Alert archive / Michigan / Wind Advisories in 2021

Wind Advisory 1, NWS Marquette, MI

January 20, 2021Houghton County, Keweenaw County, Michigan

NWS Marquette, MI issued this wind advisory at Jan 20, 2021, 3:23 PM EST for Houghton County, Keweenaw County, Michigan. It took effect at Jan 20, 2021, 10:00 PM EST. It was in force for 14 hr.

The area

The counties it named.

The facts

Issued
Jan 20, 2021, 3:23 PM EST (20:23 UTC)
In effect from
Jan 20, 2021, 10:00 PM EST
Expired
Jan 21, 2021, 12:00 PM EST
In force
14 hr
Issued by
NWS Marquette, MI

Counties Houghton County, MI, Keweenaw County, MI

The radar

The Marquette radar (KMQT), 95 km from the middle of the area, began a volume at 20:27 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

Green Bay/Straub, WI (KGRB), launched 12:00Z, 8.4 hours before the alert went out and 297 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, Green Bay/Straub, WI at 12:00Z on 2021-01-20Temperature 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, Green Bay/Straub, WI at 12:00Z on 2021-01-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 86 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
1102 m above ground
0-6 km bulk shear
80 kt
0-1 km storm-relative helicity
86 m²/s²
0-3 km storm-relative helicity
196 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

965 
WWUS73 KMQT 202023
NPWMQT

URGENT - WEATHER MESSAGE
National Weather Service Marquette MI
323 PM EST Wed Jan 20 2021

MIZ001-003-211100-
/O.NEW.KMQT.WI.Y.0001.210121T0300Z-210121T1700Z/
Keweenaw-Northern Houghton-
Including the cities of Copper Harbor, Houghton, and Hancock
323 PM EST Wed Jan 20 2021

...WIND ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO NOON EST
THURSDAY...

* WHAT...West winds 20 to 30 mph with gusts up to 50 mph 
  expected.

* WHERE...Keweenaw and Northern Houghton Counties.

* WHEN...From 10 PM this evening to noon EST Thursday.

* IMPACTS...Gusty winds could blow around unsecured objects. Tree
  limbs could be blown down and a few power outages may result.
  Blowing snow is likely in exposed areas, which could reduce
  visibility and lead to some drifting on area roadways. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
1 follow-up statement
206 
WWUS73 KMQT 211250
NPWMQT

URGENT - WEATHER MESSAGE
National Weather Service Marquette MI
750 AM EST Thu Jan 21 2021

MIZ001-003-211700-
/O.CON.KMQT.WI.Y.0001.000000T0000Z-210121T1700Z/
Keweenaw-Northern Houghton-
Including the cities of Copper Harbor, Houghton, and Hancock
750 AM EST Thu Jan 21 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL NOON EST TODAY...

* WHAT...West winds 20 to 30 mph with gusts up to 50 mph 
  expected.

* WHERE...Keweenaw and Northern Houghton Counties.

* WHEN...Until noon today.

* IMPACTS...Gusty winds could blow around unsecured objects. Tree
  limbs could be blown down and a few power outages may result.
  Blowing snow is likely in exposed areas, which could reduce
  visibility and lead to some drifting on area roadways. 

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 Marquette, MI issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jan 20, 3:03 AM ESTLakeshore Flood AdvisoryMQTHoughton, Keweenaw, Schoolcraft30 hr
Jan 20, 3:03 AM ESTWinter Weather AdvisoryMQTAlger, Luce, Schoolcraft12 hr
Jan 20, 3:15 PM ESTLakeshore Flood AdvisoryMQTAlger, Luce25 hr

Nearby

Wind Advisories in Michigan, 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.