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The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
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Watch Status Reports.
SEL6
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 66
NWS STORM PREDICTION CENTER NORMAN OK
855 PM CDT WED MAR 25 2009
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
SOUTHERN AND EASTERN LOUISIANA
CENTRAL MISSISSIPPI
COASTAL WATERS
EFFECTIVE THIS WEDNESDAY NIGHT AND THURSDAY MORNING FROM 855 PM
UNTIL 300 AM CDT.
TORNADOES...HAIL TO 1.5 INCHES IN DIAMETER...THUNDERSTORM WIND
GUSTS TO 80 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE
AREAS.
THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 85 STATUTE
MILES EAST AND WEST OF A LINE FROM 25 MILES SOUTHWEST OF
INTRACOASTAL CITY LOUISIANA TO 55 MILES NORTHWEST OF JACKSON
MISSISSIPPI. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU6).
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 63...WW 64...WW 65...
DISCUSSION...WELL ORGANIZED LINE OF THUNDERSTORMS...IN THE FORM OF
SUPERCELLS AND BOW ECHOES...WILL CONTINUE RACING EWD ACROSS THE
LOWER MS RIVER VALLEY TONIGHT. ISOLATED SUPERCELL DEVELOPMENT CAN
ALSO BE EXPECTED AHEAD OF THIS MAIN LINE OF STORMS AS STRONG SSWLY
LLJ OVERSPREADS THE AREA. GREATEST LOW LEVEL SHEAR WILL REMAIN
CONCENTRATED WHERE THIS LINE STRADDLES SURFACE WARM FRONT...ALTHOUGH
SHEAR WILL REMAIN QUITE STRONG ACROSS THE WHOLE REGION. WIND
DAMAGE...LARGE HAIL AND ISOLATED TORNADOES CAN ALL BE EXPECTED
OVERNIGHT ALONG AND AHEAD OF QUASI-LINEAR CONVECTIVE SYSTEM. WIND
DAMAGE MAY BECOME PARAMOUNT IF ORGANIZED BOW ECHO CAN BE SUSTAINED.
AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
500. MEAN STORM MOTION VECTOR 27040.
...EVANS
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW6
WW 66 TORNADO LA MS CW 260155Z - 260800Z
AXIS..85 STATUTE MILES EAST AND WEST OF LINE..
25SW 7R4/INTRACOASTAL CITY LA/ - 55NW JAN/JACKSON MS/
..AVIATION COORDS.. 75NM E/W /51SE LCH - 37NW JAN/
HAIL SURFACE AND ALOFT..1.5 INCHES. WIND GUSTS..70 KNOTS.
MAX TOPS TO 500. MEAN STORM MOTION VECTOR 27040.
LAT...LON 29529383 32869220 32868929 29529101
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU6.
Watch 66 Status Report Messages:
STATUS REPORT #6 ON WW 66
VALID 260745Z - 260800Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 40 SSE LCH
TO 25 SSE BTR TO 20 SSE MCB TO 50 NW MEI.
ERN PORTIONS OF WW 66 WILL BE LOCALLY EXTENDED FOR AN HOUR OR SO
BEYOND ITS EXPIRATION TIME OF 260800Z.
..DIAL..03/26/09
ATTN...WFO...LCH...LIX...JAN...
&&
STATUS REPORT FOR WT 66
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
LAC005-007-045-063-093-095-101-103-113-117-260800-
LA
. LOUISIANA PARISHES INCLUDED ARE
ASCENSION ASSUMPTION IBERIA
LIVINGSTON ST. JAMES ST. JOHN THE BAPTIST
ST. MARY ST. TAMMANY VERMILION
WASHINGTON
$$
MSC023-031-035-061-065-067-069-073-075-091-099-101-103-129-147-
260800-
MS
. MISSISSIPPI COUNTIES INCLUDED ARE
CLARKE COVINGTON FORREST
JASPER JEFFERSON DAVIS JONES
KEMPER LAMAR LAUDERDALE
MARION NESHOBA NEWTON
NOXUBEE SMITH WALTHALL
$$
GMZ435-452-455-260800-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
COASTAL WATERS FROM INTRACOASTAL CITY TO CAMERON LA OUT 20 NM
COASTAL WATERS FROM LOWER ATCHAFALAYA RIVER TO INTRACOASTAL CITY
LA 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 #5 ON WW 66
VALID 260635Z - 260740Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 30 WSW 7R4
TO 20 N BTR TO 30 SSW JAN TO 55 SE GWO.
..DIAL..03/26/09
ATTN...WFO...LCH...LIX...JAN...
