ATL: EX Tropical Depression FIVE - Models

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#121 Postby KWT » Mon Aug 09, 2010 4:29 am

Well good to see we have good agreement! :lol:

This system if it does form will probably throw the models a curveball, these sorts of systems always tend to be messy blighters!
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#122 Postby barometerJane61 » Mon Aug 09, 2010 7:49 am

So far we are seeing weaklings.Wonder if we will even see a hurricane form this month
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Re: ATL: INVEST 94L - Models

#123 Postby cycloneye » Mon Aug 09, 2010 8:11 am

12z Tropical Models

Code: Select all

WHXX01 KWBC 091308
CHGHUR
TROPICAL CYCLONE GUIDANCE MESSAGE
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1308 UTC MON AUG 9 2010
 
DISCLAIMER...NUMERICAL MODELS ARE SUBJECT TO LARGE ERRORS.
PLEASE REFER TO NHC OFFICIAL FORECASTS FOR TROPICAL CYCLONE
AND SUBTROPICAL CYCLONE INFORMATION.
 
ATLANTIC OBJECTIVE AIDS FOR
 
DISTURBANCE INVEST (AL942010) 20100809 1200 UTC
 
        ...00 HRS...   ...12 HRS...   ...24 HRS. ..   ...36 HRS...
        100809  1200   100810  0000   100810  1200   100811  0000
 
         LAT    LON     LAT    LON     LAT    LON     LAT    LON
BAMS    26.2N  82.3W   26.2N  83.1W   26.5N  84.3W   26.9N  85.4W
BAMD    26.2N  82.3W   25.3N  83.4W   24.9N  84.5W   25.2N  85.6W
BAMM    26.2N  82.3W   25.8N  83.3W   25.7N  84.6W   26.1N  85.8W
LBAR    26.2N  82.3W   26.0N  83.5W   25.9N  85.1W   26.2N  86.8W
SHIP        20KTS          21KTS          25KTS          31KTS
DSHP        20KTS          21KTS          25KTS          31KTS
 
        ...48 HRS...   ...72 HRS...   ...96 HRS. ..   ..120 HRS...
        100811  1200   100812  1200   100813  1200   100814  1200
 
         LAT    LON     LAT    LON     LAT    LON     LAT    LON
BAMS    27.5N  86.9W   29.0N  89.2W   30.8N  90.8W   33.3N  91.6W
BAMD    26.1N  86.8W   28.6N  89.6W   31.1N  91.4W   33.6N  91.9W
BAMM    26.8N  87.0W   28.9N  89.3W   31.2N  90.6W   33.5N  90.7W
LBAR    26.5N  88.7W   27.5N  92.5W   28.6N  95.6W   30.4N  97.1W
SHIP        38KTS          47KTS          51KTS          54KTS
DSHP        38KTS          47KTS          32KTS          27KTS
 
         ...INITIAL CONDITIONS...
LATCUR =  26.2N LONCUR =  82.3W DIRCUR = 240DEG SPDCUR =   4KT
LATM12 =  27.4N LONM12 =  81.6W DIRM12 = 206DEG SPDM12 =   7KT
LATM24 =  28.6N LONM24 =  80.9W
WNDCUR =   20KT RMAXWD =   75NM WNDM12 =   20KT
CENPRS = 1012MB OUTPRS = 1013MB OUTRAD =  125NM SDEPTH =   S
RD34NE =    0NM RD34SE =    0NM RD34SW =    0NM RD34NW =   0NM
 
$$

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Re: ATL: INVEST 94L - Models

#124 Postby cycloneye » Mon Aug 09, 2010 8:25 am

12z SHIP run

The forecast of less shear continues in this run.

