Alert archive / North Carolina / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 5, NWS Raleigh, NC

April 6, 1986Franklin County, North Carolina

NWS Raleigh, NC issued this severe thunderstorm warning at Apr 6, 1986, 6:40 PM EST for Franklin 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, 6:40 PM EST (23:40 UTC)
Expired
Apr 6, 1986, 7:40 PM EST
In force
60 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.

What was reported inside it

TimeReportWhereRemark
Apr 6, 6:55 PM ESTThunderstorm Wind 0Franklin, 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 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.

Skew-T log-pSkew-T log-p diagram, Greensboro/Hi Pt, NC at 12:00Z on 1986-04-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Greensboro/Hi Pt, NC at 12:00Z on 1986-04-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 149 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
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

Open this sounding in Storm Lab

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, Apr 6, 5:17 PM EST, 1 hour 23 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, 40 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.

IssuedProductOfficeCountiesLasted
Apr 6, 6:10 PM ESTSevere Thunderstorm WarningRAHDurham, Granville60 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.