Alert archive / Nebraska / Red Flag Warnings in 2017

Red Flag Warning 5, NWS North Platte, NE

March 15, 201719 counties in Nebraska

NWS North Platte, NE issued this red flag warning at Mar 15, 2017, 1:55 PM MDT for 19 counties in Nebraska. It took effect at Mar 16, 2017, 11:00 AM MDT. It was in force for 8 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 15, 2017, 1:55 PM MDT (19:55 UTC)
In effect from
Mar 16, 2017, 11:00 AM MDT
Expired
Mar 16, 2017, 7:00 PM MDT
In force
8 hr
Issued by
NWS North Platte, NE

Counties Arthur County, NE, Blaine County, NE, Brown County, NE, Chase County, NE, Cherry County, NE, Deuel County, NE, Frontier County, NE, Garden County, NE, Grant County, NE, Hayes County, NE, Hooker County, NE, Keith County, NE, Lincoln County, NE, Logan County, NE, McPherson County, NE, Perkins County, NE, Rock County, NE, Sheridan County, NE, Thomas County, NE

The radar

The North Platte radar (KLNX), 64 km from the middle of the area, began a volume at 19:52 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, 7.9 hours before the alert went out and 65 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 2017-03-15Temperature 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 2017-03-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 532 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1271 m above ground
0-6 km bulk shear
68 kt
0-1 km storm-relative helicity
532 m²/s²
0-3 km storm-relative helicity
471 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

085 
WWUS83 KLBF 151955
RFWLBF

URGENT - FIRE WEATHER MESSAGE
National Weather Service North Platte NE
255 PM CDT Wed Mar 15 2017

...CRITICAL FIRE WEATHER CONDITIONS ARE EXPECTED THURSDAY
AFTERNOON...

.Much warmer air will push into western and north central Nebraska
Thursday afternoon as a warm front tracks across the region
tonight. Highs on Thursday will be in the upper 70s to lower 80s
across the western sandhills and southwestern Nebraska. Gusty
westerly winds of 15 to 25 MPH with gusts to 30 MPH are expected
Thursday afternoon and these winds will usher in dry air off of
the high plains of the western Nebraska panhandle and northeastern
Colorado. The combination of afternoon relative humidity around 15
percent and westerly winds, will lead to critical fire weather
conditions Thursday afternoon. 

NEZ204-206-210-219-161030-
/O.NEW.KLBF.FW.W.0005.170316T1700Z-170317T0100Z/
Eastern Panhandle/Crescent Lake NWR-
Sandhills/Valentine NWR/Nebraska National Forest-Frenchman Basin-
Loess Plains-
255 PM CDT Wed Mar 15 2017 /155 PM MDT Wed Mar 15 2017/

...RED FLAG WARNING IN EFFECT FROM NOON CDT /11 AM MDT/ TO 8 PM
CDT /7 PM MDT/ THURSDAY FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY 
FOR FIRE WEATHER ZONES 204, 206, 210, AND 219...

The National Weather Service in North Platte has issued a Red
Flag Warning, which is in effect from noon CDT /11 AM MDT/ to
8 PM CDT /7 PM MDT/ Thursday. 

* AFFECTED AREA...Fire weather zone 204.Fire weather zone 
  206.Fire weather zone 210.Fire weather zone 219. 

* WIND...west at 15 to 25 MPH with gusts to 30 MPH. 

* HUMIDITY...as low as 15 percent. 

* HIGHEST THREAT...is located along and south of highway 2 from
  Antioch in southwestern Sheridan county, to Dunning in
  southwestern Blaine county. 

* IMPACTS...any fires that develop will likely spread rapidly.
  Outdoor burning should not be undertaken.

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.

&&

$$

CLB
4 follow-up statements
835 
WWUS83 KLBF 161143
RFWLBF

URGENT - FIRE WEATHER MESSAGE
National Weather Service North Platte NE
643 AM CDT Thu Mar 16 2017

...CRITICAL FIRE WEATHER CONDITIONS ARE EXPECTED THURSDAY
AFTERNOON...

.Much warmer air will push into western and north central
Nebraska today. Highs will be in the upper 70s to lower 80s 
across the western sandhills and southwestern Nebraska. Gusty 
westerly winds of 15 to 25 MPH with gusts to 35 MPH are expected 
this afternoon and these winds will usher in dry air off of the 
high plains of the western Nebraska panhandle and northeastern 
Colorado. The combination of afternoon relative humidity 10 to 15
percent and westerly winds, will lead to critical fire weather 
conditions.

NEZ204-206-210-219-162200-
/O.CON.KLBF.FW.W.0005.170316T1700Z-170317T0100Z/
Eastern Panhandle/Crescent Lake NWR-
Sandhills/Valentine NWR/Nebraska National Forest-Frenchman Basin-
Loess Plains-
643 AM CDT Thu Mar 16 2017 /543 AM MDT Thu Mar 16 2017/

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON CDT /11 AM MDT/
TODAY TO 8 PM CDT /7 PM MDT/ THIS EVENING FOR WINDS AND LOW
RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 204, 206, 210, AND 
219...

