Alert archive / North Carolina / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 39, NWS Raleigh, NC
NWS Raleigh, NC issued this severe thunderstorm warning at Jun 22, 1990, 12:47 PM EDT for Durham County, Orange County, North Carolina. It was in force for 58 min.
The area
The counties it named.
The facts
- Issued
- Jun 22, 1990, 12:47 PM EDT (16:47 UTC)
- Expired
- Jun 22, 1990, 1:45 PM EDT
- In force
- 58 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.
The nearest sounding before it
Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 4.8 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
- 1042 J/kg
- Mixed-layer CIN
- -48 J/kg
- Mixed-layer LCL
- 1021 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- 111 m²/s²
- 0-3 km storm-relative helicity
- 174 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 4.9
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KRDU 221649 SVRRDU NCC063-077-135-221745- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE RALEIGH NC 1247 PM EDT FRI JUN 22 1990 THE NATIONAL WEATHER SERVICE IN RALEIGH HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 200PM EDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN NORTH CENTRAL NORTH CAROLINA ...DURHAM COUNTY...GRANVILLE COUNTY...ORANGE COUNTY...PERSON COUNTY AT 1245 PM NATIONAL WEATHER SERVICE RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS MOVING THROUGH WAKE..ORANGE..AND DURHAM COUNTIES. TREES HAVE BEEN DOWNED BY STRONG WINDS IN THESE COUNTIES. THESE THUNDERSTORMS WERE MOVING NORTHEAST 30 MPH AND WILL BE MOVING INTO GRANVILLE A~ND PERSON COUNTIES BY 115 PM . PEOPLE IN THE PATH OF THIS STORM SHOULD BE ALERT FOR LARGE HAIL AND DAMAGING WINDS. FREQUENT 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, Jun 22, 11:23 AM EDT, 1 hour 24 minutes before
NCZ005-008-014-221630- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE RALEIGH NC 1121 AM EDT FRI JUN 22 1990 THUNDERSTORMS MOVING NORTHWARD ACROSS THE SANDHILLS... A CLUSTER OF THUNDERSTORMS MOVED OUT OF CENTRAL SOUTH CAROLINA INTO THE WESTERN PORTION OF THE SANDHILLS AND SOUTHERN PIEDMONT AREAS OF NORTH CAROLINA AROUND MID-MORNING TODAY. AT 1115AM THE STRONGEST OF THE THUNDERSTORMS STRETCHED FROM EASTERN MOORE COUNTY WEST ACROSS CENTRAL MONTGOMERY COUNTY. THIS AREA OF THUNDERSTORMS WAS MOVING NORTH NORTHEAST AROUND 20 MPH. GUSTY WINDS WERE REPORTED IN MOORE COUNTY NEAR THE TOWN OF ADDOR AROUND 11AM THIS MORNING. HOWEVER...NO DAMAGE WAS REPORTED. SOME OF THESE THUNDERSTORMS WILL LIKELY PRODUCE SOME BRIEF GUSTY WINDS...VERY HEAVY RAIN AND POSSIBLY SOME SMALL HAIL AS THEY CONTINUE DRIFTING ACROSS THE WESTERN HALF OF THE SANDHILLS AND POSSIBLY INTO THE SOUTHERN PORTION OF THE NORTHEAST PIEDMONT THROUGH MID-DAY TODAY. PERSONS SHOULD BE ON THE ALERT FOR RAPID CHANGING CONDITIONS THIS AFTERNOON. ADDITIONAL STATEMENTS OR WARNINGS WILL BE ISSUED AS CONDITIONS WARRANT. LBC
Special weather statement, Jun 22, 11:27 AM EDT, 1 hour 20 minutes before
NCZALL-222030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE RALEIGH NC 1126 AM EDT FRI JUN 22 1990 NORTH CAROLINA SKYWARN OUTLOOK...THERE IS A SLIGHT CHANCE OF SEVERE THUNDERSTORMS...WITH LARGE HAIL AND DAMAGING WINDS OVER ALL OF NORTH CAROLINA THIS AFTERNOON AND EVENING. LBC
Special weather statement, Jun 22, 12:11 PM EDT, 36 minutes before
NCZ006-221210- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENSBORO NC 1210 PM EDT FRI JUN 22 1990 ...THUNDERSTORMS ENTERING THE NORTHWEST PIEDMONT... AT 1156 AM NATIONAL WEATHER SERVICE RADAR SHOWED THUNDERSTORMS IN SOUTHERN RANDOLPH COUNTY WITH HEAVY RAIN. THE HEAVIEST RAINFALL WAS IN SOUTHWEST RANDOLPH COUNTY. MOVEMENT IS TO THE NORTHEAST AT ABOUT 25 MILES AN HOUR. ALONG WITH THE HEAVY...FREQUENT DANGEROUS LIGHTNING...STRONG GUSTY WINDS AND HAIL ARE ALSO POSSIBLE. PERSONS IN RANDOLPH COUNTY SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND TAKE SHELTER UNTIL THEY PASS. KJM E
The office that day
Everything else NWS Raleigh, NC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 22, 11:29 AM EDT | Severe Thunderstorm Warning | RAH | Chatham, Moore | 46 min |
| Jun 22, 12:25 PM EDT | Severe Thunderstorm Warning | RAH | Johnston | 50 min |
| Jun 22, 12:40 PM EDT | Severe Thunderstorm Warning | RAH | Wake | 50 min |
| Jun 22, 12:47 PM EDT | Severe Thunderstorm Warning | RAH | Granville | 58 min |
| Jun 22, 12:55 PM EDT | Severe Thunderstorm Warning | RAH | Franklin | 65 min |
| Jun 22, 1:04 PM EDT | Severe Thunderstorm Warning | RAH | Wayne | 56 min |
| Jun 22, 1:15 PM EDT | Severe Thunderstorm Warning | RAH | Johnston | 45 min |
| Jun 22, 1:18 PM EDT | Severe Thunderstorm Warning | RAH | Nash, Wilson | 57 min |
| Jun 22, 2:24 PM EDT | Severe Thunderstorm Warning | RAH | Northampton | 66 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; the sounding from the Mesonet's radiosonde archive.