Alert archive / Nebraska / Red Flag Warnings in 2021

Red Flag Warning 10, NWS Hastings, NE

March 31, 202124 counties in Nebraska; Jewell County, Phillips County, Smith County, Kansas

NWS Hastings, NE issued this red flag warning at Mar 31, 2021, 4:01 AM CDT for 24 counties in Nebraska; Jewell County, Phillips County, Smith County, Kansas. It took effect at Mar 31, 2021, 1:00 PM CDT. It was in force for 7 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
Mar 31, 2021, 4:01 AM CDT (09:01 UTC)
In effect from
Mar 31, 2021, 1:00 PM CDT
Expired
Mar 31, 2021, 8:00 PM CDT
In force
7 hr
Issued by
NWS Hastings, NE
All 27 counties

Jewell County, KS, Phillips County, KS, Smith County, KS, Adams County, NE, Buffalo County, NE, Clay County, NE, Dawson County, NE, Fillmore 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, Nuckolls County, NE, Phelps County, NE, Polk County, NE, Sherman County, NE, Thayer County, NE, Valley County, NE, Webster County, NE, York County, NE

The radar

The Grand Island radar (KUEX), 38 km from the middle of the area, began a volume at 09:03 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 175 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 2021-03-31Temperature 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 2021-03-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 31 square meters per square second.1939587897117Sfc1 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
3098 m above ground
0-6 km bulk shear
58 kt
0-1 km storm-relative helicity
31 m²/s²
0-3 km storm-relative helicity
13 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

245 
WWUS83 KGID 310901
RFWGID

URGENT - FIRE WEATHER MESSAGE
National Weather Service Hastings NE
401 AM CDT Wed Mar 31 2021

KSZ005>007-NEZ039>041-046>048-060>063-072>077-082>087-311800-
/O.NEW.KGID.FW.W.0010.210331T1800Z-210401T0100Z/
Phillips-Smith-Jewell-Valley-Greeley-Nance-Sherman-Howard-Merrick-
Dawson-Buffalo-Hall-Hamilton-Gosper-Phelps-Kearney-Adams-Clay-
Fillmore-Furnas-Harlan-Franklin-Webster-Nuckolls-Thayer-
401 AM CDT Wed Mar 31 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 005, 006, 007, 039, 040, 041, 046, 047, 048, 060,
061, 062, 063, 072, 073, 074, 075, 076, 077, 082, 083, 084, 085,
086 AND 087...

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 Kansas, Fire Weather Zone 005 Phillips, 
  Fire Weather Zone 006 Smith and Fire Weather Zone 007 Jewell. 
  In Nebraska, Fire Weather Zone 039 Valley, Fire Weather Zone 
  040 Greeley, Fire Weather Zone 041 Nance, Fire Weather Zone 
  046 Sherman, Fire Weather Zone 047 Howard, Fire Weather Zone 
  048 Merrick, Fire Weather Zone 060 Dawson, Fire Weather Zone 
  061 Buffalo, Fire Weather Zone 062 Hall, Fire Weather Zone 063 
  Hamilton, Fire Weather Zone 072 Gosper, Fire Weather Zone 073 
  Phelps, Fire Weather Zone 074 Kearney, Fire Weather Zone 075 
  Adams, Fire Weather Zone 076 Clay, Fire Weather Zone 077 
  Fillmore, Fire Weather Zone 082 Furnas, Fire Weather Zone 083 
  Harlan, Fire Weather Zone 084 Franklin, Fire Weather Zone 085 
  Webster, Fire Weather Zone 086 Nuckolls and Fire Weather Zone 
  087 Thayer.

* WINDS...Northwest 15 to 25 mph with gusts up to 35 mph.

* RELATIVE HUMIDITY...As low as 18 percent.

* IMPACTS...Any fires that ignite may spread rapidly and exhibit 
  extreme fire behavior. Use extreme caution if engaging in 
  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.

&&

$$

Heinlein
2 follow-up statements
153 
WWUS83 KGID 311639
RFWGID

URGENT - FIRE WEATHER MESSAGE
National Weather Service Hastings NE
1139 AM CDT Wed Mar 31 2021

NEZ049-064-010100-
/O.EXA.KGID.FW.W.0010.210331T1800Z-210401T0100Z/
Polk-York-
1139 AM CDT Wed Mar 31 2021

...RED FLAG WARNING IN EFFECT UNTIL 8 PM CDT THIS EVENING FOR
WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 049 AND
064...

