Alert archive / Minnesota / Wind Advisories in 2021

Wind Advisory 2, NWS La Crosse, WI

March 21, 20214 counties in Minnesota; 4 counties in Iowa

NWS La Crosse, WI issued this wind advisory at Mar 21, 2021, 3:12 AM CDT for 4 counties in Minnesota; 4 counties in Iowa. It took effect at Mar 21, 2021, 9:00 AM CDT. It was in force for 7 hr.

The area

The counties it named.

The facts

Issued
Mar 21, 2021, 3:12 AM CDT (08:12 UTC)
In effect from
Mar 21, 2021, 9:00 AM CDT
Expired
Mar 21, 2021, 4:00 PM CDT
In force
7 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 08:10 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, 8.2 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 00:00Z on 2021-03-21Temperature 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, Minneapolis, MN at 00:00Z on 2021-03-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 239 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
2106 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
239 m²/s²
0-3 km storm-relative helicity
427 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

285 
WWUS73 KARX 210812
NPWARX

URGENT - WEATHER MESSAGE
National Weather Service La Crosse WI
312 AM CDT Sun Mar 21 2021

IAZ008-009-018-019-MNZ086-087-094-095-211700-
/O.NEW.KARX.WI.Y.0002.210321T1400Z-210321T2100Z/
Mitchell-Howard-Floyd-Chickasaw-Dodge-Olmsted-Mower-Fillmore-
Including the cities of Osage, Cresco, Charles City, New Hampton,
Dodge Center, Rochester, Austin, and Preston
312 AM CDT Sun Mar 21 2021

...WIND ADVISORY IN EFFECT FROM 9 AM THIS MORNING TO 4 PM CDT
THIS AFTERNOON...

* WHAT...South winds 20 to 30 mph with gusts up to 45 mph 
  expected.

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

* WHEN...From 9 AM this morning to 4 PM CDT this afternoon.

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

* ADDITIONAL DETAILS...Strong winds and dry grasses will result in
  slightly elevated fire weather conditions.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

Lee
2 follow-up statements
352 
WWUS73 KARX 211619
NPWARX

URGENT - WEATHER MESSAGE
National Weather Service La Crosse WI
1119 AM CDT Sun Mar 21 2021

IAZ008-009-018-019-MNZ086-087-094-095-212100-
/O.CON.KARX.WI.Y.0002.000000T0000Z-210321T2100Z/
Mitchell-Howard-Floyd-Chickasaw-Dodge-Olmsted-Mower-Fillmore-
Including the cities of Osage, Cresco, Charles City, New Hampton,
Dodge Center, Rochester, Austin, and Preston
1119 AM CDT Sun Mar 21 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL 4 PM CDT THIS
AFTERNOON...

* WHAT...South winds 20 to 30 mph with gusts up to 45 mph.

* WHERE...In Iowa, Chickasaw, Floyd, Mitchell and Howard 
  Counties. In Minnesota, Dodge, Olmsted, Mower and Fillmore 
  Counties.

* WHEN...Until 4 PM CDT this afternoon.

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

* ADDITIONAL DETAILS...Strong winds and dry grasses will lead to
  elevated fire weather conditions with potential for any fires to
  spread quickly.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

Kurz
530 
WWUS73 KARX 212048
NPWARX

URGENT - WEATHER MESSAGE
National Weather Service La Crosse WI
348 PM CDT Sun Mar 21 2021

IAZ008-009-018-019-MNZ086-087-094-095-212200-
/O.EXP.KARX.WI.Y.0002.000000T0000Z-210321T2100Z/
Mitchell-Howard-Floyd-Chickasaw-Dodge-Olmsted-Mower-Fillmore-
Including the cities of Osage, Cresco, Charles City, New Hampton,
Dodge Center, Rochester, Austin, and Preston
348 PM CDT Sun Mar 21 2021

...WIND ADVISORY WILL EXPIRE AT 4 PM CDT THIS AFTERNOON...

South winds remain gusty across the area, but will gradually
subside through the remainder of the afternoon. Therefore, the
wind advisory will be allowed to expire.

$$

CA

Nearby

Wind Advisories in Minnesota, 2021Wind Advisories in Iowa, 2021Every wind advisory in 2021

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.