Alert archive / Nebraska / Special Weather Statements in 2017

Special Weather Statement, NWS North Platte, NE

June 28, 20177 counties in Nebraska

NWS North Platte, NE issued this special weather statement at Jun 28, 2017, 9:02 PM MDT for 7 counties in Nebraska. It was in force for 58 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, 2017, 9:02 PM MDT (03:02 UTC)
Expired: Jun 28, 2017, 10:00 PM MDT
In force: 58 min
Issued by: NWS North Platte, NE

Counties Hooker County, NE, Keith County, NE, Lincoln County, NE, Logan County, NE, McPherson County, NE, Perkins County, NE, Thomas County, NE

The radar

The North Platte radar (KLNX), 75 km from the middle of the area, began a volume at 03:05 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, 3.0 hours before the alert went out and 42 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: 417 J/kg
Mixed-layer CIN: -140 J/kg
Mixed-layer LCL: 2884 m above ground
0-6 km bulk shear: 42 kt
0-1 km storm-relative helicity: -44 m²/s²
0-3 km storm-relative helicity: -2 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.2

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 North Platte, NE wrote its last area forecast discussion before this special weather statement went out at Jun 28, 5:45 PM MDT, 3 hours 17 minutes earlier.

Area forecast discussion, Jun 28, 5:45 PM MDT, 3 hours 17 minutes before

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Hazardous weather outlook, Jun 28, 2:21 PM MDT, 6 hours 41 minutes before

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In the hours before

Local storm report, Jun 28, 4:31 PM MDT, 4 hours 31 minutes before

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Special weather statement, Jun 28, 4:36 PM MDT, 4 hours 26 minutes before

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Special weather statement, Jun 28, 4:43 PM MDT, 4 hours 19 minutes before

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Special weather statement, Jun 28, 5:11 PM MDT, 3 hours 51 minutes before

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Special weather statement, Jun 28, 7:45 PM MDT, 1 hour 17 minutes before

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Special weather statement, Jun 28, 9:02 PM MDT, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 28, 7:45 PM MDT	Special Weather Statement	LBF	Arthur, Deuel, Keith	45 min
Jun 28, 9:58 PM MDT	Special Weather Statement	LBF	Blaine, Custer, Lincoln, Logan, Loup	62 min
Jun 28, 10:53 PM MDT	Special Weather Statement	LBF	Cherry	52 min
Jun 29, 1:28 PM MDT	Special Weather Statement	LBF	Rock	47 min
Jun 29, 2:15 PM MDT	Severe Thunderstorm Warning	LBF	Holt	45 min
Jun 29, 2:24 PM MDT	Severe Thunderstorm Warning	LBF	Holt, Wheeler	51 min
Jun 29, 2:49 PM MDT	Severe Thunderstorm Warning	LBF	Holt	41 min
Jun 29, 2:59 PM MDT	Severe Thunderstorm Warning	LBF	Holt, Wheeler	46 min
Jun 29, 3:46 PM MDT	Special Weather Statement	LBF	Wheeler	44 min
Jun 29, 3:56 PM MDT	Severe Thunderstorm Warning	LBF	Holt, Wheeler	29 min

Nearby

Special Weather Statements in Nebraska, 2017 Every special weather statement 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.