1. -2.
SST POTENTIAL 0. -1. 0. 1. 6. 13. 21. 26. 29. 31. 32. 32.
VERTICAL SHEAR MAG 1. 1. 1. 1. 1. 2. 3. 4. 5. 6. 7. 8.
VERTICAL SHEAR ADJ -1. -1. -2. -2. -2. -3. -2. -2. -1. -1. -1. -1.
VERTICAL SHEAR DIR 1. 2. 3. 5. 7. 8. 9. 12. 12. 12. 12. 12.
PERSISTENCE 0. 0. 0. -1. -1. -1. -1. 0. 0. 0. 0. 1.
200/250 MB TEMP. 0. 0. 0. 0. -1. -2. -3. -4. -5. -5. -5. -5.
THETA_E EXCESS 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0.
700-500 MB RH 0. 0. 0. 0. 0. 0. 0. -1. -1. -1. -2. -2.
MODEL VTX TENDENCY 0. 0. 1. 0. 1. 2. 2. 3. 4. 6. 8. 9.
850 MB ENV VORTICITY 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. -1.
200 MB DIVERGENCE 0. 1. 1. 2. 2. 2. 1. 1. 2. 2. 2. 2.
850-700 T ADVEC 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0.
ZONAL STORM MOTION 0. 0. 0. 1. 1. 1. 1. 1. 1. 1. 0. 0.
STEERING LEVEL PRES 0. 0. -1. -1. -1. -2. -2. -2. -2. -3. -3. -3.
DAYS FROM CLIM. PEAK 0. 0. 0. 0. 0. 0. 0. -1. -1. -2. -2. -2.
GOES PREDICTORS 1. 2. 3. 4. 4. 3. 2. 1. 0. -1. -1. -1.
OCEAN HEAT CONTENT 0. 1. 2. 3. 4. 4. 3. 2. 1. 1. 1. 0.
----------------------------------------------------------
TOTAL CHANGE 3. 6. 9. 12. 20. 28. 34. 41. 44. 46. 49. 48.
CURRENT MAX WIND (KT): 25. LAT, LON: 8.8 114.2
** 2015 E. Pacific RI INDEX EP912016 INVEST 06/02/16 00 UTC **
(SHIPS-RII PREDICTOR TABLE for 30 KT OR MOREMAXIMUM WIND INCREASE IN NEXT 24-h)
Predictor Value RI Predictor Range Scaled Value(0-1) % Contribution
12 HR PERSISTENCE (KT): 0.0 -22.0 to 38.5 0.36 3.7
POT = MPI-VMAX (KT) : 134.6 40.3 to 144.5 0.91 6.6
HEAT CONTENT (KJ/cm2) : 83.4 0.0 to 75.9 1.00 9.2
STD DEV OF IR BR TEMP : 12.5 38.9 to 2.1 0.72 6.2
850-200 MB SHEAR (KT) : 12.5 18.9 to 1.4 0.36 2.8
MAXIMUM WIND (kt) : 25.0 22.5 to 132.0 0.07 0.5
D200 (10**7s-1) : 79.6 -11.0 to 135.3 0.62 2.5
BL DRY-AIR FLUX (w/m2): 114.8 638.0 to -68.2 0.74 0.0
2nd PC OF IR BR TEMP : 0.7 2.1 to -1.7 0.38 -0.6
% AREA WITH TPW <45 mm: 0.0 81.4 to 0.0 1.00 0.9
SHIPS Prob RI for 20kt/ 12hr RI threshold= 0% is 0.0 times sample mean ( 6.3%)
SHIPS Prob RI for 25kt/ 24hr RI threshold= 48% is 3.7 times sample mean (12.9%)
SHIPS Prob RI for 30kt/ 24hr RI threshold= 32% is 3.7 times sample mean ( 8.6%)
SHIPS Prob RI for 35kt/ 24hr RI threshold= 0% is 0.0 times sample mean ( 5.8%)
SHIPS Prob RI for 40kt/ 24hr RI threshold= 0% is 0.0 times sample mean ( 4.1%)
SHIPS Prob RI for 45kt/ 36hr RI threshold= 0% is 0.0 times sample mean ( 7.1%)
SHIPS Prob RI for 55kt/ 48hr RI threshold= 0% is 0.0 times sample mean ( 5.9%)
Matrix of RI probabilities
---------------------------------------------------------------------
RI (kt / h) | 20/12 | 25/24 | 30/24 | 35/24 | 40/24 | 45/36 | 55/48
---------------------------------------------------------------------
SHIPS-RII: 0.0% 48.0% 31.9% 0.0% 0.0% 0.0% 0.0%
Logistic: 5.6% 23.7% 14.9% 7.3% 4.4% 21.5% 31.1%
Bayesian: 0.1% 1.4% 0.3% 0.0% 0.0% 0.9% 1.1%
Consensus: 1.9% 24.4% 15.7% 2.4% 1.5% 7.5% 10.7%
## ANNULAR HURRICANE INDEX (AHI) EP912016 INVEST 06/02/16 00 UTC ##
## STORM NOT ANNULAR, SCREENING STEP FAILED, NPASS=3 NFAIL=4 ##
## AHI= 0 (AHI OF 100 IS BEST FIT TO ANN. STRUC., 1 IS MARGINAL, 0 IS NOT ANNULAR) ##
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- gatorcane
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Re: EPAC: INVEST 91E
This invest appears to be organizing. Looks much better than earlier today.
