Alert archive / Wisconsin / Special Weather Statements in 2023

Special Weather Statement, NWS La Crosse, WI

July 14, 2023Lafayette County, Wisconsin

NWS La Crosse, WI issued this special weather statement at Jul 14, 2023, 5:11 AM CDT for Lafayette County, Wisconsin. It was in force for 19 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: Jul 14, 2023, 5:11 AM CDT (10:11 UTC)
Expired: Jul 14, 2023, 5:30 AM CDT
In force: 19 min
Issued by: NWS La Crosse, WI
Hail: 0.88 in
Wind: 30

County Lafayette County, WI

The radar

The Quad Cities radar (KDVN), 112 km from the middle of the area, began a volume at 10:12 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, 10.2 hours before the alert went out and 110 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: 716 J/kg
Mixed-layer CIN: -28 J/kg
Mixed-layer LCL: 1322 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 55 m²/s²
0-3 km storm-relative helicity: 47 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 1.7

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 Jul 14, 4:27 AM CDT, 44 minutes earlier.

Area forecast discussion, Jul 14, 4:27 AM CDT, 44 minutes before

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Hazardous weather outlook, Jul 13, 1:17 PM CDT, 15 hours 54 minutes before

Hazardous Weather Outlook
National Weather Service La Crosse WI
117 PM CDT Thu Jul 13 2023

IAZ008>011-018-019-029-030-MNZ079-086>088-094>096-WIZ017-029-
032>034-041>044-053>055-061-141445-
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-
117 PM CDT Thu Jul 13 2023

This Hazardous Weather Outlook is for portions of northeast
Iowa...southeast Minnesota...central Wisconsin...north central
Wisconsin...southwest Wisconsin and west central Wisconsin.

.DAY ONE...This Afternoon and Tonight

Some thunderstorms will be possible through tonight. There is the
potential for a few strong to severe storms late this evening into
the overnight across parts of southeast Minnesota. Damaging winds
should be the main threat with this activity.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

There will be periodic chances for storms from Friday through
early next week. The threat for severe weather remains uncertain
at this time.

.SPOTTER INFORMATION STATEMENT...

Any wind or hail reports tonight would be appreciated.

.EMERGENCY MANAGEMENT COORDINATION...

No webinar is scheduled.

In the hours before

Local storm report, Jul 14, 12:39 AM CDT, 4 hours 32 minutes before

Preliminary Local Storm Report
National Weather Service La Crosse WI
1239 AM CDT Fri Jul 14 2023

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

1219 AM     Hail             Stockton                44.03N 91.77W
07/14/2023  M1.50 inch       Winona             MN   Law Enforcement

            Relayed by Emergency Management.

&&

CZ

Local storm report, Jul 14, 12:51 AM CDT, 4 hours 20 minutes before

Preliminary Local Storm Report
National Weather Service La Crosse WI
1251 AM CDT Fri Jul 14 2023

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

1229 AM     Hail             Wilson                  43.96N 91.68W
07/14/2023  M1.00 inch       Winona             MN   Law Enforcement

            Relayed by Emergency Management.

&&

CZ

Special weather statement, Jul 14, 1:36 AM CDT, 3 hours 35 minutes before

Special Weather Statement
National Weather Service La Crosse WI
136 AM CDT Fri Jul 14 2023

WIZ042-043-053-055-140700-
Juneau WI-Richland WI-Vernon WI-Monroe WI-
136 AM CDT Fri Jul 14 2023

...Strong thunderstorms will impact portions of southwestern Juneau,
northeastern Vernon, northeastern Richland and southeastern Monroe
Counties through 200 AM CDT...

At 136 AM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from Elroy to 10 miles southeast of La Farge.
Movement was southeast at 50 mph.

HAZARD...Wind gusts up to 50 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects.

Strong thunderstorms will be near...
  Wonewoc around 140 AM CDT.

Other locations impacted by these storms include County Roads D And N
N, Bartons Corners, Loyd, Bunker Hill, Germantown, Glendale, Highway
80 And County C C, Woodstock, Bloom City and Benders Corners.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 4364 9031 4356 9031 4355 9019 4338 9019
      4354 9064 4381 9041 4364 8981
TIME...MOT...LOC 0636Z 294DEG 42KT 4373 9027 4348 9049

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...50 MPH

CZ

Local storm report, Jul 14, 2:05 AM CDT, 3 hours 6 minutes before

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Local storm report, Jul 14, 2:22 AM CDT, 2 hours 49 minutes before

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Special weather statement, Jul 14, 5:11 AM CDT, 0 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
Jul 13, 11:18 PM CDT	Severe Thunderstorm Warning	ARX	Buffalo	42 min
Jul 14, 12:15 AM CDT	Severe Thunderstorm Warning Considerable damage threat	ARX	La Crosse, Vernon	58 min
Jul 14, 1:36 AM CDT	Special Weather Statement	ARX	Sauk	24 min
Jul 14, 1:55 AM CDT	Severe Thunderstorm Warning	ARX	Crawford, Grant	30 min
Jul 14, 5:47 PM CDT	Special Weather Statement	ARX	Clark	43 min
Jul 14, 5:56 PM CDT	Severe Thunderstorm Warning	ARX	Clark	49 min
Jul 14, 6:29 PM CDT	Severe Thunderstorm Warning	ARX	Clark	48 min
Jul 13, 10:03 PM CDT	Severe Thunderstorm Warning	ARX	Chickasaw	42 min
Jul 13, 10:24 PM CDT	Severe Thunderstorm Warning	ARX	Fayette	66 min
Jul 13, 11:46 PM CDT	Severe Thunderstorm Warning Considerable damage threat	ARX	Winona	44 min

Nearby

Special Weather Statements in Wisconsin, 2023 Every special weather statement in 2023

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.