Alert archive / Wisconsin / High Wind Warnings in 2011

High Wind Warning 1, NWS Twin Cities, MN

May 9, 2011Chippewa County, Eau Claire County, Rusk County, Wisconsin

NWS Twin Cities, MN issued this high wind warning at May 9, 2011, 12:50 PM CDT for Chippewa County, Eau Claire County, Rusk County, Wisconsin. It took effect at May 9, 2011, 1:00 PM CDT. It was in force for 3 hr. 3 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
May 9, 2011, 12:50 PM CDT (17:50 UTC)
In effect from
May 9, 2011, 1:00 PM CDT
Expired
May 9, 2011, 4:00 PM CDT
In force
3 hr
Issued by
NWS Twin Cities, MN

Counties Chippewa County, WI, Eau Claire County, WI, Rusk County, WI

The radar

The La Crosse radar (KARX), 141 km from the middle of the area, began a volume at 17:52 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.

What was reported inside it

TimeReportWhereRemark
May 9, 1:40 PM CDTHAIL 0.255 Wsw Allen, WI
May 9, 3:10 PM CDTHAIL 0.755 E Caryville, WISTARTED HAILING AT 310 PM STILL COMING DOWN AT 319 PM.
May 9, 3:15 PM CDTHAIL 0.25Fall Creek, WI

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 5.8 hours before the alert went out and 256 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 12:00Z on 2011-05-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 12:00Z on 2011-05-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 16 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1664 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
16 m²/s²
0-3 km storm-relative helicity
7 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.

546 
WWUS73 KMPX 091750
NPWMPX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1250 PM CDT MON MAY 9 2011

...HIGH WINDS TO CONTINUE ACROSS PARTS OF WEST CENTRAL WISCONSIN
UNTIL 4 PM...

.HIGH WINDS ARE EXPECTED ACROSS PARTS OF WEST CENTRAL WISCONSIN
EARLY THIS AFTERNOON IN THE WAKE OF STRONG THUNDERSTORMS THAT WERE
MOVING THROUGH CENTRAL AND SOUTHERN WISCONSIN. SUSTAINED WINDS OF
AROUND 40 MPH WITH POSSIBLE GUSTS TO 60 MPH CAN BE EXPECTED. SOME
TREES WILL LIKELY GO DOWN...AND MINOR STRUCTURAL DAMAGE IS
POSSIBLE. WINDS SHOULD DECREASE AFTER 4 PM. CITIES INCLUDED IN
THE WARNING ARE CHIPPEWA FALLS...LADYSMITH...AND EAU CLAIRE.

WIZ016-027-028-092100-
/O.NEW.KMPX.HW.W.0001.110509T1800Z-110509T2100Z/
RUSK-CHIPPEWA-EAU CLAIRE-
INCLUDING THE CITIES OF...LADYSMITH...CHIPPEWA FALLS...BLOOMER...
EAU CLAIRE...ALTOONA
1250 PM CDT MON MAY 9 2011

...HIGH WIND WARNING IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON...

THE NATIONAL WEATHER SERVICE IN TWIN CITIES/CHANHASSEN HAS ISSUED
A HIGH WIND WARNING...WHICH IS IN EFFECT UNTIL 4 PM CDT THIS
AFTERNOON. 

* TIMING...HIGH WINDS THROUGH 4 PM.

* WINDS...EAST WINDS OF 30 MPH WITH POSSIBLE GUSTS TO 60 MPH.

* IMPACTS...TREES COULD GO DOWN. MINOR STRUCTURAL DAMAGE POSSIBLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

&&

$$
1 follow-up statement
041 
WWUS73 KMPX 092107
NPWMPX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
407 PM CDT MON MAY 9 2011

...HIGH WINDS HAVE DECREASED...

.THE HIGH WIND WARNING FOR PARTS OF WEST CENTRAL WISCONSIN HAS
BEEN ALLOWED TO EXPIRE. THE WEATHER FEATURES THAT CAUSED THE
STRONG WINDS HAVE WEAKENED AND MOVED OFF TO THE SOUTHEAST. 

WIZ016-027-028-092215-
/O.EXP.KMPX.HW.W.0001.000000T0000Z-110509T2100Z/
RUSK-CHIPPEWA-EAU CLAIRE-
INCLUDING THE CITIES OF...LADYSMITH...CHIPPEWA FALLS...BLOOMER...
EAU CLAIRE...ALTOONA
407 PM CDT MON MAY 9 2011

...HIGH WIND WARNING HAS EXPIRED...

THE HIGH WIND WARNING IS NO LONGER IN EFFECT. 



$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 9, 6:36 AM CDTSpecial Weather StatementMPXBarron, Chippewa, Dunn, Eau Claire, Pepin, Pierce and 3 more114 min
May 9, 8:21 AM CDTSpecial Weather StatementMPXChippewa, Eau Claire, Rusk54 min
May 9, 2:31 PM CDTSpecial Weather StatementMPXEau Claire, Pepin59 min
May 9, 3:21 PM CDTSpecial Weather StatementMPXChippewa, Eau Claire54 min
May 9, 3:47 PM CDTSpecial Weather StatementMPXChippewa, Dunn, Eau Claire, Pepin58 min

Nearby

High Wind Warnings in Wisconsin, 2011Every high wind warning in 2011

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.