Alert archive / North Carolina / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 8, NWS Greenville-Spartanburg, SC

April 1, 2001Union County, North Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Apr 1, 2001, 11:54 AM EDT for Union County, North Carolina. It was in force for 51 min. 5 reports 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: Apr 1, 2001, 11:54 AM EDT (15:54 UTC)
Expired: Apr 1, 2001, 12:45 PM EDT
In force: 51 min
Issued by: NWS Greenville-Spartanburg, SC
Area: Whole counties

County Union County, NC

What was reported inside it

Time	Report	Where	Remark
Apr 1, 12:15 PM EDT	Thunderstorm Wind 58 E	Indian Trail, NC	911 center reported trees down and wind estimated to 65 mph. A storm spotter nearby recorded an actual measured gust of 60 mph.
Apr 1, 12:20 PM EDT	Thunderstorm Wind 55 E	Monroe, NC	911 center reported trees down.
Apr 1, 12:20 PM EDT	Hail 1.75	Monroe, NC
Apr 1, 12:25 PM EDT	Thunderstorm Wind 58 E	Monroe, NC
Apr 1, 12:40 PM EDT	Thunderstorm Wind 58 E	Marshville, NC	911 center reported trees down and wind estimated at 65 mph.

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.

Issued	Product	Office	Lasted
Apr 1, 11:15 AM EDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 3.9 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: 71 J/kg
Mixed-layer CIN: -7 J/kg
Mixed-layer LCL: 577 m above ground
0-6 km bulk shear: 42 kt
0-1 km storm-relative helicity: 16 m²/s²
0-3 km storm-relative helicity: 98 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 KGSP 011555
SVRGSP
NCC179-011645-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1154 AM EDT SUN APR 1 2001

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  UNION COUNTY IN NORTH CAROLINA

* UNTIL 1245 PM EDT

* AT 1154 AM EDT...SEVERE WEATHER SPOTTERS REPORTED A SEVERE
  THUNDERSTORM 13 MILES SOUTH OF CHARLOTTE...OR ABOUT 5 MILES WEST OF
  WEDDINGTON...MOVING EAST AT 40 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  WEDDINGTON AT NOON EDT
  INDIAN TRAIL AT 1205 PM EDT
  MONROE AT 1215 PM EDT
  WINGATE AT 1220 PM EDT
  MARSHVILLE AT 1230 PM EDT

THIS RAPIDLY MOVING SEVERE THUNDERSTORM MAY CAUSE WINDS FROM 60 TO
100 MPH...AND MAY MOVE THROUGH VERY QUICKLY WITH LITTLE 
THUNDER...LIGHTNING...OR RAIN. LARGE HAIL IS ALSO POSSIBLE.

$$

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 Apr 1, 11:31 AM EDT, 23 minutes earlier.

Area forecast discussion, Apr 1, 11:31 AM EDT, 23 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1131 AM EDT SUN APR 1 2001

WILL SHOOT FOR ANOTHER ZFP UPDATE AROUND NOON TO CLEAN UP MTN
WORDING AS LINGERING SCATTERED RAIN AND SNOW SHOWERS TAPER TO
FLRYS AND SPRINKLES THIS AFTERNOON. STILL EXPECT STRONG GRADIENT
WIND TO DEVELOP IN SUBSIDENCE AREA & CURRENT WIND/LAKE WIND
ADVISORIES ARE ON TRACK. PROBABLY WILL GO AHEAD & DROP POPS FROM
FOOTHILL ZONES & LIKELY WILL MAY SOME MINOR TEMP/WIND TWEAKS AS
WELL.

FCSTID = 55
GSP   62  34  65  47 /  10   0  10  10
AND   63  34  65  47 /  10   0  10  10
CLT   62  34  65  47 / 100   0  10  10
HKY   53  34  61  43 /  40  10   0  10
AVL   47  32m  60  40 /  20  10  10  10

.GSP...
GA...WIND ADVISORY FOR AREA LAKES.
NC...WIND ADVISORY FOR MOUNTAINS...WIND ADVISORY FOR AREA LAKES ELSEWHERE.
SC...WIND ADVISORY FOR AREA LAKES.

In the hours before

Local storm report, Apr 1, 10:58 AM EDT, 56 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
1058 AM EDT SUN APR 01 2001

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

1049 AM    GAFFNEY                   SC   .75 INCH HAIL
04/01/01   CHEROKEE                       ALSO MEASURED 53 MPH WIND
                                          GUST. REPORTED BY SKYWARN
                                     2     SPOTTER.

CSH

Local storm report, Apr 1, 11:02 AM EDT, 52 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
1102 AM EDT SUN APR 01 2001

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

1100 AM    GAFFNEY                   SC   .75 INCH HAIL
04/01/01   CHEROKEE                       HAIL COVERING GROUND.
                                          REPORTED BY SKYWARN
                                          SPOTTER.

CSH

Local storm report, Apr 1, 11:12 AM EDT, 42 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
1112 AM EDT SUN APR 01 2001

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

1105 AM    UNION                     SC   WIND DAMAGE
04/01/01   UNION                          TREES DOWN. FROM COUNTY
                                          EPD.

1105 AM    BUFFALO                   SC   WIND DAMAGE
04/01/01   UNION                          TREES DOWN. FROM COUNTY
                                          EPD.

RWH

Local storm report, Apr 1, 11:24 AM EDT, 30 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
1124 AM EDT SUN APR 01 2001

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

1120 AM    3 E DOWNTOWN GASTONIA     NC   .75 INCH HAIL
04/01/01   GASTON                         AMATEUR RADIO SPOTTER
                                          REPORTED

JONES

Local storm report, Apr 1, 11:27 AM EDT, 27 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
1127 AM EDT SUN APR 01 2001

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

1115 AM    2 SW DOWNTOWN GASTONIA    NC   WIND DAMAGE
04/01/01   GASTON                         AMATEUR RADIO SPOTTER
                                          REPORTED TREES
                                          DOWN...TRANSjFORMERS
                                          BLOWN...AND LINE FIRES

JONES

Local storm report, Apr 1, 11:47 AM EDT, 7 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
1147 AM EDT SUN APR 01 2001

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

1115 AM    TRIANGLE                  NC   WIND DAMAGE
04/01/01   LINCOLN                        911 TREES DOWN ON A
                                          RESIDENCE AT LAKE NORMAN

1135 AM    YORK                      SC   WIND DAMAGE
04/01/01   YORK                           911 REPORTED A COUPLE
                                          TREES BLOWN DOWN AND
                                          SMALL HAIL

JONES

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 1, 10:54 AM EDT	Severe Thunderstorm Warning	GSP	Cleveland	51 min
Apr 1, 10:54 AM EDT	Severe Thunderstorm Warning	GSP	Gaston, Lincoln	51 min
Apr 1, 11:30 AM EDT	Severe Thunderstorm Warning	GSP	Mecklenburg	45 min
Apr 1, 11:45 AM EDT	Severe Thunderstorm Warning	GSP	Cabarrus	30 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.