Alert archive / Kansas / Snow Advisories in 2007

Snow Advisory 4, NWS Hastings, NE

April 13, 2007Mitchell County, Osborne County, Rooks County, Kansas

NWS Hastings, NE issued this snow advisory at Apr 13, 2007, 3:31 PM CDT for Mitchell County, Osborne County, Rooks County, Kansas. It was in force for 5 hr.

The area

The counties it named.

The facts

Issued: Apr 13, 2007, 3:31 PM CDT (20:31 UTC)
Expired: Apr 13, 2007, 8:44 PM CDT
In force: 5 hr
Issued by: NWS Hastings, NE

Counties Mitchell County, KS, Osborne County, KS, Rooks County, KS

The radar

The Grand Island radar (KUEX), 110 km from the middle of the area, began a volume at 20:34 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 12:00Z, 8.5 hours before the alert went out and 273 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: 872 m above ground
0-6 km bulk shear: 48 kt
0-1 km storm-relative helicity: 20 m²/s²
0-3 km storm-relative helicity: 245 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 Hastings, NE wrote its last area forecast discussion before this snow advisory went out at Apr 12, 4:14 PM CDT, 23 hours 17 minutes earlier.

Area forecast discussion, Apr 12, 4:14 PM CDT, 23 hours 17 minutes before

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The office that day

Everything else NWS Hastings, NE issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 13, 11:49 AM CDT	Snow Advisory	GID	Jewell, Phillips, Smith	4 hr

Nearby

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.