Alert archive / North Carolina / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 27, NWS Greenville-Spartanburg, SC

May 25, 2001Union County, North Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at May 25, 2001, 11:04 PM EDT for Union County, North Carolina. It was in force for 41 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: May 25, 2001, 11:04 PM EDT (03:04 UTC)
Expired: May 25, 2001, 11:45 PM EDT
In force: 41 min
Issued by: NWS Greenville-Spartanburg, SC
Area: Whole counties

County Union County, NC

The radar

The Columbia radar (KCAE), 128 km from the middle of the area, began a volume at 03:06 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.

What was reported inside it

Time	Report	Where	Remark
May 25, 11:17 PM EDT	Hail 0.75	Weddington, 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, 3.1 hours before the alert went out and 134 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: 132 J/kg
Mixed-layer CIN: -93 J/kg
Mixed-layer LCL: 1477 m above ground
0-6 km bulk shear: 55 kt
0-1 km storm-relative helicity: 165 m²/s²
0-3 km storm-relative helicity: 210 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.9

Open this sounding in Storm Lab

The text

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

000 
WUUS52 KGSP 260306
SVRGSP

NCC179-260345-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1104 PM EDT FRI MAY 25 2001

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN UNION COUNTY IN THE PIEDMONT OF NORTH CAROLINA

* UNTIL 1145 PM EDT

* AT 1104 PM EDT...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE
  THUNDERSTORM 10 MILES SOUTHEAST OF CHARLOTTE...OR ABOUT 12 MILES
  NORTHWEST OF MONROE...MOVING NORTHEAST AT 35 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  STALLINGS AT 1105 PM EDT
  FAIRVIEW AT 1120 PM EDT

PEOPLE IN THE PATH OF THIS SEVERE oTHUNDERSTORM SHOULD BE ALERT FOR
LARGE HAIL AND DAMAGING WINDS. FREQUENT LIGHTNING AND LOCALLY HEAVY
RAIN CAN OCCUR WITH ANY THUNDERSTORM.

$$
LGL

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 25, 8:50 PM EDT, 2 hours 14 minutes earlier.

Area forecast discussion, May 25, 8:50 PM EDT, 2 hours 14 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
850 PM EDT FRI MAY 25 2001

SHOWERS NOW EXITING EASTERN COUNTIES OF CWA.  RUC MAINTAINS
PERSISTENT BAND OF HIGH RH ACROSS EASTERN PART OF AREA OVERNIGHT.
WITH ADVANCE OF SHORT WAVE TROF ALOFT... PRUDENT TO MAINTAIN LOW
CHANCE POPS EASTERNMOST COUNTIES DURING FIRST PERIOD. REMAINDER OF
CWA WILL HAVE CLEAR SKY WITH SOME MORNING FOG... ESPECIALLY MOUNTAIN
VALLEYS. NO MAJOR CHANGES WILL BE MADE TO LOW TEMPERATURES IN ZONE
FORECASTS THAT WILL BE ISSUED SHORTLY.

.GSP...
GA...NONE.
NC...NONE.
SC...NONE.

LGL

In the hours before

Local storm report, May 25, 9:55 PM EDT, 1 hour 9 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
955 PM EDT FRI MAY 25 2001

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

945 PM     UNION                     SC   MARBLE SIZE HAIL
05/25/01   UNION                          REPORT FROM COUNTY EPD
                                          DIRECTOR AND 911 DISPATCH

LGL

Local storm report, May 25, 10:27 PM EDT, 37 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
1027 PM EDT FRI MAY 25 2001

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

1020 PM    5 S YORK                  SC   .75 INCH HAIL
05/25/01   YORK                           REPORT FROM AMATEUR RADIO

LGL

Local storm report, May 25, 10:32 PM EDT, 32 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
1032 PM EDT FRI MAY 25 2001

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

1020 PM    5 E YORK                  SC   .75 INCH HAIL
05/25/01   YORK                           REPORT FROM SKYWARN.

RWH

Local storm report, May 25, 10:47 PM EDT, 17 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
1047 PM EDT FRI MAY 25 2001

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

1030 PM    GASTONIA                  NC   .75 INCH HAIL
05/25/01   GASTON                         AMATEUR RADIO SPOTTER

1030 PM    ROCK HILL                 SC   .75 INCH HAIL
05/25/01   YORK                           2 AMATEUR SPOTTER REPORTS
                                          OF DIME HAIL

1035 PM    1 S CATAWA NUCLEAR PLANT  SC   .88 INCH HAIL
05/25/01   YORK                           AMATEUR RADIO SKYWARN
                                          REPORT

1038 PM    1 N ROCK HILL             SC   .75 INCH HAIL
05/25/01   YORK                           AMATEUR RADIO SKYWARN
                                          REPORT

JONES

Local storm report, May 25, 10:55 PM EDT, 9 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
1055 PM EDT FRI MAY 25 2001

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

1050 PM    4 S PINEVILLE             NC   .75 INCH HAIL
05/25/01   MECKLENBURG                    AMATEUR RADIO SKYWARN
                                          SPOTTER

JONES

Local storm report, May 25, 11:02 PM EDT, 2 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
1102 PM EDT FRI MAY 25 2001

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

1058 PM    1 E ROCK HILL             SC   1.00 INCH HAIL
05/25/01   YORK                           AMATEUR RADIO SKYWARN
                                          REPORT ON HWY 901

JONES

The office that day

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

Issued	Product	Office	Counties	Lasted
May 25, 10:29 PM EDT	Severe Thunderstorm Warning	GSP	Mecklenburg	46 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 2001 Every 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.