Alert archive / Wisconsin / Flash Flood Watches in 2013

Flash Flood Watch 6, NWS La Crosse, WI

June 21, 201313 counties in Wisconsin; 8 counties in Iowa; 7 counties in Minnesota

NWS La Crosse, WI issued this flash flood watch at Jun 21, 2013, 2:23 PM CDT for 13 counties in Wisconsin; 8 counties in Iowa; 7 counties in Minnesota. It took effect at Jun 21, 2013, 9:00 PM CDT. It was in force for 15 hr.

The area

The counties it named.

The facts

Issued
Jun 21, 2013, 2:23 PM CDT (19:23 UTC)
In effect from
Jun 21, 2013, 9:00 PM CDT
Expired
Jun 22, 2013, 12:00 PM CDT
In force
15 hr
Issued by
NWS La Crosse, WI
Flood severity
None
All 28 counties

Allamakee County, IA, Chickasaw County, IA, Clayton County, IA, Fayette County, IA, Floyd County, IA, Howard County, IA, Mitchell County, IA, Winneshiek County, IA, Dodge County, MN, Fillmore County, MN, Houston County, MN, Mower County, MN, Olmsted County, MN, Wabasha County, MN, Winona County, MN, Adams County, WI, Buffalo County, WI, Clark County, WI, Crawford County, WI, Grant County, WI, Jackson County, WI, Juneau County, WI, La Crosse County, WI, Monroe County, WI, Richland County, WI, Taylor County, WI, Trempealeau County, WI, Vernon County, WI

The radar

The La Crosse radar (KARX), 27 km from the middle of the area, began a volume at 19:26 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, 7.4 hours before the alert went out and 210 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 12:00Z on 2013-06-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 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 12:00Z on 2013-06-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -340 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1820 m above ground
0-6 km bulk shear
58 kt
0-1 km storm-relative helicity
-340 m²/s²
0-3 km storm-relative helicity
-402 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 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 Jun 21, 11:50 AM CDT, 2 hours 33 minutes earlier.

Area forecast discussion, Jun 21, 11:50 AM CDT, 2 hours 33 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LA CROSSE WI
1150 AM CDT FRI JUN 21 2013

.SHORT TERM...(TONIGHT THROUGH SUNDAY NIGHT)
ISSUED AT 214 AM CDT FRI JUN 21 2013

AS SOUTHWEST UPPER FLOW CONTINUES TO ADVECT WARM AIR AND MOISTURE
INTO UPPER MIDWEST...FORECAST CHALLENGE REMAINS TIMING MESOSCALE
CONVECTIVE COMPLEXES. SEEMS LIKE A DIFFICULT TASK AT TIMES ONLY A
FEW HOURS OUT.

UPPER LOW CONTINUES TO SPIN OVER NORTHWEST U.S. WITH LARGE WESTERN
CONUS TROUGH. STEADY LOW LEVEL JET EARLY THIS MORNING AROUND 45 KTS
IS FUELING LARGE CONVECTIVE SYSTEM OVER CENTRAL MINNESOTA. CELLS
STARTED OVERNIGHT A BIT MORE DISCRETELY BUT AS COLD POOL HAS BEEN
DEVELOPING...MORE OF A LINEAR STRUCTURE UNFOLDING WHICH MAY CONTINUE
BUILDING SOUTHEAST ALONG WELL DEFINED WARM FRONT OR BOUNDARY INTO
AREA BEFORE DAYBREAK. LOWER MIXED LAYER CAPE VALUES AND LOWER SHEAR
WOULD SUGGEST SYSTEM COULD WEAKEN AS IT APPROACHES WISCONSIN BUT
WILL HAVE TO MONITOR THIS...WHICH COULD INCLUDE A FEW WARNINGS. HAVE
ALSO BEEN TRACKING BAND OF CONVECTION ACROSS WESTERN WISCONSIN THAT
SEEM TO DEVELOP ALONG MID LEVEL NOSE OF WARMER AIR BUT SEEMS
UNLIKELY THESE WOULD UPSCALE INTO ANYTHING OF SIGNIFICANCE.

