Alert archive / Michigan / Beach Hazards Statements in 2013

Beach Hazards Statement 6, NWS Gaylord, MI

August 21, 2013Benzie County, Leelanau County, Manistee County, Michigan

NWS Gaylord, MI issued this beach hazards statement at Aug 21, 2013, 5:21 AM EDT for Benzie County, Leelanau County, Manistee County, Michigan. It took effect at Aug 21, 2013, 8:00 AM EDT. It was in force for 15 hr.

The area

The counties it named.

The facts

Issued
Aug 21, 2013, 5:21 AM EDT (09:21 UTC)
In effect from
Aug 21, 2013, 8:00 AM EDT
Expired
Aug 21, 2013, 11:00 PM EDT
In force
15 hr
Issued by
NWS Gaylord, MI

Counties Benzie County, MI, Leelanau County, MI, Manistee County, MI

The radar

The NCL Michigan radar (KAPX), 116 km from the middle of the area, began a volume at 09:23 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

Green Bay/Straub, WI (KGRB), launched 00:00Z, 9.4 hours before the alert went out and 155 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, Green Bay/Straub, WI at 00:00Z on 2013-08-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 40 joules per kilogram.LCLLFCEL10008507005003002001001 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, Green Bay/Straub, WI at 00:00Z on 2013-08-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 39 square meters per square second.1939Sfc1 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
40 J/kg
Mixed-layer CIN
-155 J/kg
Mixed-layer LCL
1677 m above ground
0-6 km bulk shear
12 kt
0-1 km storm-relative helicity
39 m²/s²
0-3 km storm-relative helicity
55 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

440 
WHUS43 KAPX 210921
CFWAPX

LAKESHORE HAZARD MESSAGE
NATIONAL WEATHER SERVICE GAYLORD MI
521 AM EDT WED AUG 21 2013

MIZ020-025-031-211800-
/O.NEW.KAPX.BH.S.0006.130821T1200Z-130822T0000Z/
LEELANAU-BENZIE-MANISTEE-
521 AM EDT WED AUG 21 2013

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

THE NATIONAL WEATHER SERVICE IN GAYLORD HAS ISSUED A BEACH
HAZARDS STATEMENT FOR DANGEROUS SWIMMING CONDITIONS...WHICH IS IN
EFFECT THROUGH THIS EVENING. 

* HIGH WAVE ACTION AND DANGEROUS SHORELINE CURRENTS EXPECTED.

* LOCATION...BEACHES WITH PARTICULARLY DANGEROUS CONDITIONS 
  TODAY INCLUDE... 

LAKE MICHIGAN BEACHES IN MANISTEE...BENZIE...AND LEELANAU COUNTIES.

 PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE SURE OF YOUR SWIMMING ABILITY. CHILDREN SHOULD NOT ENTER THE
WATER UNSUPERVISED AND WITHOUT A CERTIFIED FLOTATION DEVICE.
CAUTION SHOULD BE USED WHEN IN OR NEAR THE WATER. PAY ATTENTION TO
FLAGS AND SIGNS POSTED NEAR BEACH ACCESS POINTS AND LIFEGUARD
STATIONS.

RIP CURRENTS ARE POWERFUL CHANNELS OF WATER FLOWING QUICKLY AWAY
FROM SHORE...WHICH OCCUR MOST OFTEN AT LOW SPOTS OR BREAKS IN
SANDBARS. RIP CURRENTS CAN SWEEP YOU OUT LAKEWARD.

&&

$$

MIZ015-211800-
/O.NEW.KAPX.BH.S.0006.130821T1200Z-130822T0000Z/
MACKINAC-
521 AM EDT WED AUG 21 2013

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

THE NATIONAL WEATHER SERVICE IN GAYLORD HAS ISSUED A BEACH
HAZARDS STATEMENT FOR DANGEROUS SWIMMING CONDITIONS...WHICH IS IN
EFFECT THROUGH THIS EVENING. 

* HIGH WAVE ACTION AND DANGEROUS SHORELINE CURRENTS EXPECTED.

* LOCATION...BEACHES WITH PARTICULARLY DANGEROUS CONDITIONS 
  TODAY INCLUDE... 

