Alert archive / Minnesota / Special Weather Statements in 2017

Special Weather Statement, NWS La Crosse, WI

June 13, 20174 counties in Iowa; 5 counties in Minnesota

NWS La Crosse, WI issued this special weather statement at Jun 13, 2017, 11:56 PM CDT for 4 counties in Iowa; 5 counties in Minnesota. It was in force for 79 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 13, 2017, 11:56 PM CDT (04:56 UTC)
Expired: Jun 14, 2017, 1:15 AM CDT
In force: 79 min
Issued by: NWS La Crosse, WI

Counties Chickasaw County, IA, Floyd County, IA, Howard County, IA, Mitchell County, IA, Dodge County, MN, Fillmore County, MN, Mower County, MN, Olmsted County, MN, Wabasha County, MN

The radar

The La Crosse radar (KARX), 90 km from the middle of the area, began a volume at 04:59 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, 4.9 hours before the alert went out and 141 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: 2418 J/kg
Mixed-layer CIN: -23 J/kg
Mixed-layer LCL: 1530 m above ground
0-6 km bulk shear: 21 kt
0-1 km storm-relative helicity: 117 m²/s²
0-3 km storm-relative helicity: 373 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 Jun 13, 11:41 PM CDT, 15 minutes earlier.

Area forecast discussion, Jun 13, 11:41 PM CDT, 15 minutes before

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Hazardous weather outlook, Jun 13, 5:39 PM CDT, 6 hours 17 minutes before

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In the hours before

Special weather statement, Jun 13, 11:56 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.

Issued	Product	Office	Counties	Lasted
Jun 14, 2:25 AM CDT	Special Weather Statement	ARX	Buffalo, Trempealeau	65 min
Jun 14, 11:28 AM CDT	Special Weather Statement	ARX	Crawford, Grant, Richland, Vernon	77 min
Jun 14, 12:08 PM CDT	Special Weather Statement	ARX	Crawford, Grant, Juneau, Monroe, Richland, Vernon	52 min
Jun 14, 12:49 PM CDT	Special Weather Statement	ARX	Monroe, Richland	56 min
Jun 14, 1:04 PM CDT	Severe Thunderstorm Warning	ARX	Monroe, Richland, Vernon	41 min
Jun 14, 1:18 PM CDT	Severe Thunderstorm Warning	ARX	Juneau	42 min
Jun 14, 1:42 PM CDT	Special Weather Statement	ARX	Adams	33 min
Jun 14, 2:04 PM CDT	Severe Thunderstorm Warning	ARX	Adams	26 min
Jun 14, 6:03 PM CDT	Special Weather Statement	ARX	Grant	42 min
Jun 14, 6:08 PM CDT	Severe Thunderstorm Warning	ARX	Grant	36 min
Jun 14, 1:28 AM CDT	Special Weather Statement	ARX	Chickasaw, Howard, Mitchell	62 min

Nearby

Special Weather Statements in Minnesota, 2017 Special Weather Statements in Iowa, 2017 Every 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.