Alert archive / North Carolina / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 39, NWS Raleigh, NC

May 15, 1995Chatham County, North Carolina

NWS Raleigh, NC issued this severe thunderstorm warning at May 15, 1995, 2:58 PM EDT for Chatham County, North Carolina. It was in force for 18 min.

The area

The counties it named.

The facts

Issued
May 15, 1995, 2:58 PM EDT (18:58 UTC)
Expired
May 15, 1995, 3:16 PM EDT
In force
18 min
Issued by
NWS Raleigh, NC
Area
Whole counties

County Chatham County, NC

The radar

The Raleigh/Durham radar (KRAX), 69 km from the middle of the area, began a volume at 19:02 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 7.0 hours before the alert went out and 72 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 1995-05-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 626 joules per kilogram.LCLLFCEL10008507005003002001001 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 1995-05-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 33 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
626 J/kg
Mixed-layer CIN
-147 J/kg
Mixed-layer LCL
1134 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
33 m²/s²
0-3 km storm-relative helicity
65 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KRDU 151902
SVRRDU
NCC037-151930-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE RALEIGH/DURHAM NC
258 PM EDT MON MAY 15 1995
 
THE NATIONAL WEATHER SERVICE IN RALEIGH/DURHAM HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  330 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN NORTH CENTRAL NORTH CAROLINA
 
   ...EASTERN CHATHAM COUNTY
 
AT 256 PM EDT...WEATHER RADAR INDICATED A RAPIDLY DEVELOPING SEVERE
THUNDERSTORM OVER EASTERN CHATHAM COUNTY BETWEEN PITTSBORO AND JORDAN
LAKE. THIS STORM HAS SHOWN LITTLE MOVEMENT DURING THE TIME IT HAS
RAPIDLY DEVELOPED.
 
 
PEOPLE SHOULD BE ESPECIALLY ALERT FOR LARGE HAIL AND DAMAGING WIND.
FREQUENT LIGHTNING AND LOCALLY HEAVY RAIN CAN POSE A DANGER WITH ANY
THUNDERSTORM.  SEEK SHELTER IMMEDIATELY AND REPORT DAMAGE TO
EMERGENCY OFFICIALS FOR RELAY TO THE NATIONAL WEATHER SERVICE.

The office that day

Everything else NWS Raleigh, NC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 15, 3:42 PM EDTSevere Thunderstorm WarningRAHHarnett33 min
May 15, 4:04 PM EDTSevere Thunderstorm WarningRAHMoore26 min
May 15, 4:17 PM EDTSevere Thunderstorm WarningRAHSampson28 min
May 15, 5:25 PM EDTSevere Thunderstorm WarningRAHSampson35 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 1995Every severe thunderstorm warning in 1995

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.