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.
SEL4
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 674
NWS STORM PREDICTION CENTER NORMAN OK
440 PM EDT WED JUL 9 2008
THE NWS STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
WESTERN AND CENTRAL NORTH CAROLINA
A SMALL PART OF NORTHERN SOUTH CAROLINA
CENTRAL INTO SOUTHEASTERN VIRGINIA
EFFECTIVE THIS WEDNESDAY AFTERNOON AND EVENING FROM 440 PM UNTIL
1000 PM 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 75
STATUTE MILES EAST AND WEST OF A LINE FROM 55 MILES SOUTHEAST OF
CHARLOTTE NORTH CAROLINA TO 25 MILES NORTHWEST OF RICHMOND
VIRGINIA. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU4).
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.
DISCUSSION...BROKEN LINE OF STORMS...WITH EMBEDDED BOWING
STRUCTURES...WILL CONTINUE EWD ACROSS WW THROUGH THE EVENING. AIR
MASS IS MODERATELY UNSTABLE AND SURFACE HAS WARMED THROUGH THE UPPER
80S SUPPORTING STEEP LOW LEVEL LAPSE RATES. THIS WILL ENHANCE
DOWNWARD TRANSFER OF MODEST WLY FLOW THROUGH 2-3 KM AND INCREASE THE
RISK OF WIND DAMAGE.
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 27025.
...EVANS
SEL4
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 674
NWS STORM PREDICTION CENTER NORMAN OK
440 PM EDT WED JUL 9 2008
THE NWS STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
WESTERN AND CENTRAL NORTH CAROLINA
A SMALL PART OF NORTHERN SOUTH CAROLINA
CENTRAL INTO SOUTHEASTERN VIRGINIA
EFFECTIVE THIS WEDNESDAY AFTERNOON AND EVENING FROM 440 PM UNTIL
1000 PM 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 75
STATUTE MILES EAST AND WEST OF A LINE FROM 55 MILES SOUTHEAST OF
CHARLOTTE NORTH CAROLINA TO 25 MILES NORTHWEST OF RICHMOND
VIRGINIA. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU4).
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.
DISCUSSION...BROKEN LINE OF STORMS...WITH EMBEDDED BOWING
STRUCTURES...WILL CONTINUE EWD ACROSS WW THROUGH THE EVENING. AIR
MASS IS MODERATELY UNSTABLE AND SURFACE HAS WARMED THROUGH THE UPPER
80S SUPPORTING STEEP LOW LEVEL LAPSE RATES. THIS WILL ENHANCE
DOWNWARD TRANSFER OF MODEST WLY FLOW THROUGH 2-3 KM AND INCREASE THE
RISK OF WIND DAMAGE.
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 27025.
...EVANS
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW4
WW 674 SEVERE TSTM NC SC VA 092040Z - 100200Z
AXIS..75 STATUTE MILES EAST AND WEST OF LINE..
55SE CLT/CHARLOTTE NC/ - 25NW RIC/RICHMOND VA/
..AVIATION COORDS.. 65NM E/W /39NW FLO - 21NW RIC/
HAIL SURFACE AND ALOFT..1.5 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 500. MEAN STORM MOTION VECTOR 27025.
LAT...LON 34658158 37757901 37757626 34657894
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU4.
Watch 674 Status Report Messages:
STATUS REPORT #4 ON WW 674
VALID 100150Z - 100240Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 25 SW FAY TO
20 WSW GSB.
..BROYLES..07/10/08
ATTN...WFO...RAH...GSP...RNK...AKQ...CAE...
&&
STATUS REPORT FOR WS 674
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
NCC163-191-100240-
NC
. NORTH CAROLINA COUNTIES INCLUDED ARE
SAMPSON WAYNE
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #3 ON WW 674
VALID 100035Z - 100140Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 30 NNW FLO
TO 25 NE SOP TO 15 NW RWI TO 45 W ORF TO 20 NNW RIC.
..BROYLES..07/10/08
ATTN...WFO...RAH...GSP...RNK...AKQ...CAE...
