Alert archive / North Carolina / Severe Thunderstorm Warnings in 1993
Severe Thunderstorm Warning 21, NWS Raleigh, NC
NWS Raleigh, NC issued this severe thunderstorm warning at Apr 21, 1993, 8:53 PM EDT for Granville County, North Carolina. It was in force for 37 min.
The area
The counties it named.
The facts
- Issued
- Apr 21, 1993, 8:53 PM EDT (00:53 UTC)
- Expired
- Apr 21, 1993, 9:30 PM EDT
- In force
- 37 min
- Issued by
- NWS Raleigh, NC
- Area
- Whole counties
County Granville County, NC
The nearest sounding before it
Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 0.9 hours before the alert went out and 115 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.
- Mixed-layer CAPE
- 1 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 733 m above ground
- 0-6 km bulk shear
- 83 kt
- 0-1 km storm-relative helicity
- -115 m²/s²
- 0-3 km storm-relative helicity
- -14 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KRDU 220053 COR SVRRDU NCC077-200130- BULLETIN - IMMEDIATE BROADCAST REQUESTED...CORRECTED DATE SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE RALEIGH/DURHAM NC 853 PM EDT WED APR 21 1993 THE NATIONAL WEATHER SERVICE IN RALEIGH/DURHAM HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 930 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN NORTH CENTRAL NORTH CAROLINA ...GRANVILLE COUNTY AT 852 PM PENNY SIZE HAIL WAS OCCURRING IN OXFORD IN GRANVILLE COUNTY. THE SEVERE THUNDERSTROM WAS MOVING NORTHEAST AT 45 MPH. PEOPLE AFFECTED BY THIS STORM SHOULD BE ESPECIALLY ALERT FOR LARGE HAIL AND DAMAGING WINDS. FREQUENT LIGHTNING AND LOCALLY HEAVY RAIN EMERGENCY OFFICIALS FOR RELAY TO THE NAT IONAL WEATHER SERVICE. &
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
Special weather statement, Apr 21, 4:11 PM EDT, 4 hours 42 minutes before
NCZ006-007-212100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENSBORO NC 405 PM EDT WED APR 21 1993 ...SHOWERS AND THUNDERSTORMS MOVING THROUGH WESTERN NORTH CAROLINA... AT 405 PM NATIONAL WEATHER SERVICE RADAR SHOWED SHOWERS AND THUNDERSTORMS SCATTERED ACCROSS WESTERN NORTH CAROLINA. THE STRONGEST STORM WAS IN SOUTHERN ROCKINGHAM COUNTY. THE SHOWERS AND THUNDERSTORMS IN THE NORTHWEST PIEDMONT AND NORTHERN FOOTHILLS WERE MOVING TO THE EAST AT 25 MPH. THESE STORMS ARE CAPABLE OF PRODUCING BRIEF GUSTY WINDS...HEAVY DOWNPOURS AND POSSIBLY SMALL HAIL. PERSONS IN THE NORTHERN FOOTHILLS AND NORTHWEST PIEDMONT SHOULD BE ALERT TO THE POTENTIAL FOR THUNDERSTORMS MOVING THROUGH THE REGION FOR THE REST OF THIS AFTERNOON. IF THREATENING WEATHER APPROACHES SEEK SHELTER IN A REINFORCED BUILDING UNTIL THE STORMS HAVE PASSED. STAY TUNED TO NOAA WEATHER RADIO OR YOUR LOCAL RADIO AND TELEVISION STATIONS FOR FURTHER UPDATES. GT~R
Special weather statement, Apr 21, 4:46 PM EDT, 4 hours 7 minutes before
NCZ005-212200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE RALEIGH/DURHAM NC 446 PM EDT WED APR 21 1993 NORTH CAROLINA SEVERE THUNDERSTORM OUTLOOK...ISOLATED SEVERE THUNDERSTORMS WITH LARGE HAIL AND DAMAGING WINDS ARE POSSIBLE ACROSS MUCH OF CENTRAL AND EASTERN NORTH CAROLINA THIS EVENING. LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. JBP
Special weather statement, Apr 21, 6:33 PM EDT, 2 hours 20 minutes before
NCZ005-014-192330- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE RALEIGH/DURHAM NC 634 PM EDT MON APR 19 1993 ...STRONG THUNDERSTORM IN LEE COUNTY... AT 631 PM EDT A STRONG THUNDERSTORM WAS LOCATED IN NORTHEAST LEE COUNTY JUST NORTHEAST OF SANFORD. THE STORM WAS MOVING NORTHEAST AT 45 MPH AND WILL CONTAIN BRIEF HEAVY DOWNPOURS GUSTY WINDS...AND POSSIBLY HAIL. THE STORM WILL MOVE ACROSS SOUTHEAST CHATHAM COUNTY NEAR BRICKHAVEN BY 7 PM AND POSSIBLY INTO SOUTHWEST WAKE COUNTY TO NEAR APEX BY 730 PM. PEOPLE IN THE PATH OF THIS STORM SHOULD SEEK APPROPRIATE SHELTER. MDV
Special weather statement, Apr 21, 7:44 PM EDT, 1 hour 9 minutes before
NCZ005-200045- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE RALEIGH/DURHAM NC 746 PM EDT MON APR 19 1993 ...LINE OF THUNDERSTORMS MOVING ACROSS THE NORTHEAST PIEDMONT... AT 745 PM EDT A LINE OF THUNDERSTORMS EXTENDED FROM THE VIRGINIA BORDER IN PERSON COUNTY SOUTHWARD THROUGH ORANGE AND EASTERN CHATHAM COUNTIES. THE STRONGEST STORMS WERE NEAR ROXBORO IN PERSON COUNTY AND HILLSBOROUGH IN ORANGE COUNTY. THE LINE WAS MOVING EAST AT 45 MPH AND WILL MOVE THROUGH THE TRIANGLE AREA BETWEEN 8 AND 9 PM. SOME OF THE STORMS MAY PRODUCE GUSTY WINDS...HEAVY RAIN...AND SMALL HAIL. IF THREATENING WEATHER APPROACHES SEEK SHELTER IMMEDIATELY. MDV
Local storm report, Apr 21, 8:17 PM EDT, 36 minutes before
STORM REPORT NATIONAL WEATHER SERVICE RALEIGH/DURHAM, NC 817 PM EDT WED APR 21 1993 TIME EVENT 815 PM EDT DIME SIZE HAIL IN THE CITY OF DURHAM IN DURHAM COUNTY. MDV
Local storm report, Apr 21, 8:17 PM EDT, 36 minutes before
STORM REPORT NATIONAL WEATHER SERVICE RALEIGH/DURHAM, NC 817 PM EDT WED APR 21 1993 TIME EVENT 815 PM EDT DIME SIZE HAIL IN THE CITY OF DURHAM IN DURHAM COUNTY. MDV
The office that day
Everything else NWS Raleigh, NC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 21, 8:11 PM EDT | Severe Thunderstorm Warning | RAH | Durham | 34 min |
Nearby
Severe Thunderstorm Warnings in North Carolina, 1993Every severe thunderstorm warning in 1993
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.