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- Yellow Evan
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Re: EPAC: INVEST 91E
Mid-level shear has increased, as evident by a less conducive upper level pattern in recent frames. Here we go again.


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- Kingarabian
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Re: EPAC: INVEST 91E
Yeah structure wise it looks good. Needs to build back convection.
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Re: EPAC: INVEST 91E
WTPN21 PHNC 020200
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/TROPICAL CYCLONE FORMATION ALERT//
RMKS/
1. FORMATION OF A SIGNIFICANT TROPICAL CYCLONE IS POSSIBLE WITHIN
070 NM EITHER SIDE OF A LINE FROM 8.7N 113.8W TO 10.0N 117.5W
WITHIN THE NEXT 12 TO 24 HOURS. AVAILABLE DATA DOES NOT JUSTIFY
ISSUANCE OF NUMBERED TROPICAL CYCLONE WARNINGS AT THIS TIME.
WINDS IN THE AREA ARE ESTIMATED TO BE 18 TO 23 KNOTS. METSAT
IMAGERY AT 020000Z INDICATES THAT A CIRCULATION CENTER IS LOCATED
NEAR 8.8N 114.2W. THE SYSTEM IS MOVING WEST-SOUTHWESTWARD AT 11
KNOTS.
2. REMARKS: THE AREA OF CONVECTION PREVIOUSLY LOCATED NEAR 9.0N
113.9E, IS NOW LOCATED NEAR 11.9N 81.4E, APPROXIMATELY 620 NM
SOUTHWEST OF SOCORRO ISLAND, MEXICO. ANIMATED MULTISPECTRAL
SATELLITE IMAGERY DEPICTS PERSISTENT, DEEPENING CONVECTION NEAR AND
AROUND AN ELONGATED LOW LEVEL CIRCULATION CENTER (LLCC). UPPER LEVEL
ANALYSIS INDICATES MODERATE POLEWARD AND WEAK EQUATORWARD, OUTFLOW
AND A MARGINALLY FAVORABLE ENVIRONMENT WITH LOW TO MODERATE (10-20
KNOT) VERTICAL WIND SHEAR (VWS). SEA SURFACE TEMPERATURES OF 29 TO
30 CELSIUS ARE CONDUCIVE FOR FURTHER DEVELOPMENT. A 012351Z GPM
89GHZ MICROWAVE IMAGE DEPICTED DEEP CONVECTION ALONG THE WESTERN
PERIPHERY OF A CONSOLIDATING LLCC. A 011725Z PARTIAL SCATTEROMETER
PASS SHOWED 15 TO 20 KNOT WINDS ALONG THE SOUTHEASTERN PERIPHERY.
MAXIMUM SUSTAINED SURFACE WINDS ARE ESTIMATED AT 18 TO 23 KNOTS.
MINIMUM SEA LEVEL PRESSURE IS ESTIMATED TO BE NEAR 1005 MB. DUE TO
THE INCREASED CONSOLIDATION AND CONVECTIVE SIGNATURE, THE POTENTIAL
FOR THE DEVELOPMENT OF A SIGNIFICANT TROPICAL CYCLONE WITHIN THE
NEXT 24 HOURS IS HIGH.
