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 140
NWS STORM PREDICTION CENTER NORMAN OK
735 AM CDT FRI APR 15 2011
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
WESTERN AND NORTHERN ALABAMA
CENTRAL AND EASTERN LOUISIANA
CENTRAL AND SOUTHERN MISSISSIPPI
EFFECTIVE THIS FRIDAY MORNING AND AFTERNOON FROM 735 AM UNTIL 300
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 95 STATUTE
MILES EAST AND WEST OF A LINE FROM 25 MILES NORTHEAST OF MUSCLE
SHOALS ALABAMA TO 45 MILES SOUTH OF NATCHEZ MISSISSIPPI. 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 139...
DISCUSSION...NE-SW MS/LA SQLN EXPECTED TO CONTINUE GENERALLY EWD
THROUGH EARLY AFTERNOON. SYSTEM MAY BREAK INTO MORE SEMI-DISCRETE
STORMS/LINE SEGMENTS...AND ADDITIONAL STORMS MAY FORM IN
CONFLUENT/MOISTENING LOW-LVL FLOW AHEAD OF LINE...AS SFC HEATING
FURTHER DESTABILIZES REGION. 12Z KJAN SOUNDING AND UPSTREAM WIND
PROFILES SUGGEST WW AREA WILL HAVE THERMODYNAMIC AND WIND
ENVIRONMENT SUPPORTIVE OF SUSTAINED SUPERCELLS AND LEWPS. THESE MAY
YIELD A COUPLE STRONG TORNADOES...IN ADDITION TO DMGG WIND AND HAIL.
STORMS IN NRN AL MAY REMAIN SLIGHTLY ELEVATED...BUT WILL STILL HAVE
THE POTENTIAL TO PRODUCE LOCALLY DMGG WIND AND PERHAPS ISOLD
TORNADOES.
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
550. MEAN STORM MOTION VECTOR 25040.
...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 140 TORNADO AL LA MS 151235Z - 152000Z
AXIS..95 STATUTE MILES EAST AND WEST OF LINE..
25NE MSL/MUSCLE SHOALS AL/ - 45S HEZ/NATCHEZ MS/
..AVIATION COORDS.. 85NM E/W /20NNE MSL - 29N BTR/
HAIL SURFACE AND ALOFT..2 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 550. MEAN STORM MOTION VECTOR 25040.
LAT...LON 34998562 30958969 30959290 34998898
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU0.
Watch 140 Status Report Messages:
STATUS REPORT #5 ON WW 140
VALID 151740Z - 151840Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 40 SSW GLH
TO 30 SSW TUP TO 30 SSE MSL TO 20 ESE HSV TO 35 W CHA.
..EDWARDS..04/15/11
ATTN...WFO...BMX...MOB...HUN...LCH...SHV...JAN...LIX...
&&
STATUS REPORT FOR WT 140
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ALC009-043-057-075-093-095-107-127-133-151840-
AL
. ALABAMA COUNTIES INCLUDED ARE
BLOUNT CULLMAN FAYETTE
LAMAR MARION MARSHALL
PICKENS WALKER WINSTON
$$
LAC025-029-035-041-065-083-107-151840-
LA
. LOUISIANA PARISHES INCLUDED ARE
CATAHOULA CONCORDIA EAST CARROLL
FRANKLIN MADISON RICHLAND
TENSAS
$$
MSC001-005-007-015-019-021-023-025-029-031-035-037-049-051-055-
061-063-065-067-069-073-075-077-079-085-087-089-091-097-099-101-
103-105-113-121-123-125-127-129-147-149-155-157-159-163-
151840-
MS
. MISSISSIPPI COUNTIES INCLUDED ARE
ADAMS AMITE ATTALA
CARROLL CHOCTAW CLAIBORNE
CLARKE CLAY COPIAH
COVINGTON FORREST FRANKLIN
HINDS HOLMES ISSAQUENA
JASPER JEFFERSON JEFFERSON DAVIS
JONES KEMPER LAMAR
LAUDERDALE LAWRENCE LEAKE
LINCOLN LOWNDES MADISON
MARION MONTGOMERY NESHOBA
NEWTON NOXUBEE OKTIBBEHA
PIKE RANKIN SCOTT
SHARKEY SIMPSON SMITH
WALTHALL WARREN WEBSTER
WILKINSON WINSTON YAZOO
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #4 ON WW 140
VALID 151640Z - 151740Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 40 S GLH TO
30 SSW TUP TO 30 SSE MSL TO 45 NE HSV.
FOR ADDITIONAL INFORMATION SEE SPC MESOSCALE DISCUSSION 436.
