Alert archive / South Carolina / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 185, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Sep 25, 2000, 4:00 PM EDT for York County, South Carolina. It was in force for 45 min. 2 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
- Sep 25, 2000, 4:00 PM EDT (20:00 UTC)
- Expired
- Sep 25, 2000, 4:45 PM EDT
- In force
- 45 min
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Whole counties
County York County, SC
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Sep 25, 4:22 PM EDT | Thunderstorm Wind 52 M | Rock Hill, SC | |
| Sep 25, 4:30 PM EDT | Thunderstorm Wind 50 E | York, SC | Numerous trees were downed along Hwy 49. |
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 |
|---|---|---|---|
| Sep 25, 3:30 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 8.0 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.
- Mixed-layer CAPE
- 411 J/kg
- Mixed-layer CIN
- -52 J/kg
- Mixed-layer LCL
- 751 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 52 m²/s²
- 0-3 km storm-relative helicity
- 175 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.4
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS52 KGSP 252001 SVRGSP SCC091-252045- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 400 PM EDT MON SEP 25 2000 THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... YORK COUNTY IN UPSTATE SOUTH CAROLINA * UNTIL 445 PM EDT * AT 400 PM EDT...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM WITH DAMAGING WINDS 7 MILES SOUTHWEST OF YORK...OR ABOUT 3 MILES SOUTHEAST OF SHARON...MOVING NORTHEAST AT 40 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... YORK AT 410 PM EDT ROCK HILL AT 430 PM EDT LAKE WYLIE 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. $$a JAT
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 Sep 25, 2:34 PM EDT, 1 hour 26 minutes earlier.
Area forecast discussion, Sep 25, 2:34 PM EDT, 1 hour 26 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 234 PM EDT MON SEP 25 2000 STRONG CONVECTION NOW FORMING ACROSS WRN UPSTATE AHEAD OF PRE-FRONTAL TROF AND DRY SLOT ON WV LOOP AHEAD OF MAIN SYSTEM. DEW POINTS STAYED HIGH AND BREAKS IN CLOUDS ALLOWED TEMPS TO WARM MORE THAN EXPECTED. LAPS AND MSAS ANAL SHOW ATMOS HAS BECOME MORE UNSTABLE THAN FCST. BACK DOOR FNT HAS STALLED ALONG THE NRN CWFA BORDER. STRONG SPEED SHEAR ACROSS THE AREA. ALL THIS LEADS TO DECENT CHC OF SVR TSRA THIS AFTERNOON AND EVENING. CAT POPS THIS EVE ALL ZONES. COLD FNT AND SFC LOW MOVE THRU TONIGHT AND DRY SLOT WORKS INTO THE AREA. WINDS BECOME DOWNSLOPE BUT CLOUDS OUTSIDE OF THE MTNS WILL NOT CLEAR UNTIL AFTERNOON. WRAP AROUND MOISTURE REMAINS HIGH ACROSS NC MTNS TUE. CAA AND DECENT NWLY FLOW SO WILL GO WITH A SMALL POP FOR SHRA. NC MTN SKIES CLEAR TUE NIGHT THEN DRY WX THRU SAT. AGREE WITH NCEP THAT MRF TOO AGGRESSIVE WITH TROPICAL CYCLONE FROM CARRIBEAN. WENT WITH WARMER GUIDANCE TONIGHT GIVEN CLOUDS. WENT TOWARD COOLER GUIDANCE REST OF PERIOD. FCSTID = 81 GSP 63 74 50 75 / 60 10 0 0 AND 62 75 50 75 / 60 10 0 0 CLT 65 74 48 74 / 80 10 0 0 HKY 64 73 47 72 / 70 10 0 0 AVL 58 65 44 67 / 70 30 0 0 .GSP... GA...NONE. NC...NONE. SC...NONE. RWH
In the hours before
Special weather statement, Sep 25, 11:26 AM EDT, 4 hours 34 minutes before
GAZ010-017-018-026-028-029-NCZ033>037-048>059-062>072-082-SCZ001>014- 019-252000- SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 1126 AM EDT MON SEP 25 2000 ...SEVERE THUNDERSTORMS POSSIBLE THIS AFTERNOON... A WARM MOIST AIR MASS IS IN PLACE ACROSS MUCH OF THE WESTERN CAROLINAS AND NORTHEAST GEORGIA. A STRONG LOW PRESSURE SYSTEM AND ASSOCIATED COLD FRONT TO OUR WEST WILL MOVE ACROSS THE AREA THIS EVENING. THUNDERSTORMS HAVE DEVELOPED AHEAD OF THE SYSTEM AND WILL MOVE ACROSS THE AREA THIS AFTERNOON AND EVENING. SOME OF THESE STORMS WILL BECOME STRONG AND COULD BECOME SEVERE. THE MAIN THREAT FROM THESE STORMS WILL BE DAMAGING DOWNBURST WINDS. HOWEVER...SOME LARGE HAIL IS ALSO POSSIBLE. SEVERE WEATHER IS MOST LIKELY ACROSS UPSTATE SOUTH CAROLINA...EXTREME NORTHEAST GEORGIA...AND THE CHARLOTTE METRO AREA. HOWEVER...SEVERE WEATHER IS POSSIBLE ANYWHERE ALONG AND SOUTH OF INTERSTATE 40. SPOTTER GROUPS SHOULD BE PREPARED TO ACTIVATE QUICKLY LATE THIS AFTERNOON AND THIS EVENING. DISPATCHERS SHOULD ENSURE COUNTY EMERGENCY MANAGEMENT OFFICIALS ARE AWARE OF THIS INFORMATION. STAY TUNED TO NOAA WEATHER RADIO OR YOUR FAVORITE MEDIA OUTLET FOR MORE INFORMATION ON THIS SEVERE WEATHER SITUATION. RWH
The office that day
Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 25, 4:33 PM EDT | Severe Thunderstorm Warning | GSP | Chester | 57 min |
| Sep 25, 6:48 PM EDT | Severe Thunderstorm Warning | GSP | Greenwood, Laurens | 42 min |
Nearby
Severe Thunderstorm Warnings in South Carolina, 2000Every severe thunderstorm warning in 2000
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.