Alert archive / Minnesota / Flash Flood Warnings in 2014
Flash Flood Warning 32, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this flash flood warning at Jun 18, 2014, 10:33 PM CDT for Lyon County, Minnesota. It was in force for 10 hr. 2 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 18, 2014, 10:33 PM CDT (03:33 UTC)
- Expired
- Jun 19, 2014, 8:30 AM CDT
- In force
- 10 hr
- Issued by
- NWS Sioux Falls, SD
- Area
- Storm-based polygon
- Flood severity
- None
County Lyon County, MN
The radar
The Sioux Falls radar (KFSD), 136 km from the middle of the area, began a volume at 03:36 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 18, 11:40 PM CDT | FLASH FLOOD | 6 Ne Marshall, MN | WATER OVER HIGHWAYS 8 AND 9 TO THE NORTHEAST OF MARSHALL TOWARDS COTTONWOOD. ADDITIONAL FLASH FLOODING WAS POSSIBLE BUT PATROL WAS NOT ABLE TO TRAVEL ANY FURTHER. |
| Jun 19, 7:45 AM CDT | FLASH FLOOD | Cottonwood, MN | ONCOING WIDESPREAD STREET FLOODING IN COTTONWOOD WITH SANDBAGGING EFFORTS CONTINUING. NEARBY COUNTY ROADS ALSO FLOODED. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Minneapolis, MN (KMPX), launched 00:00Z, 3.6 hours before the alert went out and 171 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
- 47 J/kg
- Mixed-layer CIN
- -493 J/kg
- Mixed-layer LCL
- 1291 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 84 m²/s²
- 0-3 km storm-relative helicity
- 186 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
The text
As transmitted, in the capitals the NWS used until 2016.
143
WGUS53 KFSD 190333
FFWFSD
MNC083-190730-
/O.NEW.KFSD.FF.W.0032.140619T0333Z-140619T0730Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1033 PM CDT WED JUN 18 2014
THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A
* FLASH FLOOD WARNING FOR...
NORTHEASTERN LYON COUNTY IN SOUTHWEST MINNESOTA
* UNTIL 230 AM CDT
* AT 1031 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE WARNED AREA. TWO
TO THREE INCHES OF RAIN HAS BEEN ESTIMATED BY RADAR WITH AN
ADDITIONAL ONE TO TWO INCHES POSSIBLE.
* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
COTTONWOOD.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. DO
NOT ENTER THE WATER. TURN AROUND AND 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 4462 9560 4459 9559 4447 9559 4446 9559
4457 9595 4463 9603 4464 9602 4463 9561
$$
WEISSER2 follow-up statements
459
WGUS53 KFSD 190715
FFWFSD
MNC083-191330-
/O.EXT.KFSD.FF.W.0032.000000T0000Z-140619T1330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
215 AM CDT THU JUN 19 2014
THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS EXTENDED THE
* FLASH FLOOD WARNING FOR...
NORTHEASTERN LYON COUNTY IN SOUTHWEST MINNESOTA
* UNTIL 830 AM CDT
* AT 212 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE WARNED AREA. THREE
TO SIX INCHES OF RAIN HAS BEEN ESTIMATED BY THE RADAR THROUGH 200 AM
CDT. AN ADDITIONAL INCH WILL BE POSSIBLE.
* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
COTTONWOOD.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. DO
NOT ENTER THE WATER. TURN AROUND AND MOVE UP TO HIGHER GROUND TO
ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN
WATER BEGINS RISING.
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY.
&&
LAT...LON 4462 9560 4459 9559 4447 9559 4446 9559
4457 9595 4463 9603 4464 9602 4463 9561
$$214
WGUS73 KFSD 191209
FFSFSD
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
709 AM CDT THU JUN 19 2014
MNC083-191330-
/O.CON.KFSD.FF.W.0032.000000T0000Z-140619T1330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
LYON MN-
709 AM CDT THU JUN 19 2014
...FLASH FLOOD WARNING REMAINS IN EFFECT FOR NORTHEASTERN LYON COUNTY
UNTIL 830 AM CDT...
AT 701 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THUNDERSTORMS WITH VERY HEAVY RAINFALL HAD MOVED ACROSS THE
WARNED AREA DURING THE NIGHT. DOPPLER RADAR ESTIMATED FROM
4 TO 8 INCHES IN EXTREME NORTHEASTERN LYON COUNTY NEAR COTTONWOOD.
AT 645 AM...LAW ENFORCEMENT REPORTED SEVERAL STREETS WERE REPORTED
FLOODING IN COTTONWOOD.
RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
COTTONWOOD.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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.
DO NOT UNDERESTIMATE THE POWER OF FLOOD WATERS. ONLY A FEW INCHES OF
RAPIDLY FLOWING WATER CAN QUICKLY CARRY AWAY YOUR VEHICLE.
&&
LAT...LON 4462 9560 4459 9559 4447 9559 4446 9559
4457 9595 4463 9603 4464 9602 4463 9561
$$
CHAPMANThe office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 18, 9:49 PM CDT | Tornado Warning | FSD | Lyon | 41 min |
| Jun 18, 10:28 PM CDT | Tornado Warning | FSD | Lyon | 32 min |
| Jun 18, 10:30 PM CDT | Tornado Warning | FSD | Lyon | 30 min |
| Jun 19, 8:27 AM CDT | Areal Flood Warning | FSD | Lyon | 12 hr |
Nearby
Flash Flood Warnings in Minnesota, 2014Every flash flood warning in 2014
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.