Alert archive / Minnesota / Wind Advisories in 2020

Wind Advisory 7, NWS Twin Cities, MN

April 20, 202012 counties in Minnesota

NWS Twin Cities, MN issued this wind advisory at Apr 20, 2020, 9:44 AM CDT for 12 counties in Minnesota. It took effect at Apr 20, 2020, 1:00 PM CDT. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued
Apr 20, 2020, 9:44 AM CDT (14:44 UTC)
In effect from
Apr 20, 2020, 1:00 PM CDT
Expired
Apr 20, 2020, 7:00 PM CDT
In force
6 hr
Issued by
NWS Twin Cities, MN

Counties Brown County, MN, Chippewa County, MN, Kandiyohi County, MN, Lac qui Parle County, MN, Martin County, MN, Pope County, MN, Redwood County, MN, Renville County, MN, Stevens County, MN, Swift County, MN, Watonwan County, MN, Yellow Medicine County, MN

The radar

The Minneapolis radar (KMPX), 139 km from the middle of the area, began a volume at 14:45 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, 2.7 hours before the alert went out and 136 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 2020-04-20Temperature 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 12:00Z on 2020-04-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 236 square meters per square second.1939587897Sfc1 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
1523 m above ground
0-6 km bulk shear
55 kt
0-1 km storm-relative helicity
236 m²/s²
0-3 km storm-relative helicity
255 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

583 
WWUS73 KMPX 201444
NPWMPX

URGENT - WEATHER MESSAGE
National Weather Service Twin Cities/Chanhassen MN
944 AM CDT Mon Apr 20 2020

MNZ047-048-054>057-064-065-073-074-082-091-202245-
/O.NEW.KMPX.WI.Y.0007.200420T1800Z-200421T0000Z/
Stevens-Pope-Lac Qui Parle-Swift-Chippewa-Kandiyohi-
Yellow Medicine-Renville-Redwood-Brown-Watonwan-Martin-
Including the cities of Morris, Glenwood, Madison, Benson, 
Montevideo, Willmar, Granite Falls, Olivia, Redwood Falls, 
New Ulm, St James, and Fairmont
944 AM CDT Mon Apr 20 2020

...WIND ADVISORY IN EFFECT FROM 1 PM THIS AFTERNOON TO 7 PM CDT
THIS EVENING...

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

* WHERE...Portions of central, south central, southwest and west 
  central Minnesota.

* WHEN...From 1 PM this afternoon to 7 PM CDT this evening.

* 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.

&&

$$
1 follow-up statement
979 
WWUS73 KMPX 201927
NPWMPX

URGENT - WEATHER MESSAGE
National Weather Service Twin Cities/Chanhassen MN
227 PM CDT Mon Apr 20 2020

MNZ047-048-054>057-064-065-073-074-082-091-210000-
/O.CON.KMPX.WI.Y.0007.000000T0000Z-200421T0000Z/
Stevens-Pope-Lac Qui Parle-Swift-Chippewa-Kandiyohi-
Yellow Medicine-Renville-Redwood-Brown-Watonwan-Martin-
Including the cities of Morris, Glenwood, Madison, Benson, 
Montevideo, Willmar, Granite Falls, Olivia, Redwood Falls, 
New Ulm, St James, and Fairmont
227 PM CDT Mon Apr 20 2020

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

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

* WHERE...Portions of central, south central, southwest and west 
  central Minnesota.

* WHEN...From 1 PM this afternoon to 7 PM CDT this evening.

* 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.

&&

$$

The office that day

Everything else NWS Twin Cities, MN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 20, 3:49 AM CDTRed Flag WarningMPXAnoka, Benton, Blue Earth, Brown, Carver, Chippewa and 36 more14 hr
Apr 20, 4:08 PM CDTSpecial Weather StatementMPXHennepin37 min
Apr 20, 4:16 PM CDTSpecial Weather StatementMPXWashington44 min
Apr 20, 4:31 PM CDTSpecial Weather StatementMPXDakota29 min
Apr 20, 4:59 PM CDTSpecial Weather StatementMPXScott31 min
Apr 20, 5:43 PM CDTSpecial Weather StatementMPXGoodhue47 min

Nearby

Wind 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.