Alert archive / South Dakota / Flash Flood Warnings in 2003
Flash Flood Warning 6, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this flash flood warning at Jun 25, 2003, 12:15 AM CDT for Clay County, Lincoln County, Union County, South Dakota. 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 outline as issued.
The facts
- Issued
- Jun 25, 2003, 12:15 AM CDT (05:15 UTC)
- Expired
- Jun 25, 2003, 4:15 AM CDT
- In force
- 4 hr
- Issued by
- NWS Sioux Falls, SD
- Area
- Counties, with a storm outline in the text
Counties Clay County, SD, Lincoln County, SD, Union County, SD
The nearest sounding before it
Omaha, NE (KOAX), launched 00:00Z, 5.3 hours before the alert went out and 198 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
- 3681 J/kg
- Mixed-layer CIN
- -12 J/kg
- Mixed-layer LCL
- 1413 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 37 m²/s²
- 0-3 km storm-relative helicity
- 167 m²/s²
- Significant tornado parameter
- 1.1
- Supercell composite
- 10.3
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS53 KFSD 250517 FFWFSD SDC027-083-127-250915- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE SIOUX FALLS SD 1215 AM CDT WED JUN 25 2003 THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A * FLASH FLOOD WARNING FOR... SOUTHERN LINCOLN COUNTY IN SOUTHEAST SOUTH DAKOTA CLAY COUNTY IN SOUTHEAST SOUTH DAKOTA UNION COUNTY IN SOUTHEAST SOUTH DAKOTA * UNTIL 415 AM CDT * AT 1215 AM CDT...WEATHER SPOTTERS REPORTED AS MUCH AS FIVE INCHES OF RAIN HAD FALLEN OVER SOUTHERN CLAY COUNTY. RADAR ESTIMATES ALSO AGREE WITH THIS OVER THE WARNED COUNTIES. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING. LAT...LON 4331 9655 4266 9663 4284 9716 4330 9679 $$ 08
1 follow-up statement
000 WGUS73 KFSD 250717 FFSFSD SDC027-083-127-250915- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE SIOUX FALLS SD 217 AM CDT WED JUN 25 2003 ...FLASH FLOOD WARNING CONTINUES UNTIL 415 AM FOR... ...SOUTHERN LINCOLN COUNTY IN SOUTHEAST SOUTH DAKOTA... ...CLAY COUNTY IN SOUTHEAST SOUTH DAKOTA... ...UNION COUNTY IN SOUTHEAST SOUTH DAKOTA... AT 216 AM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED HEAVY RAINS CONTINUE OVER SOUTHERN LINCOLN...UNION AND EASTERN CLAY COUNTIES. RADAR ESTIMATES BETWEEN 2 AND 3 INCHES OF RAIN HAS FALLEN OVER THIS AREA DURING THE LAST 3 HOURS. LOCAL LAW ENFORCEMENT IN LINCOLN COUNTY REPORTS SOME COUNTIES ROADS AND HIGHWAY 11 ARE COVERED WITH WATER IN SOUTHERN LINCOLN COUNTY. RUNOFF THE HEAVY RAINS EALIER AND CURRENT RAINFALL WILL CONTINUE UNTIL 415 AM. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. MOVE TO HIGHER GROUND. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING. $$ BOUSTEAD
The office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 24, 7:14 PM CDT | Tornado Warning | FSD | Clay, Lincoln | 46 min |
| Jun 24, 7:18 PM CDT | Tornado Warning | FSD | Kingsbury | 27 min |
| Jun 24, 7:35 PM CDT | Tornado Warning | FSD | Charles Mix, Douglas | 40 min |
| Jun 24, 7:40 PM CDT | Tornado Warning | FSD | Kingsbury | 50 min |
| Jun 24, 7:43 PM CDT | Tornado Warning | FSD | Turner | 32 min |
| Jun 24, 7:45 PM CDT | Tornado Warning | FSD | Gregory | 30 min |
| Jun 24, 7:51 PM CDT | Tornado Warning | FSD | Lincoln | 54 min |
