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
TORNADO WATCH NUMBER 98
NWS STORM PREDICTION CENTER NORMAN OK
130 PM CDT THU APR 11 2013
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
SOUTHWEST AND SOUTH CENTRAL ALABAMA
THE WESTERN FLORIDA PANHANDLE
COASTAL WATERS
EFFECTIVE THIS THURSDAY AFTERNOON AND EVENING FROM 130 PM UNTIL
800 PM CDT.
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 70 STATUTE
MILES EAST AND WEST OF A LINE FROM 50 MILES NORTH OF EVERGREEN
ALABAMA TO 35 MILES SOUTH SOUTHEAST OF MOBILE ALABAMA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
UPDATE (WOUS64 KWNS WOU8).
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 95...WW 96...WW 97...
DISCUSSION...A LINE OF SEVERE STORMS ALONG THE COLD FRONT IN SRN MS
WILL MOVE EWD INTO SW AL BY ABOUT 20Z...WHILE OTHER PRE-FRONTAL
SHOWERS OVER S CENTRAL AL POTENTIALLY DEVELOP INTO THUNDERSTORMS.
VERTICAL SHEAR AND INSTABILITY ARE FAVORABLE FOR MAINTENANCE OF THE
LINE OF STORMS...AS WELL AS PRE-FRONTAL SUPERCELL DEVELOPMENT. A
FEW TORNADOES...DAMAGING WINDS...AND ISOLATED LARGE HAIL ARE ALL
POSSIBLE THROUGH THE AFTERNOON.
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 25035.
...THOMPSON
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW8
WW 98 TORNADO AL FL CW 111830Z - 120100Z
AXIS..70 STATUTE MILES EAST AND WEST OF LINE..
50N GZH/EVERGREEN AL/ - 35SSE MOB/MOBILE AL/
..AVIATION COORDS.. 60NM E/W /37W MGM - 36SSE SJI/
HAIL SURFACE AND ALOFT..1.5 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 500. MEAN STORM MOTION VECTOR 25035.
LAT...LON 32138583 30208684 30208919 32138823
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU8.
Watch 98 Status Report Messages:
STATUS REPORT #5 ON WW 98
VALID 120035Z - 120140Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 20 SSW PNS
TO 10 SSW MGM.
BEFORE SCHEDULED 01Z EXPIRATION...WW MAY BE EXTENDED IN TIME FOR
ERN AREAS OF WW ALONG/AHEAD OF MAIN CONVECTIVE BAND.
..EDWARDS..04/12/13
ATTN...WFO...MOB...
&&
STATUS REPORT FOR WT 98
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ALC013-039-041-053-120140-
AL
. ALABAMA COUNTIES INCLUDED ARE
BUTLER COVINGTON CRENSHAW
ESCAMBIA
$$
FLC091-113-120140-
FL
. FLORIDA COUNTIES INCLUDED ARE
OKALOOSA SANTA ROSA
$$
GMZ634-650-655-120140-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
PENSACOLA BAY AREA
COASTAL WATERS FROM PENSACOLA FL TO PASCAGOULA MS OUT 20 NM
COASTAL WATERS FROM DESTIN TO PENSACOLA 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 #4 ON WW 98
VALID 112333Z - 120040Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 40 SE MOB TO
25 WNW GZH TO 10 S SEM.
FOR ADDITIONAL INFORMATION SEE SPC MESOSCALE DISCUSSION 450.
..EDWARDS..04/11/13
ATTN...WFO...MOB...
&&
STATUS REPORT FOR WT 98
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ALC003-013-035-039-041-053-099-131-120040-
AL
. ALABAMA COUNTIES INCLUDED ARE
BALDWIN BUTLER CONECUH
COVINGTON CRENSHAW ESCAMBIA
MONROE WILCOX
$$
FLC033-091-113-120040-
FL
. FLORIDA COUNTIES INCLUDED ARE
ESCAMBIA OKALOOSA SANTA ROSA
$$
GMZ631-633-634-650-655-120040-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
SOUTH MOBILE BAY
PERDIDO BAY AREA
PENSACOLA BAY AREA
COASTAL WATERS FROM PENSACOLA FL TO PASCAGOULA MS OUT 20 NM
COASTAL WATERS FROM DESTIN TO PENSACOLA 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 #3 ON WW 98
VALID 112234Z - 112340Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 35 ESE GPT
TO 50 W GZH TO 30 WSW SEM.
