Alert archive / Iowa / Flash Flood Warnings in 2005
Flash Flood Warning 34, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this flash flood warning at Jun 24, 2005, 11:16 PM CDT for Buena Vista County, Iowa. It was in force for 4 hr. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jun 24, 2005, 11:16 PM CDT (04:16 UTC)
- Expired
- Jun 25, 2005, 3:15 AM CDT
- In force
- 4 hr
- Issued by
- NWS Sioux Falls, SD
- Area
- Counties, with a storm outline in the text
County Buena Vista County, IA
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 25, 12:10 AM CDT | FLASH FLOOD | Storm Lake, IA | STREET FLOODING REPORTED. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Omaha, NE (KOAX), launched 00:00Z, 4.3 hours before the alert went out and 188 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
- 2829 J/kg
- Mixed-layer CIN
- -49 J/kg
- Mixed-layer LCL
- 1743 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 155 m²/s²
- 0-3 km storm-relative helicity
- 310 m²/s²
- Significant tornado parameter
- 0.7
- Supercell composite
- 19.2
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS53 KFSD 250418 FFWFSD IAC021-250815- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE SIOUX FALLS SD 1116 PM CDT FRI JUN 24 2005 THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A * FLASH FLOOD WARNING FOR... BUENA VISTA COUNTY IN NORTHWEST IOWA * UNTIL 315 AM CDT * AT 1116 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED AN AREA OF THUNDERSTORMS TRAINING ACROSS BUENA VISTA COUNTY. PREVIOUS THUNDERSTORMS PRODUCED AN ESTIMATED ONE TO THREE INCHES OF RAINFALL...WITH AN ADDITIONAL ONE TO TWO INCHES POSSIBLE. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODING. 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. 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. LAT...LON 4291 9539 4258 9539 4257 9494 4290 9492 $$ 08
1 follow-up statement
000 WGUS73 KFSD 250514 FFSFSD FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE SIOUX FALLS SD 1213 AM CDT SAT JUN 25 2005 IAC021-250815- BUENA VISTA IA- 1213 AM CDT SAT JUN 25 2005 ...A FLASH FLOOD WARNING CONTINUES UNTIL 315 AM CDT FOR BUENA VISTA COUNTY... AT 1210 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A THUNDERSTORM PRODUCING FLASH FLOODING OVER THE WARNED AREA. AT 1210 AM CDT...STREET FLOODING WAS OCCURRING IN STORM LAKE. EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. LAT...LON 4291 9539 4258 9539 4257 9494 4290 9492 $$ 08
The office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 24, 9:30 PM CDT | Severe Thunderstorm Warning | FSD | Woodbury | 46 min |
| Jun 24, 9:40 PM CDT | Severe Thunderstorm Warning | FSD | Buena Vista | 37 min |
| Jun 24, 10:26 PM CDT | Severe Thunderstorm Warning | FSD | Woodbury | 35 min |
| Jun 24, 11:44 PM CDT | Flash Flood Warning | FSD | Cherokee | 4 hr |
| Jun 25, 2:23 AM CDT | Flash Flood Warning | FSD | Plymouth | 2 hr |
| Jun 25, 3:10 AM CDT | Flash Flood Warning | FSD | Buena Vista, Cherokee | 2 hr |
| Jun 25, 5:11 AM CDT | Flash Flood Warning | FSD | Buena Vista, Cherokee | 64 min |
| Jun 25, 6:09 AM CDT | Flash Flood Warning | FSD | Buena Vista | 2 hr |
Nearby
Flash Flood Warnings in Iowa, 2005Every flash flood warning in 2005
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive.