Alert archive / Michigan / Winter Storm Warnings in 2016

Winter Storm Warning 6, NWS Detroit, MI

April 3, 2016Huron County, Sanilac County, Tuscola County, Michigan

NWS Detroit, MI issued this winter storm warning at Apr 3, 2016, 4:40 AM EDT for Huron County, Sanilac County, Tuscola County, Michigan. It took effect at Apr 3, 2016, 2:00 PM EDT. It was in force for 11 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Apr 3, 2016, 4:40 AM EDT (08:40 UTC)
In effect from: Apr 3, 2016, 2:00 PM EDT
Expired: Apr 4, 2016, 1:09 AM EDT
In force: 11 hr
Issued by: NWS Detroit, MI

Counties Huron County, MI, Sanilac County, MI, Tuscola County, MI

The radar

The Detroit radar (KDTX), 109 km from the middle of the area, began a volume at 08:43 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

Buffalo Intl Airport, NY (KBUF), launched 00:00Z, 8.7 hours before the alert went out and 355 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: 642 m above ground
0-6 km bulk shear: 48 kt
0-1 km storm-relative helicity: -7 m²/s²
0-3 km storm-relative helicity: 21 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 winter storm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Detroit, MI wrote its last area forecast discussion before this winter storm warning went out at Apr 3, 4:14 AM EDT, 26 minutes earlier.

Area forecast discussion, Apr 3, 4:14 AM EDT, 26 minutes before

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Hazardous weather outlook, Apr 2, 4:33 PM EDT, 12 hours 7 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 2, 9:51 PM EDT	Small Craft Advisory	DTX		6 hr
Apr 3, 3:55 AM EDT	Small Craft Advisory	DTX		40 hr
Apr 3, 4:40 AM EDT	Winter Weather Advisory	DTX	Bay, Lapeer, Midland, Saginaw, Saint Clair	20 hr

Nearby

Winter Storm Warnings in Michigan, 2016 Every winter storm warning in 2016

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.