Alert archive / South Dakota / Flash Flood Warnings in 2003
Flash Flood Warning 2, NWS Aberdeen, SD
NWS Aberdeen, SD issued this flash flood warning at May 3, 2003, 7:45 PM CDT for Edmunds County, Potter County, Walworth County, South Dakota. It was in force for 3 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
- May 3, 2003, 7:45 PM CDT (00:45 UTC)
- Expired
- May 3, 2003, 10:45 PM CDT
- In force
- 3 hr
- Issued by
- NWS Aberdeen, SD
- Area
- Whole counties
Counties Edmunds County, SD, Potter County, SD, Walworth County, SD
The radar
The Aberdeen radar (KABR), 105 km from the middle of the area, began a volume at 00:49 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
Aberdeen, SD (KABR), launched 00:00Z, 0.8 hours before the alert went out and 114 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
- 887 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 186 m²/s²
- 0-3 km storm-relative helicity
- 541 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS53 KABR 040046 FFWABR SDC045-107-129-040345- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE ABERDEEN SD 745 PM CDT SAT MAY 3 2003 THE NATIONAL WEATHER SERVICE IN ABERDEEN HAS ISSUED A * FLASH FLOOD WARNING FOR... WALWORTH COUNTY IN SOUTH DAKOTA EDMUNDS COUNTY IN SOUTH DAKOTA POTTER COUNTY IN SOUTH DAKOTA * UNTIL 1045 PM CDT * AT 745 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY RAINFALL WAS OCCURRING OVER THE WARNED AREA. SEVERAL REPORTS INDICATE THAT DITCHES ARE FULL AND ROADS ARE COVERED WITH WATER. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE WATER COVERS THE ROAD. NEARLY HALF OF ALL FLOOD FATALITIES ARE VEHICLE RELATED. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODS OR FLASH FLOODS. IF FLASH FLOODING OCCURS...ACT QUICKLY...MOVE TO HIGHER GROUND. $$ DORN
2 follow-up statements
142 RWUS32 KABR 040205 FFSABR SDC045-107-129-040345- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE ABERDEEN SD 905 PM CDT SAT MAY 3 2003 ...FLASH FLOOD WARNING CONTINUES UNTIL 1045 PM CDT FOR WALWORTH...POTTER...AND EDMUNDS COUNTIES... REPORTS FROM POTTER COUNTY INDICATE THAT MUCH OF THE SECONDARY ROADS ARE UNDER WATER...WHILE PRIMARY ROADS ARE ACCESSIBLE. MANY TOWNS ARE REPORTING STREETS UNDER WATER. MODERATE RAIN CONTINUES OVER THE WARNED AREA...PARTICULARLY BETWEEN HOVEN AND BOWDLE. IT IS DIFFICULT TO DETERMINE HOW DEEP WATER IS OVER FLOODED ROADS AT NIGHT. DO NOT DRIVE OVER ROADS WHERE WATER COMPLETELY COVERS THE ROAD...AND FOLLOW DETOURS WHERE BARRIERS HAVE BEEN SET. STAY TUNED TO NOAA WEATHER RADIO OR LOCAL MEDIA OUTLETS FOR LATER STATEMENTS AND POSSIBLE WARNINGS. $$ DORN
133 RWUS32 KABR 040343 FFSABR SDC045-107-129-040400- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE ABERDEEN SD 1041 PM CDT SAT MAY 3 2003 ...THE FLASH FLOOD WARNING FOR WALWORTH...EDMUNDS AND POTTER COUNTIES WILL BE ALLOWED TO EXPIRE AT 1045 PM CDT... ALTHOUGH MODERATE RAINFALL STILL CONTINUES ACROSS THE AREA...THE THREAT OF VERY HEAVY RAIN HAS PASSED. THOSE TRAVELING ARE REMINDED THAT THERE STILL MAY BE SOME ROADS THAT ARE IMPASSABLE DUE TO THE HEAVY RAIN THAT FELL EARLIER. DO NOT DRIVE ACROSS FLOODED ROADWAYS OR AROUND BARRICADES THAT ARE IN PLACE DUE TO ROAD CLOSURE. $$ HINTZ
The office that day
Everything else NWS Aberdeen, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 3, 7:27 PM CDT | Severe Thunderstorm Warning | ABR | Dewey | 48 min |
| May 3, 8:35 PM CDT | Flash Flood Warning | ABR | Dewey | 3 hr |
| May 4, 4:40 PM CDT | Severe Thunderstorm Warning | ABR | Hughes, Stanley | 50 min |
| May 4, 4:50 PM CDT | Severe Thunderstorm Warning | ABR | Jones, Lyman | 40 min |
| May 4, 5:04 PM CDT | Tornado Warning | ABR | Jones | 26 min |
| May 4, 5:20 PM CDT | Severe Thunderstorm Warning | ABR | Stanley | 40 min |
Nearby
Flash Flood Warnings in South Dakota, 2003Every flash flood warning in 2003
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.