Alert archive / North Carolina / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 22, NWS Newport/Morehead City, NC

April 21, 2000Dare County, North Carolina

NWS Newport/Morehead City, NC issued this severe thunderstorm warning at Apr 21, 2000, 10:43 PM EDT for Dare County, North Carolina. It was in force for 17 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.

The facts

Issued
Apr 21, 2000, 10:43 PM EDT (02:43 UTC)
Expired
Apr 21, 2000, 11:00 PM EDT
In force
17 min
Issued by
NWS Newport/Morehead City, NC
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Dare County, NC

The nearest sounding before it

Wallops Is Stn, VA (KWAL), launched 00:00Z, 2.7 hours before the alert went out and 178 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, Wallops Is Stn, VA at 00:00Z on 2000-04-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 604 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, Wallops Is Stn, VA at 00:00Z on 2000-04-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 168 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
604 J/kg
Mixed-layer CIN
-143 J/kg
Mixed-layer LCL
606 m above ground
0-6 km bulk shear
59 kt
0-1 km storm-relative helicity
168 m²/s²
0-3 km storm-relative helicity
171 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.

401 
WUUS52 KMHX 220244
SVRMHX
NCC055-220300-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NEWPORT-MOREHEAD CITY NC
1043 PM EDT FRI APR 21 2000

THE NATIONAL WEATHER SERVICE IN NEWPORT HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHWESTERN OUTER BANKS DARE COUNTY IN EASTERN NORTH CAROLINA

* UNTIL 1100 PM EDT

* AT 1043 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 5 MILES SOUTHWEST OF DUCK...MOVING NORTHEAST AT
  65 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
   DUCK AT 1045 PM EDT.

HAIL...INTENSE RAIN AND STRONG DAMAGING WINDS ARE LIKELY WITH THIS
STORM. TAKE COVER IN A SUBSTANTIAL SHELTER UNTIL THE STORM PASSES.

PLEASE REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY.
THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE.

NNNN

LAT...LON 3618 7591 3603 7578 3652 7479 3673 7496

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 Newport/Morehead City, NC wrote its last area forecast discussion before this severe thunderstorm warning went out at Apr 21, 10:24 PM EDT, 19 minutes earlier.

Area forecast discussion, Apr 21, 10:24 PM EDT, 19 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NEWPORT/MOREHEAD CITY NC
1024 PM EDT FRI APR 21 2000

ZFP: BAND OF TSRA CONT TO PRESS TO CST LATE THIS EVENING AHEAD OF
COLD FRONT. WILL BE ABLE TO LOWER OR REMOVE POP INLAND AS ACTVTY HAS
ENDED AND DONT EXPECT MUCH REDVLPMNT OVERNIGHT. WL ADJUST POPS FOR
CSTL COUNTIES BASED OF RDR CVRG AT RELEASE TIME. CRNT LOW TEMP FCST
LOOKS GOOD AS DRIER AND COOLER AIR WL GRADUALLY OVERSPREAD RGN AFTR
FROPA LTR.

CWF...BEST S TO SW WINDS CRNTLY SFTNG OFFSHR AS FRNT GETS CLSR. WL
NEED TO CONT SCA CSTL WTRS AS SEAS ARE RUFF. TOUGH CALL ON SNDS BUT
STILL GUSTY SO WL CONT MRGNL SCA.

.MHX...SCA CSTL WTRS AND SNDS.

FREDERICK

In the hours before

Local storm report, Apr 21, 8:37 PM EDT, 2 hours 6 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NEWPORT/MOREHEAD CITY, NC
837 PM EDT FRI APR 21 2000

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

0740 PM    JAMESVILLE                NC   .88 INCH HAIL
04/21/00   MARTIN                         REPORTED BY
                                          SPOTTER

0802 PM    KINSTON                   NC   .75 INCH HAIL
04/21/00   LENOIR                         REPORTED BY
                                          SPOTTER

RF

The office that day

Everything else NWS Newport/Morehead City, NC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 21, 8:48 PM EDTSevere Thunderstorm WarningMHXBeaufort42 min
Apr 21, 8:53 PM EDTSevere Thunderstorm WarningMHXCraven37 min
Apr 21, 8:58 PM EDTSevere Thunderstorm WarningMHXJones22 min
Apr 21, 9:27 PM EDTSevere Thunderstorm WarningMHXBeaufort18 min
Apr 21, 9:33 PM EDTSevere Thunderstorm WarningMHXPamlico27 min
Apr 21, 10:18 PM EDTSevere Thunderstorm WarningMHXTyrrell27 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 2000Every severe thunderstorm warning in 2000

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.