Alert archive / South Carolina / Severe Thunderstorm Warnings in 1992
Severe Thunderstorm Warning 10, NWS Charleston, SC
NWS Charleston, SC issued this severe thunderstorm warning at Jun 19, 1992, 7:21 PM EDT for Colleton County, South Carolina. It was in force for 69 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 19, 1992, 7:21 PM EDT (23:21 UTC)
- Expired
- Jun 19, 1992, 8:30 PM EDT
- In force
- 69 min
- Issued by
- NWS Charleston, SC
- Area
- Whole counties
County Colleton County, SC
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 19, 7:36 PM EDT | Hail 1 | Colleton, 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. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.
The nearest sounding before it
Charleston AFB, SC (KCHS), launched 12:00Z, 11.4 hours before the alert went out and 61 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
- 230 J/kg
- Mixed-layer CIN
- -58 J/kg
- Mixed-layer LCL
- 916 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 25 m²/s²
- 0-3 km storm-relative helicity
- -2 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.8
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.
In the hours before
Special weather statement, Jun 19, 4:50 PM EDT, 2 hours 31 minutes before
SCZALL-192145- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE CHARLESTON SC 445 PM EDT TUE JUN 16 1992 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR THE NORTH COASTAL COUNTIES OF WILLIAMSBURG...GEORGETOWN AND HORRY UNTIL 10 PM EDT... THE CHARLESTON WEATHER RADAR INDICATED A THUNDERSTORM...WITH EXTREME RAINFALL...IN WILLIAMSBURG COUNTY SOUTHWEST OF HEMMINGWAY. THIS STORM CAN PRODUCE HAIL...GUSTY WINDS AND DANGEROUS LIGHTNING. PEOPLE SHOULD BE AWARE OF THREATENING CONDITIONS AND BE PREPARED TO MOVE TO SAFETY. ELSEWHERE...SHOWERS AND THUNDERSTORMS WERE OVER THE MIDLANDS AND COASTAL WATERS. THUNDERSTORMS...WITH INTENSE RAINFALL...WERE OBSERVED SOUTH OF AUGUSTA AND SAtVANNAH IN GEORGIA AND SOUTHEAST TO SOUTH OF COLUMBIA. ALL PRECIPITATION WAS MOVING EAST AT 15 TO 20 MILES AN HOUR. IANNELLI
Special weather statement, Jun 19, 5:10 PM EDT, 2 hours 11 minutes before
SCZALL-192145- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY...CORRECTED DATE... NATIONAL WEATHER SERVICE CHARLESTON SC 445 PM EDT FRI JUN 19 1992 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR THE NORTH COASTAL COUNTIES OF WILLIAMSBURG...GEORGETOWN AND HORRY UNTIL 10 PM EDT... THE CHARLESTON WEATHER RADAR INDICATED A THUNDERSTORM...WITH EXTREME RAINFALL...IN WILLIAMSBURG COUNTY SOUTHWEST OF HEMMINGWAY. THIS STORM CAN PRODUCE HAIL...GUSTY WINDS AND DANGEROUS LIGHTNING. PEOPLE SHOULD BE AWARE OF THREATENING CONDITIONS AND BE PREPARED TO MOVE TO SAFETY. ELSEWHERE...SHOWERS AND THUNDERSTORMS WERE OVER THE MIDLANDS AND COASTAL WATERS. THUNDERSTORMS...WITH INTENSE RAINFALL...WERE OBSERVED SOUTH OF AUGUSTA AND SAVANNAH IN GEORGIA AND SOUTHEAST TO SOUTH OF COLUMBIA. ALL PRECIPITATION WAS MOVING EAST AT 15 TO 20 MILES AN HOUR. IANNELLI
Special weather statement, Jun 19, 5:53 PM EDT, 1 hour 28 minutes before
SCZALL-192245- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE CHARLESTON SC 445 PM EDT FRI JUN 19 1992 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR THE NORTH COASTAL COUNTIES OF WILLIAMSBURG...GEORGETOWN AND HORRY UNTIL 10 PM EDT... THE CHARLESTON WEATHER RADAR INDICATED SHOWERS AND THUNDERSTORMS OVER THE EASTERN MIDLANDS AND COASTAL COUNTIES OF SOUTH CAROLINA AND COASTAL GEORGIA...FROM MYRTLE BEACH TO SAVANNAH TO JACKSONVILLE. THUNDERSTORMS ...WITH INTENSE RAINFALL...WERE FROM MYRTLE BEACH TO ANDREWS...IN HORRY AND GEORGETOWN COUNTIES...25 MILES NORTH TO NORTHEAST OF CHARLESTON AND ALONG THE SAVANNAH RIVER SOUTH OF AUGUSTA AND WEST OF SAVANNAH. ALL PRECIPITATION WAS MOVING SOUTHEAST AT 20 TO 25 MILES AN HOUR. THESE STORMS CAN PRODUCE EXTREME RAINFALL...HAIL...GUSTY WINDS AND DANGEROUS LIGHTENING. PERSONS IN THE VICINITY OF THESE STORMS SHOULD REMAIN ALERT TO THREATENING COUNDITIONS AND BE PREPARED TO MOVE TO A PLACE OF SAFETY. IANNELLI
Special weather statement, Jun 19, 7:02 PM EDT, 19 minutes before
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</html>The office that day
Everything else NWS Charleston, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 19, 6:21 PM EDT | Severe Thunderstorm Warning | CHS | Charleston, Colleton | 54 min |
| Jun 19, 6:40 PM EDT | Severe Thunderstorm Warning | CHS | Dorchester | 65 min |
| Jun 19, 6:59 PM EDT | Severe Thunderstorm Warning | CHS | Berkeley | 61 min |
Nearby
Severe Thunderstorm Warnings in South Carolina, 1992Every severe thunderstorm warning in 1992
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.