Alert archive / Nebraska / Red Flag Warnings in 2021

Red Flag Warning 11, NWS North Platte, NE

November 15, 202122 counties in Nebraska

NWS North Platte, NE issued this red flag warning at Nov 15, 2021, 2:03 PM MST for 22 counties in Nebraska. It took effect at Nov 16, 2021, 10:00 AM MST. 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: Nov 15, 2021, 2:03 PM MST (21:03 UTC)
In effect from: Nov 16, 2021, 10:00 AM MST
Expired: Nov 16, 2021, 5:00 PM MST
In force: 7 hr
Issued by: NWS North Platte, NE

All 22 counties

Arthur County, NE, Blaine County, NE, Boyd County, NE, Brown County, NE, Cherry County, NE, Custer County, NE, Deuel County, NE, Garden County, NE, Garfield County, NE, Grant County, NE, Holt County, NE, Hooker County, NE, Keith County, NE, Keya Paha County, NE, Lincoln County, NE, Logan County, NE, Loup County, NE, McPherson County, NE, Rock County, NE, Sheridan County, NE, Thomas County, NE, Wheeler County, NE

The radar

The North Platte radar (KLNX), 8 km from the middle of the area, began a volume at 21:09 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, 9.1 hours before the alert went out and 90 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: 2332 m above ground
0-6 km bulk shear: 51 kt
0-1 km storm-relative helicity: 251 m²/s²
0-3 km storm-relative helicity: 340 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

384 
WWUS83 KLBF 152103
RFWLBF

URGENT - FIRE WEATHER MESSAGE
National Weather Service North Platte NE
303 PM CST Mon Nov 15 2021

NEZ204-206-208-209-161200-
/O.NEW.KLBF.FW.W.0011.211116T1700Z-211117T0000Z/
Eastern Panhandle/Crescent Lake NWR-
Sandhills/Valentine NWR/Nebraska National Forest-
Niobrara Valley/Fort Niobrara NWR/Samuel R McKelvie National
Forest-Loup Rivers Basin-
303 PM CST Mon Nov 15 2021 /203 PM MST Mon Nov 15 2021/

...RED FLAG WARNING IN EFFECT FROM 11 AM CST /10 AM MST/ TO 6 PM
CST /5 PM MST/ TUESDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR THE
EASTERN NEBRASKA PANHANDLE AND ALL OF THE SANDHILLS...

The National Weather Service in North Platte has issued a Red
Flag Warning FOR WIND AND LOW RELATIVE HUMIDITY, which is in
effect from 11 AM CST /10 AM MST/ to 6 PM CST /5 PM MST/ Tuesday.

* Affected Area...In NEZ204...Fire Weather Zone 204 Eastern 
  Panhandle/Crescent Lake NWR. In NEZ206...Fire Weather Zone 206 
  Sandhills/Valentine NWR/Nebraska National Forest. In NEZ208... 
  Fire Weather Zone 208 Niobrara Valley/Fort Niobrara NWR/Samuel 
  R McKelvie National Forest. In NEZ209...Fire Weather Zone 209 
  Loup Rivers Basin.

* Winds...Northwest 15 to 25 mph with gusts up to 40 mph.

* Relative Humidity...Between 15 and 20 percent.

* Impacts...Any fire start will likely spread rapidly and could be
  difficult to control.

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.

&&

$$

NEZ210-219-161200-
/O.NEW.KLBF.FW.A.0008.211116T1700Z-211117T0000Z/
Frenchman Basin-Loess Plains-
303 PM CST Mon Nov 15 2021 /203 PM MST Mon Nov 15 2021/

...FIRE WEATHER WATCH IN EFFECT FROM TUESDAY MORNING THROUGH
TUESDAY AFTERNOON FOR WIND AND LOW RELATIVE HUMIDITY FOR SOUTHWEST
NEBRASKA...

The National Weather Service in North Platte has issued a Fire
Weather Watch FOR WIND AND LOW RELATIVE HUMIDITY, which is in
effect from Tuesday morning through Tuesday afternoon.

* Affected Area...In NEZ210...Fire Weather Zone 210 Frenchman 
  Basin. In NEZ219...Fire Weather Zone 219 Loess Plains.

* Winds...Northwest 10 to 20 mph with gusts up to 30 mph.

* Relative Humidity...As low as 15 percent.

* Impacts...Any fire start will likely spread rapidly and could be
  difficult to control.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Fire Weather Watch means that critical fire weather conditions
are forecast to occur. Listen for later forecasts and possible
Red Flag Warnings.