| Jun 24, 8:03 PM CDT | Severe Thunderstorm Warning | FSD | Aurora | 42 min |
| Jun 24, 8:05 PM CDT | Severe Thunderstorm Warning | FSD | Gregory | 40 min |
| Jun 24, 8:10 PM CDT | Tornado Warning | FSD | Jerauld | 35 min |
| Jun 24, 8:15 PM CDT | Tornado Warning | FSD | Turner | 45 min |
| Jun 24, 8:16 PM CDT | Tornado Warning | FSD | Charles Mix, Douglas | 44 min |
| Jun 24, 8:20 PM CDT | Severe Thunderstorm Warning | FSD | Beadle | 40 min |
| Jun 24, 8:20 PM CDT | Severe Thunderstorm Warning | FSD | Davison | 55 min |
| Jun 24, 8:23 PM CDT | Severe Thunderstorm Warning | FSD | Minnehaha | 37 min |
| Jun 24, 8:28 PM CDT | Flash Flood Warning | FSD | Charles Mix, Douglas, Gregory | 4 hr |
| Jun 24, 8:29 PM CDT | Tornado Warning | FSD | Kingsbury | 31 min |
| Jun 24, 8:31 PM CDT | Severe Thunderstorm Warning | FSD | Sanborn | 44 min |
| Jun 24, 8:35 PM CDT | Tornado Warning | FSD | Clay | 25 min |
| Jun 24, 8:37 PM CDT | Severe Thunderstorm Warning | FSD | McCook | 38 min |
| Jun 24, 8:44 PM CDT | Tornado Warning | FSD | Lincoln | 31 min |
| Jun 24, 8:44 PM CDT | Tornado Warning | FSD | Beadle | 46 min |
| Jun 24, 8:45 PM CDT | Severe Thunderstorm Warning | FSD | Aurora | 45 min |
| Jun 24, 8:49 PM CDT | Severe Thunderstorm Warning | FSD | Kingsbury | 41 min |
| Jun 24, 8:55 PM CDT | Severe Thunderstorm Warning | FSD | Minnehaha | 50 min |
| Jun 24, 8:56 PM CDT | Tornado Warning | FSD | Douglas | 49 min |
| Jun 24, 8:58 PM CDT | Tornado Warning | FSD | Lincoln, Turner | 47 min |
| Jun 24, 9:05 PM CDT | Severe Thunderstorm Warning | FSD | Brule, Jerauld | 25 min |
| Jun 24, 9:14 PM CDT | Severe Thunderstorm Warning | FSD | Hanson, Hutchinson | 46 min |
| Jun 24, 9:15 PM CDT | Severe Thunderstorm Warning | FSD | Davison | 45 min |
| Jun 24, 9:17 PM CDT | Severe Thunderstorm Warning | FSD | McCook | 43 min |
| Jun 24, 9:19 PM CDT | Severe Thunderstorm Warning | FSD | Bon Homme | 41 min |
| Jun 24, 9:30 PM CDT | Severe Thunderstorm Warning | FSD | Beadle, Kingsbury | 30 min |
| Jun 24, 9:32 PM CDT | Tornado Warning | FSD | McCook, Minnehaha | 43 min |
| Jun 24, 9:41 PM CDT | Severe Thunderstorm Warning | FSD | Charles Mix | 34 min |
| Jun 24, 9:43 PM CDT | Tornado Warning | FSD | Beadle, Kingsbury | 32 min |
| Jun 24, 9:48 PM CDT | Severe Thunderstorm Warning | FSD | Yankton | 42 min |
| Jun 24, 9:51 PM CDT | Severe Thunderstorm Warning | FSD | Turner | 39 min |
| Jun 24, 9:59 PM CDT | Severe Thunderstorm Warning | FSD | Bon Homme, Hutchinson | 31 min |
| Jun 24, 10:01 PM CDT | Severe Thunderstorm Warning | FSD | McCook | 29 min |
| Jun 24, 10:13 PM CDT | Severe Thunderstorm Warning | FSD | Clay | 47 min |
| Jun 24, 10:14 PM CDT | Tornado Warning | FSD | Minnehaha | 46 min |
| Jun 24, 10:28 PM CDT | Severe Thunderstorm Warning | FSD | Turner | 32 min |
| Jun 24, 10:31 PM CDT | Tornado Warning | FSD | Lake, Moody | 44 min |
| Jun 24, 10:34 PM CDT | Tornado Warning | FSD | Turner | 26 min |
| Jun 24, 10:38 PM CDT | Tornado Warning | FSD | Lincoln | 52 min |
| Jun 24, 10:58 PM CDT | Severe Thunderstorm Warning | FSD | Minnehaha | 32 min |
| Jun 24, 11:08 PM CDT | Severe Thunderstorm Warning | FSD | Brookings | 37 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.