Alert archive / South Carolina / Flash Flood Warnings in 1998
Flash Flood Warning 1, NWS Columbia, SC
NWS Columbia, SC issued this flash flood warning at Jan 23, 1998, 7:07 AM EST for Edgefield County, McCormick County, South Carolina. It was in force for 4 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jan 23, 1998, 7:07 AM EST (12:07 UTC)
- Expired
- Jan 23, 1998, 11:15 AM EST
- In force
- 4 hr
- Issued by
- NWS Columbia, SC
- Area
- Whole counties
Counties Edgefield County, SC, McCormick County, SC
The radar
The Columbia radar (KCAE), 95 km from the middle of the area, began a volume at 12:10 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.
The nearest sounding before it
Charleston AFB, SC (KCHS), launched 12:00Z, 0.1 hours before the alert went out and 224 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
- 50 J/kg
- Mixed-layer CIN
- -19 J/kg
- Mixed-layer LCL
- 502 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 23 m²/s²
- 0-3 km storm-relative helicity
- 126 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KCAE 231210 RRA FFWCAE SCC037-065-231615- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE COLUMBIA SC 707 AM EST FRI JAN 23 1998 THE NATIONAL WEATHER SERVICE IN COLUMBIA HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 1115 AM EST FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTH CAROLINA ...EDGEFIELD COUNTY...MCCORMICK COUNTY A FLASH FLOOD WARNING HAS BEEN ISSUED FOR STEVENS CREEK AT MODOC. THE HEAVY RAIN OVERNIGHT AS CAUSED THE CREEK TO RISE TO 17.9 FEET AS OF 7 AM THIS MORNING. FLOOD STAGE AT MODOC ALONG STEVENS CREEK IS 18.0 FEET. SINCE MOST OF THE STEADY RAIN HAS MOVED EAST OF THE AREA...THE CREEK IS EXPECTED TO CREST BETWEEN 18.0 AND 18.5 FEET THIS MORNING. WHEN THE CREERISE TO 18.0 FEET THE WOODED FLOOD PLAIN NEAR THE U.S. HIGHWAY 23 BRIDGE BECOME FLOODED. PERSONS WITH INTEREST ALONG STEVENS CREEK SHOULD STAY TUNED TO NOAA WEATHER RADIO...LOCAL RADIO...TELEVISON AND CABLE TELEVISI FOR POSSIBLE LATER STATEMENTS. A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS IMMINENT. MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS BRIDGES...DIPS...OR LOW SPOTS IF WATER COVERS THE ROADWAY. NEVER TRY TO CROSS A FLOWING S>TREAM...EVEN A SMALL ONE...ON FOOT. TO ESCAPE RISING WATER MOVE UP TO HIGHER GROUND. VAUGHAN
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
Special weather statement, Jan 23, 5:57 AM EST, 1 hour 10 minutes before
SCZ016-022-025-026-027-028-029-030-031-035-036-037-038-041- GAZ063-064-065-077-231843- THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE COLUMBIA SC 557 AM EST FRI JAN 23 1998 THE OUTLOOK PERTAINS TO THE FOLLOWING COUNTIES IN SOUTH CAROLINA: AIKEN BAMBERG BARNWELL CALHOUN CHESTERFIELD CLARENDON EDGEFIELD KERSHAW LEE LEXINGTON ORANGEBURG RICHLAND SALUDA SUMTER THE OUTLOOK PERTAINS TO THE FOLLOWING COUNTIES IN GEORGIA: BURKE COLUMBIA MCDUFFIE RICHMOND A COLD FRONT TRAILING FROM AN AREA OF LOW PRESSURE OVER THE OHIO RIVER VALLEY WILL MOVE ACROSS THE AREA TODAY. A COLD FRONT EXTENDED SOUTH AND SOUTHWEST FROM THE LOW OVER EASTERN KENTUCKY...NORTHWEST GEORGIA TO THE FLORDIA PANHANDLE. A WARM FRONT EXTENDING NORTHEAST FROM JUST NORTH OF AUGUST TO JUST WEST OF COLUMBIA TO CHESTERFIELD COUNTY. THE FRONT IS THE BOUNDARY BETWEEN A COOL AIRMASS AND A MUCH WARMER AIRMASS. AN AREA OF LIGHT TO MODERATE RAIN WILL MOVE ACROSS THE AREA...MAINLY EAST OF THE COLUMBIA AND AUGUSTA AREAS...THROUGH THE MORNING HOURS. ALTHROUGH THE AIRMASSS IS ONLY MARGINALLY UNSTABLE AN ISOLATED EMBEDDED THUNDERSTORM IS POSSIBLE ACROSS THE EASTERN MIDLANDS AND EASTERN CENTRAL SAVANNAH RIVER AREA. THE CURRENT DATA DOES NOT FAVOR SEVERE THUNDERSTORM DEVELOPMENT. THEREFORE...EMERGENCY MANAGEMENT AND SPOTTER ACTIVATION SHOULD NOT BE REQUIRED. VAUGHAN
Special weather statement, Jan 23, 5:57 AM EST, 1 hour 10 minutes before
SCZ016-022-025-026-027-028-029-030-031-035-036-037-038-041- GAZ063-064-065-077-231843- THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE COLUMBIA SC 557 AM EST FRI JAN 23 1998 THE OUTLOOK PERTAINS TO THE FOLLOWING COUNTIES IN SOUTH CAROLINA: AIKEN BAMBERG BARNWELL CALHOUN CHESTERFIELD CLARENDON EDGEFIELD KERSHAW LEE LEXINGTON ORANGEBURG RICHLAND SALUDA SUMTER THE OUTLOOK PERTAINS TO THE FOLLOWING COUNTIES IN GEORGIA: BURKE COLUMBIA MCDUFFIE RICHMOND A COLD FRONT TRAILING FROM AN AREA OF LOW PRESSURE OVER THE OHIO RIVER VALLEY WILL MOVE ACROSS THE AREA TODAY. A COLD FRONT EXTENDED SOUTH AND SOUTHWEST FROM THE LOW OVER EASTERN KENTUCKY...NORTHWEST GEORGIA TO THE FLORDIA PANHANDLE. A WARM FRONT EXTENDING NORTHEAST FROM JUST NORTH OF AUGUST TO JUST WEST OF COLUMBIA TO CHESTERFIELD COUNTY. THE FRONT IS THE BOUNDARY BETWEEN A COOL AIRMASS AND A MUCH WARMER AIRMASS. AN AREA OF LIGHT TO MODERATE RAIN WILL MOVE ACROSS THE AREA...MAINLY EAST OF THE COLUMBIA AND AUGUSTA AREAS...THROUGH THE MORNING HOURS. ALTHROUGH THE AIRMASSS IS ONLY MARGINALLY UNSTABLE AN ISOLATED EMBEDDED THUNDERSTORM IS POSSIBLE ACROSS THE EASTERN MIDLANDS AND EASTERN CENTRAL SAVANNAH RIVER AREA. THE CURRENT DATA DOES NOT FAVOR SEVERE THUNDERSTORM DEVELOPMENT. THEREFORE...EMERGENCY MANAGEMENT AND SPOTTER ACTIVATION SHOULD NOT BE REQUIRED. VAUGHAN
Nearby
Flash Flood Warnings in South Carolina, 1998Every flash flood 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.