MESOSCALE MODELS AND SHORT TERM MODELS CONTINUE TO CHANGE NEARLY AS
QUICKLY AS RADAR IMAGERY WHICH HURTS ANY CONFIDENCE IN THIS
FORECAST. WITH BASIC UPPER AIR PATTERN CHANGING LITTLE...HAVE BEEN
TRYING TO TIME THINGS BASED ON BEST SIGNALS OF MOISTURE TRANSPORT.
THIS TENDS TO INCREASE ACROSS OUR AREA NEXT 48 HOURS SO EXPECT
GRADUAL TREND IN CONVECTIVE SYSTEM DEVELOPMENT ZONE FROM DAKOTAS AND
WESTERN MINNESOTA CLOSER TO UPPER MISSISSIPPI RIVER AREA GOING INTO
WEEKEND. THIS SHOULD BOOST RAIN THREAT AS WELL...BUT EXACTLY WHEN IS
DIFFICULT. PLENTY OF CAPE TO WORK WITH ALTHOUGH DEEPER SHEAR DOES
REMAIN FURTHER NORTHWEST...CLOSER TO DYNAMICS. COULD SEE A BREAK IN
ACTION LATER TODAY BEFORE ADDITIONAL DEVELOPMENT TAKES PLACE AROUND
RIDGE HEADING INTO FRIDAY NIGHT. SAME PATTERN COULD KEEP GOING INTO
SUNDAY NIGHT.

REPEAT ROUNDS OF CONVECTION COULD ALSO LEAD TO PROBLEMATIC FLOOD
THREAT BUT GIVEN UNCERTAINTY OF TRACKS OF THESE SYSTEMS...WILL HAVE
TO MONITOR SHORT TERM CONDITIONS FOR ANY SPECIFIC FOCUS AREAS.

TEMPERATURES SHOULD REMAIN FAIRLY PERSISTENT FROM DAY TO DAY WITH
SUBTLE CHANGES DEPENDING ON HOW MUCH CLOUD DEBRIS IMPACTS HIGHS. DID
DROP HIGHS TODAY NORTH AND EAST OF LA CROSSE WHERE CONFIDENCE IN
CLOUD SHIELD INTO AFTERNOON IS HIGHEST. WARMEST LOW LEVEL
TEMPERATURES COME IN OVER WEEKEND SO DID BOOST HIGHS A FEW DEGREES.

IN ADDITION...DEW POINTS DID NOT RESPOND AS QUICKLY AS EXPECTED ON
THURSDAY...PERHAPS DUE TO RECENT DRY WEATHER...SOURCE REGION OF
AIRMASS...AND IMMATURE CROPS. SCALE BACK CLIMB OF DEW POINTS ANOTHER
24 HOURS BUT OVER TIME AS MORE SOUTHWEST FLOW DEVELOPS...EXPECT THE
LOWER 70 DEGREE DEW POINTS TO ADVECT INTO AREA WITH MUGGY CONDITIONS
BEFORE WEEKEND ENDS. THIS COULD BOOST HEAT INDEX VALUES INTO 95 TO
100 DEGREES AT PEAK HEATING DURING MID TO LATE AFTERNOONS.

.LONG TERM...(SUNDAY NIGHT THROUGH THURSDAY)
ISSUED AT 214 AM CDT FRI JUN 21 2013

LATER FORECAST PERIODS WILL INVOLVE PATTERN SHIFT AS HEIGHTS RISE IN
THE WESTERN CONUS. UPPER LOW OVER NORTHWEST...OR ROUNDS OF SHORT
WAVE ENERGY...WILL EVENTUALLY SHIFT ALONG NORTHERN TIER OF STATES OR
FAR SOUTHERN CANADA AS NORTHWEST FLOW DEVELOPS INTO WESTERN GREAT
LAKES.

