Alert archive / Missouri / Winter Weather Advisories in 2011
Winter Weather Advisory 2, NWS Kansas City, MO
NWS Kansas City, MO issued this winter weather advisory at Jan 17, 2011, 6:47 AM CST for 6 counties in Missouri. It took effect at Jan 17, 2011, 7:00 AM CST. It was in force for 4 hr.
The area
The counties it named.
The facts
- Issued
- Jan 17, 2011, 6:47 AM CST (12:47 UTC)
- In effect from
- Jan 17, 2011, 7:00 AM CST
- Expired
- Jan 17, 2011, 10:45 AM CST
- In force
- 4 hr
- Issued by
- NWS Kansas City, MO
Counties Adair County, MO, Linn County, MO, Macon County, MO, Putnam County, MO, Schuyler County, MO, Sullivan County, MO
The radar
The Des Moines radar (KDMX), 189 km from the middle of the area, began a volume at 12:50 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
Davenport, (KDVN), launched 12:00Z, 0.8 hours before the alert went out and 253 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
- 557 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 299 m²/s²
- 0-3 km storm-relative helicity
- 327 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 Kansas City, MO wrote its last area forecast discussion before this winter weather advisory went out at Jan 17, 5:38 AM CST, 1 hour 9 minutes earlier.
Area forecast discussion, Jan 17, 5:38 AM CST, 1 hour 9 minutes before
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</html>Hazardous weather outlook, Jan 17, 5:35 AM CST, 1 hour 12 minutes before
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Special weather statement, Jan 17, 4:14 AM CST, 2 hours 33 minutes before
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</html>Special weather statement, Jan 17, 6:09 AM CST, 38 minutes before
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</html>Nearby
Winter Weather Advisories in Missouri, 2011Every winter weather 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.