* AFFECTED AREA...Fire weather zone 204. Fire weather zone 
  206. Fire weather zone 210. Fire weather zone 219. 

* WIND...west at 15 to 25 MPH with gusts to 35 MPH.

* HUMIDITY...as low as 10 to 15 percent.

* IMPACTS...any fires that develop will likely spread rapidly. 
  Outdoor burning should not be undertaken.

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.

&&

$$

Roberg
932 
WWUS83 KLBF 161145 CCA
RFWLBF

URGENT - FIRE WEATHER MESSAGE...CORRECTED
National Weather Service North Platte NE
645 AM CDT Thu Mar 16 2017

...CRITICAL FIRE WEATHER CONDITIONS THIS AFTERNOON...

.Much warmer air will push into western and north central
Nebraska today. Highs will be in the upper 70s to lower 80s 
across the western sandhills and southwestern Nebraska. Gusty 
westerly winds of 15 to 25 MPH with gusts to 35 MPH are expected 
this afternoon and these winds will usher in dry air off of the 
high plains of the western Nebraska panhandle and northeastern 
Colorado. The combination of afternoon relative humidity 10 to 15
percent and westerly winds, will lead to critical fire weather 
conditions.

NEZ204-206-210-219-162345-
/O.CON.KLBF.FW.W.0005.170316T1700Z-170317T0100Z/
Eastern Panhandle/Crescent Lake NWR-
Sandhills/Valentine NWR/Nebraska National Forest-Frenchman Basin-
Loess Plains-
645 AM CDT Thu Mar 16 2017 /545 AM MDT Thu Mar 16 2017/

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON CDT /11 AM MDT/
TODAY TO 8 PM CDT /7 PM MDT/ THIS EVENING FOR WINDS AND LOW
RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 204, 206, 210, AND 
219...

* AFFECTED AREA...Fire weather zone 204. Fire weather zone 
  206. Fire weather zone 210. Fire weather zone 219. 

* WIND...west at 15 to 25 MPH with gusts to 35 MPH.

* HUMIDITY...as low as 10 to 15 percent.

* IMPACTS...any fires that develop will likely spread rapidly. 
  Outdoor burning should not be undertaken.

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.

&&

$$

Roberg
683 
WWUS83 KLBF 161958
RFWLBF

URGENT - FIRE WEATHER MESSAGE
National Weather Service North Platte NE
258 PM CDT Thu Mar 16 2017

...CRITICAL FIRE WEATHER CONDITIONS THIS AFTERNOON...

.The Red Flag Warning will continue for southwest Nebraska and the
western Sandhills. Relative humidity has lowered into the single
digits with abnormally warm temperatures and gusts in excess of
30 mph. With the setting sun, conditions should improve.

NEZ204-206-210-219-170100-
/O.CON.KLBF.FW.W.0005.000000T0000Z-170317T0100Z/
Eastern Panhandle/Crescent Lake NWR-
Sandhills/Valentine NWR/Nebraska National Forest-Frenchman Basin-
Loess Plains-
258 PM CDT Thu Mar 16 2017 /158 PM MDT Thu Mar 16 2017/

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM CDT /7 PM MDT/
THIS EVENING FOR WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER
ZONES 204, 206, 210, AND 219...

* AFFECTED AREA...Fire weather zone 204. Fire weather zone 206. 
  Fire weather zone 210. Fire weather zone 219. 

* WIND...West to west northwest at 15 to 25 MPH with gusts to 35 
  MPH.

* HUMIDITY...As low as 7 to 15 percent.

* IMPACTS...any fires that develop will likely spread rapidly and show
  extreme behavior.

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.

&&

$$
399 
WWUS83 KLBF 170054
RFWLBF

URGENT - FIRE WEATHER MESSAGE
National Weather Service North Platte NE
754 PM CDT Thu Mar 16 2017

...The Red Flag Warning will be allowed to expire...

.As the cold front continues to drop south through the area,
relative humidity will increase and the fire danger will decrease.

NEZ204-206-210-219-170200-
/O.EXP.KLBF.FW.W.0005.000000T0000Z-170317T0100Z/
Eastern Panhandle/Crescent Lake NWR-
Sandhills/Valentine NWR/Nebraska National Forest-Frenchman Basin-
Loess Plains-
754 PM CDT Thu Mar 16 2017 /654 PM MDT Thu Mar 16 2017/

...RED FLAG WARNING WILL EXPIRE AT 8 PM CDT /7 PM MDT/ THIS
EVENING FOR FOR FIRE WEATHER ZONES 204, 206, 210, AND 219...

There will be some danger as the front drops south over the next
couple of hours due to the sudden wind shift from northwest to
north but overall the fire danger for the evening will continue 
to decrease, therefore the Red Flag Warning will be allowed to 
expire.

$$

Nearby

Red Flag Warnings in Nebraska, 2017Every red flag warning in 2017

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.