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
TORNADO WATCH NUMBER 252
NWS STORM PREDICTION CENTER NORMAN OK
850 AM EDT THU APR 28 2011
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
SOUTHEAST GEORGIA
EASTERN NORTH CAROLINA
EASTERN SOUTH CAROLINA
COASTAL WATERS
EFFECTIVE THIS THURSDAY MORNING AND AFTERNOON FROM 850 AM UNTIL
400 PM EDT.
TORNADOES...HAIL TO 1.5 INCHES IN DIAMETER...THUNDERSTORM WIND
GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE
AREAS.
THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 70 STATUTE
MILES EAST AND WEST OF A LINE FROM 15 MILES SOUTH OF SAVANNAH
GEORGIA TO 75 MILES NORTHEAST OF NEW BERN NORTH CAROLINA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
UPDATE (WOUS64 KWNS WOU2).
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 249...WW 250...WW 251...
DISCUSSION...BROKEN BAND OF PRE-FRONTAL CONVECTION WILL PERSIST FOR
THE NEXT FEW HOURS...WITH ADDITIONAL DEVELOPMENT POSSIBLE CLOSER TO
THE COAST AS DAYTIME HEATING PROCEEDS. THE ENVIRONMENT IS EXPECTED
TO REMAIN MODERATELY UNSTABLE /MLCAPE AOA 1500 J PER KG/...WITH
SUFFICIENT VERTICAL SHEAR TO MAINTAIN A THREAT FOR DAMAGING
WINDS/LARGE HAIL...AS WELL AS A COUPLE OF TORNADOES WITH EMBEDDED
SUPERCELLS/BOWS.
AVIATION...TORNADOES AND 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 24035.
...THOMPSON
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW2
WW 252 TORNADO GA NC SC CW 281250Z - 282000Z
AXIS..70 STATUTE MILES EAST AND WEST OF LINE..
15S SAV/SAVANNAH GA/ - 75NE EWN/NEW BERN NC/
..AVIATION COORDS.. 60NM E/W /16SSW SAV - 25S ECG/
HAIL SURFACE AND ALOFT..1.5 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 500. MEAN STORM MOTION VECTOR 24035.
LAT...LON 31908238 35837734 35837484 31908001
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU2.
Watch 252 Status Report Messages:
STATUS REPORT #3 ON WW 252
VALID 281835Z - 281940Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..GARNER..04/28/11
ATTN...WFO...CHS...MHX...ILM...
&&
STATUS REPORT FOR WT 252
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
NCC013-017-019-031-047-049-055-061-079-095-103-107-117-129-133-
137-141-147-155-177-187-281940-
NC
. NORTH CAROLINA COUNTIES INCLUDED ARE
BEAUFORT BLADEN BRUNSWICK
CARTERET COLUMBUS CRAVEN
DARE DUPLIN GREENE
HYDE JONES LENOIR
MARTIN NEW HANOVER ONSLOW
PAMLICO PENDER PITT
ROBESON TYRRELL WASHINGTON
$$
SCC013-015-019-029-031-033-035-041-043-051-067-069-089-281940-
SC
. SOUTH CAROLINA COUNTIES INCLUDED ARE
BEAUFORT BERKELEY CHARLESTON
COLLETON DARLINGTON DILLON
DORCHESTER FLORENCE GEORGETOWN
HORRY MARION MARLBORO
WILLIAMSBURG
$$
AMZ130-135-150-152-154-156-158-250-252-254-256-330-350-352-
281940-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
ALBEMARLE SOUND
PAMLICO SOUND
COASTAL WATERS FROM CURRITUCK BEACH LIGHT TO OREGON INLET NC OUT
20 NM
COASTAL WATERS FROM OREGON INLET TO CAPE HATTERAS NC OUT 20 NM
COASTAL WATERS FROM CAPE HATTERAS TO OCRACOKE INLET NC OUT 20 NM
COASTAL WATERS FROM OCRACOKE INLET TO CAPE LOOKOUT NC OUT 20 NM
COASTAL WATERS FROM CAPE LOOKOUT TO SURF CITY NC OUT 20 NM
COASTAL WATERS FROM SURF CITY TO CAPE FEAR NC OUT 20 NM
COASTAL WATERS FROM CAPE FEAR NC TO LITTLE RIVER INLET SC OUT 20
NM
COASTAL WATERS FROM LITTLE RIVER INLET TO MURRELLS INLET SC OUT
20 NM
COASTAL WATERS FROM MURRELLS INLET TO SOUTH SANTEE RIVER SC OUT
20 NM
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
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #2 ON WW 252
VALID 281745Z - 281840Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..GARNER..04/28/11
ATTN...WFO...CHS...MHX...ILM...
