Alert archive / South Carolina / Severe Thunderstorm Warnings in 2003
Severe Thunderstorm Warning 138, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at May 25, 2003, 6:33 PM EDT for Cherokee County, York County, South Carolina. It was in force for 42 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- May 25, 2003, 6:33 PM EDT (22:33 UTC)
- Expired
- May 25, 2003, 7:15 PM EDT
- In force
- 42 min
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Counties, with a storm outline in the text
Counties Cherokee County, SC, York County, SC
Did it verify
Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this severe thunderstorm warning while it was in force. That is not proof nothing happened: reports are thin where few people live.
Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.
The nearest sounding before it
Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 10.6 hours before the alert went out and 188 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
- 30 J/kg
- Mixed-layer CIN
- -16 J/kg
- Mixed-layer LCL
- 494 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 46 m²/s²
- 0-3 km storm-relative helicity
- 64 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 252233 SVRGSP SCC021-091-252315- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 632 PM EDT SUN MAY 25 2003 THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHEASTERN CHEROKEE COUNTY IN UPSTATE SOUTH CAROLINA WESTERN YORK COUNTY IN UPSTATE SOUTH CAROLINA * UNTIL 715 PM EDT * AT 632 PM EDT...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM 12 MILES NORTHEAST OF UNION...OR ABOUT OVER SARATT... MOVING NORTHEAST AT 20 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... HICKORY GROVE AT 650 PM EDT. SMYRNA AT 700 PM EDT. YORK AT 705 PM EDT. KINGS MOUNTAIN STATE PARK AT 715 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. LAT...LON 3491 8168 3478 8152 3509 8109 3515 8138 $$ RBN
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, 3:36 PM EDT, 2 hours 57 minutes earlier.
Area forecast discussion, May 25, 3:36 PM EDT, 2 hours 57 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 336 PM EDT SUN MAY 25 2003 SCATTERED TO NUMEROUS SHOWERS AND THUNDERSTORMS DEVELOPING IN QUITE UNSTABLE AIRMASS AHEAD OF NEARLY STATIONARY SURFACE BOUNDARY DRAPED ACROSS THE SOUTHERN AND EASTERN 1/4 OF THE CWFA. THE MAIN CONCERN OVERNIGHT WILL SURROUND HEAVY RAINFALL POTENTIAL. EXPECT COVERAGE OF CONVECTION TO INCREASE FURTHER AHEAD OF THE BOUNDARY INTO THE EVENING...AS UPPER LEVEL JET STREAK PASSES WEST AND NORTH OF THE AREA TONIGHT...PLACING MUCH OF THE REGION IN THE RR QUAD BETWEEN 00 AND 06Z. CONVECTIVE CELLS ARE ALREADY INDICATING A TRAINING TREND...ESPECIALLY ACROSS THE SOUTHWEST NC PIEDMONT...AND EASTERN PIEDMONT OF SC. WITH COVERAGE EXPECTED TO INCREASE DURING THE EVENING...AND CONSIDERING ANTECEDENT MOIST CONDITIONS ACROSS THE AREA...HAVE DECIDED TO HOIST A FLOOD WATCH FOR MUCH OF THE I-77 CORRIDOR. WEST OF THE SURFACE BOUNDARY...WE STILL ANTICIPATE A DECENT SHOT OF SEEING SOME RAIN ASSOCIATED WITH THE LARGER SCALE FORCING...BUT WEAKER INSTABILITY WILL INHIBIT HEAVY RAIN THREAT. THE MODELS INIDCATE ONLY A SLIGHT EASTWARD SHIFT OF THE BOUNDARY TOMORROW...BUT WITH LACK OF UPPER SUPPORT...COVERAGE OF CONVECTION SHOULD BE OF A SCATTERED NATURE TOMORROW AFTERNOON...MAINLY ACROSS EASTERN PORTIONS OF THE CWFA. MEANWHILE...DRIER LOW LEVEL AIR AND WARMING MID LEVEL TEMPS WILL INHIBIT CONVECTION ACROSS THE WESTERN HALF OF THE CWFA TOMORROW. THE UPPER LOW WILL MOVE ACROSS THE REGION ON WEDNESDAY...BUT WITH DEEP LAYER RH SHUNTED EAST OF THE AREA... PRECIPITATION WILL BE DIFFICULT TO COME BY...AND HAVE OPTED TO SHOTGUN A SILENT 20 WEDNESDAY AFTERNOON. UPPER LOW FINALLY SHIFTS EAST OF THE REGION WEDNESDAY...BUT ANOTHER NORTHERN STREAM WAVE SLIDES DOWN THE WESTERN PERIPHERY OF THE LOW AND CROSSES THE REGION THURSDAY NIGHT AND FRIDAY. POPS HAVE BEEN INCREASED TO THE CHANCE RANGE THURSDAY AFTERNOON AND EVENING IN ADVANCE OF THIS FEATURE. ANOTHER NORTHERN STREAM WAVE PASSES WELL NORTH OF THE AREA OVER THE WEEKEND...BUT DOES SEND A FRONTAL BOUNDARY TOWARD THE REGION BY SUNDAY...WARRANTING A MENTION OF POPS. FCSTID = 4 GSP 62 81 60 77 / 60 40 20 20 AND 62 81 59 78 / 50 20 10 20 CLT 62 81 60 76 / 80 50 20 20 HKY 60 77 58 73 / 60 40 10 20 AVL 58 67 53 72 / 70 20 10 20 .GSP... GA...NONE. NC...FLOOD WATCH FOR TONIGHT FOR ZONES NCZ036>037...NCZ056>057... NCZ069>072...NCZ082. SC...FLOOD WATCH FOR TONIGHT FOR ZONE SCZ009. LANE
