Alert archive / Nebraska / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 309, NWS North Platte, NE

August 10, 20235 counties in Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Aug 10, 2023, 5:21 PM CDT for 5 counties in Nebraska. It was in force for 54 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: Aug 10, 2023, 5:21 PM CDT (22:21 UTC)
Expired: Aug 10, 2023, 6:15 PM CDT
In force: 54 min
Issued by: NWS North Platte, NE
Area: Storm-based polygon
Hail: 1.25 in
Wind: 60.0 mph

Counties Garfield County, NE, Holt County, NE, Loup County, NE, Rock County, NE, Wheeler County, NE

The radar

The North Platte radar (KLNX), 128 km from the middle of the area, began a volume at 22:25 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 12:00Z, 10.4 hours before the alert went out and 170 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: 1572 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 137 m²/s²
0-3 km storm-relative helicity: 118 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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 Aug 10, 3:11 PM CDT, 2 hours 10 minutes earlier.

Area forecast discussion, Aug 10, 3:11 PM CDT, 2 hours 10 minutes before

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Hazardous weather outlook, Aug 10, 3:47 PM CDT, 1 hour 34 minutes before

Hazardous Weather Outlook...UPDATED
National Weather Service North Platte NE
347 PM CDT Thu Aug 10 2023

NEZ004>010-022>029-035>038-056>059-069>071-094-112100-
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-
347 PM CDT Thu Aug 10 2023 /247 PM MDT Thu Aug 10 2023/

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

.DAY ONE...Tonight.

Isolated severe thunderstorms are possible this evening mainly near
and east of Highway 183. The hazards are large hail and damaging
winds. Other isolated thunderstorms are possible this evening across
western Nebraska. The main concern with these storms would be
locally strong to damaging winds.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.

Thunderstorms are possible Saturday night and Sunday, mainly across
north central Nebraska. The risk of severe weather is uncertain.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed.

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 10, 5:33 PM CDT	Special Weather Statement	LBF	Sherman	27 min
Aug 10, 5:59 PM CDT	Severe Thunderstorm Warning Considerable damage threat	LBF	Deuel	46 min
Aug 10, 6:29 PM CDT	Special Weather Statement	LBF	Garfield	31 min
Aug 10, 6:36 PM CDT	Severe Thunderstorm Warning	LBF	Garfield, Wheeler	39 min
Aug 10, 6:44 PM CDT	Special Weather Statement	LBF	Garden	46 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.