Alert archive / Iowa / Flash Flood Warnings in 2005
Flash Flood Warning 39, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this flash flood warning at Jun 25, 2005, 6:09 AM CDT for Buena Vista County, Iowa. It was in force for 2 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 25, 2005, 6:09 AM CDT (11:09 UTC)
- Expired
- Jun 25, 2005, 8:15 AM CDT
- In force
- 2 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, 6:09 AM CDT | FLASH FLOOD | 4 Nw Alta, IA | 10TH AVENUE FLOODED |
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, 11.2 hours before the alert went out and 179 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 251113 FFWFSD IAC021-251315- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE SIOUX FALLS SD 609 AM CDT SAT JUN 25 2005 THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A * FLASH FLOOD WARNING FOR... SOUTHERN BUENA VISTA COUNTY IN NORTHWEST IOWA * UNTIL 815 AM CDT * AT 609 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THUNDERSTORMS CONTINUING TO MOVE NORTHEAST ACROSS SOUTHERN BUENA VISTA COUNTY. RAINFALL AMOUNTS AROUND 5 INCHES HAVE OCCURRED OVERNIGHT AND WITH ADDITIONAL THUNDERSTORMS MOVING NORTHEAST INTO THE SOUTHERN HALF OF THE COUNTY...ADDITIONAL FLOODING IS LIKELY. EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW LYING AREAS ARE SUBJECT TO FLOODING. LAT...LON 4275 9538 4258 9539 4256 9493 4276 9494 $$ CPJ
2 follow-up statements
000 WGUS73 KFSD 251156 FFSFSD FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE SIOUX FALLS SD 655 AM CDT SAT JUN 25 2005 IAC021-251315- BUENA VISTA IA- 655 AM CDT SAT JUN 25 2005 ...A FLASH FLOOD WARNING CONTINUES UNTIL 815 AM CDT FOR SOUTHERN BUENA VISTA COUNTY... AT 655 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR SHOWED THUNDERSTORMS...WITH HEAVY RAIN...MOVING NORTHEAST OUT OF IDA COUNTY INTO SOUTHERN BUENA VISTA COUNTY. ADDITIONAL RAINFALL AMOUNTS AROUND ONE INCH CAN BE EXPECTED ACROSS FAR SOUTHERN BUENA VISTA COUNTY THROUGH 815 AM CDT. EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW LYING AREAS ARE SUBJECT TO FLOODING. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. LAT...LON 4275 9538 4258 9539 4256 9493 4276 9494 $$ CPJ
000 WGUS73 KFSD 251316 FFSFSD FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE SIOUX FALLS SD 814 AM CDT SAT JUN 25 2005 IAC021-251324- BUENA VISTA IA- 814 AM CDT SAT JUN 25 2005 ...THE FLASH FLOOD WARNING FOR BUENA VISTA COUNTY HAS EXPIRED... THUNDERSTORMS PRODUCING HEAVY RAIN HAVE MOVED EAST OF THE AREA. HOWEVER...LIGHT RAIN IS EXPECTED TO CONTINUE THROUGH 10 AM BUT THIS IS NOT EXPECTED TO CAUSE ADDITIONAL FLOODING ACROSS THE AREA. THEREFORE THE FLASH FLOODING WARNING HAS BEEN ALLOWED TO EXPIRE. LAT...LON 4275 9538 4258 9539 4256 9493 4276 9494 $$ SCHUMACHER
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, 11:16 PM CDT | Flash Flood Warning | FSD | Buena Vista | 4 hr |
| 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 |
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.