Alert archive / South Carolina / Flash Flood Warnings in 1995

Flash Flood Warning 17, NWS Charleston, SC

August 26, 1995Jasper County, South Carolina

NWS Charleston, SC issued this flash flood warning at Aug 26, 1995, 9:08 AM EDT for Jasper County, South Carolina. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued: Aug 26, 1995, 9:08 AM EDT (13:08 UTC)
Expired: Aug 26, 1995, 12:15 PM EDT
In force: 3 hr
Issued by: NWS Charleston, SC
Area: Whole counties

County Jasper County, SC

The nearest sounding before it

Jacksonville, FL (KJAX), launched 12:00Z, 1.1 hours before the alert went out and 223 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 1403 J/kg
Mixed-layer CIN: 0 J/kg
Mixed-layer LCL: 499 m above ground
0-6 km bulk shear: 15 kt
0-1 km storm-relative helicity: 58 m²/s²
0-3 km storm-relative helicity: 57 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KCHS 261311
FFWCHS
SCC005-029-049-053-261615-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE CHARLESTON SC
908 AM EDT SAT AUG 26 1995
 
THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS EXTENDED THE
FLASH FLOOD WARNING...EFFECTIVE UNTIL 1215 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN  SOUTH CAROLINA
 
   ...ALLENDALE COUNTY...COLLETON COUNTY...HAMPTON COUNTY
   ...JASPER COUNTY
 
AS OF 900 AM...MUCH OF THE HEAVY RAIN HAD MOVED OUT OF THE WARNED
AREA...WITH AN ESTIMATED TOTAL OF 4 TO 8 INCHES OF RAIN IN THE PAST 6
HOURS. SMALL STREAMS WILL LIKELY RISE FURTHER AND CONTINUED FLOODING OF
LOW-LYING POOR DRAINAGE AREAS...ESPECIALLY STREETS AND HIGHWAYS IS
EXPECTED. NUMEROUS ROADS HAVE BEEN REPORTED AS FLOODED AND SOME BACK
ROADS OR DIRT ROADS IN THE WARNED AREA MAY BE WASHED OUT.
JASPER COUNTY HIGHWAY REPORTED PART OF ROUTE 170 ALT. CLOSED BETWEEN
HILTON HEAD AND SAVANNAH.
 
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY.  THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO
CROSS SAFELY...OR THE ROAD MAY BE WASHED OUT.  VEHICLES CAUGHT IN
RISING WATER SHOULD BE ABANDONED QUICKLY.  TO ESCAPE FLOODING...
MOVE TO HIGHER GROUND.
 b
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What forecasters said that day

The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Local storm report, Aug 26, 6:43 AM EDT, 2 hours 25 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHARLESTON SC
643 AM EDT SAT AUG 26 1995

TIME (EDT) .....CITY LOCATION....... ST   ...EVENT/REMARKS...
           .....COUNTY LOCATION.....
612 AM     SYLVANIA                  GA   FLOODING
08/26/95   SCREVEN                        COUNTY SHERIFF REPORTED
                                          FLOODED ROADS/TREES DOWN
                                          WITH WATER OVER HEADLIGHTS
                                          AND ONE ROAD WASHED OUT

Local storm report, Aug 26, 6:50 AM EDT, 2 hours 18 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHARLESTON SC
643 AM EDT SAT AUG 26 1995

TIME (EDT) .....CITY LOCATION....... ST   ...EVENT/REMARKS...
           .....COUNTY LOCATION.....
612 AM     SYLVANIA                  GA   FLOODING
08/26/95   SCREVEN                        COUNTY SHERIFF REPORTED
                                          FLOODED ROADS/TREES DOWN
                                          WITH WATER OVER HEADLIGHTS
 P                                         AND ONE ROAD WASHED OUT

Local storm report, Aug 26, 7:44 AM EDT, 1 hour 24 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHARLESTON SC
744 AM EDT SAT AUG 26 1995

TIME (EDT) .....CITY LOCATION....... ST   ...EVENT/REMARKS...
           .....COUNTY LOCATION.....
730 AM     SAVANNAH                  GA   FLOODING
08/26/95   CHATHAM                        COUNTY EMA REPORTS SEVERAL
                                          HOMES EVACUATED TO
                                          SHELTERS AND CONSIDERABLE
                                          STREET FLOODING

The office that day

Everything else NWS Charleston, SC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 26, 1:04 AM EDT	Flash Flood Warning	CHS	Hampton, Jasper	5 hr
Aug 26, 1:04 AM EDT	Flash Flood Warning	CHS	Allendale, Beaufort, Colleton	5 hr
Aug 26, 5:55 AM EDT	Flash Flood Warning	CHS	Allendale, Colleton, Hampton	3 hr
Aug 26, 5:55 AM EDT	Flash Flood Warning	CHS	Jasper	3 hr
Aug 26, 9:08 AM EDT	Flash Flood Warning	CHS	Allendale, Colleton, Hampton	3 hr
Aug 26, 1:32 PM EDT	Flash Flood Warning	CHS	Allendale, Hampton	6 hr
Aug 26, 4:11 PM EDT	Flash Flood Warning	CHS	Berkeley	5 hr

Nearby

Flash Flood Warnings in South Carolina, 1995 Every flash flood warning in 1995

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.