Alert archive / North Carolina / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 21, NWS Greenville-Spartanburg, SC

May 22, 2001Polk County, Rutherford County, North Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at May 22, 2001, 2:15 PM EDT for Polk County, Rutherford County, North Carolina. It was in force for 30 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 22, 2001, 2:15 PM EDT (18:15 UTC)
Expired
May 22, 2001, 2:45 PM EDT
In force
30 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Whole counties

Counties Polk County, NC, Rutherford County, NC

The radar

The Greer radar (KGSP), 53 km from the middle of the area, began a volume at 18:14 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 22, 11:15 AM EDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 6.3 hours before the alert went out and 210 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 2001-05-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 645 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 2001-05-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 102 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
645 J/kg
Mixed-layer CIN
-41 J/kg
Mixed-layer LCL
967 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
102 m²/s²
0-3 km storm-relative helicity
132 m²/s²
Significant tornado parameter
0.3
Supercell composite
1.8

Open this sounding in Storm Lab

The text

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

862 
WUUS52 KGSP 221817
SVRGSP
NCC149-161-221845-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
215 PM EDT TUE MAY 22 2001

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  POLK COUNTY IN WESTERN NORTH CAROLINA
  RUTHERFORD COUNTY IN WESTERN NORTH CAROLINA

* UNTIL 245 PM EDT

* AT 215 PM EDT...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE
  THUNDERSTORM WITH DAMAGING WINDS 6 MILES NORTHWEST OF COLUMBUS...OR
  ABOUT 6 MILES WEST OF LAKE ADGER...MOVING EAST AT 55 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  LAKE LURE AT 220 PM EDT
  RUTHERFORDTON AT 230 PM EDT
  ALEXANDER MILLS AT 235 PM EDT
  SUNSHINE AT 240 PM EDT

SEVERE THUNDERSTORM WINDS CAN REACH SPEEDS OF 60 TO 100 MPH. THESE
WINDS BLOW DOWN TREES...POWER LINES...AND SEVERELY DAMAGE MOBILE
HOMES AND SOMETIMES BUILDINGS. VERY LARGE OR WIND-DRIVEN HAIL CAN
INJURE ANYONE CAUGHT OUTSIDE.

$$
RWH/LGL

The office that day

Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 22, 4:03 PM EDTSevere Thunderstorm WarningGSPMecklenburg27 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 2001Every severe thunderstorm warning in 2001

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.