Alert archive / Wisconsin / Flash Flood Watches in 2017

Flash Flood Watch 4, NWS La Crosse, WI

July 19, 2017Wabasha County, Minnesota; 5 counties in Wisconsin

NWS La Crosse, WI issued this flash flood watch at Jul 19, 2017, 9:44 PM CDT for Wabasha County, Minnesota; 5 counties in Wisconsin. It took effect at Jul 20, 2017, 12:00 AM CDT. It was in force for 7 hr.

The area

The counties it named.

The facts

Issued
Jul 19, 2017, 9:44 PM CDT (02:44 UTC)
In effect from
Jul 20, 2017, 12:00 AM CDT
Expired
Jul 20, 2017, 7:00 AM CDT
In force
7 hr
Issued by
NWS La Crosse, WI
Flood severity
None

Counties Wabasha County, MN, Buffalo County, WI, Jackson County, WI, La Crosse County, WI, Monroe County, WI, Trempealeau County, WI

The radar

The La Crosse radar (KARX), 42 km from the middle of the area, began a volume at 02:47 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, 2.7 hours before the alert went out and 196 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-pSkew-T log-p diagram, Minneapolis, MN at 00:00Z on 2017-07-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 14 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 00:00Z on 2017-07-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 186 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
14 J/kg
Mixed-layer CIN
-693 J/kg
Mixed-layer LCL
1310 m above ground
0-6 km bulk shear
65 kt
0-1 km storm-relative helicity
186 m²/s²
0-3 km storm-relative helicity
251 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

884 
WGUS63 KARX 200244
FFAARX

URGENT - IMMEDIATE BROADCAST REQUESTED
Flood Watch
National Weather Service La Crosse WI
944 PM CDT Wed Jul 19 2017

...Flash Flooding Possible Tonight...

.Thunderstorms could produce 2 to locally 4 inches of rainfall
through the overnight hours. Flash flooding may develop if storms
repeat over the same areas. If you are near a river or stream
monitor the weather closely tonight. 

MNZ079-WIZ032>034-041-042-201045-
/O.NEW.KARX.FF.A.0004.170720T0500Z-170720T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Wabasha-Buffalo-Trempealeau-Jackson-La Crosse-Monroe-
Including the cities of Wabasha, Alma, Arcadia, Whitehall, 
Black River Falls, La Crosse, Sparta, and Tomah
944 PM CDT Wed Jul 19 2017

...FLASH FLOOD WATCH IN EFFECT UNTIL 7 AM CDT THURSDAY...

The National Weather Service in La Crosse has issued a

* Flash Flood Watch for portions of southeast Minnesota and west 
  central Wisconsin, including the following areas, in southeast 
  Minnesota, Wabasha. In west central Wisconsin, Buffalo, 
  Jackson, La Crosse, Monroe, and Trempealeau. 

* Until 7 AM CDT Thursday

* Thunderstorms could produce heavy rainfall overnight. 2 to
  locally 4 inches of rainfall is possible. 

* If storms repeat over the same areas flash flooding could
  develop.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Flash Flood Watch means that conditions may develop that lead
to flash flooding. Flash flooding is a very dangerous situation.

You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.

&&

$$

Wetenkamp

What forecasters said that day

The local office's own words before this flash flood watch 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 flash flood watch went out at Jul 19, 6:49 PM CDT, 2 hours 55 minutes earlier.

Area forecast discussion, Jul 19, 6:49 PM CDT, 2 hours 55 minutes before
Area Forecast Discussion
National Weather Service La Crosse WI
649 PM CDT Wed Jul 19 2017

.SHORT TERM...(Tonight through Thursday Night)
Issued at 222 PM CDT Wed Jul 19 2017

Attention focused on severe potential tonight. Currently watching a
complex of storms that has a history of high winds pushing across
eastern SD/southwest MN. These storms are expected to continue as
they move east/southeast along a fairly strong CAPE gradient with 70+
dew point in place south of I-90. Question is, how strong will the
storms be as they approach? Plenty of CAPE to continue fueling
storms while RAP/NAM indicating 30-35kt of 0-3km Bulk Shear for
storm organization. Will maintain a close watch of this over the next
several hours. Later this evening, after this complex passes, a
strong 850mb low level jet kicks in and will likely kick off more
storms over the existing cold pool with development expected to be .
somewhere near the I-94 corridor. Again plenty of CAPE to fuel
storms into the overnight hours with ample shear. These storms will
be elevated in nature with large hail being the main threat, along
with torrential downpours given precipitable water values nearing 2
inches. Storms look to be progressive in nature, so flooding rains
do not look likely. Although, localized ponding of water/brief
nuisance flooding cannot be ruled out.