AS RIDGE AHEAD OF TROUGH BREAKS DOWN...COULD SEE BOUNDARY EVENTUALLY
SHIFT SOUTH THROUGH AREA WITH EVEN MORE CHANCES OF CONVECTION WELL
INTO EARLY NEXT WEEK. EXPECT COOLING TREND IN THIS SCENARIO AS WELL
BUT COULD BE MORE GRADUAL THAN A SHARP COLD FRONT.

MEDIUM RANGE GUIDANCE SUGGESTS SHORT WAVE TROUGH COULD DROP THROUGH
IN DEVELOPING NORTHWEST FLOW LATE WEDNESDAY INTO THURSDAY MORNING
COULD SPARK YET MORE RAIN SHOWERS BEFORE DRIER...NORTHWEST REGIME
SETS UP AS WESTERN MEAN RIDGE BUILDS TO CLOSE OUT THE MONTH.

&&

.AVIATION...(FOR THE 18Z TAFS THROUGH 18Z SATURDAY AFTERNOON)
ISSUED AT 1150 AM CDT FRI JUN 21 2013

DIFFICULT FORECAST FOR SHRA/TS CHANCES AS VARIOUS SFC
BOUNDARIES...UPPER AIR DISTURBANCES...AND POSITIONING OF THE LOW
LEVEL MOISTURE TRANSPORT ARE ALL GOING TO HAVE A HAND IN WHERE PCPN
DEVELOPS. GIVEN THIS SCENARIO...CONFIDENCE IS LOW IN PINPOINTING THE
SHRA/TS CHANCES OUTSIDE OF A 6 HOUR WINDOW.

THAT SAID...WEST-EAST RUNNING SFC BOUNDARY IS JUST SOUTH OF THE
KRST/KLSE LATE THIS MORNING...AND IS SLATED TO EITHER LINGER THERE
OR MOVE JUST A BIT NORTH. SHRA/TS COULD FIRE ALONG THE BOUNDARY
LATER THIS AFTERNOON...ALTHOUGH LOOKS ISOLD AT THIS TIME. BETTER
CHANCES WILL COME LATER TONIGHT AS A THUNDERSTORM COMPLEX IS
EXPECTED TO DEVELOP OVER THE NORTHERN PLAINS...ROLLING EAST ACROSS
THE REGION TONIGHT. MODELS GENERALLY FAVOR KEEPING IT NORTH
OF I-90...BUT COULD IMPACT KRST/KLSE. AGAIN...WITH CONFIDENCE NOT
HIGH IN TIMING/POSITIONING OF LIKELY CONVECTIVE COMPLEXES...WILL
STAY WITH VCTS/VCSH MENTION. TAFS WILL BE UPDATED AS TRENDS BECOME
CLEARER.

&&

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

SHORT TERM...SHEA
LONG TERM....SHEA
AVIATION.....RIECK
Hazardous weather outlook, Jun 21, 12:50 PM CDT, 1 hour 33 minutes before
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In the hours before

Local storm report, Jun 21, 11:28 AM CDT, 2 hours 55 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LA CROSSE WI
1128 AM CDT FRI JUN 21 2013

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

1124 AM     HEAVY RAIN       2 S OSBORNE             42.77N 91.44W
06/21/2013  M3.17 INCH       CLAYTON            IA   PUBLIC

            STORM TOTAL

&&

DANB
Local storm report, Jun 21, 11:33 AM CDT, 2 hours 50 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE LA CROSSE WI
1133 AM CDT FRI JUN 21 2013

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

1124 AM     HEAVY RAIN       2 S OSBORNE             42.77N 91.44W
06/21/2013  M3.17 INCH       CLAYTON            IA   PUBLIC

            STORM TOTAL

1037 AM     HEAVY RAIN       OSBORNE                 42.80N 91.44W
06/21/2013  M3.50 INCH       CLAYTON            IA   LAW ENFORCEMENT

            STORM TOTAL FROM 8-10 AM.

