Alert archive / Michigan / Flash Flood Warnings in 2018

Flash Flood Warning 1, NWS Gaylord, MI

May 4, 2018Charlevoix County, Michigan

NWS Gaylord, MI issued this flash flood warning at May 4, 2018, 10:11 AM EDT for Charlevoix County, Michigan. It was in force for 4 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: May 4, 2018, 10:11 AM EDT (14:11 UTC)
Expired: May 4, 2018, 2:15 PM EDT
In force: 4 hr
Issued by: NWS Gaylord, MI
Area: Storm-based polygon
Flood severity: None

County Charlevoix County, MI

The radar

The NCL Michigan radar (KAPX), 52 km from the middle of the area, began a volume at 14:11 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 12:00Z, 2.2 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 429 m above ground
0-6 km bulk shear: 73 kt
0-1 km storm-relative helicity: 523 m²/s²
0-3 km storm-relative helicity: 583 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

312 
WGUS53 KAPX 041411
FFWAPX
MIC029-041815-
/O.NEW.KAPX.FF.W.0001.180504T1411Z-180504T1815Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Gaylord MI
1011 AM EDT FRI MAY 4 2018

The National Weather Service in Gaylord has issued a

* Flash Flood Warning for...
  Charlevoix County in northern Michigan...

* Until 215 PM EDT

* At 1008 AM EDT, local law enforcement and the Charlevoix Road 
  Commission reported flooding on some area roadways due to heavy 
  rain across the warned area. Up to two inches of rain have already 
  fallen. Flash flooding is already occurring.

* Some locations that will experience flooding include...
  Boyne City, Charlevoix, East Jordan, Boyne Falls, Fishermans Island
  State Park, Ironton, Horton Bay, Walloon Lake and Young State Park.

Some flooded roads are closed. Mud and debris was reported on Boyne 
City Charlevoix Road. So far, most of the reported flooding has been 
across the eastern side of Charlevoix county.

Additional rainfall amounts of around an inch are possible in the 
warned area through early afternoon.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

Stay away or be swept away. River banks and culverts can become
unstable and unsafe.

Please report flooding to your local law enforcement agency when you
can do so safely.

A Flash Flood Warning means that flooding is imminent or occurring.
If you are in the warned area move to higher ground immediately.
Residents living along streams and creeks should take immediate
precautions to protect life and property.

&&

LAT...LON 4530 8535 4538 8522 4536 8511 4534 8509
      4534 8508 4532 8505 4527 8501 4529 8474
      4512 8474 4512 8522 4521 8522 4521 8539

$$

MLR

2 follow-up statements

550 
WGUS73 KAPX 041505
FFSAPX

Flash Flood Statement
National Weather Service Gaylord MI
1105 AM EDT FRI MAY 4 2018

MIC029-041815-
/O.CON.KAPX.FF.W.0001.000000T0000Z-180504T1815Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Charlevoix MI-
1105 AM EDT FRI MAY 4 2018

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 215 PM EDT FOR
CHARLEVOIX COUNTY...

At 1102 AM EDT, local law enforcement reported flash flooding 
impacting several area roadways. Up to two inches of rain have 
already fallen. Flash flooding is already occurring.

Some locations that will experience flooding include...
Boyne City, Charlevoix, East Jordan, Boyne Falls, Fishermans Island
State Park, Ironton, Horton Bay, Walloon Lake and Young State Park.

Local media reported that Ferry Road along Lake Charlevoix between 
Advance and Ironton was washed out and closed.

Additional rainfall amounts of up to an inch are possible in the 
warned area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

Stay away or be swept away. River banks and culverts can become
unstable and unsafe.

Please report flooding to your local law enforcement agency when you
can do so safely.

A Flash Flood Warning means that flooding is imminent or occurring.
If you are in the warned area move to higher ground immediately.
Residents living along streams and creeks should take immediate
precautions to protect life and property.

&&

LAT...LON 4530 8535 4538 8522 4536 8511 4534 8509
      4534 8508 4532 8505 4527 8501 4529 8474
      4512 8474 4512 8522 4521 8522 4521 8539

$$

MLR

203 
WGUS73 KAPX 041633
FFSAPX

Flash Flood Statement
National Weather Service Gaylord MI
1233 PM EDT FRI MAY 4 2018

MIC029-041815-
/O.CON.KAPX.FF.W.0001.000000T0000Z-180504T1815Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Charlevoix MI-
1233 PM EDT FRI MAY 4 2018

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 215 PM EDT FOR
CHARLEVOIX COUNTY...

At 1230 PM EDT, flash flooding continues across parts of Charlevoix 
County, with road washouts on the west side of Lake Charlevoix. Rain 
will be ending over the next 1-2 hours but many rivers, creeks and 
streams across the warned area may continue to rise due to previous 
heavy rain.  

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

Stay away or be swept away. River banks and culverts can become
unstable and unsafe.

Please report flooding to your local law enforcement agency when you
can do so safely.

A Flash Flood Warning means that flooding is occurring.
If you are in the warned area move to higher ground immediately.
Residents living along streams and creeks should take immediate
precautions to protect life and property.

&&

LAT...LON 4530 8535 4538 8522 4536 8511 4534 8509
      4534 8508 4532 8505 4527 8501 4529 8474
      4512 8474 4512 8522 4521 8522 4521 8539

$$
JK

The office that day

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

Issued	Product	Office	Counties	Lasted
May 4, 10:58 AM EDT	Flash Flood Warning	APX	Cheboygan, Emmet	4 hr
May 4, 12:24 PM EDT	Flash Flood Warning	APX	Antrim	3 hr
May 4, 2:32 PM EDT	Areal Flood Warning	APX	Charlevoix	3 hr
May 4, 3:03 PM EDT	Areal Flood Warning	APX	Cheboygan, Emmet	3 hr

Nearby

Flash Flood Warnings in Michigan, 2018 Every flash flood warning in 2018

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.