Alert archive / North Carolina / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 22, NWS Raleigh, NC

April 21, 1997Wayne County, North Carolina

NWS Raleigh, NC issued this severe thunderstorm warning at Apr 21, 1997, 8:03 PM EDT for Wayne County, North Carolina. It was in force for 27 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Apr 21, 1997, 8:03 PM EDT (00:03 UTC)
Expired: Apr 21, 1997, 8:30 PM EDT
In force: 27 min
Issued by: NWS Raleigh, NC
Area: Whole counties

County Wayne County, NC

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Apr 21, 4:15 PM EDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Newport, NC (KMHX), launched 00:00Z, 0.1 hours before the alert went out and 121 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: 434 J/kg
Mixed-layer CIN: -81 J/kg
Mixed-layer LCL: 804 m above ground
0-6 km bulk shear: 25 kt
0-1 km storm-relative helicity: 129 m²/s²
0-3 km storm-relative helicity: 196 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 1.3

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KRDU 220003 RRA
SVRRDU
NCC191-220030-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE RALEIGH/DURHAM NC
803 PM EDT MON APR 21 1997
 
THE NATIONAL WEATHER SERVICE IN RALEIGH/DURHAM HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  830 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN EAST CENTRAL NORTH CAROLINA
 
   ...SOUTHERN WAYNE COUNTY
 
AT 800 PM...WEATHER RADAR DETECTED A SEVERE THUNDERSTORM APPROACHING
DUDLEY FROM THE SOUTHWEST IN SOUTHERN WAYNE COUNTY. THIS STORM HAS BEEN
MOVING EAST NORTHEAST AT 25 TO 30 MPH.
 
 
ALTHOUGH NO TORNADOES HAVE BEEN DETECTED WITH THIS STORM, A TORNADO
WATCH REMAINS IN EFFECT. TORNADOES CAN DEVELOP WITHOUT WARNING 2FROM
A SEVERE THUNDERSTORM.  NOISE LIKE A ROARING TRAIN MAY BE YOUR ONLY
CLUE OF AN APPROACHING TORNADO. TAKE COVER IMMEDIATELY.

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.

In the hours before

Local storm report, Apr 21, 4:56 PM EDT, 3 hours 7 minutes before

PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE RALEIGH/DURHAM, NC
456 PM EDT MON APR 21 1997

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

0430 PM    SEYMOUR JOHNSON AFB       NC   <.5 INCH HAIL
04/21/97   WAYNE                          PEA SIZE HAIL

0430 PM    MT OLIVE                  NC   .5 INCH HAIL
04/21/97   WAYNE                          MARBLE SIZE HAIL IN MT
                                          OLIVE REPORTED BY
                                          SHERIFFS DEPUTY

0435 PM    GOLDSBORO                 NC   1.75 INCH HAIL
04/21/97   WAYNE                          NEAR GOLFBALL SIZE HAIL
                                          REPORTED BY SHERIFFS
                                          DEPUTY AT THE HWY 70/111
                                          INTERSECTION JUST EAST OF
                                          GOLDSBORO

Local storm report, Apr 21, 4:57 PM EDT, 3 hours 6 minutes before

PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE RALEIGH/DURHAM, NC
456 PM EDT MON APR 21 1997

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

0430 PM    SEYMOUR JOHNSON AFB       NC   <.5 INCH HAIL
04/21/97   WAYNE                          PEA SIZE HAIL

0430 PM    MT OLIVE                  NC   .5 INCH HAIL
04/21/97   WAYNE                          MARBLE SIZE HAIL IN MT
                                          OLIVE REPORTED BY
                                          SHERIFF'S DEPUTY

0435 PM    GOLDSBORO                 NC   1.75 INCH HAIL
04/21/97   WAYNE                          NEAR GOLFBALL SIZE HAIL
                                          REPORTED BY SHERIFF'S
                                          DEPUTY AT THE HWY 70/111
                                          INTERSECTION JUST EAST OF
                                          GOLDSBORO

Special weather statement, Apr 21, 6:06 PM EDT, 1 hour 57 minutes before

NCZ013-014-030>032-212315-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE RALEIGH/DURHAM NC
606 PM EDT MON APR 21 1997

THE TORNADO WATCH...NUMBER 168...HAS BEEN CANCELED IN THE NORTHEAST
PORTION OF NORTH CAROLINA...INCLUDING THE FOLLOWING COUNTIES...
GATES...HERTFORD...BERTIE...CHOWAN...AND PERQUIMANNS.

THE TORNADO WATCH CONTINUES IN EFFECT SOUTH OF THOSE COUNTIES IN THE
CENTRAL AND SOUTHERN COASTAL AREAS AND CENTRAL AND SOUTHERN COASTAL
PLAIN...UNTIL 10 PM.

RFG

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 21, 9:40 PM EDT	Severe Thunderstorm Warning	RAH	Guilford	20 min
Apr 21, 9:47 PM EDT	Severe Thunderstorm Warning	RAH	Alamance	28 min
Apr 21, 10:17 PM EDT	Severe Thunderstorm Warning	RAH	Chatham, Orange	28 min
Apr 21, 10:30 PM EDT	Severe Thunderstorm Warning	RAH	Durham	45 min
Apr 21, 10:39 PM EDT	Severe Thunderstorm Warning	RAH	Wake	51 min
Apr 21, 11:14 PM EDT	Severe Thunderstorm Warning	RAH	Johnston	46 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 1997 Every severe thunderstorm warning in 1997

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.