Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Note: Click for
Watch Status Reports.
SEL1
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 61
NWS STORM PREDICTION CENTER NORMAN OK
1125 PM CDT TUE MAR 24 2009
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
CENTRAL LOUISIANA
A SMALL PART OF EASTERN TEXAS
EFFECTIVE THIS TUESDAY NIGHT AND WEDNESDAY MORNING FROM 1125 PM
UNTIL 400 AM CDT.
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 40 STATUTE
MILES NORTH AND SOUTH OF A LINE FROM 85 MILES WEST OF FORT POLK
LOUISIANA TO 35 MILES NORTH NORTHEAST OF NATCHEZ MISSISSIPPI.
FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
OUTLINE UPDATE (WOUS64 KWNS WOU1).
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...THUNDERSTORMS HAVE INTENSIFIED LATE THIS EVENING ALONG
AND AHEAD OF SURFACE COLD FRONT MOVING INTO ERN TX/NRN LA.
PRE-FRONTAL AIR MASS REMAINS MARGINALLY UNSTABLE TO SURFACE-BASED
PARCELS...BUT LOW-DEEP LAYER SHEAR IS QUITE STRONG. APPEARS THREAT
OF ISOLATED TORNADOES AND/OR WIND DAMAGE MAY ACCOMPANY THIS SMALL
LINE OF STORMS ENEWD TOWARDS THE LOWER MS RIVER VALLEY AS STORMS
ROOT NEAR THE SURFACE. ADDITIONAL DEVELOPMENT MAY OCCUR AHEAD OF
THE FRONT FROM FAR ERN TX INTO CENTRAL LA THROUGH THE EARLY
NIGHTTIME HOURS.
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 26035.
...EVANS
SEL1
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 61
NWS STORM PREDICTION CENTER NORMAN OK
1125 PM CDT TUE MAR 24 2009
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
CENTRAL LOUISIANA
A SMALL PART OF EASTERN TEXAS
EFFECTIVE THIS TUESDAY NIGHT AND WEDNESDAY MORNING FROM 1125 PM
UNTIL 400 AM CDT.
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 40 STATUTE
MILES NORTH AND SOUTH OF A LINE FROM 85 MILES WEST OF FORT POLK
LOUISIANA TO 35 MILES NORTH NORTHEAST OF NATCHEZ MISSISSIPPI.
FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
OUTLINE UPDATE (WOUS64 KWNS WOU1).
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...THUNDERSTORMS HAVE INTENSIFIED LATE THIS EVENING ALONG
AND AHEAD OF SURFACE COLD FRONT MOVING INTO ERN TX/NRN LA.
PRE-FRONTAL AIR MASS REMAINS MARGINALLY UNSTABLE TO SURFACE-BASED
PARCELS...BUT LOW-DEEP LAYER SHEAR IS QUITE STRONG. APPEARS THREAT
OF ISOLATED TORNADOES AND/OR WIND DAMAGE MAY ACCOMPANY THIS SMALL
LINE OF STORMS ENEWD TOWARDS THE LOWER MS RIVER VALLEY AS STORMS
ROOT NEAR THE SURFACE. ADDITIONAL DEVELOPMENT MAY OCCUR AHEAD OF
THE FRONT FROM FAR ERN TX INTO CENTRAL LA THROUGH THE EARLY
NIGHTTIME HOURS.
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 26035.
...EVANS
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW1
WW 61 TORNADO LA TX 250425Z - 250900Z
AXIS..40 STATUTE MILES NORTH AND SOUTH OF LINE..
85W POE/FORT POLK LA/ - 35NNE HEZ/NATCHEZ MS/
..AVIATION COORDS.. 35NM N/S /9SE LFK - 52WSW JAN/
HAIL SURFACE AND ALOFT..1 INCH. WIND GUSTS..60 KNOTS.
MAX TOPS TO 450. MEAN STORM MOTION VECTOR 26035.
LAT...LON 31629462 32669106 31519106 30459462
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU1.
Watch 61 Status Report Messages:
STATUS REPORT #4 ON WW 61
VALID 250840Z - 250900Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 20 ESE ESF
TO 55 E MLU.
WW 61 WILL BE ALLOWED TO EXPIRE AT 250900Z. A MARGINAL/CONDITIONAL
SEVERE THREAT WILL EXIST INTO SRN MS NEXT FEW HOURS...AND THIS
AREA WILL CONTINUE TO BE MONITORED.
..DIAL..03/25/09
ATTN...WFO...LCH...SHV...JAN...
&&
STATUS REPORT FOR WT 61
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
LAC029-107-250900-
LA
. LOUISIANA PARISHES INCLUDED ARE
CONCORDIA TENSAS
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #3 ON WW 61
VALID 250725Z - 250840Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 20 E POE TO
30 NNE ESF TO 35 SSE MLU TO 20 E MLU.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 256
..DIAL..03/25/09
ATTN...WFO...LCH...SHV...JAN...
&&
STATUS REPORT FOR WT 61
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
LAC009-025-029-041-059-065-079-107-250840-
LA
. LOUISIANA PARISHES INCLUDED ARE
AVOYELLES CATAHOULA CONCORDIA
FRANKLIN LA SALLE MADISON
RAPIDES TENSAS
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #2 ON WW 61
VALID 250650Z - 250740Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 30 SSE LFK
TO 25 WNW ESF TO 35 N ESF TO 15 SW MLU.
..DIAL..03/25/09
ATTN...WFO...LCH...SHV...JAN...
&&
STATUS REPORT FOR WT 61
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
LAC009-021-025-029-041-043-059-065-079-083-107-115-250740-
LA
. LOUISIANA PARISHES INCLUDED ARE
AVOYELLES CALDWELL CATAHOULA
CONCORDIA FRANKLIN GRANT
LA SALLE MADISON RAPIDES
RICHLAND TENSAS VERNON
$$
TXC241-351-457-250740-
TX
. TEXAS COUNTIES INCLUDED ARE
JASPER NEWTON TYLER
$$
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.
$$
STATUS REPORT #1 ON WW 61
VALID 250555Z - 250640Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 10 SE LFK TO
20 SW IER TO 20 N IER TO 55 E MLU.
..DIAL..03/25/09
ATTN...WFO...LCH...SHV...JAN...
&&
STATUS REPORT FOR WT 61
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
LAC009-021-025-029-041-043-059-065-069-079-083-107-115-127-
250640-
LA
. LOUISIANA PARISHES INCLUDED ARE
AVOYELLES CALDWELL CATAHOULA
CONCORDIA FRANKLIN GRANT
LA SALLE MADISON NATCHITOCHES
RAPIDES RICHLAND TENSAS
VERNON WINN
$$
TXC241-351-403-457-250640-
TX
. TEXAS COUNTIES INCLUDED ARE
JASPER NEWTON SABINE
TYLER
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
Note:
Click for Complete Product Text.
Tornadoes
Probability of 2 or more tornadoes
|
Mod (30%)
|
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
|
Mod (30%)
|
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
|
Mod (50%)
|
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 
