Alert archive / North Carolina / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 100, NWS Raleigh, NC

July 3, 2002Warren County, North Carolina

NWS Raleigh, NC issued this severe thunderstorm warning at Jul 3, 2002, 8:59 PM EDT for Warren County, North Carolina. It was in force for 31 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Jul 3, 2002, 8:59 PM EDT (00:59 UTC)
Expired
Jul 3, 2002, 9:30 PM EDT
In force
31 min
Issued by
NWS Raleigh, NC
Area
Whole counties

County Warren County, NC

The radar

The Raleigh/Durham radar (KRAX), 88 km from the middle of the area, began a volume at 01:01 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.

What was reported inside it

TimeReportWhereRemark
Jul 3, 9:25 PM EDTHail 1Warrenton, NC

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Roanoke, VA (KRNK), launched 00:00Z, 1.0 hours before the alert went out and 153 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, Roanoke, VA at 00:00Z on 2002-07-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 57 joules per kilogram.LCLLFCEL10008507005003002001001 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, Roanoke, VA at 00:00Z on 2002-07-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -52 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
57 J/kg
Mixed-layer CIN
-404 J/kg
Mixed-layer LCL
1229 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
-52 m²/s²
0-3 km storm-relative helicity
-36 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

000 
WUUS52 KRAH 040059
SVRRAH
NCC185-040130-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE RALEIGH NC
858 PM EDT WED JUL 3 2002

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WARREN COUNTY IN NORTH CAROLINA

* UNTIL 930 PM EDT

* AT 858 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 9 MILES NORTHEAST OF NORLINA...OR ABOUT 10
  MILES NORTHEAST OF WARRENTON...MOVING SOUTHWEST AT 15 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
   NORLINA...WARRENTON AT 925 PM EDT

HAIL UP TO ONE INCH IN DIAMETER IS EXPECTED FROM THIS STORM. IF YOU 
ARE IN THE STORMS PATH...SEEK SHELTER INDOORS. WIND GUSTS NEAR 60 MPH
MAY ALSO OCCUR.

$$
JWC/WSS

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Raleigh, NC wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 3, 8:03 PM EDT, 56 minutes earlier.

Area forecast discussion, Jul 3, 8:03 PM EDT, 56 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE RALEIGH NC
800 EDT WED JUL 3 2002

WILL SEND AN UPDATE TO ADJUST FOR THE RAINFALL AND LEAVE A CHANCE OF
THUNDER IN THE TRIANGLE AND TO THE ALBEMARLE REGION. MODERATE
SHOWERS HAVE OVERTAKEN THE TRIAD REGION AND THE SANDHILLS SHOULD
REMAIN DRY TONIGHT. WILL ADJUST CLOUD COVER TO CLOUDY EARLY THEN
HAZY AND PARTLY CLOUDY LATER AS THE CONVECTION DIES AND CLOUD COVER
BLOSSOMS. WILL OF COURSE DROP THE WATCH WITH THIS PACKAGE.

TEMPERATURES LOOK TO BE ON TRACK WITH CURRENT FORECAST. NO
GREENSBORO RAOB TONIGHT DUE TO LIGHTNING STRIKE ON THE EQUIPMENT.

.RAH...NONE.

CLINE

In the hours before

Special weather statement, Jul 3, 4:55 PM EDT, 4 hours 4 minutes before
NCZ007>010-021>026-038>041-073>077-083>086-088-040100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
455 PM EDT WED JUL 3 2002

...SCATTERED STRONG TO SEVERE THUNDERSTORMS POSSIBLE THIS EVENING
ACROSS MUCH OF CENTRAL NORTH CAROLINA...

SCATTERED THUNDERSTORMS CAN BE EXPECTED ACROSS MUCH OF CENTRAL NORTH
CAROLINA THIS EVENING. MOST OF THE STORMS WILL OCCUR WEST OF
I 95...OVER THE PIEDMONT COUNTIES AND THE WESTERN SANDHILLS.

THESE STORMS WILL PRODUCE FREQUENT CLOUD TO GROUND LIGHTNING
STRIKES...TORRENTIAL DOWNPOURS...WIND GUSTS NEAR 40 MPH AND SOME
HAIL.  THE MAIN SEVERE WEATHER THREAT FROM THE STORMS WILL BE HAIL
POSSIBLY AS LARGE AS QUARTERS...AND ISOLATED WIND GUSTS NEAR 60 MPH.

