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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.
SEL3
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 273
NWS STORM PREDICTION CENTER NORMAN OK
635 PM EDT FRI MAY 8 2009
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
NORTHEAST GEORGIA
WESTERN NORTH CAROLINA
WESTERN SOUTH CAROLINA
NORTHEAST TENNESSEE
SOUTHWEST VIRGINIA
SOUTHERN WEST VIRGINIA
EFFECTIVE THIS FRIDAY NIGHT AND SATURDAY MORNING FROM 635 PM
UNTIL 200 AM EDT.
TORNADOES...HAIL TO 1 INCH IN DIAMETER...THUNDERSTORM WIND GUSTS
TO 60 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.
THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 60 STATUTE
MILES EAST AND WEST OF A LINE FROM 15 MILES EAST NORTHEAST OF
BLUEFIELD WEST VIRGINIA TO 45 MILES WEST SOUTHWEST OF GREENVILLE
SOUTH CAROLINA. 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 268...WW 270...WW
271...WW 272...
DISCUSSION...CHANCE FOR ISOLD TORNADOES MAY PERSIST WITH
SEMI-DISCRETE STORMS/WEAK SUPERCELLS MOVING GENERALLY E WITH STRONG
WLY CURRENT ON S SIDE OF MCV IN NE KY. LOW-LVL LAPSE RATES WILL
REMAIN LIMITED. BUT PRESENCE OF EXISTING STORMS IN WHAT WILL BECOME
AN INCREASINGLY SHEARED ENVIRONMENT MAY PROVE SUFFICIENT TO ENHANCE
STORM ROTATION ...AND AN ISOLD TORNADO/SVR WIND AND HAIL THREAT.
AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 1 INCH. EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 50 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 450.
MEAN STORM MOTION VECTOR 27035.
...CORFIDI
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW3
WW 273 TORNADO GA NC SC TN VA WV 082235Z - 090600Z
AXIS..60 STATUTE MILES EAST AND WEST OF LINE..
15ENE BLF/BLUEFIELD WV/ - 45WSW GSP/GREENVILLE SC/
..AVIATION COORDS.. 50NM E/W /20NNW PSK - 17E ODF/
HAIL SURFACE AND ALOFT..1 INCH. WIND GUSTS..50 KNOTS.
MAX TOPS TO 450. MEAN STORM MOTION VECTOR 27035.
LAT...LON 37367984 34638190 34638401 37368204
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU3.
Watch 273 Status Report Messages:
STATUS REPORT #4 ON WW 273
VALID 090345Z - 090440Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 40 NE HKY TO
25 WSW TRI.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 773
..GUYER..05/09/09
ATTN...WFO...GSP...RNK...MRX...RLX...
&&
STATUS REPORT FOR WT 273
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
NCC005-009-171-189-193-090440-
NC
. NORTH CAROLINA COUNTIES INCLUDED ARE
ALLEGHANY ASHE SURRY
WATAUGA WILKES
$$
TNC019-073-091-163-090440-
TN
. TENNESSEE COUNTIES INCLUDED ARE
CARTER HAWKINS JOHNSON
SULLIVAN
$$
VAC021-035-071-077-155-167-169-173-185-191-197-520-640-090440-
VA
. VIRGINIA COUNTIES INCLUDED ARE
BLAND CARROLL GILES
GRAYSON PULASKI RUSSELL
SCOTT SMYTH TAZEWELL
WASHINGTON WYTHE
VIRGINIA INDEPENDENT CITIES INCLUDED ARE
BRISTOL GALAX
$$
WVC045-047-055-059-109-090440-
WV
. WEST VIRGINIA COUNTIES INCLUDED ARE
LOGAN MCDOWELL MERCER
MINGO WYOMING
$$
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.
$$
STATUS REPORT #3 ON WW 273
VALID 090230Z - 090340Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 35 NE HKY TO
20 NW HSS.
..GUYER..05/09/09
ATTN...WFO...GSP...RNK...MRX...RLX...
