Alert archive / Michigan / Beach Hazards Statements in 2021

Beach Hazards Statement 22, NWS Grand Rapids, MI

September 6, 20216 counties in Michigan

NWS Grand Rapids, MI issued this beach hazards statement at Sep 6, 2021, 3:50 PM EDT for 6 counties in Michigan. It took effect at Sep 7, 2021, 8:00 AM EDT. It was in force for 48 hr.

The area

The counties it named.

The facts

Issued
Sep 6, 2021, 3:50 PM EDT (19:50 UTC)
In effect from
Sep 7, 2021, 8:00 AM EDT
Expired
Sep 9, 2021, 8:00 AM EDT
In force
48 hr
Issued by
NWS Grand Rapids, MI

Counties Allegan County, MI, Mason County, MI, Muskegon County, MI, Oceana County, MI, Ottawa County, MI, Van Buren County, MI

The radar

The Grand Rapids radar (KGRR), 60 km from the middle of the area, began a volume at 19:53 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 12:00Z, 7.8 hours before the alert went out and 214 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 12:00Z on 2021-09-06Temperature 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, Green Bay/Straub, WI at 12:00Z on 2021-09-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 91 square meters per square second.1939587897Sfc1 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
1193 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
91 m²/s²
0-3 km storm-relative helicity
150 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

652 
WHUS43 KGRR 061950
CFWGRR

Coastal Hazard Message
National Weather Service Grand Rapids MI
350 PM EDT Mon Sep 6 2021

MIZ037-043-050-056-064-071-070400-
/O.NEW.KGRR.BH.S.0022.210907T1200Z-210909T0000Z/
Mason-Oceana-Muskegon-Ottawa-Allegan-Van Buren-
350 PM EDT Mon Sep 6 2021

...BEACH HAZARDS STATEMENT IN EFFECT FROM TUESDAY MORNING THROUGH
WEDNESDAY EVENING...

* WHAT...High wave action, strong currents, and dangerous 
  swimming conditions expected. Piers may be heavily swamped by 
  waves.

* WHERE...Mason, Oceana, Muskegon, Ottawa, Allegan and Van Buren 
  counties.

* WHEN...From Tuesday morning through Wednesday evening.

* IMPACTS...Strong currents can pull swimmers into deeper water 
  and high waves can sweep people off piers.

* ADDITIONAL DETAILS...South winds from 20 to 30 knots are
  expected Tuesday but stronger winds, exceeding gale force are
  possible in strong thunderstorms in the early to mid afternoon.
  Once the cold front comes through in the early to mid evening
  winds will turn to the west and by mid morning Wednesday to the
  northwest. On Tuesday the south winds will result in the most
  dangerous conditions on south facing piers. On Wednesday, with
  winds from the northwest the most dangerous piers will be the 
  north facing ones.
  

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain out of the water to avoid hazardous swimming conditions
and do not venture out on piers. Please check with your local
authorities on potential beach closures.

&&

$$

wdm
13 follow-up statements
875 
WHUS43 KGRR 070202
CFWGRR

Coastal Hazard Message
National Weather Service Grand Rapids MI
1002 PM EDT Mon Sep 6 2021

MIZ037-043-050-056-064-071-071015-
/O.CON.KGRR.BH.S.0022.210907T1200Z-210909T0000Z/
Mason-Oceana-Muskegon-Ottawa-Allegan-Van Buren-
1002 PM EDT Mon Sep 6 2021

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

* WHAT...High wave action, strong currents, and dangerous 
  swimming conditions expected. Piers may be heavily swamped by 
  waves.

* WHERE...Mason, Oceana, Ottawa, Allegan, Van Buren and Muskegon 
  counties.

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

* IMPACTS...Strong currents can pull swimmers into deeper water 
  and high waves can sweep people off piers.

* ADDITIONAL DETAILS...Southerly winds to 30 mph on Tuesday will
  make swimming near south piers particularly dangerous. On
  Wednesday the winds will be out of the northwest to 30 mph,
  making the north piers more dangerous. A period of thunderstorms
  with strong wind gusts over 40 mph is possible Tuesday 
  afternoon into the early evening. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain out of the water to avoid hazardous swimming conditions
and do not venture out on piers. Please check with your local
authorities on potential beach closures.

