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.
SEL9
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 309
NWS STORM PREDICTION CENTER NORMAN OK
445 PM EDT SUN MAY 11 2008
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
EASTERN NORTH CAROLINA
EXTREME NORTHEAST SOUTH CAROLINA
SOUTHEAST VIRGINIA
COASTAL WATERS
EFFECTIVE THIS SUNDAY AFTERNOON AND EVENING FROM 445 PM UNTIL
1100 PM EDT.
TORNADOES...HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND
GUSTS TO 80 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 65 MILES NORTHEAST OF
ELIZABETH CITY NORTH CAROLINA TO 20 MILES SOUTH OF WILMINGTON
NORTH CAROLINA. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU9).
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 307...WW 308...
DISCUSSION...SECONDARY CYCLOGENESIS IS UNDERWAY ALONG PIEDMONT FRONT
AHEAD OF POWERFUL DEEP-LAYER CYCLONE SPINNING ACROSS OH ATTM. AIR
MASS AHEAD OF THE DEVELOPING LOW HAS BEEN MOISTENING BUT RELATIVELY
SLOW TO DESTABILIZE DUE TO EXTENSIVE CLOUD COVER NOW DEPARTING PARTS
OF ERN NC. FORCING WITH THE SECONDARY LOW AND LATER WITH ADVANCING
COLD FRONT SHOULD BE SUFFICIENT FOR STRONG TO SEVERE STORMS TO
SPREAD EAST ACROSS PARTS OF THE COASTAL PLAIN/TIDEWATER AND OUTER
BANKS AREAS THROUGH LATER THIS EVENING. INTENSE DEEP-LAYER
TROPOSPHERIC WIND FIELDS /100KT AT 500MB/...MAGNITUDE OF LARGE SCALE
FORCING...AND PRONOUNCED MID LEVEL DRY INTRUSION...SHOULD ALL
SUPPORT DAMAGING STRAIGHT-LINE WIND POTENTIAL...AS WELL AS BRIEF
TORNADOES.
AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
500. MEAN STORM MOTION VECTOR 24035.
...CARBIN
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW9
WW 309 TORNADO NC SC VA CW 112045Z - 120300Z
AXIS..70 STATUTE MILES EAST AND WEST OF LINE..
65NE ECG/ELIZABETH CITY NC/ - 20S ILM/WILMINGTON NC/
..AVIATION COORDS.. 60NM E/W /41E ORF - 22S ILM/
HAIL SURFACE AND ALOFT..2 INCHES. WIND GUSTS..70 KNOTS.
MAX TOPS TO 500. MEAN STORM MOTION VECTOR 24035.
LAT...LON 36937408 33977668 33977912 36937662
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU9.
Watch 309 Status Report Messages:
STATUS REPORT #5 ON WW 309
VALID 120140Z - 120240Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 25 ENE RWI
TO 15 WSW ECG TO 90 E ECG.
..BROYLES..05/12/08
ATTN...WFO...MHX...AKQ...ILM...
&&
STATUS REPORT FOR WT 309
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
NCC013-031-049-055-061-079-095-103-107-117-133-137-147-177-187-
120240-
NC
. NORTH CAROLINA COUNTIES INCLUDED ARE
BEAUFORT CARTERET CRAVEN
DARE DUPLIN GREENE
HYDE JONES LENOIR
MARTIN ONSLOW PAMLICO
PITT TYRRELL WASHINGTON
$$
AMZ130-135-150-152-154-156-158-120240-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
ALBEMARLE SOUND
PAMLICO SOUND
COASTAL WATERS FROM CURRITUCK BEACH LIGHT TO OREGON INLET NC OUT
20 NM
COASTAL WATERS FROM OREGON INLET TO CAPE HATTERAS NC OUT 20 NM
COASTAL WATERS FROM CAPE HATTERAS TO OCRACOKE INLET NC OUT 20 NM
COASTAL WATERS FROM OCRACOKE INLET TO CAPE LOOKOUT NC OUT 20 NM
COASTAL WATERS FROM CAPE LOOKOUT TO SURF CITY NC OUT 20 NM
$$
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.
$$
STATUS REPORT #4 ON WW 309
VALID 120055Z - 120140Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..BROYLES..05/12/08
ATTN...WFO...MHX...AKQ...ILM...
