Alert archive / South Dakota / Flash Flood Warnings in 2016
Flash Flood Warning 7, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this flash flood warning at Jun 14, 2016, 12:27 PM CDT for Clay County, Lincoln County, Union County, South Dakota; Plymouth County, Sioux County, Woodbury County, Iowa; Dakota County, Dixon County, Nebraska. It was in force for 3 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 14, 2016, 12:27 PM CDT (17:27 UTC)
- Expired
- Jun 14, 2016, 3:30 PM CDT
- In force
- 3 hr
- Issued by
- NWS Sioux Falls, SD
- Area
- Storm-based polygon
- Flood severity
- None
Counties Plymouth County, IA, Sioux County, IA, Woodbury County, IA, Dakota County, NE, Dixon County, NE, Clay County, SD, Lincoln County, SD, Union County, SD
The radar
The Omaha radar (KOAX), 125 km from the middle of the area, began a volume at 17:28 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 14, 3:00 PM CDT | HEAVY RAIN 1.62 | 2 Nne Sergeant Bluff, IA | 3 HOUR RAINFALL TOTAL. |
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 12:00Z, 5.5 hours before the alert went out and 125 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.
930
WGUS53 KFSD 141727
FFWFSD
IAC149-167-193-NEC043-051-SDC027-083-127-142030-
/O.NEW.KFSD.FF.W.0007.160614T1727Z-160614T2030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1227 PM CDT TUE JUN 14 2016
THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A
* FLASH FLOOD WARNING FOR...
WESTERN WOODBURY COUNTY IN WEST CENTRAL IOWA...
SIOUX COUNTY IN NORTHWESTERN IOWA...
PLYMOUTH COUNTY IN NORTHWESTERN IOWA...
DAKOTA COUNTY IN NORTHEASTERN NEBRASKA...
DIXON COUNTY IN NORTHEASTERN NEBRASKA...
SOUTHEASTERN LINCOLN COUNTY IN SOUTHEASTERN SOUTH DAKOTA...
SOUTHEASTERN CLAY COUNTY IN SOUTHEASTERN SOUTH DAKOTA...
UNION COUNTY IN SOUTHEASTERN SOUTH DAKOTA...
* UNTIL 330 PM CDT
* AT 1225 PM CDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
HEAVY RAIN ACROSS THE WARNED AREA. UP TO TWO INCHES OF RAIN HAVE
ALREADY FALLEN. FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY.
ADDITIONAL RAINFALL AMOUNTS OF UP TO 2 INCHES ARE POSSIBLE IN THE
WARNED AREA. RAINFALL RATES OF 1 INCH IN 30 MINUTES OR LESS COULD
LEAD TO FLASH FLOODING IN URBAN AREAS.
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 4224 9632 4226 9633 4228 9636 4228 9673
4226 9673 4226 9702 4256 9702 4325 9662
4325 9600 4221 9626 4221 9634
$$
GILLISPIE2 follow-up statements
189
WGUS73 KFSD 141835
FFSFSD
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
135 PM CDT TUE JUN 14 2016
IAC149-167-193-NEC043-051-SDC027-083-127-142030-
/O.CON.KFSD.FF.W.0007.000000T0000Z-160614T2030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
WOODBURY IA-SIOUX IA-PLYMOUTH IA-DAKOTA NE-DIXON NE-LINCOLN SD-
CLAY SD-UNION SD-
135 PM CDT TUE JUN 14 2016
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 330 PM CDT FOR
WESTERN WOODBURY...SIOUX...PLYMOUTH...DAKOTA...DIXON...SOUTHEASTERN
LINCOLN...SOUTHEASTERN CLAY AND UNION COUNTIES...
AT 133 PM CDT...DOPPLER RADAR INDICATED A SECOND LINE OF
THUNDERSTORMS PRODUCING HEAVY RAIN MOVING INTO THE WARNED AREA. UP
TO TWO INCHES OF RAIN HAVE ALREADY FALLEN. FLASH FLOODING IS
EXPECTED TO BEGIN SHORTLY.
ADDITIONAL RAINFALL AMOUNTS OF UP TO 2 INCHES ARE POSSIBLE IN THE
WARNED AREA. RAINFALL RATES EXCEEDING 1 INCH IN 30 MINUTES IS ALSO
POSSIBLE LEADING TO FLASH FLOODING...PRIMARILY IN URBAN AREAS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES AS
WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS.
PLEASE REPORT FLOODING TO YOUR LOCAL LAW ENFORCEMENT AGENCY WHEN YOU
CAN DO SO SAFELY.
&&
LAT...LON 4224 9632 4226 9633 4228 9636 4228 9673
4226 9673 4226 9702 4256 9702 4325 9662
4325 9600 4221 9626 4221 9634
$$
GILLISPIE726
WGUS73 KFSD 141949
FFSFSD
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
249 PM CDT TUE JUN 14 2016
IAC149-167-193-NEC043-051-SDC027-083-127-141958-
/O.CAN.KFSD.FF.W.0007.000000T0000Z-160614T2030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
WOODBURY IA-SIOUX IA-PLYMOUTH IA-DAKOTA NE-DIXON NE-LINCOLN SD-
CLAY SD-UNION SD-
249 PM CDT TUE JUN 14 2016
...THE FLASH FLOOD WARNING FOR WESTERN WOODBURY...SIOUX...PLYMOUTH...
DAKOTA...DIXON...SOUTHEASTERN LINCOLN...SOUTHEASTERN CLAY AND UNION
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 4224 9632 4226 9633 4228 9636 4228 9673
4226 9673 4226 9702 4256 9702 4325 9662
4325 9600 4221 9626 4221 9634
$$
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, 1:48 PM CDT | Flash Flood Warning | FSD | Cherokee, Lyon, O'Brien, Osceola, Plymouth, Sioux and 1 more | 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 South Dakota, 2016Flash Flood Warnings in Iowa, 2016Flash Flood Warnings in Nebraska, 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.