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.
SEL9
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 149
NWS STORM PREDICTION CENTER NORMAN OK
1010 AM EDT MON APR 13 2009
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
SOUTHEAST ALABAMA
FLORIDA PANHANDLE
SOUTHWEST GEORGIA
COASTAL WATERS
EFFECTIVE THIS MONDAY MORNING AND AFTERNOON FROM 1010 AM UNTIL
500 PM EDT.
TORNADOES...HAIL TO 1.5 INCHES IN DIAMETER...THUNDERSTORM WIND
GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE
AREAS.
THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 45 STATUTE
MILES NORTH AND SOUTH OF A LINE FROM 5 MILES NORTHWEST OF
PENSACOLA FLORIDA TO 20 MILES NORTH NORTHEAST OF VALDOSTA
GEORGIA. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU9).
REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
TORNADOES AND 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.
OTHER WATCH INFORMATION...THIS TORNADO WATCH REPLACES TORNADO
WATCH NUMBER 148. WATCH NUMBER 148 WILL NOT BE IN EFFECT AFTER
1010 AM EDT.
DISCUSSION...LINEAR MCS WILL PERSIST ACROSS THE REGION TODAY WITHIN
BAND OF STRONG WSWLY FLOW ALOFT AHEAD OF EJECTING SHORTWAVE TROUGH.
MODEST SURFACE HEATING AND CONTINUED MOISTENING AT THE SURFACE IS
EXPECTED TO SUPPORT MARGINAL TO MODERATE SURFACE-BASED INSTABILITY
BY THE LATE MORNING/EARLY AFTERNOON. GIVEN DEGREE OF SHEAR...THIS
SHOULD SUPPORT A CONTINUED THREAT OF ISOLATED SEVERE
THUNDERSTORMS...INCLUDING TORNADO POTENTIAL. VERY HEAVY RAINFALL
WILL ALSO ACCOMPANY THESE STORMS.
AVIATION...TORNADOES AND 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
500. MEAN STORM MOTION VECTOR 26030.
...EVANS
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW9
WW 149 TORNADO AL FL GA CW 131410Z - 132100Z
AXIS..45 STATUTE MILES NORTH AND SOUTH OF LINE..
5NW PNS/PENSACOLA FL/ - 20NNE VLD/VALDOSTA GA/
..AVIATION COORDS.. 40NM N/S /34WSW CEW - 44SW AMG/
HAIL SURFACE AND ALOFT..1.5 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 500. MEAN STORM MOTION VECTOR 26030.
REPLACES WW 148..AL FL GA MS CW
LAT...LON 31178723 31708315 30398315 29878723
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU9.
Watch 149 Status Report Messages:
STATUS REPORT #2 ON WW 149
VALID 131940Z - 132040Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 40 S PNS TO
30 ESE CEW TO 15 N MAI TO 15 W ABY.
..BROYLES..04/13/09
ATTN...WFO...TAE...MOB...
&&
STATUS REPORT FOR WT 149
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
FLC005-013-029-037-039-045-063-065-067-073-077-079-123-129-133-
132040-
FL
. FLORIDA COUNTIES INCLUDED ARE
BAY CALHOUN DIXIE
FRANKLIN GADSDEN GULF
JACKSON JEFFERSON LAFAYETTE
LEON LIBERTY MADISON
TAYLOR WAKULLA WASHINGTON
$$
GAC007-017-019-027-071-075-087-095-131-155-173-185-201-205-253-
275-277-287-321-132040-
GA
. GEORGIA COUNTIES INCLUDED ARE
BAKER BEN HILL BERRIEN
BROOKS COLQUITT COOK
DECATUR DOUGHERTY GRADY
IRWIN LANIER LOWNDES
MILLER MITCHELL SEMINOLE
THOMAS TIFT TURNER
WORTH
$$
GMZ730-750-755-765-132040-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
APALACHEE BAY OR COASTAL WATERS FROM KEATON BEACH TO OCHLOCKONEE
RIVER FL OUT TO 20 NM
COASTAL WATERS FROM APALACHICOLA TO DESTIN FL OUT 20 NM
COASTAL WATERS FROM OCHLOCKONEE RIVER TO APALACHICOLA FL OUT TO
20 NM
COASTAL WATERS FROM SUWANNEE RIVER TO KEATON BEACH OUT 20 NM
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #1 ON WW 149
VALID 131845Z - 131940Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 15 SSW PNS
TO 25 W MAI TO 25 W ABY.
..BROYLES..04/13/09
ATTN...WFO...TAE...MOB...
&&
STATUS REPORT FOR WT 149
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
FLC005-013-029-037-039-045-063-065-067-073-077-079-123-129-133-
131940-
FL
. FLORIDA COUNTIES INCLUDED ARE
BAY CALHOUN DIXIE
FRANKLIN GADSDEN GULF
JACKSON JEFFERSON LAFAYETTE
LEON LIBERTY MADISON
TAYLOR WAKULLA WASHINGTON
$$
GAC007-017-019-027-071-075-087-095-099-131-155-173-177-185-201-
205-253-273-275-277-287-321-131940-
GA
. GEORGIA COUNTIES INCLUDED ARE
BAKER BEN HILL BERRIEN
BROOKS COLQUITT COOK
DECATUR DOUGHERTY EARLY
GRADY IRWIN LANIER
LEE LOWNDES MILLER
MITCHELL SEMINOLE TERRELL
THOMAS TIFT TURNER
WORTH
$$
GMZ655-730-750-755-765-131940-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
COASTAL WATERS FROM DESTIN TO PENSACOLA FL OUT 20 NM
APALACHEE BAY OR COASTAL WATERS FROM KEATON BEACH TO OCHLOCKONEE
RIVER FL OUT TO 20 NM
COASTAL WATERS FROM APALACHICOLA TO DESTIN FL OUT 20 NM
COASTAL WATERS FROM OCHLOCKONEE RIVER TO APALACHICOLA FL OUT TO
20 NM
COASTAL WATERS FROM SUWANNEE RIVER TO KEATON BEACH OUT 20 NM
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
Note:
Click for Complete Product Text.
Tornadoes
Probability of 2 or more tornadoes
|
Mod (40%)
|
Probability of 1 or more strong (F2-F5) tornadoes
|
Low (20%)
|
Wind
Probability of 10 or more severe wind events
|
Mod (30%)
|
Probability of 1 or more wind events > 65 knots
|
Low (10%)
|
Hail
Probability of 10 or more severe hail events
|
Mod (40%)
|
Probability
of 1 or
more hailstones > 2 inches
|
Low (10%)
|
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 