A bit of a break in the action for Thursday as models indicating
high pressure moving in. Kept a small chance of showers/storms in
for areas south of I-90/ closer to frontal/outflow boundary left
behind from departing storms. Otherwise, a fairly warm/muggy day in
tap with highs in the 80s and dew points in the upper 60s to the
lower 70s.

Storm chances return to areas mainly south of I-94 later Thursday
night as low pressure over the Plains pulls that boundary back north
as a warm front.

.LONG TERM...(Friday through Wednesday)
Issued at 222 PM CDT Wed Jul 19 2017

Strong to severe storms look likely Friday into Friday night as a
warm front sets up across northern IA/IL and weak low pressure
tracks east out of the Central Plains. Ample CAPE and Bulk Shear
will dictate a severe threat. Looks like right now we would be north
of the warm front with elevated storms. So, main severe threat looks
to be large hail and torrential downpours/possible localized
flooding. However, if the front can manage a slight nudge north some
storms could get rooted in the boundary layer, producing a tornado
threat as well. Right now, looking like a widespread 1-2 inch
rainfall is likely south of I-94 with some localized higher amounts
as precipitable water values peak out in the 2-2.5 inch range. This
could pose a threat for some slightly more than localized flooding,
especially for those areas with poor drainage. Will maintain a
close eye on this severe/flooding potential.

Showers and a few storms still possible through the weekend as a
fairly strong mid-level trough moves slowly southeast across the
area. Otherwise, remaining very warm/humid through Saturday with
some drying/cooling on Sunday.

Looks dry on Monday into Tuesday with high pressure drifting across
the region but then shower/thunderstorm chances return Tuesday
Night/Wednesday as a cold front tracks out of the Northern Plains
into the Upper Mississippi River Valley region.

&&

.AVIATION...(For the 00Z TAFS through 00Z Thursday evening)
Issued at 648 PM CDT Wed Jul 19 2017

Bulk of the first cluster of storms now along and east of the
Mississippi River and will be exiting the KLSE TAF site within the
next hour. KRST is free and clear of storms now. Watching for
another round of storms to move southeast through the area after
04z and then exit by 11z. Bulk of these storms looks to avoid the
TAF sites staying mainly north of I-90 in WI...but close enough to
include VCTS for a few hours. Otherwise, looks like mainly VFR
conditions through the period.

&&

.ARX WATCHES/WARNINGS/ADVISORIES...
WI...None.
MN...None.
IA...None.
&&

SHORT TERM...DAS
LONG TERM...DAS
AVIATION...DAS
Hazardous weather outlook, Jul 19, 8:57 PM CDT, 47 minutes before
Hazardous Weather Outlook
National Weather Service La Crosse WI
857 PM CDT Wed Jul 19 2017

IAZ008>011-018-019-029-030-MNZ079-086>088-094>096-WIZ017-029-
032>034-041>044-053>055-061-201200-
Mitchell-Howard-Winneshiek-Allamakee-Floyd-Chickasaw-Fayette-
Clayton-Wabasha-Dodge-Olmsted-Winona-Mower-Fillmore-Houston-
Taylor-Clark-Buffalo-Trempealeau-Jackson-La Crosse-Monroe-Juneau-
Adams-Vernon-Crawford-Richland-Grant-
857 PM CDT Wed Jul 19 2017

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

.DAY ONE...Tonight

Thunderstorms are expected during the overnight hours. The storms
will be capable of producing heavy rainfall. If the storms track
over the same areas that received heavier rains this evening,
flooding may develop. At this time it appears that portions of
southeast Minnesota into southwest and central Wisconsin will see
the heaviest rain. The heavy rain will end by 4 AM across
southeast Minnesota and by 6 AM across western into central
Wisconsin.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday

Thunderstorms are possible at times Thursday through Sunday. Any
storms will be capable of producing locally heavy rainfall.
Severe storms are possible Friday into Friday evening, with
damaging winds and large hail the primary threats.

Localized flooding is possible in any areas impacted by repeated
thunderstorms with heavy rainfall through late this week.

Heat indices may reach 95 to 100 across northeast Iowa into
southwest Wisconsin during the afternoon hours Thursday through
Saturday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated tonight.

.EMERGENCY MANAGEMENT COORDINATION...

No webinar is scheduled.