&&
STATUS REPORT FOR WS 674
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
NCC015-029-041-051-053-065-073-083-085-091-093-101-127-131-139-
143-163-165-191-195-100140-
NC
. NORTH CAROLINA COUNTIES INCLUDED ARE
BERTIE CAMDEN CHOWAN
CUMBERLAND CURRITUCK EDGECOMBE
GATES HALIFAX HARNETT
HERTFORD HOKE JOHNSTON
NASH NORTHAMPTON PASQUOTANK
PERQUIMANS SAMPSON SCOTLAND
WAYNE WILSON
$$
VAC036-093-095-101-127-175-181-199-550-620-650-700-710-735-740-
800-810-830-100140-
VA
. VIRGINIA COUNTIES INCLUDED ARE
CHARLES CITY ISLE OF WIGHT JAMES CITY
KING WILLIAM NEW KENT SOUTHAMPTON
SURRY YORK
VIRGINIA INDEPENDENT CITIES INCLUDED ARE
CHESAPEAKE FRANKLIN HAMPTON
NEWPORT NEWS NORFOLK POQUOSON
PORTSMOUTH SUFFOLK VIRGINIA BEACH
WILLIAMSBURG
$$
ANZ632-633-656-658-100140-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
ANZ632
ANZ633
ANZ656
ANZ658
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #2 ON WW 674
VALID 092330Z - 100040Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 40 S CLT TO
25 WNW SOP TO 15 N RDU TO 10 WNW AVC TO 35 N AVC TO 25 SSE CHO.
..BROYLES..07/09/08
ATTN...WFO...RAH...GSP...RNK...AKQ...CAE...
&&
STATUS REPORT FOR WS 674
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
NCC007-051-065-069-083-085-093-101-105-125-127-131-153-163-165-
181-183-185-191-195-100040-
NC
. NORTH CAROLINA COUNTIES INCLUDED ARE
ANSON CUMBERLAND EDGECOMBE
FRANKLIN HALIFAX HARNETT
HOKE JOHNSTON LEE
MOORE NASH NORTHAMPTON
RICHMOND SAMPSON SCOTLAND
VANCE WAKE WARREN
WAYNE WILSON
$$
SCC025-057-100040-
SC
. SOUTH CAROLINA COUNTIES INCLUDED ARE
CHESTERFIELD LANCASTER
$$
VAC007-025-036-041-053-075-081-085-087-095-101-109-127-145-149-
175-181-183-199-570-595-620-670-730-760-830-100040-
VA
. VIRGINIA COUNTIES INCLUDED ARE
AMELIA BRUNSWICK CHARLES CITY
CHESTERFIELD DINWIDDIE GOOCHLAND
GREENSVILLE HANOVER HENRICO
JAMES CITY KING WILLIAM LOUISA
NEW KENT POWHATAN PRINCE GEORGE
SOUTHAMPTON SURRY SUSSEX
YORK
VIRGINIA INDEPENDENT CITIES INCLUDED ARE
COLONIAL HEIGHTS EMPORIA FRANKLIN
HOPEWELL PETERSBURG RICHMOND
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 674
VALID 092255Z - 092340Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 45 NNW CAE
TO 35 SE CLT TO 25 W RDU TO 35 WSW AVC TO 25 NNW AVC TO 30 SE CHO.
..BROYLES..07/09/08
ATTN...WFO...RAH...GSP...RNK...AKQ...CAE...
&&
STATUS REPORT FOR WS 674
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
NCC007-037-051-063-065-069-077-083-085-093-101-105-123-125-127-
131-153-163-165-181-183-185-191-195-092340-
NC
. NORTH CAROLINA COUNTIES INCLUDED ARE
ANSON CHATHAM CUMBERLAND
DURHAM EDGECOMBE FRANKLIN
GRANVILLE HALIFAX HARNETT
HOKE JOHNSTON LEE
MONTGOMERY MOORE NASH
NORTHAMPTON RICHMOND SAMPSON
SCOTLAND VANCE WAKE
WARREN WAYNE WILSON
$$
SCC025-057-092340-
SC
. SOUTH CAROLINA COUNTIES INCLUDED ARE
CHESTERFIELD LANCASTER
$$
VAC007-025-036-041-053-075-081-085-087-095-101-109-111-117-127-
135-145-149-175-181-183-199-570-595-620-670-730-760-830-
092340-
VA
. VIRGINIA COUNTIES INCLUDED ARE
AMELIA BRUNSWICK CHARLES CITY
CHESTERFIELD DINWIDDIE GOOCHLAND
GREENSVILLE HANOVER HENRICO
JAMES CITY KING WILLIAM LOUISA
LUNENBURG MECKLENBURG NEW KENT
NOTTOWAY POWHATAN PRINCE GEORGE
SOUTHAMPTON SURRY SUSSEX
YORK
VIRGINIA INDEPENDENT CITIES INCLUDED ARE
COLONIAL HEIGHTS EMPORIA FRANKLIN
HOPEWELL PETERSBURG RICHMOND
WILLIAMSBURG
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
Note:
Click for Complete Product Text.
Tornadoes
Probability of 2 or more tornadoes
|
Low (<5%)
|
Probability of 1 or more strong (F2-F5) tornadoes
|
Low (<2%)
|
Wind
Probability of 10 or more severe wind events
|
Mod (60%)
|
Probability of 1 or more wind events > 65 knots
|
Mod (30%)
|
Hail
Probability of 10 or more severe hail events
|
Low (20%)
|
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 (90%)
|
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 
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