Alert archive / South Carolina / Tornado Warnings in 1991
Tornado Warning 2, NWS Charleston, SC
NWS Charleston, SC issued this tornado warning at Mar 3, 1991, 9:36 AM EST for Berkeley County, Williamsburg County, South Carolina. It was in force for 54 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
- Mar 3, 1991, 9:36 AM EST (14:36 UTC)
- Expired
- Mar 3, 1991, 10:30 AM EST
- In force
- 54 min
- Issued by
- NWS Charleston, SC
- Area
- Whole counties
Counties Berkeley County, SC, Williamsburg County, SC
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Mar 3, 9:45 AM EST | Thunderstorm Wind 0 | Williamsburg, 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, 2.6 hours before the alert went out and 59 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 0 m above ground
- 0-6 km bulk shear
- 63 kt
- 0-1 km storm-relative helicity
- 637 m²/s²
- 0-3 km storm-relative helicity
- 883 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.1
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 tornado 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, Mar 3, 6:42 AM EST, 2 hours 54 minutes before
GAZ-009-010-012-013-014-015 031230 SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAVANNAH GA 640 AM EST SUN MAR 3 1991 ...TORNADO WATCH NUMBER 27 CONTINUES IN EFFECT UNTIL 11 AM... ...VERY HEAVY RAINFALL CONTINUES WITH EMBEDDED THUNDERSTORMS ACROSS MUCH OF SOUTHEAST AND SOUTH CENTRAL GEORGIA... THE SEVERE THUNDERSTORM AND FLASH FLOOD WARNING FOR LOWNDES COUNTY WILL EXPIRE AT 645 AM THIS MORNING. HOWEVER ALL SOUTHEAST GEORGIA COUNTIES EAST OF A LINE FROM AUGUSTA SOUTH THROUGH WAYCROSS HAVE AN AREA OF RAIN WITH EMBEDDED THUNDERSTORMS WITH HEAVY RAIN AND GUSTY WINDS. WINDS IN SAVANNAH DURING THE PAST HOUR HAVE GUSTED TO 35 MILES PER HOUR WITH PERIODS OF HEAVY RAIN. THIS ENTIRE AREAq OF RAIN AND THUNDERSTORMS IS MOVING TO THE NORTH NORTHEAST AT NEAR 50 MILES PER HOUR.
Special weather statement, Mar 3, 7:09 AM EST, 2 hours 27 minutes before
GAZ--010-013-014-015 031330 SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAVANNAH GA 710 AM EST SUN MAR 3 1991 ...TORNADO WATCH NUMBER 27 CONTINUES IN EFFECT UNTIL 11 AM FOR ALL THE SOUTHEAST GEORGIA COUNTIES... ...VERY HEAVY RAINFALL CONTINUES WITH EMBEDDED THUNDERSTORMS ACROSS MUCH OF SOUTHEAST GEORGIA WITH THE STRONGEST THUNDESTORMS IN A LINE FROM BULLOCH COUNTY EXTENDING SOUTH TO JUST EAST OF WAYCROSS. THIS LINE OF STRONG THUNDERSTORMS IS MOVING TO THE NORTHEAST AT 50 MILES PER HOUR. WITH THIS MOVEMENT THE LINE OF THUNDERSTORMS WILL REACH THE IMMEDIATE COAST WITH ONE TO ONE AND A HALF HOURS AND CONTINUE INTO THE ATLANTIC. PERSONS IN THE SOUTHEAST COASTAL COUNTIES SHOULD REMAIN ALERT FOR POSSIBLE DAMAGING WINDS...HEAVY RAIN AND HAIL.
Special weather statement, Mar 3, 7:41 AM EST, 1 hour 55 minutes before
SC007-008-031330- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE CHARLESTON SC 630 AM EST SUN MAR 3 1991 ...TORNADO WATCH IN EFFECT FOR THE MIDLANDS AND COASTAL COUNTIES OF SOUTH CAROLINA UNTIL NOON... RADAR AND SURFACE REPORTS INDICATED A LARGE AREA OF RAIN WITH THUNDERSTORMS...SOME WITH VERY HEAVY RAIN...OVER MOST OF SOUTH CAROLINA. THE RAIN EXTENDED INTO THE ADJACENT AREAS OF EASTERN GEORGIA. THUNDERSTORMS WITH VERYj HEAVY RAIN WERE IN A WIDE BAND FROM NEAR MANNING EXTENDING SOUTHWESTWARD TO NEAR SAVANNAH GEORGIA. MOVEMENT WAS TOWARDS THE NORTH AT 40 MILES AN HOUR. HSA
Special weather statement, Mar 3, 7:44 AM EST, 1 hour 52 minutes before
