Alert archive / Iowa / Wind Advisories in 2018

Wind Advisory 4, NWS La Crosse, WI

April 30, 20184 counties in Iowa; 4 counties in Minnesota

NWS La Crosse, WI issued this wind advisory at Apr 30, 2018, 3:35 PM CDT for 4 counties in Iowa; 4 counties in Minnesota. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
Apr 30, 2018, 3:35 PM CDT (20:35 UTC)
Expired
Apr 30, 2018, 8:00 PM CDT
In force
4 hr
Issued by
NWS La Crosse, WI

Counties Chickasaw County, IA, Floyd County, IA, Howard County, IA, Mitchell County, IA, Dodge County, MN, Fillmore County, MN, Mower County, MN, Olmsted County, MN

The radar

The La Crosse radar (KARX), 113 km from the middle of the area, began a volume at 20:32 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, 8.6 hours before the alert went out and 170 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 2018-04-30Temperature 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 12:00Z on 2018-04-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 177 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
1890 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
177 m²/s²
0-3 km storm-relative helicity
172 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

422 
WWUS73 KARX 302035
NPWARX

URGENT - WEATHER MESSAGE
National Weather Service La Crosse WI
335 PM CDT Mon Apr 30 2018

...Strong Gusty South Winds Into Early This Evening...

.Strong south winds of 25 to 35 mph, gusting into the 40 to 50 
mph range will continue into early this evening. These strong
winds will make travel difficult, especially on east west
highways. 


IAZ008-009-018-019-MNZ086-087-094-095-010000-
/O.NEW.KARX.WI.Y.0004.180430T2035Z-180501T0000Z/
Mitchell-Howard-Floyd-Chickasaw-Dodge-Olmsted-Mower-Fillmore-
Including the cities of Osage, Cresco, Charles City, New Hampton,
Dodge Center, Rochester, Austin, and Preston
335 PM CDT Mon Apr 30 2018

...WIND ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING...

The National Weather Service in La Crosse has issued a Wind
Advisory, which is in effect until 7 PM CDT this evening. 

* TIMING...Until 7 pm.

* WINDS...South winds 25 to 35 mph, gusting into the 40 to 50 mph
  range.

* IMPACTS...Travel will be difficult, especially on east west
  highways. Lawn furniture, garbage cans, and any other unsecured
  items will be blown around by these winds.

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.

&&

$$

DAS
3 follow-up statements
790 
WWUS73 KARX 302311
NPWARX

URGENT - WEATHER MESSAGE
National Weather Service La Crosse WI
611 PM CDT Mon Apr 30 2018

...Strong Gusty South Winds Early This Evening. Critical Fire 
Weather Conditions Occurring...

.Strong south winds of 25 to 35 mph, gusting into the 40 to
45 mph range will continue into early this evening. These strong 
winds will make travel difficult, especially on east west 
highways. Any fires that start will spread quickly. Outdoor 
burning is strongly discouraged and may not be allowed in your 
area. 

IAZ008-009-018-019-MNZ086-087-094-095-010015-
/O.CON.KARX.WI.Y.0004.000000T0000Z-180501T0000Z/
Mitchell-Howard-Floyd-Chickasaw-Dodge-Olmsted-Mower-Fillmore-
Including the cities of Osage, Cresco, Charles City, New Hampton,
Dodge Center, Rochester, Austin, and Preston
611 PM CDT Mon Apr 30 2018

...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING...

* TIMING...Until 7 pm.

* WINDS...South winds 25 to 35 mph, gusting into the 40 to 50 
  mph range. 

* IMPACTS...Travel will be difficult, especially on east west
  highways. Lawn furniture, garbage cans, and any other unsecured
  items will be blown around by these winds. These strong winds
  combined with dry conditions will create critical fire weather
  conditions early this evening. 

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.

&&

$$
112 
WWUS73 KARX 302350
NPWARX

URGENT - WEATHER MESSAGE
National Weather Service La Crosse WI
650 PM CDT Mon Apr 30 2018

...Strong Gusty South Winds Early This Evening. Critical Fire
Weather Conditions Occurring...

.Strong south winds of 25 to 35 mph, gusting into the 40 to
45 mph range will continue into early this evening. These strong
winds will make travel difficult, especially on east west
highways. Any fires that start will spread quickly. Outdoor
burning is strongly discouraged and may not be allowed in your
area.

IAZ008-009-018-019-MNZ086-087-094-095-010100-
/O.EXT.KARX.WI.Y.0004.000000T0000Z-180501T0100Z/
Mitchell-Howard-Floyd-Chickasaw-Dodge-Olmsted-Mower-Fillmore-
Including the cities of Osage, Cresco, Charles City, New Hampton,
Dodge Center, Rochester, Austin, and Preston
650 PM CDT Mon Apr 30 2018

...WIND ADVISORY NOW IN EFFECT UNTIL 8 PM CDT THIS EVENING...

* TIMING...Until 8 pm.

* WINDS...South winds 25 to 35 mph, gusting to 45 mph range.
  

* IMPACTS...Travel will be difficult, especially on east west 
  highways. Lawn furniture, garbage cans, and any other 
  unsecured items will be blown around by these winds. These 
  strong winds combined with dry conditions will create critical 
  fire weather conditions early this evening. 

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
685 
WWUS73 KARX 010053
NPWARX

URGENT - WEATHER MESSAGE
National Weather Service La Crosse WI
753 PM CDT Mon Apr 30 2018

...Winds Gradually Subsiding This Evening...

.South winds will continue to subside through late evening.

IAZ008-009-018-019-MNZ086-087-094-095-010200-
/O.EXP.KARX.WI.Y.0004.000000T0000Z-180501T0100Z/
Mitchell-Howard-Floyd-Chickasaw-Dodge-Olmsted-Mower-Fillmore-
Including the cities of Osage, Cresco, Charles City, New Hampton,
Dodge Center, Rochester, Austin, and Preston
753 PM CDT Mon Apr 30 2018

...WIND ADVISORY WILL EXPIRE AT 8 PM CDT THIS EVENING...

South winds will gradually subside through 9 PM. Elevated fire
weather conditions will continue this evening due to dry
conditions and the south winds, gusting to around 35 mph at 
times.


$$

Nearby

Wind Advisories in Iowa, 2018Wind Advisories in Minnesota, 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.