Alert archive / Nebraska / Red Flag Warnings in 2014

Red Flag Warning 13, NWS North Platte, NE

April 25, 20144 counties in Nebraska

NWS North Platte, NE issued this red flag warning at Apr 25, 2014, 9:55 PM MDT for 4 counties in Nebraska. It took effect at Apr 26, 2014, 12:00 PM MDT. It was in force for 9 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
Apr 25, 2014, 9:55 PM MDT (03:55 UTC)
In effect from
Apr 26, 2014, 12:00 PM MDT
Expired
Apr 26, 2014, 9:00 PM MDT
In force
9 hr
Issued by
NWS North Platte, NE

Counties Chase County, NE, Hayes County, NE, Lincoln County, NE, Perkins County, NE

The radar

The North Platte radar (KLNX), 148 km from the middle of the area, began a volume at 03:59 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, 3.9 hours before the alert went out and 73 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 2014-04-26Temperature 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 2014-04-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 25 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
3271 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
25 m²/s²
0-3 km storm-relative helicity
183 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.

812 
WWUS83 KLBF 260355
RFWLBF

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE NORTH PLATTE NE
1055 PM CDT FRI APR 25 2014

...RED FLAG WARNING FOR FRENCHMAN BASIN...

.A SURGE OF VERY WARM DRY AIR WILL MOVE UP FROM KANSAS DURING THE
AFTERNOON AND LAST INTO EARLY EVENING. AT THE SAME TIME...SOUTH
WINDS WILL INCREASE TO AROUND 20 MPH WITH GUSTS TO 30 MPH.

NEZ210-270300-
/O.NEW.KLBF.FW.W.0013.140426T1800Z-140427T0300Z/
FRENCHMAN BASIN-
1055 PM CDT FRI APR 25 2014

...RED FLAG WARNING IN EFFECT FROM 1 PM TO 10 PM CDT SATURDAY FOR
WIND AND LOW RELATIVE HUMIDITY FOR FRENCHMAN BASIN...

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 TO 10 PM CDT SATURDAY.

* AFFECTED AREA...IN NEBRASKA...FIRE WEATHER ZONE 210 FRENCHMAN 
  BASIN.

* WINDS...SOUTHEAST 10 TO 20 MPH WITH GUSTS UP TO 30 MPH.

* RELATIVE HUMIDITY...AS LOW AS 14 PERCENT.

* IMPACTS...ANY RANGE FIRE START WILL HAVE THE POTENTIAL TO BURN 
  OUT OF CONTROL AND EXHIBIT EXTREME FIRE 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 WILL
CONTRIBUTE TO EXTREME FIRE BEHAVIOR.

&&

$$

HTTP://WEATHER.GOV/LBF
3 follow-up statements
550 
WWUS83 KLBF 260951 AAA
RFWLBF

URGENT - FIRE WEATHER MESSAGE...UPDATED
NATIONAL WEATHER SERVICE NORTH PLATTE NE
451 AM CDT SAT APR 26 2014

...RED FLAG WARNING FOR FRENCHMAN BASIN...

.A SURGE OF VERY WARM DRY AIR WILL MOVE UP FROM KANSAS DURING THE
AFTERNOON AND LAST INTO EARLY EVENING. AT THE SAME TIME...SOUTH
WINDS WILL INCREASE TO AROUND 20 MPH WITH GUSTS TO 30 MPH.

NEZ210-270300-
/O.CON.KLBF.FW.W.0013.140426T1800Z-140427T0300Z/
FRENCHMAN BASIN-
451 AM CDT SAT APR 26 2014

...RED FLAG WARNING REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON TO
10 PM CDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR
FRENCHMAN BASIN...

* AFFECTED AREA...IN NEBRASKA...FIRE WEATHER ZONE 210 FRENCHMAN
  BASIN.

* WINDS...SOUTH 10 TO 20 MPH WITH GUSTS UP TO 30 MPH.

* RELATIVE HUMIDITY...AS LOW AS 10 PERCENT.

* IMPACTS...ANY RANGE FIRE START WILL HAVE THE POTENTIAL TO BURN
  OUT OF CONTROL AND EXHIBIT EXTREME FIRE 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 WILL
CONTRIBUTE TO EXTREME FIRE BEHAVIOR.

&&

$$

HTTP://WEATHER.GOV/LBF
585 
WWUS83 KLBF 262118 AAA
RFWLBF

URGENT - FIRE WEATHER MESSAGE...UPDATED
NATIONAL WEATHER SERVICE NORTH PLATTE NE
418 PM CDT SAT APR 26 2014

...RED FLAG WARNING FOR FRENCHMAN BASIN...

.WARM AND VERY DRY AIR MOVED INTO SOUTHWEST NEBRASKA WHICH DROPPED 
RELATIVE HUMIDITY DOWN BELOW 15 PERCENT IN FIRE ZONE 210. BREEZY 
SOUTHERLY WINDS GUSTING TO 25 MPH WILL KEEP FIRE DANGER CRITICAL 
THROUGH THIS EVENING. CONDITIONS WILL IMPROVE OVERNIGHT AS RELATIVE 
HUMIDITY RECOVERS AND WINDS DIMINISH. 

NEZ210-270300-
/O.CON.KLBF.FW.W.0013.000000T0000Z-140427T0300Z/
FRENCHMAN BASIN-
418 PM CDT SAT APR 26 2014

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM CDT THIS
EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FRENCHMAN BASIN...

* AFFECTED AREA...IN NEBRASKA...FIRE WEATHER ZONE 210 FRENCHMAN 
  BASIN.

* WINDS...SOUTH 15 TO 20 MPH WITH GUSTS UP TO 30 MPH.

* RELATIVE HUMIDITY...AS LOW AS 10 PERCENT.

* IMPACTS...ANY RANGE FIRE START WILL HAVE THE POTENTIAL TO BURN 
  OUT OF CONTROL AND EXHIBIT EXTREME FIRE 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 WILL
CONTRIBUTE TO EXTREME FIRE BEHAVIOR.

&&

$$

HTTP://WEATHER.GOV/LBF
120 
WWUS83 KLBF 270211 AAA
RFWLBF

URGENT - FIRE WEATHER MESSAGE...UPDATED
NATIONAL WEATHER SERVICE NORTH PLATTE NE
911 PM CDT SAT APR 26 2014

NEZ210-270315-
/O.CAN.KLBF.FW.W.0013.000000T0000Z-140427T0300Z/
FRENCHMAN BASIN-
911 PM CDT SAT APR 26 2014

...RED FLAG WARNING IS CANCELLED FOR WIND AND LOW RELATIVE
HUMIDITY FOR FRENCHMAN BASIN...

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

THE LOSS OF DAYTIME HEATING HAS CAUSED WIND SPEEDS TO DROP TO 10
MPH OR LESS. THE THREAT OF CRITICAL FIRE DANGER HAS ENDED.

$$

HTTP://WEATHER.GOV/LBF

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.