Alert archive / North Carolina / Tornado Watches in 2003

Tornado Watch 19

February 22, 200340 counties in North Carolina; 16 counties in South Carolina

The Storm Prediction Center issued this tornado watch at Feb 22, 2003, 9:45 AM EST for 40 counties in North Carolina; 16 counties in South Carolina. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Feb 22, 2003, 9:45 AM EST (14:45 UTC)
Expired
Feb 22, 2003, 4:00 PM EST
In force
6 hr
Issued by
the Storm Prediction Center
All 56 counties

Alamance County, NC, Anson County, NC, Bertie County, NC, Bladen County, NC, Cabarrus County, NC, Caswell County, NC, Chatham County, NC, Cumberland County, NC, Davidson County, NC, Durham County, NC, Edgecombe County, NC, Franklin County, NC, Gates County, NC, Granville County, NC, Greene County, NC, Guilford County, NC, Halifax County, NC, Harnett County, NC, Hertford County, NC, Hoke County, NC, Johnston County, NC, Lee County, NC, Montgomery County, NC, Moore County, NC, Nash County, NC, Northampton County, NC, Orange County, NC, Person County, NC, Randolph County, NC, Richmond County, NC, Robeson County, NC, Sampson County, NC, Scotland County, NC, Stanly County, NC, Union County, NC, Vance County, NC, Wake County, NC, Warren County, NC, Wayne County, NC, Wilson County, NC, Chester County, SC, Chesterfield County, SC, Darlington County, SC, Dillon County, SC, Fairfield County, SC, Florence County, SC, Kershaw County, SC, Lancaster County, SC, Lee County, SC, Lexington County, SC, Marion County, SC, Marlboro County, SC, Newberry County, SC, Richland County, SC, Saluda County, SC, Sumter County, SC

The radar

The Columbia radar (KCAE), 150 km from the middle of the area, began a volume at 14:45 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

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

IssuedProductOfficeCountiesLasted
Feb 22, 9:48 AM ESTSevere Thunderstorm WarningCAENewberry42 min
Feb 22, 10:31 AM ESTSevere Thunderstorm WarningGSPCabarrus, Mecklenburg, Union44 min
Feb 22, 10:39 AM ESTSevere Thunderstorm WarningRAHAnson, Stanly51 min
Feb 22, 10:41 AM ESTSevere Thunderstorm WarningCAEEdgefield, Saluda49 min
Feb 22, 10:44 AM ESTSevere Thunderstorm WarningGSPChester16 min
Feb 22, 11:03 AM ESTSevere Thunderstorm WarningCAELexington42 min
Feb 22, 11:09 AM ESTSevere Thunderstorm WarningRAHMontgomery, Randolph36 min
Feb 22, 11:11 AM ESTSevere Thunderstorm WarningCAEFairfield, Richland49 min
Feb 22, 11:21 AM ESTSevere Thunderstorm WarningGSPUnion39 min
Feb 22, 11:21 AM ESTFlash Flood WarningRAHForsyth, Guilford54 min
Feb 22, 11:36 AM ESTSevere Thunderstorm WarningRAHAlamance, Chatham24 min
Feb 22, 11:43 AM ESTTornado WarningRAHAlamance, Randolph32 min
Feb 22, 11:46 AM ESTSevere Thunderstorm WarningCAEBarnwell, Calhoun, Kershaw44 min
Feb 22, 11:55 AM ESTSevere Thunderstorm WarningRAHChatham, Orange35 min
Feb 22, 11:59 AM ESTSevere Thunderstorm WarningCAERichland46 min
Feb 22, 12:05 PM ESTTornado WarningRAHDurham, Orange25 min
Feb 22, 12:11 PM ESTFlash Flood WarningRAHDavidson, Forsyth, Guilford3 hr
Feb 22, 12:14 PM ESTSevere Thunderstorm WarningCAESumter46 min
Feb 22, 12:22 PM ESTTornado WarningRAHGranville23 min
Feb 22, 12:26 PM ESTSevere Thunderstorm WarningRAHLee, Moore34 min
Feb 22, 12:33 PM ESTSevere Thunderstorm WarningRAHWake42 min
Feb 22, 12:35 PM ESTSevere Thunderstorm WarningCAELee40 min
Feb 22, 12:39 PM ESTTornado WarningRAHVance36 min
Feb 22, 12:45 PM ESTSevere Thunderstorm WarningILMDarlington60 min
Feb 22, 12:54 PM ESTSevere Thunderstorm WarningRAHWarren36 min
Feb 22, 1:42 PM ESTSevere Thunderstorm WarningILMFlorence63 min
Feb 22, 1:53 PM ESTSevere Thunderstorm WarningAKQHertford, Northampton32 min
Feb 22, 1:55 PM ESTSevere Thunderstorm WarningILMDarlington, Dillon, Marlboro50 min
Feb 22, 1:57 PM ESTSevere Thunderstorm WarningRAHNash33 min
Feb 22, 2:12 PM ESTSevere Thunderstorm WarningILMRobeson48 min
Feb 22, 2:12 PM ESTSevere Thunderstorm WarningRAHEdgecombe, Wilson33 min
Feb 22, 2:47 PM ESTSevere Thunderstorm WarningILMBladen, Columbus58 min
Feb 22, 3:03 PM ESTSevere Thunderstorm WarningRAHSampson27 min
Feb 22, 3:24 PM ESTSevere Thunderstorm WarningRAHWayne36 min
Feb 22, 3:45 PM ESTSevere Thunderstorm WarningILMBladen, Columbus60 min
Feb 22, 3:53 PM ESTSevere Thunderstorm WarningMHXGreene, Hertford37 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