0907 AM     HEAVY RAIN       OELWEIN                 42.68N 91.91W
06/21/2013  M2.70 INCH       FAYETTE            IA   PUBLIC

            STORM TOTAL HEAVY RAIN DURATION 2 HOURS

0906 AM     HEAVY RAIN       FAYETTE                 42.84N 91.80W
06/21/2013  M1.30 INCH       FAYETTE            IA   PUBLIC

            STORM TOTAL HEAVY RAIN DURATION 2 HOURS

0903 AM     HEAVY RAIN       5 SSW BARRE MILLS       43.78N 91.16W
06/21/2013  M1.54 INCH       LA CROSSE          WI   PUBLIC

            SINCE 7 AM HEAVY RAIN DURATION 2 HOURS

0902 AM     HEAVY RAIN       WINONA                  44.05N 91.66W
06/21/2013  M0.95 INCH       WINONA             MN   PUBLIC

            THROUGH FACEBOOK

0900 AM     HEAVY RAIN       DE SOTO                 43.43N 91.20W
06/21/2013  M2.50 INCH       VERNON             WI   PUBLIC

0900 AM     HEAVY RAIN       VIROQUA                 43.56N 90.89W
06/21/2013  M1.94 INCH       VERNON             WI   PUBLIC

0847 AM     FLASH FLOOD      1 WNW OELWEIN           42.68N 91.93W
06/21/2013                   FAYETTE            IA   911 CALL CENTER

            1.92 INCHES OF RAIN. SEVERAL ROUTES CLOSED
            DUE TO FLASH FLOODING. IN ADDITION...THERE
            WAS SOME FIELD FLOODING.

0846 AM     HEAVY RAIN       FAYETTE                 42.84N 91.80W
06/21/2013  M1.30 INCH       FAYETTE            IA   PUBLIC

            FELL WITHIN LAST HOUR

0844 AM     HEAVY RAIN       LA FARGE                43.57N 90.64W
06/21/2013  M1.62 INCH       VERNON             WI   COOP OBSERVER

            SINCE 7 AM HEAVY RAIN DURATION 2 HOURS

0842 AM     HAIL             STRAWBERRY POINT        42.68N 91.54W
06/21/2013  M0.75 INCH       CLAYTON            IA   TRAINED SPOTTER

0826 AM     HAIL             5 E OELWEIN             42.68N 91.82W
06/21/2013  M1.00 INCH       FAYETTE            IA   EMERGENCY MNGR

0825 AM     TSTM WND DMG     PLATTEVILLE             42.74N 90.48W
06/21/2013                   GRANT              WI   LAW ENFORCEMENT

            SEVERAL TREES BLOWN DOWN

0824 AM     FLOOD            PATCH GROVE             42.94N 90.97W
06/21/2013                   GRANT              WI   EMERGENCY MNGR

            WATER OVER HIGHWAY 35 NEAR FULLER HOLLOW.

0824 AM     FLASH FLOOD      3 S WAUCOMA             43.01N 92.03W
06/21/2013                   FAYETTE            IA   911 CALL CENTER

            COCORAHS OBSERVER REPORTED 2.12 INCHES OF
            RAIN WITHIN AN HOUR WITH SOME MINOR
            FLOODING.

0813 AM     HAIL             1 N DECORAH             43.32N 91.79W
06/21/2013  E0.75 INCH       WINNESHIEK         IA   BROADCAST MEDIA

            KCWI DES MOINES VIEWER REPORTED GRAPE SIZE
            HAIL

0813 AM     HEAVY RAIN       1 N DECORAH             43.32N 91.79W
06/21/2013  M3.00 INCH       WINNESHIEK         IA   BROADCAST MEDIA

            REPORTED BY KCWI DES MOINES VIEWER

0813 AM     LIGHTNING        HOLMEN                  43.96N 91.26W
06/21/2013                   LA CROSSE          WI   PUBLIC

            2 POWER POLES STRUCK BY LIGHTNING THROUGH
            FACEBOOK

0812 AM     HAIL             ST. OLAF                42.93N 91.39W
06/21/2013  E0.50 INCH       CLAYTON            IA   LAW ENFORCEMENT

            PEA TO MARBLE SIZE HAIL. WIND GUSTS 30-40
            MPH.

