Alert archive / Minnesota / Blowing Snow Advisories in 2008

Blowing Snow Advisory 1, NWS Twin Cities, MN

January 17, 20084 counties in Minnesota

NWS Twin Cities, MN issued this blowing snow advisory at Jan 17, 2008, 10:03 PM CST for 4 counties in Minnesota. It took effect at Jan 18, 2008, 6:00 AM CST. It was in force for 7 hr.

The area

The counties it named.

The facts

Issued: Jan 17, 2008, 10:03 PM CST (04:03 UTC)
In effect from: Jan 18, 2008, 6:00 AM CST
Expired: Jan 18, 2008, 1:29 PM CST
In force: 7 hr
Issued by: NWS Twin Cities, MN

Counties Faribault County, MN, Freeborn County, MN, Steele County, MN, Waseca County, MN

The radar

The Minneapolis radar (KMPX), 111 km from the middle of the area, began a volume at 04:08 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 00:00Z, 4.1 hours before the alert went out and 112 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: 1340 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: 76 m²/s²
0-3 km storm-relative helicity: 58 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 blowing snow 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 blowing snow advisory went out at Jan 17, 2:51 PM CST, 7 hours 12 minutes earlier.

Area forecast discussion, Jan 17, 2:51 PM CST, 7 hours 12 minutes before

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Hazardous weather outlook, Jan 17, 6:15 PM CST, 3 hours 48 minutes before

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In the hours before

Local storm report, Jan 17, 4:18 PM CST, 5 hours 45 minutes before

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Local storm report, Jan 17, 4:59 PM CST, 5 hours 4 minutes before

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Local storm report, Jan 17, 5:01 PM CST, 5 hours 2 minutes before

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Local storm report, Jan 17, 7:44 PM CST, 2 hours 19 minutes before

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Local storm report, Jan 17, 7:55 PM CST, 2 hours 8 minutes before

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      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
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        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 18, 4:34 AM CST	Wind Chill Warning	MPX	Benton, Douglas, Isanti, Kanabec, Mille Lacs, Morrison and 4 more	29 hr
Jan 18, 4:34 AM CST	Wind Chill Advisory	MPX	Benton, Douglas, Isanti, Kanabec, Mille Lacs, Morrison and 4 more	37 hr

Nearby

Blowing Snow Advisories in Minnesota, 2008 Every blowing snow advisory in 2008

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.