Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Note: Click for
Watch Status Reports.
SEL6
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 26
NWS STORM PREDICTION CENTER NORMAN OK
805 PM EST WED FEB 18 2009
THE NWS STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
SOUTHEAST GEORGIA
SOUTHERN SOUTH CAROLINA
COASTAL WATERS
EFFECTIVE THIS WEDNESDAY NIGHT AND THURSDAY MORNING FROM 805 PM
UNTIL 300 AM EST.
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 75
STATUTE MILES EAST AND WEST OF A LINE FROM 50 MILES NORTHWEST OF
CHARLESTON SOUTH CAROLINA TO 60 MILES SOUTHWEST OF SAVANNAH
GEORGIA. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU6).
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 24...WW 25...
DISCUSSION...CLUSTERS OF THUNDERSTORMS WILL TRACK EASTWARD ACROSS GA
AND INTO WATCH AREA THIS EVENING AND TONIGHT. DEWPOINTS ARE SLOWLY
INCREASING ACROSS THIS REGION...WHICH WILL HELP TO MAINTAIN
POTENTIAL FOR ISOLATED STRONG/SEVERE STORMS. LOW LEVEL INVERSION
WILL LIMIT TORNADO THREAT...BUT LARGE HAIL WILL BE POSSIBLE FOR
SEVERAL MORE HOURS.
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 27035.
...HART
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW6
WW 26 SEVERE TSTM GA SC CW 190105Z - 190800Z
AXIS..75 STATUTE MILES EAST AND WEST OF LINE..
50NW CHS/CHARLESTON SC/ - 60SW SAV/SAVANNAH GA/
..AVIATION COORDS.. 65NM E/W /34SE CAE - 30E AMG/
HAIL SURFACE AND ALOFT..1.5 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 450. MEAN STORM MOTION VECTOR 27035.
LAT...LON 33407933 31518065 31518319 33408194
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU6.
Watch 26 Status Report Messages:
STATUS REPORT #3 ON WW 26
VALID 190650Z - 190740Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..PETERS..02/19/09
ATTN...WFO...CHS...
&&
STATUS REPORT FOR WS 26
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
GAC029-031-043-051-103-109-165-179-183-191-251-267-190740-
GA
. GEORGIA COUNTIES INCLUDED ARE
BRYAN BULLOCH CANDLER
CHATHAM EFFINGHAM EVANS
JENKINS LIBERTY LONG
MCINTOSH SCREVEN TATTNALL
$$
SCC005-013-015-019-029-035-049-053-190740-
SC
. SOUTH CAROLINA COUNTIES INCLUDED ARE
ALLENDALE BEAUFORT BERKELEY
CHARLESTON COLLETON DORCHESTER
HAMPTON JASPER
$$
AMZ330-350-352-354-190740-
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 26
VALID 190510Z - 190640Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 133
..GUYER..02/19/09
ATTN...WFO...CHS...
&&
STATUS REPORT FOR WS 26
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
GAC029-031-043-051-103-109-165-179-183-191-251-267-190640-
GA
. GEORGIA COUNTIES INCLUDED ARE
BRYAN BULLOCH CANDLER
CHATHAM EFFINGHAM EVANS
JENKINS LIBERTY LONG
MCINTOSH SCREVEN TATTNALL
$$
SCC005-013-015-019-029-035-049-053-190640-
SC
. SOUTH CAROLINA COUNTIES INCLUDED ARE
ALLENDALE BEAUFORT BERKELEY
CHARLESTON COLLETON DORCHESTER
HAMPTON JASPER
$$
AMZ330-350-352-354-190640-
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 26
VALID 190240Z - 190340Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..GUYER..02/19/09
ATTN...WFO...CHS...
&&
STATUS REPORT FOR WS 26
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
GAC029-031-043-051-103-109-165-179-183-191-251-267-190340-
GA
. GEORGIA COUNTIES INCLUDED ARE
BRYAN BULLOCH CANDLER
CHATHAM EFFINGHAM EVANS
JENKINS LIBERTY LONG
MCINTOSH SCREVEN TATTNALL
$$
SCC005-013-015-019-029-035-049-053-190340-
SC
. SOUTH CAROLINA COUNTIES INCLUDED ARE
ALLENDALE BEAUFORT BERKELEY
CHARLESTON COLLETON DORCHESTER
HAMPTON JASPER
$$
AMZ330-350-352-354-190340-
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 (20%)
|
Probability of 1 or more strong (F2-F5) tornadoes
|
Low (5%)
|
Wind
Probability of 10 or more severe wind events
|
Low (20%)
|
Probability of 1 or more wind events > 65 knots
|
Low (10%)
|
Hail
Probability of 10 or more severe hail events
|
Low (20%)
|
Probability
of 1 or
more hailstones > 2 inches
|
Low (10%)
|
Combined Severe Hail/Wind
Probability of 6 or more combined severe hail/wind events
|
Mod (40%)
|
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.