0806 AM     TSTM WND DMG     GUTTENBERG              42.79N 91.10W
06/21/2013                   CLAYTON            IA   LAW ENFORCEMENT

            COUPLE OF TREES AND SEVERAL LARGE BRANCHES
            BLOWN DOWN

0805 AM     FLASH FLOOD      1 S GENOA               44.10N 92.62W
06/21/2013                   OLMSTED            MN   BROADCAST MEDIA

            WKBT VIEWER RPEORTED A MINOR MUD SLIDE ON
            HIGHWAY 35. COMFIRMED BY VERNON COUNTY
            SHERIFF DEPARTMENT.

0805 AM     FLASH FLOOD      CHASEBURG               43.65N 91.10W
06/21/2013                   VERNON             WI   LAW ENFORCEMENT

            STREET FLOODING

0800 AM     FLASH FLOOD      WESTBY                  43.65N 90.86W
06/21/2013                   VERNON             WI   LAW ENFORCEMENT

            STREET FLOODING

0800 AM     FLASH FLOOD      VIROQUA                 43.56N 90.89W
06/21/2013                   VERNON             WI   LAW ENFORCEMENT

            STREET FLOODING

0755 AM     HAIL             WAUCOMA                 43.06N 92.03W
06/21/2013  E0.50 INCH       FAYETTE            IA   BROADCAST MEDIA

0754 AM     TSTM WND GST     RICHLAND CENTER         43.34N 90.38W
06/21/2013  E35 MPH          RICHLAND           WI   TRAINED SPOTTER

            SMALL TREE DOWN OFF HIGHWAY 14 ON WEST SIDE
            OF CITY.

0745 AM     TSTM WND GST     4 SE STEUBEN            43.14N 90.80W
06/21/2013  M50 MPH          CRAWFORD           WI   CO-OP OBSERVER

0745 AM     FLASH FLOOD      DECORAH                 43.31N 91.79W
06/21/2013                   WINNESHIEK         IA   911 CALL CENTER

            FLASH FLOODING FROM QUICK RUNOFF AROUND
            COUNTY

0742 AM     TSTM WND DMG     MUSCODA                 43.19N 90.43W
06/21/2013                   GRANT              WI   LAW ENFORCEMENT

            SEVERAL TREES BLOWN DOWN

0735 AM     TSTM WND GST     PRAIRIE DU CHIEN        43.04N 91.14W
06/21/2013  E60 MPH          CRAWFORD           WI   NWS EMPLOYEE

            1 FT DIAMETER TREE LIMBS DOWN. ROAD CLOSED
            DUE TO WATER OVER THE ROAD.

0735 AM     HEAVY RAIN       MOUNT ZION              43.26N 90.73W
06/21/2013  M1.36 INCH       CRAWFORD           WI   PUBLIC

            STORM TOTAL.

0731 AM     TSTM WND GST     BOSCOBEL                43.14N 90.70W
06/21/2013  M58 MPH          GRANT              WI   ASOS

0731 AM     TSTM WND GST     2 NE BOSCOBEL           43.16N 90.67W
06/21/2013  M58 MPH          GRANT              WI   ASOS

            ASOS STATION BOSCOBEL AIRPORT /OVS/

0731 AM     TSTM WND DMG     BOSCOBEL                43.14N 90.70W
06/21/2013                   GRANT              WI   LAW ENFORCEMENT

            TREE BLOWN DOWN

0730 AM     TSTM WND GST     2 E LA CROSSE           43.81N 91.21W
06/21/2013  M41 MPH          LA CROSSE          WI   OFFICIAL NWS OBS

0730 AM     FLASH FLOOD      LA CROSSE               43.83N 91.23W
06/21/2013                   LA CROSSE          WI   BROADCAST MEDIA

            STREET FLOODING AT CASS STREET AND LOSEY
            BLVD...COPELAND AVE AND MONITOR
            STREET...MORMOM COULEE RD NEAR
            SHOKKO...STATE STREET AND 17TH...LOSEY BLVD
            AND WARD...NORTH LOSEY BETWEEN MAIN AND LA
            CROSSE...15TH AND CASS...AND GREEN PARKING
            RAMP LOWER LEVEL AT GUNDERSON.

