Alert archive / North Carolina / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 159, NWS Raleigh, NC

July 16, 2000Chatham County, Lee County, North Carolina

NWS Raleigh, NC issued this severe thunderstorm warning at Jul 16, 2000, 11:55 PM EDT for Chatham County, Lee County, North Carolina. It was in force for 35 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: Jul 16, 2000, 11:55 PM EDT (03:55 UTC)
Expired: Jul 17, 2000, 12:30 AM EDT
In force: 35 min
Issued by: NWS Raleigh, NC
Area: Whole counties

Counties Chatham County, NC, Lee County, NC

What was reported inside it

Time	Report	Where	Remark
Jul 17, 12:00 AM EDT	Hail 1	Goldston, 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.

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 3.9 hours before the alert went out and 83 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 717 J/kg
Mixed-layer CIN: -6 J/kg
Mixed-layer LCL: 2037 m above ground
0-6 km bulk shear: 15 kt
0-1 km storm-relative helicity: 18 m²/s²
0-3 km storm-relative helicity: 39 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

000 
WUUS52 KRAH 170356
SVRRDU
NCC037-105-170430-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE RALEIGH NC
1155 PM EDT SUN JUL 16 2000

THE NATIONAL WEATHER SERVICE IN RALEIGH HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  LEE COUNTY IN NORTH CAROLINA
  SOUTHEAST CHATHAM COUNTY IN NORTH CAROLINA

* UNTIL 1230 AM EDT

* AT 1155 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 4 MILES NORTHWEST OF SANFORD...MOVING EAST AT
  20 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  RURAL SOUTHEASTERN CHATHAM COUNTY
  SANFORD AROUND 1215 AM

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH YOU SHOULD PREPARE
FOR DAMAGING WINDS IN EXCESS OF 55 MPH...LARGE HAIL...AND DEADLY
LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...PREFERABLY
INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.

$$

LAT...LON 3566 7920 3546 7932 3537 7911 3557 7894


H

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.

NWS Raleigh, NC wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 16, 9:20 PM EDT, 2 hours 35 minutes earlier.

Area forecast discussion, Jul 16, 9:20 PM EDT, 2 hours 35 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE RALEIGH NC
920 PM EDT SUN JUL 16 2000

MID/UPPER LEVEL TROUGH AXIS IS CURRENTLY PASSING THROUGH THE CWA. 00Z
SOUNDINGS SHOW STABILIZATION IS BEGINNING...LOW LEVEL WINDS ARE
BACKING WITH HEIGHT AT GSO AND RNK AND UPPER LEVELS ARE WARMING
UPSTREAM AT RNK...THOUGH BOTH SOUNDINGS ARE STILL MOIST. CLOUDS AND
SHOWERS OVER WV ARE ASSOCIATED WITH VORT MAX MOVING SOUTHEAST.
MESOETA TAKES THIS FEATURE ACROSS OUR CWA BETWEEN 06Z AND 12Z AT
19 S-1 AT 500 MB...29 S-1 AT 250 MB. WILL ADD LOW POPS TONIGHT
FOR ENTIRE AREA.

.RAH...NONE.

DGS/RLH

In the hours before

Local storm report, Jul 16, 6:26 PM EDT, 5 hours 29 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH/DURHAM NC
626 PM EDT SUN JUL 16 2000

TIME(EDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0600 PM    PINEVIEW                  NC   1.00 INCH HAIL
07/16/00   HARNETT

0620 PM    SPOUT SPRINGS             NC   1.75 INCH HAIL
07/16/00   HARNETT

0622 PM    SPRING LAKE               NC   .75 INCH HAIL
07/16/00   CUMBERLAND

DGS

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 16, 8:08 PM EDT	Severe Thunderstorm Warning	RAH	Cumberland	37 min
Jul 17, 1:25 AM EDT	Severe Thunderstorm Warning	RAH	Franklin, Wake	35 min
Jul 17, 2:14 AM EDT	Severe Thunderstorm Warning	RAH	Johnston, Wilson	26 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 2000 Every severe thunderstorm warning in 2000

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.