3. THIS ALERT WILL BE REISSUED, UPGRADED TO WARNING OR CANCELLED BY
030200Z.//
NNNN
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/TROPICAL CYCLONE FORMATION ALERT//
RMKS/
1. FORMATION OF A SIGNIFICANT TROPICAL CYCLONE IS POSSIBLE WITHIN
070 NM EITHER SIDE OF A LINE FROM 8.7N 113.8W TO 10.0N 117.5W
WITHIN THE NEXT 12 TO 24 HOURS. AVAILABLE DATA DOES NOT JUSTIFY
ISSUANCE OF NUMBERED TROPICAL CYCLONE WARNINGS AT THIS TIME.
WINDS IN THE AREA ARE ESTIMATED TO BE 18 TO 23 KNOTS. METSAT
IMAGERY AT 020000Z INDICATES THAT A CIRCULATION CENTER IS LOCATED
NEAR 8.8N 114.2W. THE SYSTEM IS MOVING WEST-SOUTHWESTWARD AT 11
KNOTS.
2. REMARKS: THE AREA OF CONVECTION PREVIOUSLY LOCATED NEAR 9.0N
113.9E, IS NOW LOCATED NEAR 11.9N 81.4E, APPROXIMATELY 620 NM
SOUTHWEST OF SOCORRO ISLAND, MEXICO. ANIMATED MULTISPECTRAL
SATELLITE IMAGERY DEPICTS PERSISTENT, DEEPENING CONVECTION NEAR AND
AROUND AN ELONGATED LOW LEVEL CIRCULATION CENTER (LLCC). UPPER LEVEL
ANALYSIS INDICATES MODERATE POLEWARD AND WEAK EQUATORWARD, OUTFLOW
AND A MARGINALLY FAVORABLE ENVIRONMENT WITH LOW TO MODERATE (10-20
KNOT) VERTICAL WIND SHEAR (VWS). SEA SURFACE TEMPERATURES OF 29 TO
30 CELSIUS ARE CONDUCIVE FOR FURTHER DEVELOPMENT. A 012351Z GPM
89GHZ MICROWAVE IMAGE DEPICTED DEEP CONVECTION ALONG THE WESTERN
PERIPHERY OF A CONSOLIDATING LLCC. A 011725Z PARTIAL SCATTEROMETER
PASS SHOWED 15 TO 20 KNOT WINDS ALONG THE SOUTHEASTERN PERIPHERY.
MAXIMUM SUSTAINED SURFACE WINDS ARE ESTIMATED AT 18 TO 23 KNOTS.
MINIMUM SEA LEVEL PRESSURE IS ESTIMATED TO BE NEAR 1005 MB. DUE TO
THE INCREASED CONSOLIDATION AND CONVECTIVE SIGNATURE, THE POTENTIAL
FOR THE DEVELOPMENT OF A SIGNIFICANT TROPICAL CYCLONE WITHIN THE
NEXT 24 HOURS IS HIGH.
3. THIS ALERT WILL BE REISSUED, UPGRADED TO WARNING OR CANCELLED BY
030200Z.//
NNNN
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Re: EPAC: INVEST 91E
WTPN21 PHNC 020200
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/TROPICAL CYCLONE FORMATION ALERT//
RMKS/
1. FORMATION OF A SIGNIFICANT TROPICAL CYCLONE IS POSSIBLE WITHIN
070 NM EITHER SIDE OF A LINE FROM 8.7N 113.8W TO 10.0N 117.5W
WITHIN THE NEXT 12 TO 24 HOURS. AVAILABLE DATA DOES NOT JUSTIFY
ISSUANCE OF NUMBERED TROPICAL CYCLONE WARNINGS AT THIS TIME.
WINDS IN THE AREA ARE ESTIMATED TO BE 18 TO 23 KNOTS. METSAT
IMAGERY AT 020000Z INDICATES THAT A CIRCULATION CENTER IS LOCATED
NEAR 8.8N 114.2W. THE SYSTEM IS MOVING WEST-SOUTHWESTWARD AT 11
KNOTS.
2. REMARKS: THE AREA OF CONVECTION PREVIOUSLY LOCATED NEAR 9.0N
113.9E, IS NOW LOCATED NEAR 11.9N 81.4E, APPROXIMATELY 620 NM
SOUTHWEST OF SOCORRO ISLAND, MEXICO. ANIMATED MULTISPECTRAL
SATELLITE IMAGERY DEPICTS PERSISTENT, DEEPENING CONVECTION NEAR AND
AROUND AN ELONGATED LOW LEVEL CIRCULATION CENTER (LLCC). UPPER LEVEL
ANALYSIS INDICATES MODERATE POLEWARD AND WEAK EQUATORWARD, OUTFLOW
AND A MARGINALLY FAVORABLE ENVIRONMENT WITH LOW TO MODERATE (10-20
KNOT) VERTICAL WIND SHEAR (VWS). SEA SURFACE TEMPERATURES OF 29 TO
30 CELSIUS ARE CONDUCIVE FOR FURTHER DEVELOPMENT. A 012351Z GPM
89GHZ MICROWAVE IMAGE DEPICTED DEEP CONVECTION ALONG THE WESTERN
PERIPHERY OF A CONSOLIDATING LLCC. A 011725Z PARTIAL SCATTEROMETER
PASS SHOWED 15 TO 20 KNOT WINDS ALONG THE SOUTHEASTERN PERIPHERY.
