Alert archive / Nebraska / Special Weather Statements in 2019

Special Weather Statement, NWS North Platte, NE

August 5, 2019Keith County, Nebraska

NWS North Platte, NE issued this special weather statement at Aug 5, 2019, 2:32 AM MDT for Keith County, Nebraska. It was in force for 28 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: Aug 5, 2019, 2:32 AM MDT (08:32 UTC)
Expired: Aug 5, 2019, 3:00 AM MDT
In force: 28 min
Issued by: NWS North Platte, NE

County Keith County, NE

The radar

The North Platte radar (KLNX), 138 km from the middle of the area, began a volume at 08:35 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, 8.5 hours before the alert went out and 102 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: 641 J/kg
Mixed-layer CIN: -110 J/kg
Mixed-layer LCL: 2202 m above ground
0-6 km bulk shear: 29 kt
0-1 km storm-relative helicity: -2 m²/s²
0-3 km storm-relative helicity: 41 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.4

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 Aug 5, 12:26 AM MDT, 2 hours 6 minutes earlier.

Area forecast discussion, Aug 5, 12:26 AM MDT, 2 hours 6 minutes before

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Hazardous weather outlook, Aug 4, 8:20 PM MDT, 6 hours 12 minutes before

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In the hours before

Local storm report, Aug 4, 8:56 PM MDT, 5 hours 36 minutes before

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Special weather statement, Aug 5, 2:32 AM 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
Aug 4, 6:24 PM MDT	Flash Flood Warning	LBF	Brown, Cherry, Keya Paha	3 hr
Aug 4, 6:37 PM MDT	Special Weather Statement	LBF	Thomas	53 min
Aug 4, 6:42 PM MDT	Special Weather Statement	LBF	Keya Paha	33 min
Aug 4, 6:58 PM MDT	Special Weather Statement	LBF	Arthur	47 min
Aug 4, 7:15 PM MDT	Special Weather Statement	LBF	Logan	30 min
Aug 4, 7:25 PM MDT	Special Weather Statement	LBF	Keith	50 min
Aug 4, 7:38 PM MDT	Severe Thunderstorm Warning	LBF	Keith, Lincoln, Perkins	37 min
Aug 4, 8:17 PM MDT	Severe Thunderstorm Warning	LBF	Arthur, Keith, Lincoln, McPherson	24 min
Aug 5, 2:43 AM MDT	Special Weather Statement	LBF	Perkins	32 min
Aug 5, 3:02 AM MDT	Special Weather Statement	LBF	Keith	43 min
Aug 5, 5:48 PM MDT	Special Weather Statement	LBF	McPherson	42 min

Nearby

Special Weather Statements in Nebraska, 2019 Every special weather statement in 2019

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.