SC007-008-031330- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY...CORRECTED FOR TIME NATIONAL WEATHER SERVICE CHARLESTON SC 730 AM EST SUN MAR 3 1991 ...TORNADO WATCH IN EFFECT FOR THE MIDLANDS AND COASTAL COUNTIES OF SOUTH CAROLINA UNTIL NOON... RADAR AND SURFACE REPORTS INDICATED A LARGE AREA OF RAIN WITH THUNDERSTORMS...SOME WITH VERY HEAVY RAIN...OVER MOST OF SOUTH CAROLINA. THE RAIN EXTENDED INTO THE ADJACENT AREAS OF EASTERN GEORGIA. n THUNDERSTORMS WITH VERY HEAVY RAIN WERE IN A WIDE BAND FROM NEAR MANNING EXTENDING SOUTHWESTWARD TO NEAR SAVANNAH GEORGIA. MOVEMENT WAS TOWARDS THE NORTH AT 40 MILES AN HOUR. HSA
Special weather statement, Mar 3, 8:41 AM EST, 55 minutes before
SC007-008-031430- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE CHARLESTON SC 830 AM EST SUN MAR 3 1991 ...TORNADO WATCH IN EFFECT FOR THE MIDLANDS AND COASTAL COUNTIES OF SOUTH CAROLINA UNTIL NOON... A CLUSTER OF THUNDERSTORMS WITH VERY HEAVY RAINFALL...GUSTY WINDS AND FREQUENT LIGHTNING WERE MOVING ACROSS THE COASTAL COUNTIES OF SOUTH CAROLINA. THE HEAVIEST STORMS WERE OVER THE CENTRAL AND SOUTH COAST FROM JUST WEST OF CHARLESTON TO BEAUFORT. PERSONS ALONG THE COAST SHOULD KEEP ALERT FOR RAPIDLY CHANGING WEATHER CONDITIONS WITHIN THE NEXT 1 TO 2 HOURS. BE PREPARED TO MOVE TO SAFETY IF THREATENING WEATHER APPROACHES. OVER THE REMAINDER OF SOUTH CAROLINA...A LARGE AREA OF RAIN AND SCATTERED THUNDERSTORMS COVERED MOST OF SOUTH CAROLINA. THE PRECIPITATION EXTENDED INTO EASTERN GEORGIA AND THE LOWER THE STORMS WERE MOVING TO THE NORTH AT 45 MILES AN HOUR. STAY TUNED TO LOCAL RADIO...TV OR NOAA WEATHER RADIO FOR ADDITIONAL STATEMENTS OR WARNINGS. OLIVER
Special weather statement, Mar 3, 8:45 AM EST, 51 minutes before
SC007-008-031430- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE CHARLESTON SC 830 AM EST SUN MAR 3 1991 ...TORNADO WATCH IN EFFECT FOR THE MIDLANDS AND COASTAL COUNTIES OF SOUTH CAROLINA UNTIL NOON... A CLUSTER OF THUNDERSTORMS WITH VERY HEAVY RAINFALL...GUSTY WINDS AND FREQUENT LIGHTNING WERE MOVING ACROSS THE COASTAL COUNTIES OF SOUTH CAROLINA. THE HEAVIEST STORMS WERE OVER THE CENTRAL AND SOUTH COAST FROM JUST WEST OF CHARLESTON TO BEAUFORT. PERSONS ALONG THE COAST SHOULD KEEP ALERT FOR RAPIDLY CHANGING WEATHER CONDITIONS WITHIN THE NEXT 1 TO 2 HOURS. BE PREPARED TO MOVE TO SAFETY IF THREATENING WEATHER APPROACHES. OVER THE REMAINDER OF SOUTH CAROLINA...A LARGE AREA OF RAIN AND SCATTERED THUNDERSTORMS COVERED MOST OF SOUTH CAROLINA. THE PRECIPITATION EXTENDED INTO EASTERN GEORGIA AND THE LOWER PART OF NORTH CAROLINA. THE STORMS WERE MOVING TO THE NORTH AT 45 MILES AN HOUR. STAY TUNED TO LOCAL RADIO...TV OR NOAA WEATHER RADIO FOR ADDITIONAL STATEMENTS OR WARNINGS. OLIVER
The office that day
Everything else NWS Charleston, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 3, 4:42 AM EST | Severe Thunderstorm Warning | CHS | Dorchester | 48 min |
| Mar 3, 9:00 AM EST | Severe Thunderstorm Warning | CHS | Berkeley, Dorchester | 30 min |
| Mar 3, 9:09 AM EST | Severe Thunderstorm Warning | CHS | Charleston | 36 min |
| Mar 3, 9:26 AM EST | Tornado Warning | CHS | Berkeley, Williamsburg | 64 min |
| Mar 3, 9:52 AM EST | Severe Thunderstorm Warning | CHS | Georgetown | 38 min |
| Mar 3, 10:14 AM EST | Severe Thunderstorm Warning | CHS | Horry | 61 min |
| Mar 3, 2:11 PM EST | Severe Thunderstorm Warning | CHS | Jasper | 64 min |
| Mar 3, 2:11 PM EST | Severe Thunderstorm Warning | CHS | Beaufort | 64 min |
| Mar 3, 3:16 PM EST | Severe Thunderstorm Warning | CHS | Hampton, Jasper | 59 min |
| Mar 3, 3:54 PM EST | Severe Thunderstorm Warning | CHS | Colleton | 66 min |
| Mar 3, 4:26 PM EST | Severe Thunderstorm Warning | CHS | Dorchester | 64 min |
| Mar 3, 4:39 PM EST | Severe Thunderstorm Warning | CHS | Berkeley, Charleston | 66 min |
| Mar 3, 5:19 PM EST | Severe Thunderstorm Warning | CHS | Williamsburg | 41 min |
Nearby
Tornado Warnings in South Carolina, 1991Every tornado warning in 1991Tornadoes in 1991
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.