MAXIMUM SUSTAINED SURFACE WINDS ARE ESTIMATED AT 18 TO 23 KNOTS.
MINIMUM SEA LEVEL PRESSURE IS ESTIMATED TO BE NEAR 1005 MB. DUE TO
THE INCREASED CONSOLIDATION AND CONVECTIVE SIGNATURE, THE POTENTIAL
FOR THE DEVELOPMENT OF A SIGNIFICANT TROPICAL CYCLONE WITHIN THE
NEXT 24 HOURS IS HIGH.
3. THIS ALERT WILL BE REISSUED, UPGRADED TO WARNING OR CANCELLED BY
030200Z.//
NNNN

MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/TROPICAL CYCLONE FORMATION ALERT//
RMKS/
1. FORMATION OF A SIGNIFICANT TROPICAL CYCLONE IS POSSIBLE WITHIN
070 NM EITHER SIDE OF A LINE FROM 8.7N 113.8W TO 10.0N 117.5W
WITHIN THE NEXT 12 TO 24 HOURS. AVAILABLE DATA DOES NOT JUSTIFY
ISSUANCE OF NUMBERED TROPICAL CYCLONE WARNINGS AT THIS TIME.
WINDS IN THE AREA ARE ESTIMATED TO BE 18 TO 23 KNOTS. METSAT
IMAGERY AT 020000Z INDICATES THAT A CIRCULATION CENTER IS LOCATED
NEAR 8.8N 114.2W. THE SYSTEM IS MOVING WEST-SOUTHWESTWARD AT 11
KNOTS.
2. REMARKS: THE AREA OF CONVECTION PREVIOUSLY LOCATED NEAR 9.0N
113.9E, IS NOW LOCATED NEAR 11.9N 81.4E, APPROXIMATELY 620 NM
SOUTHWEST OF SOCORRO ISLAND, MEXICO. ANIMATED MULTISPECTRAL
SATELLITE IMAGERY DEPICTS PERSISTENT, DEEPENING CONVECTION NEAR AND
AROUND AN ELONGATED LOW LEVEL CIRCULATION CENTER (LLCC). UPPER LEVEL
ANALYSIS INDICATES MODERATE POLEWARD AND WEAK EQUATORWARD, OUTFLOW
AND A MARGINALLY FAVORABLE ENVIRONMENT WITH LOW TO MODERATE (10-20
KNOT) VERTICAL WIND SHEAR (VWS). SEA SURFACE TEMPERATURES OF 29 TO
30 CELSIUS ARE CONDUCIVE FOR FURTHER DEVELOPMENT. A 012351Z GPM
89GHZ MICROWAVE IMAGE DEPICTED DEEP CONVECTION ALONG THE WESTERN
PERIPHERY OF A CONSOLIDATING LLCC. A 011725Z PARTIAL SCATTEROMETER
PASS SHOWED 15 TO 20 KNOT WINDS ALONG THE SOUTHEASTERN PERIPHERY.
MAXIMUM SUSTAINED SURFACE WINDS ARE ESTIMATED AT 18 TO 23 KNOTS.
MINIMUM SEA LEVEL PRESSURE IS ESTIMATED TO BE NEAR 1005 MB. DUE TO
THE INCREASED CONSOLIDATION AND CONVECTIVE SIGNATURE, THE POTENTIAL
FOR THE DEVELOPMENT OF A SIGNIFICANT TROPICAL CYCLONE WITHIN THE
NEXT 24 HOURS IS HIGH.
3. THIS ALERT WILL BE REISSUED, UPGRADED TO WARNING OR CANCELLED BY
030200Z.//
NNNN

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Re: EPAC: INVEST 91E

Convection on the decrease. Can it make a comeback? Maybe the stronger looking system to the east is the one the models develop down the road?
Time will tell...

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