Alert archive / Nebraska / Red Flag Warnings in 2023

Red Flag Warning 6, NWS Hastings, NE

April 10, 202320 counties in Nebraska; 4 counties in Kansas

NWS Hastings, NE issued this red flag warning at Apr 10, 2023, 2:25 PM CDT for 20 counties in Nebraska; 4 counties in Kansas. It took effect at Apr 11, 2023, 12:00 PM CDT. It was in force for 9 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Apr 10, 2023, 2:25 PM CDT (19:25 UTC)
In effect from: Apr 11, 2023, 12:00 PM CDT
Expired: Apr 11, 2023, 8:46 PM CDT
In force: 9 hr
Issued by: NWS Hastings, NE

All 24 counties

Osborne County, KS, Phillips County, KS, Rooks County, KS, Smith County, KS, Adams County, NE, Buffalo County, NE, Clay County, NE, Dawson County, NE, Franklin County, NE, Furnas County, NE, Gosper County, NE, Greeley County, NE, Hall County, NE, Hamilton County, NE, Harlan County, NE, Howard County, NE, Kearney County, NE, Merrick County, NE, Nance County, NE, Phelps County, NE, Polk County, NE, Sherman County, NE, Valley County, NE, Webster County, NE

The radar

The Grand Island radar (KUEX), 45 km from the middle of the area, began a volume at 19:29 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, 7.4 hours before the alert went out and 161 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: 2405 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: -29 m²/s²
0-3 km storm-relative helicity: 133 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 red flag warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Hastings, NE wrote its last area forecast discussion before this red flag warning went out at Apr 10, 12:44 PM CDT, 1 hour 41 minutes earlier.

Area forecast discussion, Apr 10, 12:44 PM CDT, 1 hour 41 minutes before

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Hazardous weather outlook, Apr 10, 3:08 AM CDT, 11 hours 17 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 9, 7:02 PM CDT	Areal Flood Advisory	GID	Adams	5 hr
Apr 9, 8:11 PM CDT	Special Weather Statement	GID	Clay	49 min
Apr 9, 8:56 PM CDT	Special Weather Statement	GID	Clay	49 min
Apr 10, 2:54 AM CDT	Fire Weather Watch	GID	Adams, Buffalo, Dawson, Franklin, Furnas, Gosper and 13 more	12 hr

Nearby

Red Flag Warnings in Nebraska, 2023 Red Flag Warnings in Kansas, 2023 Every red flag 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.