Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Note: Click for
Watch Status Reports.
SEL4
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 124
NWS STORM PREDICTION CENTER NORMAN OK
140 PM CDT WED APR 11 2007
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
CENTRAL AND NORTHERN ALABAMA
EAST CENTRAL MISSISSIPPI
EFFECTIVE THIS WEDNESDAY AFTERNOON AND EVENING FROM 140 PM UNTIL
800 PM CDT.
TORNADOES...HAIL TO 2 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 80 STATUTE
MILES EAST AND WEST OF A LINE FROM 25 MILES NORTH NORTHEAST OF
HUNTSVILLE ALABAMA TO 55 MILES EAST SOUTHEAST OF MERIDIAN
MISSISSIPPI. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU4).
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.
DISCUSSION...SKIES WILL CONTINUE TO CLEAR FROM WEST TO EAST ACROSS
WW THIS AFTERNOON AHEAD OF SURFACE COLD FRONT NOW MOVING INTO NWRN
AL/CENTRAL MS. THIS WILL ALLOW EXPANDING AREA OF MARGINAL TO
MODERATE INSTABILITY TO DEVELOP OVER THE REGION INTO THE EVENING.
LOW AND DEEP LAYER SHEAR WILL ALSO REMAIN QUITE STRONG. THIS WILL
INCREASE THE POTENTIAL FOR SUPERCELLS AND SMALL LINE SEGMENTS.
ALONG WITH LARGE HAIL AND DAMAGING WINDS...A FEW TORNADOES MAY ALSO
OCCUR WITH THE STRONGER STORMS.
AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
450. MEAN STORM MOTION VECTOR 26035.
...EVANS
SEL4
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 124
NWS STORM PREDICTION CENTER NORMAN OK
140 PM CDT WED APR 11 2007
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
CENTRAL AND NORTHERN ALABAMA
EAST CENTRAL MISSISSIPPI
EFFECTIVE THIS WEDNESDAY AFTERNOON AND EVENING FROM 140 PM UNTIL
800 PM CDT.
TORNADOES...HAIL TO 2 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 80 STATUTE
MILES EAST AND WEST OF A LINE FROM 25 MILES NORTH NORTHEAST OF
HUNTSVILLE ALABAMA TO 55 MILES EAST SOUTHEAST OF MERIDIAN
MISSISSIPPI. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU4).
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.
DISCUSSION...SKIES WILL CONTINUE TO CLEAR FROM WEST TO EAST ACROSS
WW THIS AFTERNOON AHEAD OF SURFACE COLD FRONT NOW MOVING INTO NWRN
AL/CENTRAL MS. THIS WILL ALLOW EXPANDING AREA OF MARGINAL TO
MODERATE INSTABILITY TO DEVELOP OVER THE REGION INTO THE EVENING.
LOW AND DEEP LAYER SHEAR WILL ALSO REMAIN QUITE STRONG. THIS WILL
INCREASE THE POTENTIAL FOR SUPERCELLS AND SMALL LINE SEGMENTS.
ALONG WITH LARGE HAIL AND DAMAGING WINDS...A FEW TORNADOES MAY ALSO
OCCUR WITH THE STRONGER STORMS.
AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
450. MEAN STORM MOTION VECTOR 26035.
...EVANS
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW4
WW 124 TORNADO AL MS 111840Z - 120100Z
AXIS..80 STATUTE MILES EAST AND WEST OF LINE..
25NNE HSV/HUNTSVILLE AL/ - 55ESE MEI/MERIDIAN MS/
..AVIATION COORDS.. 70NM E/W /46ENE MSL - 51ESE MEI/
HAIL SURFACE AND ALOFT..2 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 450. MEAN STORM MOTION VECTOR 26035.
LAT...LON 34978519 32028651 32028925 34978801
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU4.
Watch 124 Status Report Messages:
STATUS REPORT #5 ON WW 124
VALID 112335Z - 120040Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 20 SSW SEM
TO 10 S 0A8 TO 15 WNW RMG.
..MEAD..04/11/07
ATTN...WFO...BMX...HUN...JAN...