Hazardous weather outlook, May 25, 10:55 AM EDT, 7 hours 38 minutes before
GAZ010-017-018-026-028-029-NCZ033>037-048>059-062>072-082-SCZ001>014- 019-251615- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 1055 AM EDT SUN MAY 25 2003 THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN NORTH CAROLINA... UPSTATE SOUTH CAROLINA...AND EXTREME NORTHEAST GEORGIA. .DAY ONE...TODAY THUNDERSTORMS WILL DEVELOP ACROSS THE WESTERN CAROLINAS AND EXTREME NORTHEAST GEORGIA THIS AFTERNOON AND TONIGHT. A FEW OF THE THUNDERSTORMS COULD BE SEVERE...ESPECIALLY FROM ELBERTON AND ABBEVILLE NORTHEAST TO CHESTER AND THE CHARLOTTE METRO AREA. FOR ADDITIONAL INFORMATION...SEE THE SEVERE WEATHER OUTLOOK ISSUED AT 1050 AM. THERE IS THE POTENTIAL FOR FLOODING RAIN WHERE SLOW MOVING THUNDERSTORMS DEVELOP AND MOVE OVER THE SAME AREA REPEATEDLY... MAINLY THIS EVENING AND TONIGHT. THE AREA FROM GREENVILLE AND RUTHERFORDTON EAST TO GASTONIA...METRO CHARLOTTE...AND SALISBURY WILL BE ESPECIALLY SUSCEPTIBLE TO FLOOD PROBLEMS DUE TO THE EXCESSIVE RAINS OF LAST WEEK. FOR MORE INFORMATION...SEE THE SEVERE WEATHER OUTLOOK. .DAYS TWO THROUGH SEVEN... THUNDERSTORMS WILL DEVELOP AGAIN ON MEMORIAL DAY...AND THERE IS THE CHANCE THAT SOME OF THEM COULD BE SEVERE...ESPECIALLY ACROSS THE PIEDMONT IN THE AFTERNOON AND EVENING. HAZARDOUS WEATHER IS NOT EXPECTED FROM TUESDAY THROUGH FRIDAY. MORE THUNDERSTORMS COULD DEVELOP ACROSS THE MOUNTAINS ON SATURDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE REQUIRED. MOORE
In the hours before
Special weather statement, May 25, 2:15 PM EDT, 4 hours 18 minutes before
NCZ071-SCZ009-251915- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 215 PM EDT SUN MAY 25 2003 ...STRONG THUNDERSTORM OVER EASTERN YORK COUNTY SOUTH CAROLINA... AT 215 PM...WEATHER RADAR SHOWED A STRONG THUNDERSTORM DEVELOPING OVER EASTERN YORK COUNTY BETWEEN THE CITIES OF YORK AND ROCK HILL. THIS THUNDERSTORM WAS MOVING TO THE NORTHEAST AT 25 MPH. ON ITS PRESENT TRACK...THIS STORM WILL MOVE NEAR THE SOUTHERN END OF LAKE WYLIE AROUND 220 PM...THEN PINEVILLE NORTH CAROLINA AROUND 235 PM...AND MATTHEWS AROUND 250 PM. THIS THUNDERSTORM MAY PRODUCE SMALL HAIL AND WIND GUSTS OF 40 MPH. BOATERS ON THE SOUTHERN END OF LAKE WYLIE SHOULD TAKE APPROPRIATE ACTION TO AVOID THE STORM. A WARNING MAY BE ISSUED IF THE STORM CONTINUES TO INTENSIFY. STAY TUNED TO NOAA WEATHER RADIO OR THE MEDIA FOR THE LATEST WEATHER INFORMATION. MOORE
Local storm report, May 25, 5:11 PM EDT, 1 hour 22 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
511 PM EDT SUN MAY 25 2003
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
445 PM 2 N MONROE NC WIND DAMAGE
05/25/03 UNION SPOTTER AND 911 REPORTS
OF TREE DOWN...PART OF
BUILDING BLOWN OFF...AND
TENTS BLOWN DOWN HWY
74/601 AREAS.
455 PM NEW SALEM NC .75 INCH HAIL
05/25/03 UNION SPOTTER REPORTED...ALONG
WITH A HALF INCH OF RAIN
IN A SHORT TIME.
JONESLocal storm report, May 25, 5:47 PM EDT, 46 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
547 PM EDT SUN MAY 25 2003
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
500 PM 2 W GREAT FALLS SC WIND DAMAGE
05/25/03 CHESTER 911 REPORTED A FEW TREES
BLOWN DOWN.
JONESNearby
Severe Thunderstorm Warnings in South Carolina, 2003Every severe thunderstorm warning in 2003
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.