Code: Select all

               *   ATLANTIC SHIPS INTENSITY FORECAST       *
                    *      GOES DATA AVAILABLE                  *
                    *      OHC  DATA AVAILABLE                  *
                    *      INVEST  AL942010  08/09/10  12 UTC   *

TIME (HR)          0     6    12    18    24    36    48    60    72    84    96   108   120
V (KT) NO LAND    20    20    21    23    25    31    38    42    47    50    51    55    54
V (KT) LAND       20    20    21    23    25    31    38    42    47    42    32    28    27
V (KT) LGE mod    20    20    21    21    22    24    27    30    34    30    28    27    27

SHEAR (KT)        27    17    14    16    13     8    14    13    12    13     9     7     8
SHEAR ADJ (KT)    -3    -1     1    -1     0     0     1     0     0    -2     1    -4     1
SHEAR DIR          6    14   355     7    41    99   101   122   109   112    98   139    74
SST (C)         30.4  30.4  30.4  30.5  30.4  30.4  30.5  30.8  31.4  31.7  31.0  29.9  28.9
POT. INT. (KT)   169   169   169   170   169   170   170   170   170   170   170   166   148
ADJ. POT. INT.   151   151   152   155   152   153   155   161   170   170   157   136   121
200 MB T (C)   -51.3 -51.3 -51.1 -51.2 -51.5 -51.5 -51.8 -51.5 -51.5 -51.0 -51.0 -50.4 -50.9
TH_E DEV (C)       9    10    10    10    11    12    10    13    10    15     9    16     8
700-500 MB RH     56    62    59    53    56    57    56    57    62    59    53    55    52
GFS VTEX (KT)      6     6     7     7     7     8     7     5     4     2  LOST  LOST  LOST
850 MB ENV VOR   -33   -10   -16   -29   -15   -14   -25   -38   -58   -65  -104   -92   -68
200 MB DIV       -18    -3     4    11    -2    -1   -14   -10     5    -5   -17    16    -3
LAND (KM)         40    95   150   200   254   342   341   180    22     4  -100  -221  -349
LAT (DEG N)     26.2  26.0  25.8  25.8  25.7  26.1  26.8  27.8  28.9  30.1  31.2  32.3  33.5
LONG(DEG W)     82.3  82.8  83.3  84.0  84.6  85.8  87.0  88.2  89.3  90.0  90.6  90.8  90.7
STM SPEED (KT)     5     5     5     6     5     6     7     8     7     7     6     6     6
HEAT CONTENT       6    19    28    31    66    64    38    35    50     0    46     0     0

  FORECAST TRACK FROM BAMM      INITIAL HEADING/SPEED (DEG/KT):240/  4      CX,CY:  -2/ -1
  T-12 MAX WIND:  20            PRESSURE OF STEERING LEVEL (MB):  543  (MEAN=624)
  GOES IR BRIGHTNESS TEMP. STD DEV.  50-200 KM RAD:  28.5 (MEAN=14.5)
  % GOES IR PIXELS WITH T < -20 C    50-200 KM RAD:  33.0 (MEAN=65.0)

