Alert archive / Wisconsin / Special Weather Statements in 2017

Special Weather Statement, NWS La Crosse, WI

June 15, 2017Crawford County, Wisconsin

NWS La Crosse, WI issued this special weather statement at Jun 15, 2017, 9:37 PM CDT for Crawford County, Wisconsin. It was in force for 23 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jun 15, 2017, 9:37 PM CDT (02:37 UTC)
Expired
Jun 15, 2017, 10:00 PM CDT
In force
23 min
Issued by
NWS La Crosse, WI

County Crawford County, WI

The radar

The La Crosse radar (KARX), 85 km from the middle of the area, began a volume at 02:39 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

Davenport, (KDVN), launched 00:00Z, 2.6 hours before the alert went out and 166 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, Davenport, at 00:00Z on 2017-06-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 673 joules per kilogram.LCLEL10008507005003002001001 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, Davenport, at 00:00Z on 2017-06-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 41 square meters per square second.193958Sfc1 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
673 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
2450 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
41 m²/s²
0-3 km storm-relative helicity
99 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.1

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Jun 15, 8:59 PM CDT, 38 minutes earlier.

Area forecast discussion, Jun 15, 8:59 PM CDT, 38 minutes before
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Hazardous weather outlook, Jun 15, 1:40 PM CDT, 7 hours 57 minutes before
Hazardous Weather Outlook
National Weather Service La Crosse WI
140 PM CDT Thu Jun 15 2017

MNZ079-086>088-094>096-WIZ017-029-032>034-041>044-053-161845-
Wabasha-Dodge-Olmsted-Winona-Mower-Fillmore-Houston-Taylor-Clark-
Buffalo-Trempealeau-Jackson-La Crosse-Monroe-Juneau-Adams-Vernon-
140 PM CDT Thu Jun 15 2017

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

.DAY ONE...Today and Tonight

Isolated thunderstorms are possible later this afternoon and
evening south of interstate 90. An isolated strong or severe
storm cannot be ruled out with large hail and damaging winds the
main threats.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

There are chances for thunderstorms much of Friday through
Tuesday.

A few of the storms Friday afternoon and evening across
northeast Iowa and nearby areas could be strong, with gusty winds
and small hail.

A few of the storms Saturday afternoon and evening could be
strong to severe, especially across northeast Iowa and far
southwest Wisconsin. The main threats would be damaging winds and
large hail.

The main threat from any storms Sunday, Monday and Tuesday looks
to be lightning.

.SPOTTER INFORMATION STATEMENT...

No action needed today or tonight. As details become clearer, a
few spotter groups may be needed Saturday afternoon and evening.

.EMERGENCY MANAGEMENT COORDINATION...

No webinar is scheduled.

IAZ008>011-018-019-029-030-WIZ054-055-061-161845-
Mitchell-Howard-Winneshiek-Allamakee-Floyd-Chickasaw-Fayette-
Clayton-Crawford-Richland-Grant-
140 PM CDT Thu Jun 15 2017

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

.DAY ONE...This Afternoon and Tonight

Chances have increased for strong to severe storms. Scattered
thunderstorms are possible late this afternoon and evening. If
these storms form, a few storms could be severe with the main
threats being large hail, damaging winds, and lightning.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

There are chances for thunderstorms much of Friday through
Tuesday.

A few of the storms Friday afternoon and evening across
northeast Iowa and nearby areas could be strong, with gusty winds
and small hail.

A few of the storms Saturday afternoon and evening could be
strong to severe, especially across northeast Iowa and far
southwest Wisconsin. The main threats would be damaging winds and
large hail.

The main threat from any storms Sunday, Monday and Tuesday looks
to be lightning.

.SPOTTER INFORMATION STATEMENT...

Isolated activation cannot be ruled out later today and early
evening. As details become clearer, a few spotter groups may be
needed Saturday afternoon and evening.

.EMERGENCY MANAGEMENT COORDINATION...

No webinar is scheduled.

Baumgardt

In the hours before

Special weather statement, Jun 15, 6:14 PM CDT, 3 hours 23 minutes before
Special Weather Statement
National Weather Service La Crosse WI
614 PM CDT THU JUN 15 2017

IAZ018-019-152345-
Floyd-Chickasaw-
614 PM CDT THU JUN 15 2017

...A STRONG TO SEVERE THUNDERSTORM WILL AFFECT SOUTHERN CHICKASAW
COUNTY...

