Alert archive / North Carolina / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 67, NWS Raleigh, NC

May 21, 2000Sampson County, North Carolina

NWS Raleigh, NC issued this severe thunderstorm warning at May 21, 2000, 7:46 PM EDT for Sampson County, North Carolina. It was in force for 44 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: May 21, 2000, 7:46 PM EDT (23:46 UTC)
Expired: May 21, 2000, 8:30 PM EDT
In force: 44 min
Issued by: NWS Raleigh, NC
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Sampson County, NC

The nearest sounding before it

Newport, NC (KMHX), launched 12:00Z, 11.8 hours before the alert went out and 140 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 2111 m above ground
0-6 km bulk shear: 38 kt
0-1 km storm-relative helicity: 104 m²/s²
0-3 km storm-relative helicity: 92 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

093 
WUUS52 KRAH 212347
SVRRDU
NCC163-220030-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE RALEIGH NC
746 PM EDT SUN MAY 21 2000

THE NATIONAL WEATHER SERVICE IN RALEIGH HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CENTRAL AND SOUTHERN SAMPSON COUNTY IN NORTH CAROLINA

* UNTIL 830 PM EDT

* AT 746 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 6 MILES SOUTHEAST OF ROSEBORO...OR ABOUT 11
  MILES SOUTHWEST OF CLINTON...MOVING NORTHEAST AT 25 MPH.

* SOME LOCATIONS AFFECTED BY THIS STORM INCLUDE...
  CLINTON
  ROSEBORO
  SALEMBURG
  TURKEY

HAIL UP TO ONE INCH IN DIAMETER IS EXPECTED FROM THIS STORM. IF YOU
ARE IN THE STORMS PATH...SEEK SHELTER INDOORS.

LAT...LON 3494 7854 3479 7843 3475 7822 3518 7817
          3505 7851

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 May 21, 2:00 PM EDT, 5 hours 46 minutes earlier.

Area forecast discussion, May 21, 2:00 PM EDT, 5 hours 46 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE RALEIGH NC
200 PM EDT SUN MAY 21 2000

ETA IS STILL MODEL OF CHOICE AND IT INDICATES ANOTHER ACTIVE NIGHT
AS NEXT S/W PASSES THROUGH THE TROUGH. MONDAY MAY BE JUST WIDELY
SCATTERED TRW NEAR THE SFC BOUNDARY. APPROACH OF YET ANOTHER WAVE
WILL BRING PCPN INTO WESTERN COUNTIES LATE MON NIGHT WITH TUESDAY
NOW LOOKING WET. HOPE ALL THIS PANS OUT AS WE NEED THE RAIN.

.RAH...NONE.

GL

In the hours before

Local storm report, May 21, 5:19 PM EDT, 2 hours 27 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH/DURHAM NC
519 PM EDT SUN MAY 21 2000

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

0518 PM    GODWIN                    NC   .75 INCH HAIL
05/21/00   CUMBERLAND

Local storm report, May 21, 6:32 PM EDT, 1 hour 14 minutes before

PRELIMINARY LOCAL STORM REPORT...CORRECTED FOR REPORT TIME
NATIONAL WEATHER SERVICE RALEIGH/DURHAM NC
632 PM EDT SUN MAY 21 2000

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

0532 PM    3 S SPIVEYS CORNER        NC   .75 INCH HAIL
05/21/00   SAMPSON

Local storm report, May 21, 6:49 PM EDT, 57 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH/DURHAM NC
649 PM EDT SUN MAY 21 2000

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

0535 PM    5 N LAURINBURG            NC   .75 INCH HAIL
05/21/00   SCOTLAND

Local storm report, May 21, 7:04 PM EDT, 42 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH/DURHAM NC
704 PM EDT SUN MAY 21 2000

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

0655 PM    ROBBINS                   NC   1.75 INCH HAIL
05/21/00   MOORE

Local storm report, May 21, 7:13 PM EDT, 33 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH/DURHAM NC
713 PM EDT SUN MAY 21 2000

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

0700 PM    CANDOR                    NC   1.00 INCH HAIL
05/21/00   MONTGOMERY                     REPORTED BY POLICE

Local storm report, May 21, 7:42 PM EDT, 4 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH/DURHAM NC
742 PM EDT SUN MAY 21 2000

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

0738 PM    SILER CITY                NC   1.75 INCH HAIL
05/21/00   CHATHAM

The office that day

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

Issued	Product	Office	Counties	Lasted
May 20, 8:09 PM EDT	Severe Thunderstorm Warning	RAH	Alamance, Durham, Orange	36 min
May 20, 8:28 PM EDT	Severe Thunderstorm Warning	RAH	Franklin, Granville, Wake	47 min
May 20, 8:28 PM EDT	Severe Thunderstorm Warning	RAH	Durham	47 min
May 20, 9:28 PM EDT	Severe Thunderstorm Warning	RAH	Warren	22 min
May 20, 9:47 PM EDT	Severe Thunderstorm Warning	RAH	Halifax	33 min
May 20, 9:49 PM EDT	Severe Thunderstorm Warning	RAH	Warren	31 min
May 20, 10:11 PM EDT	Severe Thunderstorm Warning	RAH	Edgecombe	34 min
May 20, 10:44 PM EDT	Severe Thunderstorm Warning	RAH	Edgecombe	21 min
May 21, 1:36 AM EDT	Severe Thunderstorm Warning	RAH	Johnston, Wilson	24 min
May 21, 4:10 PM EDT	Severe Thunderstorm Warning	RAH	Harnett	35 min
May 21, 4:33 PM EDT	Severe Thunderstorm Warning	RAH	Cumberland, Harnett	42 min
May 21, 5:03 PM EDT	Severe Thunderstorm Warning	RAH	Sampson	42 min
May 21, 5:32 PM EDT	Severe Thunderstorm Warning	RAH	Scotland	43 min
May 21, 6:35 PM EDT	Severe Thunderstorm Warning	RAH	Montgomery, Moore	40 min
May 21, 7:01 PM EDT	Severe Thunderstorm Warning	RAH	Randolph	44 min
May 21, 7:29 PM EDT	Severe Thunderstorm Warning	RAH	Chatham	41 min
May 21, 7:54 PM EDT	Tornado Warning	RAH	Sampson	36 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 2000 Every 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.