                        INDIVIDUAL CONTRIBUTIONS TO INTENSITY CHANGE
                         6   12   18   24   36   48   60   72   84   96  108  120
                        ----------------------------------------------------------
  SAMPLE MEAN CHANGE     1.   2.   3.   4.   6.   8.   9.  11.  11.  12.  13.  13.
  SST POTENTIAL          0.  -1.  -1.   0.   5.  13.  22.  28.  34.  39.  42.  44.
  VERTICAL SHEAR MAG     2.   4.   6.   7.   9.   9.   8.   8.   7.   7.   8.   8.
  VERTICAL SHEAR ADJ     0.   0.   0.   0.   0.   1.   1.   1.   1.   1.   1.   1.
  VERTICAL SHEAR DIR     0.   0.   0.   0.   0.   0.   0.   0.   0.   0.   0.  -1.
  PERSISTENCE            0.  -1.  -1.  -1.  -1.  -1.  -1.  -1.  -1.   0.   0.   0.
  200/250 MB TEMP.       0.  -1.  -2.  -2.  -3.  -4.  -5.  -6.  -7.  -8.  -9. -10.
  THETA_E EXCESS         0.   0.   0.   0.   0.   0.   0.   0.   1.   0.   2.   1.
  700-500 MB RH          0.   0.   0.   0.   0.   0.  -1.  -1.  -1.  -1.  -1.  -1.
  GFS VORTEX TENDENCY    0.   0.   0.   0.   1.   0.  -1.  -2.  -4.  -5.  -5.  -5.
  850 MB ENV VORTICITY   0.  -1.  -1.  -1.  -2.  -2.  -3.  -4.  -5.  -6.  -7.  -8.
  200 MB DIVERGENCE      0.   0.  -1.  -1.  -1.  -2.  -3.  -3.  -3.  -4.  -3.  -3.
  ZONAL STORM MOTION     0.   0.   0.   0.   0.   0.   0.  -1.  -1.  -1.  -2.  -2.
  STEERING LEVEL PRES    0.   0.   0.   0.   1.   1.   1.   1.   1.   1.   1.   1.
  DAYS FROM CLIM. PEAK   0.   0.   0.   0.   0.   0.   0.   0.   0.   0.   0.   0.
  GOES PREDICTORS       -1.  -1.  -2.  -2.  -3.  -4.  -4.  -4.  -4.  -4.  -3.  -3.
  OCEAN HEAT CONTENT     0.   0.   0.   0.   0.   0.   0.   0.   0.   0.   0.   0.
                        ----------------------------------------------------------
  TOTAL CHANGE           0.   1.   3.   5.  11.  18.  22.  27.  30.  31.  35.  34.

   ** 2010 ATLANTIC RI INDEX AL942010     INVEST 08/09/10  12 UTC **
           ( 30 KT OR MORE MAX WIND INCREASE IN NEXT 24 HR)
 
 12 HR PERSISTENCE (KT):   0.0 Range:-45.0 to  30.0 Scaled/Wgted Val:  0.6/  1.3
 850-200 MB SHEAR (KT) :  17.5 Range: 26.2 to   3.2 Scaled/Wgted Val:  0.4/  0.5
 D200 (10**7s-1)       :  -1.6 Range:-21.0 to 140.0 Scaled/Wgted Val:  0.1/  0.2
 POT = MPI-VMAX (KT)   : 132.2 Range: 33.5 to 126.5 Scaled/Wgted Val:  1.0/  0.7
 850-700 MB REL HUM (%):  64.6 Range: 56.0 to  85.0 Scaled/Wgted Val:  0.3/  0.2
 % area w/pixels <-30 C:  31.0 Range: 17.0 to 100.0 Scaled/Wgted Val:  0.2/  0.0
 STD DEV OF IR BR TEMP :  28.5 Range: 30.6 to   3.2 Scaled/Wgted Val:  0.1/  0.1
 Heat content (KJ/cm2) :  30.0 Range:  0.0 to 130.0 Scaled/Wgted Val:  0.2/  0.0
 
 Prob of RI for 25 kt RI threshold=    16% is   1.3 times the sample mean(12.6%)
 Prob of RI for 30 kt RI threshold=     9% is   1.1 times the sample mean( 8.1%)
 Prob of RI for 35 kt RI threshold=     1% is   0.3 times the sample mean( 4.8%)
 Prob of RI for 40 kt RI threshold=     1% is   0.3 times the sample mean( 3.4%)

   ##         ANNULAR HURRICANE INDEX (AHI) AL942010     INVEST 08/09/10  12 UTC         ##
   ## STORM NOT ANNULAR, SCREENING STEP FAILED, NPASS=2 NFAIL=5                          ##
   ## AHI=  0   (AHI OF 100 IS BEST FIT TO ANN. STRUC., 1 IS MARGINAL, 0 IS NOT ANNULAR) ##
   ##     ANNULAR INDEX RAN NORMALLY             

** PROBLTY OF AT LEAST 1 SCNDRY EYEWL FORMTN EVENT AL942010     INVEST 08/09/2010  12 UTC **
TIME(HR)   0-12  12-24(0-24)  24-36(0-36)  36-48(0-48)
CLIMO(%)     0      0(  0)       0(  0)       0(  0)     <-- PROB BASED ON INTENSITY ONLY
PROB(%)      0      0(  0)       0(  0)       0(  0)     <-- FULL MODEL PROB (RAN NORMALLY)
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Re: ATL: INVEST 94L - Models

