Alert archive / North Carolina / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 17, NWS Newport/Morehead City, NC

April 21, 2000Craven County, North Carolina

NWS Newport/Morehead City, NC issued this severe thunderstorm warning at Apr 21, 2000, 8:53 PM EDT for Craven County, North Carolina. It was in force for 37 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
Apr 21, 2000, 8:53 PM EDT (00:53 UTC)
Expired
Apr 21, 2000, 9:30 PM EDT
In force
37 min
Issued by
NWS Newport/Morehead City, NC
Area
Whole counties

County Craven County, NC

The radar

The Morehead City radar (KMHX), 42 km from the middle of the area, began a volume at 00:55 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
Apr 21, 9:08 PM EDTHail 0.75New Bern, 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 00:00Z, 0.9 hours before the alert went out and 42 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 00:00Z on 2000-04-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1125 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, Newport, NC at 00:00Z on 2000-04-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 112 square meters per square second.1939587897Sfc1 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
1125 J/kg
Mixed-layer CIN
-46 J/kg
Mixed-layer LCL
655 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
112 m²/s²
0-3 km storm-relative helicity
85 m²/s²
Significant tornado parameter
0.5
Supercell composite
2.9

Open this sounding in Storm Lab

The text

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

987 
WUUS52 KMHX 220055
SVRMHX
NCC049-220130-

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

THE NATIONAL WEATHER SERVICE IN NEWPORT HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CENTRAL CRAVEN COUNTY IN EASTERN NORTH CAROLINA

* UNTIL 930 PM EDT

* AT 853 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 3 MILES SOUTHWEST OF RIVER BEND...MOVING
  NORTHEAST AT 25 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
   RIVER BEND AT 859 PM EDT.
   NEW BERN....TRENT WOODS AT 905 PM EDT.
   BRIDGETON AT 907 PM EDT.

LARGE HAIL IS POSSIBLE WITH THIS STORM. IF YOU ARE IN THE PATH OF 
THE STORM...PUT YOUR CAR IN A GARAGE.

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

NNNN

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, 2:08 PM EDT, 6 hours 45 minutes earlier.

Area forecast discussion, Apr 21, 2:08 PM EDT, 6 hours 45 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NEWPORT/MOREHEAD CITY NC
208 PM EDT FRI APR 21 2000

FORECAST PROBLEM OF THE DAY...THUNDERSTORMS THIS EVENING AND WHETHER
IT WILL RAIN TOMORROW.

MODELS IN DECENT AGREEMENT THIS RUN WITH DEVELOPING A SFC LOW OVER
S VA THIS AFTERNOON AND TAKING IT SLOWLY NE TO JUST OFF THE NY COAST
BY 12Z SUNDAY.  COLD FRONT WILL MOVE THRU OUR CWA TONIGHT AND NEAR OR
SLIGHTLY OFF THE COAST BY AROUND 06Z. H5 LOW OVER OHIO VALLEY THIS
AFTERNOON WILL TRACK SE THRU 00Z SUNDAY THEN LIFT NE. BEST DYNAMICS
ARE N OF OUR CWA AND SPC HAS SVR TSTM WATCH THRU 21Z TO OUR N. ANY
TSTMS THAT DO DEVELOP OVER OUR CWA HAVE THE POTENTIAL OF BECOMING
SVR ACROSS OUR CWA WITH CAPES 2000-3000J/KG...LIMITING FACTOR IS LACK
OF LOW LEVEL MOISTURE. A VORT MAX ROTATING OUT OF COLD UPPER LOW MAY
TRIGGER SOME SPRINKLES TOMORROW AND WILL GO WITH 30% POPS. AT ANY
RATE WE WILL SEE A GOOD BIT OF CLOUDS ACROSS MUCH OF THE CWA
TOMORROW...THE ONLY EXCEPTION POSSIBLY WOULD BE SOUTHERN PART OF
CWA. DECREASING CLOUDS SHOULD OCCUR SAT NIGHT AS LOWS (SFC & H5)
LIFT NE AND LOW LEVEL MOISTURE DECREASES. LOTS OF SUNSHINE SUNDAY
AND WARMER.

TEMPS...WHERE DIFFERENT WILL FAVOR FAN TEMPS AS THEY ARE MORE IN
LINE WITH LOCAL SCHEMES.

EXTENDED...MRF LOOKS DRY UNTIL MID WEEK THEN A SERIES OF LOWS
MOVE ACROSS OR NEAR OUR CWA. TEMPS AT OR SLIGHTLY BELOW SEASONAL
NORMALS.

CWF...SCA FOR STIFF SW WINDS TONIGHT BECOMING W LATE. W-NW WINDS
BELOW SCA REST OF FCST PD.

.MHX...SCA CSTL WTRS AND SNDS.

WS

In the hours before

Local storm report, Apr 21, 8:37 PM EDT, 16 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, 8:58 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
Apr 21, 10:43 PM EDTSevere Thunderstorm WarningMHXDare17 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.