Alert archive / North Carolina / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 11, NWS Raleigh, NC
NWS Raleigh, NC issued this severe thunderstorm warning at Apr 2, 1990, 6:39 PM EDT for Durham County, Orange County, North Carolina. It was in force for 36 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 2, 1990, 6:39 PM EDT (22:39 UTC)
- Expired
- Apr 2, 1990, 7:15 PM EDT
- In force
- 36 min
- Issued by
- NWS Raleigh, NC
- Area
- Whole counties
Counties Durham County, NC, Orange County, NC
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 2, 6:46 PM EDT | Hail 1 | Durham, 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. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.
The nearest sounding before it
Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 10.7 hours before the alert went out and 81 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
- 5 J/kg
- Mixed-layer CIN
- -95 J/kg
- Mixed-layer LCL
- 1369 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- -16 m²/s²
- 0-3 km storm-relative helicity
- 57 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 022240
SVRRDU
NCC063-135-022315-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE RALEIGH NC
639 PM EDT MON APR 2 1990
THE NATIONAL WEATHER SERVICE IN RALEIGH HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 715 PM EDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
IN NORTH CENTRAL NORTH CAROLINA
...NORTHERN DURHAM...NORTHERN ORANGE
AT 635 PM EDT NATIONAL WEATHER SERVICE RADAR SHOWED A SEVERE
THUNDERSTORM 5 MILES NORTH OF HILLSBOROUGH IN NORTHERN ORANGE COUNTY.
THIS STORM WAS MOVING TOWARD THE EAST AT 30 MPH...INTO NORTHERN DURHAM
COUNTY.
PEOPLE IN THE PATH OF THIS STORM SHOULD BE ALERT FOR LARGE HAIL AND
DAMAGING WINDS. FREQUERNT LIGHTNING AND LOCALLY HEAVY RAIN CAN OCCUR
WITH ANY THUNDERSTORM.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 2, 4:15 PM EDT, 2 hours 24 minutes before
NCZ006-007-030330- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENSBORO NC 400 PM EDT MON APR 2 1990 ...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 900 PM EDT FOR THE NORTHERN FOOTHILLS AND NORTHWEST PIEDMONT OF NORTH CAROLINA... AT 345 PM EDT NATIONAL WEATHER SERVICE RADAR SHOWS AN AREA OF THUNDERSTORMS WITH HEAVY RAIN AND PEA SIZE HAIL IN THE WALNUT COVE AREA OF STOKES COUNTY. THIS AREA ALSO COVERS ROCKINGHAM AND CASWELL COUNTIES WITH THUNDERSTORMS AND HEAVY RAIN. OTHER THUNDERSTORMS ARE MOVING EAST THROUGH WILKES AND ALLEGHANY COUNTIES...ON RADAR THESE THUNDERSTORMS SHOW TO BE LIGHT IN INTENSITY. REPORTS INDICATE THE THE THUNDERSTORMS THROUGHOUT THE REGION ARE MOVING EAST AT 35 MPH. PERSONS IN THE SEVERE THUNDERSTORM WATCH AREA SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS THIS AFTERNOON AND TAKE APPROPIATE ACTION IF NECCESSARY. LISTEN TO NOAA WEATHER RADIO FOR THE LATEST STATEMENTS AND ANY POSSIBLE WARNI}NGS. IF YOU HAVE REPORTS OF HAIL...HIGH WINDS...VERY HEAVY DOWNPOURS OR ANY TYPE OF SEVERE WEATHER...MAKE THE REPORT TO THE COUNTY SHERIFF WHO WILL IN TURN FILE THE REPORT WITH THE NATIONAL WEATHER SERVICE. RJD
Special weather statement, Apr 2, 5:03 PM EDT, 1 hour 36 minutes before
NCZ003>005-014-015-022200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE RALEIGH/DURHAM, NC 500 PM EDT MON APR 2 1990 ...SEVERE THUNDERSTORM WATCH IN EFFECT FOR THE COASTAL PLAIN..SANDHILLS AND NORTHEAST PIEDMONT UNTIL 1100PM EDT... AT 455 PM EDT NATIONAL WEATHER SERVICE RADAR SHOWED TWO THUNDERSTORM CELLS MOVING EAST AT 30 MPH TOWARD THE SANDHILLS AND THE NORTHEAST PIEDMONT OF NORTH CAROLINA. THE FIRST WAS OVER NORTHERN RICHMOND AND SOUTHERN MOORE COUNTIES...AND SHOULD BE IN THE SOUTHERN PINES AREA BETWEEN 500 AND 515 PM. THE SECOND WAS BETWEEN GREENSBORO AND REIDSVILLE ...AND SHOULD BE IN ORANGE COUNTY AND SOUTHERN PERSON COUNTY AROUND 600PM. ANOTHER THUNDERSTORM WAS JUST BEGINNING TO FORM SOUTHWEST OF GOLDSBORO IN SOUTHERN JOHNSTON COUNTY AND SOUTHWEST WAYNE COUNTY. LISTEN TO LOCAL RADIO..TV..OR WEATHER RADIO FOR LATER STATEMENTS OR POSSIBLE WARNINGS. HLW
