Alert archive / Michigan / Frost Advisories in 2021
Frost Advisory 3, NWS Detroit, MI
NWS Detroit, MI issued this frost advisory at May 10, 2021, 2:23 PM EDT for 6 counties in Michigan. It took effect at May 11, 2021, 2:00 AM EDT. It was in force for 6 hr.
The area
The counties it named.
The facts
- Issued
- May 10, 2021, 2:23 PM EDT (18:23 UTC)
- In effect from
- May 11, 2021, 2:00 AM EDT
- Expired
- May 11, 2021, 7:33 AM EDT
- In force
- 6 hr
- Issued by
- NWS Detroit, MI
Counties Lenawee County, MI, Macomb County, MI, Monroe County, MI, Oakland County, MI, Washtenaw County, MI, Wayne County, MI
The radar
The Detroit radar (KDTX), 47 km from the middle of the area, began a volume at 18:24 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, 6.4 hours before the alert went out and 49 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
- 1095 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- -37 m²/s²
- 0-3 km storm-relative helicity
- -50 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
092 WWUS73 KDTX 101823 NPWDTX URGENT - WEATHER MESSAGE National Weather Service Detroit/Pontiac MI 223 PM EDT Mon May 10 2021 MIZ047>049-053>055-060>063-068-111200- /O.NEW.KDTX.FZ.W.0003.210511T0600Z-210511T1200Z/ Midland-Bay-Huron-Saginaw-Tuscola-Sanilac-Shiawassee-Genesee- Lapeer-St. Clair-Livingston- Including the cities of Midland, Bay City, Bad Axe, Saginaw, Caro, Sandusky, Owosso, Flint, Lapeer, Port Huron, and Howell 223 PM EDT Mon May 10 2021 ...FREEZE WARNING IN EFFECT FROM 2 AM TO 8 AM EDT TUESDAY... * WHAT...Sub-freezing temperatures as low as 30 degrees expected. * WHERE...Portions of southeast Michigan. * WHEN...From 2 AM to 8 AM EDT Tuesday. * IMPACTS...Frost and freeze conditions may kill crops and other sensitive vegetation. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ MIZ069-070-075-076-082-083-111200- /O.NEW.KDTX.FR.Y.0003.210511T0600Z-210511T1200Z/ Oakland-Macomb-Washtenaw-Wayne-Lenawee-Monroe- Including the cities of Pontiac, Warren, Ann Arbor, Detroit, Adrian, and Monroe 223 PM EDT Mon May 10 2021 ...FROST ADVISORY IN EFFECT FROM 2 AM TO 8 AM EDT TUESDAY... * WHAT...Temperatures as low as 33 degrees will result in frost formation. * WHERE...Oakland, Macomb, Washtenaw, Wayne, Lenawee and Monroe Counties. * WHEN...From 2 AM to 8 AM EDT Tuesday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$
1 follow-up statement
071 WWUS73 KDTX 111133 NPWDTX URGENT - WEATHER MESSAGE National Weather Service Detroit/Pontiac MI 733 AM EDT Tue May 11 2021 MIZ047>049-053>055-060>063-068-111245- /O.CAN.KDTX.FZ.W.0003.000000T0000Z-210511T1200Z/ Midland-Bay-Huron-Saginaw-Tuscola-Sanilac-Shiawassee-Genesee- Lapeer-St. Clair-Livingston- Including the cities of Midland, Bay City, Bad Axe, Saginaw, Caro, Sandusky, Owosso, Flint, Lapeer, Port Huron, and Howell 733 AM EDT Tue May 11 2021 ...FREEZE WARNING IS CANCELLED... $$ MIZ069-070-075-076-082-083-111245- /O.CAN.KDTX.FR.Y.0003.000000T0000Z-210511T1200Z/ Oakland-Macomb-Washtenaw-Wayne-Lenawee-Monroe- Including the cities of Pontiac, Warren, Ann Arbor, Detroit, Adrian, and Monroe 733 AM EDT Tue May 11 2021 ...FROST ADVISORY IS CANCELLED... $$
The office that day
Everything else NWS Detroit, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 10, 2:23 PM EDT | Freeze Warning | DTX | Bay, Genesee, Huron, Lapeer, Livingston, Midland and 5 more | 17 hr |
Nearby
Frost Advisories in Michigan, 2021Every frost 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.