Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
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Watch Status Reports.
SEL2
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 382
NWS STORM PREDICTION CENTER NORMAN OK
620 PM EDT THU JUN 11 2009
THE NWS STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
CENTRAL AND EASTERN NORTH CAROLINA
EASTERN SOUTH CAROLINA
COASTAL WATERS
EFFECTIVE THIS THURSDAY NIGHT FROM 620 PM UNTIL MIDNIGHT 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 60
STATUTE MILES EAST AND WEST OF A LINE FROM 20 MILES WEST
NORTHWEST OF ROANOKE RAPIDS NORTH CAROLINA TO CHARLESTON SOUTH
CAROLINA. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU2).
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 375...WW 376...WW
378...WW 379...WW 380...WW 381...
DISCUSSION...BAND OF TSTMS HAS FORMED OVER PIEDMONT NC SWD INTO WRN
PARTS OF THE SC CSTL PLN. THIS BAND APPEARS TO MARK AN AXIS OF
CONFLUENCE IN ENHANCED WSW FLOW ON S SIDE OF SW VA MCV. GIVEN
DEGREE OF INSTABILITY AHEAD OF BAND...AND MODERATE/DEEP
UNIDIRECTIONAL FLOW PER AREA VWPS...SETUP LOOKS FAVORABLE FOR SMALL
BOWING SEGMENTS WITH DMGG WIND AND SCTD HAIL.
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 500. 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.
SAW2
WW 382 SEVERE TSTM NC SC CW 112220Z - 120400Z
AXIS..60 STATUTE MILES EAST AND WEST OF LINE..
20WNW RZZ/ROANOKE RAPIDS NC/ - CHS/CHARLESTON SC/
..AVIATION COORDS.. 50NM E/W /54NE RDU - 1NE CHS/
HAIL SURFACE AND ALOFT..1.5 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 500. MEAN STORM MOTION VECTOR 27035.
LAT...LON 36547695 32907900 32908105 36547912
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU2.
Watch 382 Status Report Messages:
STATUS REPORT #2 ON WW 382
VALID 120235Z - 120340Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 5 NNW CHS TO
35 SSE FAY TO 25 WNW GSB TO 15 E DAN.
..GUYER..06/12/09
ATTN...WFO...ILM...RAH...MHX...CHS...CAE...
&&
STATUS REPORT FOR WS 382
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
NCC017-047-061-063-065-069-077-079-083-101-107-117-127-145-147-
163-181-183-185-191-195-120340-
NC
. NORTH CAROLINA COUNTIES INCLUDED ARE
BLADEN COLUMBUS DUPLIN
DURHAM EDGECOMBE FRANKLIN
GRANVILLE GREENE HALIFAX
JOHNSTON LENOIR MARTIN
NASH PERSON PITT
SAMPSON VANCE WAKE
WARREN WAYNE WILSON
$$
SCC019-043-051-120340-
SC
. SOUTH CAROLINA COUNTIES INCLUDED ARE
CHARLESTON GEORGETOWN HORRY
$$
AMZ330-120340-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
CHARLESTON HARBOR
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #1 ON WW 382
VALID 112330Z - 120040Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..GRAMS..06/11/09
ATTN...WFO...ILM...RAH...MHX...CHS...CAE...
&&
STATUS REPORT FOR WS 382
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
NCC017-037-047-051-061-063-065-069-077-079-083-085-093-101-105-
107-117-127-135-145-147-155-163-165-181-183-185-191-195-
120040-
NC
. NORTH CAROLINA COUNTIES INCLUDED ARE
BLADEN CHATHAM COLUMBUS
CUMBERLAND DUPLIN DURHAM
EDGECOMBE FRANKLIN GRANVILLE
GREENE HALIFAX HARNETT
HOKE JOHNSTON LEE
LENOIR MARTIN NASH
ORANGE PERSON PITT
ROBESON SAMPSON SCOTLAND
VANCE WAKE WARREN
WAYNE WILSON
$$
SCC015-019-027-029-031-033-035-041-043-051-067-069-075-089-
120040-
SC
. SOUTH CAROLINA COUNTIES INCLUDED ARE
BERKELEY CHARLESTON CLARENDON
COLLETON DARLINGTON DILLON
DORCHESTER FLORENCE GEORGETOWN
HORRY MARION MARLBORO
ORANGEBURG WILLIAMSBURG
$$
AMZ330-120040-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
CHARLESTON HARBOR
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
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 (<2%)
|
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
|
Mod (30%)
|
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 (>95%)
|
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.
weather.gov 
