ATL: ISAAC - Recon

[Chris_in_Tampa]

Here comes NOAA for center pass...

[Chris_in_Tampa]

AF vortex from earlier pass:

URNT12 KNHC 280925
VORTEX DATA MESSAGE AL092012
A. 28/08:43:20Z
B. 27 deg 26 min N
087 deg 58 min W
C. 850 mb 1239 m
D. 50 kt
E. 045 deg 78 nm
F. 143 deg 71 kt
G. 046 deg 83 nm
H. 977 mb
I. 18 C / 1526 m
J. 21 C / 1525 m
K. 21 C / NA
L. OPEN SW
M. C32
N. 12345 / 08
O. 0.02 / 2 nm
P. AF309 2909A ISAAC OB 22
MAX FL WIND 78 KT E QUAD 07:52:00Z

Product: Air Force Vortex Message (URNT12 KNHC)
Transmitted: 28th day of the month at 09:25Z
Aircraft: Air Force Aircraft (Last 3 digits of the tail number are 309)
Storm Number & Year: 09L in 2012
Storm Name: Isaac (flight in the North Atlantic basin)
Mission Number: 29
Observation Number: 22
A. Time of Center Fix: 28th day of the month at 8:43:20Z
B. Center Fix Coordinates: 27°26'N 87°58'W (27.4333N 87.9667W)
B. Center Fix Location: 213 miles (342 km) to the SSW (192°) from Pensacola, FL, USA.
C. Minimum Height at Standard Level: 1,239m (4,065ft) at 850mb
D. Estimated (by SFMR or visually) Maximum Surface Wind: 50kts (~ 57.5mph)
E. Location of the Estimated Maximum Surface Wind: 78 nautical miles (90 statute miles) to the NE (45°) of center fix
F. Maximum Flight Level Wind Inbound: From 143° at 71kts (From the SE at ~ 81.7mph)
G. Location of Maximum Flight Level Wind Inbound: 83 nautical miles (96 statute miles) to the NE (46°) of center fix
H. Minimum Sea Level Pressure: 977mb (28.85 inHg)
I. Maximum Flight Level Temp & Pressure Altitude Outside Eye: 18°C (64°F) at a pressure alt. of 1,526m (5,007ft)
J. Maximum Flight Level Temp & Pressure Altitude Inside Eye: 21°C (70°F) at a pressure alt. of 1,525m (5,003ft)
K. Dewpoint Temp (collected at same location as temp inside eye): 21°C (70°F)
K. Sea Surface Temp (collected at same location as temp inside eye): Not Available
L. Eye Character: Open in the southwest
M. Eye Shape & Diameter: Circular with a diameter of 32 nautical miles (37 statute miles)
N. Fix Determined By: Penetration, Radar, Wind, Pressure and Temperature
N. Fix Levels (sfc and flt lvl centers are within 5nm of each other): Surface and 850mb
O. Navigation Fix Accuracy: 0.02 nautical miles
O. Meteorological Accuracy: 2 nautical miles
Remarks Section:
Maximum Flight Level Wind: 78kts (~ 89.8mph) in the east quadrant at 7:52:00Z

[Chris_in_Tampa]

UZNT13 KWBC 280915
XXAA 78098 99274 70863 08176 99999 28439 16042 00509 ///// /////
92680 22404 17055 85413 17611 18567 88999 77999
31313 09608 80908
61616 NOAA2 3009A ISAAC OB 03
62626 MBL WND 16552 AEV 07478 DLM WND 17561 998752 WL150 16548 08
4 REL 2742N08628W 090759 SPG 2748N08628W 091145 =
XXBB 78098 99274 70863 08176 00999 28439 11936 22804 22850 17611
33752 13844
21212 00999 16042 11975 16555 22956 17053 33933 17058 44924 17055
55899 17565 66850 18567 77752 18062
31313 09608 80908
61616 NOAA2 3009A ISAAC OB 03
62626 MBL WND 16552 AEV 07478 DLM WND 17561 998752 WL150 16548 08
4 REL 2742N08628W 090759 SPG 2748N08628W 091145 =