#125 Postby Portastorm » Mon Aug 09, 2010 8:27 am

Disappointing model trend ... looks like my sprinklers will continue their workout later this week with no relief in sight. :(
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Re: ATL: INVEST 94L - Models

#126 Postby rockyman » Mon Aug 09, 2010 8:30 am

In the Gulf already
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#127 Postby Stormcenter » Mon Aug 09, 2010 8:46 am

Well doesn't this pretty much change everything timing and track wise?
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#128 Postby HouTXmetro » Mon Aug 09, 2010 8:48 am

with the low initializations well SW of where the models initiated yesterday I am surprised the potential landfall area has not changed. If anything it's further east.
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Re:

#129 Postby wxman57 » Mon Aug 09, 2010 8:49 am

Stormcenter wrote:Well doesn't this pretty much change everything timing and track wise?


Nope. Steering currents are still the same, timing is about the same. Development chances about the same (20-30%). Probably just some rain for the mid Gulf Coast late Wed and Thu.
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Re: Re:

#130 Postby Stormcenter » Mon Aug 09, 2010 8:51 am

Wxman57 does this still have the potential to become a named
system?

wxman57 wrote:
Stormcenter wrote:Well doesn't this pretty much change everything timing and track wise?


Nope. Steering currents are still the same, timing is about the same. Development chances about the same (20-30%). Probably just some rain for the mid Gulf Coast late Wed and Thu.
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Re: Re:

#131 Postby TeamPlayersBlue » Mon Aug 09, 2010 9:09 am

wxman57 wrote:
Stormcenter wrote:Well doesn't this pretty much change everything timing and track wise?


Nope. Steering currents are still the same, timing is about the same. Development chances about the same (20-30%). Probably just some rain for the mid Gulf Coast late Wed and Thu.


What are the steering currents? Is the ridge still in place in the Arkansas or Tennessee region? Normally, someone posts a picture of the steering currents
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Re: ATL: INVEST 94L - Models

#132 Postby Wx_Warrior » Mon Aug 09, 2010 10:58 am

gfs 12z 48H

Image
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Re: ATL: INVEST 94L - Models

#133 Postby DTWright » Mon Aug 09, 2010 11:02 am

What does the strength of that system look like?
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Re: ATL: INVEST 94L - Models

#134 Postby petit_bois » Mon Aug 09, 2010 11:08 am

DTWright wrote:What does the strength of that system look like?


very weak at most
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Re: ATL: INVEST 94L - Models

#135 Postby Wx_Warrior » Mon Aug 09, 2010 11:09 am

GFS loses it then reappears

72h

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Re: ATL: INVEST 94L - Models

#136 Postby ronjon » Mon Aug 09, 2010 11:37 am

12Z Nam at 84 hrs:

Image
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Re: ATL: INVEST 94L - Models

#137 Postby StormClouds63 » Mon Aug 09, 2010 11:40 am

At this point, perhaps a rain-maker, and not much else. Humberto and Edouard scenario unlikely?
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Re: ATL: INVEST 94L - Models

#138 Postby Dean4Storms » Mon Aug 09, 2010 11:42 am

StormClouds63 wrote:At this point, perhaps a rain-maker, and not much else. Humberto and Edouard scenario unlikely?


Really hard to say for sure on intensity, the models are not so keen on getting that right.
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Re: ATL: INVEST 94L - Models

#139 Postby DTWright » Mon Aug 09, 2010 11:48 am

ronjon wrote:12Z Nam at 84 hrs:

Image



Now that's a serious system there!
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#140 Postby Aric Dunn » Mon Aug 09, 2010 12:18 pm

So far this is the best model.. very conservative and develops a low near Key west which is nearly where it should as the trough drops a little farther south :)

http://www.srh.noaa.gov/mlb/wrf/cz.html
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