Alert archive / Michigan / Beach Hazards Statements in 2020

Beach Hazards Statement 13, NWS Gaylord, MI

September 9, 2020Alcona County, Arenac County, Iosco County, Michigan

NWS Gaylord, MI issued this beach hazards statement at Sep 9, 2020, 3:34 AM EDT for Alcona County, Arenac County, Iosco County, Michigan. It was in force for 13 hr.

The area

The counties it named.

The facts

Issued
Sep 9, 2020, 3:34 AM EDT (07:34 UTC)
Expired
Sep 9, 2020, 4:08 PM EDT
In force
13 hr
Issued by
NWS Gaylord, MI

Counties Alcona County, MI, Arenac County, MI, Iosco County, MI

The radar

The NCL Michigan radar (KAPX), 112 km from the middle of the area, began a volume at 07:36 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

Alpena, MI (KAPX), launched 00:00Z, 7.6 hours before the alert went out and 120 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, Alpena, MI at 00:00Z on 2020-09-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Alpena, MI at 00:00Z on 2020-09-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 71 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1105 m above ground
0-6 km bulk shear
59 kt
0-1 km storm-relative helicity
71 m²/s²
0-3 km storm-relative helicity
604 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

636 
WHUS43 KAPX 090734
CFWAPX

Coastal Hazard Message
National Weather Service Gaylord MI
334 AM EDT Wed Sep 9 2020

MIZ030-036-042-091545-
/O.NEW.KAPX.BH.S.0013.200909T0734Z-200909T2300Z/
Alcona-Iosco-Arenac-
334 AM EDT Wed Sep 9 2020

...BEACH HAZARDS STATEMENT IN EFFECT THROUGH THIS EVENING...

* WHAT...High wave action, strong currents, dangerous swimming 
  conditions expected.

* WHERE...Alcona, Iosco and Arenac Counties.

* WHEN...Through early this evening.

* IMPACTS...High waves and strong currents will lead to dangerous
  swimming conditions.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain out of the water to avoid hazardous swimming conditions.
Please check with your local authorities on potential beach
closures.

&&

$$
2 follow-up statements
109 
WHUS43 KAPX 091518
CFWAPX

Coastal Hazard Message
National Weather Service Gaylord MI
1118 AM EDT Wed Sep 9 2020

MIZ030-036-042-092300-
/O.CON.KAPX.BH.S.0013.000000T0000Z-200909T2300Z/
Alcona-Iosco-Arenac-
1118 AM EDT Wed Sep 9 2020

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 7 PM EDT THIS
EVENING...

* WHAT...High wave action, strong currents, dangerous swimming 
  conditions expected.

* WHERE...Arenac, Iosco and Alcona Counties.

* WHEN...Until 7 PM EDT this evening.

* IMPACTS...High waves and strong currents will lead to dangerous
  swimming conditions.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain out of the water to avoid hazardous swimming conditions.
Please check with your local authorities on potential beach
closures.

&&

$$
987 
WHUS43 KAPX 092008
CFWAPX

Coastal Hazard Message
National Weather Service Gaylord MI
408 PM EDT Wed Sep 9 2020

MIZ030-036-042-092115-
/O.CAN.KAPX.BH.S.0013.000000T0000Z-200909T2300Z/
Alcona-Iosco-Arenac-
408 PM EDT Wed Sep 9 2020

...BEACH HAZARDS STATEMENT IS CANCELLED...


$$

Nearby

Beach Hazards Statements in Michigan, 2020Every beach hazards statement in 2020

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.