Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Note: Click for
Watch Status Reports.
SEL8
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 638
NWS Storm Prediction Center Norman OK
710 PM EDT Sun Aug 18 2024
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Southern Alabama
Florida Panhandle
Southern Georgia
Coastal Waters
* Effective this Sunday night and Monday morning from 710 PM
until 200 AM EDT.
* Primary threats include...
Scattered damaging wind gusts to 65 mph possible
SUMMARY...Clusters of storms capable of wind damage and possibly
some hail will continue south-southeastward across the region this
evening within a hot/moist environment.
The severe thunderstorm watch area is approximately along and 55
statute miles north and south of a line from 50 miles northwest of
Pensacola FL to 30 miles east southeast of Vidalia GA. For a
complete depiction of the watch see the associated watch outline
update (WOUS64 KWNS WOU8).
PRECAUTIONARY/PREPAREDNESS ACTIONS...
REMEMBER...A Severe Thunderstorm Watch means conditions are
favorable for severe thunderstorms in and close to the watch area.
Persons in these areas should be on the lookout for threatening
weather conditions and listen for later statements and possible
warnings. Severe thunderstorms can and occasionally do produce
tornadoes.
&&
OTHER WATCH INFORMATION...CONTINUE...WW 634...WW 635...WW
636...WW 637...
AVIATION...A few severe thunderstorms with hail surface and aloft to
1 inch. Extreme turbulence and surface wind gusts to 55 knots. A few
cumulonimbi with maximum tops to 550. Mean storm motion vector
31025.
...Guyer
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW8
WW 638 SEVERE TSTM AL FL GA CW 182310Z - 190600Z
AXIS..55 STATUTE MILES NORTH AND SOUTH OF LINE..
50NW PNS/PENSACOLA FL/ - 30ESE VDI/VIDALIA GA/
..AVIATION COORDS.. 50NM N/S /34ENE SJI - 41WSW SAV/
HAIL SURFACE AND ALOFT..1 INCH. WIND GUSTS..55 KNOTS.
MAX TOPS TO 550. MEAN STORM MOTION VECTOR 31025.
LAT...LON 31788778 32828190 31238190 30188778
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU8.
Watch 638 Status Report Messages:
STATUS REPORT #2 ON WW 638
VALID 190135Z - 190240Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 60 WNW GZH
TO 25 ENE GZH TO 15 SSE TOI TO 25 N DHN TO 30 ENE DHN TO 20 SW
ABY TO 20 E ABY TO 55 WSW VDI TO 20 WNW VDI TO 20 NE VDI TO 25
WNW SAV.
..WENDT..08/19/24
ATTN...WFO...MOB...TAE...JAX...CHS...FFC...
&&
STATUS REPORT FOR WS 638
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ALC031-035-039-045-053-061-067-069-099-190240-
AL
. ALABAMA COUNTIES INCLUDED ARE
COFFEE CONECUH COVINGTON
DALE ESCAMBIA GENEVA
HENRY HOUSTON MONROE
$$
FLC005-013-033-039-059-063-091-113-131-133-190240-
FL
. FLORIDA COUNTIES INCLUDED ARE
BAY CALHOUN ESCAMBIA
GADSDEN HOLMES JACKSON
OKALOOSA SANTA ROSA WALTON
WASHINGTON
$$
GAC001-003-005-007-017-019-027-069-071-075-087-099-109-131-155-
161-173-185-201-205-209-253-267-271-275-277-279-309-321-
190240-
GA
. GEORGIA COUNTIES INCLUDED ARE
APPLING ATKINSON BACON
BAKER BEN HILL BERRIEN
BROOKS COFFEE COLQUITT
COOK DECATUR EARLY
EVANS GRADY IRWIN
JEFF DAVIS LANIER LOWNDES
MILLER MITCHELL MONTGOMERY
SEMINOLE TATTNALL TELFAIR
THOMAS TIFT TOOMBS
WHEELER WORTH
$$
GMZ634-635-636-190240-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
PENSACOLA BAY AREA INCLUDING SANTA ROSA SOUND
WESTERN CHOCTAWHATCHEE BAY
EASTERN CHOCTAWHATCHEE BAY
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #1 ON WW 638
VALID 190040Z - 190140Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 1952
..WENDT..08/19/24
ATTN...WFO...MOB...TAE...JAX...CHS...FFC...
&&
STATUS REPORT FOR WS 638
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ALC013-025-031-035-039-041-045-053-061-067-069-099-131-190140-
AL
. ALABAMA COUNTIES INCLUDED ARE
BUTLER CLARKE COFFEE
CONECUH COVINGTON CRENSHAW
DALE ESCAMBIA GENEVA
HENRY HOUSTON MONROE
WILCOX
$$
FLC005-013-033-039-059-063-091-113-131-133-190140-
FL
. FLORIDA COUNTIES INCLUDED ARE
BAY CALHOUN ESCAMBIA
GADSDEN HOLMES JACKSON
OKALOOSA SANTA ROSA WALTON
WASHINGTON
$$
GAC001-003-005-007-017-019-027-031-037-043-061-069-071-075-087-
095-099-107-109-131-155-161-165-173-177-185-201-205-209-239-243-
253-267-271-273-275-277-279-283-287-309-321-190140-
GA
. GEORGIA COUNTIES INCLUDED ARE
APPLING ATKINSON BACON
BAKER BEN HILL BERRIEN
BROOKS BULLOCH CALHOUN
CANDLER CLAY COFFEE
COLQUITT COOK DECATUR
DOUGHERTY EARLY EMANUEL
EVANS GRADY IRWIN
JEFF DAVIS JENKINS LANIER
LEE LOWNDES MILLER
MITCHELL MONTGOMERY QUITMAN
RANDOLPH SEMINOLE TATTNALL
TELFAIR TERRELL THOMAS
TIFT TOOMBS TREUTLEN
TURNER WHEELER WORTH
$$
GMZ634-635-636-190140-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
PENSACOLA BAY AREA INCLUDING SANTA ROSA SOUND
WESTERN CHOCTAWHATCHEE BAY
EASTERN CHOCTAWHATCHEE BAY
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
Note:
Click for Complete Product Text.
Tornadoes
Probability of 2 or more tornadoes
|
Low (<5%)
|
Probability of 1 or more strong (EF2-EF5) tornadoes
|
Low (<2%)
|
Wind
Probability of 10 or more severe wind events
|
Mod (40%)
|
Probability of 1 or more wind events > 65 knots
|
Low (20%)
|
Hail
Probability of 10 or more severe hail events
|
Low (10%)
|
Probability of 1 or more hailstones > 2 inches
|
Low (<5%)
|
Combined Severe Hail/Wind
Probability of 6 or more combined severe hail/wind events
|
High (70%)
|
For each watch, probabilities for particular events inside the watch
(listed above in each table) are determined by the issuing forecaster.
The "Low" category contains probability values ranging from less than 2%
to 20% (EF2-EF5 tornadoes), less than 5% to 20% (all other probabilities),
"Moderate" from 30% to 60%, and "High" from 70% to greater than 95%.
High values are bolded and lighter in color to provide awareness of
an increased threat for a particular event.
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