Alert archive / Wisconsin / Special Weather Statements in 2016

Special Weather Statement, NWS La Crosse, WI

August 16, 2016Juneau County, Monroe County, Vernon County, Wisconsin

NWS La Crosse, WI issued this special weather statement at Aug 16, 2016, 10:21 PM CDT for Juneau County, Monroe County, Vernon County, Wisconsin. It was in force for 39 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, 10:21 PM CDT (03:21 UTC)
Expired
Aug 16, 2016, 11:00 PM CDT
In force
39 min
Issued by
NWS La Crosse, WI

Counties Juneau County, WI, Monroe County, WI, Vernon County, WI

The radar

The La Crosse radar (KARX), 58 km from the middle of the area, began a volume at 03:25 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

Green Bay/Straub, WI (KGRB), launched 00:00Z, 3.4 hours before the alert went out and 201 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, Green Bay/Straub, WI at 00:00Z on 2016-08-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 634 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, Green Bay/Straub, WI at 00:00Z on 2016-08-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 71 square meters per square second.193958Sfc1 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
634 J/kg
Mixed-layer CIN
-9 J/kg
Mixed-layer LCL
1440 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
71 m²/s²
0-3 km storm-relative helicity
77 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

966 
WWUS83 KARX 170321
SPSARX

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
1021 PM CDT TUE AUG 16 2016

MNZ096-WIZ029-034-042>044-053-055-170400-
HOUSTON-RICHLAND-JUNEAU-ADAMS-MONROE-CLARK-VERNON-JACKSON-
1021 PM CDT TUE AUG 16 2016

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT SOUTHEASTERN HOUSTON...
SOUTHEASTERN CLARK...MONROE...SOUTHEASTERN JACKSON...VERNON...
JUNEAU...WESTERN ADAMS AND NORTHWESTERN RICHLAND COUNTIES...

AT 1020 PM CDT...RADAR INDICATED STRONG THUNDERSTORMS WERE LOCATED
ALONG A LINE EXTENDING FROM 6 MILES NORTHEAST OF NEILLSVILLE
WISCONSIN TO 10 MILES NORTHEAST OF CASHTON WISCONSIN TO 7 MILES
NORTH OF NEW ALBIN IOWA. MOVEMENT WAS EAST AT 55 MPH.

WIND GUSTS UP TO 50 MPH AND PEA SIZE HAIL ARE POSSIBLE WITH THESE
STORMS.

LOCATIONS IMPACTED INCLUDE...
TOMAH...MAUSTON...VIROQUA...FRIENDSHIP...NEW LISBON...WESTBY...
ADAMS...ELROY...HILLSBORO...CASHTON...NECEDAH...WONEWOC...
COON VALLEY...LA FARGE...NEW ROME...DELLWOOD...GLENDALE AND SHERWOOD.

TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THESE STORMS...AND MAY
CAUSE LOCALIZED FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.

LAT...LON 4373 8987 4364 9014 4364 9031 4358 9031
      4343 9076 4357 9147 4373 9101 4373 9091
      4376 9091 4384 9067 4468 9051 4467 9032
      4425 9032 4425 8976
TIME...MOT...LOC 0320Z 280DEG 47KT 4460 9047 4384 9062 4360 9133 

$$

04

The office that day

Everything else NWS La Crosse, WI issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 16, 7:30 PM CDTSpecial Weather StatementARXBuffalo90 min
Aug 16, 9:26 PM CDTSpecial Weather StatementARXJackson, La Crosse49 min
Aug 16, 11:14 PM CDTSpecial Weather StatementARXAdams61 min
Aug 17, 12:34 AM CDTSpecial Weather StatementARXRichland56 min
Aug 17, 3:32 AM CDTSpecial Weather StatementARXClayton58 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.