0723 AM     HAIL             WEST UNION              42.96N 91.81W
06/21/2013  E0.25 INCH       FAYETTE            IA   EMERGENCY MNGR

0710 AM     TSTM WND DMG     BELL CENTER             43.29N 90.83W
06/21/2013                   CRAWFORD           WI   BROADCAST MEDIA

            KWWL REPORTED POWER LINES BLOWN DOWN

0703 AM     HEAVY RAIN       3 SW RENO               43.57N 91.32W
06/21/2013  M2.35 INCH       HOUSTON            MN   TRAINED SPOTTER

0700 AM     HEAVY RAIN       LA CROSSE               43.81N 91.25W
06/21/2013  M1.95 INCH       LA CROSSE          WI   AMATEUR RADIO

            SOUTH SIDE OF TOWN. 1.2 FELL IN 30 MIN

0655 AM     TSTM WND DMG     WESTBY                  43.65N 90.86W
06/21/2013                   VERNON             WI   LAW ENFORCEMENT

            COUPLE OF TREES AND POWERLINES BLOWN DOWN

0652 AM     HAIL             ROCHESTER               44.01N 92.48W
06/21/2013  E1.00 INCH       OLMSTED            MN   BROADCAST MEDIA

            KTTC VIEWER REPORTED QUARTER SIZE HAIL IN
            NORTHEAST ROCHESTER

0651 AM     HEAVY RAIN       4 E LOYAL               44.74N 90.41W
06/21/2013  M1.50 INCH       CLARK              WI   TRAINED SPOTTER

0644 AM     HAIL             SPRING GROVE            43.56N 91.64W
06/21/2013  E0.25 INCH       HOUSTON            MN   PUBLIC

0642 AM     TSTM WND DMG     AUSTIN                  43.67N 92.97W
06/21/2013                   MOWER              MN   BROADCAST MEDIA

            KAAL AUSTIN VIEWER REPORTED A POWER OUTAGE
            IN AUSTIN DUE TO DOWNED TREE ON A POWERLINE.

0641 AM     TSTM WND DMG     1 N GENOA               44.13N 92.62W
06/21/2013                   OLMSTED            MN   BROADCAST MEDIA

            WKBT VIEWER REPORTED TREE BLOWN DOWN ON TO
            POWERLINE

0640 AM     TSTM WND GST     4 NNE STODDARD          43.71N 91.19W
06/21/2013  E50 MPH          VERNON             WI   NWS EMPLOYEE

            LASTED 5 MIN

0636 AM     HAIL             ROCHESTER               44.01N 92.48W
06/21/2013  M0.25 INCH       OLMSTED            MN   BROADCAST MEDIA

            KTTC VIEWER REPORTED PEA SIZE HAIL IN
            SOUTHEAST ROCHESTER

0632 AM     TSTM WND GST     4 E LOYAL               44.74N 90.41W
06/21/2013  E50 MPH          CLARK              WI   TRAINED SPOTTER

0630 AM     HAIL             2 E LA CROSSE           43.83N 91.19W
06/21/2013  E0.25 INCH       LA CROSSE          WI   NWS EMPLOYEE

0630 AM     TSTM WND DMG     WEST SALEM              43.90N 91.08W
06/21/2013                   LA CROSSE          WI   NWS EMPLOYEE

            SEVERAL LARGE BRANCHES BLOWN DOWN

0626 AM     TSTM WND GST     WEST SALEM              43.90N 91.08W
06/21/2013  E55 MPH          LA CROSSE          WI   NWS EMPLOYEE

0625 AM     TSTM WND GST     ONALASKA                43.89N 91.22W
06/21/2013  E45 MPH          LA CROSSE          WI   TRAINED SPOTTER

            STREET FLOODING AROUND OMNI CENTER

0623 AM     TSTM WND DMG     2 E LA CROSSE           43.83N 91.19W
06/21/2013                   LA CROSSE          WI   NWS EMPLOYEE

            SEVERAL LARGE BRANCHES BLOWN DOWN AT FOREST
            HILLS GOLF COURSE AND ALONG BLISS ROAD.

