Alert archive / Michigan / Beach Hazards Statements in 2021

Beach Hazards Statement 1, NWS Detroit, MI

June 14, 2021Huron County, Saint Clair County, Sanilac County, Michigan

NWS Detroit, MI issued this beach hazards statement at Jun 14, 2021, 9:52 PM EDT for Huron County, Saint Clair County, Sanilac County, Michigan. It took effect at Jun 15, 2021, 8:00 AM EDT. It was in force for 14 hr.

The area

The counties it named.

The facts

Issued
Jun 14, 2021, 9:52 PM EDT (01:52 UTC)
In effect from
Jun 15, 2021, 8:00 AM EDT
Expired
Jun 15, 2021, 10:00 PM EDT
In force
14 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 01:52 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, 1.9 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.

Skew-T log-pSkew-T log-p diagram, Detroit, MI at 00:00Z on 2021-06-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 306 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Detroit, MI at 00:00Z on 2021-06-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 72 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
306 J/kg
Mixed-layer CIN
-6 J/kg
Mixed-layer LCL
1136 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
72 m²/s²
0-3 km storm-relative helicity
56 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

888 
WHUS43 KDTX 150152
CFWDTX

Coastal Hazard Message
National Weather Service Detroit/Pontiac MI
952 PM EDT Mon Jun 14 2021

MIZ049-055-063-160200-
/O.NEW.KDTX.BH.S.0001.210615T1200Z-210616T0200Z/
Huron-Sanilac-St. Clair-
952 PM EDT Mon Jun 14 2021

...BEACH HAZARDS STATEMENT IN EFFECT FROM 8 AM EDT TUESDAY
THROUGH TUESDAY EVENING...

* WHAT...High wave action and dangerous swimming conditions 
  expected expected.

* WHERE...Huron, Sanilac and St. Clair Counties.

* WHEN...From 8 AM EDT Tuesday through Tuesday evening.

* IMPACTS...Strong currents can pull swimmers into deeper water.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain out of the water to avoid hazardous swimming conditions.

&&

$$
1 follow-up statement
279 
WHUS43 KDTX 150743
CFWDTX

Coastal Hazard Message
National Weather Service Detroit/Pontiac MI
343 AM EDT Tue Jun 15 2021

MIZ049-055-063-160200-
/O.CON.KDTX.BH.S.0001.210615T1200Z-210616T0200Z/
Huron-Sanilac-St. Clair-
343 AM EDT Tue Jun 15 2021

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM 8 AM EDT THIS
MORNING THROUGH THIS EVENING...

* WHAT...High wave action and dangerous swimming conditions 
  expected expected.

* WHERE...Huron, Sanilac and St. Clair Counties.

* WHEN...From 8 AM EDT Tuesday through Tuesday 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.

IssuedProductOfficeCountiesLasted
Jun 14, 9:44 PM EDTSmall Craft AdvisoryDTX24 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.