Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Note: Click for
Watch Status Reports.
SEL3
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 303
NWS STORM PREDICTION CENTER NORMAN OK
1005 PM CDT SAT MAY 10 2008
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
NORTHERN LOUISIANA
CENTRAL MISSISSIPPI
EFFECTIVE THIS SATURDAY NIGHT AND SUNDAY MORNING FROM 1005 PM
UNTIL 400 AM CDT.
TORNADOES...HAIL TO 2.5 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 40 STATUTE
MILES NORTH AND SOUTH OF A LINE FROM 85 MILES WEST OF MONROE
LOUISIANA TO 35 MILES SOUTH SOUTHEAST OF COLUMBUS MISSISSIPPI.
FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
OUTLINE UPDATE (WOUS64 KWNS WOU3).
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 298...WW 299...WW
300...WW 301...WW 302...
DISCUSSION...INTENSE THUNDERSTORMS...LIKELY IN THE FORM OF
SUPERCELLS AND/OR SMALL BOWING SEGMENTS...WILL CONTINUE ALONG
SURFACE OUTFLOW BOUNDARY/FRONT NOW MOVING SSEWD INTO THE REGION. A
VERY UNSTABLE AIR MASS REMAINS IN PLACE ALONG WITH SUBSTANTIAL LOW
AND DEEP LAYER SHEAR. TORNADO POTENTIAL WILL ACCOMPANY THESE
STORMS...ALONG WITH THREATS OF LARGE HAIL AND DAMAGING WINDS.
AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2.5 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
500. MEAN STORM MOTION VECTOR 28035.
...EVANS
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW3
WW 303 TORNADO LA MS 110305Z - 110900Z
AXIS..40 STATUTE MILES NORTH AND SOUTH OF LINE..
85W MLU/MONROE LA/ - 35SSE CBM/COLUMBUS MS/
..AVIATION COORDS.. 35NM N/S /22SE EIC - 24SE IGB/
HAIL SURFACE AND ALOFT..2.5 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 500. MEAN STORM MOTION VECTOR 28035.
LAT...LON 33099348 33748822 32588822 31939348
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU3.
Watch 303 Status Report Messages:
STATUS REPORT #2 ON WW 303
VALID 110740Z - 110840Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 35 E JAN TO
10 N CBM.
..GUYER..05/11/08
ATTN...WFO...SHV...JAN...
&&
STATUS REPORT FOR WT 303
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
MSC025-069-075-087-101-103-105-110840-
MS
. MISSISSIPPI COUNTIES INCLUDED ARE
CLAY KEMPER LAUDERDALE
LOWNDES NEWTON NOXUBEE
OKTIBBEHA
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #1 ON WW 303
VALID 110445Z - 110540Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..RACY..05/11/08
ATTN...WFO...SHV...JAN...
&&
STATUS REPORT FOR WT 303
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
LAC013-021-027-035-041-049-061-065-067-073-083-107-111-119-123-
110540-
LA
. LOUISIANA PARISHES INCLUDED ARE
BIENVILLE CALDWELL CLAIBORNE
EAST CARROLL FRANKLIN JACKSON
LINCOLN MADISON MOREHOUSE
OUACHITA RICHLAND TENSAS
UNION WEBSTER WEST CARROLL
$$
MSC007-019-025-049-055-069-075-079-087-089-097-099-101-103-105-
121-123-125-149-155-159-163-110540-
MS
. MISSISSIPPI COUNTIES INCLUDED ARE
ATTALA CHOCTAW CLAY
HINDS ISSAQUENA KEMPER
LAUDERDALE LEAKE LOWNDES
MADISON MONTGOMERY NESHOBA
NEWTON NOXUBEE OKTIBBEHA
RANKIN SCOTT SHARKEY
WARREN WEBSTER WINSTON
YAZOO
$$
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
|
Mod (40%)
|
Probability of 1 or more strong (F2-F5) tornadoes
|
Mod (30%)
|
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
|
Mod (50%)
|
Probability
of 1 or
more hailstones > 2 inches
|
Mod (30%)
|
Combined Severe Hail/Wind
Probability of 6 or more combined severe hail/wind events
|
High (80%)
|
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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