Alert archive / North Carolina / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 85, NWS Raleigh, NC
NWS Raleigh, NC issued this severe thunderstorm warning at Aug 29, 1990, 7:43 PM EDT for Johnston County, Nash County, North Carolina. It was in force for 47 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
- Aug 29, 1990, 7:43 PM EDT (23:43 UTC)
- Expired
- Aug 29, 1990, 8:30 PM EDT
- In force
- 47 min
- Issued by
- NWS Raleigh, NC
- Area
- Whole counties
Counties Johnston County, NC, Nash 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 |
|---|---|---|---|
| Aug 29, 7:43 PM EDT | Hail 0.75 | Johnston, 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, 11.7 hours before the alert went out and 160 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
- 436 J/kg
- Mixed-layer CIN
- -160 J/kg
- Mixed-layer LCL
- 1776 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 21 m²/s²
- 0-3 km storm-relative helicity
- 48 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 292346 SVRRDU NCC101-127-300030- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE RALEIGH/DURHAM NC 743 PM EDT WED AUG 29 1990 THE NATIONAL WEATHER SERVICE IN RALEIGH/DURHAM HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 830 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN EAST CENTRAL NORTH CAROLINA ...JOHNSTON COUNTY IN NORTHEAST NORTH CAROLINA ...SOUTHERN NASH COUNTY AT 745 PM NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM IN WESTERN JOHNSTON COUNTY WHERE DIME SIZE HAIL WAS REPORTED IN THE TOWN OF CLAYTON. THIS THUNDERSTORM WAS MOVING EAST AT 25 MPH AND WILL ALSO MOVE INTO SOUTHERN NASH COUNTY. 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
Local storm report, Aug 29, 5:19 PM EDT, 2 hours 24 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE GREENSBORO NC
520 PM EDT WED AUG 29 1990
ATTN SELS...
245 PM EDT..1845Z GOLFBALL SIZE HAIL IN SOUTHWEST ROCKINGHAM COUNTY.
300 PM EDT..1900Z TREE DOWN ACROSSB ROADWAY IN SOUTHEAST GUILFORD COUNTY
NOT FAR FROM DAMAGE THAT OCCURRED AT LAKE JUNO PARK.
RBNLocal storm report, Aug 29, 5:44 PM EDT, 1 hour 59 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH/DURHAM, NC
541 PM EDT WED AUG 29 1990
TIME EVENT
532 PM EDT TREES DOWN IN ROCKY MOUNT AREA OF EDGECOMBE
COUNTY AND WINDS ESTIMAXTED AT 50-60 MPH IN
THE ROANOKE RAPIDS AREA OF HALIFAX COUNTY.
REPORTS RELAYED BY HAM RADIO WEATHER NETWORK.
KKLocal storm report, Aug 29, 5:59 PM EDT, 1 hour 44 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH/DURHAM, NC
554 PM EDT WED AUG 29 1990
TIME EVENT
540 PM EDT IN WILSON COUNTY...TREES DOWN NEAR THE INTERSECTION
OF US 117 AND SkR 1642. TREES ALSO DOWN ON SR 1106.
TREES DOWN AT BREWERS SPEEDWAY. INFORMATION RECEIVED
FROM WILSON COUNTY SHERIFF DEPARTMENT.
JBPLocal storm report, Aug 29, 6:11 PM EDT, 1 hour 32 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH/DURHAM, NC
609 PM EDT WED AUG 29 1990
TIME EVENT
530-600 PM EDT IN HALIFAX COUNTY...NUMEROUS TREES DOWN AND ROADS
BLOCKED IN THE ENxFIELD AND WHITE OAK AREA. ROOF BLOWN
A STORE IN WHITE OAK AREA.
FROM HALIFAX COUNTY SHERIFF DEPARTMENT.
KKLocal storm report, Aug 29, 6:41 PM EDT, 1 hour 2 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH/DURHAM, NC
640 PM EDT WED AUG 29 1990
TIME EVENT
610-630 PM EDT IN NORTHAMPTON COUNTY...NUMEROUS TREES DOWN ACROSS
SEVERAL STATE ROADS.
FROM NORTHAMPTON COUNTY SHERIFF DEPARTMENT.
KKLocal storm report, Aug 29, 7:18 PM EDT, 25 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH/DURHAM, NC
712 PM EDT WED AUG 29 1990
TIME EVENT
710 PM EDT IN WESTERN NASH COUNTY...MARBLE SIZE HAIL.
REPORTED BY NASH COUNTY SHERIFF OFFICE.
700 PM EDT IN EASTERN WAKE COUNTY...PEA SIZE HAIL REPORTED
BY PUBLIC.
NOTE TO SELS...HAIL TAKING PLACE IN NEWLY DEVELOPED
TBUNDERSTORMS OVER AREAS WHERE STRONG TO SEVERE
STORMS HAVE PREVIOSLY PASSED. ADAP SHOWS MOISTURE FLUX
AXIS AND STREMLINE CONFLUENT ZONE ACROSS EASTERN NC
IN WATCH # 704 AREA.
KKThe office that day
Everything else NWS Raleigh, NC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 29, 4:29 PM EDT | Severe Thunderstorm Warning | RAH | Wake | 31 min |
| Aug 29, 4:58 PM EDT | Severe Thunderstorm Warning | RAH | Nash | 32 min |
| Aug 29, 5:26 PM EDT | Severe Thunderstorm Warning | RAH | Edgecombe, Wilson | 49 min |
| Aug 29, 5:35 PM EDT | Severe Thunderstorm Warning | RAH | Halifax, Northampton | 40 min |
| Aug 29, 6:14 PM EDT | Severe Thunderstorm Warning | RAH | Northampton | 31 min |
| Aug 29, 7:55 PM EDT | Severe Thunderstorm Warning | RAH | Wilson | 50 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.