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Tropical TS Fred

NHC shifted the track eastward but still west of model consensus after 24 hours:

063
WTNT41 KNHC 152035
TCDAT1

Tropical Storm Fred Discussion Number 25
NWS National Hurricane Center Miami FL AL062021
400 PM CDT Sun Aug 15 2021

Satellite imagery indicates that Fred has become a little better
organized this afternoon. The low-level circulation has become
better defined, and there is a burst of central convection with
additional outer banding in the eastern semicircle. A ship near
the outer band north of the center reported 40-kt winds, so the
initial intensity is increased to 40 kt.

After the re-formation phase this morning, Fred appears to have
resumed a north-northwestward motion of 330/9. The track guidance
shows this motion continuing for another 12 h or so, followed by a
turn toward the north that would bring the center to the coast of
the Florida Panhandle in 24-36 h. A general north-northeastward
motion is likely after 36 h until the system dissipates. The track
guidance has shifted eastward again, this time due to the models
forecasting an earlier turn to the north and a more east-of-north
motion after landfall. The new NHC forecast track also is shifted
a little to the east, but after 24 h it lies a little to the west
of the various consensus models.

Upper-level southwesterly flow between a trough to the north and
northwest of Fred and an anticyclone to the southeast of the storm
should keep the tropical cyclone in moderate southwesterly
vertical shear until landfall. However, the intensity guidance
continues to forecast strengthening, and the GFS, HWRF, and HMON
show a stronger Fred at landfall than they did 6 h ago. Based on
that and the increased current intensity, the pre-landfall
intensities have been nudged upward. After landfall, Fred should
quickly weaken and dissipate as it moves into the Tennessee Valley
just after 60 h.

Users are reminded not to focus on the exact forecast track of
Fred, since rainfall, storm surge, and wind hazards will extend
over an area well east of the center.

KEY MESSAGES:

1. Today through Tuesday, heavy rainfall could lead to flash, urban,
small stream, and isolated river flooding impacts across portions of
southern Florida, the Big Bend and Panhandle of Florida, southeast
Alabama, portions of Georgia, and the western Carolinas. From
Tuesday onward, heavy rain and flood impacts could continue into
other portions of the Southeast and into the southern and central
Appalachians and Piedmont as Fred interacts with a front in the
area.

2. Dangerous storm surge inundation is possible along portions of
the coast of the Florida Panhandle and the Florida Big Bend region,
and a Storm Surge Warning is in effect for this area. Interests in
these areas should follow any advice given by local officials.

3. Tropical storm conditions are expected in the Tropical Storm
Warning area in the Florida Panhandle beginning on Monday.

FORECAST POSITIONS AND MAX WINDS

INIT 15/2100Z 26.8N 85.3W 40 KT 45 MPH
12H 16/0600Z 27.8N 86.0W 45 KT 50 MPH
24H 16/1800Z 29.5N 86.1W 50 KT 60 MPH
36H 17/0600Z 31.3N 86.0W 35 KT 40 MPH...INLAND
48H 17/1800Z 33.3N 85.5W 25 KT 30 MPH...INLAND
60H 18/0600Z 35.8N 84.3W 20 KT 25 MPH...POST-TROP/INLAND
72H 18/1800Z...DISSIPATED
 
You correct about that. My area got into one as Michael was making landfall on the panhandle and that was a full day before the center moved through here. We ended up getting over 4 inches of rain from that when there wasn’t but a 40 percent chance forecasted.

Speaking of PREs, we got into it today with off and on heavy rain and occasional heavy booming thunder during the day..
Picked up about 2" today but KCHS ended up getting walloped... .85" one hour, followed by 2.78" more next hour! Looks like they are close to 4" officially!
 
8a6f925f1e92dffc7658ba05c7b5179f.jpg



Rain gage ready for Fred think it will fill up?


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Pressure has been falling at this buoy SW of Fred all afternoon even as Fred has been pulling away. No doubt the storm is deepening.
 
