Alert archive / Minnesota / Winter Weather Advisories in 2018
Winter Weather Advisory 12, NWS Twin Cities, MN
NWS Twin Cities, MN issued this winter weather advisory at Mar 22, 2018, 9:25 PM CDT for 16 counties in Minnesota. It took effect at Mar 23, 2018, 10:00 PM CDT. It was in force for 14 hr.
The area
The counties it named.
The facts
- Issued
- Mar 22, 2018, 9:25 PM CDT (02:25 UTC)
- In effect from
- Mar 23, 2018, 10:00 PM CDT
- Expired
- Mar 24, 2018, 11:44 AM CDT
- In force
- 14 hr
- Issued by
- NWS Twin Cities, MN
Counties Carver County, MN, Dakota County, MN, Douglas County, MN, Goodhue County, MN, Hennepin County, MN, Le Sueur County, MN, McLeod County, MN, Meeker County, MN, Pope County, MN, Rice County, MN, Scott County, MN, Stearns County, MN, Steele County, MN, Stevens County, MN, Todd County, MN, Wright County, MN
The radar
The Minneapolis radar (KMPX), 48 km from the middle of the area, began a volume at 02:28 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, 2.4 hours before the alert went out and 45 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
- 1259 m above ground
- 0-6 km bulk shear
- 51 kt
- 0-1 km storm-relative helicity
- -55 m²/s²
- 0-3 km storm-relative helicity
- 40 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 Mar 22, 9:25 PM CDT, 0 minutes earlier.
Area forecast discussion, Mar 22, 9:25 PM CDT, 0 minutes before
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Winter Weather Advisories in Minnesota, 2018Every winter weather advisory in 2018
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.