Alert archive / North Carolina / Severe Thunderstorm Warnings in 1986
Severe Thunderstorm Warning 9, NWS Raleigh, NC
NWS Raleigh, NC issued this severe thunderstorm warning at Apr 26, 1986, 6:35 PM EST for Orange County, North Carolina. It was in force for 60 min. 2 reports 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 26, 1986, 6:35 PM EST (23:35 UTC)
- Expired
- Apr 26, 1986, 7:35 PM EST
- In force
- 60 min
- Issued by
- NWS Raleigh, NC
- Area
- Whole counties
County Orange 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 26, 7:00 PM EST | Thunderstorm Wind 69 | Orange, NC | |
| Apr 26, 7:10 PM EST | Hail 1.75 | Orange, 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, 11.6 hours before the alert went out and 70 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
- 1200 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 123 m²/s²
- 0-3 km storm-relative helicity
- 165 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 262336 SVRRDU NCC135-270035- BULLETIN-IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE RALEIGH NC 635 PM EST SAT APR 26 1986 A..THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 735 PM FOR PEOPLE IN THE FOLLOWING COUNTIES OF NORTH CENTRAL NORTH CAROLINA... ORANGE COUNTY AT 630 PM A SEVERE THUNDERSTORM WITH LARGE HAIL AND DAMAGING WINDS WAS OBSERVED ON WEATHER SERVICE RADAR. THE STORM IS MOVING TO THE SOUTH AROUND 20 MILES AN HOUR. < 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. THE SEVERE WEATHER WARNING THAT WAS ISSUED EARLIER FOR PERSON COUNTY REMAINS IN EFFECT UNTIL 7 PM. THE SEVERE WEATHER WARNING ISSUED FOR WAKE AND DURHAM COUNTIES REMAINS IN EFFECT UNTIL 715 PM. THE SEVERE WEATHER WARNING ISSUED FOR CHFATHAM COUNTY REMAINS IN EFFECT UNTIL 725 PM. 2334/MS
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 26, 3:37 PM EST, 2 hours 58 minutes before
^RDUSPSGSO SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENSBORO NC 335 PM EST SAT APR 26 1986 AT 330 PM EST NATIONAL WEATHER SERVICE RADAR SHOWED A LINE OF THUNDERSTORMS EXTENDING FROM DAVIDSON COUNTY NORTH THRU FORSYTH.. SURRY...AND STOKES COUNTY THE HEAVEST THUNDERSTORM WAS LOCATED IN NORTHWESTEN FORSYTH AND SOUTHWESTERN STOKES. PERSONS SHOULD BE ALERT AS THESE STORMS MOVES THROUGH THE AREA AS THEY ARE CAPABLE OF PRODUCING LOCALLY HE~AVY DOWNPOURS...STRONG GUSTY WINDS AND DANGEROUS LIGHTNING. MOVEMENT IS TO THE SOUTHEAST AT ABOUT 25 MILES AN HOUR. FURTHER STATEMENTS WILL BE ISSUED IF NECESSARY. AH
Local storm report, Apr 26, 5:17 PM EST, 1 hour 18 minutes before
^RDULSRGSO STORM REPORT NATIONAL WEATHER SERVICE GREENSBORO NC 510 PM EST SAT APR 26 1986 ATTN SELS... 415 PM EST MARBLE SIZE HAIL AND HEAVY RAIN REPORTED BY SHERIFFS DEPARTMENT IN WESTERN FORSYTH COUNTY OF NORTH CAROLINA. 437 PM EST SOME MARBLE SIZE HAIL.BUT MOSTLY DIME SIZE.REPORTED BY THE DAVIDSON COUNTY SHERIFF DEPTARTMENT.MARBLE SIZE AT THOMASVILLE IN NORTHEASTERN DAVIDSON.AND DIME SIZE BETWEEN LEXINGTON AND DENTON ALL IN DAVIDSON COUNTY.
Special weather statement, Apr 26, 5:52 PM EST, 43 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE RALEIGH/DURHAM, NC 550 PM EST SAT APR 26 1986 VERY HEAVY THUNDERSTORMS MOVING INTO THE NORTHEAST PIEDMONT... WEATHER RADAR AT 545 PM SHOWED AN AREA OF VERY HEAVY THUNDERSTORMS BEGINNING TO MOVE INTO THE NORTHEAST PIEDMONT FROM THE NORTHWEST. ONE THUNDERSTORM WAS LOCATED IN NORTHERN PERSON COUNTY AND ANOTHER IN NORTHERN ORANGE COUNTY. THESE STORMS ARE MOVING SOUTH-SOUTHEAST AT ABOUT 25 MILE(S AN HOUR AND SHOULD BE EFFECTING PERSON..ORANGE..AND DURHAM COUNTIES BEFORE 700 PM THIS EVENING. LISTEN TO COMMERCIAL RADIO, TV, OR WEATHER RADIO FOR LATER STATEMENTS OR POSSIBLE WARNINGS. RFG
Special weather statement, Apr 26, 5:53 PM EST, 42 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE RALEIGH/DURHAM, NC 552 PM EST SAT APR 26 1986 VERY HEAVY THUNDERSTORMS MOVING INTO THE NORTHEAST PIEDMONT... WEATHER RADAR AT 545 PM SHOWED AN AREA OF VERY HEAVY THUNDERSTORMS BEGINNING TO MOVE INTO THE NORTHEAST PIEDMONT FROM THE NORTHWEST. ONE THUNDERSTORM WAS LOCATED IN NORTHERN PERSON COUNTY AND ANOTHER IN NORTHERN ORANGE COUNTY. THESE STORMS ARE MOVING SOUTH-SOUTHEAST AT ABOUT 25 MILES AN) HOUR AND SHOULD BE EFFECTING PERSON..ORANGE..AND DURHAM COUNTIES BEFORE 700 PM THIS EVENING. LISTEN TO COMMERCIAL RADIO, TV, OR WEATHER RADIO FOR LATER STATEMENTS OR POSSIBLE WARNINGS. RFG
The office that day
Everything else NWS Raleigh, NC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 26, 6:00 PM EST | Severe Thunderstorm Warning | RAH | Person | 60 min |
| Apr 26, 6:15 PM EST | Severe Thunderstorm Warning | RAH | Durham, Wake | 60 min |
| Apr 26, 6:25 PM EST | Severe Thunderstorm Warning | RAH | Chatham | 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.