Special weather statement, Apr 2, 5:10 PM EDT, 1 hour 29 minutes before
NCZ006-007-030330- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENSBORO NC 510 PM EDT MON APR 2 1990 ...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 900 PM EDT FOR THE NORTHERN FOOTHILLS AND NORTHWEST PIEDMONT OF NORTH CAROLINA... AT 445 PM EDT NATIONAL WEATHER SERVICE RADAR SHOWS AN AREA OF THUNDERSTORMS WITH HEAVY RAIN AND PEA SIZE HAIL MOVING THROUGH SOUTHERN ROCKINGHAM COUNTY...ALONG THE GUILFORD COUNTY LINE. ALL REPORTS ON THIS THUNDERSTORM HAS IT LEAVING PEA SIZE HAIL IN ITS WAKE. THE LARGER AREA HAS THUNDERSTORMS AND RAINSHOWERS COVERING ROCKINGHAM AND MOST OF CASWELL COUNTIES...THIS AREA IS MOVING EAST AT 40 MPH. OTHER THUNDERSTORMS WITH HEAVY RAIN HAVE DEVELOPED IN NORTHERN SURRY COUNTY JUST WEST OF MOUNT AIRY. NO MOVEMENT ON THIS STORM YET. ANOTHER THUNDERSTORM IS BEGINNING TO DEVELOPE IN SOUTHERN WILKES AND NORTHERN ALEXANDER COUNTIES. MOVEMENT ON THIS STORM IS EAST AT 30 MPH. PERSONS IN THE SEVERE THUNDERSTORM WATCH AREA SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND TAKE APPROPIATE ACTION IF NECCESSARY. IF YOU HAVE REPORTS OF HAIL...HIGH WINDS...VERY HEAVY DOWNPOURS OR ANY TYPE OF SEVERE WEATHER...MAKE THE REPORT TO THE COUNTY SHERIFF WHO WILL IN TURN FILE THE REPORT WITH THE NATIONAL WEATHER SERVICE. RJD
Special weather statement, Apr 2, 6:15 PM EDT, 24 minutes before
NCZ006-007-030330- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENSBORO NC 610 PM EDT MON APR 2 1990 ...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 900 PM EDT FOR THE NORTHERN FOOTHILLS...NORTHERN MOUNTAINS...AND NORTHWEST PIEDMONT OF NORTH CAROLINA... AT 600 PM EDT NATIONAL WEATHER SERVICE RADAR SHOWS A WIDE LINE OF THUNDERSTORMS AND RAINSHOWERS THAT STRETCHES FROM THE NORTHEAST CORNER OF STOKES COUNTY ...THROUGH SURRY...FORSYTH...YADKIN...DAVIE...AND IREDELL COUNTIES.THE HEAVIEST THUNDERSTORMS ARE IN THE NORTHEAST CORNER STOKES COUNTY AND IN FORSYTH JUST WEST OF WINSTON-SALEM. THE LINE IS MOVING EAST AT 15 MPH. A THUNDERSTORM WITH HAIL AND HEAVY RAIN HAS MOVED OUT OF CASWELL AND ALAMANCE COUNTIES INTO ORANGE COUNTY...THIS STORM HAS SLOWED TO ABOUT 20 MPH AND HAS INCREASED IN INTENSITY. PERSONS IN THE SEVERE THUNDERSTORM WATCH AREA THIS EVENING SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND TAKE APPROPIA5TE ACTION IF NECESSARY. RJD
The office that day
Everything else NWS Raleigh, NC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 1, 8:38 PM EDT | Severe Thunderstorm Warning | RAH | Scotland | 52 min |
| Apr 1, 11:08 PM EDT | Severe Thunderstorm Warning | RAH | Hoke | 37 min |
| Apr 1, 11:19 PM EDT | Severe Thunderstorm Warning | RAH | Cumberland | 41 min |
| Apr 2, 12:06 AM EDT | Severe Thunderstorm Warning | RAH | Cumberland | 24 min |
| Apr 2, 5:10 PM EDT | Severe Thunderstorm Warning | RAH | Moore | 35 min |
| Apr 2, 5:39 PM EDT | Severe Thunderstorm Warning | RAH | Hoke | 36 min |
| Apr 2, 6:14 PM EDT | Severe Thunderstorm Warning | RAH | Cumberland, Harnett | 46 min |
| Apr 2, 6:47 PM EDT | Tornado Warning | RAH | Durham, Orange | 43 min |
| Apr 2, 6:58 PM EDT | Tornado Warning | RAH | Granville, Wake | 32 min |
| Apr 2, 7:10 PM EDT | Severe Thunderstorm Warning | RAH | Cumberland | 20 min |
| Apr 2, 7:31 PM EDT | Severe Thunderstorm Warning | RAH | Franklin | 59 min |
Nearby
Severe Thunderstorm Warnings in North Carolina, 1990Every severe thunderstorm warning in 1990
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.