Alert archive / South Carolina / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 24, NWS Greenville-Spartanburg, SC

May 22, 2001York County, South Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at May 22, 2001, 4:26 PM EDT for York County, South Carolina. It was in force for 34 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, 4:26 PM EDT (20:26 UTC)
Expired
May 22, 2001, 5:00 PM EDT
In force
34 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Whole counties

County York County, SC

The radar

The Greer radar (KGSP), 95 km from the middle of the area, began a volume at 20:30 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, 8.4 hours before the alert went out and 169 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.

000 
WUUS52 KGSP 222026
SVRGSP
SCC091-222100-

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

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  YORK COUNTY IN UPSTATE SOUTH CAROLINA

* UNTIL 500 PM EDT

* AT 426 PM EDT...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE
  THUNDERSTORM WITH DAMAGING WINDS 6 MILES SOUTHWEST OF YORK...MOVING
  EAST AT 45 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  TEGA CAY AT 440 PM EDT
  FORT MILL AT 445 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

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 Greenville-Spartanburg, SC wrote its last area forecast discussion before this severe thunderstorm warning went out at May 22, 3:50 PM EDT, 36 minutes earlier.

Area forecast discussion, May 22, 3:50 PM EDT, 36 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
350 PM EDT TUE MAY 22 2001

CLEARING MOUNTAIN COUNTIES FROM SEVERE THUNDERSTORMS WATCH WITH
REGULAR AFTERNOON ISSUANCE.

FCSTID = 7
GSP   53  77  55  73 /  60   0  30  40
AND   54  78  56  74 /  60   0  30  40
CLT   52  76  52  71 /  70   0  30  40
HKY   50  75  50  72 /  30   0  30  40
AVL   49  71  49  66 /  20   0  40  40

.GSP...
GA...SEVERE THUNDERSTORM WATCH UNTIL 500 PM EDT TUESDAY FOR ZONES
GAZ018...GAZ026...GAZ028>029.

NC...SEVERE THUNDERSTORM WATCH UNTIL 500 PM EDT TUESDAY FOR ZONES
NCZ034>037...NCZ054>057...NCZ066>072...NCZ082.

SC...SEVERE THUNDERSTORM WATCH UNTIL 500 PM EDT TUESDAY FOR ZONES
SCZ004>014...SCZ019.

In the hours before

Special weather statement, May 22, 10:35 AM EDT, 5 hours 51 minutes before
GAZ010-017-018-026-028-029-NCZ033>037-048>059-062>072-082-SCZ001>014-
019-222000-

SEVERE WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1035 AM EDT TUE MAY 22 2001

...SEVERE THUNDERSTORMS POSSIBLE THIS AFTERNOON ACROSS THE WESTERN
CAROLINAS AND NORTHEAST GEORGIA...

A VIGOROUS COLD FRONT APPROACHING FROM THE WEST LATE THIS MORNING
SHOULD CROSS THE REGION DURING THE AFTERNOON AND EARLY EVENING. THIS
FRONT WILL INTERACT WITH THE WARM AND HUMID AIR ACROSS THE WESTERN
CAROLINAS AND NORTHEAST GEORGIA TO GENERATE THUNDERSTORMS WITH THE
POTENTIAL TO PRODUCE SEVERE WEATHER. SCATTERED THUNDERSTORMS AHEAD
OF THE FRONT THIS MORNING ACROSS NORTH GEORGIA WILL STEADILY BECOME
MORE NUMEROUS AS THE FRONT APPROACHES. A LINE OF THUNDERSTORMS IS
EXPECTED TO DEVELOP JUST AHEAD OF THE FRONT...AFFECTING THE SOUTHERN
APPALACHIANS THROUGH EARLY AFTERNOON...THE FOOTHILLS DURING THE
AFTERNOON...AND THE PIEDMONT THROUGH THE LATE AFTERNOON.

