Alert archive / Minnesota / Special Weather Statements in 2023

Special Weather Statement, NWS La Crosse, WI

September 23, 2023Mower County, Minnesota

NWS La Crosse, WI issued this special weather statement at Sep 23, 2023, 7:37 AM CDT for Mower County, Minnesota. It was in force for 53 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: Sep 23, 2023, 7:37 AM CDT (12:37 UTC)
Expired: Sep 23, 2023, 8:30 AM CDT
In force: 53 min
Issued by: NWS La Crosse, WI
Hail: 0.50 in
Wind: 30

County Mower County, MN

The radar

The La Crosse radar (KARX), 134 km from the middle of the area, began a volume at 12:37 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, 0.6 hours before the alert went out and 142 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: 75 J/kg
Mixed-layer CIN: -165 J/kg
Mixed-layer LCL: 612 m above ground
0-6 km bulk shear: 19 kt
0-1 km storm-relative helicity: 19 m²/s²
0-3 km storm-relative helicity: 19 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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 Sep 23, 6:49 AM CDT, 48 minutes earlier.

Area forecast discussion, Sep 23, 6:49 AM CDT, 48 minutes before

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Hazardous weather outlook, Sep 23, 5:47 AM CDT, 1 hour 50 minutes before

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In the hours before

Local storm report, Sep 23, 6:54 AM CDT, 43 minutes before

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Local storm report, Sep 23, 7:16 AM CDT, 21 minutes before

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Special weather statement, Sep 23, 7:37 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
Sep 23, 3:18 PM CDT	Special Weather Statement	ARX	Mitchell	42 min
Sep 23, 4:01 PM CDT	Special Weather Statement	ARX	Mower	44 min
Sep 23, 4:33 PM CDT	Special Weather Statement	ARX	Olmsted	27 min
Sep 23, 4:58 PM CDT	Special Weather Statement	ARX	Wabasha	32 min
Sep 23, 5:03 PM CDT	Severe Thunderstorm Warning	ARX	Olmsted, Wabasha	23 min
Sep 23, 5:29 PM CDT	Special Weather Statement	ARX	Winona	31 min

Nearby

Special Weather Statements in Minnesota, 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.