Alert archive / Nebraska / Heat Advisories in 2012

Heat Advisory 4, NWS Hastings, NE

June 25, 201224 counties in Nebraska; 6 counties in Kansas

NWS Hastings, NE issued this heat advisory at Jun 25, 2012, 9:02 PM CDT for 24 counties in Nebraska; 6 counties in Kansas. It took effect at Jun 26, 2012, 1:00 PM CDT. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued: Jun 25, 2012, 9:02 PM CDT (02:02 UTC)
In effect from: Jun 26, 2012, 1:00 PM CDT
Expired: Jun 26, 2012, 9:00 PM CDT
In force: 8 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 02:04 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, 2.0 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: 3301 J/kg
Mixed-layer CIN: -242 J/kg
Mixed-layer LCL: 1392 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: 60 m²/s²
0-3 km storm-relative helicity: 352 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.3

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this heat 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 heat advisory went out at Jun 25, 6:49 PM CDT, 2 hours 13 minutes earlier.

Area forecast discussion, Jun 25, 6:49 PM CDT, 2 hours 13 minutes before

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Hazardous weather outlook, Jun 25, 3:22 PM CDT, 5 hours 40 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
Jun 26, 4:05 PM CDT	Fire Weather Watch	GID	Franklin, Furnas, Harlan, Nuckolls, Webster	12 hr
Jun 26, 4:18 PM CDT	Heat Advisory	GID	Adams, Clay, Fillmore, Franklin, Furnas, Harlan and 6 more	3 days

Nearby

Heat Advisories in Nebraska, 2012 Heat Advisories in Kansas, 2012 Every heat advisory in 2012

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.