Alert archive / Iowa / Wind Advisories in 2018

Wind Advisory 6, NWS La Crosse, WI

October 19, 20187 counties in Minnesota; 8 counties in Iowa; 6 counties in Wisconsin

NWS La Crosse, WI issued this wind advisory at Oct 19, 2018, 7:30 PM CDT for 7 counties in Minnesota; 8 counties in Iowa; 6 counties in Wisconsin. It took effect at Oct 20, 2018, 8:00 AM CDT. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued
Oct 19, 2018, 7:30 PM CDT (00:30 UTC)
In effect from
Oct 20, 2018, 8:00 AM CDT
Expired
Oct 20, 2018, 2:00 PM CDT
In force
6 hr
Issued by
NWS La Crosse, WI
All 21 counties

Allamakee County, IA, Chickasaw County, IA, Clayton County, IA, Fayette County, IA, Floyd County, IA, Howard County, IA, Mitchell County, IA, Winneshiek County, IA, Dodge County, MN, Fillmore County, MN, Houston County, MN, Mower County, MN, Olmsted County, MN, Wabasha County, MN, Winona County, MN, Buffalo County, WI, Crawford County, WI, Grant County, WI, La Crosse County, WI, Trempealeau County, WI, Vernon County, WI

The radar

The La Crosse radar (KARX), 61 km from the middle of the area, began a volume at 00:31 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 00:00Z, 0.5 hours before the alert went out and 200 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 00:00Z on 2018-10-20Temperature 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, Minneapolis, MN at 00:00Z on 2018-10-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 92 square meters per square second.1939587897117Sfc1 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
1920 m above ground
0-6 km bulk shear
69 kt
0-1 km storm-relative helicity
92 m²/s²
0-3 km storm-relative helicity
102 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

074 
WWUS73 KARX 200030
NPWARX

URGENT - WEATHER MESSAGE
National Weather Service La Crosse WI
730 PM CDT Fri Oct 19 2018

...Strong northwest winds Saturday Morning...

.Northwest winds will increase to 15 to 25 mph with gusts to 45 
mph Saturday morning, mainly after 8 AM. Look for the winds to 
subside early Saturday afternoon. 

IAZ008>010-018-019-029-030-MNZ086-087-094-095-200900-
/O.NEW.KARX.WI.Y.0006.181020T1300Z-181020T1900Z/
Mitchell-Howard-Winneshiek-Floyd-Chickasaw-Fayette-Clayton-Dodge-
Olmsted-Mower-Fillmore-
Including the cities of Osage, Cresco, Decorah, Charles City, 
New Hampton, Oelwein, Elkader, Dodge Center, Rochester, Austin, 
and Preston
730 PM CDT Fri Oct 19 2018

...WIND ADVISORY IN EFFECT FROM 8 AM TO 2 PM CDT SATURDAY...

The National Weather Service in La Crosse has issued a Wind
Advisory, which is in effect from 8 AM to 2 PM CDT Saturday. 

* TIMING...Saturday morning into early Saturday afternoon. 

* WINDS...Northwest winds of 15 to 25 mph with gusts to 45 mph. 

* IMPACTS...Lightweight outdoor objects may be blown around.
  Driving may become difficult for lightweight and high profile
  vehicles.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that sustained winds of 30 mph or wind
gusts of 45 mph or stronger are expected. Winds this strong can
make driving difficult...especially for high profile vehicles.
Use extra caution.

&&

$$

Wetenkamp
4 follow-up statements
561 
WWUS73 KARX 200758
NPWARX

URGENT - WEATHER MESSAGE
National Weather Service La Crosse WI
258 AM CDT Sat Oct 20 2018

...Strong Northwest Winds Expected Today...

.Northwest winds will increase to 20 to 25 mph with gusts to 45 
mph through the morning hours, gradually subsiding into early
afternoon. Winds this strong will blow around lightweight objects
and make driving difficult.

