Alert archive / Virginia / Tornado Watches in 2003

Tornado Watch 970

November 19, 20035 counties in Maryland; 25 counties in North Carolina; 31 counties in Virginia

The Storm Prediction Center issued this tornado watch at Nov 19, 2003, 11:25 AM EST for 5 counties in Maryland; 25 counties in North Carolina; 31 counties in Virginia. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Nov 19, 2003, 11:25 AM EST (16:25 UTC)
Expired
Nov 19, 2003, 5:00 PM EST
In force
6 hr
Issued by
the Storm Prediction Center
All 61 counties

Dorchester County, MD, Saint Mary's County, MD, Somerset County, MD, Wicomico County, MD, Worcester County, MD, Beaufort County, NC, Bertie County, NC, Camden County, NC, Carteret County, NC, Chowan County, NC, Craven County, NC, Currituck County, NC, Duplin County, NC, Edgecombe County, NC, Gates County, NC, Greene County, NC, Hertford County, NC, Hyde County, NC, Jones County, NC, Lenoir County, NC, Martin County, NC, Northampton County, NC, Onslow County, NC, Pamlico County, NC, Pasquotank County, NC, Pender County, NC, Perquimans County, NC, Pitt County, NC, Tyrrell County, NC, Washington County, NC, Accomack County, VA, Charles City County, VA, City of Chesapeake, VA, City of Franklin, VA, City of Hampton, VA, City of Newport News, VA, City of Norfolk, VA, City of Poquoson, VA, City of Portsmouth, VA, City of Suffolk, VA, City of Virginia Beach, VA, City of Williamsburg, VA, Essex County, VA, Gloucester County, VA, Isle of Wight County, VA, James City County, VA, King and Queen County, VA, King William County, VA, Lancaster County, VA, Mathews County, VA, Middlesex County, VA, New Kent County, VA, Northampton County, VA, Northumberland County, VA, Prince George County, VA, Richmond County, VA, Southampton County, VA, Surry County, VA, Sussex County, VA, Westmoreland County, VA, York County, VA

The radar

The Norfolk radar (KAKQ), 104 km from the middle of the area, began a volume at 16:27 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

Warnings issued inside it

1 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

IssuedProductOfficeCountiesLasted
Nov 19, 12:42 PM ESTSevere Thunderstorm WarningMHXDuplin48 min

Discussions around it

SPC mesoscale discussions over the same counties from four hours before the watch to its end.

The nearest sounding before it

Newport, NC (KMHX), launched 12:00Z, 4.4 hours before the alert went out and 142 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Newport, NC at 12:00Z on 2003-11-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 24 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Newport, NC at 12:00Z on 2003-11-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 28 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
24 J/kg
Mixed-layer CIN
-8 J/kg
Mixed-layer LCL
971 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
28 m²/s²
0-3 km storm-relative helicity
86 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WWUS20 KWNS 191627
SEL0  
SPC WW 191625
MDZ000-NCZ000-VAZ000-CWZ000-192200-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 970 
NWS STORM PREDICTION CENTER NORMAN OK 
1125 AM EST WED NOV 19 2003

THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF 

       SOUTHEASTERN MARYLAND
       EASTERN NORTH CAROLINA
       EASTERN VIRGINIA
       COASTAL WATERS

EFFECTIVE THIS WEDNESDAY MORNING AND AFTERNOON FROM 1125 AM UNTIL
500 PM EST.

TORNADOES...HAIL TO 1 INCH IN DIAMETER...THUNDERSTORM WIND GUSTS
TO 80 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE TORNADO WATCH AREA IS ALONG AND 55 STATUTE MILES EAST AND WEST
OF A LINE FROM 35 MILES SOUTHEAST OF JACKSONVILLE NORTH CAROLINA
TO 20 MILES WEST NORTHWEST OF SALISBURY MARYLAND.

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 967...WW 969...


DISCUSSION...SQUALL LINE IS INTENSIFYING AS IT LIFTS NEWD ACROSS
CENTRAL NC AND WESTERN VA.  DAMAGING WINDS WILL BE LIKELY WITH THIS
LINE...ALONG WITH THE POSSIBILITY FOR ISOLATED TORNADOES.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 1 INCH. EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 450.
MEAN STORM MOTION VECTOR 24035.


...HART/DARROW

342,0780 382,0765 382,0744 342,0761

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Nov 19, 8:50 AM ESTTornado WatchSPCAllegany, Anne Arundel, Baltimore, Calvert, Carroll, Cecil and 10 more6 hr
Nov 19, 10:57 AM ESTMesoscale DiscussionSPCDorchester, Somerset, Wicomico93 min
Nov 19, 12:45 PM ESTTornado WatchSPCAnne Arundel, Baltimore, Caroline, Cecil, Harford, Kent and 3 more5 hr
Nov 19, 12:47 PM ESTMesoscale DiscussionSPCAnne Arundel, Baltimore, Calvert, Carroll, Charles, Frederick and 5 more118 min
Nov 19, 2:27 PM ESTMesoscale DiscussionSPCSaint Mary's, Somerset, Worcester93 min
Nov 19, 2:56 PM ESTMesoscale DiscussionSPCAnne Arundel, Baltimore, Caroline, Cecil, Harford, Kent and 3 more2 hr
Nov 19, 3:59 PM ESTMesoscale DiscussionSPCSomerset, Worcester61 min
Nov 19, 2:20 AM ESTTornado WatchSPCAlexander, Buncombe, Burke, Cabarrus, Caldwell, Catawba and 17 more6 hr
Nov 19, 5:14 AM ESTMesoscale DiscussionSPCAlexander, Burke, Cabarrus, Catawba, Cleveland, Davidson and 10 more61 min
Nov 19, 6:31 AM ESTMesoscale DiscussionSPCAlamance, Alexander, Alleghany, Anson, Bladen, Brunswick and 47 more119 min
Nov 19, 7:25 AM ESTTornado WatchSPCAlamance, Alexander, Alleghany, Anson, Ashe, Bladen and 48 more6 hr
Nov 19, 11:29 AM ESTMesoscale DiscussionSPCAlexander, Alleghany, Ashe, Avery, Buncombe, Burke and 20 more61 min
Nov 19, 8:10 AM ESTMesoscale DiscussionSPCAlbemarle, Alleghany, Amelia, Amherst, Appomattox, Arlington and 53 more3 hr

Nearby

Tornado Watches in Virginia, 2003Tornado Watches in North Carolina, 2003Tornado Watches in Maryland, 2003Every tornado watch in 2003

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.