Alert archive / North Carolina / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 21, NWS Newport/Morehead City, NC

May 13, 2002Onslow County, North Carolina

NWS Newport/Morehead City, NC issued this severe thunderstorm warning at May 13, 2002, 10:22 PM EDT for Onslow County, North Carolina. It was in force for 23 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
May 13, 2002, 10:22 PM EDT (02:22 UTC)
Expired
May 13, 2002, 10:45 PM EDT
In force
23 min
Issued by
NWS Newport/Morehead City, NC
Area
Whole counties

County Onslow County, NC

The radar

The Morehead City radar (KMHX), 47 km from the middle of the area, began a volume at 02:22 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
May 13, 7:15 PM EDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Newport, NC (KMHX), launched 00:00Z, 2.4 hours before the alert went out and 47 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, Newport, NC at 00:00Z on 2002-05-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 188 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Newport, NC at 00:00Z on 2002-05-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 177 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
188 J/kg
Mixed-layer CIN
-137 J/kg
Mixed-layer LCL
1047 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
177 m²/s²
0-3 km storm-relative helicity
195 m²/s²
Significant tornado parameter
0.1
Supercell composite
1.6

Open this sounding in Storm Lab

The text

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

000 
WUUS52 KMHX 140222
SVRMHX
NCC133-140245-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NEWPORT-MOREHEAD CITY NC
1021 PM EDT MON MAY 13 2002

THE NATIONAL WEATHER SERVICE IN NEWPORT HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  ONSLOW COUNTY IN EASTERN NORTH CAROLINA

* UNTIL 1045 PM EDT

* AT 1021 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS FROM 14 MILES NORTH OF RICHLANDS TO 10
  MILES WEST OF CATHERINE LAKE...OR FROM 12 MILES WEST OF TRENTON TO
  8 MILES SOUTH OF BEULAVILLE...MOVING EAST AT 20 MPH.

* SEVERE THUNDERSTORMS WILL BE NEAR...
   RICHLANDS AT 1035 PM EDT.
   CATHERINE LAKE AT 1040 PM EDT.

REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. THEY
WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE.

$$

11

The office that day

Everything else NWS Newport/Morehead City, NC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 13, 8:51 PM EDTSevere Thunderstorm WarningMHXLenoir54 min
May 13, 8:53 PM EDTSevere Thunderstorm WarningMHXGreene, Martin, Pitt37 min
May 13, 9:01 PM EDTSevere Thunderstorm WarningMHXDuplin59 min
May 13, 9:06 PM EDTTornado WarningMHXMartin24 min
May 13, 9:16 PM EDTSevere Thunderstorm WarningMHXBeaufort44 min
May 13, 9:29 PM EDTSpecial Marine WarningMHX61 min
May 13, 9:32 PM EDTSevere Thunderstorm WarningMHXWashington58 min
May 13, 9:39 PM EDTSevere Thunderstorm WarningMHXCraven, Jones51 min
May 13, 9:40 PM EDTSevere Thunderstorm WarningMHXLenoir20 min
May 13, 10:39 PM EDTSpecial Marine WarningMHX66 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 2002Every severe thunderstorm warning in 2002

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.