Alert archive / Michigan / Wind Advisories in 2021
Wind Advisory 7, NWS Detroit, MI
NWS Detroit, MI issued this wind advisory at Dec 6, 2021, 3:37 AM EST for 17 counties in Michigan. It took effect at Dec 6, 2021, 10:00 AM EST. It was in force for 9 hr.
The area
The counties it named.
The facts
- Issued
- Dec 6, 2021, 3:37 AM EST (08:37 UTC)
- In effect from
- Dec 6, 2021, 10:00 AM EST
- Expired
- Dec 6, 2021, 7:00 PM EST
- In force
- 9 hr
- Issued by
- NWS Detroit, MI
Counties Bay County, MI, Genesee County, MI, Huron County, MI, Lapeer County, MI, Lenawee County, MI, Livingston County, MI, Macomb County, MI, Midland County, MI, Monroe County, MI, Oakland County, MI, Saginaw County, MI, Saint Clair County, MI, Sanilac County, MI, Shiawassee County, MI, Tuscola County, MI, Washtenaw County, MI, Wayne County, MI
The radar
The Detroit radar (KDTX), 26 km from the middle of the area, began a volume at 08:38 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
Detroit, MI (KDTX), launched 00:00Z, 8.6 hours before the alert went out and 25 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 455 m above ground
- 0-6 km bulk shear
- 68 kt
- 0-1 km storm-relative helicity
- 907 m²/s²
- 0-3 km storm-relative helicity
- 922 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
410 WWUS73 KDTX 060837 NPWDTX URGENT - WEATHER MESSAGE National Weather Service Detroit/Pontiac MI 337 AM EST Mon Dec 6 2021 MIZ047>049-053>055-060>063-068>070-075-076-082-083-061645- /O.NEW.KDTX.WI.Y.0007.211206T1500Z-211207T0000Z/ Midland-Bay-Huron-Saginaw-Tuscola-Sanilac-Shiawassee-Genesee- Lapeer-St. Clair-Livingston-Oakland-Macomb-Washtenaw-Wayne- Lenawee-Monroe- Including the cities of Midland, Bay City, Bad Axe, Saginaw, Caro, Sandusky, Owosso, Flint, Lapeer, Port Huron, Howell, Pontiac, Warren, Ann Arbor, Detroit, Adrian, and Monroe 337 AM EST Mon Dec 6 2021 ...WIND ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 7 PM EST THIS EVENING... * WHAT...West winds 20 to 25 mph with gusts up to 45 mph expected. * WHERE...All of southeast Michigan. * WHEN...From 10 AM this morning to 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. * ADDITIONAL DETAILS...The winds will be accompanied by falling temperatures, leading to wind chill readings dropping into the teens by evening. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
2 follow-up statements
742 WWUS73 KDTX 061640 NPWDTX URGENT - WEATHER MESSAGE National Weather Service Detroit/Pontiac MI 1140 AM EST Mon Dec 6 2021 MIZ047>049-053>055-060>063-068>070-075-076-082-083-070000- /O.CON.KDTX.WI.Y.0007.000000T0000Z-211207T0000Z/ Midland-Bay-Huron-Saginaw-Tuscola-Sanilac-Shiawassee-Genesee- Lapeer-St. Clair-Livingston-Oakland-Macomb-Washtenaw-Wayne- Lenawee-Monroe- Including the cities of Midland, Bay City, Bad Axe, Saginaw, Caro, Sandusky, Owosso, Flint, Lapeer, Port Huron, Howell, Pontiac, Warren, Ann Arbor, Detroit, Adrian, and Monroe 1140 AM EST Mon Dec 6 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM EST THIS EVENING... * WHAT...West winds 20 to 25 mph with gusts up to 45 mph. * WHERE...Portions of southeast Michigan. * WHEN...Until 7 PM EST this evening. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...The winds will be accompanied by falling temperatures, leading to wind chill readings dropping into the teens by evening. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
409 WWUS73 KDTX 070003 NPWDTX URGENT - WEATHER MESSAGE National Weather Service Detroit/Pontiac MI 703 PM EST Mon Dec 6 2021 MIZ047>049-053>055-060>063-068>070-075-076-082-083-070115- /O.EXP.KDTX.WI.Y.0007.000000T0000Z-211207T0000Z/ Midland-Bay-Huron-Saginaw-Tuscola-Sanilac-Shiawassee-Genesee- Lapeer-St. Clair-Livingston-Oakland-Macomb-Washtenaw-Wayne- Lenawee-Monroe- Including the cities of Midland, Bay City, Bad Axe, Saginaw, Caro, Sandusky, Owosso, Flint, Lapeer, Port Huron, Howell, Pontiac, Warren, Ann Arbor, Detroit, Adrian, and Monroe 703 PM EST Mon Dec 6 2021 ...WIND ADVISORY HAS EXPIRED FOR SOUTHEAST MICHIGAN WHILE SCATTERED SNOW SHOWERS AND A FEW SLICKS SPOTS REMAIN POSSIBLE... Peak wind gusts have dropped below 40 mph across the area and the decreasing trend will continue during the evening. A few slick spots remain possible on area roads as temperatures drop below freezing and into the 20s tonight. $$
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.