Alert archive / Wisconsin / Special Weather Statements in 2016

Special Weather Statement, NWS La Crosse, WI

September 6, 2016Buffalo County, Wisconsin

NWS La Crosse, WI issued this special weather statement at Sep 6, 2016, 10:00 AM CDT for Buffalo County, Wisconsin. It was in force for 60 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 6, 2016, 10:00 AM CDT (15:00 UTC)
Expired: Sep 6, 2016, 11:00 AM CDT
In force: 60 min
Issued by: NWS La Crosse, WI

County Buffalo County, WI

The radar

The La Crosse radar (KARX), 84 km from the middle of the area, began a volume at 15:00 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

Green Bay/Straub, WI (KGRB), launched 12:00Z, 3.0 hours before the alert went out and 276 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: 583 J/kg
Mixed-layer CIN: -107 J/kg
Mixed-layer LCL: 1042 m above ground
0-6 km bulk shear: 36 kt
0-1 km storm-relative helicity: 193 m²/s²
0-3 km storm-relative helicity: 180 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 1.0

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 6, 6:05 AM CDT, 3 hours 55 minutes earlier.

Area forecast discussion, Sep 6, 6:05 AM CDT, 3 hours 55 minutes before

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Hazardous weather outlook, Sep 6, 5:34 AM CDT, 4 hours 26 minutes before

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In the hours before

Special weather statement, Sep 6, 9:27 AM CDT, 33 minutes before

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Special weather statement, Sep 6, 10:00 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 6, 9:27 AM CDT	Special Weather Statement	ARX	Buffalo	33 min
Sep 6, 9:43 AM CDT	Areal Flood Advisory	ARX	Taylor	3 hr
Sep 6, 10:23 AM CDT	Special Weather Statement	ARX	Clark	67 min
Sep 6, 2:12 PM CDT	Special Weather Statement	ARX	Buffalo, Trempealeau	33 min
Sep 6, 2:53 PM CDT	Special Weather Statement	ARX	Jackson, Trempealeau	52 min
Sep 6, 3:30 PM CDT	Severe Thunderstorm Warning	ARX	Clark, Jackson, Trempealeau	45 min
Sep 6, 4:12 PM CDT	Severe Thunderstorm Warning	ARX	Jackson	38 min
Sep 6, 4:21 PM CDT	Tornado Warning	ARX	Jackson	27 min
Sep 6, 4:39 PM CDT	Severe Thunderstorm Warning	ARX	Adams, Juneau	66 min
Sep 6, 4:56 PM CDT	Special Weather Statement	ARX	Buffalo, Clark, Trempealeau	64 min
Sep 6, 5:22 PM CDT	Special Weather Statement	ARX	Clark, Jackson, Trempealeau	53 min
Sep 6, 6:13 PM CDT	Special Weather Statement	ARX	Monroe	62 min

Nearby

Special Weather Statements in Wisconsin, 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.