Alert archive / Wisconsin / Flash Flood Warnings in 2016
Flash Flood Warning 5, NWS Milwaukee, WI
NWS Milwaukee, WI issued this flash flood warning at Jul 21, 2016, 7:16 PM CDT for Rock County, Walworth County, Wisconsin. It was in force for 3 hr. 8 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
- Jul 21, 2016, 7:16 PM CDT (00:16 UTC)
- Expired
- Jul 21, 2016, 10:15 PM CDT
- In force
- 3 hr
- Issued by
- NWS Milwaukee, WI
- Area
- Storm-based polygon
- Flood severity
- None
Counties Rock County, WI, Walworth County, WI
The radar
The Milwaukee radar (KMKX), 57 km from the middle of the area, began a volume at 00:16 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 |
|---|---|---|---|
| Jul 21, 8:00 PM CDT | FLASH FLOOD | Beloit, WI | MULTIPLE ROADS IMPASSABLE |
| Jul 21, 8:00 PM CDT | FLASH FLOOD | Beloit, WI | MULTIPLE ROADS IMPASSABLE. |
| Jul 21, 8:00 PM CDT | FLASH FLOOD | Janesville, WI | MULTIPLE ROADS IMPASSABLE |
| Jul 21, 8:00 PM CDT | FLASH FLOOD | Janesville, WI | MULTIPLE ROADS IMPASSABLE. |
| Jul 21, 8:34 PM CDT | HEAVY RAIN 2.4 | Evansville, WI | RAINFALL FROM 630 TO 830 PM. |
| Jul 21, 8:34 PM CDT | HEAVY RAIN 2.4 | Se Evansville, WI | RAINFALL FROM 630 TO 830 PM |
| Jul 21, 8:59 PM CDT | HEAVY RAIN 2.21 | 6 Ssw Edgerton, WI | FELL IN 2.5 HOURS. |
| Jul 21, 8:59 PM CDT | HEAVY RAIN 2.21 | 7 Nw Janesville, WI | FELL IN 2.5 HOURS |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Davenport, (KDVN), launched 00:00Z, 0.3 hours before the alert went out and 162 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
- 4571 J/kg
- Mixed-layer CIN
- -11 J/kg
- Mixed-layer LCL
- 1083 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 123 m²/s²
- 0-3 km storm-relative helicity
- 195 m²/s²
- Significant tornado parameter
- 2.4
- Supercell composite
- 17.9
The text
As transmitted.
898
WGUS53 KMKX 220016
FFWMKX
WIC105-127-220315-
/O.NEW.KMKX.FF.W.0005.160722T0016Z-160722T0315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
716 PM CDT THU JUL 21 2016
THE NATIONAL WEATHER SERVICE IN MILWAUKEE/SULLIVAN HAS ISSUED A
* FLASH FLOOD WARNING FOR...
WESTERN WALWORTH COUNTY IN SOUTHEASTERN WISCONSIN...
ROCK COUNTY IN SOUTH CENTRAL WISCONSIN...
* UNTIL 1015 PM CDT
* AT 714 PM CDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
HEAVY RAIN ACROSS THE WARNED AREA. UP TO TWO INCHES OF RAIN HAVE
ALREADY FALLEN IN MADISON WITHIN ONE HOURS TIME. FLASH FLOODING IS
EXPECTED TO BEGIN SHORTLY IN THE WARNED AREA.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
JANESVILLE...BELOIT...WHITEWATER...MILTON...EDGERTON...
EVANSVILLE...CLINTON...DARIEN...ORFORDVILLE...BROOKLYN...
FOOTVILLE...RICHMOND...FULTON...NEWARK...MAGNOLIA...TIFFANY...
SHOPIERE...EMERALD GROVE...INDIANFORD AND AVALON.
ADDITIONAL RAINFALL AMOUNTS OF 1 TO 2 INCHES ARE POSSIBLE IN
THE WARNED AREA.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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.
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...FARMLAND...AND OTHER LOW LYING
SPOTS.
A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNED AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY.
&&
LAT...LON 4250 8916 4257 8936 4285 8937 4284 8865
4249 8876
$$
JTS1 follow-up statement
837
WGUS73 KMKX 220041
FFSMKX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
741 PM CDT THU JUL 21 2016
WIC105-127-220315-
/O.CON.KMKX.FF.W.0005.000000T0000Z-160722T0315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
WALWORTH WI-ROCK WI-
741 PM CDT THU JUL 21 2016
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1015 PM CDT FOR
WESTERN WALWORTH AND ROCK COUNTIES...
AT 737 PM CDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING HEAVY
RAIN ACROSS THE WARNED AREA. UP TO ONE INCH OF RAIN HAS ALREADY
FALLEN. RADAR INDICATED RAINFALL OF 1 TO 2 INCHES HAS
FALLEN ACROSS PORTIONS OF NORTHERN ROCK COUNTY. ADDITIONAL RAINFALL
OF 1 TO 2 INCHES IS EXPECTED OVER PARTS OF THE WARNING AREA RESULTING
IN URBAN AND RURAL FLOODING.
SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
JANESVILLE...BELOIT...WHITEWATER...MILTON...EDGERTON...EVANSVILLE...
CLINTON...DARIEN...ORFORDVILLE...BROOKLYN...FOOTVILLE...RICHMOND...
FULTON...NEWARK...MAGNOLIA...TIFFANY...SHOPIERE...EMERALD
GROVE...INDIANFORD AND AVALON.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND
UNDERPASSES AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS.
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...FARMLAND...AND OTHER LOW LYING
SPOTS.
A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNED AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY.
&&
LAT...LON 4250 8916 4257 8936 4285 8937 4284 8865
4249 8876
$$
JTS/MBKThe office that day
Everything else NWS Milwaukee, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 21, 7:22 PM CDT | Flash Flood Warning | MKX | Dane, Iowa, Sauk | 3 hr |
| Jul 21, 7:26 PM CDT | Special Marine Warning | MKX | 94 min | |
| Jul 21, 7:39 PM CDT | Severe Thunderstorm Warning | MKX | Iowa, Sauk | 51 min |
| Jul 21, 7:51 PM CDT | Severe Thunderstorm Warning | MKX | Dane, Green, Iowa, Lafayette | 39 min |
| Jul 21, 8:12 PM CDT | Areal Flood Advisory | MKX | Dane, Green, Iowa, Lafayette, Rock | 3 hr |
| Jul 21, 9:08 PM CDT | Special Weather Statement | MKX | Green, Iowa, Lafayette | 82 min |
| Jul 21, 9:40 PM CDT | Areal Flood Advisory | MKX | Green, Lafayette | 3 hr |
| Jul 21, 11:28 PM CDT | Special Marine Warning | MKX | 2 hr | |
| Jul 21, 11:32 PM CDT | Special Weather Statement | MKX | Jefferson, Kenosha, Milwaukee, Walworth, Waukesha | 88 min |
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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.