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

* AFFECTED AREA...In Nebraska, Fire Weather Zone 049 Polk and 
  Fire Weather Zone 064 York.

* WINDS...Northwest 15 to 20 mph with gusts up to 35 mph.

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

* IMPACTS...Any fires that ignite may spread rapidly and exhibit
  extreme fire behavior. Use extreme caution if engaging in
  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.

&&

$$

KSZ005>007-NEZ039>041-046>048-060>063-072>077-082>087-010100-
/O.CON.KGID.FW.W.0010.210331T1800Z-210401T0100Z/
Phillips-Smith-Jewell-Valley-Greeley-Nance-Sherman-Howard-Merrick-
Dawson-Buffalo-Hall-Hamilton-Gosper-Phelps-Kearney-Adams-Clay-
Fillmore-Furnas-Harlan-Franklin-Webster-Nuckolls-Thayer-
1139 AM CDT Wed Mar 31 2021

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING
FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 005,
006, 007, 039, 040, 041, 046, 047, 048, 060, 061, 062, 063, 072,
073, 074, 075, 076, 077, 082, 083, 084, 085, 086 AND 087...

* AFFECTED AREA...In Kansas, Fire Weather Zone 005 Phillips, 
  Fire Weather Zone 006 Smith and Fire Weather Zone 007 Jewell. 
  In Nebraska, Fire Weather Zone 039 Valley, Fire Weather Zone 
  040 Greeley, Fire Weather Zone 041 Nance, Fire Weather Zone 
  046 Sherman, Fire Weather Zone 047 Howard, Fire Weather Zone 
  048 Merrick, Fire Weather Zone 060 Dawson, Fire Weather Zone 
  061 Buffalo, Fire Weather Zone 062 Hall, Fire Weather Zone 063 
  Hamilton, Fire Weather Zone 072 Gosper, Fire Weather Zone 073 
  Phelps, Fire Weather Zone 074 Kearney, Fire Weather Zone 075 
  Adams, Fire Weather Zone 076 Clay, Fire Weather Zone 077 
  Fillmore, Fire Weather Zone 082 Furnas, Fire Weather Zone 083 
  Harlan, Fire Weather Zone 084 Franklin, Fire Weather Zone 085 
  Webster, Fire Weather Zone 086 Nuckolls and Fire Weather Zone 
  087 Thayer.

* WINDS...Northwest 10 to 20 mph with gusts up to 35 mph.

* RELATIVE HUMIDITY...As low as 18 percent.

* IMPACTS...Any fires that ignite may spread rapidly and exhibit
  extreme fire behavior. Use extreme caution if engaging in
  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.

&&

$$
217 
WWUS83 KGID 010052
RFWGID

URGENT - FIRE WEATHER MESSAGE
National Weather Service Hastings NE
752 PM CDT Wed Mar 31 2021

...Red Flag Warning will be allowed to expire at 8 PM CDT...

KSZ005>007-NEZ039>041-046>049-060>064-072>077-082>087-010200-
/O.EXP.KGID.FW.W.0010.000000T0000Z-210401T0100Z/
Phillips-Smith-Jewell-Valley-Greeley-Nance-Sherman-Howard-Merrick-
Polk-Dawson-Buffalo-Hall-Hamilton-York-Gosper-Phelps-Kearney-
Adams-Clay-Fillmore-Furnas-Harlan-Franklin-Webster-Nuckolls-
Thayer-
752 PM CDT Wed Mar 31 2021

...RED FLAG WARNING WILL EXPIRE AT 8 PM CDT THIS EVENING FOR WIND
AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 005, 006, 007,
039, 040, 041, 046, 047, 048, 049, 060, 061, 062, 063, 064, 072,
073, 074, 075, 076, 077, 082, 083, 084, 085, 086 AND 087...

Winds are gradually diminishing across the local area this 
evening and relative humidity values are beginning to recover. For
these reasons...the Red Flag warning is being allowed to expire.

$$

Rossi

Nearby

Red Flag Warnings in Nebraska, 2021Red Flag Warnings in Kansas, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.