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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.
SEL1
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 331
NWS STORM PREDICTION CENTER NORMAN OK
940 PM EDT TUE MAY 20 2008
THE NWS STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
CENTRAL GEORGIA
SOUTHEAST SOUTH CAROLINA
COASTAL WATERS
EFFECTIVE THIS TUESDAY NIGHT AND WEDNESDAY MORNING FROM 940 PM
UNTIL 300 AM EDT.
HAIL TO 1.5 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70
MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.
THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 35
STATUTE MILES NORTH AND SOUTH OF A LINE FROM 15 MILES SOUTH
SOUTHWEST OF LA GRANGE GEORGIA TO 15 MILES NORTHEAST OF SAVANNAH
GEORGIA. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU1).
REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE
FAVORABLE FOR 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. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY
DO PRODUCE TORNADOES.
OTHER WATCH INFORMATION...CONTINUE...WW 328...WW 329...WW 330...
DISCUSSION...LINE OF INTENSE THUNDERSTORMS IS SAGGING SOUTHWARD
ACROSS CENTRAL GA. BOWING SEGMENTS ALONG LINE WILL CONTINUE TO POSE
A RISK OF LOCALLY DAMAGING WINDS AND HAIL FOR ANOTHER FEW HOURS
BEFORE A GENERAL WEAKENING TREND IS EXPECTED.
AVIATION...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 450. MEAN STORM
MOTION VECTOR 29030.
...HART
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW1
WW 331 SEVERE TSTM GA SC CW 210140Z - 210700Z
AXIS..35 STATUTE MILES NORTH AND SOUTH OF LINE..
15SSW LGC/LA GRANGE GA/ - 15NE SAV/SAVANNAH GA/
..AVIATION COORDS.. 30NM N/S /15S LGC - 9NNE SAV/
HAIL SURFACE AND ALOFT..1.5 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 450. MEAN STORM MOTION VECTOR 29030.
LAT...LON 33318516 32798101 31788101 32298516
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU1.
Watch 331 Status Report Messages:
STATUS REPORT #3 ON WW 331
VALID 210425Z - 210540Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 25 SE CSG TO
35 ENE CSG TO 40 NW VDI TO 40 NE VDI TO 30 NNE SAV.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 960
..DIAL..05/21/08
ATTN...WFO...FFC...CHS...
&&
STATUS REPORT FOR WS 331
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
GAC023-029-031-043-051-091-093-103-107-109-153-175-193-197-209-
225-235-249-267-269-279-283-309-210540-
GA
. GEORGIA COUNTIES INCLUDED ARE
BLECKLEY BRYAN BULLOCH
CANDLER CHATHAM DODGE
DOOLY EFFINGHAM EMANUEL
EVANS HOUSTON LAURENS
MACON MARION MONTGOMERY
PEACH PULASKI SCHLEY
TATTNALL TAYLOR TOOMBS
TREUTLEN WHEELER
$$
SCC013-015-019-029-035-053-210540-
SC
. SOUTH CAROLINA COUNTIES INCLUDED ARE
BEAUFORT BERKELEY CHARLESTON
COLLETON DORCHESTER JASPER
$$
AMZ330-350-352-354-210540-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
CHARLESTON HARBOR
COASTAL WATERS FROM SOUTH SANTEE RIVER TO EDISTO BEACH SC OUT 20
NM
COASTAL WATERS FROM EDISTO BEACH SC TO SAVANNAH GA OUT 20 NM
COASTAL WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA OUT 20 NM
...INCLUDING GRAYS REEF NATIONAL MARINE SANCTUARY
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #2 ON WW 331
VALID 210335Z - 210440Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 20 NNE LGC
TO 25 ESE LGC TO 35 WNW MCN TO 15 WNW MCN TO MCN TO 30 E MCN TO
50 NNW VDI TO 40 N VDI TO 45 NE VDI TO 45 NW SAV TO 45 NNW SAV TO
50 N SAV.
..DIAL..05/21/08
ATTN...WFO...FFC...CHS...