&&
STATUS REPORT FOR WT 309
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
NCC013-015-019-029-031-041-049-053-055-061-073-079-091-095-103-
107-117-129-133-137-139-141-143-147-177-187-120140-
NC
. NORTH CAROLINA COUNTIES INCLUDED ARE
BEAUFORT BERTIE BRUNSWICK
CAMDEN CARTERET CHOWAN
CRAVEN CURRITUCK DARE
DUPLIN GATES GREENE
HERTFORD HYDE JONES
LENOIR MARTIN NEW HANOVER
ONSLOW PAMLICO PASQUOTANK
PENDER PERQUIMANS PITT
TYRRELL WASHINGTON
$$
SCC051-120140-
SC
. SOUTH CAROLINA COUNTIES INCLUDED ARE
HORRY
$$
VAC073-093-097-101-550-650-700-710-740-800-810-120140-
VA
. VIRGINIA COUNTIES INCLUDED ARE
GLOUCESTER ISLE OF WIGHT KING AND QUEEN
KING WILLIAM
VIRGINIA INDEPENDENT CITIES INCLUDED ARE
CHESAPEAKE HAMPTON NEWPORT NEWS
NORFOLK PORTSMOUTH SUFFOLK
VIRGINIA BEACH
$$
AMZ130-135-150-152-154-156-158-250-252-254-ANZ632-633-656-658-
120140-
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
CHESAPEAKE BAY FROM NEW POINT COMFORT TO CAPE HENRY VA
CURRITUCK SOUND
COASTAL WATERS FROM CAPE CHARLES LIGHT VA TO NC VA BORDER OUT 20
NM
COASTAL WATERS FROM NC VA BORDER TO CURRITUCK BEACH LIGHT NC 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 #3 ON WW 309
VALID 112340Z - 120040Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..BROYLES..05/11/08
ATTN...WFO...MHX...AKQ...ILM...
&&
STATUS REPORT FOR WT 309
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
NCC013-015-019-029-031-041-049-053-055-061-073-079-091-095-103-
107-117-129-133-137-139-141-143-147-177-187-120040-
NC
. NORTH CAROLINA COUNTIES INCLUDED ARE
BEAUFORT BERTIE BRUNSWICK
CAMDEN CARTERET CHOWAN
CRAVEN CURRITUCK DARE
DUPLIN GATES GREENE
HERTFORD HYDE JONES
LENOIR MARTIN NEW HANOVER
ONSLOW PAMLICO PASQUOTANK
PENDER PERQUIMANS PITT
TYRRELL WASHINGTON
$$
SCC051-120040-
SC
. SOUTH CAROLINA COUNTIES INCLUDED ARE
HORRY
$$
VAC073-093-097-101-550-650-700-710-740-800-810-120040-
VA
. VIRGINIA COUNTIES INCLUDED ARE
GLOUCESTER ISLE OF WIGHT KING AND QUEEN
KING WILLIAM
VIRGINIA INDEPENDENT CITIES INCLUDED ARE
CHESAPEAKE HAMPTON NEWPORT NEWS
NORFOLK PORTSMOUTH SUFFOLK
VIRGINIA BEACH
$$
AMZ130-135-150-152-154-156-158-250-252-254-ANZ632-633-656-658-
120040-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
ALBEMARLE SOUND
PAMLICO SOUND
COASTAL WATERS FROM CURRITUCK BEACH LIGHT TO OREGON INLET NC OUT
20 NM
COASTAL WATERS FROM OREGON INLET TO CAPE HATTERAS NC OUT 20 NM
COASTAL WATERS FROM CAPE HATTERAS TO OCRACOKE INLET NC OUT 20 NM
COASTAL WATERS FROM OCRACOKE INLET TO CAPE LOOKOUT NC OUT 20 NM
COASTAL WATERS FROM CAPE LOOKOUT TO SURF CITY NC OUT 20 NM
COASTAL WATERS FROM SURF CITY TO CAPE FEAR NC OUT 20 NM
COASTAL WATERS FROM CAPE FEAR NC TO LITTLE RIVER INLET SC OUT 20
NM
COASTAL WATERS FROM LITTLE RIVER INLET TO MURRELLS INLET SC OUT
20 NM
CHESAPEAKE BAY FROM NEW POINT COMFORT TO CAPE HENRY VA
CURRITUCK SOUND
COASTAL WATERS FROM CAPE CHARLES LIGHT VA TO NC VA BORDER OUT 20
NM
COASTAL WATERS FROM NC VA BORDER TO CURRITUCK BEACH LIGHT NC OUT
20 NM
$$
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.
$$
STATUS REPORT #2 ON WW 309
VALID 112235Z - 112340Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..BROYLES..05/11/08
ATTN...WFO...MHX...AKQ...ILM...
