Alert archive / Iowa / Flash Flood Warnings in 2005
Flash Flood Warning 38, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this flash flood warning at Jun 25, 2005, 5:11 AM CDT for Buena Vista County, Cherokee County, Iowa. It was in force for 64 min. 4 reports 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, 5:11 AM CDT (10:11 UTC)
- Expired
- Jun 25, 2005, 6:15 AM CDT
- In force
- 64 min
- Issued by
- NWS Sioux Falls, SD
- Area
- Counties, with a storm outline in the text
Counties Buena Vista County, IA, Cherokee County, IA
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 25, 5:11 AM CDT | FLASH FLOOD | 2 Ne Aurelia, IA | 10TH AVENUE STILL FLOODED |
| Jun 25, 5:11 AM CDT | FLASH FLOOD | 3 S Storm Lake, IA | FIELDS FLOODED |
| Jun 25, 6:09 AM CDT | FLASH FLOOD | 2 Ne Aurelia, IA | 10TH AVENUE STILL UNDER 8 TO 10 INCHES OF WATER |
| 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, 10.2 hours before the alert went out and 176 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 251015 FFWFSD IAC021-035-251115- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE SIOUX FALLS SD 511 AM CDT SAT JUN 25 2005 THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A * FLASH FLOOD WARNING FOR... BUENA VISTA COUNTY IN NORTHWEST IOWA CHEROKEE COUNTY IN NORTHWEST IOWA * UNTIL 615 AM CDT * AT 511 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUES TO SHOW SCATTERED SHOWERS AND THUNDERSTORMS ACROSS BUENTA VISTA AND CHEROKEE COUNTIES. THE STRONGEST STORMS WERE LOCATED IN SOUTHWEST CHEROKEE COUNTY...MOVING NORTHEAST AT 25 MPH. LOCAL HEAVY RAIN IS POSSIBLE...ADDING TO THE ALREADY SATURATED GROUND AND URBAN FLOODING. AT 5 AM...THE AUTOMATED WEATHER STATION AT STORM LAKE HAS MEASURED 4.66 INCHES OF RAIN SINCE THE RAIN BEGAN LATE FRIDAY EVENING. 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 4287 9585 4259 9582 4258 9494 4289 9495 $$ GH
1 follow-up statement
000 WGUS73 KFSD 251046 FFSFSD FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE SIOUX FALLS SD 543 AM CDT SAT JUN 25 2005 IAC021-035-251115- CHEROKEE IA-BUENA VISTA IA- 543 AM CDT SAT JUN 25 2005 ...A FLASH FLOOD WARNING CONTINUES UNTIL 615 AM CDT FOR BUENA VISTA AND CHEROKEE COUNTIES... AT 542 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE SCATTERED SHOWERS AND THUNDERSTORMS...PRODUCING FLASH FLOODING OVER THE WARNED AREA. THE STRONGEST THUNDERSTORM WAS LOCATED OVER SOUTHWEST CHEROKEE COUNTY...MOVING NORTHEAST AT 25 MPH. WHILE MOST OF THE STORMS HAVE WEAKENED...THE SOUTHWEST CHEROKEE COUNTY STORM IS STILL CAPABLE OF PRODUCING LOCAL HEAVY DOWNPOURS AS IT MOVES NORTHEAST ACROSS THE WARNED AREA. EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW LYING AREAS ARE SUBJECT TO FLOODING. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. LAT...LON 4287 9585 4259 9582 4258 9494 4289 9495 $$ GH
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, 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.