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.
SEL7
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 877
NWS STORM PREDICTION CENTER NORMAN OK
630 AM CDT MON SEP 1 2008
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
SOUTHWEST ALABAMA
WESTERN FLORIDA PANHANDLE
SOUTHEAST LOUISIANA
SOUTHERN MISSISSIPPI
COASTAL WATERS
EFFECTIVE THIS MONDAY MORNING AND AFTERNOON FROM 630 AM UNTIL 400
PM CDT.
TORNADOES...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 NORTH AND SOUTH OF A LINE FROM 45 MILES WEST SOUTHWEST OF
BATON ROUGE LOUISIANA TO 5 MILES SOUTHEAST OF CRESTVIEW FLORIDA.
FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
OUTLINE UPDATE (WOUS64 KWNS WOU7).
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...THIS TORNADO WATCH REPLACES TORNADO
WATCH NUMBER 876. WATCH NUMBER 876 WILL NOT BE IN EFFECT AFTER
630 AM CDT.
DISCUSSION...THREAT FOR ISOLATED TORNADOES IS EXPECTED TO PERSIST IN
THIS REGION THROUGH THE AFTERNOON IN ASSOCIATION WITH MINI
SUPERCELLS EMBEDDED WITHIN RAINBANDS MAINLY NORTH AND EAST OF THE
CENTER OF HURRICANE GUSTAV WHERE LARGE LOW LEVEL HODOGRAPHS EXIST.
AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH EXTREME
TURBULENCE AND SURFACE WIND GUSTS TO 70 KNOTS. A FEW CUMULONIMBI
WITH MAXIMUM TOPS TO 500. MEAN STORM MOTION VECTOR 12050.
...DIAL
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW7
WW 877 TORNADO AL FL LA MS CW 011130Z - 012100Z
AXIS..85 STATUTE MILES NORTH AND SOUTH OF LINE..
45WSW BTR/BATON ROUGE LA/ - 5SE CEW/CRESTVIEW FL/
..AVIATION COORDS.. 75NM N/S /31WSW BTR - 13ESE CEW/
WIND GUSTS..70 KNOTS.
MAX TOPS TO 500.MEAN STORM MOTION VECTOR 12050.
REPLACES WW 876..AL FL LA MS CW
LAT...LON 31519184 31958645 29508645 29049184
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU7.
Watch 877 Status Report Messages:
STATUS REPORT #5 ON WW 877
VALID 012035Z - 012140Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..BROYLES..09/01/08
ATTN...WFO...MOB...LIX...JAN...
&&
STATUS REPORT FOR WT 877
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ALC003-025-035-053-097-099-129-012140-
AL
. ALABAMA COUNTIES INCLUDED ARE
BALDWIN CLARKE CONECUH
ESCAMBIA MOBILE MONROE
WASHINGTON
$$
FLC033-091-113-012140-
FL
. FLORIDA COUNTIES INCLUDED ARE
ESCAMBIA OKALOOSA SANTA ROSA
$$
LAC005-007-033-037-047-051-057-063-071-075-077-087-089-091-093-
095-103-105-109-117-121-125-012140-
LA
. LOUISIANA PARISHES INCLUDED ARE
ASCENSION ASSUMPTION EAST BATON ROUGE
EAST FELICIANA IBERVILLE JEFFERSON
LAFOURCHE LIVINGSTON ORLEANS
PLAQUEMINES POINTE COUPEE ST. BERNARD
ST. CHARLES ST. HELENA ST. JAMES
ST. JOHN THE BAPTIST ST. TAMMANY TANGIPAHOA
TERREBONNE WASHINGTON WEST BATON ROUGE
WEST FELICIANA
$$
MSC001-005-031-035-037-039-041-045-047-059-065-067-073-077-085-
091-109-111-113-131-147-153-157-012140-
MS
. MISSISSIPPI COUNTIES INCLUDED ARE
ADAMS AMITE COVINGTON
FORREST FRANKLIN GEORGE
GREENE HANCOCK HARRISON
JACKSON JEFFERSON DAVIS JONES
LAMAR LAWRENCE LINCOLN
MARION PEARL RIVER PERRY
PIKE STONE WALTHALL
WAYNE WILKINSON
$$
GMZ530-550-555-630-650-655-012140-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
LAKE PONTCHARTRAIN AND LAKE MAUREPAS
COASTAL WATERS FROM THE SOUTHWEST PASS OF THE MISSISSIPPI RIVER
TO LOWER ATCHAFALAYA RIVER LA OUT 20 NM
COASTAL WATERS FROM PASCAGOULA MS TO THE SOUTHWEST PASS OF THE
MISSISSIPPI RIVER OUT 20 NM
MOBILE BAY
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 877
VALID 011845Z - 011940Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..BROYLES..09/01/08
ATTN...WFO...MOB...LIX...JAN...
