Alert archive / Michigan / Beach Hazards Statements in 2021
Beach Hazards Statement 4, NWS Detroit, MI
NWS Detroit, MI issued this beach hazards statement at Jul 19, 2021, 9:59 PM EDT for 4 counties in Michigan. It took effect at Jul 20, 2021, 2:00 PM EDT. It was in force for 10 hr.
The area
The counties it named.
The facts
- Issued
- Jul 19, 2021, 9:59 PM EDT (01:59 UTC)
- In effect from
- Jul 20, 2021, 2:00 PM EDT
- Expired
- Jul 21, 2021, 12:00 AM EDT
- In force
- 10 hr
- Issued by
- NWS Detroit, MI
Counties Bay County, MI, Huron County, MI, Saint Clair County, MI, Sanilac County, MI
The radar
The Detroit radar (KDTX), 96 km from the middle of the area, began a volume at 02:02 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, 2.0 hours before the alert went out and 93 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
- 710 J/kg
- Mixed-layer CIN
- -30 J/kg
- Mixed-layer LCL
- 1260 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 28 m²/s²
- 0-3 km storm-relative helicity
- 37 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
327 WHUS43 KDTX 200159 CFWDTX Coastal Hazard Message National Weather Service Detroit/Pontiac MI 959 PM EDT Mon Jul 19 2021 MIZ049-201415- /O.NEW.KDTX.BH.S.0004.210720T1800Z-210721T1400Z/ Huron- 959 PM EDT Mon Jul 19 2021 ...BEACH HAZARDS STATEMENT IN EFFECT FROM TUESDAY AFTERNOON THROUGH WEDNESDAY MORNING... * WHAT... High wave action and dangerous swimming conditions expected. * WHERE...Huron County. * WHEN...From Tuesday afternoon through Wednesday morning. * IMPACTS...Strong currents can pull swimmers into deeper water. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid hazardous swimming conditions. && $$ MIZ055-063-201415- /O.NEW.KDTX.BH.S.0004.210720T2000Z-210721T1400Z/ Sanilac-St. Clair- 959 PM EDT Mon Jul 19 2021 ...BEACH HAZARDS STATEMENT IN EFFECT FROM TUESDAY AFTERNOON THROUGH WEDNESDAY MORNING... * WHAT... High wave action and dangerous swimming conditions expected. * WHERE...Sanilac and St. Clair Counties. * WHEN...From Tuesday afternoon through Wednesday morning. * IMPACTS...Strong currents can pull swimmers into deeper water. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid hazardous swimming conditions. && $$
2 follow-up statements
776 WHUS43 KDTX 200714 CFWDTX Coastal Hazard Message National Weather Service Detroit/Pontiac MI 314 AM EDT Tue Jul 20 2021 MIZ048-201515- /O.EXB.KDTX.BH.S.0004.210720T1800Z-210721T0400Z/ Bay- 314 AM EDT Tue Jul 20 2021 ...BEACH HAZARDS STATEMENT IN EFFECT FROM 2 PM EDT THIS AFTERNOON THROUGH THIS EVENING... * WHAT...Dangerous swimming conditions expected. * WHERE...Bay County. * WHEN...From 2 PM EDT 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. && $$ MIZ049-201515- /O.EXT.KDTX.BH.S.0004.210720T1800Z-210721T0400Z/ Huron- 314 AM EDT Tue Jul 20 2021 ...BEACH HAZARDS STATEMENT NOW IN EFFECT FROM 2 PM EDT THIS AFTERNOON THROUGH THIS EVENING... * WHAT... High wave action and dangerous swimming conditions expected. * WHERE...Huron County. * WHEN...From 2 PM EDT this afternoon through this evening. * IMPACTS...Strong currents can pull swimmers into deeper water. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid hazardous swimming conditions. && $$ MIZ055-063-201515- /O.EXT.KDTX.BH.S.0004.210720T2000Z-210721T0400Z/ Sanilac-St. Clair- 314 AM EDT Tue Jul 20 2021 ...BEACH HAZARDS STATEMENT NOW 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. && $$
341 WHUS43 KDTX 201353 CFWDTX Coastal Hazard Message National Weather Service Detroit/Pontiac MI 953 AM EDT Tue Jul 20 2021 MIZ048-210400- /O.CON.KDTX.BH.S.0004.210720T1800Z-210721T0400Z/ Bay- 953 AM EDT Tue Jul 20 2021 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM 2 PM EDT THIS AFTERNOON THROUGH THIS EVENING... * WHAT...Dangerous swimming conditions expected. * WHERE...Bay County. * WHEN...From 2 PM EDT this afternoon through this evening. * IMPACTS...Strong currents can pull swimmers into deeper water. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid hazardous swimming conditions. && $$ MIZ049-210400- /O.CON.KDTX.BH.S.0004.210720T1800Z-210721T0400Z/ Huron- 953 AM EDT Tue Jul 20 2021 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM 2 PM EDT THIS AFTERNOON THROUGH THIS EVENING... * WHAT...High wave action and dangerous swimming conditions expected. * WHERE...Huron County. * WHEN...From 2 PM EDT 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. && $$ MIZ055-063-210400- /O.CON.KDTX.BH.S.0004.210720T2000Z-210721T0400Z/ Sanilac-St. Clair- 953 AM EDT Tue Jul 20 2021 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM 4 PM EDT THIS AFTERNOON THROUGH THIS EVENING... * WHAT...High wave action and dangerous swimming conditions expected. * WHERE...Sanilac and St. Clair Counties. * WHEN...From 4 PM EDT this afternoon through this evening. * IMPACTS...Strong currents can pull swimmers into deeper water. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid hazardous swimming conditions. && $$
The office that day
Everything else NWS Detroit, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 19, 9:54 PM EDT | Small Craft Advisory | DTX | 42 hr | |
| Jul 20, 2:19 PM EDT | Special Marine Warning | DTX | 73 min | |
| Jul 20, 2:29 PM EDT | Special Weather Statement | DTX | Huron | 91 min |
| Jul 20, 2:57 PM EDT | Severe Thunderstorm Warning | DTX | Huron | 51 min |
| Jul 20, 3:06 PM EDT | Special Marine Warning | DTX | 84 min | |
| Jul 20, 3:35 PM EDT | Special Weather Statement | DTX | Sanilac | 55 min |
| Jul 20, 4:27 PM EDT | Special Weather Statement | DTX | Lapeer | 93 min |
| Jul 20, 4:57 PM EDT | Severe Thunderstorm Warning | DTX | Lapeer | 63 min |
| Jul 20, 5:59 PM EDT | Severe Thunderstorm Warning | DTX | Lapeer, Macomb, Oakland, Saint Clair | 61 min |
| Jul 20, 6:43 PM EDT | Severe Thunderstorm Warning | DTX | Macomb, Oakland | 62 min |
| Jul 20, 6:59 PM EDT | Special Weather Statement | DTX | Livingston, Oakland | 61 min |
| Jul 20, 7:28 PM EDT | Severe Thunderstorm Warning | DTX | Oakland, Wayne | 62 min |
| Jul 20, 7:53 PM EDT | Special Weather Statement | DTX | Washtenaw | 97 min |
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.