Alert archive / Nebraska / Freeze Warnings in 2017

Freeze Warning 1, NWS Hastings, NE

April 10, 201724 counties in Nebraska; 6 counties in Kansas

NWS Hastings, NE issued this freeze warning at Apr 10, 2017, 1:38 PM CDT for 24 counties in Nebraska; 6 counties in Kansas. It took effect at Apr 11, 2017, 12:00 AM CDT. It was in force for 9 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Apr 10, 2017, 1:38 PM CDT (18:38 UTC)
In effect from: Apr 11, 2017, 12:00 AM CDT
Expired: Apr 11, 2017, 9:00 AM CDT
In force: 9 hr
Issued by: NWS Hastings, NE

All 30 counties

Jewell County, KS, Mitchell County, KS, Osborne County, KS, Phillips County, KS, Rooks County, KS, Smith County, KS, Adams County, NE, Buffalo County, NE, Clay County, NE, Dawson County, NE, Fillmore County, NE, Franklin County, NE, Furnas County, NE, Gosper County, NE, Greeley County, NE, Hall County, NE, Hamilton County, NE, Harlan County, NE, Howard County, NE, Kearney County, NE, Merrick County, NE, Nance County, NE, Nuckolls County, NE, Phelps County, NE, Polk County, NE, Sherman County, NE, Thayer County, NE, Valley County, NE, Webster County, NE, York County, NE

The radar

The Grand Island radar (KUEX), 27 km from the middle of the area, began a volume at 18:40 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 (KFOE), launched 12:00Z, 6.6 hours before the alert went out and 306 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: 1300 m above ground
0-6 km bulk shear: 55 kt
0-1 km storm-relative helicity: -55 m²/s²
0-3 km storm-relative helicity: 141 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 freeze warning 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 freeze warning went out at Apr 10, 12:38 PM CDT, 1 hour earlier.

Area forecast discussion, Apr 10, 12:38 PM CDT, 1 hour before

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Hazardous weather outlook, Apr 10, 8:44 AM CDT, 4 hours 54 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 9, 7:23 PM CDT	Severe Thunderstorm Warning	GID	Adams, Clay, Nuckolls, Webster	39 min
Apr 9, 7:52 PM CDT	Severe Thunderstorm Warning	GID	Fillmore, Thayer	42 min

Nearby

Freeze Warnings in Nebraska, 2017 Freeze Warnings in Kansas, 2017 Every freeze warning in 2017

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.