&&
STATUS REPORT FOR WT 273
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
NCC005-009-171-189-193-090340-
NC
. NORTH CAROLINA COUNTIES INCLUDED ARE
ALLEGHANY ASHE SURRY
WATAUGA WILKES
$$
TNC019-029-059-073-091-163-171-179-090340-
TN
. TENNESSEE COUNTIES INCLUDED ARE
CARTER COCKE GREENE
HAWKINS JOHNSON SULLIVAN
UNICOI WASHINGTON
$$
VAC021-035-071-077-155-167-169-173-185-191-197-520-640-090340-
VA
. VIRGINIA COUNTIES INCLUDED ARE
BLAND CARROLL GILES
GRAYSON PULASKI RUSSELL
SCOTT SMYTH TAZEWELL
WASHINGTON WYTHE
VIRGINIA INDEPENDENT CITIES INCLUDED ARE
BRISTOL GALAX
$$
WVC045-047-055-059-109-090340-
WV
. WEST VIRGINIA COUNTIES INCLUDED ARE
LOGAN MCDOWELL MERCER
MINGO WYOMING
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #2 ON WW 273
VALID 090145Z - 090240Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 30 ENE HKY
TO 15 NW HSS.
..GUYER..05/09/09
ATTN...WFO...GSP...RNK...MRX...RLX...
&&
STATUS REPORT FOR WT 273
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
NCC005-009-171-189-193-090240-
NC
. NORTH CAROLINA COUNTIES INCLUDED ARE
ALLEGHANY ASHE SURRY
WATAUGA WILKES
$$
TNC019-029-059-073-091-163-171-179-090240-
TN
. TENNESSEE COUNTIES INCLUDED ARE
CARTER COCKE GREENE
HAWKINS JOHNSON SULLIVAN
UNICOI WASHINGTON
$$
VAC021-035-071-077-155-167-169-173-185-191-197-520-640-750-
090240-
VA
. VIRGINIA COUNTIES INCLUDED ARE
BLAND CARROLL GILES
GRAYSON PULASKI RUSSELL
SCOTT SMYTH TAZEWELL
WASHINGTON WYTHE
VIRGINIA INDEPENDENT CITIES INCLUDED ARE
BRISTOL GALAX RADFORD
$$
WVC045-047-055-059-109-090240-
WV
. WEST VIRGINIA COUNTIES INCLUDED ARE
LOGAN MCDOWELL MERCER
MINGO WYOMING
$$
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.
$$
STATUS REPORT #1 ON WW 273
VALID 082335Z - 090040Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..GUYER..05/08/09
ATTN...WFO...GSP...RNK...MRX...RLX...
&&
STATUS REPORT FOR WT 273
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
GAC119-137-147-241-257-090040-
GA
. GEORGIA COUNTIES INCLUDED ARE
FRANKLIN HABERSHAM HART
RABUN STEPHENS
$$
NCC003-005-009-011-021-023-027-035-045-075-087-089-099-111-113-
115-121-149-161-171-173-175-189-193-199-090040-
NC
. NORTH CAROLINA COUNTIES INCLUDED ARE
ALEXANDER ALLEGHANY ASHE
AVERY BUNCOMBE BURKE
CALDWELL CATAWBA CLEVELAND
GRAHAM HAYWOOD HENDERSON
JACKSON MCDOWELL MACON
MADISON MITCHELL POLK
RUTHERFORD SURRY SWAIN
TRANSYLVANIA WATAUGA WILKES
YANCEY
$$
SCC001-007-021-045-059-073-077-083-087-090040-
SC
. SOUTH CAROLINA COUNTIES INCLUDED ARE
ABBEVILLE ANDERSON CHEROKEE
GREENVILLE LAURENS OCONEE
PICKENS SPARTANBURG UNION
$$
TNC019-029-059-073-091-163-171-179-090040-
TN
. TENNESSEE COUNTIES INCLUDED ARE
CARTER COCKE GREENE
HAWKINS JOHNSON SULLIVAN
UNICOI WASHINGTON
$$
VAC021-035-071-077-155-167-169-173-185-191-197-520-640-750-
090040-
VA
. VIRGINIA COUNTIES INCLUDED ARE
BLAND CARROLL GILES
GRAYSON PULASKI RUSSELL
SCOTT SMYTH TAZEWELL
WASHINGTON WYTHE
VIRGINIA INDEPENDENT CITIES INCLUDED ARE
BRISTOL GALAX RADFORD
$$
WVC045-047-055-059-109-090040-
WV
. WEST VIRGINIA COUNTIES INCLUDED ARE
LOGAN MCDOWELL MERCER
MINGO WYOMING
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
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 (20%)
|
Wind
Probability of 10 or more severe wind events
|
Mod (30%)
|
Probability of 1 or more wind events > 65 knots
|
Low (<5%)
|
Hail
Probability of 10 or more severe hail events
|
Mod (30%)
|
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 (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.