Alert archive / Wisconsin / Special Weather Statements in 2013

Special Weather Statement, NWS Twin Cities, MN

September 19, 2013Chippewa County, Eau Claire County, Wisconsin

NWS Twin Cities, MN issued this special weather statement at Sep 19, 2013, 1:22 PM CDT for Chippewa County, Eau Claire County, Wisconsin. It was in force for 68 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 19, 2013, 1:22 PM CDT (18:22 UTC)
Expired: Sep 19, 2013, 2:30 PM CDT
In force: 68 min
Issued by: NWS Twin Cities, MN

Counties Chippewa County, WI, Eau Claire County, WI

The radar

The La Crosse radar (KARX), 167 km from the middle of the area, began a volume at 18:25 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, 6.4 hours before the alert went out and 216 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: 1434 J/kg
Mixed-layer CIN: -202 J/kg
Mixed-layer LCL: 928 m above ground
0-6 km bulk shear: 29 kt
0-1 km storm-relative helicity: 66 m²/s²
0-3 km storm-relative helicity: 200 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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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 Twin Cities, MN wrote its last area forecast discussion before this special weather statement went out at Sep 19, 1:09 PM CDT, 13 minutes earlier.

Area forecast discussion, Sep 19, 1:09 PM CDT, 13 minutes before

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Hazardous weather outlook, Sep 19, 12:54 PM CDT, 28 minutes before

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In the hours before

Local storm report, Sep 19, 12:36 PM CDT, 46 minutes before

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Special weather statement, Sep 19, 12:36 PM CDT, 46 minutes before

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Local storm report, Sep 19, 12:40 PM CDT, 42 minutes before

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Local storm report, Sep 19, 12:53 PM CDT, 29 minutes before

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Local storm report, Sep 19, 1:13 PM CDT, 9 minutes before

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Special weather statement, Sep 19, 1:22 PM CDT, 0 minutes before

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The office that day

Everything else NWS Twin Cities, MN issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Sep 19, 12:57 AM CDT	Special Weather Statement	MPX	Douglas	48 min
Sep 19, 1:14 AM CDT	Special Weather Statement	MPX	Todd	61 min
Sep 19, 1:30 AM CDT	Special Weather Statement	MPX	Swift	75 min
Sep 19, 2:28 AM CDT	Special Weather Statement	MPX	Morrison, Stearns	62 min
Sep 19, 4:00 AM CDT	Special Weather Statement	MPX	Lac qui Parle	60 min
Sep 19, 5:28 AM CDT	Special Weather Statement	MPX	Lac qui Parle	47 min
Sep 19, 7:34 AM CDT	Special Weather Statement	MPX	Lac qui Parle	41 min
Sep 19, 8:07 AM CDT	Special Weather Statement	MPX	Redwood, Yellow Medicine	53 min
Sep 19, 8:17 AM CDT	Severe Thunderstorm Warning	MPX	Chippewa, Redwood, Renville, Yellow Medicine	43 min
Sep 19, 8:49 AM CDT	Severe Thunderstorm Warning	MPX	Kandiyohi, McLeod, Meeker, Renville	41 min
Sep 19, 9:09 AM CDT	Special Weather Statement	MPX	Wright	51 min
Sep 19, 9:27 AM CDT	Special Weather Statement	MPX	Blue Earth, Brown, Martin, Nicollet, Sibley, Watonwan	63 min
Sep 19, 9:33 AM CDT	Severe Thunderstorm Warning	MPX	Carver, Hennepin, McLeod, Wright	42 min
Sep 19, 9:54 AM CDT	Severe Thunderstorm Warning	MPX	Anoka, Isanti, Sherburne	51 min
Sep 19, 10:17 AM CDT	Special Weather Statement	MPX	Blue Earth, Carver, Le Sueur, McLeod, Nicollet, Sibley	43 min
Sep 19, 10:37 AM CDT	Severe Thunderstorm Warning	MPX	Anoka, Chisago, Isanti, Kanabec, Mille Lacs	53 min
Sep 19, 10:58 AM CDT	Special Weather Statement	MPX	Anoka, Carver, Dakota, Hennepin, Ramsey, Scott and 2 more	47 min
Sep 19, 11:02 AM CDT	Special Weather Statement	MPX	Chisago	43 min
Sep 19, 11:54 AM CDT	Special Weather Statement	MPX	Barron, Dunn, Polk, Saint Croix	36 min
Sep 19, 12:36 PM CDT	Special Weather Statement	MPX	Barron, Chippewa, Eau Claire, Pepin, Rusk	39 min

Nearby

Special Weather Statements in Wisconsin, 2013 Every special weather statement in 2013

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.