&&
STATUS REPORT FOR WT 66
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
LAC005-007-033-037-045-047-063-091-093-095-099-101-103-105-113-
117-121-260740-
LA
. LOUISIANA PARISHES INCLUDED ARE
ASCENSION ASSUMPTION EAST BATON ROUGE
EAST FELICIANA IBERIA IBERVILLE
LIVINGSTON ST. HELENA ST. JAMES
ST. JOHN THE BAPTIST ST. MARTIN ST. MARY
ST. TAMMANY TANGIPAHOA VERMILION
WASHINGTON WEST BATON ROUGE
$$
MSC005-023-031-035-061-065-067-069-073-075-077-079-085-091-099-
101-103-113-121-123-127-129-147-159-260740-
MS
. MISSISSIPPI COUNTIES INCLUDED ARE
AMITE CLARKE COVINGTON
FORREST JASPER JEFFERSON DAVIS
JONES KEMPER LAMAR
LAUDERDALE LAWRENCE LEAKE
LINCOLN MARION NESHOBA
NEWTON NOXUBEE PIKE
RANKIN SCOTT SIMPSON
SMITH WALTHALL WINSTON
$$
GMZ435-452-455-260740-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
COASTAL WATERS FROM INTRACOASTAL CITY TO CAMERON LA OUT 20 NM
COASTAL WATERS FROM LOWER ATCHAFALAYA RIVER TO INTRACOASTAL CITY
LA 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 66
VALID 260545Z - 260640Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 40 S LCH TO
25 N LFT TO 25 NE HEZ TO 35 N JAN TO 35 S GWO.
..DIAL..03/26/09
ATTN...WFO...LCH...LIX...JAN...
&&
STATUS REPORT FOR WT 66
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
LAC005-007-033-037-045-047-055-063-077-091-093-095-099-101-103-
105-113-117-121-125-260640-
LA
. LOUISIANA PARISHES INCLUDED ARE
ASCENSION ASSUMPTION EAST BATON ROUGE
EAST FELICIANA IBERIA IBERVILLE
LAFAYETTE LIVINGSTON POINTE COUPEE
ST. HELENA ST. JAMES ST. JOHN THE BAPTIST
ST. MARTIN ST. MARY ST. TAMMANY
TANGIPAHOA VERMILION WASHINGTON
WEST BATON ROUGE WEST FELICIANA
$$
MSC005-007-021-023-029-031-035-037-049-061-063-065-067-069-073-
075-077-079-085-089-091-099-101-103-113-121-123-127-129-147-157-
159-260640-
MS
. MISSISSIPPI COUNTIES INCLUDED ARE
AMITE ATTALA CLAIBORNE
CLARKE COPIAH COVINGTON
FORREST FRANKLIN HINDS
JASPER JEFFERSON JEFFERSON DAVIS
JONES KEMPER LAMAR
LAUDERDALE LAWRENCE LEAKE
LINCOLN MADISON MARION
NESHOBA NEWTON NOXUBEE
PIKE RANKIN SCOTT
SIMPSON SMITH WALTHALL
WILKINSON WINSTON
$$
GMZ435-452-455-260640-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
COASTAL WATERS FROM INTRACOASTAL CITY TO CAMERON LA OUT 20 NM
COASTAL WATERS FROM LOWER ATCHAFALAYA RIVER TO INTRACOASTAL CITY
LA 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 66
VALID 260435Z - 260540Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 5 S BPT TO
20 NE LCH TO 25 WNW HEZ TO 40 SSE GLH.
..HURLBUT..03/26/09
ATTN...WFO...LCH...LIX...JAN...
&&
STATUS REPORT FOR WT 66
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
LAC001-005-007-009-011-023-029-033-037-039-045-047-053-055-063-
077-091-093-095-097-099-101-103-105-107-113-117-121-125-
260540-
LA
. LOUISIANA PARISHES INCLUDED ARE
ACADIA ASCENSION ASSUMPTION
AVOYELLES BEAUREGARD CAMERON
CONCORDIA EAST BATON ROUGE EAST FELICIANA
EVANGELINE IBERIA IBERVILLE
JEFFERSON DAVIS LAFAYETTE LIVINGSTON
POINTE COUPEE ST. HELENA ST. JAMES
ST. JOHN THE BAPTIST ST. LANDRY ST. MARTIN
ST. MARY ST. TAMMANY TANGIPAHOA
TENSAS VERMILION WASHINGTON
WEST BATON ROUGE WEST FELICIANA
$$
MSC001-005-007-021-023-029-031-035-037-049-051-061-063-065-067-
069-073-075-077-079-085-089-091-099-101-103-113-121-123-127-129-
147-149-157-159-163-260540-
MS
. MISSISSIPPI COUNTIES INCLUDED ARE
ADAMS AMITE ATTALA
CLAIBORNE CLARKE COPIAH
COVINGTON FORREST FRANKLIN
HINDS HOLMES JASPER
JEFFERSON JEFFERSON DAVIS JONES
KEMPER LAMAR LAUDERDALE
LAWRENCE LEAKE LINCOLN
MADISON MARION NESHOBA
NEWTON NOXUBEE PIKE
RANKIN SCOTT SIMPSON
SMITH WALTHALL WARREN
WILKINSON WINSTON YAZOO
$$
GMZ432-435-452-455-260540-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
COASTAL WATERS FROM INTRACOASTAL CITY TO CAMERON LA OUT 20 NM
COASTAL WATERS FROM LOWER ATCHAFALAYA RIVER TO INTRACOASTAL CITY
LA 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 66
VALID 260335Z - 260440Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 20 NE POE TO
40 SSW MLU TO 35 NE MLU.
..BROYLES..03/26/09
ATTN...WFO...LCH...LIX...JAN...
