Alert archive / North Carolina / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 29, NWS Raleigh, NC
NWS Raleigh, NC issued this severe thunderstorm warning at May 10, 1990, 6:19 PM EDT for Halifax County, Northampton County, North Carolina. It was in force for 26 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
- May 10, 1990, 6:19 PM EDT (22:19 UTC)
- Expired
- May 10, 1990, 6:45 PM EDT
- In force
- 26 min
- Issued by
- NWS Raleigh, NC
- Area
- Whole counties
Counties Halifax County, NC, Northampton 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 |
|---|---|---|---|
| May 10, 6:25 PM EDT | Thunderstorm Wind 0 | Halifax, 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, 10.3 hours before the alert went out and 215 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- NaN m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 175 m²/s²
- 0-3 km storm-relative helicity
- 182 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KRDU 102221 SVRRDU NCC083-131-102245- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE RALEIGH NC 619 PM EDT THU MAY 10 1990 THE NATIONAL WEATHER SERVICE IN RALEIGH HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 645 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN NORTHEAST NORTH CAROLINA ...EASTERN HALIFAX COUNTY...NORTHHAMPTON COUNTY AT 617 PM EDT...WEATHER RADAR INDICATED A LINE OF POTENTIALLY SEVERE THUNDERSTORMS MOVING ACROSS EASTERN HALIFAX COUNTY TOWARD NORTHAMPTON COUNTY. THESE STORMS ARE MOVING EAST NORTHEAST AT 50 MPH. EARLIER THIS EVENING THESE THUNDERSTORMS PRODUCED DAMAGING WIND OVER NORTHERN NASH COUNTY. ALTHOUGH NO TORNADOES HAVE BEEN DETECTED WITH THIS STORM...A TORNADO WATCH REMAINS IN EFFECT. TORNADOES CAN DEVELOP WITHOUT WARNING FROM A SEVERE 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, May 10, 3:30 PM EDT, 2 hours 49 minutes before
NCZALL-102030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE RALEIGH/DURHAM, NC 330 PM EDT THU MAY 10 1990 TORNADO WATCH NUMBER 208 REMAINS IN EFFECT FOR A LARGE PART OF CENTRAL NORTH CAROLINA UNTIL 7 PM. HOWEVER...THE WATCH HAS BEEN CANCELLED FOR THE SOUTHERN PIEDMONT WHICH INCLUDES CHARLOTTE. DRY AIR SPREADING RAPIDLY INTO NORTH CAROLINA FROM THE WEST AND SOUTHWEST HAS STABILIZED THE ATMOSPHERE OVER MOST OF WESTERN NORTH CAROLINA. VERY UNSTABLE CONDITIONS EXIST IN THE EAST. TORNADO WATCH NUMBER 210 HAS BEEN ISSUED FOR MUCH OF EASTERN NORTH CAROLINA UNTIL 10 PM. NO REPORTS OF SEVERE WEATHER HAD BEEN RECEIVED BY 330 PM BUT THE POTENTIAL FOR RAPID SEVERE THUNDERSTORM DEVELOPMENT WILL EXIST UNTIL THE DRY AND STABLE AIR OVER WESTERN NORTH CAROLINA REACHES THE COAST TONIGHT. ^ LGL
Special weather statement, May 10, 4:11 PM EDT, 2 hours 8 minutes before
