Alert archive / Nebraska / Red Flag Warnings in 2013

Red Flag Warning 2, NWS North Platte, NE

April 4, 201321 counties in Nebraska

NWS North Platte, NE issued this red flag warning at Apr 4, 2013, 6:21 PM MDT for 21 counties in Nebraska. It took effect at Apr 5, 2013, 12:00 PM MDT. 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
Apr 4, 2013, 6:21 PM MDT (00:21 UTC)
In effect from
Apr 5, 2013, 12:00 PM MDT
Expired
Apr 5, 2013, 7:00 PM MDT
In force
7 hr
Issued by
NWS North Platte, NE
All 21 counties

Arthur County, NE, Blaine County, NE, Boyd County, NE, Brown County, NE, Chase County, NE, Cherry County, NE, Deuel County, NE, Garden County, NE, Grant County, NE, Hayes County, NE, Holt County, NE, Hooker County, NE, Keith County, NE, Keya Paha 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), 31 km from the middle of the area, began a volume at 00:20 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, 0.4 hours before the alert went out and 76 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 2013-04-05Temperature 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 2013-04-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 40 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
2391 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
40 m²/s²
0-3 km storm-relative helicity
188 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.

500 
WWUS83 KLBF 050021
RFWLBF

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE NORTH PLATTE NE
721 PM CDT THU APR 4 2013

...CRITICAL FIRE DANGER IS LIKELY FRIDAY...

.LOW PRESSURE WILL DEVELOP ACROSS EASTERN SOUTH DAKOTA FRIDAY
AFTERNOON. THIS WILL DRAW VERY DRY AIR EAST OFF THE CENTRAL HIGH
PLAINS THROUGH WESTERN NEBRASKA. WEST WINDS SHOULD INCREASE TO
15 TO 25 MPH BY AFTERNOON...AND THE COMBINATION OF WINDS AND VERY
DRY AIR...WILL RESULT IN CRITICAL FIRE DANGER ACROSS THE EASTERN
PANHANDLE...SOUTHWESTERN NEBRASKA AND THE WESTERN SANDHILLS.

NEZ204-210-060100-
/O.UPG.KLBF.FW.A.0001.130405T1800Z-130406T0100Z/
/O.NEW.KLBF.FW.W.0002.130405T1800Z-130406T0100Z/
EASTERN PANHANDLE/CRESCENT LAKE NWR-FRENCHMAN BASIN-
721 PM CDT THU APR 4 2013 /621 PM MDT THU APR 4 2013/

...RED FLAG WARNING IN EFFECT FROM 1 PM CDT /NOON MDT/ TO 8 PM
CDT /7 PM MDT/ FRIDAY FOR LOW RELATIVE HUMIDITIES AND GUSTY WINDS
 FOR THE EASTERN NEBRASKA PANHANDLE...WESTERN SANDHILLS AND FAR
SOUTHWESTERN NEBRASKA...

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A RED
FLAG WARNING FOR LOW RELATIVE HUMIDITIES AND GUSTY WINDS...WHICH IS IN
EFFECT FROM 1 PM CDT /NOON MDT/ TO 8 PM CDT /7 PM MDT/ FRIDAY. THE
FIRE WEATHER WATCH IS NO LONGER IN EFFECT.

* AFFECTED AREA...IN NEBRASKA...FIRE WEATHER ZONE 204 EASTERN 
  PANHANDLE/CRESCENT LAKE NWR AND FIRE WEATHER ZONE 210 
  FRENCHMAN BASIN.

* WINDS...SOUTHWEST 15 TO 25 MPH WITH GUSTS UP TO 30 MPH.

* TIMING...STRONGEST WINDS AND LOWEST RELATIVE HUMIDITIES WILL BE
  FRIDAY AFTERNOON.

* RELATIVE HUMIDITY...AS LOW AS 15 PERCENT.

* TEMPERATURES...IN THE LOWER TO MID 70S.

* LIGHTNING...ISOLATED THUNDERSTORMS ARE POSSIBLE FRIDAY EVENING.

* IMPACTS...EXPLOSIVE GROWTH COULD OCCUR WITH ANY WILDFIRE. 
  ISOLATED THUNDERSTORMS ARE POSSIBLE ACROSS NORTHWEST NEBRASKA 
  FRIDAY EVENING WHICH WOULD ENHANCE THE DANGER OF WILDFIRES. A 
  STRONG COLD FRONT MOVING INTO NORTHERN NEBRASKA LATE FRIDAY 
  EVENING WOULD CAUSE WINDS TO SHIFT TO THE NORTH AND FIRE 
  BEHAVIOR WILL BECOME ERRATIC. 

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
CREATE EXPLOSIVE FIRE GROWTH POTENTIAL.

&&

$$

HTTP://WEATHER.GOV/LBF
3 follow-up statements
930 
WWUS83 KLBF 050925 AAA
RFWLBF

URGENT - FIRE WEATHER MESSAGE...UPDATED
NATIONAL WEATHER SERVICE NORTH PLATTE NE
425 AM CDT FRI APR 5 2013

...CRITICAL FIRE DANGER THIS AFTERNOON...

.LOW PRESSURE WILL DEVELOP ACROSS EASTERN SOUTH DAKOTA THIS AFTERNOON.
THIS WILL DRAW VERY DRY AIR EAST OFF THE CENTRAL HIGH PLAINS
THROUGH WESTERN NEBRASKA. WEST WINDS WILL INCREASE TO 15 TO 25
MPH BY AFTERNOON...AND THE COMBINATION OF WINDS AND VERY DRY
AIR...WILL RESULT IN CRITICAL FIRE DANGER ACROSS THE EASTERN
PANHANDLE...SOUTHWESTERN NEBRASKA AND THE WESTERN SANDHILLS.

