Alert archive / Iowa / Flash Flood Warnings in 2016
Flash Flood Warning 8, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this flash flood warning at Jun 14, 2016, 1:48 PM CDT for 7 counties in Iowa. 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 outline as issued.
The facts
- Issued
- Jun 14, 2016, 1:48 PM CDT (18:48 UTC)
- Expired
- Jun 14, 2016, 4:45 PM CDT
- In force
- 3 hr
- Issued by
- NWS Sioux Falls, SD
- Area
- Storm-based polygon
- Flood severity
- None
Counties Cherokee County, IA, Lyon County, IA, O'Brien County, IA, Osceola County, IA, Plymouth County, IA, Sioux County, IA, Woodbury County, IA
The radar
The Sioux Falls radar (KFSD), 113 km from the middle of the area, began a volume at 18:48 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
Omaha, NE (KOAX), launched 12:00Z, 6.8 hours before the alert went out and 172 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
- 852 J/kg
- Mixed-layer CIN
- -60 J/kg
- Mixed-layer LCL
- 1164 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 72 m²/s²
- 0-3 km storm-relative helicity
- 68 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.7
The text
As transmitted.
100
WGUS53 KFSD 141848
FFWFSD
IAC035-119-141-143-149-167-193-142145-
/O.NEW.KFSD.FF.W.0008.160614T1848Z-160614T2145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
148 PM CDT TUE JUN 14 2016
THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A
* FLASH FLOOD WARNING FOR...
WESTERN CHEROKEE COUNTY IN NORTHWESTERN IOWA...
WOODBURY COUNTY IN WEST CENTRAL IOWA...
OSCEOLA COUNTY IN NORTHWESTERN IOWA...
EASTERN LYON COUNTY IN NORTHWESTERN IOWA...
EASTERN SIOUX COUNTY IN NORTHWESTERN IOWA...
O'BRIEN COUNTY IN NORTHWESTERN IOWA...
EASTERN PLYMOUTH COUNTY IN NORTHWESTERN IOWA...
* UNTIL 445 PM CDT
* AT 145 PM CDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
HEAVY RAIN MOVING INTO THE WARNED AREA. FLASH FLOODING IS EXPECTED
TO BEGIN SHORTLY.
THUNDERSTORMS WILL BE TRAINING OVER THESE AREAS THROUGH MID
AFTERNOON RESULTING IN SEVERAL ROUNDS OF RAINFALL. ADDITIONAL
RAINFALL AMOUNTS OF 2 INCHES OR MORE ARE POSSIBLE IN THE WARNED AREA
ALONG WITH RAINFALL RATES OF 1 INCH OR MORE IN 30 MINUTES OR LESS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
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.
PLEASE REPORT FLOODING TO YOUR LOCAL LAW ENFORCEMENT AGENCY WHEN YOU
CAN DO SO SAFELY.
&&
LAT...LON 4349 9594 4349 9540 4256 9572 4256 9574
4249 9574 4221 9583 4221 9627
$$
GILLISPIE1 follow-up statement
003
WGUS73 KFSD 142042
FFSFSD
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
342 PM CDT TUE JUN 14 2016
IAC035-119-141-143-149-167-193-142051-
/O.CAN.KFSD.FF.W.0008.000000T0000Z-160614T2145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CHEROKEE IA-WOODBURY IA-OSCEOLA IA-LYON IA-SIOUX IA-O'BRIEN IA-
PLYMOUTH IA-
342 PM CDT TUE JUN 14 2016
...THE FLASH FLOOD WARNING FOR WESTERN CHEROKEE...WOODBURY...
OSCEOLA...EASTERN LYON...EASTERN SIOUX...O'BRIEN AND EASTERN PLYMOUTH
COUNTIES IS CANCELLED...
THE HEAVY RAIN HAS ENDED. FLOODING IS NO LONGER EXPECTED TO POSE A
THREAT. PLEASE CONTINUE TO HEED ANY REMAINING ROAD CLOSURES.
LAT...LON 4349 9594 4349 9540 4256 9572 4256 9574
4249 9574 4221 9583 4221 9627
$$
GILLISPIEThe office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 14, 9:31 AM CDT | River Flood Warning | FSD | Clay | 13 days |
| Jun 14, 9:31 AM CDT | River Flood Warning | FSD | Buena Vista, Clay | 12 days |
| Jun 14, 10:25 AM CDT | Flash Flood Watch | FSD | Clay, Dickinson, O'Brien, Osceola | 6 hr |
| Jun 14, 12:27 PM CDT | Flash Flood Warning | FSD | Plymouth, Sioux, Woodbury | 3 hr |
| Jun 14, 1:56 PM CDT | Tornado Warning | FSD | Osceola | 34 min |
| Jun 14, 2:11 PM CDT | Flash Flood Warning | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, O'Brien and 2 more | 34 min |
| Jun 14, 2:14 PM CDT | Tornado Warning | FSD | Osceola | 31 min |
| Jun 14, 2:23 PM CDT | Severe Thunderstorm Warning | FSD | Clay, Dickinson | 37 min |
| Jun 14, 2:30 PM CDT | Tornado Warning | FSD | Dickinson | 30 min |
| Jun 14, 2:42 PM CDT | Flash Flood Warning | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, O'Brien and 2 more | 2 hr |
| Jun 14, 2:48 PM CDT | Severe Thunderstorm Warning | FSD | Clay, Dickinson | 27 min |
| Jun 14, 3:10 PM CDT | River Flood Warning | FSD | Clay | 4 days |
| Jun 14, 3:10 PM CDT | River Flood Warning | FSD | Clay, Dickinson | 4 days |
| Jun 14, 4:49 PM CDT | River Flood Warning | FSD | Clay, Dickinson | 43 hr |
Nearby
Flash Flood Warnings in Iowa, 2016Every flash flood warning in 2016
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.