Alert archive / Wisconsin / Special Weather Statements in 2016

Special Weather Statement, NWS Twin Cities, MN

August 16, 2016Chippewa County, Wisconsin

NWS Twin Cities, MN issued this special weather statement at Aug 16, 2016, 5:39 PM CDT for Chippewa County, Wisconsin. It was in force for 51 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
Aug 16, 2016, 5:39 PM CDT (22:39 UTC)
Expired
Aug 16, 2016, 6:30 PM CDT
In force
51 min
Issued by
NWS Twin Cities, MN

County Chippewa County, WI

The radar

The La Crosse radar (KARX), 138 km from the middle of the area, began a volume at 22:39 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, 10.7 hours before the alert went out and 179 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-pSkew-T log-p diagram, Minneapolis, MN at 12:00Z on 2016-08-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 408 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 12:00Z on 2016-08-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 76 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
408 J/kg
Mixed-layer CIN
-49 J/kg
Mixed-layer LCL
979 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
76 m²/s²
0-3 km storm-relative helicity
111 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

As transmitted.

216 
WWUS83 KMPX 162239
SPSMPX

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
539 PM CDT TUE AUG 16 2016

WIZ025-027-162330-
DUNN-CHIPPEWA-
539 PM CDT TUE AUG 16 2016

...AN AREA OF STRONG THUNDERSTORMS WILL AFFECT NORTHEASTERN DUNN AND
CHIPPEWA COUNTIES...

AT 536 PM CDT...STRONG THUNDERSTORMS WERE CLUSTERED NEAR CHIPPEWA
MORAINE STATE REC AREA...OR 20 MILES NORTH OF EAU CLAIRE. STORMS
HAVE BEEN REPEATEDLY FORMING OVER THE SAME LOCATIONS. 

WIND GUSTS UP TO 50 MPH...HALF INCH HAIL...AND TORRENTIAL RAINFALL
ARE POSSIBLE WITH THESE STORMS.

LOCATIONS IMPACTED INCLUDE...
CHIPPEWA FALLS...BLOOMER...LAKE WISSOTA...CORNELL...CADOTT...
NEW AUBURN...TILDEN...SAND CREEK...JIM FALLS...
CHIPPEWA MORAINE STATE REC AREA...EAGLETON AND HOLCOMBE.

THIS INCLUDES U.S. HIGHWAY 53 BETWEEN MILE MARKERS 100 AND 118.
 
TORRENTIAL RAINFALL IS OCCURRING WITH THESE STORMS...AND MAY CAUSE
LOCALIZED FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.

LAT...LON 4492 9123 4506 9187 4517 9188 4527 9093
      4503 9093
TIME...MOT...LOC 2236Z 254DEG 42KT 4516 9137 

$$

SCHMIDT

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 16, 11:00 AM CDTRiver Flood WarningMPXWright9 days
Aug 16, 2:38 PM CDTSpecial Weather StatementMPXTodd52 min
Aug 16, 3:22 PM CDTSpecial Weather StatementMPXSibley38 min
Aug 16, 3:37 PM CDTSpecial Weather StatementMPXMorrison53 min
Aug 16, 4:01 PM CDTSpecial Weather StatementMPXScott44 min
Aug 16, 4:02 PM CDTSpecial Weather StatementMPXTodd73 min
Aug 16, 4:24 PM CDTSpecial Weather StatementMPXScott36 min
Aug 16, 4:42 PM CDTSpecial Weather StatementMPXLac qui Parle63 min
Aug 16, 4:59 PM CDTSpecial Weather StatementMPXHennepin61 min
Aug 16, 5:05 PM CDTSevere Thunderstorm WarningMPXAnoka, Hennepin, Ramsey25 min
Aug 16, 5:16 PM CDTFlash Flood WarningMPXCarver, Dakota, Hennepin, Scott3 hr
Aug 16, 5:33 PM CDTSpecial Weather StatementMPXBenton57 min
Aug 16, 5:35 PM CDTSpecial Weather StatementMPXYellow Medicine25 min
Aug 16, 6:08 PM CDTSpecial Weather StatementMPXLac qui Parle52 min
Aug 16, 6:21 PM CDTSevere Thunderstorm WarningMPXLe Sueur, Rice27 min
Aug 16, 6:58 PM CDTSpecial Weather StatementMPXChippewa62 min

Nearby

Special Weather Statements in Wisconsin, 2016Every 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.