&&

$$
477 
WHUS43 KGRR 070743
CFWGRR

Coastal Hazard Message
National Weather Service Grand Rapids MI
343 AM EDT Tue Sep 7 2021

MIZ037-043-050-056-064-071-071545-
/O.CON.KGRR.BH.S.0022.210907T1200Z-210909T0000Z/
Mason-Oceana-Muskegon-Ottawa-Allegan-Van Buren-
343 AM EDT Tue Sep 7 2021

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

* WHAT...High wave action, strong currents, and dangerous 
  swimming conditions expected. Piers may be heavily swamped by 
  waves.

* WHERE...Mason, Oceana, Ottawa, Allegan, Van Buren and Muskegon 
  counties.

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

* IMPACTS...Strong currents can pull swimmers into deeper water 
  and high waves can sweep people off piers.

* ADDITIONAL DETAILS...Southerly winds to 30 mph on Tuesday will
  make swimming near south piers particularly dangerous. On
  Wednesday the winds will be northwest to 30 mph, making the 
  north piers more dangerous. A period of thunderstorms with 
  strong wind gusts over 40 mph is possible this afternoon into 
  the early evening.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain out of the water to avoid hazardous swimming conditions
and do not venture out on piers. Please check with your local
authorities on potential beach closures.

&&

$$
311 
WHUS43 KGRR 071400
CFWGRR

Coastal Hazard Message
National Weather Service Grand Rapids MI
1000 AM EDT Tue Sep 7 2021

MIZ037-043-050-056-064-071-072200-
/O.CON.KGRR.BH.S.0022.000000T0000Z-210909T0000Z/
Mason-Oceana-Muskegon-Ottawa-Allegan-Van Buren-
1000 AM EDT Tue Sep 7 2021

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH WEDNESDAY
EVENING...

* WHAT...High wave action, strong currents, and dangerous 
  swimming conditions expected. Piers may be heavily swamped by 
  waves.

* WHERE...Mason, Oceana, Ottawa, Allegan, Van Buren and Muskegon 
  counties.

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

* IMPACTS...Strong currents can pull swimmers into deeper water 
  and high waves can sweep people off piers.

* ADDITIONAL DETAILS...Southerly winds to 30 mph on today will
  make swimming near south piers particularly dangerous. On
  Wednesday the winds will be northwest to 30 mph, making the
  north piers more dangerous. A period of thunderstorms with
  strong wind gusts over 40 mph is expected this afternoon into 
  the early evening.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain out of the water to avoid hazardous swimming conditions
and do not venture out on piers. Please check with your local
authorities on potential beach closures.

&&

$$

wdm
133 
WHUS43 KGRR 071801
CFWGRR

Lakeshore Hazard Message
National Weather Service Grand Rapids MI
201 PM EDT Tue Sep 7 2021

MIZ050-080215-
/O.NEW.KGRR.LS.Y.0002.210907T1801Z-210908T0000Z/
/O.CON.KGRR.BH.S.0022.000000T0000Z-210909T0000Z/
Muskegon-
201 PM EDT Tue Sep 7 2021

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH WEDNESDAY
EVENING...
...LAKESHORE FLOOD ADVISORY IN EFFECT UNTIL 8 PM EDT THIS
EVENING...

* WHAT...For the Lakeshore Flood Advisory, minor beach erosion 
  and lakeshore flooding expected. For the Beach Hazards 
  Statement, high wave action, strong currents, and dangerous 
  swimming conditions expected. Piers may be heavily swamped by 
  waves.

* WHERE...Muskegon county.

* WHEN...For the Lakeshore Flood Advisory, until 8 PM EDT this 
  evening. For the Beach Hazards Statement, through Wednesday 
  evening.

* IMPACTS...Parking lots and roads along the immediate lakeshore 
  will experience minor flooding. Minor erosion of beaches and 
  sand dunes is expected. Strong currents can pull swimmers into 
  deeper water and high waves can sweep people off piers.

* ADDITIONAL DETAILS...A period of thunderstorms with strong wind
  gusts over 40 mph is expected this afternoon into the early 
  evening.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Lakeshore Flood Advisory indicates that onshore winds will
generate flooding of low areas along the lakeshore. Some minor
beach and dune erosion is also likely.

Remain out of the water to avoid hazardous swimming conditions
and do not venture out on piers. Please check with your local
authorities on potential beach closures.

