237
WGUS43 KMKX 260959
FLWMKX

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Milwaukee/Sullivan WI
459 AM CDT Wed Jun 26 2024

...Observed flooding changed from Minor to Moderate severity for the
following rivers in Wisconsin...

  Wisconsin River At Portage affecting Columbia County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Motorists should not attempt to drive around barricades or drive
cars through flooded areas.

Additional information is available at www.weather.gov.

The next statement will be issued this afternoon at 500 PM CDT.

&&

WIC021-262200-
/O.CON.KMKX.FL.W.0033.000000T0000Z-240630T0200Z/
/PORW3.2.ER.240624T1430Z.240626T0830Z.240629T2000Z.UU/
459 AM CDT Wed Jun 26 2024

...FLOOD WARNING REMAINS IN EFFECT UNTIL LATE SATURDAY EVENING...

* WHAT...Moderate flooding is occurring and minor flooding is
  forecast.

* WHERE...Wisconsin River at Portage.

* WHEN...Until late Saturday evening.

* IMPACTS...At 18.0 feet, Water surrounds seasonal homes along Old
  River Rd in the Blackhawk Park and 12 homes flooded on Hwy V. Old
  River Rd, W Lake Rd, Sec K Rd, Blackhawk R covered with water.
  West Lane Rd has 4 feet of water over it in places. Water over
  River Oaks Rd near Hwy V and Oak Knoll Rd in Town of Dekorra 7
  miles downstream. Water at base of Caledonia/Lewiston Levee on Old
  River Rd. This level is about a 20 percent chance flood meaning
  that there is a 20 percent chance in any given year of the river
  reaching this level.

* ADDITIONAL DETAILS...
  - At 3:30 AM CDT Wednesday the stage was 18.0 feet.
  - Bankfull stage is 12.7 feet.
  - Recent Activity...The maximum river stage in the 24 hours
    ending at 3:30 AM CDT Wednesday was 18.0 feet.
  - Forecast...The river is expected to rise to a crest of 17.8
    feet early Friday morning. It will then fall below flood
    stage Saturday afternoon.
  - Flood stage is 17.0 feet.
  - Flood History...This crest compares to a previous crest of
    17.9 feet on 04/20/2003.
  - http://www.weather.gov/safety/flood

&&

River forecasts are available for some but not all river gaging
locations. The 7 day river forecast takes into account past
precipitation, soil moisture conditions, and predicted
precipitation for the basin. Precipitation is for the next 24 hours
in the future from April through September and for 48 hours in the
future from October through March.

(Stages in ft.)       Bank-       Latest         Forecast stages
-               Flood full       observed        ...for 7 am...
Location        stage stage     stage/time    Thu  Fri  Sat  Sun
Portage         17.0  12.7  18.01 3 am 6/26   17.5 17.8 17.4 16.2

-                    Highest       24 hour change
-                    observed      in river stage
-                    stage in        (ft.) up to     Highest stage
-                    the last      latest observed    forecast in
-                     7 days            stage         next 7 days
Portage         18.01 2 am 6/26         0.46       17.90 1 am 6/26


&&

LAT...LON 4351 8970 4365 8966 4359 8937 4339 8939
      4344 8965 4350 8957


$$

PATTERSON