NCZALL-202100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE RALEIGH/DURHAM, NC 410 PM EDT THU MAY 10 1990 TORNADO WATCH NUMBER 208 IS STILL IN EFFECT FOR PORTIONS OF CENTRAL NORTH CAROLINA UNTIL 7 PM. HOWEVER...THE WATCH IS NO LONGER IN EFFECT FOR THE NORTHWEST PIEDMONT WHICH INCLUDES THE WINSTON SALEM-HIGH POINT-GREENSBORO AREA. TORNADO WATCH NUMBER 210 REMAINS IN EFFECT UNTIL 10 PM FOR MOST OF EASTERN NORTH CAROLINA. AT 410...THUNDERSTORMS WERE DEVELOPING OVER THE NORTHEAST PIEDMONT. A STRENGTHENING THUNDERSTORM WAS MOVING ACROSS ORANGE COUNTY BETWEEN CHAPEL HILL AND HILLSBOROUGH. IT WAS MOVING TO THE NORTHEAST AT ABOUT 30 MPH AND WILL PROBABLY AFFECT NORTHERN DURHAM COUNTY BEFORE 5 PM. ANOTHER THUNDERSTORM WAS MOVING FROM NORTHERN PERSON COUNTY INTO NORTHERN GRANVILLE COUNTY. AN ISOLATED THUNDERSTORM OVER SOUTHERN MOORE COUNTY WAS MOVING TOWARD SOUTHERN HARNETT COUNTY. ALL OF THE THUNDERSTORMS WERE MOVING TO THE NORTHWEAST AT ABOUT 30 MPH. LISTEN TO RADIO...TELEVISION...OR NOAA WEATHER RADIO FOR STATEMENTS AND POSSIBLY WARNINGS. LGL
Special weather statement, May 10, 4:22 PM EDT, 1 hour 57 minutes before
NCZ006-102100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENSBORO NC 420 PM EDT THU MAY 10 1990 ...TORNADO WATCH CANCELLED FOR THE NORTHWEST PIEDMONT... AT 415 PM NATIONAL WEATHER SERVICE RADAR SHOWED THUNDERSTORMS OVER PARTS OF THE NORTHEAST PIEDMONT NORTH AND WEST OF RALEIGH. THERE WERE A FEW LIGHT RAINSHOWERS OVER NORTHERN RANDOLPH COUNTY. OTHERWISE...THE NORTHWEST PIEDMONT WAS CLEAR OF PRECIPITATION. MOVEMENT WAS TO THE NORTHEAST AT 45 MPH. NO SEVERE WEATHER HAD BEEN REPORTED OR RECEIVED THIS AFTERNOON. THIS WILL BE THE LAST STATEMENT ISSUED FROM THIS OFFICE FOR THIS EVENT. GR
Special weather statement, May 10, 5:05 PM EDT, 1 hour 14 minutes before
NCZALL-102200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE RALEIGH/DURHAM, NC 505 PM EDT THU MAY 10 1990 ...TORNADO WATCH NUMER 208 REMAINS IN EFFECT UNTIL 7 PM FOR PARTS OF CENTRAL NORTH CAROLINA. TORNADO WATCH NUMBER 210 IS IN EFFECT FOR MOST OF EASTERN NORTH CAROLINA UNTIL 10 PM. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS WERE OCCURRING IN THE NORTHEAST PIEDMONT...SANDHILLS...AND NORTHERN COASTAL PLAIN AT 505 PM. THUNDERSTORMS WERE OVER VANCE...EASTERN WAKE...NORTHEAST HARNETT...AND SOUTHERN HOKE COUNTIES. THE THUNDERSTORMS WERE MOVING TO THE NORTHEAST AT ABOUT 40 MPH. NO REPORTS OF SEVERE WEATHER HAVE BEEN RECEIVED BY THE NATIONAL WEATHER SERVICE. HOWEVER...AN AMATEUR RADIkO OPERATOR IN RALEIGH REPORTED VERY HEAVY RAIN AND WINDS GUSTING BETWEEN 40 AND 50 MPH ON I-40 NEAR LAKE WHEELER ROAD. ^ LGL
Special weather statement, May 10, 5:44 PM EDT, 35 minutes before
NCZ003>005>014-102300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE RALEIGH/DURHAM, NC 543 PM EDT THU MAY 10 1990 ...TORNADO WATCH NUMBER 208 IS NO LONGER IN EFFECT FOR THE NORTHEAST PIEDMONT INCLUDING THE RALEIGH-DURHAM-CHAPEL HILL AREA AND FOR THE SANDHILLS INCLUDING FAYETTEVILLE. TORNADO WATCH NUMBER 210 REMAINS IN EFFECT FOR MOST OF THE COASTAL PLAIN AND COASTAL AREAS UNTIL 10 PM. LGL
Local storm report, May 10, 6:12 PM EDT, 7 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH/DURHAM, NC
612 PM EDT THU MAY 10 1990
TIME EVENT
544 PM EDT NASH COUNTY...A FIRE DEPARTMENT REPORTS TREES BLOWN
ACROSS A ROAD AND POWER LINES IN NORTHERN PART OF
THE COUNTY.
LGLNearby
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.