At 612 PM CDT, a strong to severe thunderstorm was located near
Clarksville, or 11 miles northwest of Waverly, moving east at 35 mph.

Winds in excess of 40 mph and quarter size hail or larger are
possible with this strong to severe thunderstorm.

Locations impacted include...
Fredericksburg, Highway 18 And County V 56 and Republic.

Prepare now for possible severe weather. Move indoors and if a
warning is issued, take actions to protect life and property.

LAT...LON 4299 9208 4291 9208 4291 9274
TIME...MOT...LOC 2312Z 249DEG 32KT 4285 9261

Wetenkamp
Special weather statement, Jun 15, 6:52 PM CDT, 2 hours 45 minutes before
Special Weather Statement
National Weather Service La Crosse WI
652 PM CDT THU JUN 15 2017

IAZ029-160015-
Fayette-
652 PM CDT THU JUN 15 2017

...A STRONG TO SEVERE THUNDERSTORM WILL AFFECT CENTRAL FAYETTE
COUNTY...

At 651 PM CDT, a severe thunderstorm was located near Sumner, or 14
miles southeast of New Hampton, moving east at 35 mph.

Winds in excess of 50 mph and quarter size hail or larger are
possible with this strong to severe thunderstorm.

Locations possibly impacted include...West Union, Fayette, Elgin,
Clermont, Hawkeye, Wadena, Randalia, Albany, Volga River State Park,
Brainard, Douglas, Donnan, Montauk Historic Site, Highway 93 And
County V 68 and Richfield.

Prepare now for possible severe weather. Move indoors and if a
warning is issued, take actions to protect life and property.

LAT...LON 4282 9208 4298 9208 4306 9162 4281 9162
TIME...MOT...LOC 2351Z 249DEG 29KT 4290 9214

Wetenkamp
Special weather statement, Jun 15, 7:11 PM CDT, 2 hours 26 minutes before
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Special weather statement, Jun 15, 7:35 PM CDT, 2 hours 2 minutes before
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Special weather statement, Jun 15, 9:37 PM CDT, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jun 15, 10:04 PM CDTSpecial Weather StatementARXGrant41 min
Jun 16, 5:44 PM CDTSevere Thunderstorm WarningARXBuffalo, Trempealeau46 min
Jun 16, 5:50 PM CDTSevere Thunderstorm WarningARXBuffalo40 min
Jun 16, 6:07 PM CDTSevere Thunderstorm WarningARXLa Crosse, Trempealeau28 min
Jun 16, 6:16 PM CDTSevere Thunderstorm WarningARXTrempealeau44 min
Jun 16, 6:28 PM CDTSevere Thunderstorm WarningARXBuffalo, Trempealeau47 min
Jun 16, 6:32 PM CDTSevere Thunderstorm WarningARXBuffalo, Trempealeau43 min
Jun 16, 6:54 PM CDTSevere Thunderstorm WarningARXLa Crosse, Monroe, Vernon51 min
Jun 15, 7:05 PM CDTSevere Thunderstorm WarningARXChickasaw, Fayette41 min
Jun 15, 7:11 PM CDTSpecial Weather StatementARXClayton34 min
Jun 15, 7:35 PM CDTSpecial Weather StatementARXFayette25 min
Jun 16, 4:14 PM CDTSpecial Weather StatementARXFloyd, Mitchell2 hr
Jun 16, 4:48 PM CDTSevere Thunderstorm WarningARXOlmsted42 min
Jun 16, 4:54 PM CDTSevere Thunderstorm WarningARXFillmore51 min
Jun 16, 4:57 PM CDTSevere Thunderstorm WarningARXFillmore, Olmsted, Winona48 min
Jun 16, 5:21 PM CDTSevere Thunderstorm WarningARXWinona39 min
Jun 16, 5:44 PM CDTSevere Thunderstorm WarningARXFillmore, Houston, Winona61 min
Jun 16, 6:12 PM CDTSevere Thunderstorm WarningARXFillmore, Houston63 min
Jun 16, 6:28 PM CDTSevere Thunderstorm WarningARXFillmore, Houston, Winona47 min
Jun 16, 6:46 PM CDTSevere Thunderstorm WarningARXHouston, Winona29 min

Nearby

Special Weather Statements in Wisconsin, 2017Every special weather statement 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.