&&

$$

MIZ037-043-056-064-071-080215-
/O.CON.KGRR.BH.S.0022.000000T0000Z-210909T0000Z/
Mason-Oceana-Ottawa-Allegan-Van Buren-
201 PM EDT Tue Sep 7 2021

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH WEDNESDAY
EVENING...

* WHAT...High wave action, strong currents, and dangerous 
  swimming conditions expected. Piers may be heavily swamped by 
  waves.

* WHERE...Mason, Oceana, Ottawa, Allegan and Van Buren counties.

* WHEN...Through Wednesday evening.

* IMPACTS...Strong currents can pull swimmers into deeper water 
  and high waves can sweep people off piers.

* ADDITIONAL DETAILS...Southerly winds to 30 mph on today will
  make swimming near south piers particularly dangerous. On
  Wednesday the winds will be northwest to 30 mph, making the
  north piers more dangerous. A period of thunderstorms with
  strong wind gusts over 40 mph is expected this afternoon into 
  the early evening..

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain out of the water to avoid hazardous swimming conditions
and do not venture out on piers. Please check with your local
authorities on potential beach closures.

&&

$$
915 
WHUS43 KGRR 071957
CFWGRR

Lakeshore Hazard Message
National Weather Service Grand Rapids MI
357 PM EDT Tue Sep 7 2021

MIZ050-080400-
/O.CON.KGRR.LS.Y.0002.000000T0000Z-210908T0000Z/
/O.CON.KGRR.BH.S.0022.000000T0000Z-210909T0000Z/
Muskegon-
357 PM EDT Tue Sep 7 2021

...LAKESHORE FLOOD ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS
EVENING...
...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH WEDNESDAY
EVENING...

* WHAT...For the Lakeshore Flood Advisory, minor beach erosion 
  and lakeshore flooding expected. For the Beach Hazards 
  Statement, high wave action, strong currents, and dangerous 
  swimming conditions expected. Piers may be heavily swamped by 
  waves.

* WHERE...Muskegon county.

* WHEN...For the Lakeshore Flood Advisory, until 8 PM EDT this 
  evening. For the Beach Hazards Statement, through Wednesday 
  evening.

* IMPACTS...Parking lots and roads along the immediate lakeshore 
  will experience minor flooding. Minor erosion of beaches and 
  sand dunes is expected. Strong currents can pull swimmers into 
  deeper water and high waves can sweep people off piers.

* ADDITIONAL DETAILS...Scattered thunderstorms with strong wind
  gusts over 40 mph is expected into this evening. The storms
  should come to an end by evening. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Lakeshore Flood Advisory indicates that onshore winds will
generate flooding of low areas along the lakeshore. Some minor
beach and dune erosion is also likely.

Remain out of the water to avoid hazardous swimming conditions
and do not venture out on piers. Please check with your local
authorities on potential beach closures.

&&

$$

MIZ037-043-056-064-071-080400-
/O.CON.KGRR.BH.S.0022.000000T0000Z-210909T0000Z/
Mason-Oceana-Ottawa-Allegan-Van Buren-
357 PM EDT Tue Sep 7 2021

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH WEDNESDAY
EVENING...

* WHAT...High wave action, strong currents, and dangerous 
  swimming conditions expected. Piers may be heavily swamped by 
  waves.

* WHERE...Mason, Oceana, Ottawa, Allegan and Van Buren counties.

* WHEN...Through Wednesday evening.

* IMPACTS...Strong currents can pull swimmers into deeper water 
  and high waves can sweep people off piers.

* ADDITIONAL DETAILS...Southwest winds to 30 mph this evening  
  will make swimming near south piers particularly dangerous. On 
  Wednesday the winds will be northwest to 30 mph, making the 
  north piers more dangerous. A period of thunderstorms with 
  strong wind gusts over 40 mph is expected this afternoon into 
  the early evening.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain out of the water to avoid hazardous swimming conditions
and do not venture out on piers. Please check with your local
authorities on potential beach closures.

&&

$$

wdm
891 
WHUS43 KGRR 072157
CFWGRR

Lakeshore Hazard Message
National Weather Service Grand Rapids MI
557 PM EDT Tue Sep 7 2021

MIZ050-080600-
/O.CAN.KGRR.LS.Y.0002.000000T0000Z-210908T0000Z/
/O.CON.KGRR.BH.S.0022.000000T0000Z-210909T0000Z/
Muskegon-
557 PM EDT Tue Sep 7 2021

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH WEDNESDAY
EVENING...
...LAKESHORE FLOOD ADVISORY IS CANCELLED...

