Alert archive / Michigan / Flood Watches in 2023

Flood Watch 1, NWS Gaylord, MI

April 4, 202315 counties in Michigan

NWS Gaylord, MI issued this flood watch at Apr 4, 2023, 1:21 PM EDT for 15 counties in Michigan. It took effect at Apr 4, 2023, 8:00 PM EDT. It was in force for 14 hr.

The area

The counties it named.

The facts

Issued: Apr 4, 2023, 1:21 PM EDT (17:21 UTC)
In effect from: Apr 4, 2023, 8:00 PM EDT
Expired: Apr 5, 2023, 10:00 AM EDT
In force: 14 hr
Issued by: NWS Gaylord, MI
Flood severity: None

Counties Alcona County, MI, Arenac County, MI, Benzie County, MI, Crawford County, MI, Gladwin County, MI, Grand Traverse County, MI, Iosco County, MI, Kalkaska County, MI, Leelanau County, MI, Manistee County, MI, Missaukee County, MI, Ogemaw County, MI, Oscoda County, MI, Roscommon County, MI, Wexford County, MI

The radar

The NCL Michigan radar (KAPX), 48 km from the middle of the area, began a volume at 17:20 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, 5.4 hours before the alert went out and 260 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: 619 m above ground
0-6 km bulk shear: 62 kt
0-1 km storm-relative helicity: 183 m²/s²
0-3 km storm-relative helicity: 306 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this flood watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Gaylord, MI wrote its last area forecast discussion before this flood watch went out at Apr 4, 11:43 AM EDT, 1 hour 38 minutes earlier.

Area forecast discussion, Apr 4, 11:43 AM EDT, 1 hour 38 minutes before

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Hazardous weather outlook, Apr 4, 11:48 AM EDT, 1 hour 33 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 4, 4:38 AM EDT	Ice Storm Warning	APX	Chippewa, Mackinac	29 hr
Apr 4, 4:38 AM EDT	Winter Weather Advisory	APX	Charlevoix, Cheboygan, Emmet, Montmorency, Otsego, Presque Isle	21 hr
Apr 4, 4:40 AM EDT	Gale Warning	APX		64 hr
Apr 4, 4:40 AM EDT	Small Craft Advisory	APX		30 hr

Nearby

Flood Watches in Michigan, 2023 Every flood watch in 2023

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.