Alert archive / Michigan / Winter Storm Warnings in 2022

Winter Storm Warning 9, NWS Marquette, MI

October 16, 20226 counties in Michigan

NWS Marquette, MI issued this winter storm warning at Oct 16, 2022, 4:47 AM EDT for 6 counties in Michigan. It took effect at Oct 16, 2022, 8:00 PM EDT. It was in force for 48 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
Oct 16, 2022, 4:47 AM EDT (08:47 UTC)
In effect from
Oct 16, 2022, 8:00 PM EDT
Expired
Oct 18, 2022, 8:00 PM EDT
In force
48 hr
Issued by
NWS Marquette, MI

Counties Baraga County, MI, Gogebic County, MI, Houghton County, MI, Keweenaw County, MI, Marquette County, MI, Ontonagon County, MI

The radar

The Marquette radar (KMQT), 90 km from the middle of the area, began a volume at 08:46 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, 8.8 hours before the alert went out and 264 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, Green Bay/Straub, WI at 00:00Z on 2022-10-16Temperature 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, Green Bay/Straub, WI at 00:00Z on 2022-10-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 334 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
1306 m above ground
0-6 km bulk shear
61 kt
0-1 km storm-relative helicity
334 m²/s²
0-3 km storm-relative helicity
550 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
Oct 16, 4:47 AM EDTWinter Storm WatchMQTAlger, Delta, Schoolcraft32 hr
Oct 16, 4:47 AM EDTWinter Weather AdvisoryMQTAlger, Delta, Dickinson, Iron, Keweenaw, Luce and 1 more63 hr
Oct 16, 4:59 AM EDTStorm WarningMQT58 hr
Oct 16, 7:04 AM EDTLakeshore Flood WarningMQTAlger, Luce, Marquette3 days
Oct 16, 7:04 AM EDTLakeshore Flood AdvisoryMQTHoughton, Keweenaw, Luce, Ontonagon63 hr
Oct 16, 4:12 PM EDTSmall Craft AdvisoryMQT13 hr

Nearby

Winter Storm Warnings in Michigan, 2022Every winter storm warning in 2022

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.