Alert archive / Michigan / Wind Advisories in 2021

Wind Advisory 6, NWS Gaylord, MI

December 6, 20216 counties in Michigan

NWS Gaylord, MI issued this wind advisory at Dec 6, 2021, 3:05 AM EST for 6 counties in Michigan. It took effect at Dec 6, 2021, 7:00 AM EST. It was in force for 12 hr.

The area

The counties it named.

The facts

Issued
Dec 6, 2021, 3:05 AM EST (08:05 UTC)
In effect from
Dec 6, 2021, 7:00 AM EST
Expired
Dec 6, 2021, 7:00 PM EST
In force
12 hr
Issued by
NWS Gaylord, MI

Counties Alcona County, MI, Alpena County, MI, Arenac County, MI, Gladwin County, MI, Iosco County, MI, Ogemaw County, MI

The radar

The NCL Michigan radar (KAPX), 94 km from the middle of the area, began a volume at 08:06 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

Alpena, MI (KAPX), launched 00:00Z, 8.1 hours before the alert went out and 130 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, Alpena, MI at 00:00Z on 2021-12-06Temperature 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, Alpena, MI at 00:00Z on 2021-12-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 675 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
502 m above ground
0-6 km bulk shear
90 kt
0-1 km storm-relative helicity
675 m²/s²
0-3 km storm-relative helicity
717 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

821 
WWUS73 KAPX 060805
NPWAPX

URGENT - WEATHER MESSAGE
National Weather Service Gaylord MI
305 AM EST Mon Dec 6 2021

MIZ024-030-035-036-041-042-061615-
/O.NEW.KAPX.WI.Y.0006.211206T1200Z-211207T0300Z/
Alpena-Alcona-Ogemaw-Iosco-Gladwin-Arenac-
Including the cities of Alpena, Harrisville, West Branch, 
Tawas City, Gladwin, and Standish
305 AM EST Mon Dec 6 2021

...WIND ADVISORY IN EFFECT FROM 7 AM THIS MORNING TO 10 PM EST
THIS EVENING...

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

* WHERE...Alpena, Alcona, Ogemaw, Iosco, Gladwin and Arenac 
  Counties.

* WHEN...From 7 AM this morning to 10 PM EST 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
750 
WWUS73 KAPX 062054
NPWAPX

URGENT - WEATHER MESSAGE
National Weather Service Gaylord MI
354 PM EST Mon Dec 6 2021

MIZ024-030-035-036-041-042-070000-
/O.EXT.KAPX.WI.Y.0006.000000T0000Z-211207T0000Z/
Alpena-Alcona-Ogemaw-Iosco-Gladwin-Arenac-
Including the cities of Alpena, Harrisville, West Branch, 
Tawas City, Gladwin, and Standish
354 PM EST Mon Dec 6 2021

...WIND ADVISORY NOW IN EFFECT UNTIL 7 PM EST THIS EVENING...

* WHAT...West winds 15 to 20 mph with gusts up to 45 mph.

* WHERE...Alpena, Arenac, Iosco, Ogemaw, Gladwin and Alcona 
  Counties.

* WHEN...Until 7 PM EST 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 Gaylord, MI issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Dec 6, 3:03 AM ESTWinter Weather AdvisoryAPXAntrim, Benzie, Charlevoix, Cheboygan, Chippewa, Crawford and 13 more25 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.