Alert archive / Nebraska / Red Flag Warnings in 2021

Red Flag Warning 14, NWS Hastings, NE

April 11, 2021Dawson County, Furnas County, Gosper County, Nebraska

NWS Hastings, NE issued this red flag warning at Apr 11, 2021, 3:13 AM CDT for Dawson County, Furnas County, Gosper County, Nebraska. It took effect at Apr 11, 2021, 1:00 PM CDT. It was in force for 7 hr. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Apr 11, 2021, 3:13 AM CDT (08:13 UTC)
In effect from
Apr 11, 2021, 1:00 PM CDT
Expired
Apr 11, 2021, 8:00 PM CDT
In force
7 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 08:15 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.

What was reported inside it

TimeReportWhereRemark
Apr 11, 1:30 PM CDTNON-TSTM WND GST 546 Ne Gothenburg, NEMESONET STATION KNEGOTHE15.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 8.2 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 2021-04-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°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 2021-04-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 35 square meters per square second.1939Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
3209 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
35 m²/s²
0-3 km storm-relative helicity
138 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

104 
WWUS83 KGID 110813
RFWGID

URGENT - FIRE WEATHER MESSAGE
National Weather Service Hastings NE
313 AM CDT Sun Apr 11 2021

...Critical Fire Weather Conditions this Afternoon and into the 
Evening...

NEZ060-072-082-111830-
/O.NEW.KGID.FW.W.0014.210411T1800Z-210412T0100Z/
Dawson-Gosper-Furnas-
313 AM CDT Sun Apr 11 2021

...RED FLAG WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO 8 PM
CDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE
WEATHER ZONES 060, 072 AND 082...

The National Weather Service in Hastings has issued a Red Flag
Warning for wind and low relative humidity, which is in effect
from 1 PM this afternoon to 8 PM CDT this evening.

* AFFECTED AREA...In Nebraska, Fire Weather Zone 060 Dawson, 
  Fire Weather Zone 072 Gosper and Fire Weather Zone 082 Furnas.

* WINDS...Northwest 20 to 30 mph with gusts of 35 to 45 mph.

* TIMING...This afternoon and early evening.

* RELATIVE HUMIDITY...Low relative humidity of 18 to 23 percent.

* IMPACTS...Any fires that ignite may spread rapidly and exhibit
  extreme fire behavior. Avoid any activities that could lead to 
  fire ignition.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
are either occurring now, or will shortly. A combination of
strong winds, low relative humidity, and warm temperatures can
contribute to extreme fire behavior.

&&

$$
2 follow-up statements
173 
WWUS83 KGID 111813
RFWGID

URGENT - FIRE WEATHER MESSAGE
National Weather Service Hastings NE
113 PM CDT Sun Apr 11 2021

...Critical Fire Weather Conditions Likely This Afternoon In Far
Western Portions of South Central Nebraska...

NEZ060-072-082-120100-
/O.CON.KGID.FW.W.0014.000000T0000Z-210412T0100Z/
Dawson-Gosper-Furnas-
113 PM CDT Sun Apr 11 2021

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING
FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 060,
072 AND 082...

* AFFECTED AREA...In Nebraska, Fire Weather Zone 060 Dawson, 
  Fire Weather Zone 072 Gosper and Fire Weather Zone 082 Furnas.

* WINDS...From the northwest, generally sustained 20 to 30 mph 
  and gusting as high as 45 MPH. 

* RELATIVE HUMIDITY...As low as around 20 percent. 

* IMPACTS...Any fires that ignite may could be difficult to
  control. Use extreme caution if engaging in any activities that
  could start a fire.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
are either occurring now, or will shortly. A combination of
strong winds, low relative humidity, and warm temperatures can
contribute to extreme fire behavior.

&&

$$

Pfannkuch
202 
WWUS83 KGID 120053
RFWGID

URGENT - FIRE WEATHER MESSAGE
National Weather Service Hastings NE
753 PM CDT Sun Apr 11 2021

NEZ060-072-082-120200-
/O.EXP.KGID.FW.W.0014.000000T0000Z-210412T0100Z/
Dawson-Gosper-Furnas-
753 PM CDT Sun Apr 11 2021

...RED FLAG WARNING WILL EXPIRE AT 8 PM CDT THIS EVENING FOR  
FIRE WEATHER ZONES 060, 072, AND 082...

Relative humidity has started to increase this evening and winds
are starting to diminish, therefore the Red Flag Warning will be
allowed to expire. 

$$

Nearby

Red Flag Warnings in Nebraska, 2021Every red flag warning in 2021

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.