Alert archive / Michigan / Beach Hazards Statements in 2021
Beach Hazards Statement 9, NWS Detroit, MI
NWS Detroit, MI issued this beach hazards statement at Sep 1, 2021, 3:40 AM EDT for Huron County, Saint Clair County, Sanilac County, Michigan. It took effect at Sep 1, 2021, 4:00 PM EDT. It was in force for 6 hr.
The area
The counties it named.
The facts
- Issued
- Sep 1, 2021, 3:40 AM EDT (07:40 UTC)
- In effect from
- Sep 1, 2021, 4:00 PM EDT
- Expired
- Sep 1, 2021, 10:00 PM EDT
- In force
- 6 hr
- Issued by
- NWS Detroit, MI
Counties Huron County, MI, Saint Clair County, MI, Sanilac County, MI
The radar
The Detroit radar (KDTX), 101 km from the middle of the area, began a volume at 07:43 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 98 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
- 1345 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 4 m²/s²
- 0-3 km storm-relative helicity
- 7 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
846 WHUS43 KDTX 010740 CFWDTX Coastal Hazard Message National Weather Service Detroit/Pontiac MI 340 AM EDT Wed Sep 1 2021 MIZ055-063-012000- /O.NEW.KDTX.BH.S.0009.210901T2000Z-210902T0200Z/ Sanilac-St. Clair- 340 AM EDT Wed Sep 1 2021 ...BEACH HAZARDS STATEMENT IN EFFECT FROM THIS AFTERNOON THROUGH THIS EVENING... * WHAT...High wave action and dangerous swimming conditions expected. * WHERE...Sanilac and St. Clair Counties. * WHEN...From this afternoon through this evening. * IMPACTS...Strong currents can pull swimmers into deeper water. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid hazardous swimming conditions. && $$
2 follow-up statements
068 WHUS43 KDTX 011952 CFWDTX Coastal Hazard Message National Weather Service Detroit/Pontiac MI 352 PM EDT Wed Sep 1 2021 MIZ049-020200- /O.EXA.KDTX.BH.S.0009.210901T2000Z-210902T0200Z/ Huron- 352 PM EDT Wed Sep 1 2021 ...BEACH HAZARDS STATEMENT IN EFFECT UNTIL 10 PM EDT THIS EVENING... * WHAT...High wave action and dangerous swimming conditions expected. * WHERE...Huron County. * WHEN...Until 10 PM EDT this evening. * IMPACTS...Strong currents can pull swimmers into deeper water. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid hazardous swimming conditions. && $$ MIZ055-063-020200- /O.CON.KDTX.BH.S.0009.210901T2000Z-210902T0200Z/ Sanilac-St. Clair- 352 PM EDT Wed Sep 1 2021 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 10 PM EDT THIS EVENING... * WHAT...High wave action and dangerous swimming conditions expected. * WHERE...Sanilac and St. Clair Counties. * WHEN...Until 10 PM EDT this evening. * IMPACTS...Strong currents can pull swimmers into deeper water. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid hazardous swimming conditions. && $$
695 WHUS43 KDTX 020144 CFWDTX Coastal Hazard Message National Weather Service Detroit/Pontiac MI 944 PM EDT Wed Sep 1 2021 MIZ049-055-063-020245- /O.EXP.KDTX.BH.S.0009.000000T0000Z-210902T0200Z/ Huron-Sanilac-St. Clair- 944 PM EDT Wed Sep 1 2021 ...BEACH HAZARDS STATEMENT WILL EXPIRE AT 10 PM EDT THIS EVENING... Hazardous beach conditions, including rip currents, are no longer anticipated for Lake Huron beaches along the Thumb, thus the Beach Hazards Statement will be allowed to expire. $$
The office that day
Everything else NWS Detroit, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 1, 3:38 AM EDT | Small Craft Advisory | DTX | 24 hr |
Nearby
Beach Hazards Statements in Michigan, 2021Every beach hazards statement 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.