Alert archive / Minnesota / Winter Weather Advisories in 2016

Winter Weather Advisory 11, NWS Twin Cities, MN

November 17, 201621 counties in Minnesota; Polk County, Wisconsin

NWS Twin Cities, MN issued this winter weather advisory at Nov 17, 2016, 3:44 AM CST for 21 counties in Minnesota; Polk County, Wisconsin. It took effect at Nov 18, 2016, 12:00 PM CST. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued
Nov 17, 2016, 3:44 AM CST (09:44 UTC)
In effect from
Nov 18, 2016, 12:00 PM CST
Expired
Nov 18, 2016, 9:00 PM CST
In force
9 hr
Issued by
NWS Twin Cities, MN
All 22 counties

Anoka County, MN, Blue Earth County, MN, Brown County, MN, Carver County, MN, Chisago County, MN, Dakota County, MN, Hennepin County, MN, Isanti County, MN, Le Sueur County, MN, Martin County, MN, McLeod County, MN, Nicollet County, MN, Ramsey County, MN, Rice County, MN, Scott County, MN, Sherburne County, MN, Sibley County, MN, Waseca County, MN, Washington County, MN, Watonwan County, MN, Wright County, MN, Polk County, WI

The radar

The Minneapolis radar (KMPX), 16 km from the middle of the area, began a volume at 09:48 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

Aberdeen, SD (KABR), launched 00:00Z, 9.7 hours before the alert went out and 373 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, Aberdeen, SD at 00:00Z on 2016-11-17Temperature 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, Aberdeen, SD at 00:00Z on 2016-11-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -17 square meters per square second.1939587897Sfc1 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
1617 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
-17 m²/s²
0-3 km storm-relative helicity
125 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 weather advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Twin Cities, MN wrote its last area forecast discussion before this winter weather advisory went out at Nov 17, 12:14 AM CST, 3 hours 30 minutes earlier.

Area forecast discussion, Nov 17, 12:14 AM CST, 3 hours 30 minutes before
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The office that day

Everything else NWS Twin Cities, MN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Nov 17, 3:44 AM CSTBlizzard WarningMPXChippewa, Douglas, Kandiyohi, Lac qui Parle, Meeker, Pope and 7 more41 hr
Nov 17, 3:44 AM CSTWinter Storm WarningMPXBenton, Kanabec, Meeker, Mille Lacs, Morrison, Stearns and 1 more41 hr
Nov 17, 4:12 PM CSTWind AdvisoryMPXDakota, Faribault, Freeborn, Goodhue, Rice, Steele and 1 more32 hr

Nearby

Winter Weather Advisories in Minnesota, 2016Winter Weather Advisories in Wisconsin, 2016Every winter weather advisory 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.