&&
STATUS REPORT FOR WT 309
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
NCC013-015-019-029-031-041-049-053-055-061-073-079-091-095-103-
107-117-129-133-137-139-141-143-147-177-187-112340-
NC
. NORTH CAROLINA COUNTIES INCLUDED ARE
BEAUFORT BERTIE BRUNSWICK
CAMDEN CARTERET CHOWAN
CRAVEN CURRITUCK DARE
DUPLIN GATES GREENE
HERTFORD HYDE JONES
LENOIR MARTIN NEW HANOVER
ONSLOW PAMLICO PASQUOTANK
PENDER PERQUIMANS PITT
TYRRELL WASHINGTON
$$
SCC051-112340-
SC
. SOUTH CAROLINA COUNTIES INCLUDED ARE
HORRY
$$
VAC073-093-097-101-550-650-700-710-740-800-810-112340-
VA
. VIRGINIA COUNTIES INCLUDED ARE
GLOUCESTER ISLE OF WIGHT KING AND QUEEN
KING WILLIAM
VIRGINIA INDEPENDENT CITIES INCLUDED ARE
CHESAPEAKE HAMPTON NEWPORT NEWS
NORFOLK PORTSMOUTH SUFFOLK
VIRGINIA BEACH
$$
AMZ130-135-150-152-154-156-158-250-252-254-ANZ632-633-656-658-
112340-
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
CHESAPEAKE BAY FROM NEW POINT COMFORT TO CAPE HENRY VA
CURRITUCK SOUND
COASTAL WATERS FROM CAPE CHARLES LIGHT VA TO NC VA BORDER OUT 20
NM
COASTAL WATERS FROM NC VA BORDER TO CURRITUCK BEACH LIGHT NC 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 #1 ON WW 309
VALID 112130Z - 112240Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..BROYLES..05/11/08
ATTN...WFO...MHX...AKQ...ILM...
&&
STATUS REPORT FOR WT 309
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
NCC013-015-019-029-031-041-049-053-055-061-073-079-091-095-103-
107-117-129-133-137-139-141-143-147-177-187-112240-
NC
. NORTH CAROLINA COUNTIES INCLUDED ARE
BEAUFORT BERTIE BRUNSWICK
CAMDEN CARTERET CHOWAN
CRAVEN CURRITUCK DARE
DUPLIN GATES GREENE
HERTFORD HYDE JONES
LENOIR MARTIN NEW HANOVER
ONSLOW PAMLICO PASQUOTANK
PENDER PERQUIMANS PITT
TYRRELL WASHINGTON
$$
SCC051-112240-
SC
. SOUTH CAROLINA COUNTIES INCLUDED ARE
HORRY
$$
VAC073-093-097-101-550-650-700-710-740-800-810-112240-
VA
. VIRGINIA COUNTIES INCLUDED ARE
GLOUCESTER ISLE OF WIGHT KING AND QUEEN
KING WILLIAM
VIRGINIA INDEPENDENT CITIES INCLUDED ARE
CHESAPEAKE HAMPTON NEWPORT NEWS
NORFOLK PORTSMOUTH SUFFOLK
VIRGINIA BEACH
$$
AMZ130-135-150-152-154-156-158-250-252-254-ANZ632-633-656-658-
112240-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
ALBEMARLE SOUND
PAMLICO SOUND
COASTAL WATERS FROM CURRITUCK BEACH LIGHT TO OREGON INLET NC OUT
20 NM
COASTAL WATERS FROM OREGON INLET TO CAPE HATTERAS NC OUT 20 NM
COASTAL WATERS FROM CAPE HATTERAS TO OCRACOKE INLET NC OUT 20 NM
COASTAL WATERS FROM OCRACOKE INLET TO CAPE LOOKOUT NC OUT 20 NM
COASTAL WATERS FROM CAPE LOOKOUT TO SURF CITY NC OUT 20 NM
COASTAL WATERS FROM SURF CITY TO CAPE FEAR NC OUT 20 NM
COASTAL WATERS FROM CAPE FEAR NC TO LITTLE RIVER INLET SC OUT 20
NM
COASTAL WATERS FROM LITTLE RIVER INLET TO MURRELLS INLET SC OUT
20 NM
CHESAPEAKE BAY FROM NEW POINT COMFORT TO CAPE HENRY VA
CURRITUCK SOUND
COASTAL WATERS FROM CAPE CHARLES LIGHT VA TO NC VA BORDER OUT 20
NM
COASTAL WATERS FROM NC VA BORDER TO CURRITUCK BEACH LIGHT NC OUT
20 NM
$$
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.
$$
Note:
Click for Complete Product Text.
Tornadoes
Probability of 2 or more tornadoes
|
Mod (40%)
|
Probability of 1 or more strong (F2-F5) tornadoes
|
Mod (30%)
|
Wind
Probability of 10 or more severe wind events
|
Mod (50%)
|
Probability of 1 or more wind events > 65 knots
|
Mod (40%)
|
Hail
Probability of 10 or more severe hail events
|
Mod (30%)
|
Probability
of 1 or
more hailstones > 2 inches
|
Mod (30%)
|
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.