Alert archive / Nebraska / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 137, NWS North Platte, NE

June 27, 2023Perkins County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Jun 27, 2023, 5:19 PM MDT for Perkins County, Nebraska. It was in force for 41 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jun 27, 2023, 5:19 PM MDT (23:19 UTC)
Expired: Jun 27, 2023, 6:00 PM MDT
In force: 41 min
Issued by: NWS North Platte, NE
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Perkins County, NE

The radar

The North Platte radar (KLNX), 152 km from the middle of the area, began a volume at 23:24 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jun 27, 2:34 PM MDT	Severe Thunderstorm Watch	SPC	8 hr

The nearest sounding before it

Dodge City, (KDDC), launched 12:00Z, 11.3 hours before the alert went out and 374 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1793 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 140 m²/s²
0-3 km storm-relative helicity: 646 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 23.9

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning 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 severe thunderstorm warning went out at Jun 27, 1:45 PM MDT, 3 hours 34 minutes earlier.

Area forecast discussion, Jun 27, 1:45 PM MDT, 3 hours 34 minutes before

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Hazardous weather outlook, Jun 27, 2:01 PM MDT, 3 hours 18 minutes before

Hazardous Weather Outlook
National Weather Service North Platte NE
301 PM CDT Tue Jun 27 2023

NEZ004>010-022>029-035>038-056>059-069>071-094-282015-
Sheridan-Eastern Cherry-Keya Paha-Boyd-Brown-Rock-Holt-Garden-Grant-
Hooker-Thomas-Blaine-Loup-Garfield-Wheeler-Arthur-McPherson-Logan-
Custer-Deuel-Keith-Perkins-Lincoln-Chase-Hayes-Frontier-
Western Cherry-
301 PM CDT Tue Jun 27 2023 /201 PM MDT Tue Jun 27 2023/

This Hazardous Weather Outlook is for portions of western and north
central Nebraska.

.DAY ONE...Tonight.

Isolated to scattered thunderstorms are expected through this evening.
Primary hazards will be large hail, damaging winds, frequent
lightning, and locally heavy rainfall. A tornado or two also cannot
be ruled out. Activity should weaken and exit the area by late
evening into early Wednesday morning.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

Rain and thunderstorm chances will return Wednesday into Friday
mainly in the evening and overnight. Though a few strong to briefly
severe storms will be possible Thursday for areas south of Highway
20 and west of Highway 183, the primary threat will be heavy rain
leading to an increased flooding concern. Continue to monitor the
latest flood products for up to date information regarding this
potential.

Additional rain and thunderstorms are possible daily Saturday
through Monday. At this time, the threat for severe is uncertain.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will likely be needed.

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 26, 11:00 PM MDT	Severe Thunderstorm Warning Considerable damage threat	LBF	Deuel	45 min
Jun 26, 11:47 PM MDT	Special Weather Statement	LBF	Sheridan	73 min
Jun 26, 11:55 PM MDT	Severe Thunderstorm Warning Considerable damage threat	LBF	Chase, Perkins	65 min
Jun 27, 12:31 AM MDT	Severe Thunderstorm Warning	LBF	Sheridan	59 min
Jun 27, 12:57 AM MDT	Severe Thunderstorm Warning	LBF	Chase, Hayes, Lincoln, Perkins	33 min
Jun 27, 1:08 AM MDT	Special Weather Statement	LBF	Lincoln	67 min
Jun 27, 1:28 AM MDT	Special Weather Statement	LBF	Sheridan	47 min
Jun 27, 1:41 AM MDT	Special Weather Statement	LBF	Chase, Hayes	49 min
Jun 27, 1:44 AM MDT	Special Weather Statement	LBF	Cherry	46 min
Jun 27, 1:46 AM MDT	Severe Thunderstorm Warning	LBF	Chase, Hayes, Lincoln, Perkins	44 min
Jun 27, 2:27 AM MDT	Special Weather Statement	LBF	Frontier, Hayes, Lincoln	48 min
Jun 27, 2:38 AM MDT	Severe Thunderstorm Warning	LBF	Frontier, Hayes	37 min
Jun 27, 3:25 AM MDT	Severe Thunderstorm Warning	LBF	Cherry, Sheridan	50 min
Jun 27, 3:38 AM MDT	Areal Flood Advisory	LBF	Sheridan	3 hr
Jun 27, 4:07 AM MDT	Special Weather Statement	LBF	Cherry	53 min
Jun 27, 6:34 AM MDT	Special Weather Statement	LBF	Keya Paha	41 min
Jun 27, 7:21 AM MDT	Special Weather Statement	LBF	Keya Paha	39 min
Jun 27, 4:44 PM MDT	Severe Thunderstorm Warning Considerable damage threat	LBF	Garden	76 min
Jun 27, 5:24 PM MDT	Severe Thunderstorm Warning	LBF	Chase	66 min
Jun 27, 5:48 PM MDT	Severe Thunderstorm Warning Considerable damage threat	LBF	Deuel, Garden, Keith	42 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 2023 Every severe thunderstorm warning in 2023

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.