Wetenkamp

In the hours before

Local storm report, Jul 19, 7:54 PM CDT, 1 hour 50 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LA CROSSE WI
754 PM CDT WED JUL 19 2017

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

0457 PM     TSTM WND GST     OSAGE                   43.28N 92.81W
07/19/2017  E70 MPH          MITCHELL           IA   TRAINED SPOTTER

&&

SHEA
Local storm report, Jul 19, 8:00 PM CDT, 1 hour 44 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LA CROSSE WI
800 PM CDT WED JUL 19 2017

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

0759 PM     TSTM WND DMG     RICHLAND CENTER         43.34N 90.38W
07/19/2017                   RICHLAND           WI   TRAINED SPOTTER

            LARGE BRANCHES FALLING IN TOWN

&&

SHEA
Local storm report, Jul 19, 8:07 PM CDT, 1 hour 37 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LA CROSSE WI
807 PM CDT WED JUL 19 2017

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

0806 PM     HEAVY RAIN       CATARACT                44.09N 90.83W
07/19/2017  M1.56 INCH       MONROE             WI   TRAINED SPOTTER

0806 PM     HEAVY RAIN       1 NW TOMAH              44.00N 90.52W
07/19/2017  M2.57 INCH       MONROE             WI   TRAINED SPOTTER

&&

SHEA
Local storm report, Jul 19, 8:12 PM CDT, 1 hour 32 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LA CROSSE WI
812 PM CDT WED JUL 19 2017

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

0603 PM     TSTM WND DMG     MONONA                  43.05N 91.39W
07/19/2017                   CLAYTON            IA   LAW ENFORCEMENT

            LOTS OF TREES AND POWER LINES DOWN. CORN ALSO IMPACTED.
            DAMAGE CONTINUED TOWARD MCGREGOR.

&&

SHEA
Local storm report, Jul 19, 8:25 PM CDT, 1 hour 19 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LA CROSSE WI
825 PM CDT WED JUL 19 2017

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

0430 PM     TSTM WND DMG     2 N CLAREMONT           44.08N 93.00W
07/19/2017                   DODGE              MN   PUBLIC

            DAMAGE TO TURKEY FARM AND POWER LINES. TIME
            AND LOCATION ESTIMATED BASED ON RADAR.

0430 PM     TSTM WND DMG     2 N CLAREMONT           44.08N 93.00W
07/19/2017                   DODGE              MN   PUBLIC

            DAMAGE TO TURKEY FARM AND POWER LINES. TIME
            AND LOCATION ESTIMATED BASED ON RADAR.

0435 PM     TSTM WND DMG     CLAREMONT               44.04N 93.00W
07/19/2017                   DODGE              MN   EMERGENCY MNGR

0435 PM     TSTM WND DMG     2 NE CLAREMONT          44.07N 92.97W
07/19/2017                   DODGE              MN   EMERGENCY MNGR

            BUILDING DAMAGE REPORTED.

0435 PM     TSTM WND DMG     3 NE CLAREMONT          44.08N 92.95W
07/19/2017                   DODGE              MN   STORM CHASER

            TREES UPROOTED AND ROOF BLOWN OFF OF
            BUILDING. TIME ESTIMATED BASED ON RADAR.

0435 PM     TSTM WND GST     CLAREMONT               44.04N 93.00W
07/19/2017  E65 MPH          DODGE              MN   TRAINED SPOTTER

            POWER OUT.

0435 PM     TSTM WND DMG     3 NE CLAREMONT          44.08N 92.95W
07/19/2017                   DODGE              MN   STORM CHASER

            TREES UPROOTED AND ROOF BLOWN OFF OF
            BUILDING. TIME ESTIMATED BASED ON RADAR.

0453 PM     TSTM WND GST     3 NW ROCHESTER          44.04N 92.52W
07/19/2017  M45 MPH          OLMSTED            MN   EMERGENCY MNGR

0453 PM     TSTM WND GST     2 S NORA SPRINGS        43.12N 93.01W
07/19/2017  E65 MPH          FLOYD              IA   FIRE DEPT/RESCUE

0453 PM     TSTM WND GST     3 N NORA SPRINGS        43.19N 93.01W
07/19/2017  E65 MPH          FLOYD              IA   FIRE DEPT/RESCUE

0456 PM     TSTM WND GST     RUDD                    43.13N 92.90W
07/19/2017  E65 MPH          FLOYD              IA   FIRE DEPT/RESCUE

0456 PM     NON-TSTM WND GST RUDD                    43.13N 92.90W
07/19/2017  E65 MPH          FLOYD              IA   FIRE DEPT/RESCUE

0457 PM     TSTM WND GST     OSAGE                   43.28N 92.81W
07/19/2017  E70 MPH          MITCHELL           IA   TRAINED SPOTTER

0459 PM     TSTM WND DMG     OSAGE                   43.29N 92.81W
07/19/2017                   MITCHELL           IA   STORM CHASER

            WIDESPREAD TREE DAMAGE REPORTED. 6 TO 8 INCH
            DIAMETER TREES DOWN. ESTIMATED 70 TO 80 MPH
            WINDS. TIME ESTIMATED BASED ON RADAR.

