Alert archive / North Carolina / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 16, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at May 21, 2001, 10:27 AM EDT for Polk County, Rutherford County, North Carolina. It was in force for 48 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 21, 2001, 10:27 AM EDT (14:27 UTC)
- Expired
- May 21, 2001, 11:15 AM EDT
- In force
- 48 min
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Whole counties
Counties Polk County, NC, Rutherford County, NC
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 21, 10:27 AM EDT | Thunderstorm Wind 50 E | Countywide, NC | At least 11 trees were blown down county-wide by a morning severe thunderstorm. |
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 12:00Z, 2.5 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.
- Mixed-layer CAPE
- 322 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 454 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 129 m²/s²
- 0-3 km storm-relative helicity
- 132 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS52 KGSP 211427 SVRGSP NCC149-161-211515- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 1027 AM EDT MON MAY 21 2001 THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... EASTERN POLK COUNTY IN WESTERN NORTH CAROLINA SOUTHERN RUTHERFORD COUNTY IN WESTERN NORTH CAROLINA * UNTIL 1115 AM EDT * AT 1027 AM EDT...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM 6 MILES EAST OF COLUMBUS...OR ABOUT 6 MILES SOUTHEAST OF MILL SPRING...MOVING EAST AT 15 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... RUTHERFORDTON AT 1055 AM EDT HARRIS AT 1105 AM EDT FOREST CITY AT 1110 AM EDT ALEXANDER MILLS AT 1115 AM EDT PEOPLE IN THE PATH OF THIS SEVERE THUNDERSTORM SHOULD BE ALERT FOR LARGE HAIL AND DAMAGING WINDS. FREQUENT LIGHTNING AND LOCALLY HEAVY RAIN CAN OCCUR WITH ANY THUNDERSTORM. $$ 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 21, 10:20 AM EDT, 7 minutes earlier.
Area forecast discussion, May 21, 10:20 AM EDT, 7 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 1020 AM EDT MON MAY 21 2001 RUC SHOWS UPPER VORT LOBE LEAVING AREA AROUND NOON...AND SHOULD SEE NC FOOTHILL ACTIVITY FOLLOW IT. ANOTHER...STRONGER VORT LOBE APPROACHES AREA FROM W THIS AFTERNOON...CROSSING NC MOUNTAINS THIS EVENING. BIG BREAK IN CLOUDS OVER NC MOUNTAINS...WHERE HEATING SHOULD CAUSE CLOUDS TO FILL IN. WILL TRIM POPS TO 50 IN SC/GA...AS WELL AS S TIER NC. WILL LEAVE LIKELY NC MOUNTAINS...AND I-40 CORRIDOR TO ACCOUNT FOR CURRENT ACTIVITY MOVING INTO THAT AREA. CAPE TO ALMOST 2000 TODAY WHEN MODIFYING FFC SOUNDING...AND SOME SHEAR EXISTS...SO SEVERE STILL A CONCERN. TEMPERATURES IN GOOD SHAPE USING 1000-850 THICKNESS SCHEME AND MAKING MAXIMUM ADJUSTMENT FOR LOW CLOUDS. VISIBILITY IMPROVING...AND WILL ALLOW FOG WORDING TO EXPIRE. FCSTID = 7 GSP 80 68 78 53 / 50 70 90 10 AND 81 69 78 54 / 50 70 9A0 10 CLT 79 67 76 55 / 50 70 90 30 HKY 78 67 77 50 / 60 70 90 10 AVL 76 64 71 47 / 60 80 90 20 .GSP... GA...NONE. NC...NONE. SC...NONE.
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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.