Alert archive / South Carolina / Severe Thunderstorm Warnings in 2002
Severe Thunderstorm Warning 31, NWS Charleston, SC
NWS Charleston, SC issued this severe thunderstorm warning at Jun 6, 2002, 7:58 PM EDT for Allendale County, Hampton County, South Carolina. It was in force for 32 min. 3 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
- Jun 6, 2002, 7:58 PM EDT (23:58 UTC)
- Expired
- Jun 6, 2002, 8:30 PM EDT
- In force
- 32 min
- Issued by
- NWS Charleston, SC
- Area
- Whole counties
Counties Allendale County, SC, Hampton County, SC
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 6, 8:10 PM EDT | Thunderstorm Wind 50 E | Ulmers, SC | Numerous trees were knocked down. |
| Jun 6, 8:15 PM EDT | Thunderstorm Wind 50 E | Sycamore, SC | Several trees down along Longpoint Road. |
| Jun 6, 8:20 PM EDT | Thunderstorm Wind 50 E | Allendale, SC | An oak tree fell on a moble home and did extensive damage. |
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
Charleston AFB, SC (KCHS), launched 12:00Z, 12.0 hours before the alert went out and 117 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
- 37 J/kg
- Mixed-layer CIN
- -210 J/kg
- Mixed-layer LCL
- 1159 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- 20 m²/s²
- 0-3 km storm-relative helicity
- 7 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 KCHS 062358 SVRCHS SCC005-049-070030- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING...FOR HIGH WINDS NATIONAL WEATHER SERVICE CHARLESTON SC 758 PM EDT THU JUN 6 2002 THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHERN HAMPTON COUNTY IN SOUTHERN SOUTH CAROLINA. EASTERN ALLENDALE COUNTY IN WEST CENTRAL SOUTH CAROLINA. * UNTIL 830 PM EDT. * AT 758 PM EDT...RADAR INDICATED A SEVERE THUNDERSTORM NEAR FAIRFAX...OR ABOUT 7 MILES SOUTHEAST OF ALLENDALE...MOVING NORTHEAST AT 15 TO 20 MPH. * COMMUNITES IN OR NEAR THE PATH OF THIS STORM INCLUDE... JANNYS...MILEY...ULMER...SYCAMORE... RURAL AREAS OF NORTHERN HAMPTON COUNTY... WIND GUSTS BETWEEN 60 AND 70 MPH CAN BE EXPECTED ALONG WITH LARGE HAIL. THIS IS A DANGEROUS SEVERE THUNDERSTORM...TAKE COVER NOW SEVERE THUNDERSTORM WINDS CAN BE AS DESTRUCTIVE AS A TORNADO. ABANDON MOBILE HOMES AND VEHICLES FOR MORE SUBSTANTIAL SHELTER. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR AND AVOID WINDOWS. $$ LAT...LON 3297 8130 3288 8117 3296 8104 3309 8119 ST
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 Charleston, SC wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 6, 2:45 PM EDT, 5 hours 13 minutes earlier.
