Alert archive / Nebraska / Frost Advisories in 2022

Frost Advisory 1, NWS North Platte, NE

May 9, 2022Sheridan County, Nebraska

NWS North Platte, NE issued this frost advisory at May 9, 2022, 12:48 PM MDT for Sheridan County, Nebraska. It took effect at May 10, 2022, 3:00 AM MDT. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued: May 9, 2022, 12:48 PM MDT (18:48 UTC)
In effect from: May 10, 2022, 3:00 AM MDT
Expired: May 10, 2022, 5:55 AM MDT
In force: 3 hr
Issued by: NWS North Platte, NE

County Sheridan County, NE

The radar

The North Platte radar (KLNX), 163 km from the middle of the area, began a volume at 18:47 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 (KDNR), launched 12:00Z, 6.8 hours before the alert went out and 301 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: 782 m above ground
0-6 km bulk shear: 110 kt
0-1 km storm-relative helicity: 135 m²/s²
0-3 km storm-relative helicity: 436 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 frost advisory 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 frost advisory went out at May 9, 11:55 AM MDT, 53 minutes earlier.

Area forecast discussion, May 9, 11:55 AM MDT, 53 minutes before

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Hazardous weather outlook, May 9, 10:28 AM MDT, 2 hours 20 minutes before

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In the hours before

Local storm report, May 9, 9:46 AM MDT, 3 hours 2 minutes before

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Local storm report, May 9, 9:52 AM MDT, 2 hours 56 minutes before

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Local storm report, May 9, 10:15 AM MDT, 2 hours 33 minutes before

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Local storm report, May 9, 10:46 AM MDT, 2 hours 2 minutes before

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Local storm report, May 9, 11:03 AM MDT, 1 hour 45 minutes before

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Local storm report, May 9, 12:19 PM MDT, 29 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
May 8, 9:57 PM MDT	Special Weather Statement	LBF	Sheridan	33 min
May 8, 11:09 PM MDT	Severe Thunderstorm Warning Destructive damage threat	LBF	Sheridan	40 min
May 8, 11:37 PM MDT	Severe Thunderstorm Warning	LBF	Cherry, Grant, Sheridan	38 min
May 8, 11:38 PM MDT	Special Weather Statement	LBF	Sheridan	52 min
May 8, 11:44 PM MDT	Severe Thunderstorm Warning	LBF	Cherry, Sheridan	46 min
May 9, 12:14 AM MDT	Severe Thunderstorm Warning	LBF	Cherry	46 min
May 9, 12:22 AM MDT	Severe Thunderstorm Warning	LBF	Cherry	38 min
May 9, 12:52 AM MDT	Severe Thunderstorm Warning Considerable damage threat	LBF	Cherry	38 min
May 9, 12:58 AM MDT	Severe Thunderstorm Warning	LBF	Cherry	62 min
May 9, 1:28 AM MDT	Severe Thunderstorm Warning Considerable damage threat	LBF	Brown, Cherry	32 min
May 9, 1:42 AM MDT	High Wind Warning	LBF	Sheridan	17 hr
May 9, 1:48 AM MDT	Severe Thunderstorm Warning Considerable damage threat	LBF	Brown, Cherry, Keya Paha, Rock	42 min
May 9, 2:25 AM MDT	Severe Thunderstorm Warning Considerable damage threat	LBF	Boyd, Brown, Holt, Keya Paha, Rock	50 min

Nearby

Frost Advisories in Nebraska, 2022 Every frost advisory in 2022

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.