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Watch Status Reports.
SEL8
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 258
NWS STORM PREDICTION CENTER NORMAN OK
410 AM CDT SAT MAY 3 2008
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
EXTREME SOUTHWEST ALABAMA
SOUTHEAST LOUISIANA
SOUTHERN MISSISSIPPI
COASTAL WATERS
EFFECTIVE THIS SATURDAY MORNING FROM 410 AM UNTIL 1100 AM CDT.
TORNADOES...HAIL TO 1.5 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 NORTH AND SOUTH OF A LINE FROM 5 MILES WEST SOUTHWEST OF
INTRACOASTAL CITY LOUISIANA TO 50 MILES EAST OF PINE BELT
MISSISSIPPI. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU8).
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 257...
DISCUSSION...A PRE-FRONTAL LINE OF THUNDERSTORMS WILL CONTINUE TO
SAG SEWD ACROSS LA/MS THROUGH THE MORNING...WITH THE CONTINUED
THREAT FOR DAMAGING WINDS AND ISOLATED LARGE HAIL. ADDITIONAL WARM
SECTOR DEVELOPMENT OF DISCRETE SUPERCELLS WILL CONTINUE FROM SE LA
INTO SRN MS...WITH RICH L0W-LEVEL MOISTURE AND STRONG LOW-LEVEL
SHEAR FAVORING THE POTENTIAL FOR A FEW TORNADOES.
AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
500. MEAN STORM MOTION VECTOR 24035.
...THOMPSON
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW8
WW 258 TORNADO AL LA MS CW 030910Z - 031600Z
AXIS..80 STATUTE MILES NORTH AND SOUTH OF LINE..
5WSW 7R4/INTRACOASTAL CITY LA/ - 50E PIB/PINE BELT MS/
..AVIATION COORDS.. 70NM N/S /52ESE LCH - 45N SJI/
HAIL SURFACE AND ALOFT..1.5 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 500. MEAN STORM MOTION VECTOR 24035.
LAT...LON 30909220 32638848 30308848 28599220
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU8.
Watch 258 Status Report Messages:
STATUS REPORT #6 ON WW 258
VALID 031530Z - 031640Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 30 S 7R4 TO
25 SE MSY TO 30 SSW MOB.
..KERR..05/03/08
ATTN...WFO...MOB...LCH...LIX...JAN...
&&
STATUS REPORT FOR WT 258
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
LAC051-057-075-109-031640-
LA
. LOUISIANA PARISHES INCLUDED ARE
JEFFERSON LAFOURCHE PLAQUEMINES
TERREBONNE
$$
GMZ555-630-650-031640-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
COASTAL WATERS FROM PASCAGOULA MS TO THE SOUTHWEST PASS OF THE
MISSISSIPPI RIVER OUT 20 NM
MOBILE BAY
COASTAL WATERS FROM PENSACOLA FL TO PASCAGOULA MS OUT 20 NM
$$
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.
$$
STATUS REPORT #5 ON WW 258
VALID 031525Z - 031600Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 30 S 7R4 TO
25 SE MSY TO 30 SSW MOB.
A LOW SEVERE THREAT MAY LINGER ACROSS EXTREME SOUTHEASTERN
LOUISIANA PARISHES THRU 17-18Z. BUT...REMAINING VALID PORTION OF WW
258 MAY BE ALLOWED TO EXPIRE AT 03/16Z.
..KERR..05/03/08
ATTN...WFO...MOB...LCH...LIX...JAN...
&&
STATUS REPORT FOR WT 258
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ALC097-031600-
AL
. ALABAMA COUNTIES INCLUDED ARE
MOBILE
$$
LAC051-057-075-109-031600-
LA
. LOUISIANA PARISHES INCLUDED ARE
JEFFERSON LAFOURCHE PLAQUEMINES
TERREBONNE
$$
GMZ555-630-650-031600-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
COASTAL WATERS FROM PASCAGOULA MS TO THE SOUTHWEST PASS OF THE
MISSISSIPPI RIVER OUT 20 NM
MOBILE BAY
COASTAL WATERS FROM PENSACOLA FL TO PASCAGOULA MS OUT 20 NM
$$
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.
$$
STATUS REPORT #4 ON WW 258
VALID 031440Z - 031540Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 5 SSW 7R4 TO
20 NW MOB.
..KERR..05/03/08
ATTN...WFO...MOB...LCH...LIX...JAN...
&&
STATUS REPORT FOR WT 258
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ALC097-031540-
AL
. ALABAMA COUNTIES INCLUDED ARE
MOBILE
$$
LAC007-045-051-057-071-075-087-089-093-095-101-103-109-113-
031540-
LA
. LOUISIANA PARISHES INCLUDED ARE
ASSUMPTION IBERIA JEFFERSON
LAFOURCHE ORLEANS PLAQUEMINES
ST. BERNARD ST. CHARLES ST. JAMES
ST. JOHN THE BAPTIST ST. MARY ST. TAMMANY
TERREBONNE VERMILION
$$
MSC045-047-059-031540-
MS
. MISSISSIPPI COUNTIES INCLUDED ARE
HANCOCK HARRISON JACKSON
$$
GMZ530-555-630-650-031540-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
LAKE PONTCHARTRAIN AND LAKE MAUREPAS
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
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #3 ON WW 258
VALID 031345Z - 031440Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 15 SW LFT TO
55 E PIB.
..KERR..05/03/08
ATTN...WFO...MOB...LCH...LIX...JAN...