&&
STATUS REPORT FOR WT 124
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ALC001-021-037-047-051-085-101-117-121-120040-
AL
. ALABAMA COUNTIES INCLUDED ARE
AUTAUGA CHILTON COOSA
DALLAS ELMORE LOWNDES
MONTGOMERY SHELBY TALLADEGA
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #4 ON WW 124
VALID 112230Z - 112340Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 50 ESE MEI
TO 30 SSW TCL TO 5 WNW CHA.
..MEAD..04/11/07
ATTN...WFO...BMX...HUN...JAN...
&&
STATUS REPORT FOR WT 124
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ALC001-007-021-037-047-049-051-055-065-085-091-101-105-115-117-
121-112340-
AL
. ALABAMA COUNTIES INCLUDED ARE
AUTAUGA BIBB CHILTON
COOSA DALLAS DEKALB
ELMORE ETOWAH HALE
LOWNDES MARENGO MONTGOMERY
PERRY ST. CLAIR SHELBY
TALLADEGA
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #3 ON WW 124
VALID 112135Z - 112240Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 50 ESE MEI
TO 30 SW TCL TO 45 NE HSV.
..MEAD..04/11/07
ATTN...WFO...BMX...HUN...JAN...
&&
STATUS REPORT FOR WT 124
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ALC001-007-009-021-037-047-049-051-055-065-071-073-085-091-095-
101-105-115-117-121-125-112240-
AL
. ALABAMA COUNTIES INCLUDED ARE
AUTAUGA BIBB BLOUNT
CHILTON COOSA DALLAS
DEKALB ELMORE ETOWAH
HALE JACKSON JEFFERSON
LOWNDES MARENGO MARSHALL
MONTGOMERY PERRY ST. CLAIR
SHELBY TALLADEGA TUSCALOOSA
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #2 ON WW 124
VALID 112040Z - 112140Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 25 SE MEI TO
35 WSW TCL TO 45 NNW BHM TO 25 NNE HSV.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 458.
..PETERS..04/11/07
ATTN...WFO...BMX...HUN...JAN...
&&
STATUS REPORT FOR WT 124
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ALC001-007-009-021-037-043-047-049-051-055-063-065-071-073-085-
089-091-095-101-103-105-107-115-117-119-121-125-127-112140-
AL
. ALABAMA COUNTIES INCLUDED ARE
AUTAUGA BIBB BLOUNT
CHILTON COOSA CULLMAN
DALLAS DEKALB ELMORE
ETOWAH GREENE HALE
JACKSON JEFFERSON LOWNDES
MADISON MARENGO MARSHALL
MONTGOMERY MORGAN PERRY
PICKENS ST. CLAIR SHELBY
SUMTER TALLADEGA TUSCALOOSA
WALKER
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #1 ON WW 124
VALID 111940Z - 112040Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 25 SW CBM TO
35 ENE CBM TO 30 NW HSV.
..PETERS..04/11/07
ATTN...WFO...BMX...HUN...JAN...
&&
STATUS REPORT FOR WT 124
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ALC001-007-009-021-037-043-047-049-051-055-057-063-065-071-073-
075-079-083-085-089-091-095-101-103-105-107-115-117-119-121-125-
127-133-112040-
AL
. ALABAMA COUNTIES INCLUDED ARE
AUTAUGA BIBB BLOUNT
CHILTON COOSA CULLMAN
DALLAS DEKALB ELMORE
ETOWAH FAYETTE GREENE
HALE JACKSON JEFFERSON
LAMAR LAWRENCE LIMESTONE
LOWNDES MADISON MARENGO
MARSHALL MONTGOMERY MORGAN
PERRY PICKENS ST. CLAIR
SHELBY SUMTER TALLADEGA
TUSCALOOSA WALKER WINSTON
$$
MSC023-061-069-075-087-099-101-103-159-112040-
MS
. MISSISSIPPI COUNTIES INCLUDED ARE
CLARKE JASPER KEMPER
LAUDERDALE LOWNDES NESHOBA
NEWTON NOXUBEE WINSTON
$$
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
|
Mod (30%)
|
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 (40%)
|
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 (80%)
|
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 
@NWSSPC
