Alert archive / Nebraska / Flood Watches in 2023

Flood Watch 2, NWS North Platte, NE

May 27, 2023Chase County, Frontier County, Hayes County, Nebraska

NWS North Platte, NE issued this flood watch at May 27, 2023, 8:15 PM MDT for Chase County, Frontier County, Hayes County, Nebraska. It took effect at May 28, 2023, 12:00 AM MDT. It was in force for 5 hr.

The area

The counties it named.

The facts

Issued: May 27, 2023, 8:15 PM MDT (02:15 UTC)
In effect from: May 28, 2023, 12:00 AM MDT
Expired: May 28, 2023, 5:27 AM MDT
In force: 5 hr
Issued by: NWS North Platte, NE
Flood severity: None

Counties Chase County, NE, Frontier County, NE, Hayes County, NE

The radar

The Goodland radar (KGLD), 140 km from the middle of the area, began a volume at 02:17 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, 2.3 hours before the alert went out and 77 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: 141 J/kg
Mixed-layer CIN: -49 J/kg
Mixed-layer LCL: 1488 m above ground
0-6 km bulk shear: 8 kt
0-1 km storm-relative helicity: -17 m²/s²
0-3 km storm-relative helicity: 28 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 flood watch 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 flood watch went out at May 27, 5:22 PM MDT, 2 hours 53 minutes earlier.

Area forecast discussion, May 27, 5:22 PM MDT, 2 hours 53 minutes before

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Hazardous weather outlook, May 27, 1:24 PM MDT, 6 hours 51 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 27, 8:34 PM MDT	Special Weather Statement	LBF	Deuel	56 min
May 27, 10:42 PM MDT	Special Weather Statement	LBF	Sheridan	48 min
May 28, 1:45 AM MDT	Flash Flood Warning	LBF	Chase	3 hr
May 28, 3:04 AM MDT	Areal Flood Advisory	LBF	Lincoln	2 hr
May 28, 3:23 AM MDT	Areal Flood Advisory	LBF	Hayes	2 hr
May 28, 3:27 AM MDT	Areal Flood Advisory	LBF	Lincoln	2 hr
May 28, 3:22 PM MDT	Special Weather Statement	LBF	Frontier	38 min
May 28, 3:49 PM MDT	Areal Flood Advisory	LBF	Frontier	84 min
May 28, 3:57 PM MDT	Special Weather Statement	LBF	Frontier	48 min
May 28, 4:59 PM MDT	Special Weather Statement	LBF	Gosper	46 min
May 28, 5:10 PM MDT	Flash Flood Warning	LBF	Frontier	3 hr
May 28, 5:23 PM MDT	Special Weather Statement	LBF	Cherry	52 min
May 28, 5:25 PM MDT	Special Weather Statement	LBF	Sherman	35 min
May 28, 5:29 PM MDT	Severe Thunderstorm Warning	LBF	Custer	33 min

Nearby

Flood Watches in Nebraska, 2023 Every flood watch 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.