FOR ADDITIONAL INFORMATION SEE SPC MESOSCALE DISCUSSION 450.
..EDWARDS..04/11/13
ATTN...WFO...MOB...
&&
STATUS REPORT FOR WT 98
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ALC003-013-025-035-039-041-053-097-099-131-112340-
AL
. ALABAMA COUNTIES INCLUDED ARE
BALDWIN BUTLER CLARKE
CONECUH COVINGTON CRENSHAW
ESCAMBIA MOBILE MONROE
WILCOX
$$
FLC033-091-113-112340-
FL
. FLORIDA COUNTIES INCLUDED ARE
ESCAMBIA OKALOOSA SANTA ROSA
$$
GMZ630-631-632-633-634-650-655-112340-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
NORTH MOBILE BAY
SOUTH MOBILE BAY
MISSISSIPPI SOUND
PERDIDO BAY AREA
PENSACOLA BAY AREA
COASTAL WATERS FROM PENSACOLA FL TO PASCAGOULA MS OUT 20 NM
COASTAL WATERS FROM DESTIN TO PENSACOLA 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 98
VALID 112123Z - 112240Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 25 ESE GPT
TO 25 NW MOB TO 50 WSW SEM.
..EDWARDS..04/11/13
ATTN...WFO...MOB...
&&
STATUS REPORT FOR WT 98
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ALC003-013-025-035-039-041-053-097-099-129-131-112240-
AL
. ALABAMA COUNTIES INCLUDED ARE
BALDWIN BUTLER CLARKE
CONECUH COVINGTON CRENSHAW
ESCAMBIA MOBILE MONROE
WASHINGTON WILCOX
$$
FLC033-091-113-112240-
FL
. FLORIDA COUNTIES INCLUDED ARE
ESCAMBIA OKALOOSA SANTA ROSA
$$
GMZ630-631-632-633-634-650-655-112240-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
NORTH MOBILE BAY
SOUTH MOBILE BAY
MISSISSIPPI SOUND
PERDIDO BAY AREA
PENSACOLA BAY AREA
COASTAL WATERS FROM PENSACOLA FL TO PASCAGOULA MS OUT 20 NM
COASTAL WATERS FROM DESTIN TO PENSACOLA 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 98
VALID 112040Z - 112140Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..MOSIER..04/11/13
ATTN...WFO...MOB...
&&
STATUS REPORT FOR WT 98
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ALC003-013-023-025-035-039-041-053-097-099-129-131-112140-
AL
. ALABAMA COUNTIES INCLUDED ARE
BALDWIN BUTLER CHOCTAW
CLARKE CONECUH COVINGTON
CRENSHAW ESCAMBIA MOBILE
MONROE WASHINGTON WILCOX
$$
FLC033-091-113-112140-
FL
. FLORIDA COUNTIES INCLUDED ARE
ESCAMBIA OKALOOSA SANTA ROSA
$$
GMZ630-631-632-633-634-650-655-112140-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
NORTH MOBILE BAY
SOUTH MOBILE BAY
MISSISSIPPI SOUND
PERDIDO BAY AREA
PENSACOLA BAY AREA
COASTAL WATERS FROM PENSACOLA FL TO PASCAGOULA MS OUT 20 NM
COASTAL WATERS FROM DESTIN TO PENSACOLA 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 (50%)
|
Probability of 1 or more strong (F2-F5) tornadoes
|
Low (20%)
|
Wind
Probability of 10 or more severe wind events
|
Mod (60%)
|
Probability of 1 or more wind events > 65 knots
|
Mod (30%)
|
Hail
Probability of 10 or more severe hail events
|
Mod (40%)
|
Probability
of 1 or
more hailstones > 2 inches
|
Mod (30%)
|
Combined Severe Hail/Wind
Probability of 6 or more combined severe hail/wind events
|
High (>95%)
|
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.