Alert archive / Michigan / Winter Storm Warnings in 2013

Winter Storm Warning 8, NWS Marquette, MI

May 1, 2013Gogebic County, Michigan

NWS Marquette, MI issued this winter storm warning at May 1, 2013, 2:55 PM CDT for Gogebic County, Michigan. It took effect at May 2, 2013, 1:00 AM CDT. It was in force for 21 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
May 1, 2013, 2:55 PM CDT (19:55 UTC)
In effect from
May 2, 2013, 1:00 AM CDT
Expired
May 2, 2013, 9:30 PM CDT
In force
21 hr
Issued by
NWS Marquette, MI

County Gogebic County, MI

The radar

The Marquette radar (KMQT), 172 km from the middle of the area, began a volume at 19:56 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

Minneapolis, MN (KMPX), launched 12:00Z, 7.9 hours before the alert went out and 348 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-pSkew-T log-p diagram, Minneapolis, MN at 12:00Z on 2013-05-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 12:00Z on 2013-05-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -179 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
756 m above ground
0-6 km bulk shear
61 kt
0-1 km storm-relative helicity
-179 m²/s²
0-3 km storm-relative helicity
134 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
May 1, 3:34 AM CDTWinter Storm WatchMQTGogebic11 hr
May 1, 9:05 AM CDTRiver Flood AdvisoryMQTDelta46 hr
May 1, 9:32 AM CDTRiver Flood AdvisoryMQTMarquette33 hr
May 1, 9:56 AM CDTSmall Craft AdvisoryMQT3 days
May 1, 10:47 AM CDTRiver Flood WarningMQTMarquette24 hr
May 1, 12:19 PM CDTRiver Flood WatchMQTMarquette24 hr
May 1, 2:55 PM CDTWinter Weather AdvisoryMQTBaraga, Dickinson, Gogebic, Houghton, Iron, Keweenaw and 2 more64 hr

Nearby

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.