Alert archive / Nebraska / Special Weather Statements in 2018

Special Weather Statement, NWS North Platte, NE

July 3, 20184 counties in Nebraska

NWS North Platte, NE issued this special weather statement at Jul 3, 2018, 9:47 PM MDT for 4 counties in Nebraska. It was in force for 43 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: Jul 3, 2018, 9:47 PM MDT (03:47 UTC)
Expired: Jul 3, 2018, 10:30 PM MDT
In force: 43 min
Issued by: NWS North Platte, NE

Counties Keith County, NE, Lincoln County, NE, McPherson County, NE, Perkins County, NE

The radar

The North Platte radar (KLNX), 109 km from the middle of the area, began a volume at 03:51 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

Denver, CO (KDEN), launched 00:00Z, 3.8 hours before the alert went out and 216 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: 7 J/kg
Mixed-layer CIN: -62 J/kg
Mixed-layer LCL: 4296 m above ground
0-6 km bulk shear: 12 kt
0-1 km storm-relative helicity: 10 m²/s²
0-3 km storm-relative helicity: 41 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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 Jul 3, 5:24 PM MDT, 4 hours 23 minutes earlier.

Area forecast discussion, Jul 3, 5:24 PM MDT, 4 hours 23 minutes before

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Hazardous weather outlook, Jul 3, 7:16 PM MDT, 2 hours 31 minutes before

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In the hours before

Special weather statement, Jul 3, 7:36 PM MDT, 2 hours 11 minutes before

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Special weather statement, Jul 3, 8:23 PM MDT, 1 hour 24 minutes before

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Special weather statement, Jul 3, 9:01 PM MDT, 46 minutes before

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Special weather statement, Jul 3, 9:47 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
Jul 3, 7:36 PM MDT	Special Weather Statement	LBF	Arthur, Deuel, Garden, Keith, Perkins	54 min
Jul 3, 8:23 PM MDT	Special Weather Statement	LBF	Arthur, Deuel, Keith, McPherson, Perkins	37 min
Jul 3, 9:01 PM MDT	Special Weather Statement	LBF	Keith, Perkins	44 min
Jul 3, 11:23 PM MDT	Special Weather Statement	LBF	Keith	37 min
Jul 4, 12:35 AM MDT	Special Weather Statement	LBF	Brown	40 min
Jul 4, 12:49 AM MDT	Special Weather Statement	LBF	Loup	41 min
Jul 4, 1:03 AM MDT	Special Weather Statement	LBF	Blaine	42 min
Jul 4, 3:55 AM MDT	Special Weather Statement	LBF	Custer	50 min
Jul 4, 5:44 AM MDT	Special Weather Statement	LBF	Rock	46 min
Jul 4, 6:32 AM MDT	Special Weather Statement	LBF	Rock	43 min
Jul 4, 3:21 PM MDT	Special Weather Statement	LBF	Boyd	39 min
Jul 4, 4:00 PM MDT	Severe Thunderstorm Warning	LBF	Brown	32 min
Jul 4, 5:30 PM MDT	Special Weather Statement	LBF	Loup	45 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.