Alert archive / North Carolina / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 14, NWS Raleigh, NC

May 1, 1994Johnston County, North Carolina

NWS Raleigh, NC issued this severe thunderstorm warning at May 1, 1994, 7:05 PM EDT for Johnston County, North Carolina. It was in force for 25 min.

The area

The counties it named.

The facts

Issued
May 1, 1994, 7:05 PM EDT (23:05 UTC)
Expired
May 1, 1994, 7:30 PM EDT
In force
25 min
Issued by
NWS Raleigh, NC
Area
Whole counties

County Johnston County, NC

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 11.1 hours before the alert went out and 152 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, Greensboro/Hi Pt, NC at 12:00Z on 1994-05-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 298 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, Greensboro/Hi Pt, NC at 12:00Z on 1994-05-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 215 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
298 J/kg
Mixed-layer CIN
-74 J/kg
Mixed-layer LCL
659 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
215 m²/s²
0-3 km storm-relative helicity
213 m²/s²
Significant tornado parameter
0.2
Supercell composite
1.9

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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, May 1, 5:34 PM EDT, 1 hour 31 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH/DURHAM, NC
534 PM EDT SUN MAY 01 1994

TIME           EVENT

535 PM EDT     JOHNSTON COUNTY NORTH CAROLINA...GOLFBALL SIZE HAIL
               5 MILES EAST OF SMITHFIELD AND ALSO DIME SIZE HAIL
               EXTREME SOUTHERN JOHNSTON NEAR SAMPSON COUNTY LINE.
               EVENTS OCCURRING AT TIME OF CALL FROM SHERIFF`S
               OFFICE.

KK
Local storm report, May 1, 5:37 PM EDT, 1 hour 28 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH/DURHAM, NC
534 PM EDT SUN MAY 01 1994

TIME           EVENT

535 PM EDT     JOHNSTON COUNTY NORTH CAROLINA...GOLFBALL SIZE HAIL
             t  5 MILES EAST OF SMITHFIELD AND ALSO DIME SIZE HAIL
               EXTREME SOUTHERN JOHNSTON NEAR SAMPSON COUNTY LINE.
               EVENTS OCCURRING AT TIME OF CALL FROM SHERIFF`S
               OFFICE.

KK
Local storm report, May 1, 6:00 PM EDT, 1 hour 5 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH/DURHAM, NC
557 PM EDT SUN MAY 01 1994

TIME           EVENT

558 PM EDT     EDGECOMBE COUNTY NORTH CAROLINA...QUARTER SIZE HAIL
               SOUTHERN EDGECOMBE COUNTY NEAR MACCLESFIELD AND ALSO DIME
               SIZE JUST NORTH OF MACCLESFIELD IN PINETOPS.

KK
Local storm report, May 1, 6:35 PM EDT, 30 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH/DURHAM, NC
634 PM EDT SUN MAY 01 1994

TIME           EVENT

630 PM EDT     HARNETT COUNTY NORTH CAROLINA...DIME SIZE HAIL IN
               PROGRESS IN LILLINGTON IN CENTRAL HARNETT...
               REPORTED BY SHERIFF`S OFFICE.

KK
Local storm report, May 1, 6:56 PM EDT, 9 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH/DURHAM, NC
656 PM EDT SUN MAY 01 1994

TIME           EVENT

640 PM EDT     HARNETT COUNTY NORTH CAROLINA...DIME SIZE HAIL
               JUST WEST OF LILLINGTON REPORTED BY SHERIFF`S OFFICE.
HLW

ED BY SHERIFF`S OFFICE.

KK

 IN PINETOPS.

KK
Local storm report, May 1, 6:58 PM EDT, 7 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH/DURHAM, NC
656 PM EDT SUN MAY 01 1994

TIME           EVENT

640 PM EDT     HARNETT COUNTY NORTH CAROLINA...DIME SIZE HAIL
               JUST WEST OF LILLINGTON REPORTED BY SHERIFF`S OFFICE.
HLW

The office that day

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

IssuedProductOfficeCountiesLasted
May 1, 1:40 PM EDTSevere Thunderstorm WarningRAHJohnston35 min
May 1, 2:21 PM EDTSevere Thunderstorm WarningRAHScotland54 min
May 1, 5:22 PM EDTSevere Thunderstorm WarningRAHWilson38 min
May 1, 5:24 PM EDTSevere Thunderstorm WarningRAHJohnston36 min
May 1, 5:44 PM EDTSevere Thunderstorm WarningRAHWayne46 min
May 1, 5:50 PM EDTSevere Thunderstorm WarningRAHEdgecombe25 min
May 1, 6:07 PM EDTTornado WarningRAHEdgecombe23 min
May 1, 6:31 PM EDTSevere Thunderstorm WarningRAHHarnett29 min
May 1, 6:55 PM EDTSevere Thunderstorm WarningRAHEdgecombe35 min
May 1, 7:08 PM EDTSevere Thunderstorm WarningRAHPitt37 min
May 1, 7:34 PM EDTTornado WarningRAHHarnett, Johnston26 min
May 1, 7:46 PM EDTSevere Thunderstorm WarningRAHJohnston29 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 1994Every severe thunderstorm warning in 1994

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.