Level Wind Direction Wind Speed
999mb (Surface) 160° (from the SSE) 42 knots (48 mph)
975mb 165° (from the SSE) 55 knots (63 mph)
956mb 170° (from the S) 53 knots (61 mph)
933mb 170° (from the S) 58 knots (67 mph)
924mb 170° (from the S) 55 knots (63 mph)
899mb 175° (from the S) 65 knots (75 mph)
850mb 185° (from the S) 67 knots (77 mph)
752mb 180° (from the S) 62 knots (71 mph)

[Chris_in_Tampa]

URNT15 KWBC 280936
NOAA2 3009A ISAAC HDOB 12 20120828

092630 2724N 08736W 7527 02385 9873 +169 +158 196049 049 044 006 03
092700 2725N 08739W 7525 02384 9870 +168 +155 196047 049 038 004 00
092730 2725N 08741W 7524 02381 9863 +172 +149 198045 045 039 002 00
092800 2726N 08743W 7523 02378 9855 +174 +162 197043 045 040 004 00
092830 2726N 08745W 7526 02372 9854 +173 +156 201039 040 034 002 00
092900 2727N 08747W 7522 02374 9852 +173 +151 201034 036 031 002 00
092930 2727N 08749W 7524 02365 9845 +174 +152 199028 030 028 001 00
093000 2728N 08751W 7522 02361 9837 +174 +156 199023 025 025 000 00
093030 2729N 08754W 7524 02360 9834 +175 +160 197016 017 020 001 00
093100 2729N 08756W 7522 02359 9834 +174 +161 201011 012 019 000 00
093130 2730N 08758W 7521 02361 9831 +176 +156 223005 007 018 000 03
093200 2731N 08800W 7524 02356 9828 +181 +150 052006 008 017 000 03
093230 2731N 08802W 7523 02359 9830 +182 +140 047011 012 019 000 00
093300 2731N 08805W 7524 02360 9832 +179 +149 039013 014 021 001 00
093330 2731N 08807W 7525 02355 9829 +181 +151 038015 016 023 000 00
093400 2731N 08810W 7524 02357 9828 +182 +143 031012 013 025 001 00
093430 2731N 08812W 7524 02356 9833 +176 +147 020014 016 027 000 00
093500 2731N 08814W 7524 02357 9837 +170 +155 008018 019 030 003 00
093530 2731N 08817W 7515 02367 9841 +164 +161 009023 024 037 004 00
093600 2731N 08819W 7533 02348 9846 +162 /// 274027 028 039 013 01

Extrap Surface Pressure: 982.8 mb

[Chris_in_Tampa]

[Chris_in_Tampa]

NOAA Dropsonde: 62 knots (71 mph) at surface of 26 geo. feet (989mb level)
940mb level: 83 knots (96 mph)

UZNT13 KWBC 280930
XXAA 78098 99274 70872 08177 99989 25619 17062 00599 ///// /////
92586 22405 18077 85323 20218 18066 88999 77999
31313 09608 80920
61616 NOAA2 3009A ISAAC OB 04
62626 MBL WND 17078 AEV 07478 DLM WND 17570 988753 WL150 16574 08
3 REL 2741N08720W 092042 SPG 2748N08720W 092419 =
XXBB 78098 99274 70872 08177 00989 25619 11955 22807 22850 20218
33753 15019
21212 00989 17062 11981 16576 22940 17583 33893 18070 44850 18066
55753 18062
31313 09608 80920
61616 NOAA2 3009A ISAAC OB 04
62626 MBL WND 17078 AEV 07478 DLM WND 17570 988753 WL150 16574 08
3 REL 2741N08720W 092042 SPG 2748N08720W 092419 =

Link to sonde:
http://www.tropicalatlantic.com/recon/a ... -989-83-62

[Chris_in_Tampa]

