Alert archive / North Carolina / Tornado Warnings in 2000

Tornado Warning 4, NWS Raleigh, NC

May 25, 2000Durham County, Orange County, North Carolina

NWS Raleigh, NC issued this tornado warning at May 25, 2000, 10:31 AM EDT for Durham County, Orange County, North Carolina. It was in force for 29 min. 2 reports came from inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties, with what was reported inside it.

The facts

Issued
May 25, 2000, 10:31 AM EDT (14:31 UTC)
Expired
May 25, 2000, 11:00 AM EDT
In force
29 min
Issued by
NWS Raleigh, NC
Area
Whole counties; the outline is the Mesonet’s reconstruction

Counties Durham County, NC, Orange County, NC

What was reported inside it

TimeReportWhereRemark
May 25, 10:50 AM EDTThunderstorm Wind 60 EChapel Hill, NCA Piper Cherokee crashed while trying to land at the Horance Williams Airport due to strong winds.
May 25, 10:55 AM EDTThunderstorm Wind 60 EDurham, NC1 shed was smashed and 3 homes had moderate to extensive damage from fallen trees.

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 watch it was issued in

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

IssuedProductOfficeLasted
May 25, 10:15 AM EDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Roanoke, VA (KRNK), launched 12:00Z, 2.5 hours before the alert went out and 132 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, Roanoke, VA at 12:00Z on 2000-05-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2 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, Roanoke, VA at 12:00Z on 2000-05-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -89 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
2 J/kg
Mixed-layer CIN
-341 J/kg
Mixed-layer LCL
934 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
-89 m²/s²
0-3 km storm-relative helicity
-30 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.

107 
WFUS52 KRAH 251433
TORRDU
NCC063-135-251500-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
TORNADO WARNING 
NATIONAL WEATHER SERVICE RALEIGH NC
1031 AM EDT THU MAY 25 2000

THE NATIONAL WEATHER SERVICE IN RALEIGH HAS ISSUED A

* TORNADEO WARNING FOR...
  DURHAM COUNTY IN NORTH CAROLINA
  EASTERN ORANGE COUNTY IN NORTH CAROLINA

* UNTIL 1100 AM EDT

* AT 1031 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  POSSIBLE TORNADO OVER HILLSBOROUGH...MOVING EAST AT 40 MPH.

* THE TORNADO WILL BE NEAR...
   GORMAN...BETHESDA AT 1040 AM EDT

TAKE COVER IMMEDIATELY

LAT...LON 3623 7910 3589 7914 3594 7870 3617 7879

The office that day

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

IssuedProductOfficeCountiesLasted
May 25, 9:56 AM EDTSevere Thunderstorm WarningRAHAlamance, Guilford34 min
May 25, 10:18 AM EDTTornado WarningRAHAlamance, Orange32 min
May 25, 10:38 AM EDTSevere Thunderstorm WarningRAHPerson32 min
May 25, 10:48 AM EDTSevere Thunderstorm WarningRAHGranville, Wake47 min
May 25, 10:57 AM EDTSevere Thunderstorm WarningRAHFranklin, Vance48 min
May 25, 3:34 PM EDTSevere Thunderstorm WarningRAHSampson36 min
May 25, 4:29 PM EDTSevere Thunderstorm WarningRAHAnson31 min

Nearby

Tornado Warnings in North Carolina, 2000Every tornado warning in 2000Tornadoes 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.