ANY THUNDERSTORMS THAT DEVELOP TODAY WILL PRODUCE BRIEF TORRENTIAL
DOWNPOURS AND FREQUENT LIGHTNING. THE PRIMARY THREAT FOR SEVERE
WEATHER IS DAMAGING WIND GUSTS IN EXCESS OF 60 MPH. ISOLATED LARGE
HAIL IS POSSIBLE AS WELL...AND A BRIEF TORNADO IS NOT OUT OF THE
QUESTION. WHILE SEVERE WEATHER IS POSSIBLE ANYWHERE IN THE OUTLOOK
AREA...PIEDMONT SECTIONS WILL ACHIEVE THE WARMEST TEMPERATURES
BEFORE THE ARRIVAL OF THE FRONT...ALLOWING STRONGER THUNDERSTORMS TO
DEVELOP IN THAT AREA LATE TODAY.

SPOTTER GROUPS SHOULD BE PREPARED TO ACTIVATE QUICKLY THIS AFTERNOON.
A SEVERE WEATHER WATCH IS ANTICIPATED FOR ALL OR PART OF THE AREA BY
EARLY AFTERNOON. DISPATCHERS SHOULD ENSURE COUNTY EMERG9ENCY
MANAGEMENT OFFICIALS ARE AWARE OF THIS INFORMATION.

STAY TUNED TO NOAA WEATHER RADIO OR YOUR FAVORITE MEDIA OUTLET FOR
ANY SEVERE WEATHER WATCHES OR WARNINGS.

MOORE
Local storm report, May 22, 2:27 PM EDT, 1 hour 59 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
227 PM EDT TUE MAY 22 2001

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

220 PM     HENDERSONVILLE            NC   WIND DAMAGE
05/22/01   COUNTY                         TREES DOWN ON SHEPHERD
                                          STREET IN HENDERSONVILLE.
                                          REPORT FROM SHERIFFS
                                          DEPARTMENT.

LGL
Local storm report, May 22, 2:27 PM EDT, 1 hour 59 minutes before
PRELIMINARY LOCAL STORM REPORT...CORRECTED COUNTY
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
227 PM EDT TUE MAY 22 2001

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

220 PM     HENDERSONVILLE            NC   WIND DAMAGE
05/22/01   HENDERSON                      TREES DOWN ON SHEPHERD
                                          STREET IN HENDERSONVILLE.
                                          REPORT FROM SHERIFFS
                                          DEPARTMENT.

LGL
Special weather statement, May 22, 3:35 PM EDT, 51 minutes before
GAZ010-017-NCZ033-048>050-052-053-059-062>065-SCZ001>003-222030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
335 PM EDT TUE MAY 22 2001

THE FOLLOWING COUNTIES HAVE BEEN CLEARED FROM SEVERE THUNDERSTORM
WATCH NUMBER 273...

IN NORTH CAROLINA...

AVERY...BUNCOMBE...HAYWOOD...HENDERSON...MACON...MADISON...
MITCHELL...JACKSON...TRANSYLVANIA AND YANCEY.

IN GEORGIA...

HABERSHAM AND RABUN.

SEVERE WEATHER HAS MOVED EAST OF THESE COUNTIES.

SEVERE THUNDERSTORM WATCH 273 CONTINUES IN EFFECT UNTIL 5 PM FOR
AREAS TO THE EAST OF TOCCOA...CLEMSON...GREENVILLE...SPARTANBURG...
COLUMBUS...MARION...MORGANTON...AND LENOIR.

STAY TUNED TO NOAA WEATHER RADIO OR YOUR FAVORITE MEDIA OUTLET FOR
THE LATEST UPDATES CONCERNING THIS SEVERE WEATHER SITUATION.

MOORE
Local storm report, May 22, 4:22 PM EDT, 4 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
422 PM EDT TUE MAY 22 2001

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

415 PM     10 W SALISBURY            NC   WIND DAMAGE
05/22/01   ROWAN                          SPOTTER REPORTED TREES
                                          DOWN.

JAT

The office that day

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

IssuedProductOfficeCountiesLasted
May 21, 9:34 PM EDTSevere Thunderstorm WarningGSPGreenville26 min
May 22, 2:33 PM EDTSevere Thunderstorm WarningGSPGreenville, Spartanburg42 min

Nearby

Severe Thunderstorm Warnings in South 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.