Alert archive / Nebraska / Red Flag Warnings in 2020

Red Flag Warning 20, NWS Hastings, NE

November 13, 2020Dawson County, Furnas County, Gosper County, Nebraska

NWS Hastings, NE issued this red flag warning at Nov 13, 2020, 2:58 AM CST for Dawson County, Furnas County, Gosper County, Nebraska. It took effect at Nov 13, 2020, 12:00 PM CST. It was in force for 6 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: Nov 13, 2020, 2:58 AM CST (08:58 UTC)
In effect from: Nov 13, 2020, 12:00 PM CST
Expired: Nov 13, 2020, 6:00 PM CST
In force: 6 hr
Issued by: NWS Hastings, NE

Counties Dawson County, NE, Furnas County, NE, Gosper County, NE

The radar

The Grand Island radar (KUEX), 122 km from the middle of the area, began a volume at 09:02 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, 9.0 hours before the alert went out and 92 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: 1297 m above ground
0-6 km bulk shear: 78 kt
0-1 km storm-relative helicity: 57 m²/s²
0-3 km storm-relative helicity: 111 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 Nov 12, 10:59 PM CST, 3 hours 59 minutes earlier.

Area forecast discussion, Nov 12, 10:59 PM CST, 3 hours 59 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
Nov 13, 1:23 PM CST	Fire Weather Watch	GID	Dawson, Furnas, Gosper	13 hr

Nearby

Red Flag Warnings in Nebraska, 2020 Every red flag warning in 2020

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.