0459 PM     TSTM WND DMG     OSAGE                   43.29N 92.81W
07/19/2017                   MITCHELL           IA   STORM CHASER

            WIDESPREAD TREE DAMAGE REPORTED. 6 TO 8 INCH
            DIAMETER TREES DOWN. ESTIMATED 70 TO 80 MPH
            WINDS. TIME ESTIMATED BASED ON RADAR.

0500 PM     TSTM WND DMG     1 NE NORA SPRINGS       43.15N 93.00W
07/19/2017                   FLOYD              IA   TRAINED SPOTTER

            NUMEROUS TREES DOWN IN NORA SPRINGS.

0500 PM     TSTM WND DMG     3 ENE MITCHELL          43.34N 92.81W
07/19/2017                   MITCHELL           IA   TRAINED SPOTTER

            HEALTHY 5-6" DIAMETER TREE SNAPPED AT BASE,
            DOWNED POWER LINES. TIME ESTIMATED FROM
            RADAR.

0500 PM     TSTM WND DMG     3 ENE MITCHELL          43.34N 92.81W
07/19/2017                   MITCHELL           IA   TRAINED SPOTTER

            HEALTHY 5-6" DIAMETER TREE SNAPPED AT BASE,
            DOWNED POWER LINES. TIME ESTIMATED FROM
            RADAR.

0500 PM     TSTM WND DMG     NORA SPRINGS            43.15N 93.00W
07/19/2017                   FLOYD              IA   TRAINED SPOTTER

            NUMEROUS TREES DOWN IN NORA SPRINGS.

0500 PM     TSTM WND DMG     OSAGE                   43.28N 92.81W
07/19/2017                   MITCHELL           IA   TRAINED SPOTTER

            TREE DAMAGE REPORTED IN OSAGE. ESTIMATED
            WIND GUSTS OF 70 MPH.

0500 PM     TSTM WND GST     2 NE ROCHESTER          44.03N 92.45W
07/19/2017  E60 MPH          OLMSTED            MN   EMERGENCY MNGR

0501 PM     TSTM WND GST     OSAGE                   43.28N 92.81W
07/19/2017  E70 MPH          MITCHELL           IA   TRAINED SPOTTER

            MULTIPLE TREES DOWN.

0501 PM     TSTM WND GST     OSAGE                   43.28N 92.81W
07/19/2017  E70 MPH          MITCHELL           IA   TRAINED SPOTTER

            MULTIPLE TREES DOWN.

0507 PM     TSTM WND GST     CHARLES CITY            43.07N 92.68W
07/19/2017  E60 MPH          FLOYD              IA   FIRE DEPT/RESCUE

0512 PM     TSTM WND GST     COLWELL                 43.16N 92.59W
07/19/2017  M62 MPH          FLOYD              IA   CO-OP OBSERVER

            TREE BRANCHES DOWN.

0512 PM     TSTM WND GST     COLWELL                 43.16N 92.59W
07/19/2017  M62 MPH          FLOYD              IA   CO-OP OBSERVER

            TREE BRANCHES DOWN.

0520 PM     TSTM WND GST     NEW HAMPTON             43.06N 92.31W
07/19/2017  E66 MPH          CHICKASAW          IA   BROADCAST MEDIA

            REPORTED FROM SCHOOLNET SITE IN TOWN.

0520 PM     TSTM WND GST     ALTA VISTA              43.20N 92.42W
07/19/2017  E70 MPH          CHICKASAW          IA   TRAINED SPOTTER

            WIDESPREAD TREE DAMAGE, ONE TREE LAYING ON
            POWER LINES.

0520 PM     TSTM WND GST     ALTA VISTA              43.20N 92.42W
07/19/2017  E70 MPH          CHICKASAW          IA   TRAINED SPOTTER

            WIDESPREAD TREE DAMAGE, ONE TREE LAYING ON
            POWER LINES.

0521 PM     FLOOD            ROCHESTER               44.01N 92.48W
07/19/2017                   OLMSTED            MN   AMATEUR RADIO

            STREET FLOODING NEAR ST MARYS.