Area forecast discussion, Jun 6, 2:45 PM EDT, 5 hours 13 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE CHARLESTON SC 245 PM EDT THU JUN 6 2002 CURRENT WATER VAPOR LOOP SHOWS IMPRESSIVE TROF MOVING THROUGH THE WESTERN AREAS OF THE TN VALLEY. MOISTURE AND PW LEVELS ARE DOWN SOMEWHAT FROM YESTERDAY AND THIS CAN BE SEEN ON THE LOOP AS DRIER AIR OVER SOUTHERN AL AND GA MOVES EAST TOWARD THE AREA. MOISTURE OVER THE WESTERN GULF WILL ADVECT NORTHEAST AHEAD OF THE APPROACHING TROF TONIGHT...INCREASING PW VALUES TO NEAR 2 INCHES BY LATE TONIGHT. THE ETA IS FORECASTING THE CENTER OF THE UPPER TROF TO PUSH EAST OVER THE MIDDLE ATLANTIC STATES. THE WATER VAPOR LOOP HOWEVER DOES SHOW SIGNIFICANT DRYING DOWN THROUGH ARKANSAS...MAKING ME THINK THAT THE CHANCES OF TS DEVELOPMENT LATE THIS AFTERNOON AND TONIGHT STILL EXISTS WITH LIFT APPROACHING THE AREA BY EVENING. CURRENT CLOUDCOVER TO THE WEST MIGHT LIMIT AFTERNOON HEATING...BUT SOME AFTERNOON SEABREEZE ACTIVITY STILL POSSIBLE. BEST CHANCES WILL OCCUR AFTER MIDNIGHT AS 850-500 MB TROF MOVES THROUGH WITH IMPRESSIVE DIFLUENCE FIELDS ALOFT. THE CWA WILL BE IN A FAVORABLE JET LOCATION AND THE ETA SHOWS PLENTY OF OMEGA. A WEAK SFC TROF WILL ALSO BE PUSHING EAST ACROSS THE STATE WHICH WILL GIVE ADDED LIFT. BEST INSTABILITY NUMBERS ARE TO THE NORTH OVER VA AND NC...BUT SPC CONTINUES TO CARRY US IN A SLIGHT RISK AREA FOR SVR WX. DEPENDING ON WHAT THE RADAR LOOKS LIKE AT TIME OF ZONE ISSUANCE...MAY ELECT TO INPUT WORDING OF SVR INTO THE ZONES. FRONTAL BOUNDARY HANGS OVER THE ARE ON FRIDAY...KEEPING THE CHANCE FOR TS IN THE FORECAST...BEFORE HIGH PRESSURE SURGES SOUTH FRIDAY NIGHT. THIS SHOULD END PRECIP CHANCES BY LATE FRIDAY...ALLOWING FOR A DRY AND SLIGHTLY COOLER WEEKEND. NORTHEAST WINDS ARE EXPECTED SAT AND SUN. EXTENDED...LONG RANGE MODELS SHOW UPPER RIDGE TO REMAIN OVER THE EASTERN SEABOARD THROUGH TUE...BEFORE ANOTHER TROF APPROACHES FROM THE GREAT LAKES. WILL KEEP SLIGHT CHANCE FOR SH/TS FOR WED AND THURSDAY. MARINE...PLAN TO GO WITH A BIT MORE PESSIMISTIC FCST THAN PREVIOUS MODEL RUNS INDICATED. MODELS BEGINNING TO NARROW IN ON A SOLN WHICH SUGGESTS BLYR WINDS INCREASING UP TO 15 TO 20 KT BEHIND THE FRONT LATE FRI NIGHT INTO SAT. WINDS SHOULD COME DOWN AGAIN TO PROBABLY AROUND 15 KT BY LATE SAT BUT SEAS MAY HAVE A CHANCE TO FLIRT WITH SMALL CRAFT ADVISORY LEVELS IF WINDS ARE SLOWER TO DECREASE. MODELS OFTEN ARE TOO QUICK TO DECREASE WINDS IN NE FLOW. WILL GO WITH WINDS UP TO 20 KT AND SEAS UP TO 5 FT AS THINK IT SHOULD BE A RELATIVELY SHORT PERIOD OF STRONGER CONDITIONS. CAA IS NOT REAL STRONG WHICH MAY BE THE LIMITING FACTOR BUT WATER TEMPS ARE QUITE WARM AND ANY COOLER AIR OVER THE WATER SHOULD MIX EFFICIENTLY. FCSTID = 13 CHS 69 86 68 79 / 40 50 30 10 SAV 70 86 69 79 / 40 50 40 20 CHL 73 81 71 78 / 40 50 30 10 NBC 70 87 69 78 / 40 50 30 10 RBW 68 87 66 80 / 40 50 30 10 .CHS... GA...NONE. SC...NONE. PY/SF
Nearby
Severe Thunderstorm Warnings in South Carolina, 2002Every severe thunderstorm warning in 2002
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.