..EDWARDS..04/15/11
ATTN...WFO...BMX...MOB...HUN...LCH...SHV...JAN...LIX...
&&
STATUS REPORT FOR WT 140
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ALC009-043-057-075-089-093-095-103-107-127-133-151740-
AL
. ALABAMA COUNTIES INCLUDED ARE
BLOUNT CULLMAN FAYETTE
LAMAR MADISON MARION
MARSHALL MORGAN PICKENS
WALKER WINSTON
$$
LAC021-025-029-035-041-043-059-065-083-107-127-151740-
LA
. LOUISIANA PARISHES INCLUDED ARE
CALDWELL CATAHOULA CONCORDIA
EAST CARROLL FRANKLIN GRANT
LA SALLE MADISON RICHLAND
TENSAS WINN
$$
MSC001-005-007-015-019-021-023-025-029-031-035-037-049-051-055-
061-063-065-067-069-073-075-077-079-085-087-089-091-097-099-101-
103-105-113-121-123-125-127-129-147-149-155-157-159-163-
151740-
MS
. MISSISSIPPI COUNTIES INCLUDED ARE
ADAMS AMITE ATTALA
CARROLL CHOCTAW CLAIBORNE
CLARKE CLAY COPIAH
COVINGTON FORREST FRANKLIN
HINDS HOLMES ISSAQUENA
JASPER JEFFERSON JEFFERSON DAVIS
JONES KEMPER LAMAR
LAUDERDALE LAWRENCE LEAKE
LINCOLN LOWNDES MADISON
MARION MONTGOMERY NESHOBA
NEWTON NOXUBEE OKTIBBEHA
PIKE RANKIN SCOTT
SHARKEY SIMPSON SMITH
WALTHALL WARREN WEBSTER
WILKINSON WINSTON YAZOO
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #3 ON WW 140
VALID 151535Z - 151640Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 35 S GLH TO
30 SSW TUP TO 30 SSE MSL TO 30 NNW HSV.
FOR ADDITIONAL INFORMATION SEE SPC MESOSCALE DISCUSSION 436.
..EDWARDS..04/15/11
ATTN...WFO...BMX...MOB...HUN...LCH...SHV...JAN...LIX...
&&
STATUS REPORT FOR WT 140
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ALC009-023-025-043-057-063-065-073-075-079-083-089-091-093-095-
097-103-107-119-125-127-129-133-151640-
AL
. ALABAMA COUNTIES INCLUDED ARE
BLOUNT CHOCTAW CLARKE
CULLMAN FAYETTE GREENE
HALE JEFFERSON LAMAR
LAWRENCE LIMESTONE MADISON
MARENGO MARION MARSHALL
MOBILE MORGAN PICKENS
SUMTER TUSCALOOSA WALKER
WASHINGTON WINSTON
$$
LAC021-025-029-035-041-043-059-065-083-107-127-151640-
LA
. LOUISIANA PARISHES INCLUDED ARE
CALDWELL CATAHOULA CONCORDIA
EAST CARROLL FRANKLIN GRANT
LA SALLE MADISON RICHLAND
TENSAS WINN
$$
MSC001-005-007-015-019-021-023-025-029-031-035-037-039-041-049-
051-055-061-063-065-067-069-073-075-077-079-085-087-089-091-097-
099-101-103-105-111-113-121-123-125-127-129-131-147-149-153-155-
157-159-163-151640-
MS
. MISSISSIPPI COUNTIES INCLUDED ARE
ADAMS AMITE ATTALA
CARROLL CHOCTAW CLAIBORNE
CLARKE CLAY COPIAH
COVINGTON FORREST FRANKLIN
GEORGE GREENE HINDS
HOLMES ISSAQUENA JASPER
JEFFERSON JEFFERSON DAVIS JONES
KEMPER LAMAR LAUDERDALE
LAWRENCE LEAKE LINCOLN
LOWNDES MADISON MARION
MONTGOMERY NESHOBA NEWTON
NOXUBEE OKTIBBEHA PERRY
PIKE RANKIN SCOTT
SHARKEY SIMPSON SMITH
STONE WALTHALL WARREN
WAYNE WEBSTER WILKINSON
WINSTON YAZOO
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #2 ON WW 140
VALID 151435Z - 151540Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 35 S GLH TO
35 WNW CBM TO 35 SW MSL TO 25 NNE MSL.
..EDWARDS..04/15/11
ATTN...WFO...BMX...MOB...HUN...LCH...SHV...JAN...LIX...
