Alert archive / North Carolina / Severe Thunderstorm Warnings in 2002
Severe Thunderstorm Warning 117, NWS Wakefield, VA
NWS Wakefield, VA issued this severe thunderstorm warning at Jul 4, 2002, 2:01 PM EDT for Camden County, Currituck County, North Carolina. It was in force for 29 min. 2 reports 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 4, 2002, 2:01 PM EDT (18:01 UTC)
- Expired
- Jul 4, 2002, 2:30 PM EDT
- In force
- 29 min
- Issued by
- NWS Wakefield, VA
- Area
- Whole counties
Counties Camden County, NC, Currituck County, NC
The radar
The Norfolk radar (KAKQ), 110 km from the middle of the area, began a volume at 18:05 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
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 4, 2:15 PM EDT | Hail 1 | Moyock, NC | |
| Jul 4, 2:15 PM EDT | Hail 0.75 | Camden, 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
Newport, NC (KMHX), launched 12:00Z, 6.0 hours before the alert went out and 191 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.
- Mixed-layer CAPE
- 1567 J/kg
- Mixed-layer CIN
- -72 J/kg
- Mixed-layer LCL
- 1142 m above ground
- 0-6 km bulk shear
- 5 kt
- 0-1 km storm-relative helicity
- 20 m²/s²
- 0-3 km storm-relative helicity
- 80 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 Wakefield, VA wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 4, 10:00 AM EDT, 4 hours 1 minute earlier.
Area forecast discussion, Jul 4, 10:00 AM EDT, 4 hours 1 minute before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE WAKEFIELD, VA 1000 AM EDT THU JUL 4 2002 ONCE AGAIN TODAY...MORNING SOUNDINGS SHOW AMS EXTREMELY UNSTABLE...WITH NOT MUCH OF A CAP...ALTHOUGH LOWER LEVELS ARE NOT THAT MOIST...WITH DEWPTS DROPPING OFF WITH HEIGHT. MODIFIED REGIONAL SOUNDINGS SUGGEST 4000 TO 5000 J/KG OF CAPE GIVEN REALISTIC FCAST MAX TEMPS. GIVEN UNSTABLE AMS...BUT LACK OF ANY SYNOPTIC SCALE FORCING...AND WEAK SHEAR...EXPECT PULSE STORMS TO DEVELOP ONCE AGAIN THIS AFTERNOON IN VICINITY OF ANY BOUNDARIES. ATTM...WINDS MOSTLY LIGHT N OVER INTERIOR SECTIONS...AND CALM SE...WITH WEAK CONVERGENCE OVER SE SECTIONS. OUTFLOW BOUNDARIES FROM YDAS CONVECTION...AND WEAK SFC PRES GRADIENTS...MAKING FOR MOSTLY LIGHT NORTHERLY WINDS ACROSS MOST OF THE CWA THIS MORNING...WITH CALM WINDS SE...SO WEAK CONVERGENCE AXIS TODAY FARTHER S AND E THAN YDA. FOR THIS REASON...MIGHT EXPECT DEVELOPMENT (WIDELY SCT) TO BE A LITTLE FARTHER E...BUT HARD TO SAY EXACTLY HOW CONVERGENCE FIELDS WILL LOOK THIS AFTERNOON. FOR NOW...WILL KEEP LOW POPS EVERYWHERE...AND MONITOR VISIBLE SATELLITE FOR CU DEVLOPMENT TO GIVE CLUES AS TO WHERE AFTERNOON CONCENTRATION WILL BE. OTHER BIG STORY IS HEAT. HEAT ADVISORY REMAINS IN EFFECT FOR MUCH OF THE REGION...AS WERE LOOKING AT A SECOND DAY OF HEAT INDICES ABOVE 105 MOST INTERIOR LOCATIONS. MAY APPROACH RECORDS TODAY...WITH BEST CHANCE OF REACHING RECORD BEING AT RIC. RECORDS BELOW... RIC 98 SET IN 1900 ORF 98 SET IN 1997 SBY 100 SET IN 1919 ECG 100 SET IN 1997 FCSTID = 18 SBY 96 71 89 61 / 30 30 20 10 OXB 90 74 86 64 / 20 20 20 10 ECG 93 74 90 70 / 20 20 30 10 ORF 95 75 90 71 / 20 20 30 10 PHF 96 74 91 70 / 20 20 30 10 AKQ 98 72 93 68 / 30 30 30 10 RIC 99 72 91 65 / 30 30 20 10 FVX 96 72 92 64 / 30 30 20 10 .AKQ... MD...HEAT ADVISORY FOR TODAY FOR ZONES MDZ021>024. NC...HEAT ADVISORY FOR TODAY FOR ZONES NCZ012>013...NCZ015... NCZ030>032...NCZ014. VA...HEAT ADVISORY FOR TODAY FOR ZONES VAZ048>049...VAZ060>097... VAZ099>100. REILLY
In the hours before
Special weather statement, Jul 4, 10:30 AM EDT, 3 hours 31 minutes before
MDZ021>025-NCZ012>017-030>032-VAZ048-049-060>100-042000- SEVERE WEATHER OUTLOOK...CORRECTED ISSUANCE DATE NATIONAL WEATHER SERVICE WAKEFIELD VA 1030 AM EDT THU JUL 4 2002 ...ISOLATED SEVERE THUNDERSTORMS ARE POSSIBLE THIS AFTERNOON AND EVENING... THIS AFTERNOON...MUCH LIKE YESTERDAY...WIDELY SCATTERED THUNDERSTORMS ARE EXPECTED TO DEVELOP OVER CENTRAL VIRGINIA AND THE MARYLAND EASTERN SHORE. ISOLATED THUNDERSTORMS WILL ALSO BE POSSIBLE OVER THE REST OF SOUTHEAST VIRGINIA...PORTIONS OF THE LOWER EASTERN SHORE...AND NORTHEAST NORTH CAROLINA. ALTHOUGH THUNDERSTORMS ARE NOT EXPECTED TO BE WIDESPREAD...ANY THUNDERSTORMS THAT DO DEVELOP HAVE THE POTENTIAL TO BE SEVERE...AS THE ATMOSPHERE IS VERY UNSTABLE. SPOTTER ACTIVATION...SKYWARN SPOTTER ACTIVATION MAY BE NEEDED THIS AFTERNOON AND EVENING. THE SEVERE WEATHER THREAT INCLUDES THE FOLLOWING... WIND GUSTS TO 60 MPH...HAIL UP TO THREE QUARTER INCH IN DIAMETER...AND LOCALLY HEAVY RAINFALL...AS THE STORMS WILL BE SLOW MOVING. SHOULD THE SLOW MOVING STORMS BECOME POSITIONED OVER URBAN AREAS...LOCALIZED FLOODING WILL BE POSSIBLE. STAY TUNED TO NOAA WEATHER RADIO OR YOUR LOCAL MEDIA FOR FURTHER DETAILS OR UPDATES. REILLY
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.