Alert archive / Nebraska / Red Flag Warnings in 2020

Red Flag Warning 4, NWS North Platte, NE

March 6, 202012 counties in Nebraska

NWS North Platte, NE issued this red flag warning at Mar 6, 2020, 2:14 PM CST for 12 counties in Nebraska. It took effect at Mar 7, 2020, 12:00 PM CST. 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 6, 2020, 2:14 PM CST (20:14 UTC)
In effect from
Mar 7, 2020, 12:00 PM CST
Expired
Mar 7, 2020, 7:19 PM CST
In force
7 hr
Issued by
NWS North Platte, NE

Counties Blaine County, NE, Boyd County, NE, Brown County, NE, Cherry County, NE, Holt County, NE, Hooker County, NE, Keya Paha County, NE, Lincoln County, NE, Logan County, NE, McPherson County, NE, Rock County, NE, Thomas County, NE

The radar

The North Platte radar (KLNX), 41 km from the middle of the area, began a volume at 20:18 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, 8.2 hours before the alert went out and 117 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 12:00Z on 2020-03-06Temperature 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 12:00Z on 2020-03-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 430 square meters per square second.19395878Sfc1 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
2391 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
430 m²/s²
0-3 km storm-relative helicity
515 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

598 
WWUS83 KLBF 062014 CCA
RFWLBF

URGENT - FIRE WEATHER MESSAGE...CORRECTED
National Weather Service North Platte NE
214 PM CST Fri Mar 6 2020

...CRITICAL FIRE WEATHER CONDITIONS ACROSS PARTS OF WESTERN NEBRASKA
SATURDAY...

.Critical fire weather conditions will develop Saturday afternoon
across the eastern Panhandle, western Sandhills and western 
Niobrara Valley. The area of prime concern is generally along and
west of highway 97. Minimum relative humidity is expected to fall
to between 10 and 15 percent with winds gusting to 25 to 30 mph.

NEZ206-208-071015-
/O.NEW.KLBF.FW.W.0004.200307T1800Z-200308T0200Z/
Sandhills/Valentine NWR/Nebraska National Forest-
Niobrara Valley/Fort Niobrara NWR/Samuel R McKelvie National
Forest-
214 PM CST Fri Mar 6 2020

...RED FLAG WARNING IN EFFECT FROM NOON TO 8 PM CST SATURDAY FOR
WIND AND LOW RELATIVE HUMIDITY FOR THE NORTHWEST SANDHILLS AND 
WESTERN NIOBRARA VALLEY...

The National Weather Service in North Platte has issued a Red
Flag Warning FOR WIND AND LOW RELATIVE HUMIDITY, which is in
effect from noon to 8 PM CST Saturday.

* Affected Area...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.

* Winds...South 10 to 20 mph with gusts up to 25 mph.

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

* Impacts...Any fires that may occur have a high potential to
  spread rapidly and may 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.

&&

$$

NEZ204-071015-
/O.EXT.KLBF.FW.W.0003.000000T0000Z-200308T0200Z/
Eastern Panhandle/Crescent Lake NWR-
114 PM MST Fri Mar 6 2020

...RED FLAG WARNING NOW IN EFFECT UNTIL 7 PM MST SATURDAY FOR
WIND AND LOW RELATIVE HUMIDITY FOR THE EASTERN PANHANDLE INCLUDING
CRESCENT LAKE NWR...

* Affected Area...In NEZ204...Fire Weather Zone 204 Eastern 
  Panhandle/Crescent Lake NWR.

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

* Relative Humidity...As low as 13 percent.

* Impacts...Any fires that may occur have a high potential to 
  spread rapidly and may 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
3 follow-up statements
134 
WWUS83 KLBF 070907
RFWLBF

URGENT - FIRE WEATHER MESSAGE
National Weather Service North Platte NE
307 AM CST Sat Mar 7 2020

...CRITICAL FIRE WEATHER CONDITIONS ACROSS PARTS OF WESTERN
NEBRASKA THIS AFTERNOON INTO THE EARLY EVENING...

.Critical fire weather conditions will develop this afternoon 
across the eastern Panhandle, western Sandhills and western 
Niobrara Valley. The area of prime concern is generally along and 
west of highway 97. Minimum relative humidity is expected to fall 
to 10 to 15 percent with winds gusting to 25 to 30 mph.

NEZ204-080100-
/O.CON.KLBF.FW.W.0003.000000T0000Z-200308T0200Z/
Eastern Panhandle/Crescent Lake NWR-
207 AM MST Sat Mar 7 2020

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM MST THIS EVENING
FOR WIND AND LOW RELATIVE HUMIDITY FOR THE EASTERN PANHANDLE
INCLUDING CRESCENT LAKE NWR...

* Affected Area...In NEZ204...Fire Weather Zone 204 Eastern 
  Panhandle/Crescent Lake NWR.

