Alert archive / North Carolina / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 121, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Aug 19, 2001, 7:15 PM EDT for Madison County, Yancey County, North Carolina. It was in force for 45 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
- Aug 19, 2001, 7:15 PM EDT (23:15 UTC)
- Expired
- Aug 19, 2001, 8:00 PM EDT
- In force
- 45 min
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Whole counties
Counties Madison County, NC, Yancey County, NC
The nearest sounding before it
Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 11.3 hours before the alert went out and 236 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
- 537 J/kg
- Mixed-layer CIN
- -47 J/kg
- Mixed-layer LCL
- 627 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 8 m²/s²
- 0-3 km storm-relative helicity
- 53 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
762 WUUS52 KGSP 192318 SVRGSP NCC115-199-200000- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 715 PM EDT SUN AUG 19 2001 THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... EASTERN MADISON COUNTY IN WESTERN NORTH CAROLINA YANCEY COUNTY IN WESTERN NORTH CAROLINA * UNTIL 800 PM EDT * AT 715 PM EDT...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM 11 MILES EAST OF MARSHALL...OR ABOUT 2 MILES NORTH OF MARS HILL...MOVING EAST AT 15 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... BURNSVILLE AT 730 PM EDT CELO AT 755 PM 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. $$ BURRUS
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 Aug 19, 3:19 PM EDT, 3 hours 56 minutes earlier.
Area forecast discussion, Aug 19, 3:19 PM EDT, 3 hours 56 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 319 PM EDT SUN AUG 19 2001 SLIGHT DWM IN NVA REGION OF ELONGATED S/WV TO OUR SE KEEPING CWFA ECHO FREE ATTM...BUT ATTENTION SHIFTS TO DEEP CONVECTION IN ERN KY/TN ALONG APPROACHING COLD FRONT. THIS FRONT DOES MOVE INTO THE NC MTNS LATER THIS EVENING SHIFTING AWAY FROM THE BEST DYNAMICS AND UPPER LEVEL SUPPORT. SOME LLVL CONVERGENCE & THETA-E RIDGING NOTED OVER THE MTNS THRU 00Z BEFORE WEAKENING NOTABLY THRU THE REST OF THE EVENING. GIVEN THIS...WILL KEEP POPS JUST IN CHC RANGE UNTIL MIDNIGHT. ON MONDAY...MODEL T/H X-SECTIONS INDICATE A NOTABLY DRIER AIRMASS TO PREVAIL AS PROGRESSIVE UPPER TROUGH TRANSLATES EASTWARD. A WEAK S/WV DOES SWING THRU BASE OF TROUGH DURING THE AFTERNOON...BUT DRYING EXPECTED TO KEEP POTENTIAL FOR TSTM DEVELOPMENT SMALL. WILL HANG ONTO SMALL AFTERNOON POPS WHERE CURRENTLY MENTIONED AROUND CLT WHERE SOME WEAK LLVL CONVERGENCE EXISTS & MOISTURE WILL BE SLIGHTLY BETTER...BUT OVERALL DRY AIRMASS LEADS TO VERY HIGH LFC & BUFKIT SHOWING MID-LVL CAPPING INVERSION. SO...CONFIDENCE NOT HIGH THAT WELL SEE STORMS DEVELOP...BUT ENOUGH EVIDENCE REMAINS TO KEEP POPS IN FCST. I ONE LAST WEAK S/WV ROTATES THRU IN VERY DRY AIRMASS TUESDAY WITH NW FLOW ON WEDNESDAY. NEW AVN DROPS MCS SE MAINLY ACRS CENTRAL APLCNS WED AFT/EVE...WITH CWFA LOOKING TO BE TOO FAR SOUTH TO CARRY ANY POPS. UPPER RIDGE LOOKS TO BUILD A LITTLE FURTHER EAST INTO THE CWFA ON THURSDAY & FRIDAY BEFORE FLATTENING OVER THE WEEKEND. FCSTID = 55 GSP 68 87 64 88 / 30 20 10 0 AND 68 87 64 88 / 30 20 10 0 CLT 68 87 64 88 / 30 30 10 0 HKY 65 87 62 86 / 40 20 10 0 AVL 63 82 58 82 / 40 10 10 0 .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; the sounding from the Mesonet's radiosonde archive.