Alert archive / Iowa / Wind Advisories in 2020

Wind Advisory 5, NWS La Crosse, WI

October 14, 20206 counties in Iowa; 5 counties in Minnesota

NWS La Crosse, WI issued this wind advisory at Oct 14, 2020, 1:12 PM CDT for 6 counties in Iowa; 5 counties in Minnesota. It took effect at Oct 14, 2020, 4:00 PM CDT. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued
Oct 14, 2020, 1:12 PM CDT (18:12 UTC)
In effect from
Oct 14, 2020, 4:00 PM CDT
Expired
Oct 15, 2020, 1:00 AM CDT
In force
9 hr
Issued by
NWS La Crosse, WI

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

The radar

The La Crosse radar (KARX), 102 km from the middle of the area, began a volume at 18:13 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, 6.2 hours before the alert went out and 177 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 2020-10-14Temperature 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 2020-10-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 362 square meters per square second.1939587897117136Sfc1 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
1675 m above ground
0-6 km bulk shear
73 kt
0-1 km storm-relative helicity
362 m²/s²
0-3 km storm-relative helicity
989 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

719 
WWUS73 KARX 141812
NPWARX

URGENT - WEATHER MESSAGE
National Weather Service La Crosse WI
112 PM CDT Wed Oct 14 2020

IAZ008>010-018-019-029-MNZ079-086-087-094-095-150215-
/O.NEW.KARX.WI.Y.0005.201014T2100Z-201015T0600Z/
Mitchell-Howard-Winneshiek-Floyd-Chickasaw-Fayette-Wabasha-Dodge-
Olmsted-Mower-Fillmore-
Including the cities of Osage, Cresco, Decorah, Charles City, 
New Hampton, Oelwein, Wabasha, Dodge Center, Rochester, Austin, 
and Preston
112 PM CDT Wed Oct 14 2020

...WIND ADVISORY IN EFFECT UNTIL 1 AM CDT THURSDAY...

* WHAT...West winds 20 to 25 mph with gusts up to 45 mph 
  expected.

* WHERE...Portions of north central and northeast Iowa and 
  southeast Minnesota.

* WHEN...From 4 PM this afternoon to 1 AM CDT Thursday.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$
2 follow-up statements
294 
WWUS73 KARX 150123
NPWARX

URGENT - WEATHER MESSAGE
National Weather Service La Crosse WI
823 PM CDT Wed Oct 14 2020

IAZ008>010-018-019-029-MNZ079-086-087-094-095-150600-
/O.CON.KARX.WI.Y.0005.000000T0000Z-201015T0600Z/
Mitchell-Howard-Winneshiek-Floyd-Chickasaw-Fayette-Wabasha-Dodge-
Olmsted-Mower-Fillmore-
Including the cities of Osage, Cresco, Decorah, Charles City, 
New Hampton, Oelwein, Wabasha, Dodge Center, Rochester, Austin, 
and Preston
823 PM CDT Wed Oct 14 2020

...WIND ADVISORY REMAINS IN EFFECT UNTIL 1 AM CDT THURSDAY...

* WHAT...Northwest winds 20 to 25 mph with gusts up to 45 mph.

* WHERE...Portions of north central and northeast Iowa and 
  southeast Minnesota.

* WHEN...Until 1 AM CDT Thursday.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$

CA
399 
WWUS73 KARX 150601
NPWARX

URGENT - WEATHER MESSAGE
National Weather Service La Crosse WI
101 AM CDT Thu Oct 15 2020

IAZ008>010-018-019-029-MNZ079-086-087-094-095-150715-
/O.EXP.KARX.WI.Y.0005.000000T0000Z-201015T0600Z/
Mitchell-Howard-Winneshiek-Floyd-Chickasaw-Fayette-Wabasha-Dodge-
Olmsted-Mower-Fillmore-
Including the cities of Osage, Cresco, Decorah, Charles City, 
New Hampton, Oelwein, Wabasha, Dodge Center, Rochester, Austin, 
and Preston
101 AM CDT Thu Oct 15 2020

...WIND ADVISORY WILL EXPIRE AT 1 AM CDT EARLY THIS MORNING...

Winds will continue to gradually decrease overnight, but a few
gusts may reach up to 35 mph occasionally overnight. 

$$

Peters

Nearby

Wind Advisories in Iowa, 2020Wind Advisories in Minnesota, 2020Every wind advisory in 2020

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.