Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Note: Click for
Watch Status Reports.
SEL8
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 108
NWS STORM PREDICTION CENTER NORMAN OK
615 AM EST SAT MAR 8 2008
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
EASTERN NORTH CAROLINA
SOUTHEASTERN VIRGINIA
COASTAL WATERS
EFFECTIVE THIS SATURDAY MORNING FROM 615 AM UNTIL NOON EST.
TORNADOES...HAIL TO 1 INCH IN DIAMETER...THUNDERSTORM WIND GUSTS
TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.
THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 75 STATUTE
MILES EAST AND WEST OF A LINE FROM 40 MILES NORTH OF ELIZABETH
CITY NORTH CAROLINA TO 25 MILES SOUTH SOUTHEAST OF WILMINGTON
NORTH CAROLINA. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU8).
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 107...
DISCUSSION...EXTREME LOW AND DEEP LAYER SHEAR WILL CONTINUE ACROSS
THE REGION THIS MORNING AS STRONG MID/UPPER LEVEL SYSTEM EJECTS NEWD
ACROSS THE APPALACHIANS. ALTHOUGH INSTABILITY WILL REMAIN QUITE
WEAK...INFLUX OF WARMER/MOIST AIR OFF THE ATLANTIC WILL SUSTAIN 65+F
SURFACE DEW POINTS AND NEAR SURFACE-BASED INSTABILITY. GIVEN THE
EXTREME SHEAR...THIS WILL THEREFORE POSE A THREAT OF ISOLATED
TORNADOES AND/OR DAMAGING WINDS AS STORMS INCREASE IN
COVERAGE/INTENSITY AND SPREAD QUICKLY NNEWD ACROSS WW.
AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 1 INCH. EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 350.
MEAN STORM MOTION VECTOR 22040.
...EVANS
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW8
WW 108 TORNADO NC VA CW 081115Z - 081700Z
AXIS..75 STATUTE MILES EAST AND WEST OF LINE..
40N ECG/ELIZABETH CITY NC/ - 25SSE ILM/WILMINGTON NC/
..AVIATION COORDS.. 65NM E/W /3SSE ORF - 26SSE ILM/
HAIL SURFACE AND ALOFT..1 INCH. WIND GUSTS..60 KNOTS.
MAX TOPS TO 350. MEAN STORM MOTION VECTOR 22040.
LAT...LON 36847481 33937641 33937904 36847754
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU8.
Watch 108 Status Report Messages:
STATUS REPORT #3 ON WW 108
VALID 081635Z - 081700Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 5 WNW HSE TO
15 SE ECG TO 40 ENE RWI TO 30 NE RZZ TO 35 WNW ORF.
WW 108 WILL BE ALLOWED TO EXPIRE AT 081700Z. ANOTHER WW IS NOT
EXPECTED AT THIS TIME.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 380
..DIAL..03/08/08
ATTN...WFO...MHX...AKQ...ILM...RAH...
&&
STATUS REPORT FOR WT 108
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
NCC015-029-041-053-055-073-091-139-143-081700-
NC
. NORTH CAROLINA COUNTIES INCLUDED ARE
BERTIE CAMDEN CHOWAN
CURRITUCK DARE GATES
HERTFORD PASQUOTANK PERQUIMANS
$$
VAC093-175-550-620-650-700-710-740-800-810-081700-
VA
. VIRGINIA COUNTIES INCLUDED ARE
ISLE OF WIGHT SOUTHAMPTON
VIRGINIA INDEPENDENT CITIES INCLUDED ARE
CHESAPEAKE FRANKLIN HAMPTON
NEWPORT NEWS NORFOLK PORTSMOUTH
SUFFOLK VIRGINIA BEACH
$$
AMZ130-150-152-154-ANZ632-633-656-658-081700-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
ALBEMARLE 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
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 108
VALID 081530Z - 081640Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 75 SSE EWN
TO 25 NE EWN TO 25 E RWI TO 20 N RWI.
..DIAL..03/08/08
ATTN...WFO...MHX...AKQ...ILM...RAH...
&&
STATUS REPORT FOR WT 108
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
NCC013-015-029-041-053-055-065-073-083-091-095-117-131-139-143-
177-187-081640-
NC
. NORTH CAROLINA COUNTIES INCLUDED ARE
BEAUFORT BERTIE CAMDEN
CHOWAN CURRITUCK DARE
EDGECOMBE GATES HALIFAX
HERTFORD HYDE MARTIN
NORTHAMPTON PASQUOTANK PERQUIMANS
TYRRELL WASHINGTON
$$
VAC081-093-175-181-183-199-550-595-620-650-700-710-735-740-800-
810-830-081640-
VA
. VIRGINIA COUNTIES INCLUDED ARE
GREENSVILLE ISLE OF WIGHT SOUTHAMPTON
SURRY SUSSEX YORK
VIRGINIA INDEPENDENT CITIES INCLUDED ARE
CHESAPEAKE EMPORIA FRANKLIN
HAMPTON NEWPORT NEWS NORFOLK
POQUOSON PORTSMOUTH SUFFOLK
VIRGINIA BEACH WILLIAMSBURG
$$
AMZ130-135-150-152-154-156-ANZ632-633-656-658-081640-
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
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 108
VALID 081335Z - 081440Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..GOSS..03/08/08
ATTN...WFO...MHX...AKQ...ILM...RAH...
&&
STATUS REPORT FOR WT 108
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
NCC013-015-017-019-029-031-041-047-049-053-055-061-065-073-079-
083-091-095-101-103-107-117-127-129-131-133-137-139-141-143-147-
163-177-187-191-195-081440-
NC
. NORTH CAROLINA COUNTIES INCLUDED ARE
BEAUFORT BERTIE BLADEN
BRUNSWICK CAMDEN CARTERET
CHOWAN COLUMBUS CRAVEN
CURRITUCK DARE DUPLIN
EDGECOMBE GATES GREENE
HALIFAX HERTFORD HYDE
JOHNSTON JONES LENOIR
MARTIN NASH NEW HANOVER
NORTHAMPTON ONSLOW PAMLICO
PASQUOTANK PENDER PERQUIMANS
PITT SAMPSON TYRRELL
WASHINGTON WAYNE WILSON
$$
VAC081-093-175-181-183-199-550-595-620-650-700-710-735-740-800-
810-830-081440-
VA
. VIRGINIA COUNTIES INCLUDED ARE
GREENSVILLE ISLE OF WIGHT SOUTHAMPTON
SURRY SUSSEX YORK
VIRGINIA INDEPENDENT CITIES INCLUDED ARE
CHESAPEAKE EMPORIA FRANKLIN
HAMPTON NEWPORT NEWS NORFOLK
POQUOSON PORTSMOUTH SUFFOLK
VIRGINIA BEACH WILLIAMSBURG
$$
AMZ130-135-150-152-154-156-158-250-ANZ632-633-656-658-081440-
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
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
|
Low (20%)
|
Wind
Probability of 10 or more severe wind events
|
Mod (40%)
|
Probability of 1 or more wind events > 65 knots
|
Mod (30%)
|
Hail
Probability of 10 or more severe hail events
|
Low (10%)
|
Probability
of 1 or
more hailstones > 2 inches
|
Low (<5%)
|
Combined Severe Hail/Wind
Probability of 6 or more combined severe hail/wind events
|
Mod (60%)
|
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.