Alert archive / Wisconsin / Areal Flood Warnings in 2016

Areal Flood Warning 5, NWS La Crosse, WI

August 11, 2016Buffalo County, Trempealeau County, Wisconsin

NWS La Crosse, WI issued this areal flood warning at Aug 11, 2016, 4:19 PM CDT for Buffalo County, Trempealeau County, Wisconsin. It was in force for 6 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Aug 11, 2016, 4:19 PM CDT (21:19 UTC)
Expired: Aug 11, 2016, 10:15 PM CDT
In force: 6 hr
Issued by: NWS La Crosse, WI
Area: Storm-based polygon
Flood severity: None

Counties Buffalo County, WI, Trempealeau County, WI

The radar

The La Crosse radar (KARX), 65 km from the middle of the area, began a volume at 21:20 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 12:00Z, 9.3 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1072 m above ground
0-6 km bulk shear: 38 kt
0-1 km storm-relative helicity: 2 m²/s²
0-3 km storm-relative helicity: 73 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this areal flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS La Crosse, WI wrote its last area forecast discussion before this areal flood warning went out at Aug 11, 3:08 PM CDT, 1 hour 11 minutes earlier.

Area forecast discussion, Aug 11, 3:08 PM CDT, 1 hour 11 minutes before

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Hazardous weather outlook, Aug 11, 11:52 AM CDT, 4 hours 27 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LA CROSSE WI
1152 AM CDT THU AUG 11 2016

IAZ008>011-018-019-029-030-MNZ079-086>088-094>096-WIZ032>034-
041>044-053>055-061-121100-
MITCHELL-HOWARD-WINNESHIEK-ALLAMAKEE-FLOYD-CHICKASAW-FAYETTE-
CLAYTON-WABASHA-DODGE-OLMSTED-WINONA-MOWER-FILLMORE-HOUSTON-
BUFFALO-TREMPEALEAU-JACKSON-LA CROSSE-MONROE-JUNEAU-ADAMS-VERNON-
CRAWFORD-RICHLAND-GRANT-
1152 AM CDT THU AUG 11 2016

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHEAST
IOWA...SOUTHEAST MINNESOTA...AND SOUTHWEST INTO CENTRAL
WISCONSIN.

.DAY ONE...THIS AFTERNOON AND TONIGHT

A FLASH FLOOD WATCH IS IN EFFECT FOR THE ENTIRE AREA THROUGH
TONIGHT.

ANOTHER ROUND OF STORMS IS EXPECTED TO MOVE ACROSS THE AREA LATE
THIS AFTERNOON AND TONIGHT. THE HEAVIEST RAIN AND ANY SEVERE
WEATHER WILL LIKELY BE ALONG AND SOUTH OF THE INTERSTATE 90
CORRIDOR. IN THESE AREAS...ADDITIONAL RAINFALL AMOUNTS OF 1 TO 3
INCHES...WITH LOCALLY HIGHER AMOUNTS...ARE POSSIBLE. WITH RAINFALL
RATES IN EXCESS OF 2 INCHES AN HOUR...THESE RAINS COULD PRODUCE
FLASH FLOODING. A FEW OF THE STORMS LATER THIS AFTERNOON AND
EVENING COULD PRODUCE DAMAGING WINDS AS WELL.

HEAT INDICES OF 95 TO 100 DEGREES ARE EXPECTED THIS AFTERNOON...
MAINLY ALONG AND SOUTH OF INTERSTATE 90. USE CAUTION AND STAY
HYDRATED IF SPENDING EXTENDED TIME OUTDOORS.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

SCATTERED THUNDERSTORMS ARE EXPECTED FRIDAY. SEVERE WEATHER IS
NOT EXPECTED WITH ANY OF THESE STORMS.

.SPOTTER INFORMATION STATEMENT...

A FEW SPOTTER GROUPS MAY BE NEEDED LATER THIS AFTERNOON AND THIS
EVENING...MAINLY ACROSS NORTHEAST IOWA AND SOUTHWEST WISCONSIN.
RAINFALL AND/OR FLOODING REPORTS WOULD BE APPRECIATED.

.EMERGENCY MANAGEMENT COORDINATION...

NO WEBINAR IS SCHEDULED.

WIZ017-029-121100-
TAYLOR-CLARK-
1152 AM CDT THU AUG 11 2016

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL
WISCONSIN AND NORTH CENTRAL WISCONSIN.