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 2.8 hours before the alert went out and 130 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, Greensboro/Hi Pt, NC at 12:00Z on 2003-02-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Greensboro/Hi Pt, NC at 12:00Z on 2003-02-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 705 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
483 m above ground
0-6 km bulk shear
63 kt
0-1 km storm-relative helicity
705 m²/s²
0-3 km storm-relative helicity
845 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

Open this sounding in Storm Lab

The text

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

000 
WWUS20 KWNS 221442
SEL9
SPC WW 221445
NCZ000-SCZ000-222100-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 19
STORM PREDICTION CENTER NORMAN OK
945 AM EST SAT FEB 22 2003

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

   CENTRAL AND EASTERN NORTH CAROLINA                     
   NORTHERN SOUTH CAROLINA                     

EFFECTIVE THIS SATURDAY MORNING AND AFTERNOON FROM 945 AM UNTIL 400
PM EST.

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 ALONG AND 85 STATUTE MILES EAST AND WEST
OF A LINE FROM 70 MILES WEST SOUTHWEST OF FLORENCE SOUTH CAROLINA
TO 50 MILES NORTH OF ROCKY MOUNT NORTH CAROLINA.

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 18...

DISCUSSION...WARM FRONT MOVING RAPIDLY NWD THRU ERN NC AHEAD OF
SQUALL LINE LOCATED AT 1430Z IN WRN SC.  WITH VERY STRONG WIND
FIELDS FAVORABLE FOR BOTH DAMAGING STRAIGHT LINE WINDS AND ROTATING
STORMS...THE WARM SECTOR AIRMASS WILL SUPPORT SEVERE STORMS ALONG
SQUALL LINE AS IT MOVES RAPIDLY NEWD ACROSS NC.  PRIMARY THREAT
WILL BE WIND DAMAGE...HOWEVER ISOLATED TORNADOS ALSO EXPECTED.


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 450. 
MEAN STORM MOTION VECTOR 23050.


...HALES

334,0821 363,0792 363,0762 334,0792

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 22, 9:27 AM ESTMesoscale DiscussionSPCAlamance, Anson, Cabarrus, Chatham, Cumberland, Durham and 17 more63 min
Feb 22, 11:35 AM ESTTornado WatchSPCCherokee5 hr
Feb 22, 11:47 AM ESTMesoscale DiscussionSPCBeaufort, Bertie, Bladen, Camden, Chowan, Columbus and 33 more88 min
Feb 22, 2:22 PM ESTMesoscale DiscussionSPCBertie, Bladen, Columbus, Duplin, Edgecombe, Gates and 8 more53 min
Feb 22, 2:40 PM ESTTornado WatchSPCBeaufort, Bertie, Bladen, Camden, Carteret, Chowan and 24 more4 hr
Feb 22, 3:31 PM ESTMesoscale DiscussionSPCCherokee, Graham, Madison, Swain119 min
Feb 22, 4:31 PM ESTMesoscale DiscussionSPCBeaufort, Currituck, Jones, Pender, Washington89 min
Feb 22, 6:09 PM ESTMesoscale DiscussionSPCBeaufort, Bertie, Bladen, Camden, Carteret, Chowan and 24 more66 min
Feb 22, 6:50 AM ESTTornado WatchSPCAiken, Allendale, Bamberg, Barnwell, Calhoun, Edgefield and 4 more5 hr
Feb 22, 10:59 AM ESTMesoscale DiscussionSPCAllendale, Bamberg, Barnwell, Beaufort, Berkeley, Charleston and 8 more61 min
Feb 22, 11:55 AM ESTTornado WatchSPCAllendale, Bamberg, Beaufort, Berkeley, Calhoun, Charleston and 8 more5 hr
Feb 22, 1:49 PM ESTMesoscale DiscussionSPCBeaufort, Berkeley, Charleston, Georgetown, Williamsburg116 min

Nearby

Tornado Watches in North Carolina, 2003Tornado Watches in South Carolina, 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.