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

* Relative Humidity...As low as 13 percent.

* Impacts...Any fires that may occur have a high potential to 
  spread rapidly and may 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.

&&

$$

NEZ206-208-080100-
/O.CON.KLBF.FW.W.0004.200307T1800Z-200308T0200Z/
Sandhills/Valentine NWR/Nebraska National Forest-
Niobrara Valley/Fort Niobrara NWR/Samuel R McKelvie National
Forest-
307 AM CST Sat Mar 7 2020

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 8 PM CST
THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR THE NORTHWEST
SANDHILLS AND WESTERN NIOBRARA VALLEY...

* Affected Area...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.

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

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

* Impacts...Any fires that may occur have a high potential to 
  spread rapidly and may 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
519 
WWUS83 KLBF 072100
RFWLBF

URGENT - FIRE WEATHER MESSAGE
National Weather Service North Platte NE
300 PM CST Sat Mar 7 2020

...CRITICAL FIRE WEATHER CONDITIONS ACROSS PARTS OF WESTERN
NEBRASKA THIS AFTERNOON INTO THE EARLY EVENING...

.Critical fire weather conditions are in place this afternoon 
across parts of the eastern Panhandle, western Sandhills and 
western Niobrara Valley. The main concern is generally along and 
west of highway 97 wherein afternoon relative humidity is down 
between 10 and 15 percent with southerly winds gusting to 20 to 
30 mph. Relative humidity will start gradually recovering by 5 PM
MST this afternoon and will increase to above 30 percent by 8 PM 
MST. Meanwhile, winds will lessen late this afternoon and fall to 5
to 15 mph by this evening.

NEZ206-208-080200-
/O.CON.KLBF.FW.W.0004.000000T0000Z-200308T0200Z/
Sandhills/Valentine NWR/Nebraska National Forest-
Niobrara Valley/Fort Niobrara NWR/Samuel R McKelvie National
Forest-
300 PM CST Sat Mar 7 2020

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM CST THIS EVENING
FOR WIND AND LOW RELATIVE HUMIDITY FOR THE NORTHWEST SANDHILLS
AND WESTERN NIOBRARA VALLEY...

* Affected Area...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.

* Winds...South 10 to 15 mph with gusts up to 30 mph.

* Relative Humidity...As low as 14 percent.

* Impacts...Any fires that may occur have a high potential to 
  spread rapidly and may 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.

&&

$$

NEZ204-080200-
/O.CON.KLBF.FW.W.0003.000000T0000Z-200308T0200Z/
Eastern Panhandle/Crescent Lake NWR-
200 PM MST Sat Mar 7 2020

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM MST THIS EVENING
FOR WIND AND LOW RELATIVE HUMIDITY FOR THE EASTERN PANHANDLE
INCLUDING CRESCENT LAKE NWR...

* Affected Area...In NEZ204...Fire Weather Zone 204 Eastern 
  Panhandle/Crescent Lake NWR.

* Winds...Southwest 5 to 15 mph with gusts up to 30 mph.

* Relative Humidity...As low as 12 percent.

* Impacts...Any fires that may occur have a high potential to 
  spread rapidly and may 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
865 
WWUS83 KLBF 080119
RFWLBF

URGENT - FIRE WEATHER MESSAGE
National Weather Service North Platte NE
719 PM CST Sat Mar 7 2020

NEZ206-208-080230-
/O.CAN.KLBF.FW.W.0004.000000T0000Z-200308T0200Z/
Sandhills/Valentine NWR/Nebraska National Forest-
Niobrara Valley/Fort Niobrara NWR/Samuel R McKelvie National
Forest-
719 PM CST Sat Mar 7 2020

...RED FLAG WARNING IS CANCELLED FOR WIND AND LOW RELATIVE
HUMIDITY FOR THE NORTHWEST SANDHILLS AND WESTERN NIOBRARA
VALLEY...

The National Weather Service in North Platte has cancelled the
Red Flag Warning.

Winds have become light and variable and humidity values have
increased to above 30 percent. Therefore, the Red Flag Warning has
been cancelled. 

$$

NEZ204-080230-
/O.CAN.KLBF.FW.W.0003.000000T0000Z-200308T0200Z/
Eastern Panhandle/Crescent Lake NWR-
619 PM MST Sat Mar 7 2020

...RED FLAG WARNING IS CANCELLED FOR WIND AND LOW RELATIVE
HUMIDITY FOR THE EASTERN PANHANDLE INCLUDING CRESCENT LAKE NWR...

The National Weather Service in North Platte has cancelled the
Red Flag Warning.

Winds have become light and variable and humidity values have
increased to above 25 percent. Therefore, the Red Flag Warning 
has been cancelled. 

$$

http://weather.gov/LBF

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.