&&
STATUS REPORT FOR WT 66
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
LAC001-003-005-007-009-011-019-023-025-029-033-035-037-039-041-
045-047-053-055-063-065-077-091-093-095-097-099-101-103-105-107-
113-117-121-123-125-260440-
LA
. LOUISIANA PARISHES INCLUDED ARE
ACADIA ALLEN ASCENSION
ASSUMPTION AVOYELLES BEAUREGARD
CALCASIEU CAMERON CATAHOULA
CONCORDIA EAST BATON ROUGE EAST CARROLL
EAST FELICIANA EVANGELINE FRANKLIN
IBERIA IBERVILLE JEFFERSON DAVIS
LAFAYETTE LIVINGSTON MADISON
POINTE COUPEE ST. HELENA ST. JAMES
ST. JOHN THE BAPTIST ST. LANDRY ST. MARTIN
ST. MARY ST. TAMMANY TANGIPAHOA
TENSAS VERMILION WASHINGTON
WEST BATON ROUGE WEST CARROLL WEST FELICIANA
$$
MSC001-005-021-029-037-049-055-063-065-077-085-089-091-113-121-
125-127-147-149-157-163-260440-
MS
. MISSISSIPPI COUNTIES INCLUDED ARE
ADAMS AMITE CLAIBORNE
COPIAH FRANKLIN HINDS
ISSAQUENA JEFFERSON JEFFERSON DAVIS
LAWRENCE LINCOLN MADISON
MARION PIKE RANKIN
SHARKEY SIMPSON WALTHALL
WARREN WILKINSON YAZOO
$$
GMZ432-435-452-455-260440-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
COASTAL WATERS FROM INTRACOASTAL CITY TO CAMERON LA OUT 20 NM
COASTAL WATERS FROM LOWER ATCHAFALAYA RIVER TO INTRACOASTAL CITY
LA 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 66
VALID 260230Z - 260340Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..HURLBUT..03/26/09
ATTN...WFO...LCH...LIX...JAN...
&&
STATUS REPORT FOR WT 66
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
LAC001-003-005-007-009-011-019-023-025-029-033-035-037-039-041-
045-047-053-055-063-065-067-077-083-091-093-095-097-099-101-103-
105-107-113-117-121-123-125-260340-
LA
. LOUISIANA PARISHES INCLUDED ARE
ACADIA ALLEN ASCENSION
ASSUMPTION AVOYELLES BEAUREGARD
CALCASIEU CAMERON CATAHOULA
CONCORDIA EAST BATON ROUGE EAST CARROLL
EAST FELICIANA EVANGELINE FRANKLIN
IBERIA IBERVILLE JEFFERSON DAVIS
LAFAYETTE LIVINGSTON MADISON
MOREHOUSE POINTE COUPEE RICHLAND
ST. HELENA ST. JAMES ST. JOHN THE BAPTIST
ST. LANDRY ST. MARTIN ST. MARY
ST. TAMMANY TANGIPAHOA TENSAS
VERMILION WASHINGTON WEST BATON ROUGE
WEST CARROLL WEST FELICIANA
$$
MSC001-005-021-029-037-049-055-063-065-077-085-089-091-113-121-
125-127-147-149-157-163-260340-
MS
. MISSISSIPPI COUNTIES INCLUDED ARE
ADAMS AMITE CLAIBORNE
COPIAH FRANKLIN HINDS
ISSAQUENA JEFFERSON JEFFERSON DAVIS
LAWRENCE LINCOLN MADISON
MARION PIKE RANKIN
SHARKEY SIMPSON WALTHALL
WARREN WILKINSON YAZOO
$$
GMZ432-435-452-455-260340-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
COASTAL WATERS FROM INTRACOASTAL CITY TO CAMERON LA OUT 20 NM
COASTAL WATERS FROM LOWER ATCHAFALAYA RIVER TO INTRACOASTAL CITY
LA 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 (60%)
|
Probability of 1 or more strong (F2-F5) tornadoes
|
Mod (40%)
|
Wind
Probability of 10 or more severe wind events
|
High (70%)
|
Probability of 1 or more wind events > 65 knots
|
Mod (40%)
|
Hail
Probability of 10 or more severe hail events
|
Mod (50%)
|
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 (>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.
weather.gov 
