Alert archive / Iowa / Special Weather Statements in 2016

Special Weather Statement, NWS La Crosse, WI

June 30, 2016Mitchell County, Iowa

NWS La Crosse, WI issued this special weather statement at Jun 30, 2016, 11:52 AM CDT for Mitchell County, Iowa. It was in force for 38 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 30, 2016, 11:52 AM CDT (16:52 UTC)
Expired: Jun 30, 2016, 12:30 PM CDT
In force: 38 min
Issued by: NWS La Crosse, WI

County Mitchell County, IA

The radar

The La Crosse radar (KARX), 137 km from the middle of the area, began a volume at 16:55 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, 4.9 hours before the alert went out and 176 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: 1086 J/kg
Mixed-layer CIN: -31 J/kg
Mixed-layer LCL: 697 m above ground
0-6 km bulk shear: 31 kt
0-1 km storm-relative helicity: 59 m²/s²
0-3 km storm-relative helicity: 45 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 30, 6:54 AM CDT, 4 hours 58 minutes earlier.

Area forecast discussion, Jun 30, 6:54 AM CDT, 4 hours 58 minutes before

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Hazardous weather outlook, Jun 30, 3:35 AM CDT, 8 hours 17 minutes before

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In the hours before

Special weather statement, Jun 30, 11:22 AM CDT, 30 minutes before

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Special weather statement, Jun 30, 11:52 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
Jun 30, 12:41 PM CDT	Special Weather Statement	ARX	Buffalo	49 min
Jun 30, 12:59 PM CDT	Special Weather Statement	ARX	La Crosse	61 min
Jun 30, 1:34 PM CDT	Special Weather Statement	ARX	Trempealeau	41 min
Jun 30, 1:46 PM CDT	Special Weather Statement	ARX	La Crosse	44 min
Jun 30, 1:59 PM CDT	Areal Flood Advisory	ARX	La Crosse	2 hr
Jun 30, 3:28 PM CDT	Severe Thunderstorm Warning	ARX	Vernon	47 min
Jun 30, 3:48 PM CDT	Severe Thunderstorm Warning	ARX	Crawford, Richland	66 min
Jun 30, 4:36 PM CDT	Special Weather Statement	ARX	Grant	39 min
Jun 30, 1:05 PM CDT	Special Weather Statement	ARX	Chickasaw, Floyd	55 min
Jun 30, 1:26 PM CDT	Special Weather Statement	ARX	Mitchell	64 min
Jun 30, 11:22 AM CDT	Special Weather Statement	ARX	Mower	38 min
Jun 30, 12:21 PM CDT	Special Weather Statement	ARX	Winona	39 min

Nearby

Special Weather Statements in Iowa, 2016 Every special weather statement in 2016

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.