Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Note: Click for
Watch Status Reports.
SEL0
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 20
NWS STORM PREDICTION CENTER NORMAN OK
910 AM CST TUE FEB 13 2007
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
SOUTHEAST ALABAMA
THE FLORIDA PANHANDLE
SOUTHWEST GEORGIA
COASTAL WATERS
EFFECTIVE THIS TUESDAY MORNING AND AFTERNOON FROM 910 AM UNTIL
400 PM CST.
TORNADOES...HAIL TO 1 INCH IN DIAMETER...THUNDERSTORM WIND GUSTS
TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.
THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 55 STATUTE
MILES NORTH AND SOUTH OF A LINE FROM 45 MILES NORTHWEST OF PANAMA
CITY FLORIDA TO 20 MILES NORTH OF CROSS CITY FLORIDA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
UPDATE (WOUS64 KWNS WOU0).
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...CONTINUE...WW 19...
DISCUSSION...SMALL...ISOLATED STORMS ARE FORMING ATTM IN WARM
ADVECTION ZONE AHEAD OF MAIN CONVECTIVE LINE NOW APPROACHING THE WRN
END OF THE FL PANHANDLE. SFC DEWPOINTS SHOULD CONTINUE TO SLOWLY
INCREASE IN WW AREA...WITH VALUES REACHING THE LOW 60S IN THE
PANHANDLE EARLY THIS AFTERNOON. CONTINUED EWD ADVANCE OF CNTRL GULF
UPR LEVEL JET EXIT REGION/DIFFLUENCE ZONE...COUPLED WITH INCREASING
MOISTURE AND MODEST SFC HEATING...SHOULD CREATE SETUP SUPPORTIVE OF
ADDITIONAL STORMS THROUGH THE DAY. LOW LEVEL VEERING PROFILES WILL
BE PRESENT TO ENHANCE LOW LEVEL UPDRAFT ROTATION AND THE THREAT FOR
ISOLATED TORNADOES.
AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 1 INCH. EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 450.
MEAN STORM MOTION VECTOR 24035.
...CORFIDI
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW0
WW 20 TORNADO AL FL GA CW 131510Z - 132200Z
AXIS..55 STATUTE MILES NORTH AND SOUTH OF LINE..
45NW PFN/PANAMA CITY FL/ - 20N CTY/CROSS CITY FL/
..AVIATION COORDS.. 50NM N/S /26ESE CEW - 19N CTY/
HAIL SURFACE AND ALOFT..1 INCH. WIND GUSTS..60 KNOTS.
MAX TOPS TO 450. MEAN STORM MOTION VECTOR 24035.
LAT...LON 31478622 30718309 29128309 29878622
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU0.
Watch 20 Status Report Messages:
STATUS REPORT #3 ON WW 20
VALID 131940Z - 132040Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 30 W PFN TO
20 SSW MAI TO 40 SSW ABY.
..SPC..02/13/07
ATTN...WFO...TAE...
&&
STATUS REPORT FOR WT 20
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
FLC005-013-029-037-039-045-065-067-073-077-079-123-129-132040-
FL
. FLORIDA COUNTIES INCLUDED ARE
BAY CALHOUN DIXIE
FRANKLIN GADSDEN GULF
JEFFERSON LAFAYETTE LEON
LIBERTY MADISON TAYLOR
WAKULLA
$$
GAC027-087-131-185-275-132040-
GA
. GEORGIA COUNTIES INCLUDED ARE
BROOKS DECATUR GRADY
LOWNDES THOMAS
$$
GMZ750-755-132040-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
COASTAL WATERS FROM APALACHICOLA TO DESTIN FL OUT 20 NM
COASTAL WATERS FROM SUWANNEE RIVER TO APALACHICOLA FL 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 #2 ON WW 20
VALID 131835Z - 131940Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 30 SE CEW TO
25 ESE DHN.
..SPC..02/13/07
ATTN...WFO...TAE...
&&
STATUS REPORT FOR WT 20
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ALC069-131940-
AL
. ALABAMA COUNTIES INCLUDED ARE
HOUSTON
$$
FLC005-013-029-037-039-045-059-063-065-067-073-077-079-123-129-
131-133-131940-
FL
. FLORIDA COUNTIES INCLUDED ARE
BAY CALHOUN DIXIE
FRANKLIN GADSDEN GULF
HOLMES JACKSON JEFFERSON
LAFAYETTE LEON LIBERTY
MADISON TAYLOR WAKULLA
WALTON WASHINGTON
$$
GAC027-087-099-131-185-201-253-275-131940-
GA
. GEORGIA COUNTIES INCLUDED ARE
BROOKS DECATUR EARLY
GRADY LOWNDES MILLER
SEMINOLE THOMAS
$$
GMZ750-755-131940-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
COASTAL WATERS FROM APALACHICOLA TO DESTIN FL OUT 20 NM
COASTAL WATERS FROM SUWANNEE RIVER TO APALACHICOLA FL OUT 20 NM
$$
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.
$$
STATUS REPORT #1 ON WW 20
VALID 131635Z - 131740Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..SPC..02/13/07
ATTN...WFO...TAE...
&&
STATUS REPORT FOR WT 20
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ALC031-045-061-067-069-131740-
AL
. ALABAMA COUNTIES INCLUDED ARE
COFFEE DALE GENEVA
HENRY HOUSTON
$$
FLC005-013-029-037-039-045-059-063-065-067-073-077-079-123-129-
131-133-131740-
FL
. FLORIDA COUNTIES INCLUDED ARE
BAY CALHOUN DIXIE
FRANKLIN GADSDEN GULF
HOLMES JACKSON JEFFERSON
LAFAYETTE LEON LIBERTY
MADISON TAYLOR WAKULLA
WALTON WASHINGTON
$$
GAC027-087-099-131-185-201-253-275-131740-
GA
. GEORGIA COUNTIES INCLUDED ARE
BROOKS DECATUR EARLY
GRADY LOWNDES MILLER
SEMINOLE THOMAS
$$
GMZ750-755-131740-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
COASTAL WATERS FROM APALACHICOLA TO DESTIN FL OUT 20 NM
COASTAL WATERS FROM SUWANNEE RIVER TO APALACHICOLA FL 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
|
Low (20%)
|
Probability of 1 or more wind events > 65 knots
|
Low (<5%)
|
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% (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.