URNT15 KWBC 280946
NOAA2 3009A ISAAC HDOB 13 20120828
093630 2731N 08821W 7513 02372 9853 +154 /// 298033 033 041 011 01
093700 2731N 08823W 7514 02376 9853 +159 +153 322034 035 039 008 00
093730 2731N 08826W 7520 02368 9854 +161 +139 252033 033 036 005 00
093800 2731N 08828W 7529 02360 9856 +161 +148 156034 034 040 008 00
093830 2731N 08830W 7513 02380 9859 +157 +155 357036 038 043 012 00
093900 2731N 08832W 7523 02370 9862 +158 +141 264037 037 039 006 00
093930 2731N 08834W 7525 02369 9864 +160 +132 061037 037 038 003 00
094000 2731N 08837W 7523 02373 9866 +158 +138 013038 039 037 002 00
094030 2731N 08839W 7517 02381 9868 +157 +129 084037 038 035 003 00
094100 2731N 08841W 7513 02385 9868 +159 +134 121037 038 035 002 00
094130 2731N 08843W 7530 02369 9872 +155 +139 002038 038 036 006 00
094200 2731N 08846W 7526 02373 9875 +154 +141 038039 039 037 005 00
094230 2731N 08848W 7522 02379 9877 +153 +142 004038 039 037 001 00
094300 2731N 08850W 7522 02382 9878 +152 +140 132039 039 036 001 00
094330 2731N 08852W 7523 02382 9877 +157 +137 001041 042 036 001 00
094400 2731N 08855W 7521 02385 9881 +153 +137 049040 040 038 001 00
094430 2731N 08857W 7521 02384 9881 +154 +142 298043 046 038 001 00
094500 2730N 08859W 7523 02385 9882 +154 +138 156040 041 038 002 00
094530 2731N 08901W 7521 02387 9886 +152 +139 002040 041 039 002 00
094600 2730N 08904W 7521 02391 9890 +150 /// 145041 045 044 015 01

[Chris_in_Tampa]

[Chris_in_Tampa]

@HRD_AOML_NOAA
#NOAA42 in the eye of #Isaac. Still too dark to see much.

[Chris_in_Tampa]

@HRD_AOML_NOAA
#NOAA42 just finished the first pass through #Isaac center. Radar shows southwest side has many narrow rainbands merging into SE eyewall.

[Chris_in_Tampa]

Next AF mission just took off from near Houston, TX. (9:46:30Z)

[Chris_in_Tampa]

URNT15 KWBC 280956
NOAA2 3009A ISAAC HDOB 14 20120828
094630 2730N 08906W 7537 02376 9893 +151 +147 322046 047 042 006 00
094700 2730N 08908W 7525 02394 9897 +151 +148 251046 048 042 007 00
094730 2730N 08910W 7515 02405 9902 +147 +143 298050 051 047 014 00
094800 2730N 08912W 7525 02395 9907 +141 /// 310053 056 051 027 01
094830 2730N 08915W 7527 02397 9904 +148 +144 098050 052 045 015 00
094900 2730N 08917W 7512 02413 9908 +145 +141 003046 047 043 005 00
094930 2730N 08919W 7516 02411 9909 +146 +144 109043 044 044 003 00
095000 2730N 08921W 7508 02420 9910 +148 +128 357044 044 044 001 00
095030 2731N 08924W 7542 02384 9913 +148 +135 263044 045 044 002 00
095100 2731N 08926W 7528 02401 9914 +147 +138 027043 044 045 007 00
095130 2731N 08928W 7515 02416 9907 +150 /// 052049 055 048 011 01
095200 2731N 08930W 7514 02413 9905 +150 /// 010055 056 048 013 01
095230 2731N 08933W 7515 02417 9916 +147 /// 008059 060 049 012 01
095300 2731N 08935W 7520 02416 9920 +143 /// 051057 059 050 011 01
095330 2731N 08937W 7487 02452 9919 +143 /// 168055 056 052 011 01
095400 2731N 08939W 7528 02409 9925 +143 /// 216053 054 049 019 01
095430 2731N 08942W 7495 02443 9926 +139 /// 340051 054 050 021 01
095500 2731N 08944W 7551 02387 9938 +135 /// 347042 043 047 010 01
095530 2731N 08946W 7532 02409 9934 +142 +137 350044 045 046 009 00
095600 2731N 08948W 7514 02429 9932 +145 +132 354043 043 044 007 00

