Alert archive / Missouri / Snow Advisories in 2007

Snow Advisory 5, NWS Kansas City, MO

January 19, 200737 counties in Missouri; 7 counties in Kansas

NWS Kansas City, MO issued this snow advisory at Jan 19, 2007, 9:10 PM CST for 37 counties in Missouri; 7 counties in Kansas. It took effect at Jan 20, 2007, 2:46 PM CST. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued: Jan 19, 2007, 9:10 PM CST (03:10 UTC)
In effect from: Jan 20, 2007, 2:46 PM CST
Expired: Jan 20, 2007, 8:36 PM CST
In force: 6 hr
Issued by: NWS Kansas City, MO

All 44 counties

Atchison County, KS, Doniphan County, KS, Johnson County, KS, Leavenworth County, KS, Linn County, KS, Miami County, KS, Wyandotte County, KS, Adair County, MO, Andrew County, MO, Atchison County, MO, Bates County, MO, Buchanan County, MO, Caldwell County, MO, Carroll County, MO, Cass County, MO, Chariton County, MO, Clay County, MO, Clinton County, MO, Cooper County, MO, Daviess County, MO, DeKalb County, MO, Gentry County, MO, Grundy County, MO, Harrison County, MO, Henry County, MO, Holt County, MO, Howard County, MO, Jackson County, MO, Johnson County, MO, Lafayette County, MO, Linn County, MO, Livingston County, MO, Macon County, MO, Mercer County, MO, Nodaway County, MO, Pettis County, MO, Platte County, MO, Putnam County, MO, Randolph County, MO, Ray County, MO, Saline County, MO, Schuyler County, MO, Sullivan County, MO, Worth County, MO

The radar

The Pleasant Hill radar (KEAX), 84 km from the middle of the area, began a volume at 03:13 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

Topeka, KS (KTOP), launched 00:00Z, 3.2 hours before the alert went out and 154 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1960 m above ground
0-6 km bulk shear: 50 kt
0-1 km storm-relative helicity: 75 m²/s²
0-3 km storm-relative helicity: 112 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this snow 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 snow advisory went out at Jan 19, 4:24 PM CST, 4 hours 46 minutes earlier.

Area forecast discussion, Jan 19, 4:24 PM CST, 4 hours 46 minutes before

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Hazardous weather outlook, Jan 19, 12:57 PM CST, 8 hours 13 minutes before

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Nearby

Snow Advisories in Missouri, 2007 Snow Advisories in Kansas, 2007 Every snow advisory in 2007

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.