IAZ008>010-018-019-029-030-MNZ086-087-094-095-201900-
/O.CON.KARX.WI.Y.0006.181020T1300Z-181020T1900Z/
Mitchell-Howard-Winneshiek-Floyd-Chickasaw-Fayette-Clayton-Dodge-
Olmsted-Mower-Fillmore-
Including the cities of Osage, Cresco, Decorah, Charles City, 
New Hampton, Oelwein, Elkader, Dodge Center, Rochester, Austin, 
and Preston
258 AM CDT Sat Oct 20 2018

...WIND ADVISORY REMAINS IN EFFECT FROM 8 AM THIS MORNING TO 2 PM
CDT THIS AFTERNOON...

* TIMING...This morning into early afternoon.

* WINDS...Northwest winds of 20 to 25 mph with gusts to 45 mph.

* IMPACTS...Lightweight outdoor objects may be blown around,
  including holiday decorations. Driving will become difficult,
  especially for lightweight and high profile vehicles. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that sustained winds of 30 mph or wind
gusts of 45 mph or stronger are expected. Winds this strong will
make driving difficult, especially for high profile vehicles. Use 
extra caution.

&&

$$

Lawrence
202 
WWUS73 KARX 201315
NPWARX

URGENT - WEATHER MESSAGE
National Weather Service La Crosse WI
815 AM CDT Sat Oct 20 2018

...Strong Northwest Winds Expected Today...

.Northwest winds will increase to 20 to 30 mph with gusts to
around 45 mph through the morning hours, gradually subsiding
through the afternoon. Winds this strong will blow around lawn
furniture, lightweight objects and make driving difficult.

IAZ011-MNZ079-088-096-WIZ032-033-041-053-054-061-201900-
/O.EXA.KARX.WI.Y.0006.000000T0000Z-181020T1900Z/
Allamakee-Wabasha-Winona-Houston-Buffalo-Trempealeau-La Crosse-
Vernon-Crawford-Grant-
Including the cities of Waukon, Wabasha, Winona, Caledonia, Alma,
Arcadia, Whitehall, La Crosse, Viroqua, Prairie Du Chien, 
and Platteville
815 AM CDT Sat Oct 20 2018

...WIND ADVISORY IN EFFECT UNTIL 2 PM CDT THIS AFTERNOON...

The National Weather Service in La Crosse has issued a Wind
Advisory, which is in effect until 2 PM CDT this afternoon. 

* TIMING...This morning into early afternoon.

* WINDS...Northwest winds of 20 to 30 mph with gusts to around 45
  mph, especially on ridge tops and higher terrain areas. 

* IMPACTS...Lightweight outdoor objects may be blown around,
  including lawn furniture and holiday decorations. Driving will 
  become difficult, especially for lightweight and high profile 
  vehicles.
  

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that sustained winds of 30 mph or wind
gusts of 45 mph or stronger are expected. Winds this strong will
make driving difficult, especially for high profile vehicles. Use
extra caution.

&&

$$

IAZ008>010-018-019-029-030-MNZ086-087-094-095-201900-
/O.CON.KARX.WI.Y.0006.000000T0000Z-181020T1900Z/
Mitchell-Howard-Winneshiek-Floyd-Chickasaw-Fayette-Clayton-Dodge-
Olmsted-Mower-Fillmore-
Including the cities of Osage, Cresco, Decorah, Charles City, 
New Hampton, Oelwein, Elkader, Dodge Center, Rochester, Austin, 
and Preston
815 AM CDT Sat Oct 20 2018

...WIND ADVISORY REMAINS IN EFFECT UNTIL 2 PM CDT THIS
AFTERNOON...

* TIMING...This morning into early afternoon.

* WINDS...Northwest winds of 20 to 30 mph with gusts to around 45
  mph.

* IMPACTS...Lightweight outdoor objects may be blown around,
  including lawn furniture and holiday decorations. Driving will 
  become difficult, especially for lightweight and high profile 
  vehicles.
  

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that sustained winds of 30 mph or wind
gusts of 45 mph or stronger are expected. Winds this strong will
make driving difficult, especially for high profile vehicles. Use
extra caution.

