Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 85, NWS La Crosse, WI

September 21, 2016Adams County, Wisconsin

NWS La Crosse, WI issued this severe thunderstorm warning at Sep 21, 2016, 1:45 AM CDT for Adams County, Wisconsin. It was in force for 28 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 21, 2016, 1:45 AM CDT (06:45 UTC)
Expired
Sep 21, 2016, 2:13 AM CDT
In force
28 min
Issued by
NWS La Crosse, WI
Area
Storm-based polygon
Hail
1.0 in
Wind
50.0 mph

County Adams County, WI

The radar

The La Crosse radar (KARX), 115 km from the middle of the area, began a volume at 06:48 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, 6.8 hours before the alert went out and 143 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 2016-09-21Temperature 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 00:00Z on 2016-09-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 53 square meters per square second.19395878Sfc1 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
2092 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
53 m²/s²
0-3 km storm-relative helicity
332 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

967 
WUUS53 KARX 210645
SVRARX
WIC001-210730-
/O.NEW.KARX.SV.W.0085.160921T0645Z-160921T0730Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LA CROSSE WI
145 AM CDT WED SEP 21 2016

THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHEASTERN ADAMS COUNTY IN CENTRAL WISCONSIN...

* UNTIL 230 AM CDT

* AT 144 AM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR
  FRIENDSHIP... MOVING EAST AT 20 MPH.

  HAZARD...QUARTER SIZE HAIL. 

  SOURCE...RADAR INDICATED. 

  IMPACT...DAMAGE TO VEHICLES IS EXPECTED. 

* THIS SEVERE THUNDERSTORM WILL AFFECT...BIG
  FLATS...COLBURN...COTTONVILLE...THE COLBURN WILDLIFE AREA AND THE
  SHIP ROCK WAYSIDE.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 4397 8990 4412 8991 4418 8960 4395 8960
TIME...MOT...LOC 0644Z 270DEG 19KT 4403 8980 

HAIL...1.00IN
WIND...<50MPH
 
$$

DAB
2 follow-up statements
763 
WWUS53 KARX 210702
SVSARX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
202 AM CDT WED SEP 21 2016

WIC001-210730-
/O.CON.KARX.SV.W.0085.000000T0000Z-160921T0730Z/
ADAMS WI-
202 AM CDT WED SEP 21 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 230 AM CDT
FOR NORTHEASTERN ADAMS COUNTY...

AT 201 AM CDT...A SEVERE THUNDERSTORM WAS LOCATED 11 MILES NORTHEAST
OF FRIENDSHIP...MOVING EAST AT 25 MPH.

HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL. 

SOURCE...RADAR INDICATED. LAW ENFORCEMENT HAD NOT RECEIVED ANY
         REPORTS OF LARGE HAIL AS OF 200 AM. 

IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE TO 
         ROOFS...SIDING...AND TREES. 

THIS SEVERE THUNDERSTORM WILL AFFECT BIG
FLATS...COLBURN...COTTONVILLE...THE COLBURN WILDLIFE AREA AND THE
SHIP ROCK WAYSIDE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 4397 8990 4412 8991 4418 8960 4395 8960
TIME...MOT...LOC 0701Z 258DEG 24KT 4408 8964 

HAIL...1.00IN
WIND...60MPH
 
$$

DAB
879 
WWUS53 KARX 210713
SVSARX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
213 AM CDT WED SEP 21 2016

WIC001-210723-
/O.CAN.KARX.SV.W.0085.000000T0000Z-160921T0730Z/
ADAMS WI-
213 AM CDT WED SEP 21 2016

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN ADAMS COUNTY IS
CANCELLED...
        
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE AREA.
THEREFORE THE WARNING HAS BEEN CANCELLED.

LAT...LON 4397 8990 4412 8991 4418 8960 4395 8960
TIME...MOT...LOC 0712Z 270DEG 19KT 4408 8955 

$$

DAB

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 20, 11:26 PM CDTSpecial Weather StatementARXBuffalo109 min
Sep 21, 12:11 AM CDTSpecial Weather StatementARXClark, Jackson, Trempealeau109 min
Sep 21, 12:21 AM CDTSevere Thunderstorm WarningARXJackson, Trempealeau41 min
Sep 21, 1:25 AM CDTSpecial Weather StatementARXAdams, Buffalo, Clark, Jackson, Juneau, La Crosse and 3 more110 min
Sep 21, 2:23 AM CDTSpecial Weather StatementARXCrawford, La Crosse, Monroe, Richland, Vernon67 min
Sep 21, 3:31 AM CDTSpecial Weather StatementARXBuffalo, Jackson, La Crosse, Trempealeau119 min
Sep 21, 5:40 AM CDTFlash Flood WarningARXBuffalo, Trempealeau3 hr
Sep 21, 6:44 AM CDTFlash Flood WarningARXCrawford, Vernon6 hr
Sep 21, 8:26 AM CDTFlash Flood WarningARXJackson, La Crosse, Monroe, Trempealeau3 hr
Sep 21, 10:10 AM CDTRiver Flood WarningARXJackson3 days
Sep 21, 10:10 AM CDTRiver Flood WarningARXLa Crosse, Trempealeau6 days
Sep 21, 10:10 AM CDTRiver Flood WarningARXBuffalo, Trempealeau4 days
Sep 21, 10:10 AM CDTRiver Flood WarningARXBuffalo, Trempealeau7 days
Sep 21, 10:27 AM CDTRiver Flood WarningARXRichland, Vernon4 days
Sep 21, 10:27 AM CDTRiver Flood WarningARXVernon5 days
Sep 21, 10:27 AM CDTRiver Flood WarningARXCrawford5 days
Sep 21, 10:27 AM CDTRiver Flood WarningARXCrawford7 days
Sep 21, 10:27 AM CDTRiver Flood WarningARXCrawford8 days
Sep 21, 11:31 AM CDTFlash Flood WarningARXLa Crosse, Monroe3 hr
Sep 21, 12:55 PM CDTSpecial Weather StatementARXTrempealeau50 min
Sep 21, 1:01 PM CDTSpecial Weather StatementARXRichland44 min
Sep 21, 1:05 PM CDTSpecial Weather StatementARXClark55 min
Sep 21, 2:13 PM CDTFlash Flood WarningARXClark5 hr
Sep 21, 2:54 PM CDTSpecial Weather StatementARXAdams21 min
Sep 21, 2:59 PM CDTSpecial Weather StatementARXJackson46 min
Sep 21, 4:43 PM CDTRiver Flood WarningARXJuneau7 days
Sep 21, 5:33 PM CDTSevere Thunderstorm WarningARXClark42 min
Sep 21, 5:44 PM CDTSpecial Weather StatementARXAdams, Juneau46 min
Sep 21, 5:57 PM CDTSevere Thunderstorm WarningARXAdams, Juneau, Monroe48 min
Sep 21, 6:58 PM CDTFlash Flood WarningARXAdams4 hr

Nearby

Severe Thunderstorm Warnings in Wisconsin, 2016Every severe thunderstorm warning 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.