0527 PM     TSTM WND DMG     3 ENE NEW HAMPTON       43.08N 92.26W
07/19/2017                   CHICKASAW          IA   BROADCAST MEDIA

            POWER LINES DOWN ALONG / NEAR HIGHWAY 24.

0529 PM     TSTM WND GST     1 NE CARIMONA           43.67N 92.14W
07/19/2017  M50 MPH          FILLMORE           MN   EMERGENCY MNGR

            AT FILLMORE CO AIRPORT.

0530 PM     TSTM WND DMG     SAINT CHARLES           43.97N 92.06W
07/19/2017                   WINONA             MN   EMERGENCY MNGR

            POWER LINES DOWN.

0535 PM     TORNADO          2 WSW FORT ATKINSON     43.13N 91.98W
07/19/2017                   WINNESHIEK         IA   LAW ENFORCEMENT

            DELAYED REPORT OF A TORNADO BETWEEN JACKSON
            JUNCTION AND FORT ATKINSON. TIME ESTIMATED
            FROM RADAR.

0535 PM     TSTM WND DMG     WAUCOMA                 43.06N 92.03W
07/19/2017                   FAYETTE            IA   TRAINED SPOTTER

            TREES BLOWN DOWN.

0535 PM     TORNADO          2 WSW FORT ATKINSON     43.13N 91.98W
07/19/2017                   WINNESHIEK         IA   LAW ENFORCEMENT

            DELAYED REPORT OF A TORNADO BETWEEN JACKSON
            JUNCTION AND FORT ATKINSON. TIME ESTIMATED
            FROM RADAR.

0538 PM     TSTM WND DMG     1 WNW BETHANY           44.03N 91.94W
07/19/2017                   WINONA             MN   EMERGENCY MNGR

            TREES DOWN NEAR HIGHWAY 14 AND COUNTY ROAD
            33.

0538 PM     TSTM WND GST     1 S HARMONY             43.54N 92.01W
07/19/2017  M53 MPH          FILLMORE           MN   FIRE DEPT/RESCUE

0540 PM     TSTM WND DMG     SPILLVILLE              43.20N 91.95W
07/19/2017                   WINNESHIEK         IA   EMERGENCY MNGR

            NUMEROUS TREES DOWN IN SPILLVILLE. TIME
            ESTIMATED FROM RADAR.

0540 PM     TSTM WND DMG     SPILLVILLE              43.20N 91.95W
07/19/2017                   WINNESHIEK         IA   EMERGENCY MNGR

            NUMEROUS TREES DOWN IN SPILLVILLE. TIME
            ESTIMATED FROM RADAR.

0541 PM     TSTM WND DMG     1 W ELDORADO            43.05N 91.85W
07/19/2017                   FAYETTE            IA   911 CALL CENTER

            TREES BLOWN DOWN.

0547 PM     TSTM WND DMG     CRESCO                  43.37N 92.12W
07/19/2017                   HOWARD             IA   LAW ENFORCEMENT

            POWER LINES DOWN ACROSS THE TOWN OF CRESCO.

0547 PM     TSTM WND DMG     CRESCO                  43.37N 92.12W
07/19/2017                   HOWARD             IA   LAW ENFORCEMENT

            POWER LINES DOWN ACROSS THE TOWN OF CRESCO.

0549 PM     TSTM WND DMG     CLERMONT                43.00N 91.65W
07/19/2017                   FAYETTE            IA   911 CALL CENTER

            TREES DOWN.

0552 PM     TSTM WND DMG     RIDGEWAY                43.30N 91.99W
07/19/2017                   WINNESHIEK         IA   TRAINED SPOTTER

            2 FT DIAMETER TREES DOWN.

0552 PM     TSTM WND DMG     RIDGEWAY                43.30N 91.99W
07/19/2017                   WINNESHIEK         IA   TRAINED SPOTTER

            2 FT DIAMETER TREES DOWN.

0603 PM     TSTM WND DMG     MONONA                  43.05N 91.39W
07/19/2017                   CLAYTON            IA   LAW ENFORCEMENT

            LOTS OF TREES AND POWER LINES DOWN. CORN
            ALSO IMPACTED. DAMAGE CONTINUED TOWARD
            MCGREGOR.

0605 PM     TSTM WND GST     2 NNW FAYETTE           42.87N 91.82W
07/19/2017  M50 MPH          FAYETTE            IA   AMATEUR RADIO

            SOME BRANCHES DOWN.