&&

$$

http://weather.gov/LBF

3 follow-up statements

083 
WWUS83 KLBF 160920
RFWLBF

URGENT - FIRE WEATHER MESSAGE
National Weather Service North Platte NE
320 AM CST Tue Nov 16 2021

NEZ210-219-161030-
/O.CAN.KLBF.FW.A.0008.211116T1700Z-211117T0000Z/
Frenchman Basin-Loess Plains-
320 AM CST Tue Nov 16 2021 /220 AM MST Tue Nov 16 2021/

...FIRE WEATHER WATCH IS CANCELLED FOR WIND AND LOW RELATIVE
HUMIDITY FOR FRENCHMAN BASIN AND LOESS PLAINS...

The National Weather Service in North Platte has cancelled the
Fire Weather Watch.

Elevated fire weather conditions are expected in this area.
The risk of critical fire weather conditions in this area is low.

$$

NEZ204-206-208-209-170000-
/O.CON.KLBF.FW.W.0011.211116T1700Z-211117T0000Z/
Eastern Panhandle/Crescent Lake NWR-
Sandhills/Valentine NWR/Nebraska National Forest-
Niobrara Valley/Fort Niobrara NWR/Samuel R McKelvie National
Forest-Loup Rivers Basin-
320 AM CST Tue Nov 16 2021 /220 AM MST Tue Nov 16 2021/

...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM CST /10 AM MST/
THIS MORNING TO 6 PM CST /5 PM MST/ THIS EVENING FOR WIND AND LOW
RELATIVE HUMIDITY FOR MUCH OF WESTERN AND NORTH CENTRAL NEBRASKA...

* Affected Area...In NEZ204...Fire Weather Zone 204 Eastern 
  Panhandle/Crescent Lake NWR. In NEZ206...Fire Weather Zone 206 
  Sandhills/Valentine NWR/Nebraska National Forest. In NEZ208... 
  Fire Weather Zone 208 Niobrara Valley/Fort Niobrara NWR/Samuel 
  R McKelvie National Forest. In NEZ209...Fire Weather Zone 209 
  Loup Rivers Basin.

* Winds...West and Northwest 20 to 30 mph with gusts up to 45 
  mph.

* Relative Humidity...As low as 18 percent.

* Impacts...Any fire start will likely spread rapidly and could 
  be difficult to control.

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.

&&

$$

http://weather.gov/LBF

253 
WWUS83 KLBF 162057
RFWLBF

URGENT - FIRE WEATHER MESSAGE
National Weather Service North Platte NE
257 PM CST Tue Nov 16 2021

NEZ204-206-208-209-170000-
/O.CON.KLBF.FW.W.0011.000000T0000Z-211117T0000Z/
Eastern Panhandle/Crescent Lake NWR-
Sandhills/Valentine NWR/Nebraska National Forest-
Niobrara Valley/Fort Niobrara NWR/Samuel R McKelvie National
Forest-Loup Rivers Basin-
257 PM CST Tue Nov 16 2021 /157 PM MST Tue Nov 16 2021/

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM CST /5 PM MST/
THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR THE EASTERN
NEBRASKA PANHANDLE AND THE SANDHILLS...

* Affected Area...In NEZ204...Fire Weather Zone 204 Eastern 
  Panhandle/Crescent Lake NWR. In NEZ206...Fire Weather Zone 206 
  Sandhills/Valentine NWR/Nebraska National Forest. In NEZ208... 
  Fire Weather Zone 208 Niobrara Valley/Fort Niobrara NWR/Samuel 
  R McKelvie National Forest. In NEZ209...Fire Weather Zone 209 
  Loup Rivers Basin.

* Winds...Northwest 15 to 25 mph with gusts up to 40 mph.

* Relative Humidity...15 to 20 percent.

* Impacts...Any fire start will likely spread rapidly and could 
  be difficult to control.

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.

&&

$$

http://weather.gov/LBF

034 
WWUS83 KLBF 170001
RFWLBF

URGENT - FIRE WEATHER MESSAGE
National Weather Service North Platte NE
601 PM CST Tue Nov 16 2021


NEZ204-206-208-209-170115-
/O.EXP.KLBF.FW.W.0011.000000T0000Z-211117T0000Z/
Eastern Panhandle/Crescent Lake NWR-
Sandhills/Valentine NWR/Nebraska National Forest-
Niobrara Valley/Fort Niobrara NWR/Samuel R McKelvie National
Forest-Loup Rivers Basin-
601 PM CST Tue Nov 16 2021 /501 PM MST Tue Nov 16 2021/

...RED FLAG WARNING HAS EXPIRED FOR THE EASTERN NEBRASKA 
PANHANDLE AND THE SANDHILLS...

Falling temperatures and increasing humidity will ease fire
conditions overnight, so the Red Flag Warning has been allowed to
expire.

$$

http://weather.gov/LBF

The office that day

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

Issued	Product	Office	Counties	Lasted
Nov 15, 2:03 PM MST	Fire Weather Watch	LBF	Chase, Frontier, Hayes, Lincoln, Perkins	12 hr

Nearby

Red Flag Warnings in Nebraska, 2021 Every 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.