* WHAT...The treat for the Lakeshore Flood Advisory, minor beach
  erosion and lakeshore flooding has ended.

* WHERE...Muskegon county.

* WHEN...cancelled.

* IMPACTS...No impactes expected as the threat has ended.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain out of the water to avoid hazardous swimming conditions
and do not venture out on piers. Please check with your local
authorities on potential beach closures.

&&

$$

MIZ037-043-056-064-071-080600-
/O.CON.KGRR.BH.S.0022.000000T0000Z-210909T0000Z/
Mason-Oceana-Ottawa-Allegan-Van Buren-
557 PM EDT Tue Sep 7 2021

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH WEDNESDAY
EVENING...

* WHAT...High wave action, strong currents, and dangerous 
  swimming conditions expected. Piers may be heavily swamped by 
  waves.

* WHERE...Mason, Oceana, Ottawa, Allegan and Van Buren counties.

* WHEN...Through Wednesday evening.

* IMPACTS...Strong currents can pull swimmers into deeper water 
  and high waves can sweep people off piers.

* ADDITIONAL DETAILS...Southwest winds to 30 mph this evening 
  will make swimming near south piers particularly dangerous. On 
  Wednesday the winds will be northwest to 30 mph, making the 
  north piers more dangerous. A period of thunderstorms with 
  strong wind gusts over 40 mph is expected this afternoon into 
  the early evening.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain out of the water to avoid hazardous swimming conditions
and do not venture out on piers. Please check with your local
authorities on potential beach closures.

&&

$$

wdm
931 
WHUS43 KGRR 080201
CFWGRR

Coastal Hazard Message
National Weather Service Grand Rapids MI
1001 PM EDT Tue Sep 7 2021

MIZ037-043-050-056-064-071-081015-
/O.CON.KGRR.BH.S.0022.000000T0000Z-210909T0000Z/
Mason-Oceana-Muskegon-Ottawa-Allegan-Van Buren-
1001 PM EDT Tue Sep 7 2021

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH WEDNESDAY
EVENING...

* WHAT...High wave action, strong currents, and dangerous 
  swimming conditions expected. Piers may be heavily swamped by 
  waves.

* WHERE...Mason, Oceana, Ottawa, Allegan, Van Buren and Muskegon 
  counties.

* WHEN...Through Wednesday evening.

* IMPACTS...Strong currents can pull swimmers into deeper water 
  and high waves can sweep people off piers.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain out of the water to avoid hazardous swimming conditions
and do not venture out on piers. Please check with your local
authorities on potential beach closures.

&&

$$
074 
WHUS43 KGRR 080732
CFWGRR

Coastal Hazard Message
National Weather Service Grand Rapids MI
332 AM EDT Wed Sep 8 2021

MIZ037-043-050-056-064-071-081545-
/O.CON.KGRR.BH.S.0022.000000T0000Z-210909T0000Z/
Mason-Oceana-Muskegon-Ottawa-Allegan-Van Buren-
332 AM EDT Wed Sep 8 2021

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

* WHAT...High wave action, strong currents, and dangerous 
  swimming conditions expected. Piers may be heavily swamped by 
  waves.

* WHERE...Mason, Oceana, Ottawa, Allegan, Van Buren and Muskegon 
  counties.

* WHEN...Through Wednesday evening.

* IMPACTS...Strong currents can pull swimmers into deeper water 
  and high waves can sweep people off piers.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain out of the water to avoid hazardous swimming conditions
and do not venture out on piers. Please check with your local
authorities on potential beach closures.

&&

$$
440 
WHUS43 KGRR 081455
CFWGRR

Coastal Hazard Message
National Weather Service Grand Rapids MI
1055 AM EDT Wed Sep 8 2021

MIZ037-043-050-056-064-071-082300-
/O.EXT.KGRR.BH.S.0022.000000T0000Z-210909T1200Z/
Mason-Oceana-Muskegon-Ottawa-Allegan-Van Buren-
1055 AM EDT Wed Sep 8 2021

...BEACH HAZARDS STATEMENT NOW IN EFFECT THROUGH THURSDAY
MORNING...

* WHAT...High wave action, strong currents, and dangerous 
  swimming conditions expected. Piers may be heavily swamped by 
  waves.

