Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Note: Click for
Watch Status Reports.
SEL3
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 243
NWS STORM PREDICTION CENTER NORMAN OK
740 PM EDT MON MAY 4 2009
THE NWS STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
SOUTHEAST NORTH CAROLINA
EASTERN SOUTH CAROLINA
COASTAL WATERS
EFFECTIVE THIS MONDAY EVENING FROM 740 PM UNTIL 1100 PM EDT.
HAIL TO 2 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 45
STATUTE MILES EITHER SIDE OF A LINE FROM 40 MILES WEST SOUTHWEST
OF CHARLESTON SOUTH CAROLINA TO 35 MILES EAST SOUTHEAST OF
GOLDSBORO NORTH CAROLINA. FOR A COMPLETE DEPICTION OF THE WATCH
SEE THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU3).
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 241...WW 242...
DISCUSSION...A FAST-MOVING BOW ECHO CONTINUES TO TRACK NORTHEASTWARD
INTO SOUTHEAST NC...AND WILL POSE A RISK OF DAMAGING WINDS FOR
ANOTHER FEW HOURS ACROSS THIS REGION. MEANWHILE...ISOLATED
SUPERCELL STORMS PERSIST OVER EASTERN SC AS STORMS INTERACT WITH SEA
BREEZE. THREAT SHOULD SLOWLY DIMINISH THROUGH 03Z AS DAYTIME
COOLING BEGINS.
AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM
MOTION VECTOR 24030.
...HART
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW3
WW 243 SEVERE TSTM NC SC CW 042340Z - 050300Z
AXIS..45 STATUTE MILES EITHER SIDE OF LINE..
40WSW CHS/CHARLESTON SC/ - 35ESE GSB/GOLDSBORO NC/
..AVIATION COORDS.. 40NM EITHER SIDE /34WSW CHS - 59NNE ILM/
HAIL SURFACE AND ALOFT..2 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 500. MEAN STORM MOTION VECTOR 24030.
LAT...LON 33188116 35757790 34757690 32168018
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU3.
Watch 243 Status Report Messages:
STATUS REPORT #2 ON WW 243
VALID 050135Z - 050240Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 55 S CRE TO
25 ENE CAE.
..HURLBUT..05/05/09
ATTN...WFO...ILM...MHX...RAH...CHS...
&&
STATUS REPORT FOR WS 243
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
NCC017-019-047-049-061-077-079-083-103-107-129-133-141-145-147-
155-181-185-050240-
NC
. NORTH CAROLINA COUNTIES INCLUDED ARE
BLADEN BRUNSWICK COLUMBUS
CRAVEN DUPLIN GRANVILLE
GREENE HALIFAX JONES
LENOIR NEW HANOVER ONSLOW
PENDER PERSON PITT
ROBESON VANCE WARREN
$$
SCC033-041-043-051-067-089-050240-
SC
. SOUTH CAROLINA COUNTIES INCLUDED ARE
DILLON FLORENCE GEORGETOWN
HORRY MARION WILLIAMSBURG
$$
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.
$$
STATUS REPORT #1 ON WW 243
VALID 050045Z - 050140Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..HURLBUT..05/05/09
ATTN...WFO...ILM...MHX...RAH...CHS...
&&
STATUS REPORT FOR WS 243
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
NCC017-019-047-049-051-061-079-101-103-107-129-133-141-147-155-
163-191-195-050140-
NC
. NORTH CAROLINA COUNTIES INCLUDED ARE
BLADEN BRUNSWICK COLUMBUS
CRAVEN CUMBERLAND DUPLIN
GREENE JOHNSTON JONES
LENOIR NEW HANOVER ONSLOW
PENDER PITT ROBESON
SAMPSON WAYNE WILSON
$$
SCC015-019-029-033-035-041-043-051-067-089-050140-
SC
. SOUTH CAROLINA COUNTIES INCLUDED ARE
BERKELEY CHARLESTON COLLETON
DILLON DORCHESTER FLORENCE
GEORGETOWN HORRY MARION
WILLIAMSBURG
$$
AMZ330-050140-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
CHARLESTON HARBOR
$$
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 (20%)
|
Probability of 1 or more strong (F2-F5) tornadoes
|
Low (5%)
|
Wind
Probability of 10 or more severe wind events
|
Mod (30%)
|
Probability of 1 or more wind events > 65 knots
|
Mod (30%)
|
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 (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.
weather.gov 
