Alert archive / Michigan / Freeze Warnings in 2021
Freeze Warning 2, NWS Detroit, MI
NWS Detroit, MI issued this freeze warning at Apr 25, 2021, 3:42 AM EDT for 5 counties in Michigan. It took effect at Apr 26, 2021, 12:00 AM EDT. It was in force for 8 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Apr 25, 2021, 3:42 AM EDT (07:42 UTC)
- In effect from
- Apr 26, 2021, 12:00 AM EDT
- Expired
- Apr 26, 2021, 8:00 AM EDT
- In force
- 8 hr
- Issued by
- NWS Detroit, MI
Counties Huron County, MI, Lapeer County, MI, Saint Clair County, MI, Sanilac County, MI, Tuscola County, MI
The radar
The Detroit radar (KDTX), 85 km from the middle of the area, began a volume at 07:46 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, 7.7 hours before the alert went out and 82 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
- 728 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- 112 m²/s²
- 0-3 km storm-relative helicity
- 101 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
488 WWUS73 KDTX 250742 NPWDTX URGENT - WEATHER MESSAGE National Weather Service Detroit/Pontiac MI 342 AM EDT Sun Apr 25 2021 MIZ049-054-055-062-063-261200- /O.NEW.KDTX.FZ.W.0002.210426T0400Z-210426T1200Z/ Huron-Tuscola-Sanilac-Lapeer-St. Clair- Including the cities of Bad Axe, Caro, Sandusky, Lapeer, and Port Huron 342 AM EDT Sun Apr 25 2021 ...FREEZE WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM EDT MONDAY... * WHAT...Sub-freezing temperatures with lows in the upper 20s. * WHERE...Huron, Tuscola, Sanilac, Lapeer and St. Clair Counties. * WHEN...From midnight tonight to 8 AM EDT Monday. * IMPACTS...Frost and freeze conditions will kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. * ADDITIONAL DETAILS...Potential for damage to tender vegetation PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$
1 follow-up statement
146 WWUS73 KDTX 250744 CCA NPWDTX URGENT - WEATHER MESSAGE...CORRECTED National Weather Service Detroit/Pontiac MI 344 AM EDT Sun Apr 25 2021 MIZ049-054-055-062-063-261200- /O.COR.KDTX.FZ.W.0002.210426T0400Z-210426T1200Z/ Huron-Tuscola-Sanilac-Lapeer-St. Clair- Including the cities of Bad Axe, Caro, Sandusky, Lapeer, and Port Huron 344 AM EDT Sun Apr 25 2021 ...FREEZE WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM EDT MONDAY... * WHAT...Sub-freezing temperatures with lows in the upper 20s. * WHERE...Huron, Tuscola, Sanilac, Lapeer and St. Clair Counties. * WHEN...From midnight tonight to 8 AM EDT Monday. * IMPACTS...Freezing conditions will kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$
Nearby
Freeze Warnings in Michigan, 2021Every freeze warning 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.