&&
STATUS REPORT FOR WT 140
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ALC009-023-033-043-057-059-063-065-073-075-077-079-083-089-091-
093-095-103-107-119-125-127-133-151540-
AL
. ALABAMA COUNTIES INCLUDED ARE
BLOUNT CHOCTAW COLBERT
CULLMAN FAYETTE FRANKLIN
GREENE HALE JEFFERSON
LAMAR LAUDERDALE LAWRENCE
LIMESTONE MADISON MARENGO
MARION MARSHALL MORGAN
PICKENS SUMTER TUSCALOOSA
WALKER WINSTON
$$
LAC009-021-025-029-035-041-043-059-065-079-083-107-115-127-
151540-
LA
. LOUISIANA PARISHES INCLUDED ARE
AVOYELLES CALDWELL CATAHOULA
CONCORDIA EAST CARROLL FRANKLIN
GRANT LA SALLE MADISON
RAPIDES RICHLAND TENSAS
VERNON WINN
$$
MSC001-005-007-015-019-021-023-025-029-031-035-037-049-051-055-
061-063-065-067-069-073-075-077-079-085-087-089-091-097-099-101-
103-105-113-121-123-125-127-129-147-149-153-155-157-159-163-
151540-
MS
. MISSISSIPPI COUNTIES INCLUDED ARE
ADAMS AMITE ATTALA
CARROLL CHOCTAW CLAIBORNE
CLARKE CLAY COPIAH
COVINGTON FORREST FRANKLIN
HINDS HOLMES ISSAQUENA
JASPER JEFFERSON JEFFERSON DAVIS
JONES KEMPER LAMAR
LAUDERDALE LAWRENCE LEAKE
LINCOLN LOWNDES MADISON
MARION MONTGOMERY NESHOBA
NEWTON NOXUBEE OKTIBBEHA
PIKE RANKIN SCOTT
SHARKEY SIMPSON SMITH
WALTHALL WARREN WAYNE
WEBSTER WILKINSON WINSTON
YAZOO
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #1 ON WW 140
VALID 151335Z - 151440Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 35 S GLH TO
15 S GWO TO 45 W CBM TO 30 SSW TUP TO 10 SSE TUP TO 30 W MSL TO
25 NW MSL.
..EDWARDS..04/15/11
ATTN...WFO...BMX...MOB...HUN...LCH...SHV...JAN...LIX...
&&
STATUS REPORT FOR WT 140
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ALC009-023-033-043-057-059-063-065-073-075-077-079-083-089-091-
093-095-103-107-119-125-127-133-151440-
AL
. ALABAMA COUNTIES INCLUDED ARE
BLOUNT CHOCTAW COLBERT
CULLMAN FAYETTE FRANKLIN
GREENE HALE JEFFERSON
LAMAR LAUDERDALE LAWRENCE
LIMESTONE MADISON MARENGO
MARION MARSHALL MORGAN
PICKENS SUMTER TUSCALOOSA
WALKER WINSTON
$$
LAC009-021-025-029-035-041-043-059-065-079-083-107-115-127-
151440-
LA
. LOUISIANA PARISHES INCLUDED ARE
AVOYELLES CALDWELL CATAHOULA
CONCORDIA EAST CARROLL FRANKLIN
GRANT LA SALLE MADISON
RAPIDES RICHLAND TENSAS
VERNON WINN
$$
MSC001-005-007-015-019-021-023-025-029-031-035-037-043-049-051-
055-061-063-065-067-069-073-075-077-079-085-087-089-091-097-099-
101-103-105-113-121-123-125-127-129-147-149-153-155-157-159-163-
151440-
MS
. MISSISSIPPI COUNTIES INCLUDED ARE
ADAMS AMITE ATTALA
CARROLL CHOCTAW CLAIBORNE
CLARKE CLAY COPIAH
COVINGTON FORREST FRANKLIN
GRENADA HINDS HOLMES
ISSAQUENA JASPER JEFFERSON
JEFFERSON DAVIS JONES KEMPER
LAMAR LAUDERDALE LAWRENCE
LEAKE LINCOLN LOWNDES
MADISON MARION MONTGOMERY
NESHOBA NEWTON NOXUBEE
OKTIBBEHA PIKE RANKIN
SCOTT SHARKEY SIMPSON
SMITH WALTHALL WARREN
WAYNE WEBSTER WILKINSON
WINSTON YAZOO
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
Note:
Click for Complete Product Text.
Tornadoes
Probability of 2 or more tornadoes
|
High (80%)
|
Probability of 1 or more strong (F2-F5) tornadoes
|
Mod (50%)
|
Wind
Probability of 10 or more severe wind events
|
High (>95%)
|
Probability of 1 or more wind events > 65 knots
|
Low (20%)
|
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 (>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.