0623 AM     TSTM WND DMG     2 S LA CROSSE           43.80N 91.23W
06/21/2013                   LA CROSSE          WI   PUBLIC

            A COUPLE OF TREES BLOW DOWN

0622 AM     TSTM WND DMG     FRENCH ISLAND           43.86N 91.26W
06/21/2013                   LA CROSSE          WI   PUBLIC

            PONTOON BOAT FLIPPED UPSIDE DOWN IN LAKE
            ONALASKA

0622 AM     TSTM WND DMG     LA CRESCENT             43.83N 91.30W
06/21/2013                   HOUSTON            MN   PUBLIC

            SEVERAL TREES BLOWN DOWN NEAR BLUFF DRIVE
            AND NORTH RIDGE THROUGH FACEBOOK

0620 AM     HAIL             TOMAH                   43.99N 90.50W
06/21/2013  E0.88 INCH       MONROE             WI   AMATEUR RADIO

0620 AM     TSTM WND GST     FRENCH ISLAND           43.86N 91.26W
06/21/2013  M43 MPH          LA CROSSE          WI   ASOS

0619 AM     HAIL             TOMAH                   43.99N 90.50W
06/21/2013  E0.25 INCH       MONROE             WI   PUBLIC

0614 AM     TSTM WND GST     3 NW HOLMEN             43.99N 91.30W
06/21/2013  E55 MPH          LA CROSSE          WI   NWS EMPLOYEE

0613 AM     HAIL             1 SW GALESVILLE         44.07N 91.37W
06/21/2013  E0.25 INCH       TREMPEALEAU        WI   PUBLIC

0612 AM     HAIL             4 N HOLMEN              44.01N 91.26W
06/21/2013  E0.75 INCH       LA CROSSE          WI   NWS EMPLOYEE

0603 AM     TSTM WND GST     4 N HOLMEN              44.01N 91.26W
06/21/2013  E50 MPH          LA CROSSE          WI   NWS EMPLOYEE

0600 AM     HAIL             2 SSE ROCHESTER         43.99N 92.46W
06/21/2013  E0.75 INCH       OLMSTED            MN   BROADCAST MEDIA

0554 AM     HAIL             4 SSW ROCHESTER         43.96N 92.51W
06/21/2013  M0.50 INCH       OLMSTED            MN   ASOS

0552 AM     HAIL             4 SSW ROCHESTER         43.96N 92.51W
06/21/2013  E0.50 INCH       OLMSTED            MN   FIRE DEPT/RESCUE

0552 AM     HAIL             STEWARTVILLE            43.86N 92.49W
06/21/2013  E0.75 INCH       OLMSTED            MN   PUBLIC

            VIA TWITTER

0549 AM     TSTM WND GST     AUSTIN                  43.67N 92.97W
06/21/2013  E40 MPH          MOWER              MN   BROADCAST MEDIA

            FROM KAAL TELEVISION

0545 AM     HAIL             ROCHESTER               44.01N 92.48W
06/21/2013  E0.88 INCH       OLMSTED            MN   TRAINED SPOTTER

0531 AM     TSTM WND GST     2 S KELLOGG             44.28N 92.00W
06/21/2013  E55 MPH          WABASHA            MN   TRAINED SPOTTER

            ALSO DIME SIZED HAIL

0530 AM     TSTM WND GST     LA CROSSE               43.81N 91.25W
06/21/2013  M46 MPH          LA CROSSE          WI   AMATEUR RADIO

