Alert archive / Nebraska / Special Weather Statements in 2015

Special Weather Statement, NWS Hastings, NE

June 18, 20154 counties in Nebraska

NWS Hastings, NE issued this special weather statement at Jun 18, 2015, 5:21 AM CDT for 4 counties in Nebraska. It was in force for 39 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jun 18, 2015, 5:21 AM CDT (10:21 UTC)
Expired: Jun 18, 2015, 6:00 AM CDT
In force: 39 min
Issued by: NWS Hastings, NE

Counties Buffalo County, NE, Dawson County, NE, Sherman County, NE, Valley County, NE

The radar

The Grand Island radar (KUEX), 126 km from the middle of the area, began a volume at 10:23 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, 10.4 hours before the alert went out and 109 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: 172 J/kg
Mixed-layer CIN: -113 J/kg
Mixed-layer LCL: 1543 m above ground
0-6 km bulk shear: 40 kt
0-1 km storm-relative helicity: 24 m²/s²
0-3 km storm-relative helicity: 163 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.7

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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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 18, 5:53 AM CDT	Special Weather Statement	GID	Greeley, Howard	52 min
Jun 18, 6:03 AM CDT	Special Weather Statement	GID	Dawson, Gosper	27 min
Jun 18, 6:07 AM CDT	Special Weather Statement	GID	Buffalo, Hall, Sherman	38 min
Jun 18, 6:32 AM CDT	Special Weather Statement	GID	Merrick, Nance	43 min
Jun 18, 6:35 AM CDT	Special Weather Statement	GID	Franklin, Furnas, Gosper, Harlan, Kearney, Phelps	40 min
Jun 18, 6:39 AM CDT	Special Weather Statement	GID	Adams, Clay, Hamilton	51 min
Jun 18, 6:48 AM CDT	Special Weather Statement	GID	Buffalo, Hall, Howard	42 min
Jun 18, 7:12 AM CDT	Special Weather Statement	GID	Adams, Clay, Fillmore, Hamilton, Merrick, Nance and 2 more	48 min
Jun 18, 7:15 AM CDT	Special Weather Statement	GID	Franklin, Furnas, Harlan, Webster	45 min

Nearby

Special Weather Statements in Nebraska, 2015 Every special weather statement in 2015

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.