Alert archive / North Carolina / Severe Thunderstorm Warnings in 1986
Severe Thunderstorm Warning 89, NWS Raleigh, NC
NWS Raleigh, NC issued this severe thunderstorm warning at Aug 27, 1986, 4:52 PM EDT for Franklin County, North Carolina. It was in force for 68 min.
The area
The counties it named.
The facts
- Issued
- Aug 27, 1986, 4:52 PM EDT (20:52 UTC)
- Expired
- Aug 27, 1986, 6:00 PM EDT
- In force
- 68 min
- Issued by
- NWS Raleigh, NC
- Area
- Whole counties
County Franklin 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, 8.9 hours before the alert went out and 145 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
- 585 J/kg
- Mixed-layer CIN
- -63 J/kg
- Mixed-layer LCL
- 749 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 85 m²/s²
- 0-3 km storm-relative helicity
- 84 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.5
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KRDU 272052 SVRRDU NCC069-272200- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE RALEIGH/DURHAM NC 452 PM EDT WED AUG 27 1986 THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 600 PM EDT FOR PEOPLE IN THE FOLLOWING COUNTY OF NORTH CAROLINA...EASTERN FRANKLIN AT 449 PM A SEVERE THUNDERSTORM WAS SHOWN BY RADAR NEAR LOUISBURG. THIS STORM WAS MOVING TO THE EAST AT 25 MPH. PEOPLE IN THE PATH OF THIS STORM SHOULD BE ALERT FOR LARGE HAIL... DAMAGING WINDS...FREQUENT LIGHTNING AND LOCALLY HEAVY RAIN. REPORT ANY SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. DMD
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, Aug 27, 3:12 PM EDT, 1 hour 40 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENSBORO NC 310 PM EDT WED AUG 27 1986 ...THUNDERSTORMS STARTING TO DEVELOPE ACROSS THE NORTHWEST PIEDMONT OF NORTH CAROLINA... AT 300 PM RADAR SHOWED HEAVY THUNDERSTORMS IN EASTERN ALMANCE.... SOUTHEAST GUILFORD AND RANDOLPH COUNTIES OF MORTH CAROLINA. THESE THUNDERSTORMS MAY PRODUCE...HEAVY DOWNPOURS...STRONG GUSTY WINDS.. SOME HAIL...FREQUENT LIGHTNING...AS THEY MOVE TO THE EAST AT 25 MPH. PERSONS IN THE NORTHWEST PIEDMONT OF NORTH CAROLINA SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND SHOULD TAKE SHELTER AS STORMS APPROACH. RJD
Special weather statement, Aug 27, 3:39 PM EDT, 1 hour 13 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENSBORO NC 340 PM EDT WED AUG 27 1986 ...SEVERE THUNDERSTORM WATCH IN EFFECT FOR ALAMANCE...CASWELL...AND ROCKINGHAM COUNTIES OF THE NORTHWEST PIEDMONT OF NORTH CAROLINA... AT 330 PM RADAR SHOWED HEAVY THUNDERSTORMS IN EASTERN ALMANCE.... SOUTHEAST GUILFORD AND RANDOLPH COUNTIES OF MORTH CAROLINA. THESE THUNDERSTORMS MAY PRODUCE...HEAVY DOWNPOURS...STRONG GUSTY WINDS.. LARGE HAIL...FREQUENT LIGHTNING...AS THEY MOVE TO THE EAST AT 25 MPH. REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PERSONS IN THE NORTHWEST PIEDMONT OF NORTH CAROLINA SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND SHOULD TAKE SHELTER AS STORMS APPROACH. RJD
Local storm report, Aug 27, 4:08 PM EDT, 44 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH/DURHAM, NC
402 PM EDT WED AUG 27 1986
TIME EVENT
335PM EDT DURHAM NC EMERGENCY MANAGEMENT RELAYED REPORT OF MARBLE
SIZE HAIL AND ESTIEMATED WIND GUST TO 50 KNOTS 3 MILES
NORTH OF DURHAM CITY FROM A NAVAL WEATHER SERVICE
RESERVIST.
341PM EDT DURHAM NC WARNING POINT RELAYED PUBLIC REPORT OF FUNNEL
CLOUD NEAR TRINITY AND NORTH STREETS IN THE NORTHWEST
PART OF DURHAM CITY.
HLWThe office that day
Everything else NWS Raleigh, NC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 27, 2:49 PM EDT | Severe Thunderstorm Warning | RAH | Orange | 61 min |
| Aug 27, 3:04 PM EDT | Tornado Warning | RAH | Orange | 41 min |
| Aug 27, 3:33 PM EDT | Severe Thunderstorm Warning | RAH | Durham | 57 min |
| Aug 27, 4:02 PM EDT | Severe Thunderstorm Warning | RAH | Chatham | 58 min |
| Aug 27, 6:06 PM EDT | Severe Thunderstorm Warning | RAH | Johnston | 64 min |
Nearby
Severe Thunderstorm Warnings in North Carolina, 1986Every severe thunderstorm warning in 1986
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.