Alert archive / Minnesota / Wind Chill Advisories in 2011
Wind Chill Advisory 9, NWS Duluth, MN
NWS Duluth, MN issued this wind chill advisory at Jan 31, 2011, 3:44 PM CST for 9 counties in Minnesota. It took effect at Feb 1, 2011, 12:00 AM CST. It was in force for 9 hr.
The area
The counties it named.
The facts
- Issued
- Jan 31, 2011, 3:44 PM CST (21:44 UTC)
- In effect from
- Feb 1, 2011, 12:00 AM CST
- Expired
- Feb 1, 2011, 8:58 AM CST
- In force
- 9 hr
- Issued by
- NWS Duluth, MN
Counties Aitkin County, MN, Carlton County, MN, Cass County, MN, Cook County, MN, Crow Wing County, MN, Itasca County, MN, Koochiching County, MN, Lake County, MN, Saint Louis County, MN
The radar
The Duluth radar (KDLH), 72 km from the middle of the area, began a volume at 21:44 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
International Fa, MN (KINL), launched 12:00Z, 9.7 hours before the alert went out and 149 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
- 1189 m above ground
- 0-6 km bulk shear
- 69 kt
- 0-1 km storm-relative helicity
- -27 m²/s²
- 0-3 km storm-relative helicity
- 58 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this wind chill advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Duluth, MN wrote its last area forecast discussion before this wind chill advisory went out at Jan 31, 3:19 PM CST, 25 minutes earlier.
Area forecast discussion, Jan 31, 3:19 PM CST, 25 minutes before
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</html>Hazardous weather outlook, Jan 31, 1:15 PM CST, 2 hours 29 minutes before
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Local storm report, Jan 31, 11:04 AM CST, 4 hours 40 minutes before
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</html>Local storm report, Jan 31, 12:59 PM CST, 2 hours 45 minutes before
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</html>Local storm report, Jan 31, 1:49 PM CST, 1 hour 55 minutes before
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</html>Local storm report, Jan 31, 2:45 PM CST, 59 minutes before
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</html>The office that day
Everything else NWS Duluth, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 31, 4:13 AM CST | Winter Weather Advisory | DLH | Carlton, Saint Louis | 5 hr |
| Jan 31, 8:58 AM CST | Lake Effect Snow Warning | DLH | Carlton, Saint Louis | 12 hr |
Nearby
Wind Chill Advisories in Minnesota, 2011Every wind chill advisory in 2011
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.