THE STRONGER STORMS WILL ALSO PRODUCE NEARLY CONTINUOUS CLOUD TO
GROUND LIGHTNING STRIKES. FOR YOUR PROTECTION...MOVE INDOORS
IMMEDIATELY AT THE FIRST SIGN OF THREATENING WEATHER SUCH AS
DARKENING SKIES OR A DISTANT RUMBLE OF THUNDER.  ONCE
INDOORS...REFRAIN FROM USING ELECTRICAL APPLIANCES AND STAY AWAY
FROM WINDOWS.  USE THE TELEPHONE ONLY IF IT IS AN EMERGENCY.

IT APPEARS THAT THE STORMS WILL BEGIN TO DIMINISH IN COVERAGE AND
INTENSITY AFTER 10 PM EDT.

WSS
Local storm report, Jul 3, 5:28 PM EDT, 3 hours 31 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH, NC
528 PM EDT WED JUL 3 2002

TIME(EDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0440 PM    10 S WADESBORO            NC   WIND DAMAGE
07/03/02   ANSON                          TREES WERE BLOWN DOWN
                                          AROUND MORVEN.

0520 PM    5 NW SUMMERFIELD          NC   1.75 INCH HAIL
07/03/02   GUILFORD                       GOLF BALL SIZE HAIL
                                          REPORTED BY A SPOTTER IN
                                          STOKESDALE.

DGS
Special weather statement, Jul 3, 5:50 PM EDT, 3 hours 9 minutes before
NCZ021>023-032300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
550 PM EDT WED JUL 3 2002

...STRONG THUNDERSTORMS WILL CONTINUE ACROSS TRIAD REGION THROUGH 7
PM EDT...

SCATTERED THUNDERSTORMS WILL PRODUCE FREQUENT LIGHTNING...SMALL
HAIL...WIND GUSTS TO 40 MPH AND TORRENTIAL DOWNPOURS ACROSS THE
TRIAD REGION THROUGH 7 PM.  MOST OF THE HEAVIEST RAIN WILL OCCUR
ALONG AND NORTH OF I 40.  UP TO TWO AND A HALF INCHES OF RAIN WILL
FALL IN LESS THAN AN HOUR IN THE STRONGER STORMS. THIS WILL RESULT
IN WATER FLOWING OVER ROADWAYS...CREATING DANGEROUS DRIVING
CONDITIONS AND BRIEF FLOODING OF UNDERPASSES AND SOME INTERSECTIONS.

THE CLOUD TO GROUND LIGHTNING STRIKES WILL ALSO POSE ANOTHER HAZARD.
MOVE INDOORS IMMEDIATELY AT THE FIRST SIGN OF THREATENING WEATHER.
ONCE INDOORS...STAY AWAY FROM WINDOWS AND REFRAIN FROM USING THE
TELEPHONE AND OTHER ELECTRICAL APPLIANCES.

WSS
Special weather statement, Jul 3, 8:02 PM EDT, 57 minutes before
NCZ007-021>024-038>040-073-074-083-040030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
802 PM EDT WED JUL 3 2002

...SEVERE THUNDERSTORM WATCH 489 ISSUED THIS AFTERNOON FOR THE
WESTERN SECTIONS OF CENTRAL NORTH CAROLINA HAS EXPIRED...

THE SEVERE THUNDERSTORM WATCH ISSUED THIS AFTERNOON FOR THE WESTERN
COUNTIES OF CENTRAL NORTH CAROLINA HAS EXPIRED.  THE SEVERE WEATHER
THREAT HAS DIMINISHED...THUS THE WATCH WAS NOT EXTENDED BEYOND 8 PM
EDT.

WHILE THE SEVERE WEATHER THREAT HAS DIMINISHED...SCATTERED
THUNDERSTORMS ARE STILL A POSSIBILITY FOR THE REST OF THE
EVENING...MAINLY OVER THE NORTHEAST PIEDMONT AND THE NORTHERN
COASTAL PLAIN OF CENTRAL NORTH CAROLINA.

WSS

The office that day

Everything else NWS Raleigh, NC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 4, 3:35 PM EDTSevere Thunderstorm WarningRAHGuilford25 min
Jul 4, 4:04 PM EDTSevere Thunderstorm WarningRAHGuilford26 min
Jul 4, 4:08 PM EDTSevere Thunderstorm WarningRAHJohnston22 min
Jul 4, 4:48 PM EDTSevere Thunderstorm WarningRAHEdgecombe27 min
Jul 4, 5:40 PM EDTSevere Thunderstorm WarningRAHOrange20 min
Jul 4, 6:24 PM EDTSevere Thunderstorm WarningRAHNash36 min
Jul 4, 6:26 PM EDTSevere Thunderstorm WarningRAHNash34 min
Jul 4, 6:34 PM EDTSevere Thunderstorm WarningRAHMontgomery26 min
Jul 4, 6:48 PM EDTSevere Thunderstorm WarningRAHMoore27 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 2002Every severe thunderstorm warning in 2002

Sources

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