Alert archive / South Carolina / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 121, NWS Charleston, SC
NWS Charleston, SC issued this severe thunderstorm warning at Jun 14, 1998, 8:44 PM EDT for Berkeley County, South Carolina. It was in force for 56 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
- Jun 14, 1998, 8:44 PM EDT (00:44 UTC)
- Expired
- Jun 14, 1998, 9:40 PM EDT
- In force
- 56 min
- Issued by
- NWS Charleston, SC
- Area
- Whole counties
County Berkeley County, SC
The radar
The Charleston,SC radar (KCLX), 118 km from the middle of the area, began a volume at 00:47 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 14, 9:20 PM EDT | Hail 0.88 | Cross, SC |
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 00:00Z, 0.7 hours before the alert went out and 33 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
- 306 J/kg
- Mixed-layer CIN
- -157 J/kg
- Mixed-layer LCL
- 1578 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 36 m²/s²
- 0-3 km storm-relative helicity
- 236 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.4
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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 14, 2:50 PM EDT, 5 hours 54 minutes earlier.
Area forecast discussion, Jun 14, 2:50 PM EDT, 5 hours 54 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE CHARLESTON SC 250 PM EDT SUN JUN 14 1998 SAT PIX AND SFC ANLY SHOWING FRONT ALIGNED JUST TO THE SW ALONG THE SAV RVR. SHOULD CONT ITS NWRD PROGRESSION THRU LATE NIGHT. UPR ORGANIZATION STAYS WELL TO THE N WITH LOBE CROSSING THE CAROLINAS TO THE N...BUT ENUF INSTAB AS FRONT MOVES THRU TO INTRODUCE SLGT CHC POPS BEGINNING TONIGHT FOR CWA. PUTS SE AGAIN IN THE SOUP AS DWPTS REBOUND INTO THE 70S FOR MONDAY. BLV ENUF INSTAB ESTABLISHED AFTN ON MON TO CONT POPS...BUT LACK OF MAJOR FOCUS TO KEEP THINGS AT JUST SLGT CHC. QUIET NIGHT MON AND SLGT CHC AGAIN FOR AFTN TUE WITH SECONDARY SYS WELL TO THE W THEN. WILL STICK CLOSE TO FWC TEMPS. FLO INCRS OUT OF THE SW AND INCRSNG TO 15 MPH RANGE IN ZONES...15-20 KT FOR CWF...BACKS OFF A LTL MON NIGHT BUT INCRSS AGAIN TUE DAYTIME. BUT ...WL CONT SEAS BLO SCA CRIT. S CST .TONIGHT...PARTLY CLOUDY WITH A 20 PERCENT CHC OF SHOWERS/TSTMS. LOWS 70-75. SW WIND 10 TO 15 MPH. .MON...PARTLY CLOUDY. A 20 PERCENT CHC OF TSTMS. HIGHS 90-95. SW WIND 15 MPH. .MON NIGHT...PARTLY CLOUDY. LOW MID 70S INLAND...NR 80 CST. .TUE...PARTLY CLOUDY. A 20 PERCENT CHC OF TSTMS. HIGHS 90-95. CHS ARPT BB 72/94/74/94 22-2 CHS CITY 78/90/80/90 SAV ARPT BB 73/94/74/95 22-2 MJR
In the hours before
Local storm report, Jun 14, 7:55 PM EDT, 49 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHARLESTON SC
755 PM EDT SUN JUN 14 1998
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0745 PM 4 N EDISTO BEACH SC 1.75 INCH HAIL
06/14/98 CHARLESTON GOLF BALL HAIL. SPOTTER
REPORTLocal storm report, Jun 14, 8:14 PM EDT, 30 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHARLESTON SC
814 PM EDT SUN JUN 14 1998
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0720 PM 9 NW EDISTO BEACH SC WIND DAMAGE
06/14/98 COLLETON SEVERAL PINES SNAPPED OFF
10-15 FT ABOVE GROUND.
LARGE LIMBS DOWNED. NEAR
BEAR ISLAND/BENNETTS POINT
RD. SPOTTER REPORT
0720 PM 9 NW EDISTO BEACH SC 1 INCH HAIL
06/14/98 COLLETON QUARTER SIZED HAIL.
MLLocal storm report, Jun 14, 8:14 PM EDT, 30 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHARLESTON SC
814 PM EDT SUN JUN 14 1998
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0720 PM 9 NW EDISTO BEACH SC WIND DAMAGE
06/14/98 COLLETON SEVERAL PINES SNAPPED OFF
10-15 FT ABOVE GROUND.
LARGE LIMBS DOWNED. NEAR
BEAR ISLAND/BENNETTS POINT
RD. SPOTTER REPORT
0720 PM 9 NW EDISTO BEACH SC 1 INCH HAIL
06/14/98 COLLETON QUARTER SIZED HAIL.
MLThe office that day
Everything else NWS Charleston, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 14, 8:44 PM EDT | Severe Thunderstorm Warning | CHS | Berkeley | 71 min |
Nearby
Severe Thunderstorm Warnings in South Carolina, 1998Every severe thunderstorm warning in 1998
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; radar from the NEXRAD Level II archive.