&&
STATUS REPORT FOR WT 877
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ALC003-025-035-053-097-099-129-011940-
AL
. ALABAMA COUNTIES INCLUDED ARE
BALDWIN CLARKE CONECUH
ESCAMBIA MOBILE MONROE
WASHINGTON
$$
FLC033-091-113-011940-
FL
. FLORIDA COUNTIES INCLUDED ARE
ESCAMBIA OKALOOSA SANTA ROSA
$$
LAC005-007-033-037-047-051-057-063-071-075-077-087-089-091-093-
095-103-105-109-117-121-125-011940-
LA
. LOUISIANA PARISHES INCLUDED ARE
ASCENSION ASSUMPTION EAST BATON ROUGE
EAST FELICIANA IBERVILLE JEFFERSON
LAFOURCHE LIVINGSTON ORLEANS
PLAQUEMINES POINTE COUPEE ST. BERNARD
ST. CHARLES ST. HELENA ST. JAMES
ST. JOHN THE BAPTIST ST. TAMMANY TANGIPAHOA
TERREBONNE WASHINGTON WEST BATON ROUGE
WEST FELICIANA
$$
MSC001-005-031-035-037-039-041-045-047-059-065-067-073-077-085-
091-109-111-113-131-147-153-157-011940-
MS
. MISSISSIPPI COUNTIES INCLUDED ARE
ADAMS AMITE COVINGTON
FORREST FRANKLIN GEORGE
GREENE HANCOCK HARRISON
JACKSON JEFFERSON DAVIS JONES
LAMAR LAWRENCE LINCOLN
MARION PEARL RIVER PERRY
PIKE STONE WALTHALL
WAYNE WILKINSON
$$
GMZ530-550-555-630-650-655-011940-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
LAKE PONTCHARTRAIN AND LAKE MAUREPAS
COASTAL WATERS FROM THE SOUTHWEST PASS OF THE MISSISSIPPI RIVER
TO LOWER ATCHAFALAYA RIVER LA OUT 20 NM
COASTAL WATERS FROM PASCAGOULA MS TO THE SOUTHWEST PASS OF THE
MISSISSIPPI RIVER OUT 20 NM
MOBILE BAY
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 877
VALID 011740Z - 011840Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..BROYLES..09/01/08
ATTN...WFO...MOB...LIX...JAN...
&&
STATUS REPORT FOR WT 877
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ALC003-025-035-053-097-099-129-011840-
AL
. ALABAMA COUNTIES INCLUDED ARE
BALDWIN CLARKE CONECUH
ESCAMBIA MOBILE MONROE
WASHINGTON
$$
FLC033-091-113-011840-
FL
. FLORIDA COUNTIES INCLUDED ARE
ESCAMBIA OKALOOSA SANTA ROSA
$$
LAC005-007-033-037-047-051-057-063-071-075-077-087-089-091-093-
095-103-105-109-117-121-125-011840-
LA
. LOUISIANA PARISHES INCLUDED ARE
ASCENSION ASSUMPTION EAST BATON ROUGE
EAST FELICIANA IBERVILLE JEFFERSON
LAFOURCHE LIVINGSTON ORLEANS
PLAQUEMINES POINTE COUPEE ST. BERNARD
ST. CHARLES ST. HELENA ST. JAMES
ST. JOHN THE BAPTIST ST. TAMMANY TANGIPAHOA
TERREBONNE WASHINGTON WEST BATON ROUGE
WEST FELICIANA
$$
MSC001-005-031-035-037-039-041-045-047-059-065-067-073-077-085-
091-109-111-113-131-147-153-157-011840-
MS
. MISSISSIPPI COUNTIES INCLUDED ARE
ADAMS AMITE COVINGTON
FORREST FRANKLIN GEORGE
GREENE HANCOCK HARRISON
JACKSON JEFFERSON DAVIS JONES
LAMAR LAWRENCE LINCOLN
MARION PEARL RIVER PERRY
PIKE STONE WALTHALL
WAYNE WILKINSON
$$
GMZ530-550-555-630-650-655-011840-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
LAKE PONTCHARTRAIN AND LAKE MAUREPAS
COASTAL WATERS FROM THE SOUTHWEST PASS OF THE MISSISSIPPI RIVER
TO LOWER ATCHAFALAYA RIVER LA OUT 20 NM
COASTAL WATERS FROM PASCAGOULA MS TO THE SOUTHWEST PASS OF THE
MISSISSIPPI RIVER OUT 20 NM
MOBILE BAY
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 877
VALID 011545Z - 011640Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..BROYLES..09/01/08
ATTN...WFO...MOB...LIX...JAN...