0612 PM     TSTM WND DMG     WAUKON                  43.27N 91.48W
07/19/2017                   ALLAMAKEE          IA   PUBLIC

            PART OF A ROOF REMOVED FROM AN OUTBUILDING
            AND CORN PUSHED OVER. TIME ESTIMATED BASED
            ON RADAR. RECEIVED VIA SOCIAL MEDIA.

0612 PM     TSTM WND DMG     WAUKON                  43.27N 91.48W
07/19/2017                   ALLAMAKEE          IA   PUBLIC

            PART OF A ROOF REMOVED FROM AN OUTBUILDING
            AND CORN PUSHED OVER. TIME ESTIMATED BASED
            ON RADAR. RECEIVED VIA SOCIAL MEDIA.

0614 PM     TSTM WND DMG     4 SSE WAUKON            43.22N 91.45W
07/19/2017                   ALLAMAKEE          IA   STORM CHASER

            CORN BLOWN DOWN. SHED DAMAGE. TREE BLOWN ON
            HOUSE.

0615 PM     TSTM WND DMG     6 ESE DECORAH           43.27N 91.68W
07/19/2017                   WINNESHIEK         IA   PUBLIC

            TREES SNAPPED OR UPROOTED.

0615 PM     TSTM WND GST     6 ESE DECORAH           43.27N 91.68W
07/19/2017  0 MPH            WINNESHIEK         IA   PUBLIC

            TREES SNAPPED OR UPROOTED.

0620 PM     TSTM WND GST     1 NE PRAIRIE DU CHIEN   43.05N 91.13W
07/19/2017  E65 MPH          CRAWFORD           WI   TRAINED SPOTTER

            TREES DOWN AND CORN DAMAGE JUST EAST OF
            PRAIRIE DU CHIEN.

0620 PM     TSTM WND GST     1 NE PRAIRIE DU CHIEN   43.05N 91.13W
07/19/2017  E65 MPH          CRAWFORD           WI   TRAINED SPOTTER

            TREES DOWN AND CORN DAMAGE JUST EAST OF
            PRAIRIE DU CHIEN.

0620 PM     TSTM WND DMG     2 SE PRAIRIE DU CHIEN   43.02N 91.11W
07/19/2017                   CRAWFORD           WI   BROADCAST MEDIA

            HANGER DAMAGED AT AIRPORT. TIME ESTIMATED.

0623 PM     TSTM WND GST     3 NNW EDGEWOOD          42.68N 91.42W
07/19/2017  M52 MPH          CLAYTON            IA   FIRE DEPT/RESCUE

            AT FIRE HALL IN EDGEWOOD.

0625 PM     TSTM WND GST     PATCH GROVE             42.94N 90.97W
07/19/2017  E70 MPH          GRANT              WI   EMERGENCY MNGR

0625 PM     TSTM WND GST     1 SSE DE SOTO           43.41N 91.19W
07/19/2017  E60 MPH          CRAWFORD           WI   TRAINED SPOTTER

0627 PM     TSTM WND DMG     3 NE MOUNT HOPE         43.00N 90.82W
07/19/2017                   GRANT              WI   TRAINED SPOTTER

            SHED DAMAGED. 4-WHEELER BLOWN OVER FROM
            EXTREME WINDS.

0628 PM     TSTM WND GST     1 NNE FRENCH ISLAND     43.88N 91.26W
07/19/2017  M54 MPH          LA CROSSE          WI   ASOS

            LSE ASOS MEASURED A 54 MPH WIND GUST.

0628 PM     TSTM WND GST     1 N FRENCH ISLAND       43.88N 91.26W
07/19/2017  M54 MPH          LA CROSSE          WI   ASOS

            LSE ASOS MEASURED A 54 MPH WIND GUST.

0634 PM     TSTM WND DMG     STODDARD                43.66N 91.22W
07/19/2017                   VERNON             WI   TRAINED SPOTTER

            LARGE BRANCHES DOWN IN VILLAGE. TIME
            ESTIMATED.

0641 PM     TSTM WND DMG     5 S LA CROSSE           43.75N 91.25W
07/19/2017                   LA CROSSE          WI   TRAINED SPOTTER

            LARGE BRANCHES DOWN ALONG SOUTH AVE.

0641 PM     FLOOD            1 SW LA CROSSE          43.81N 91.25W
07/19/2017                   LA CROSSE          WI   AMATEUR RADIO

            STREET FLOODING ALONG WITH SMALL BRANCHES
            DOWN.

