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
TORNADO WATCH NUMBER 26
NWS STORM PREDICTION CENTER NORMAN OK
855 PM EST WED JAN 30 2013
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
SOUTHEASTERN GEORGIA
COASTAL SOUTH CAROLINA
COASTAL WATERS
EFFECTIVE THIS WEDNESDAY NIGHT AND THURSDAY MORNING FROM 855 PM
UNTIL 100 AM EST.
TORNADOES...HAIL TO 0.5 INCH IN DIAMETER...THUNDERSTORM WIND
GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE
AREAS.
THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 55 STATUTE
MILES EAST AND WEST OF A LINE FROM 55 MILES NORTH NORTHEAST OF
CHARLESTON SOUTH CAROLINA TO 55 MILES SOUTH SOUTHWEST OF SAVANNAH
GEORGIA. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU6).
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 23...WW 24...WW 25...
DISCUSSION...EXISTING SSW/NNE SQLN WILL CONTINUE ENE INTO MOIST BUT
GRADUALLY STABILIZING LOW-LVL ENVIRONMENT...SUPPORTED IN PART BY
ASCENT ASSOCIATED WITH SRN FRINGE OF EJECTING TN VLY UPR TROUGH.
STRENGTH OF WIND FIELD AND LIKELIHOOD FOR ONLY SLOW WEAKENING OF
EXISTING CONVECTION SUGGESTS A CONTINUED RISK FOR LOCALLY DMGG WIND
AND POSSIBLY A TORNADO FROM THE LWR SAVANNAH RVR VLY OF GA/SC E/NE
ACROSS THE SC CSTL PLN.
AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 0.5 INCH. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
350. MEAN STORM MOTION VECTOR 23050.
...CORFIDI
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 TORNADO GA SC CW 310155Z - 310600Z
AXIS..55 STATUTE MILES EAST AND WEST OF LINE..
55NNE CHS/CHARLESTON SC/ - 55SSW SAV/SAVANNAH GA/
..AVIATION COORDS.. 50NM E/W /36S FLO - 50E AMG/
HAIL SURFACE AND ALOFT..0.5 INCH. WIND GUSTS..60 KNOTS.
MAX TOPS TO 350. MEAN STORM MOTION VECTOR 23050.
LAT...LON 33637870 31388062 31388248 33638062
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 #1 ON WW 26
VALID 310240Z - 310340Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..GUYER..01/31/13
ATTN...WFO...CHS...
&&
STATUS REPORT FOR WT 26
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
GAC029-051-103-179-183-191-310340-
GA
. GEORGIA COUNTIES INCLUDED ARE
BRYAN CHATHAM EFFINGHAM
LIBERTY LONG MCINTOSH
$$
SCC013-015-019-029-035-049-053-310340-
SC
. SOUTH CAROLINA COUNTIES INCLUDED ARE
BEAUFORT BERKELEY CHARLESTON
COLLETON DORCHESTER HAMPTON
JASPER
$$
AMZ330-350-352-354-310340-
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
|
Mod (30%)
|
Probability of 1 or more strong (F2-F5) tornadoes
|
Low (10%)
|
Wind
Probability of 10 or more severe wind events
|
High (70%)
|
Probability of 1 or more wind events > 65 knots
|
Low (20%)
|
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
|
High (90%)
|
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.