Alert archive / North Carolina / Severe Thunderstorm Warnings in 1986
Severe Thunderstorm Warning 4, NWS Raleigh, NC
NWS Raleigh, NC issued this severe thunderstorm warning at Apr 6, 1986, 6:10 PM EST for Durham County, Granville County, North Carolina. It was in force for 60 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 6, 1986, 6:10 PM EST (23:10 UTC)
- Expired
- Apr 6, 1986, 7:10 PM EST
- In force
- 60 min
- Issued by
- NWS Raleigh, NC
- Area
- Whole counties
Counties Durham County, NC, Granville 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 6, 6:23 PM EST | Thunderstorm Wind 0 | 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, 11.2 hours before the alert went out and 102 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
- 1253 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 149 m²/s²
- 0-3 km storm-relative helicity
- 196 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 062314 SVRRDU NCC063-077-070010- BULLETIN-IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE RALEIGH NC 610 PM EST SUN APR 6 1986 A..THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 7 10 PM FOR PEOPLE IN THE FOLLOWING COUNTIES OF NORTH CENTRAL NORTH CAROLINA...DURHAM AND GRANVILLE COUNTIES B..AT 610 PM A SEVERE THUNDERSTORM WITH DAMAGING WINDS WAS REPORTED IN DURHAM COUUNTY MOVING EAST NORTHEAST 25 MPH. PEOPLE IN THE PATH OF THIS STORM SHOULD BE ALERT FOR THE POSSIBILITY OF LARGE HAIL...DAMAGING WINDS...FREQUENT LIGHTNING AND LOCALLY HEAVY RAIN. REPORT ANY SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. 1812/KK
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 6, 5:17 PM EST, 53 minutes before
^RDUSPSGSO SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENSBORO NC 517 PM EST SUN APR 6 1986 AT 515 PM EST NATIONAL WEATHER SERVICE RADAR SHOWED A HEAVY THUNDERSTORM IN RANDOLPH COUNTY SOUTHWEST OF SEAGROVE. THIS STORM IS CAPABLE OF PRODUCING LOCALLY HEAVY DOWNPOURS... STRONG GUSTY WINDS AND DANGEROUS LIGHTNING. MOVEMENT IS TO THE EAST AT ABOUT 30 MILES AN HOUR. FURTHER STATEMENTS WILL BE ISSUED IF NECESSARY. KJM
Special weather statement, Apr 6, 6:00 PM EST, 10 minutes before
^RDUSPSGSO SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENSBORO NC 600 PM EST SUN APR 6 1986 AT 555 PM EST NATIONAL WEATHER SERVICE RADAR SHOWED A HEAVY THUNDERSTORM IN ROWAN COUNTY NEAR CHINA GROVE. PERSONS SHOULD BE ALERT AS THIS STORMS MOVES THROUGH THE AREA AS IT IS CAPABLE OF PRODUCING LOCALLY HEAVY DOWNPOURS...STRONG GUSTY WINDS AND DANGEROUS LIGHTNING. MOVEMENT IS TO THE EAST AT ABOUT 30 MILES AN HOUR. FURTHER STATEMENTS WILL BE ISSUED IF NECESSARY. KJM
The office that day
Everything else NWS Raleigh, NC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 6, 6:40 PM EST | Severe Thunderstorm Warning | RAH | Franklin | 60 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.