Alert archive / Minnesota / Winter Weather Advisories in 2015
Winter Weather Advisory 8, NWS Twin Cities, MN
NWS Twin Cities, MN issued this winter weather advisory at Feb 24, 2015, 3:55 PM CST for 9 counties in Minnesota. It took effect at Feb 25, 2015, 4:04 AM CST. It was in force for 11 hr.
The area
The counties it named.
The facts
- Issued
- Feb 24, 2015, 3:55 PM CST (21:55 UTC)
- In effect from
- Feb 25, 2015, 4:04 AM CST
- Expired
- Feb 25, 2015, 3:00 PM CST
- In force
- 11 hr
- Issued by
- NWS Twin Cities, MN
Counties Blue Earth County, MN, Brown County, MN, Faribault County, MN, Freeborn County, MN, Lac qui Parle County, MN, Martin County, MN, Redwood County, MN, Watonwan County, MN, Yellow Medicine County, MN
The radar
The Minneapolis radar (KMPX), 120 km from the middle of the area, began a volume at 21:53 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
Omaha, NE (KOAX), launched 12:00Z, 9.9 hours before the alert went out and 343 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
- 1465 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 191 m²/s²
- 0-3 km storm-relative helicity
- 304 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 Feb 24, 12:22 PM CST, 3 hours 33 minutes earlier.
Area forecast discussion, Feb 24, 12:22 PM CST, 3 hours 33 minutes before
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</html>Hazardous weather outlook, Feb 24, 3:07 PM CST, 48 minutes before
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</html>Nearby
Winter Weather Advisories in Minnesota, 2015Every winter weather advisory in 2015
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.