Alert archive / Michigan / Winter Storm Warnings in 2013
Winter Storm Warning 5, NWS Marquette, MI
NWS Marquette, MI issued this winter storm warning at Apr 11, 2013, 5:11 AM EDT for 8 counties in Michigan. It took effect at Apr 11, 2013, 7:00 PM EDT. It was in force for 17 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 11, 2013, 5:11 AM EDT (09:11 UTC)
- In effect from
- Apr 11, 2013, 7:00 PM EDT
- Expired
- Apr 12, 2013, 12:06 PM EDT
- In force
- 17 hr
- Issued by
- NWS Marquette, MI
Counties Alger County, MI, Baraga County, MI, Delta County, MI, Houghton County, MI, Keweenaw County, MI, Luce County, MI, Marquette County, MI, Schoolcraft County, MI
The radar
The Marquette radar (KMQT), 24 km from the middle of the area, began a volume at 09:10 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 00:00Z, 9.2 hours before the alert went out and 238 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1096 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 20 m²/s²
- 0-3 km storm-relative helicity
- 283 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 Marquette, MI wrote its last area forecast discussion before this winter storm warning went out at Apr 11, 1:22 AM EDT, 3 hours 49 minutes earlier.
Area forecast discussion, Apr 11, 1:22 AM EDT, 3 hours 49 minutes before
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</html>Hazardous weather outlook, Apr 10, 4:36 PM EDT, 12 hours 35 minutes before
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Winter Storm Warnings in Michigan, 2013Every winter storm warning in 2013
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.