Alert archive / Minnesota / Winter Storm Watches in 2008
Winter Storm Watch 2, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this winter storm watch at Mar 19, 2008, 3:56 PM CDT for Brookings County, South Dakota; 4 counties in Minnesota. It took effect at Mar 20, 2008, 7:00 PM CDT. It was in force for .
The area
The counties it named.
The facts
- Issued
- Mar 19, 2008, 3:56 PM CDT (20:56 UTC)
- In effect from
- Mar 20, 2008, 7:00 PM CDT
- Expired
- Mar 20, 2008, 3:56 PM CDT
- In force
- Issued by
- NWS Sioux Falls, SD
Counties Cottonwood County, MN, Lincoln County, MN, Lyon County, MN, Murray County, MN, Brookings County, SD
The radar
The Sioux Falls radar (KFSD), 95 km from the middle of the area, began a volume at 20:59 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 12:00Z, 8.9 hours before the alert went out and 199 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
- 1437 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- -40 m²/s²
- 0-3 km storm-relative helicity
- -21 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 storm watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Sioux Falls, SD wrote its last area forecast discussion before this winter storm watch went out at Mar 19, 10:40 AM CDT, 5 hours 16 minutes earlier.
Area forecast discussion, Mar 19, 10:40 AM CDT, 5 hours 16 minutes before
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</html>Hazardous weather outlook, Mar 19, 1:12 PM CDT, 2 hours 44 minutes before
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</html>Nearby
Winter Storm Watches in Minnesota, 2008Winter Storm Watches in South Dakota, 2008Every winter storm watch 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.