&&
STATUS REPORT FOR WT 252
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
GAC029-031-043-051-103-109-165-179-183-191-251-267-281840-
GA
. GEORGIA COUNTIES INCLUDED ARE
BRYAN BULLOCH CANDLER
CHATHAM EFFINGHAM EVANS
JENKINS LIBERTY LONG
MCINTOSH SCREVEN TATTNALL
$$
NCC013-017-019-031-047-049-055-061-079-095-103-107-117-129-133-
137-141-147-155-177-187-281840-
NC
. NORTH CAROLINA COUNTIES INCLUDED ARE
BEAUFORT BLADEN BRUNSWICK
CARTERET COLUMBUS CRAVEN
DARE DUPLIN GREENE
HYDE JONES LENOIR
MARTIN NEW HANOVER ONSLOW
PAMLICO PENDER PITT
ROBESON TYRRELL WASHINGTON
$$
SCC005-013-015-019-029-031-033-035-041-043-049-051-053-067-069-
089-281840-
SC
. SOUTH CAROLINA COUNTIES INCLUDED ARE
ALLENDALE BEAUFORT BERKELEY
CHARLESTON COLLETON DARLINGTON
DILLON DORCHESTER FLORENCE
GEORGETOWN HAMPTON HORRY
JASPER MARION MARLBORO
WILLIAMSBURG
$$
AMZ130-135-150-152-154-156-158-250-252-254-256-330-350-352-354-
281840-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
ALBEMARLE SOUND
PAMLICO SOUND
COASTAL WATERS FROM CURRITUCK BEACH LIGHT TO OREGON INLET NC OUT
20 NM
COASTAL WATERS FROM OREGON INLET TO CAPE HATTERAS NC OUT 20 NM
COASTAL WATERS FROM CAPE HATTERAS TO OCRACOKE INLET NC OUT 20 NM
COASTAL WATERS FROM OCRACOKE INLET TO CAPE LOOKOUT NC OUT 20 NM
COASTAL WATERS FROM CAPE LOOKOUT TO SURF CITY NC OUT 20 NM
COASTAL WATERS FROM SURF CITY TO CAPE FEAR NC OUT 20 NM
COASTAL WATERS FROM CAPE FEAR NC TO LITTLE RIVER INLET SC OUT 20
NM
COASTAL WATERS FROM LITTLE RIVER INLET TO MURRELLS INLET SC OUT
20 NM
COASTAL WATERS FROM MURRELLS INLET TO SOUTH SANTEE RIVER SC OUT
20 NM
CHARLESTON HARBOR
COASTAL WATERS FROM SOUTH SANTEE RIVER TO EDISTO BEACH SC OUT 20
NM
COASTAL WATERS FROM EDISTO BEACH SC TO SAVANNAH GA OUT 20 NM
COASTAL WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA OUT 20 NM
...INCLUDING GRAYS REEF NATIONAL MARINE SANCTUARY
$$
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.
$$
STATUS REPORT #1 ON WW 252
VALID 281635Z - 281740Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..GARNER..04/28/11
ATTN...WFO...CHS...MHX...ILM...
&&
STATUS REPORT FOR WT 252
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
GAC029-031-043-051-103-109-165-179-183-191-251-267-281740-
GA
. GEORGIA COUNTIES INCLUDED ARE
BRYAN BULLOCH CANDLER
CHATHAM EFFINGHAM EVANS
JENKINS LIBERTY LONG
MCINTOSH SCREVEN TATTNALL
$$
NCC013-017-019-031-047-049-055-061-079-095-103-107-117-129-133-
137-141-147-155-177-187-281740-
NC
. NORTH CAROLINA COUNTIES INCLUDED ARE
BEAUFORT BLADEN BRUNSWICK
CARTERET COLUMBUS CRAVEN
DARE DUPLIN GREENE
HYDE JONES LENOIR
MARTIN NEW HANOVER ONSLOW
PAMLICO PENDER PITT
ROBESON TYRRELL WASHINGTON
$$
SCC005-013-015-019-029-031-033-035-041-043-049-051-053-067-069-
089-281740-
SC
. SOUTH CAROLINA COUNTIES INCLUDED ARE
ALLENDALE BEAUFORT BERKELEY
CHARLESTON COLLETON DARLINGTON
DILLON DORCHESTER FLORENCE
GEORGETOWN HAMPTON HORRY
JASPER MARION MARLBORO
WILLIAMSBURG
$$
AMZ130-135-150-152-154-156-158-250-252-254-256-330-350-352-354-
281740-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
ALBEMARLE SOUND
PAMLICO SOUND
COASTAL WATERS FROM CURRITUCK BEACH LIGHT TO OREGON INLET NC OUT
20 NM
COASTAL WATERS FROM OREGON INLET TO CAPE HATTERAS NC OUT 20 NM
COASTAL WATERS FROM CAPE HATTERAS TO OCRACOKE INLET NC OUT 20 NM
COASTAL WATERS FROM OCRACOKE INLET TO CAPE LOOKOUT NC OUT 20 NM
COASTAL WATERS FROM CAPE LOOKOUT TO SURF CITY NC OUT 20 NM
COASTAL WATERS FROM SURF CITY TO CAPE FEAR NC OUT 20 NM
COASTAL WATERS FROM CAPE FEAR NC TO LITTLE RIVER INLET SC OUT 20
NM
COASTAL WATERS FROM LITTLE RIVER INLET TO MURRELLS INLET SC OUT
20 NM
COASTAL WATERS FROM MURRELLS INLET TO SOUTH SANTEE RIVER SC OUT
20 NM
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 (40%)
|
Probability of 1 or more strong (F2-F5) tornadoes
|
Low (20%)
|
Wind
Probability of 10 or more severe wind events
|
Mod (40%)
|
Probability of 1 or more wind events > 65 knots
|
Low (20%)
|
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
|
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.