Alert archive / Nebraska / Wind Advisories in 2009

Wind Advisory 15, NWS Hastings, NE

May 19, 200924 counties in Nebraska; 6 counties in Kansas

NWS Hastings, NE issued this wind advisory at May 19, 2009, 3:23 AM CDT for 24 counties in Nebraska; 6 counties in Kansas. It took effect at May 19, 2009, 12:00 PM CDT. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued: May 19, 2009, 3:23 AM CDT (08:23 UTC)
In effect from: May 19, 2009, 12:00 PM CDT
Expired: May 19, 2009, 9:00 PM 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 08:21 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

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 8.4 hours before the alert went out and 179 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: 4640 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: 34 m²/s²
0-3 km storm-relative helicity: 138 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this wind 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 wind advisory went out at May 19, 3:18 AM CDT, 5 minutes earlier.

Area forecast discussion, May 19, 3:18 AM CDT, 5 minutes before

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Nearby

Wind Advisories in Nebraska, 2009 Wind Advisories in Kansas, 2009 Every wind advisory in 2009

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.