998.9 per the recon.
990
URNT15 KNHC 152337
AF305 1406A FRED HDOB 12 20210815
232730 2704N 08543W 8428 01517 0012 +209 +154 323012 013 029 002 00
232800 2705N 08542W 8429 01511 0003 +214 +157 311005 011 024 001 00
232830 2707N 08541W 8441 01495 9989 +232 +152 030011 012 017 001 00
232900 2708N 08540W 8426 01506 9989 +227 +155 115011 014 /// /// 03
232930 2707N 08539W 8422 01515 9996 +223 +145 157015 018 038 001 00
233000 2706N 08537W 8437 01504 0006 +211 +154 167016 018 038 001 00
233030 2705N 08536W 8431 01516 0023 +189 +175 191018 020 036 002 00
233100 2704N 08535W 8433 01520 0031 +185 +176 187021 021 037 002 00
233130 2703N 08534W 8426 01531 0040 +181 +178 195021 022 035 000 01
233200 2702N 08533W 8431 01528 0042 +183 +173 189021 022 035 001 00
233230 2701N 08531W 8430 01531 0043 +184 +161 187022 023 030 002 00
233300 2659N 08530W 8428 01537 0048 +180 +162 185022 022 029 001 00
233330 2658N 08529W 8429 01537 0054 +176 +160 181023 024 029 001 00
233400 2657N 08528W 8429 01538 0055 +177 +155 188023 024 028 000 00
233430 2656N 08527W 8432 01539 0060 +175 +156 186024 024 027 001 00
233500 2655N 08525W 8428 01543 0061 +175 +158 190023 024 026 001 00
233530 2654N 08524W 8430 01542 0063 +174 +159 192023 024 023 001 00
233600 2653N 08523W 8432 01543 0062 +177 +157 191022 023 024 001 00
233630 2652N 08522W 8432 01543 0060 +180 +157 189021 022 023 001 00
233700 2651N 08521W 8429 01545 0061 +180 +161 190022 023 023 001 00
$$
;
998.9 mb per the recon.
 
Could we see a 60mph storm by 11? I’m thinking so


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I really do think the cap is a 75mph cane. But my goodness did anyone expect this to look like it has today? Could Fred have a few more surprises? still think the biggest story will be flooding rains but if I’m in Florida panhandle I’d be preparing like Fred a cat 2.


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325
URNT15 KNHC 160027
AF305 1406A FRED HDOB 17 20210816
001730 2634N 08413W 8432 01562 0092 +170 +151 168035 036 037 002 00
001800 2636N 08414W 8433 01561 0090 +170 +147 166034 036 038 001 03
001830 2638N 08415W 8427 01567 0092 +165 +158 165037 038 037 003 00
001900 2640N 08415W 8431 01564 0091 +168 +154 162038 039 034 004 00
001930 2642N 08415W 8428 01566 0100 +160 +159 159039 041 037 007 00
002000 2644N 08415W 8441 01555 0098 +164 +162 161039 042 038 006 00
002030 2645N 08415W 8428 01568 0099 +167 +165 159040 044 039 011 03
002100 2647N 08415W 8435 01561 0107 +168 +168 169043 046 043 016 03
002130 2650N 08415W 8427 01561 0102 +163 +163 171054 056 048 018 00
002200 2652N 08415W 8424 01564 0101 +162 +162 173058 062 047 020 00
002230 2654N 08415W 8442 01545 0105 +160 +160 162058 061 045 029 03
002300 2656N 08416W 8427 01566 0112 +156 +156 155053 058 044 031 00
002330 2658N 08416W 8431 01562 0117 +153 +153 152050 052 038 027 00
002400 2700N 08416W 8427 01571 0116 +157 +157 154049 049 039 021 00
002430 2702N 08416W 8428 01570 0118 +159 +159 150046 049 039 014 00
002500 2704N 08416W 8430 01567 0115 +162 +162 145041 045 036 007 00
002530 2706N 08416W 8430 01569 0110 +164 +164 145039 041 038 008 00
002600 2708N 08416W 8431 01570 0114 +163 +163 140037 038 034 009 00
002630 2710N 08416W 8430 01570 0115 +160 //// 143037 038 034 007 01
002700 2711N 08416W 8429 01573 0110 +158 //// 146038 038 034 005 01
$$
;
62 kt FL winds and 48 kt SFMR winds.
1629073888798.png rain saturated reading, likely a thunderstorm around the outer edges
 
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