&&
STATUS REPORT FOR WS 331
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
GAC023-029-031-043-051-053-079-091-093-103-107-109-145-153-167-
175-193-197-209-215-225-235-249-263-267-269-279-283-285-289-309-
210440-
GA
. GEORGIA COUNTIES INCLUDED ARE
BLECKLEY BRYAN BULLOCH
CANDLER CHATHAM CHATTAHOOCHEE
CRAWFORD DODGE DOOLY
EFFINGHAM EMANUEL EVANS
HARRIS HOUSTON JOHNSON
LAURENS MACON MARION
MONTGOMERY MUSCOGEE PEACH
PULASKI SCHLEY TALBOT
TATTNALL TAYLOR TOOMBS
TREUTLEN TROUP TWIGGS
WHEELER
$$
SCC013-015-019-029-035-049-053-210440-
SC
. SOUTH CAROLINA COUNTIES INCLUDED ARE
BEAUFORT BERKELEY CHARLESTON
COLLETON DORCHESTER HAMPTON
JASPER
$$
AMZ330-350-352-354-210440-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
CHARLESTON HARBOR
COASTAL WATERS FROM SOUTH SANTEE RIVER TO EDISTO BEACH SC OUT 20
NM
COASTAL WATERS FROM EDISTO BEACH SC TO SAVANNAH GA OUT 20 NM
COASTAL WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA OUT 20 NM
...INCLUDING GRAYS REEF NATIONAL MARINE SANCTUARY
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #1 ON WW 331
VALID 210240Z - 210340Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 20 NE LGC TO
25 NW MCN TO 50 ENE MCN.
..SMITH..05/21/08
ATTN...WFO...FFC...CHS...
&&
STATUS REPORT FOR WS 331
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
GAC009-021-023-029-031-043-051-053-079-091-093-103-107-109-145-
153-163-165-167-169-175-193-197-199-209-215-225-231-235-249-251-
263-267-269-279-283-285-289-293-303-309-319-210340-
GA
. GEORGIA COUNTIES INCLUDED ARE
BALDWIN BIBB BLECKLEY
BRYAN BULLOCH CANDLER
CHATHAM CHATTAHOOCHEE CRAWFORD
DODGE DOOLY EFFINGHAM
EMANUEL EVANS HARRIS
HOUSTON JEFFERSON JENKINS
JOHNSON JONES LAURENS
MACON MARION MERIWETHER
MONTGOMERY MUSCOGEE PEACH
PIKE PULASKI SCHLEY
SCREVEN TALBOT TATTNALL
TAYLOR TOOMBS TREUTLEN
TROUP TWIGGS UPSON
WASHINGTON WHEELER WILKINSON
$$
SCC005-013-015-019-029-035-049-053-210340-
SC
. SOUTH CAROLINA COUNTIES INCLUDED ARE
ALLENDALE BEAUFORT BERKELEY
CHARLESTON COLLETON DORCHESTER
HAMPTON JASPER
$$
AMZ330-350-352-354-210340-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
CHARLESTON HARBOR
COASTAL WATERS FROM SOUTH SANTEE RIVER TO EDISTO BEACH SC OUT 20
NM
COASTAL WATERS FROM EDISTO BEACH SC TO SAVANNAH GA OUT 20 NM
COASTAL WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA OUT 20 NM
...INCLUDING GRAYS REEF NATIONAL MARINE SANCTUARY
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
Note:
Click for Complete Product Text.
Tornadoes
Probability of 2 or more tornadoes
|
Low (10%)
|
Probability of 1 or more strong (F2-F5) tornadoes
|
Low (5%)
|
Wind
Probability of 10 or more severe wind events
|
Mod (40%)
|
Probability of 1 or more wind events > 65 knots
|
Mod (30%)
|
Hail
Probability of 10 or more severe hail events
|
Mod (40%)
|
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 (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.