Alert archive / Nebraska / Red Flag Warnings in 2014

Red Flag Warning 4, NWS North Platte, NE

February 18, 2014Frontier County, Lincoln County, Nebraska

NWS North Platte, NE issued this red flag warning at Feb 18, 2014, 4:22 AM CST for Frontier County, Lincoln County, Nebraska. It took effect at Feb 18, 2014, 1:00 PM CST. It was in force for 3 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
Feb 18, 2014, 4:22 AM CST (10:22 UTC)
In effect from
Feb 18, 2014, 1:00 PM CST
Expired
Feb 18, 2014, 3:40 PM CST
In force
3 hr
Issued by
NWS North Platte, NE

Counties Frontier County, NE, Lincoln County, NE

The radar

The North Platte radar (KLNX), 130 km from the middle of the area, began a volume at 10:25 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, 10.4 hours before the alert went out and 38 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 2014-02-18Temperature 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 2014-02-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 153 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
2957 m above ground
0-6 km bulk shear
63 kt
0-1 km storm-relative helicity
153 m²/s²
0-3 km storm-relative helicity
225 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

575 
WWUS83 KLBF 181022
RFWLBF

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE NORTH PLATTE NE
422 AM CST TUE FEB 18 2014

...CRITICAL FIRE WEATHER CONDITIONS OVER PORTIONS OF SOUTHWEST
NEBRASKA THIS AFTERNOON...

.WARM DRY AIR AND GUSTY NORTHWEST WINDS UP TO 45 MPH WILL COMBINE
FOR CRITICAL FIRE WEATHER CONDITIONS OVER PORTIONS OF SOUTHWEST
NEBRASKA THIS AFTERNOON.

NEZ219-190000-
/O.NEW.KLBF.FW.W.0004.140218T1900Z-140219T0000Z/
LOESS PLAINS-
422 AM CST TUE FEB 18 2014

...RED FLAG WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO 6 PM
CST THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FRONTIER 
AND SOUTHEAST LINCOLN COUNTY...

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A RED
FLAG WARNING FOR WIND AND LOW RELATIVE HUMIDITY...WHICH IS IN
EFFECT FROM 1 PM THIS AFTERNOON TO 6 PM CST THIS EVENING.

* AFFECTED AREA...IN NEBRASKA...FIRE WEATHER ZONE 219 LOESS 
  PLAINS.

* WINDS...NORTHWEST 25 TO 35 MPH WITH GUSTS UP TO 45 MPH.

* RELATIVE HUMIDITY...AS LOW AS 20 PERCENT.

* IMPACTS...VERY DRY FUELS...STRONG WINDS AND LOW RELATIVE HUMIDITY
  VALUES WILL RESULT IN THE POTENTIAL FOR FIRES THAT GET OUT OF
  CONTROL QUICKLY.

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 WILL
CONTRIBUTE TO EXTREME FIRE BEHAVIOR.

&&

$$

HTTP://WEATHER.GOV/LBF
2 follow-up statements
493 
WWUS83 KLBF 181831 AAA
RFWLBF

URGENT - FIRE WEATHER MESSAGE...UPDATED
NATIONAL WEATHER SERVICE NORTH PLATTE NE
1231 PM CST TUE FEB 18 2014

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

.TEMPERATURES IN THE UPPER 50S AND LOW 60S...ALONG WITH LOW
DEWPOINTS HAS DROPPED RELATIVE HUMIDITY DOWN TO 15 PERCENT OR
LOWER IN PORTIONS OF SOUTHWEST NEBRASKA. THESE DRY CONDITIONS WILL
CONTINUE TO COMBINE WITH STRONG WINDS...GUSTING UP TO 50 MPH TO
KEEP CONDITIONS CRITICAL FOR RAPID FIRE BEHAVIOR. CONDITIONS WILL
IMPROVE LATER THIS AFTERNOON AS TEMPERATURES AND WIND SPEEDS FALL.

NEZ219-190000-
/O.CON.KLBF.FW.W.0004.140218T1900Z-140219T0000Z/
LOESS PLAINS-
1231 PM CST TUE FEB 18 2014

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING
FOR WIND AND LOW RELATIVE HUMIDITY FOR FRONTIER AND SOUTHEAST
LINCOLN COUNTY...

* AFFECTED AREA...IN NEBRASKA...FIRE WEATHER ZONE 219 LOESS 
  PLAINS.

* WINDS...NORTHWEST 25 TO 35 MPH WITH GUSTS UP TO 50 MPH.

* RELATIVE HUMIDITY...AS LOW AS 13 PERCENT.

* IMPACTS...DRY FUELS...STRONG WINDS AND LOW RELATIVE HUMIDITY
  VALUES WILL RESULT IN THE POTENTIAL FOR FIRES TO GET OUT OF
  CONTROL QUICKLY.

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 WILL
CONTRIBUTE TO EXTREME FIRE BEHAVIOR.

&&

$$

HTTP://WEATHER.GOV/LBF
166 
WWUS83 KLBF 182140
RFWLBF

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE NORTH PLATTE NE
340 PM CST TUE FEB 18 2014

...FIRE WEATHER CONDITIONS IMPROVING...

.TEMPERATURES HAVE BEGUN TO FALL THIS AFTERNOON WHICH HAS ALLOWED
RELATIVE HUMIDITY TO INCREASE. WITH RELATIVE HUMIDITY READINGS NOW
ABOVE 25 PERCENT...THE THREAT FOR FIRES TO QUICKLY BECOME OUT OF
CONTROL HAS DIMINISHED.

NEZ219-182245-
/O.CAN.KLBF.FW.W.0004.000000T0000Z-140219T0000Z/
LOESS PLAINS-
340 PM CST TUE FEB 18 2014

...RED FLAG WARNING IS CANCELLED FOR WIND AND LOW RELATIVE
HUMIDITY FOR FRONTIER AND SOUTHEAST LINCOLN COUNTY...

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS CANCELLED THE
RED FLAG WARNING.

FIRE WEATHER CONDITIONS HAVE IMPROVED...WITH RELATIVE HUMIDITY
INCREASING TO 25 PERCENT OR HIGHER AND WINDS BEGINNING TO
DIMINISH. CONDITIONS WILL CONTINUE TO IMPROVE THROUGH THE
REMAINDER OF THE AFTERNOON. THEREFORE THE RED FLAG WARNING HAS
BEEN CANCELLED FOR FIRE WEATHER ZONE 219.

$$

HTTP://WEATHER.GOV/LBF

BROOKS

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 18, 3:05 PM CSTWinter Weather AdvisoryLBFBlaine, Chase, Custer, Frontier, Garfield, Hayes and 7 more37 hr

Nearby

Red Flag Warnings in Nebraska, 2014Every red flag warning in 2014

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.