Alert archive / North Carolina / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 2, NWS Raleigh, NC

March 13, 1986Wake County, North Carolina

NWS Raleigh, NC issued this severe thunderstorm warning at Mar 13, 1986, 2:40 PM EST for Wake 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
Mar 13, 1986, 2:40 PM EST (19:40 UTC)
Expired
Mar 13, 1986, 3:40 PM EST
In force
60 min
Issued by
NWS Raleigh, NC
Area
Whole counties

County Wake 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
Mar 13, 3:00 PM ESTThunderstorm Wind 0Wake, 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, 7.7 hours before the alert went out and 117 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 1986-03-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 joules per kilogram.LCLEL10008507005003002001001 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 1986-03-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 415 square meters per square second.19395878Sfc1 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
1 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
405 m above ground
0-6 km bulk shear
63 kt
0-1 km storm-relative helicity
415 m²/s²
0-3 km storm-relative helicity
455 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KRDU 131942
SVRRDU
NCC183-132040-

BULLETIN-IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE RALEIGH NC
240 PM EST THU MAR 13 1986

A..THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WARNING EFFECTIVE UNTIL 340 PM FOR PEOPLE IN THE FOLLOWING COUNTIES OF

NORTH CENTRAL NORTH CAROLINA... WAKE COUNTY

B..AT 240 PM EST A SEVERE THUNDERSTORM WITH LARGE HAIL AND DAMAGING WINDS
WAS SHOWN ON RADAR IN EXTREME SOUTHERN WAKE COUNTY. IT WAS MOVING
MOVING NORTHEAST AT 60 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 ENFORC]EMENT AGENCY.

1440/JBP

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, Mar 13, 2:22 PM EST, 18 minutes before
^RDUSPSGSO

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENSBORO NC
 125 PM EST THU MAR 13 1986

AT 115 PM EST WEATHER SERVICE RADAR SHOWED A HEAVY THUNDERSTORM HAS
DEVELOPED IN GUILFORD COUNTY NEAR PLEASANT GARDEN. THIS THUNDERSTORM
IS MOVING NORTHEAST AT ABOUT 30 TO 35 MILES AN HOUR.

PERSONS IN EASTERN GUILFORD COUNTY AND NORTHWESTERN ALAMANCE COUNTY
SHOULD BE ALERT TO THIS THUNDERSTORM AS IT MOVES THROUGH THEIR AREA
DURING THE NEXT HOKUR.

FURTHER STATEMENTS WILL BE ISSUED AS NEEDED.
JIM
Special weather statement, Mar 13, 2:32 PM EST, 8 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
2 30 PM EST THU MAR 13 1986

A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR MUCH OF CENTRAL AND
EASTERN NORTH CAROLINA UNTIL 900 PM EST THIS EVENING. SEVERE
THUNDERSTORMS WITH LARGE HAIL AND DAMAGING WINDS ARE POSSIBLE
IN THE WATCH AREA.

SHOWERS AND THUNDERSTORMS ARE OCCURRING ACROSS PORTIONS OF THE
PIEDMONT.. COASTAL PLAIN AND SANDHILLS. A VERY STRONG THUNDERSTORM
IS LOCATED IN HARNSETT COUNTY. IT IS MOVING TO THE NORTHEAST AT
25 MPH.

LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS.

JBP

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.