0645 PM     TSTM WND DMG     5 NE STODDARD           43.72N 91.16W
07/19/2017                   VERNON             WI   TRAINED SPOTTER

            TREE LIMBS DOWN. SIZE WAS UP TO 6 INCHES IN
            DIAMETER. NUMEROUS LIMBS DOWN.

0645 PM     TSTM WND DMG     5 NE STODDARD           43.72N 91.16W
07/19/2017                   VERNON             WI   TRAINED SPOTTER

            TREE LIMBS DOWN. SIZE WAS UP TO 6 INCHES IN
            DIAMETER. NUMEROUS LIMBS DOWN.

0647 PM     TSTM WND GST     3 NE MOUNT HOPE         43.00N 90.82W
07/19/2017  E60 MPH          GRANT              WI   PUBLIC

            TREES DAMAGED.

0647 PM     TSTM WND GST     3 NE MOUNT HOPE         43.00N 90.82W
07/19/2017  E60 MPH          GRANT              WI   PUBLIC

            TREES DAMAGED.

0649 PM     TSTM WND GST     LANCASTER               42.85N 90.71W
07/19/2017  E70 MPH          GRANT              WI   EMERGENCY MNGR

            TREES/POWERLINES DOWN. SIGNIFICANT DAMAGE.
            POWER OUTAGES.

0650 PM     TSTM WND GST     5 ENE ELLENBORO         42.81N 90.52W
07/19/2017  M61 MPH          GRANT              WI   TRAINED SPOTTER

0650 PM     TSTM WND GST     PLATTEVILLE             42.74N 90.48W
07/19/2017  E70 MPH          GRANT              WI   TRAINED SPOTTER

0650 PM     TSTM WND GST     PLATTEVILLE             42.74N 90.48W
07/19/2017  E70 MPH          GRANT              WI   TRAINED SPOTTER

0650 PM     TSTM WND GST     5 ENE ELLENBORO         42.81N 90.52W
07/19/2017  M61 MPH          GRANT              WI   TRAINED SPOTTER

0651 PM     TSTM WND GST     1 SSE LA CROSSE         43.81N 91.22W
07/19/2017  E60 MPH          LA CROSSE          WI   NWS EMPLOYEE

            BRANCHES DOWN.

0651 PM     TSTM WND GST     2 SSE LA CROSSE         43.81N 91.22W
07/19/2017  E60 MPH          LA CROSSE          WI   NWS EMPLOYEE

            BRANCHES DOWN.

0651 PM     TSTM WND DMG     READSTOWN               43.45N 90.76W
07/19/2017                   VERNON             WI   911 CALL CENTER

            TREES AND POWER LINES DOWN.

0653 PM     TSTM WND GST     2 ESE LA CROSSE         43.81N 91.19W
07/19/2017  M46 MPH          LA CROSSE          WI   OFFICIAL NWS OBS

            AT NWS LA CROSSE.

0655 PM     TSTM WND GST     4 NW PLATTEVILLE        42.78N 90.53W
07/19/2017  M66 MPH          GRANT              WI   TRAINED SPOTTER

            TREE DAMAGE, INCLUDING AN OAK FALLING ON
            POWER LINES. TIME ESTIMATED FROM RADAR.

0655 PM     TSTM WND GST     4 NW PLATTEVILLE        42.78N 90.53W
07/19/2017  M66 MPH          GRANT              WI   TRAINED SPOTTER

            TREE DAMAGE, INCLUDING AN OAK FALLING ON
            POWER LINES. TIME ESTIMATED FROM RADAR.

0700 PM     TSTM WND DMG     1 WSW BLUE RIVER        43.18N 90.59W
07/19/2017                   GRANT              WI   EMERGENCY MNGR

            TREES AND POWER LINES DOWN.

0711 PM     FLOOD            1 SW LA CROSSE          43.81N 91.25W
07/19/2017                   LA CROSSE          WI   NWS EMPLOYEE

            STREET FLOODING IN LA CROSSE. SOME PLACES A
            FOOT DEEP.

0713 PM     TSTM WND DMG     LA FARGE                43.58N 90.64W
07/19/2017                   VERNON             WI   911 CALL CENTER

            TREES AND POWER LINES DOWN.

0725 PM     TSTM WND DMG     1 SSW GOTHAM            43.21N 90.30W
07/19/2017                   RICHLAND           WI   AMATEUR RADIO

            TREES AND POWER LINES DOWN.

0759 PM     TSTM WND DMG     RICHLAND CENTER         43.34N 90.38W
07/19/2017                   RICHLAND           WI   TRAINED SPOTTER

            LARGE BRANCHES FALLING IN TOWN.