.DAY ONE...THIS AFTERNOON AND TONIGHT

ANOTHER ROUND OF STORMS IS EXPECTED TO MOVE ACROSS THE AREA
TONIGHT. THE MAIN THREAT WITH THESE STORMS WILL BE LIGHTNING.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

SCATTERED THUNDERSTORMS ARE EXPECTED FRIDAY. SEVERE WEATHER IS
NOT EXPECTED WITH ANY OF THESE STORMS.

.SPOTTER INFORMATION STATEMENT...

RAINFALL AND/OR FLOODING REPORTS WOULD BE APPRECIATED.

.EMERGENCY MANAGEMENT COORDINATION...

NO WEBINAR IS SCHEDULED.

BOYNE

In the hours before

Local storm report, Aug 11, 12:33 PM CDT, 3 hours 46 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LA CROSSE WI
1233 PM CDT THU AUG 11 2016

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1232 PM     FLASH FLOOD      2 S CREAM               44.29N 91.77W
08/11/2016                   BUFFALO            WI   911 CALL CENTER

            FLOODING REPORTED NORTH OF COUNTY ROAD U ALONG HIGHWAY 88

&&

SHEA

Local storm report, Aug 11, 1:02 PM CDT, 3 hours 17 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LA CROSSE WI
102 PM CDT THU AUG 11 2016

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0101 PM     FLASH FLOOD      INDEPENDENCE            44.36N 91.42W
08/11/2016                   TREMPEALEAU        WI   911 CALL CENTER

            WATER RISING QUICKLY AT HIGHWAY 93 AND ELM STREET NEAR
            BRIDGE

&&

SHEA

Local storm report, Aug 11, 1:32 PM CDT, 2 hours 47 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LA CROSSE WI
132 PM CDT THU AUG 11 2016

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0130 PM     FLASH FLOOD      INDEPENDENCE            44.36N 91.42W
08/11/2016                   TREMPEALEAU        WI   911 CALL CENTER

            WATER LEVELS CONTINUE TO RISE IN TOWN. WATER OVER ELM
            STREET AND APPROACHING HOMES.

0130 PM     FLASH FLOOD      6 NE ALMA               44.39N 91.84W
08/11/2016                   BUFFALO            WI   911 CALL CENTER

            HIGHWAY 37 CLOSED FROM HIGHWAY 35 IN ALMA TO INTERSECTION
            OF HIGHWAY 88

&&

SHEA

Local storm report, Aug 11, 2:02 PM CDT, 2 hours 17 minutes before

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Local storm report, Aug 11, 2:36 PM CDT, 1 hour 43 minutes before

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Local storm report, Aug 11, 2:53 PM CDT, 1 hour 26 minutes before

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The office that day

Everything else NWS La Crosse, WI issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 11, 4:01 AM CDT	Areal Flood Advisory	ARX	Buffalo, Trempealeau	5 hr
Aug 11, 4:05 AM CDT	Flash Flood Watch	ARX	Adams, Buffalo, Clark, Crawford, Grant, Jackson and 7 more	24 hr
Aug 11, 6:03 AM CDT	Special Weather Statement	ARX	Buffalo, La Crosse, Trempealeau	87 min
Aug 11, 6:23 AM CDT	Flash Flood Warning	ARX	Buffalo, Trempealeau	4 hr
Aug 11, 6:45 AM CDT	Flash Flood Warning	ARX	Clark, Taylor	4 hr
Aug 11, 7:30 AM CDT	Special Weather Statement	ARX	Clark, Jackson	45 min
Aug 11, 7:39 AM CDT	Flash Flood Warning	ARX	Clark, Jackson, Trempealeau	3 hr
Aug 11, 8:47 AM CDT	Special Weather Statement	ARX	Adams, Juneau	43 min
Aug 11, 9:09 AM CDT	River Flood Warning	ARX	Buffalo, Trempealeau	5 days
Aug 11, 10:16 AM CDT	Flash Flood Warning	ARX	Buffalo, Trempealeau	3 hr
Aug 11, 1:16 PM CDT	Flash Flood Warning	ARX	Buffalo, Trempealeau	3 hr
Aug 11, 1:40 PM CDT	River Flood Warning	ARX	Buffalo, Trempealeau	39 hr
Aug 11, 9:32 AM CDT	River Flood Watch	ARX	Clayton	19 hr
Aug 11, 9:32 AM CDT	River Flood Watch	ARX	Clayton	19 hr
Aug 11, 2:57 AM CDT	Areal Flood Advisory	ARX	Dodge, Olmsted	5 hr

Nearby

Areal Flood Warnings in Wisconsin, 2016 Every areal 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.