Alert archive / North Carolina / Severe Thunderstorm Warnings in 1986
Severe Thunderstorm Warning 62, NWS Wilmington, NC
NWS Wilmington, NC issued this severe thunderstorm warning at Jul 21, 1986, 3:04 PM EDT for Sampson County, North Carolina. It was in force for 56 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
- Jul 21, 1986, 3:04 PM EDT (19:04 UTC)
- Expired
- Jul 21, 1986, 4:00 PM EDT
- In force
- 56 min
- Issued by
- NWS Wilmington, NC
- Area
- Whole counties
County Sampson 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 |
|---|---|---|---|
| Jul 21, 3:30 PM EDT | Thunderstorm Wind 0 | Sampson, NC | |
| Jul 21, 3:45 PM EDT | Thunderstorm Wind 0 | Sampson, 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, 7.1 hours before the alert went out and 184 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
- 42 J/kg
- Mixed-layer CIN
- -230 J/kg
- Mixed-layer LCL
- 1815 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 4 m²/s²
- 0-3 km storm-relative helicity
- 29 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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, Jul 21, 2:47 PM EDT, 17 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE WILMINGTON NC 245 PM EDT MON JUL 21 1986 VERY HEAVY THUNDERSTORMS ARE DEVELOPING OVER EASTERN NORTH CAROLINA. AT 230 THIS AFTERNOON NUMEROUS THUNDERSTORMS DEVELOPED OVER THE COASTAL AREA BETWEEN 10 AND 20 MILES INLAND FROM THE COAST NEAR HOLLY RIDGE TO ATLANTIC. ANOTHER AREA OF NUMEROUS VERY HEAVY THUNDERSTORMS WAS OVER THE SANDHILLS NORTHEAST OF FAYETTEVILLE NEAR GODWIN TO NORTHWEST OF FAYETTEVILLE NEAR SOUTHERN PINES. AND SCATTERED THUNDERSTORMS WERE OVER THE COASTAL PLAINS OVER SAMPSON AND DUPLIN COUNTIES. THE STORMS ARE PRODUCING DANGEROUS LIGHTNING AND HEAVY RAIN. THEY MAY ALSO PRODUCE GUSTY WINDS. PERSONS NEAR THESE STORMS SHOULD SEEK SHELTER FROM THE LIGHTNING. MOTORISTS ARE ADVISED TO USE CAUTION. THE STORMS ARE STATIONARY AND WILL LIKELY CAUSE SHALLOW FLOODING AND PONDING OF WATER ESPECIALLY IN LOW LYING AREAS. BJ
The office that day
Everything else NWS Wilmington, NC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 21, 3:31 PM EDT | Severe Thunderstorm Warning | ILM | Duplin | 59 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.