Alert archive / Nebraska / Special Weather Statements in 2018

Special Weather Statement, NWS Hastings, NE

June 28, 2018Valley County, Nebraska

NWS Hastings, NE issued this special weather statement at Jun 28, 2018, 6:01 AM CDT for Valley County, Nebraska. It was in force for 29 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 28, 2018, 6:01 AM CDT (11:01 UTC)
Expired: Jun 28, 2018, 6:30 AM CDT
In force: 29 min
Issued by: NWS Hastings, NE

County Valley County, NE

The radar

The North Platte radar (KLNX), 144 km from the middle of the area, began a volume at 11:03 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, 11.0 hours before the alert went out and 149 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: 4603 J/kg
Mixed-layer CIN: -96 J/kg
Mixed-layer LCL: 1383 m above ground
0-6 km bulk shear: 33 kt
0-1 km storm-relative helicity: -46 m²/s²
0-3 km storm-relative helicity: 6 m²/s²
Significant tornado parameter: -0.4
Supercell composite: -5.2

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Jun 28, 5:56 AM CDT, 5 minutes earlier.

Area forecast discussion, Jun 28, 5:56 AM CDT, 5 minutes before

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Hazardous weather outlook, Jun 27, 8:04 PM CDT, 9 hours 57 minutes before

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In the hours before

Special weather statement, Jun 28, 6:01 AM CDT, 0 minutes before

Special Weather Statement
National Weather Service Hastings NE
601 AM CDT THU JUN 28 2018

NEZ039-281130-
Valley NE-
601 AM CDT THU JUN 28 2018

...WIND GUSTS UP TO 50 MPH POSSIBLE OVER VALLEY COUNTY...

At 557 AM CDT, National Weather Service meteorologists were tracking
strong thunderstorms over Loup county. These storms were moving east
and it appears they will remain just north of Valley county.
However...they could still generate a gust front that will move into
Valley county. Wind gusts up to 50 mph could occur. Isolated
lightning strikes will also be possible.

Locations that may be impacted include...

Ord, North Loup, Elyria and Fort Hartsuff State Park.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

&&

LAT...LON 4174 9876 4139 9875 4139 9880 4149 9921
      4174 9921
TIME...MOT...LOC 1057Z 303DEG 28KT 4178 9933

Kelley

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 28, 6:40 AM CDT	Special Weather Statement	GID	Greeley	35 min
Jun 28, 7:21 AM CDT	Special Weather Statement	GID	Greeley	39 min

Nearby

Special Weather Statements in Nebraska, 2018 Every special weather statement in 2018

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.