&&

$$
RRS
748 
WWUS73 KARX 201548
NPWARX

URGENT - WEATHER MESSAGE
National Weather Service La Crosse WI
1048 AM CDT Sat Oct 20 2018

...Strong Northwest Winds Through Early Afternoon..

.Northwest winds of 20 to 30 mph with gusts to around 45 mph will
continue through the rest of the morning, then gradually 
subside through the afternoon. Winds this strong will blow around
lawn furniture, lightweight objects and make driving difficult.

IAZ008>011-018-019-029-030-MNZ079-086>088-094>096-WIZ032-033-041-
053-054-061-201900-
/O.CON.KARX.WI.Y.0006.000000T0000Z-181020T1900Z/
Mitchell-Howard-Winneshiek-Allamakee-Floyd-Chickasaw-Fayette-
Clayton-Wabasha-Dodge-Olmsted-Winona-Mower-Fillmore-Houston-
Buffalo-Trempealeau-La Crosse-Vernon-Crawford-Grant-
Including the cities of Osage, Cresco, Decorah, Waukon, 
Charles City, New Hampton, Oelwein, Elkader, Wabasha, 
Dodge Center, Rochester, Winona, Austin, Preston, Caledonia, 
Alma, Arcadia, Whitehall, La Crosse, Viroqua, Prairie Du Chien, 
and Platteville
1048 AM CDT Sat Oct 20 2018

...WIND ADVISORY REMAINS IN EFFECT UNTIL 2 PM CDT THIS
AFTERNOON...

* TIMING...Rest of this morning into early afternoon.

* WINDS...Northwest winds of 20 to 30 mph with gusts to around 45
  mph, mainly on ridge tops and across the higher terrain, open
  country areas.  

* IMPACTS...Lightweight outdoor objects may be blown around, 
  including lawn furniture and holiday decorations. Driving will 
  become difficult, especially for lightweight and high profile 
  vehicles. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that sustained winds of 30 mph or wind
gusts of 45 mph or stronger are expected. Winds this strong will
make driving difficult, especially for high profile vehicles. Use
extra caution.

&&

$$
RRS
634 
WWUS73 KARX 201853
NPWARX

URGENT - WEATHER MESSAGE
National Weather Service La Crosse WI
153 PM CDT Sat Oct 20 2018

...Winds Diminishing, Wind Advisory will be Allowed to Expire...

.The winds were diminishing across the area early this afternoon,
with most speeds in the 15 to 25 mph gusting to 30 to 40 mph range
as of 145 pm. Winds will continue to decrease this afternoon and
the wind advisory will be allowed to expire at 2 pm.

IAZ008>011-018-019-029-030-MNZ079-086>088-094>096-WIZ032-033-041-
053-054-061-202000-
/O.EXP.KARX.WI.Y.0006.000000T0000Z-181020T1900Z/
Mitchell-Howard-Winneshiek-Allamakee-Floyd-Chickasaw-Fayette-
Clayton-Wabasha-Dodge-Olmsted-Winona-Mower-Fillmore-Houston-
Buffalo-Trempealeau-La Crosse-Vernon-Crawford-Grant-
Including the cities of Osage, Cresco, Decorah, Waukon, 
Charles City, New Hampton, Oelwein, Elkader, Wabasha, 
Dodge Center, Rochester, Winona, Austin, Preston, Caledonia, 
Alma, Arcadia, Whitehall, La Crosse, Viroqua, Prairie Du Chien, 
and Platteville
153 PM CDT Sat Oct 20 2018

...WIND ADVISORY WILL EXPIRE AT 2 PM CDT THIS AFTERNOON...

Winds were diminishing early this afternoon, with most now in the
15 to 25 mph gusting to 30 to 40 mph range. The winds will
continue to diminish through the afternoon, thus the wind advisory
will be allowed to expire at 2 pm. 

$$
RRS

Nearby

Wind Advisories in Iowa, 2018Wind Advisories in Minnesota, 2018Wind Advisories in Wisconsin, 2018Every wind advisory in 2018

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.