Alert archive / Nebraska / Red Flag Warnings in 2020

Red Flag Warning 10, NWS Hastings, NE

April 29, 2020Dawson County, Furnas County, Gosper County, Nebraska

NWS Hastings, NE issued this red flag warning at Apr 29, 2020, 3:05 AM CDT for Dawson County, Furnas County, Gosper County, Nebraska. It took effect at Apr 29, 2020, 1:00 PM CDT. 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
Apr 29, 2020, 3:05 AM CDT (08:05 UTC)
In effect from
Apr 29, 2020, 1:00 PM CDT
Expired
Apr 29, 2020, 7:00 PM CDT
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 08:02 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, 8.1 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-pSkew-T log-p diagram, N. Platte/Lee Bi, NE at 00:00Z on 2020-04-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 35 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, N. Platte/Lee Bi, NE at 00:00Z on 2020-04-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 92 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
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
35 J/kg
Mixed-layer CIN
-28 J/kg
Mixed-layer LCL
2578 m above ground
0-6 km bulk shear
65 kt
0-1 km storm-relative helicity
92 m²/s²
0-3 km storm-relative helicity
176 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

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 28, 2:52 PM CDT, 12 hours 13 minutes earlier.

Area forecast discussion, Apr 28, 2:52 PM CDT, 12 hours 13 minutes before
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Hazardous weather outlook, Apr 28, 2:20 PM CDT, 12 hours 45 minutes before
Hazardous Weather Outlook
National Weather Service Hastings NE
220 PM CDT Tue Apr 28 2020

KSZ005>007-017>019-NEZ039>041-046>049-060>064-072>077-082>087-
291200-
Phillips-Smith-Jewell-Rooks-Osborne-Mitchell-Valley-Greeley-Nance-
Sherman-Howard-Merrick-Polk-Dawson-Buffalo-Hall-Hamilton-York-
Gosper-Phelps-Kearney-Adams-Clay-Fillmore-Furnas-Harlan-Franklin-
Webster-Nuckolls-Thayer-
220 PM CDT Tue Apr 28 2020

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

.DAY ONE...This Afternoon and Tonight.

A Red Flag Warning remains in effect until 8 pm for locations
along and west of Highway 281 due to dry grasses, low relative
humidity and gusty winds. Please refer to the Red Flag Warning
message for further information.

Widespread wind gusts of 35 to 45 mph are expected this afternoon
and winds will remain strong well into the evening. In addition,
isolated thunderstorms are expected to arrive from the northwest
between 4 pm and 8 pm today. These storms could produce localized
wind gusts in the 50 to 60 mph range.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

Wednesday afternoon, critical fire weather conditions may again
develop in Dawson, Gosper, and Furnas counties. A Fire Weather
Watch is in effect for these areas. Near critical fire weather
conditions are also possible for areas west a line from Kearney,
Nebraska to Smith Center, Kansas.

Additional chances for thunderstorms exist across the outlook
area Saturday night through Monday.

.SPOTTER INFORMATION STATEMENT...

Spotters are encouraged to report any strong wind gusts or any
damage this afternoon and this evening.

&&

More information may be obtained at the following web page:
   https://www.weather.gov/hastings

Mangels

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 28, 7:59 PM CDTSpecial Weather StatementGIDGreeley, Howard, Merrick, Nance, Sherman, Valley46 min
Apr 28, 8:05 PM CDTSpecial Weather StatementGIDGreeley, Howard, Merrick, Nance, Sherman, Valley40 min

Nearby

Red Flag Warnings in Nebraska, 2020Every 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.