Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
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Watch Status Reports.
SEL8
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 28
NWS STORM PREDICTION CENTER NORMAN OK
1015 PM EST WED FEB 18 2009
THE NWS STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
SOUTHEAST ALABAMA
FLORIDA PANHANDLE
CENTRAL AND SOUTHWEST GEORGIA
CENTRAL SOUTH CAROLINA
EFFECTIVE THIS WEDNESDAY NIGHT AND THURSDAY MORNING FROM 1015 PM
UNTIL 500 AM EST.
HAIL TO 1.5 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70
MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.
THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 100
STATUTE MILES EAST AND WEST OF A LINE FROM 40 MILES NORTH OF
MACON GEORGIA TO 35 MILES SOUTH OF PANAMA CITY FLORIDA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
UPDATE (WOUS64 KWNS WOU8).
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 25...WW 26...WW 27...
DISCUSSION...STRONG/SEVERE THUNDERSTORMS CONTINUE TO AFFECT PARTS OF
AL/GA/FL...IN REGION OF STRONG LOW LEVEL SHEAR AND AT LEAST MARGINAL
INSTABILITY. OVERALL TRENDS HAVE DECREASED SOMEWHAT IN THE PAST
HOUR AS THE BOUNDARY LAYER DECOUPLES...SUGGESTING LARGE HAIL IS NOW
THE PRIMARY SEVERE THREAT. HOWEVER...AN ISOLATED TORNADO CANNOT BE
RULED OUT OVERNIGHT.
AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 450. MEAN STORM
MOTION VECTOR 27035.
...HART
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW8
WW 28 SEVERE TSTM AL FL GA SC 190315Z - 191000Z
AXIS..100 STATUTE MILES EAST AND WEST OF LINE..
40N MCN/MACON GA/ - 35S PFN/PANAMA CITY FL/
..AVIATION COORDS.. 85NM E/W /35N MCN - 85SE CEW/
HAIL SURFACE AND ALOFT..1.5 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 450. MEAN STORM MOTION VECTOR 27035.
LAT...LON 33278191 29708401 29708734 33278537
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU8.
Watch 28 Status Report Messages:
STATUS REPORT #2 ON WW 28
VALID 190840Z - 190940Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 55 SSE PNS
TO 45 ESE PNS TO 10 ENE CEW TO 25 NE MAI TO 20 E ABY TO 50 SSE
MCN TO 10 NNW VDI.
..PETERS..02/19/09
ATTN...WFO...TAE...FFC...CAE...
&&
STATUS REPORT FOR WS 28
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
GAC091-209-271-279-309-315-190940-
GA
. GEORGIA COUNTIES INCLUDED ARE
DODGE MONTGOMERY TELFAIR
TOOMBS WHEELER WILCOX
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #1 ON WW 28
VALID 190745Z - 190840Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 55 SSE PNS
TO 45 S CEW TO 20 NNE CEW TO 20 S TOI TO 40 NNE DHN TO 45 N ABY
TO 35 SE MCN TO 20 N VDI.
..PETERS..02/19/09
ATTN...WFO...TAE...FFC...CAE...
&&
STATUS REPORT FOR WS 28
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ALC045-061-067-069-190840-
AL
. ALABAMA COUNTIES INCLUDED ARE
DALE GENEVA HENRY
HOUSTON
$$
GAC061-081-091-093-209-235-243-261-271-279-283-309-315-190840-
GA
. GEORGIA COUNTIES INCLUDED ARE
CLAY CRISP DODGE
DOOLY MONTGOMERY PULASKI
RANDOLPH SUMTER TELFAIR
TOOMBS TREUTLEN WHEELER
WILCOX
$$
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 (20%)
|
Probability of 1 or more strong (F2-F5) tornadoes
|
Low (5%)
|
Wind
Probability of 10 or more severe wind events
|
Mod (30%)
|
Probability of 1 or more wind events > 65 knots
|
Mod (30%)
|
Hail
Probability of 10 or more severe hail events
|
Mod (30%)
|
Probability
of 1 or
more hailstones > 2 inches
|
Low (20%)
|
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% (F2-F5 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.
weather.gov 
