Alert archive / Michigan / Wind Advisories in 2021
Wind Advisory 9, NWS Detroit, MI
NWS Detroit, MI issued this wind advisory at Dec 11, 2021, 3:25 PM EST for 17 counties in Michigan. It was in force for 4 hr.
The area
The counties it named.
The facts
- Issued
- Dec 11, 2021, 3:25 PM EST (20:25 UTC)
- Expired
- Dec 11, 2021, 7:00 PM EST
- In force
- 4 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 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
Detroit, MI (KDTX), launched 12:00Z, 8.4 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
- 59 J/kg
- Mixed-layer CIN
- -67 J/kg
- Mixed-layer LCL
- 654 m above ground
- 0-6 km bulk shear
- 95 kt
- 0-1 km storm-relative helicity
- 216 m²/s²
- 0-3 km storm-relative helicity
- 289 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted.
921 WWUS73 KDTX 112025 NPWDTX URGENT - WEATHER MESSAGE National Weather Service Detroit/Pontiac MI 325 PM EST Sat Dec 11 2021 MIZ047-048-053-060>063-068>070-075-076-082-083-120000- /O.CAN.KDTX.HW.W.0003.000000T0000Z-211212T0100Z/ /O.NEW.KDTX.WI.Y.0009.211211T2025Z-211212T0000Z/ Midland-Bay-Saginaw-Shiawassee-Genesee-Lapeer-St. Clair- Livingston-Oakland-Macomb-Washtenaw-Wayne-Lenawee-Monroe- Including the cities of Midland, Bay City, Saginaw, Owosso, Flint, Lapeer, Port Huron, Howell, Pontiac, Warren, Ann Arbor, Detroit, Adrian, and Monroe 325 PM EST Sat Dec 11 2021 ...WIND ADVISORY IN EFFECT UNTIL 7 PM EST THIS EVENING... ...HIGH WIND WARNING IS CANCELLED... * WHAT...West winds 20 to 30 mph with gusts up to 50 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 more outages may result. * ADDITIONAL DETAILS...Winds will slowly subside this evening. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ MIZ049-054-055-120000- /O.CAN.KDTX.HW.W.0003.000000T0000Z-211212T0000Z/ /O.NEW.KDTX.WI.Y.0009.211211T2025Z-211212T0000Z/ Huron-Tuscola-Sanilac- Including the cities of Bad Axe, Caro, and Sandusky 325 PM EST Sat Dec 11 2021 ...WIND ADVISORY IN EFFECT UNTIL 7 PM EST THIS EVENING... ...HIGH WIND WARNING IS CANCELLED... * WHAT...West winds 25 to 35 mph with gusts up to 50 mph. * WHERE...Huron, Tuscola and Sanilac Counties. * WHEN...Until 7 PM EST this evening. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power more outages may result. * ADDITIONAL DETAILS...Winds will slowly subside this evening. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ Mann
2 follow-up statements
777 WWUS73 KDTX 112120 NPWDTX URGENT - WEATHER MESSAGE National Weather Service Detroit/Pontiac MI 420 PM EST Sat Dec 11 2021 MIZ047>049-053>055-060>063-068>070-075-076-082-083-120000- /O.CON.KDTX.WI.Y.0009.000000T0000Z-211212T0000Z/ 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 420 PM EST Sat Dec 11 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM EST THIS EVENING... * WHAT...West winds 20 to 30 mph with gusts up to 50 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...Winds will slowly subside this evening. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ IRL
743 WWUS73 KDTX 112355 NPWDTX URGENT - WEATHER MESSAGE National Weather Service Detroit/Pontiac MI 655 PM EST Sat Dec 11 2021 MIZ047>049-053>055-060>063-068>070-075-076-082-083-120100- /O.EXP.KDTX.WI.Y.0009.000000T0000Z-211212T0000Z/ Midland-Bay-Huron-Saginaw-Tuscola-Sanilac-Shiawassee-Genesee- Lapeer-St. Clair-Livingston-Oakland-Macomb-Washtenaw-Wayne- Lenawee-Monroe- Including the cities of Midland, Bay City, Bad Axe, Saginaw, Caro, Sandusky, Owosso, Flint, Lapeer, Port Huron, Howell, Pontiac, Warren, Ann Arbor, Detroit, Adrian, and Monroe 655 PM EST Sat Dec 11 2021 ...WIND ADVISORY WILL EXPIRE AT 7 PM EST THIS EVENING... West winds will continue to gust between 30 and 35 mph for a couple of hours this evening before diminishing to less than 20 mph. Therefore, the Wind Advisory will be allowed to expire. $$
The office that day
Everything else NWS Detroit, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 11, 1:33 AM EST | Special Weather Statement | DTX | Genesee, Lapeer, Lenawee, Livingston, Macomb, Monroe and 5 more | 87 min |
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.