&&
STATUS REPORT FOR WT 258
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ALC097-129-031440-
AL
. ALABAMA COUNTIES INCLUDED ARE
MOBILE WASHINGTON
$$
LAC007-045-051-055-057-071-075-087-089-093-095-099-101-103-109-
113-031440-
LA
. LOUISIANA PARISHES INCLUDED ARE
ASSUMPTION IBERIA JEFFERSON
LAFAYETTE LAFOURCHE ORLEANS
PLAQUEMINES ST. BERNARD ST. CHARLES
ST. JAMES ST. JOHN THE BAPTISTST. MARTIN
ST. MARY ST. TAMMANY TERREBONNE
VERMILION
$$
MSC039-041-045-047-059-109-111-131-031440-
MS
. MISSISSIPPI COUNTIES INCLUDED ARE
GEORGE GREENE HANCOCK
HARRISON JACKSON PEARL RIVER
PERRY STONE
$$
GMZ530-555-630-650-031440-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
LAKE PONTCHARTRAIN AND LAKE MAUREPAS
COASTAL WATERS FROM PASCAGOULA MS TO THE SOUTHWEST PASS OF THE
MISSISSIPPI RIVER OUT 20 NM
MOBILE BAY
COASTAL WATERS FROM PENSACOLA FL TO PASCAGOULA MS OUT 20 NM
$$
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.
$$
STATUS REPORT #2 ON WW 258
VALID 031240Z - 031340Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 20 WNW LFT
TO 10 SE BTR TO 35 NNW ASD TO 55 E PIB.
..BROYLES..05/03/08
ATTN...WFO...MOB...LCH...LIX...JAN...
&&
STATUS REPORT FOR WT 258
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ALC097-129-031340-
AL
. ALABAMA COUNTIES INCLUDED ARE
MOBILE WASHINGTON
$$
LAC005-007-045-047-051-055-057-063-071-075-087-089-093-095-099-
101-103-105-109-113-031340-
LA
. LOUISIANA PARISHES INCLUDED ARE
ASCENSION ASSUMPTION IBERIA
IBERVILLE JEFFERSON LAFAYETTE
LAFOURCHE LIVINGSTON ORLEANS
PLAQUEMINES ST. BERNARD ST. CHARLES
ST. JAMES ST. JOHN THE BAPTISTST. MARTIN
ST. MARY ST. TAMMANY TANGIPAHOA
TERREBONNE VERMILION
$$
MSC039-041-045-047-059-109-111-131-031340-
MS
. MISSISSIPPI COUNTIES INCLUDED ARE
GEORGE GREENE HANCOCK
HARRISON JACKSON PEARL RIVER
PERRY STONE
$$
GMZ530-555-630-650-031340-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
LAKE PONTCHARTRAIN AND LAKE MAUREPAS
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
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #1 ON WW 258
VALID 031205Z - 031340Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 25 NW LFT TO
15 NE BTR TO 35 SW PIB TO 30 SE MEI.
..BROYLES..05/03/08
ATTN...WFO...MOB...LCH...LIX...JAN...
&&
STATUS REPORT FOR WT 258
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ALC023-097-129-031340-
AL
. ALABAMA COUNTIES INCLUDED ARE
CHOCTAW MOBILE WASHINGTON
$$
LAC001-005-007-033-045-047-051-055-057-063-071-075-087-089-093-
095-099-101-103-105-109-113-117-121-031340-
LA
. LOUISIANA PARISHES INCLUDED ARE
ACADIA ASCENSION ASSUMPTION
EAST BATON ROUGE IBERIA IBERVILLE
JEFFERSON LAFAYETTE LAFOURCHE
LIVINGSTON ORLEANS PLAQUEMINES
ST. BERNARD ST. CHARLES ST. JAMES
ST. JOHN THE BAPTIST ST. MARTIN ST. MARY
ST. TAMMANY TANGIPAHOA TERREBONNE
VERMILION WASHINGTON WEST BATON ROUGE
$$
MSC035-039-041-045-047-059-073-109-111-131-153-031340-
MS
. MISSISSIPPI COUNTIES INCLUDED ARE
FORREST GEORGE GREENE
HANCOCK HARRISON JACKSON
LAMAR PEARL RIVER PERRY
STONE WAYNE
$$
GMZ530-555-630-650-031340-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
LAKE PONTCHARTRAIN AND LAKE MAUREPAS
COASTAL WATERS FROM PASCAGOULA MS TO THE SOUTHWEST PASS OF THE
MISSISSIPPI RIVER OUT 20 NM
MOBILE BAY
COASTAL WATERS FROM PENSACOLA FL TO PASCAGOULA MS OUT 20 NM
$$
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 (50%)
|
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
|
Low (20%)
|
Hail
Probability of 10 or more severe hail events
|
Mod (30%)
|
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 (70%)
|
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.
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