Alert archive / Michigan / Flash Flood Watches in 2014

Flash Flood Watch 1, NWS Gaylord, MI

September 5, 201420 counties in Michigan

NWS Gaylord, MI issued this flash flood watch at Sep 5, 2014, 1:55 AM EDT for 20 counties in Michigan. It was in force for 12 hr.

The area

The counties it named.

The facts

Issued: Sep 5, 2014, 1:55 AM EDT (05:55 UTC)
Expired: Sep 5, 2014, 2:00 PM EDT
In force: 12 hr
Issued by: NWS Gaylord, MI
Flood severity: None

Counties Alcona County, MI, Alpena County, MI, Antrim County, MI, Benzie County, MI, Cheboygan County, MI, Crawford County, MI, Emmet County, MI, Grand Traverse County, MI, Iosco County, MI, Kalkaska County, MI, Leelanau County, MI, Manistee County, MI, Missaukee County, MI, Montmorency County, MI, Ogemaw County, MI, Oscoda County, MI, Otsego County, MI, Presque Isle County, MI, Roscommon County, MI, Wexford County, MI

The radar

The NCL Michigan radar (KAPX), 14 km from the middle of the area, began a volume at 05:58 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, 5.9 hours before the alert went out and 187 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: 54 J/kg
Mixed-layer CIN: -601 J/kg
Mixed-layer LCL: 1310 m above ground
0-6 km bulk shear: 42 kt
0-1 km storm-relative helicity: 354 m²/s²
0-3 km storm-relative helicity: 527 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 flash 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 flash flood watch went out at Sep 5, 12:03 AM EDT, 1 hour 52 minutes earlier.

Area forecast discussion, Sep 5, 12:03 AM EDT, 1 hour 52 minutes before

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Hazardous weather outlook, Sep 4, 11:14 PM EDT, 2 hours 41 minutes before

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In the hours before

Local storm report, Sep 4, 10:22 PM EDT, 3 hours 33 minutes before

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Local storm report, Sep 4, 10:37 PM EDT, 3 hours 18 minutes before

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Local storm report, Sep 4, 11:27 PM EDT, 2 hours 28 minutes before

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Local storm report, Sep 5, 1:05 AM EDT, 50 minutes before

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Local storm report, Sep 5, 1:06 AM EDT, 49 minutes before

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Special weather statement, Sep 5, 1:43 AM EDT, 12 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
Sep 4, 8:11 PM EDT	Special Marine Warning	APX		49 min
Sep 4, 8:28 PM EDT	Severe Thunderstorm Warning	APX	Crawford, Otsego	47 min
Sep 4, 9:16 PM EDT	Severe Thunderstorm Warning	APX	Crawford, Oscoda	59 min
Sep 4, 10:29 PM EDT	Special Marine Warning	APX		91 min
Sep 5, 6:40 AM EDT	Beach Hazards Statement	APX	Benzie, Leelanau, Manistee	5 hr
Sep 5, 10:23 AM EDT	Flash Flood Warning	APX	Benzie	6 hr
Sep 5, 11:07 AM EDT	Special Marine Warning	APX		83 min
Sep 5, 4:25 PM EDT	Special Marine Warning	APX		65 min

Nearby

Flash Flood Watches in Michigan, 2014 Every flash flood watch in 2014

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.