0806 PM     HEAVY RAIN       1 ENE CATARACT          44.09N 90.83W
07/19/2017  M1.56 INCH       MONROE             WI   TRAINED SPOTTER

0806 PM     HEAVY RAIN       1 NW TOMAH              44.00N 90.52W
07/19/2017  M2.57 INCH       MONROE             WI   TRAINED SPOTTER

&&
Special weather statement, Jul 19, 8:33 PM CDT, 1 hour 11 minutes before
Special Weather Statement
National Weather Service La Crosse WI
833 PM CDT Wed Jul 19 2017

WIZ043-044-200315-
Juneau-Adams-
Including the cities of Mauston and Friendship
833 PM CDT Wed Jul 19 2017

...Gusty Winds Lingering Behind The Thunderstorms...

Winds in central Wisconsin continue to gust in the 40 to 50 mph
range at times from the southeast. These will diminish over the
next hour or so as the storms move away from the area.

Very small tree limbs could fall from these winds and items not
tied down could be moved.

More storms are expected later tonight.

baumgardt

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 19, 8:18 PM CDTRiver Flood WarningARXOlmsted, Winona23 hr
Jul 20, 12:09 AM CDTSevere Thunderstorm WarningARXWinona51 min
Jul 20, 12:39 AM CDTSevere Thunderstorm WarningARXHouston34 min
Jul 20, 1:29 AM CDTFlash Flood WarningARXWabasha, Winona4 hr
Jul 20, 2:13 AM CDTSevere Thunderstorm WarningARXHouston, Winona47 min
Jul 20, 2:20 AM CDTFlash Flood WarningARXHouston, Winona6 hr
Jul 20, 5:24 AM CDTAreal Flood WarningARXWinona3 hr
Jul 20, 11:31 AM CDTFlash Flood WatchARXDodge, Fillmore, Houston, Mower, Olmsted, Wabasha and 1 more40 hr
Jul 19, 7:02 PM CDTSevere Thunderstorm WarningARXRichland, Vernon58 min
Jul 19, 7:20 PM CDTSevere Thunderstorm WarningARXCrawford, Grant, Richland55 min
Jul 19, 8:03 PM CDTSevere Thunderstorm WarningARXRichland27 min
Jul 19, 10:15 PM CDTRiver Flood WarningARXBuffalo, Trempealeau6 days
Jul 19, 10:59 PM CDTSpecial Weather StatementARXBuffalo, Trempealeau61 min
Jul 19, 11:38 PM CDTFlash Flood WarningARXBuffalo, Trempealeau3 hr
Jul 19, 11:42 PM CDTSpecial Weather StatementARXLa Crosse, Vernon48 min
Jul 20, 1:28 AM CDTRiver Flood WarningARXMonroe, Vernon52 hr
Jul 20, 2:02 AM CDTFlash Flood WarningARXBuffalo, Trempealeau6 hr
Jul 20, 2:50 AM CDTSpecial Weather StatementARXVernon40 min
Jul 20, 3:00 AM CDTFlash Flood WarningARXCrawford, Juneau, Richland, Vernon6 hr
Jul 20, 3:01 AM CDTRiver Flood WarningARXRichland, Vernon51 hr
Jul 20, 3:01 AM CDTRiver Flood WarningARXRichland, Vernon4 days
Jul 20, 3:01 AM CDTRiver Flood WarningARXVernon5 days
Jul 20, 3:01 AM CDTRiver Flood WarningARXCrawford5 days
Jul 20, 3:01 AM CDTRiver Flood WarningARXCrawford7 days
Jul 20, 3:01 AM CDTRiver Flood WarningARXCrawford8 days
Jul 20, 3:03 AM CDTRiver Flood WarningARXBuffalo, Trempealeau47 hr
Jul 20, 8:17 AM CDTAreal Flood WarningARXJackson, La Crosse, Monroe6 hr
Jul 20, 8:28 AM CDTAreal Flood WarningARXBuffalo, Trempealeau6 hr
Jul 20, 8:59 AM CDTAreal Flood WarningARXCrawford, Juneau, Richland, Vernon12 hr
Jul 20, 2:17 PM CDTAreal Flood WarningARXJackson, La Crosse, Monroe6 hr
Jul 20, 2:26 PM CDTAreal Flood WarningARXBuffalo, Trempealeau6 hr

Nearby

Flash Flood Watches in Wisconsin, 2017Flash Flood Watches in Minnesota, 2017Every flash flood watch in 2017

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.