High Values
Flight (30s): 59 knots
Flight (10s): 60 knots
SFMR Surface (10s): 52 knots

[Chris_in_Tampa]

[Chris_in_Tampa]

978mb (28.88 inHg), with 10 knots (12 mph) of wind at surface

UZNT13 KWBC 280945
XXAA 78108 99275 70880 08178 99978 28006 23510 00697 ///// /////
92497 24800 25010 85240 21607 26007 88999 77999
31313 09608 80931
61616 NOAA2 3009A ISAAC OB 06
62626 EYE MBL WND 25010 AEV 07478 DLM WND 26008 978752 WL150 2451
0 084 REL 2751N08799W 093146 SPG 2752N08799W 093523 =
XXBB 78108 99275 70880 08178 00978 28006 11850 21607 22752 18227
21212 00978 23510 11944 25511 22850 26007 33752 06502
31313 09608 80931
61616 NOAA2 3009A ISAAC OB 06
62626 EYE MBL WND 25010 AEV 07478 DLM WND 26008 978752 WL150 2451
0 084 REL 2751N08799W 093146 SPG 2752N08799W 093523 =

[Chris_in_Tampa]

@HRD_AOML_NOAA
#NOAA42 radar is indicating very heavy rain west and south of center of #Isaac with embedded heavy squalls. Looks to extend northwest.

[Chris_in_Tampa]

URNT15 KWBC 281006
NOAA2 3009A ISAAC HDOB 15 20120828

095630 2731N 08950W 7514 02432 9929 +150 +134 354041 042 044 004 00
095700 2731N 08952W 7515 02433 9929 +152 +125 357045 046 043 002 00
095730 2731N 08955W 7514 02435 9932 +151 +123 359046 047 043 002 00
095800 2731N 08957W 7514 02435 9937 +147 +126 356043 044 042 001 00
095830 2731N 08959W 7515 02435 9939 +146 +118 353044 045 043 000 03
095900 2729N 09000W 7513 02439 9944 +143 +116 353048 049 /// /// 03
095930 2726N 09000W 7513 02439 9943 +143 +118 351047 048 041 000 00
100000 2725N 08958W 7515 02440 9942 +146 +129 348048 049 041 002 00
100030 2723N 08956W 7512 02441 9942 +145 +130 348049 050 041 002 00
100100 2722N 08954W 7514 02441 9943 +144 +133 347050 051 042 001 00
100130 2720N 08952W 7514 02439 9941 +148 +119 345049 051 042 002 00
100200 2719N 08950W 7513 02441 9942 +147 +121 344047 047 043 001 00
100230 2717N 08948W 7514 02441 9939 +149 +125 343048 048 043 002 00
100300 2716N 08946W 7514 02439 9935 +154 +129 339046 047 045 005 00
100330 2714N 08944W 7512 02443 9939 +149 +137 338046 046 044 006 00
100400 2713N 08942W 7515 02441 9940 +147 +139 336046 047 046 007 00
100430 2712N 08940W 7513 02441 9940 +146 +139 335046 046 045 005 00
100500 2710N 08938W 7513 02441 9942 +143 +142 332045 046 045 006 00
100530 2709N 08935W 7512 02441 9940 +145 +142 333044 045 045 008 00
100600 2707N 08933W 7513 02439 9937 +148 +130 335045 045 046 007 00


[Chris_in_Tampa]

NOAA mission is around 750mb. AF mission was around 850mb.

[Chris_in_Tampa]

@HRD_AOML_NOAA
#NOAA42 sea surface temperature observations west of #Isaac are relatively warm, 28.5 to 30 deg Celcius.

[Chris_in_Tampa]

Next AF mission at top left.

[Chris_in_Tampa]

@HRD_AOML_NOAA
#NOAA42 is picking its way downwind in between numerous squalls in numerous rainbands to point 105 nm south of #Isaac center. Bumpy...