* WHERE...Mason, Oceana, Ottawa, Allegan, Van Buren and Muskegon 
  counties.

* WHEN...Through Thursday morning.

* IMPACTS...Strong currents can pull swimmers into deeper water 
  and high waves can sweep people off piers.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain out of the water to avoid hazardous swimming conditions
and do not venture out on piers. Please check with your local
authorities on potential beach closures.

&&

$$
107 
WHUS43 KGRR 081940
CFWGRR

Coastal Hazard Message
National Weather Service Grand Rapids MI
340 PM EDT Wed Sep 8 2021

MIZ037-043-050-056-064-071-090345-
/O.CON.KGRR.BH.S.0022.000000T0000Z-210909T1200Z/
Mason-Oceana-Muskegon-Ottawa-Allegan-Van Buren-
340 PM EDT Wed Sep 8 2021

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH THURSDAY
MORNING...

* WHAT...High wave action, strong currents, and dangerous 
  swimming conditions expected. Piers may be heavily swamped by 
  waves.

* WHERE...Mason, Oceana, Ottawa, Allegan, Van Buren and Muskegon 
  counties.

* WHEN...Through Thursday morning.

* IMPACTS...Strong currents can pull swimmers into deeper water 
  and high waves can sweep people off piers.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain out of the water to avoid hazardous swimming conditions
and do not venture out on piers. Please check with your local
authorities on potential beach closures.

&&

$$
494 
WHUS43 KGRR 090335
CFWGRR

Coastal Hazard Message
National Weather Service Grand Rapids MI
1135 PM EDT Wed Sep 8 2021

MIZ037-043-050-056-064-071-091145-
/O.CON.KGRR.BH.S.0022.000000T0000Z-210909T1200Z/
Mason-Oceana-Muskegon-Ottawa-Allegan-Van Buren-
1135 PM EDT Wed Sep 8 2021

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 8 AM EDT
THURSDAY...

* WHAT...High wave action, strong currents, and dangerous 
  swimming conditions expected. Piers may be heavily swamped by 
  waves.

* WHERE...Mason, Oceana, Ottawa, Allegan, Van Buren and Muskegon 
  counties.

* WHEN...Until 8 AM EDT Thursday.

* IMPACTS...Strong currents can pull swimmers into deeper water 
  and high waves can sweep people off piers.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain out of the water to avoid hazardous swimming conditions
and do not venture out on piers. Please check with your local
authorities on potential beach closures.

&&

$$
203 
WHUS43 KGRR 090731
CFWGRR

Coastal Hazard Message
National Weather Service Grand Rapids MI
331 AM EDT Thu Sep 9 2021

MIZ037-043-050-056-064-071-091200-
/O.CON.KGRR.BH.S.0022.000000T0000Z-210909T1200Z/
Mason-Oceana-Muskegon-Ottawa-Allegan-Van Buren-
331 AM EDT Thu Sep 9 2021

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 8 AM EDT THIS
MORNING...

* WHAT...High wave action, strong currents, and dangerous 
  swimming conditions expected. Piers may be heavily swamped by 
  waves.

* WHERE...Mason, Oceana, Ottawa, Allegan, Van Buren and Muskegon 
  counties.

* WHEN...Until 8 AM EDT this morning.

* IMPACTS...Strong currents can pull swimmers into deeper water 
  and high waves can sweep people off piers.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain out of the water to avoid hazardous swimming conditions
and do not venture out on piers. Please check with your local
authorities on potential beach closures.

&&

$$
670 
WHUS43 KGRR 091144
CFWGRR

Coastal Hazard Message
National Weather Service Grand Rapids MI
744 AM EDT Thu Sep 9 2021

MIZ037-043-050-056-064-071-091245-
/O.EXP.KGRR.BH.S.0022.000000T0000Z-210909T1200Z/
Mason-Oceana-Muskegon-Ottawa-Allegan-Van Buren-
744 AM EDT Thu Sep 9 2021

...BEACH HAZARDS STATEMENT WILL EXPIRE AT 8 AM EDT THIS MORNING...

The waves are predicted to remain under 4 feet today. Thus the
hazard will be allowed to expire.

$$

The office that day

Everything else NWS Grand Rapids, MI issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 6, 3:46 PM EDTSmall Craft AdvisoryGRR64 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.