&&
STATUS REPORT FOR WT 877
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ALC003-025-035-053-097-099-129-011640-
AL
. ALABAMA COUNTIES INCLUDED ARE
BALDWIN CLARKE CONECUH
ESCAMBIA MOBILE MONROE
WASHINGTON
$$
FLC033-091-113-011640-
FL
. FLORIDA COUNTIES INCLUDED ARE
ESCAMBIA OKALOOSA SANTA ROSA
$$
LAC005-007-033-037-047-051-057-063-071-075-077-087-089-091-093-
095-103-105-109-117-121-125-011640-
LA
. LOUISIANA PARISHES INCLUDED ARE
ASCENSION ASSUMPTION EAST BATON ROUGE
EAST FELICIANA IBERVILLE JEFFERSON
LAFOURCHE LIVINGSTON ORLEANS
PLAQUEMINES POINTE COUPEE ST. BERNARD
ST. CHARLES ST. HELENA ST. JAMES
ST. JOHN THE BAPTIST ST. TAMMANY TANGIPAHOA
TERREBONNE WASHINGTON WEST BATON ROUGE
WEST FELICIANA
$$
MSC001-005-031-035-037-039-041-045-047-059-065-067-073-077-085-
091-109-111-113-131-147-153-157-011640-
MS
. MISSISSIPPI COUNTIES INCLUDED ARE
ADAMS AMITE COVINGTON
FORREST FRANKLIN GEORGE
GREENE HANCOCK HARRISON
JACKSON JEFFERSON DAVIS JONES
LAMAR LAWRENCE LINCOLN
MARION PEARL RIVER PERRY
PIKE STONE WALTHALL
WAYNE WILKINSON
$$
GMZ530-550-555-630-650-655-011640-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
LAKE PONTCHARTRAIN AND LAKE MAUREPAS
COASTAL WATERS FROM THE SOUTHWEST PASS OF THE MISSISSIPPI RIVER
TO LOWER ATCHAFALAYA RIVER LA OUT 20 NM
COASTAL WATERS FROM PASCAGOULA MS TO THE SOUTHWEST PASS OF THE
MISSISSIPPI RIVER OUT 20 NM
MOBILE BAY
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 877
VALID 011340Z - 011440Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..BROYLES..09/01/08
ATTN...WFO...MOB...LIX...JAN...
&&
STATUS REPORT FOR WT 877
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ALC003-025-035-053-097-099-129-011440-
AL
. ALABAMA COUNTIES INCLUDED ARE
BALDWIN CLARKE CONECUH
ESCAMBIA MOBILE MONROE
WASHINGTON
$$
FLC033-091-113-011440-
FL
. FLORIDA COUNTIES INCLUDED ARE
ESCAMBIA OKALOOSA SANTA ROSA
$$
LAC005-007-033-037-047-051-057-063-071-075-077-087-089-091-093-
095-103-105-109-117-121-125-011440-
LA
. LOUISIANA PARISHES INCLUDED ARE
ASCENSION ASSUMPTION EAST BATON ROUGE
EAST FELICIANA IBERVILLE JEFFERSON
LAFOURCHE LIVINGSTON ORLEANS
PLAQUEMINES POINTE COUPEE ST. BERNARD
ST. CHARLES ST. HELENA ST. JAMES
ST. JOHN THE BAPTIST ST. TAMMANY TANGIPAHOA
TERREBONNE WASHINGTON WEST BATON ROUGE
WEST FELICIANA
$$
MSC001-005-031-035-037-039-041-045-047-059-065-067-073-077-085-
091-109-111-113-131-147-153-157-011440-
MS
. MISSISSIPPI COUNTIES INCLUDED ARE
ADAMS AMITE COVINGTON
FORREST FRANKLIN GEORGE
GREENE HANCOCK HARRISON
JACKSON JEFFERSON DAVIS JONES
LAMAR LAWRENCE LINCOLN
MARION PEARL RIVER PERRY
PIKE STONE WALTHALL
WAYNE WILKINSON
$$
GMZ530-550-555-630-650-655-011440-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
LAKE PONTCHARTRAIN AND LAKE MAUREPAS
COASTAL WATERS FROM THE SOUTHWEST PASS OF THE MISSISSIPPI RIVER
TO LOWER ATCHAFALAYA RIVER LA OUT 20 NM
COASTAL WATERS FROM PASCAGOULA MS TO THE SOUTHWEST PASS OF THE
MISSISSIPPI RIVER OUT 20 NM
MOBILE BAY
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 (40%)
|
Probability of 1 or more strong (F2-F5) tornadoes
|
Low (20%)
|
Wind
Probability of 10 or more severe wind events
|
Mod (50%)
|
Probability of 1 or more wind events > 65 knots
|
Mod (40%)
|
Hail
Probability of 10 or more severe hail events
|
Low (<5%)
|
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 (60%)
|
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.