Alert archive / Wisconsin / Flash Flood Warnings in 2016
Flash Flood Warning 30, NWS Twin Cities, MN
NWS Twin Cities, MN issued this flash flood warning at Sep 21, 2016, 7:36 PM CDT for Dunn County, Saint Croix County, Wisconsin. It was in force for 4 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
- Sep 21, 2016, 7:36 PM CDT (00:36 UTC)
- Expired
- Sep 21, 2016, 11:30 PM CDT
- In force
- 4 hr
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Flood severity
- None
Counties Dunn County, WI, Saint Croix County, WI
The radar
The Minneapolis radar (KMPX), 96 km from the middle of the area, began a volume at 00:39 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
Minneapolis, MN (KMPX), launched 00:00Z, 0.6 hours before the alert went out and 99 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
- 144 J/kg
- Mixed-layer CIN
- -361 J/kg
- Mixed-layer LCL
- 641 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 428 m²/s²
- 0-3 km storm-relative helicity
- 596 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 11.6
The text
As transmitted.
357
WGUS53 KMPX 220036
FFWMPX
WIC033-109-220430-
/O.NEW.KMPX.FF.W.0030.160922T0036Z-160922T0430Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
736 PM CDT WED SEP 21 2016
THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A
* FLASH FLOOD WARNING FOR...
ST. CROIX COUNTY IN WEST CENTRAL WISCONSIN...
DUNN COUNTY IN WEST CENTRAL WISCONSIN...
* UNTIL 1130 PM CDT
* AT 734 PM CDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
HEAVY RAIN TRAINING ACROSS THE WARNED AREA. UP TO FOUR INCHES OF
RAIN HAVE FALLEN IN THE LAST THREE HOURS. FLASH FLOODING IS
EXPECTED TO BEGIN SHORTLY.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
MENOMONIE...HUDSON...NEW RICHMOND...NORTH HUDSON...SOMERSET...
BALDWIN...HAMMOND...ROBERTS...WOODVILLE...GLENWOOD CITY...
COLFAX AND BOYCEVILLE.
ADDITIONAL RAINFALL AMOUNTS OF 2 TO 5 INCHES WILL BE POSSIBLE IN THE
WARNED AREA AS STORMS CURRENTLY BACK ACROSS THE NORTHERN TWIN CITIES
METRO MOVE EAST INTO WESTERN WISCONSIN.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.
&&
LAT...LON 4473 9192 4487 9212 4497 9277 4503 9276
4505 9279 4508 9279 4511 9274 4520 9277
4517 9167 4469 9165
$$The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 21, 7:12 PM CDT | Flash Flood Warning | MPX | Chippewa, Eau Claire | 4 hr |
| Sep 21, 9:03 PM CDT | River Flood Warning | MPX | Eau Claire | 4 days |
| Sep 22, 3:59 AM CDT | Flash Flood Watch | MPX | Eau Claire, Pepin, Pierce | 7 hr |
| Sep 22, 5:33 AM CDT | Areal Flood Warning | MPX | Chippewa, Dunn, Eau Claire | 24 hr |
Nearby
Flash Flood Warnings in Wisconsin, 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.