LAKE MICHIGAN BEACHES ALONG US-2 WEST OF THE MACKINAC BRIDGE

 PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE SURE OF YOUR SWIMMING ABILITY. CHILDREN SHOULD NOT ENTER THE
WATER UNSUPERVISED AND WITHOUT A CERTIFIED FLOTATION DEVICE.
CAUTION SHOULD BE USED WHEN IN OR NEAR THE WATER. PAY ATTENTION TO
FLAGS AND SIGNS POSTED NEAR BEACH ACCESS POINTS AND LIFEGUARD
STATIONS.

HIGH WAVE ACTION ALONE CAN MAKE SWIMMING DIFFICULT ON DAYS SUCH
AS THIS. INCOMING WAVES IN RAPID SUCCESSION CAN TIRE A SWIMMER
QUICKLY.

&&

$$


WEATHER.GOV/APX
1 follow-up statement
496 
WHUS43 KAPX 212000
CFWAPX

LAKESHORE HAZARD MESSAGE
NATIONAL WEATHER SERVICE GAYLORD MI
400 PM EDT WED AUG 21 2013

MIZ020-025-031-220300-
/O.EXT.KAPX.BH.S.0006.000000T0000Z-130822T0300Z/
LEELANAU-BENZIE-MANISTEE-
400 PM EDT WED AUG 21 2013

...BEACH HAZARDS STATEMENT NOW IN EFFECT UNTIL 11 PM EDT THIS
EVENING...

* HIGH WAVE ACTION AND DANGEROUS SHORELINE CURRENTS EXPECTED.

* LOCATION...BEACHES WITH PARTICULARLY DANGEROUS CONDITIONS 
  TODAY INCLUDE... 

LAKE MICHIGAN BEACHES IN MANISTEE...BENZIE...AND LEELANAU
COUNTIES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE SURE OF YOUR SWIMMING ABILITY. CHILDREN SHOULD NOT ENTER THE
WATER UNSUPERVISED AND WITHOUT A CERTIFIED FLOTATION DEVICE.
CAUTION SHOULD BE USED WHEN IN OR NEAR THE WATER. PAY ATTENTION
TO FLAGS AND SIGNS POSTED NEAR BEACH ACCESS POINTS AND LIFEGUARD
STATIONS.

RIP CURRENTS ARE POWERFUL CHANNELS OF WATER FLOWING QUICKLY AWAY
FROM SHORE...WHICH OCCUR MOST OFTEN AT LOW SPOTS OR BREAKS IN
SANDBARS. RIP CURRENTS CAN SWEEP YOU OUT LAKEWARD.

&&

$$

MIZ015-220300-
/O.EXT.KAPX.BH.S.0006.000000T0000Z-130822T0300Z/
MACKINAC-
400 PM EDT WED AUG 21 2013

...BEACH HAZARDS STATEMENT NOW IN EFFECT UNTIL 11 PM EDT THIS
EVENING...

* HIGH WAVE ACTION AND DANGEROUS SHORELINE CURRENTS EXPECTED.

* LOCATION...BEACHES WITH PARTICULARLY DANGEROUS CONDITIONS 
  TODAY INCLUDE... 

LAKE MICHIGAN BEACHES ALONG US-2 WEST OF THE MACKINAC BRIDGE

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE SURE OF YOUR SWIMMING ABILITY. CHILDREN SHOULD NOT ENTER THE
WATER UNSUPERVISED AND WITHOUT A CERTIFIED FLOTATION DEVICE.
CAUTION SHOULD BE USED WHEN IN OR NEAR THE WATER. PAY ATTENTION
TO FLAGS AND SIGNS POSTED NEAR BEACH ACCESS POINTS AND LIFEGUARD
STATIONS.

HIGH WAVE ACTION ALONE CAN MAKE SWIMMING DIFFICULT ON DAYS SUCH
AS THIS. INCOMING WAVES IN RAPID SUCCESSION CAN TIRE A SWIMMER
QUICKLY.

&&

$$

LAWRENCE

Nearby

Beach Hazards Statements in Michigan, 2013Every beach hazards statement in 2013

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.