Alert archive / Minnesota / River Flood Warnings in 2019

River Flood Warning 55, NWS La Crosse, WI

May 27, 2019Olmsted County, Winona County, Minnesota

NWS La Crosse, WI issued this river flood warning at May 27, 2019, 6:21 PM CDT for Olmsted County, Winona County, Minnesota. It was in force for 20 hr.

The area

The counties it named.

The facts

Issued: May 27, 2019, 6:21 PM CDT (23:21 UTC)
Expired: May 28, 2019, 2:36 PM CDT
In force: 20 hr
Issued by: NWS La Crosse, WI
Area: Storm-based polygon
Flood severity: Minor

Counties Olmsted County, MN, Winona County, MN

The radar

The La Crosse radar (KARX), 75 km from the middle of the area, began a volume at 23:20 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 river

Written for the forecast point Middle Fork Whitewater River near Whitewater State Park (WSPM5).

Action stage: 12 ft
Minor stage: 13.5 ft
Moderate stage: 15 ft
Major stage: 17 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 05376100, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.

What forecasters said that day

The local office's own words before this river 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 river flood warning went out at May 27, 6:10 PM CDT, 11 minutes earlier.

Area forecast discussion, May 27, 6:10 PM CDT, 11 minutes before

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Hazardous weather outlook, May 27, 4:23 AM CDT, 13 hours 58 minutes before

Hazardous Weather Outlook
National Weather Service La Crosse WI
423 AM CDT Mon May 27 2019

MNZ079-086>088-094>096-WIZ017-029-032>034-041>044-053-281200-
Wabasha-Dodge-Olmsted-Winona-Mower-Fillmore-Houston-Taylor-Clark-
Buffalo-Trempealeau-Jackson-La Crosse-Monroe-Juneau-Adams-Vernon-
423 AM CDT Mon May 27 2019

This Hazardous Weather Outlook is for portions of southeast
Minnesota and western into central Wisconsin.

.DAY ONE...Today and Tonight

Flooding continues along portions of the Mississippi River.

Periods of thunderstorms are expected today and tonight. The main
threats will be locally heavy rains and lightning. Runoff from any
heavy rains will produce rises on area rivers and streams and may
produce flooding.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday

There are chances of thunderstorms late Tuesday through Saturday.
At this time the main threats look to be lightning and the
possiblity of locally heavy rains which could produce flooding.

Flooding will continue along portions of the Mississippi River.

.SPOTTER INFORMATION STATEMENT...

Reports of heavy rainfall, rising water levels on streams and
rivers and flooding would be appreciated.

.EMERGENCY MANAGEMENT COORDINATION...

No webinar is scheduled.

IAZ008>011-018-019-029-030-WIZ054-055-061-281200-
Mitchell-Howard-Winneshiek-Allamakee-Floyd-Chickasaw-Fayette-
Clayton-Crawford-Richland-Grant-
423 AM CDT Mon May 27 2019

This Hazardous Weather Outlook is for portions of northeast Iowa
and southwest Wisconsin.

.DAY ONE...Today and Tonight

Periods of Thunderstorms are expected today and tonight. A few
of the storms late this afternoon and early this evening could be
strong to severe. The main threats would be damaging winds, large
hail and locally heavy rains which could produce flooding.

Flooding continues along portions of the Mississippi River.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday

There are chances of thunderstorms Tuesday through Saturday.
A few of the storms Tuesday afternoon and evening could be strong
to severe. The main threats would be damaging winds and large
hail and locally heavy rains which could produce flooding.

Flooding will continue along portions of the Mississippi River.

.SPOTTER INFORMATION STATEMENT...

A few spotter groups may be needed late this afternoon and early
this evening and again Tuesday afternoon and evening. Reports of
heavy rainfall, rising water levels on streams and rivers and
flooding would be appreciated.

.EMERGENCY MANAGEMENT COORDINATION...

No webinar is scheduled.

RRS/JW

In the hours before

Local storm report, May 27, 5:06 PM CDT, 1 hour 15 minutes before

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Local storm report, May 27, 5:50 PM CDT, 31 minutes before

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Local storm report, May 27, 5:52 PM CDT, 29 minutes before

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Local storm report, May 27, 5:55 PM CDT, 26 minutes before

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Local storm report, May 27, 6:03 PM CDT, 18 minutes before

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Local storm report, May 27, 6:14 PM CDT, 7 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
May 27, 1:00 PM CDT	Tornado Warning	ARX	Fillmore, Mower	45 min
May 27, 1:40 PM CDT	Tornado Warning Tornado observedConsiderable damage threat	ARX	Fillmore	50 min
May 27, 1:41 PM CDT	Tornado Warning Tornado observed	ARX	Fillmore, Olmsted	19 min
May 27, 2:11 PM CDT	Tornado Warning Tornado observed	ARX	Fillmore	16 min
May 27, 2:21 PM CDT	Tornado Warning	ARX	Fillmore	10 min
May 27, 12:32 PM CDT	Tornado Warning Tornado observed	ARX	Floyd, Howard, Mitchell	43 min
May 27, 1:07 PM CDT	Tornado Warning Tornado observed	ARX	Chickasaw, Floyd, Howard	38 min
May 27, 2:20 PM CDT	Tornado Warning	ARX	Winneshiek	23 min

Nearby

River Flood Warnings in Minnesota, 2019 Every river flood warning in 2019

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive; the gauge from the NWS water service and the USGS.