            SOUTH SIDE OF TOWN NEAR WAL MART

0530 AM     TSTM WND DMG     ROCHESTER               44.01N 92.48W
06/21/2013                   OLMSTED            MN   PUBLIC

            LARGE TREE BLOWN DOWN IN THE MIDDLE OF THE
            ROAD ON 25TH AVENUE AND 55TH STREET
            NORTHWEST

0505 AM     TSTM WND DMG     MONDOVI                 44.57N 91.67W
06/21/2013                   BUFFALO            WI   EMERGENCY MNGR

            TREES AND POWER LINE DOWN NE SIDE OF
            MONDOVI. MEASURED 55 MPH GUST BY FIRE CHIEF.

&&

BAUMGARDT/SHEA/JW/TS/DS/TR/JB
Local storm report, Jun 21, 11:49 AM CDT, 2 hours 34 minutes before
PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE LA CROSSE WI
1149 AM CDT FRI JUN 21 2013

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

0805 AM     FLASH FLOOD      1 S GENOA               43.56N 91.23W
06/21/2013                   VERNON             WI   BROADCAST MEDIA

            WKBT VIEWER RPEORTED A MINOR MUD SLIDE ON HIGHWAY 35.
            COMFIRMED BY VERNON COUNTY SHERIFF DEPARTMENT.

&&

DANB
Local storm report, Jun 21, 12:38 PM CDT, 1 hour 45 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LA CROSSE WI
1238 PM CDT FRI JUN 21 2013

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

1238 PM     HEAVY RAIN       WEST UNION              42.96N 91.81W
06/21/2013  M3.00 INCH       FAYETTE            IA   PUBLIC

            HEAVY RAIN DURATION 24 HOURS

&&

IRIS SYSTEM
Local storm report, Jun 21, 1:06 PM CDT, 1 hour 17 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LA CROSSE WI
106 PM CDT FRI JUN 21 2013

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

0104 PM     HEAVY RAIN       WADENA                  42.84N 91.66W
06/21/2013  M1.70 INCH       FAYETTE            IA   PUBLIC

            HEAVY RAIN DURATION 24 HOURS

&&

IRIS SYSTEM
Local storm report, Jun 21, 1:45 PM CDT, 38 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LA CROSSE WI
145 PM CDT FRI JUN 21 2013

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

0435 AM     HAIL             5 NE PLAINVIEW          44.22N 92.10W
06/21/2013  M0.88 INCH       WABASHA            MN   TRAINED SPOTTER

            HIGHLAND TOWNSHIP SPOTTER

&&

DAS

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 21, 5:06 AM CDTSevere Thunderstorm WarningARXBuffalo54 min
Jun 21, 6:36 AM CDTAreal Flood AdvisoryARXLa Crosse54 min
Jun 21, 7:11 AM CDTFlash Flood WarningARXCrawford4 hr
Jun 21, 7:37 AM CDTAreal Flood AdvisoryARXLa Crosse3 hr
Jun 21, 7:38 AM CDTSevere Thunderstorm WarningARXCrawford, Grant, Richland52 min
Jun 21, 8:03 AM CDTSevere Thunderstorm WarningARXGrant42 min
Jun 21, 8:17 AM CDTAreal Flood AdvisoryARXGrant2 hr
Jun 21, 8:31 AM CDTFlash Flood WarningARXGrant3 hr
Jun 21, 10:26 AM CDTRiver Flood WarningARXJackson3 days
Jun 21, 10:26 AM CDTRiver Flood WarningARXLa Crosse, Trempealeau5 days
Jun 21, 10:26 AM CDTRiver Flood WarningARXCrawford, Vernon47 hr
Jun 21, 2:48 PM CDTRiver Flood WarningARXCrawford7 days

Nearby

Flash Flood Watches in Wisconsin, 2013Flash Flood Watches in Iowa, 2013Flash Flood Watches in Minnesota, 2013Every flash flood watch in 2013

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.