NEZ204-210-052100-
/O.CON.KLBF.FW.W.0002.130405T1800Z-130406T0100Z/
EASTERN PANHANDLE/CRESCENT LAKE NWR-FRENCHMAN BASIN-
425 AM CDT FRI APR 5 2013 /325 AM MDT FRI APR 5 2013/

...RED FLAG WARNING REMAINS IN EFFECT FROM 1 PM CDT /NOON MDT/
THIS AFTERNOON TO 8 PM CDT /7 PM MDT/ THIS EVENING FOR LOW
RELATIVE HUMIDITY AND GUSTY WINDS  FOR THE EASTERN NEBRASKA
PANHANDLE...WESTERN SANDHILLS AND FAR SOUTHWESTERN NEBRASKA...

* AFFECTED AREA...IN NEBRASKA...FIRE WEATHER ZONE 204 EASTERN 
  PANHANDLE/CRESCENT LAKE NWR AND FIRE WEATHER ZONE 210 
  FRENCHMAN BASIN.

* WINDS...SOUTHWEST 15 TO 20 MPH BECOMING WEST WITH GUSTS UP TO
  30 MPH.

* TIMING...STRONGEST WINDS AND LOWEST RELATIVE HUMIDITY WILL OCCUR
  AROUND 5 PM.

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

* TEMPERATURES...IN THE UPPER 70S TO NEAR 80.

* LIGHTNING...ISOLATED THUNDERSTORMS ARE POSSIBLE ACROSS THE
  EASTERN PANHANDLE THIS AFTERNOON AND THIS EVENING.

* IMPACTS...EXPLOSIVE GROWTH COULD OCCUR WITH ANY WILDFIRE.
  ISOLATED THUNDERSTORMS ARE POSSIBLE ACROSS WESTERN NEBRASKA THIS
  AFTERNOON AND EVENING WHICH WOULD ENHANCE THE DANGER OF
  WILDFIRES. A STRONG COLD FRONT MOVING INTO NORTHERN NEBRASKA
  THIS EVENING WOULD CAUSE WINDS TO SHIFT TO THE NORTH AND FIRE
  BEHAVIOR WILL BECOME ERRATIC.

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
CREATE EXPLOSIVE FIRE GROWTH POTENTIAL.

&&

$$

HTTP://WEATHER.GOV/LBF
306 
WWUS83 KLBF 051753
RFWLBF

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE NORTH PLATTE NE
1253 PM CDT FRI APR 5 2013

...CRITICAL FIRE DANGER THIS AFTERNOON...

.LOW PRESSURE WILL DEVELOP ACROSS EASTERN SOUTH DAKOTA THIS
AFTERNOON. THIS WILL DRAW VERY DRY AIR EAST OFF THE CENTRAL HIGH
PLAINS THROUGH WESTERN NEBRASKA. WEST WINDS WILL INCREASE TO
15 TO 25 MPH BY AFTERNOON...AND THE COMBINATION OF WINDS AND VERY
DRY AIR...WILL RESULT IN CRITICAL FIRE DANGER ACROSS THE EASTERN
PANHANDLE...SOUTHWESTERN NEBRASKA AND THE WESTERN SANDHILLS.

NEZ204-210-060100-
/O.CON.KLBF.FW.W.0002.130405T1800Z-130406T0100Z/
EASTERN PANHANDLE/CRESCENT LAKE NWR-FRENCHMAN BASIN-
1253 PM CDT FRI APR 5 2013 /1153 AM MDT FRI APR 5 2013/

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM CDT /7 PM MDT/
THIS EVENING FOR LOW RELATIVE HUMIDITY AND GUSTY WINDS  FOR THE
EASTERN NEBRASKA PANHANDLE...WESTERN SANDHILLS AND FAR
SOUTHWESTERN NEBRASKA...

* AFFECTED AREA...IN NEBRASKA...FIRE WEATHER ZONE 204 EASTERN 
  PANHANDLE/CRESCENT LAKE NWR AND FIRE WEATHER ZONE 210 
  FRENCHMAN BASIN.

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

* TIMING...STRONGEST WINDS AND LOWEST RELATIVE HUMIDITY WILL 
  OCCUR AROUND 5 PM. 

* RELATIVE HUMIDITY...AS LOW AS 15 PERCENT.

* TEMPERATURES...AROUND 70.

* LIGHTNING...ISOLATED THUNDERSTORMS ARE POSSIBLE ACROSS THE 
  EASTERN PANHANDLE THIS AFTERNOON AND THIS EVENING. 

* IMPACTS...EXPLOSIVE GROWTH COULD OCCUR WITH ANY WILDFIRE. 
  ISOLATED THUNDERSTORMS ARE POSSIBLE ACROSS WESTERN NEBRASKA 
  THIS AFTERNOON AND EVENING WHICH WOULD ENHANCE THE DANGER OF 
  WILDFIRES. A STRONG COLD FRONT MOVING INTO NORTHERN NEBRASKA 
  THIS EVENING WOULD CAUSE WINDS TO SHIFT TO THE NORTH AND FIRE 
  BEHAVIOR WILL BECOME ERRATIC. 

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
CREATE EXPLOSIVE FIRE GROWTH POTENTIAL.

&&

$$

HTTP://WEATHER.GOV/LBF


JACOBS
892 
WWUS83 KLBF 051843
RFWLBF

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE NORTH PLATTE NE
143 PM CDT FRI APR 5 2013

...CRITICAL FIRE DANGER THIS AFTERNOON...

.LOW PRESSURE WILL DEVELOP ACROSS EASTERN SOUTH DAKOTA THIS
AFTERNOON. THIS WILL DRAW VERY DRY AIR EAST OFF THE CENTRAL HIGH
PLAINS THROUGH WESTERN AND NORTH CENTRAL NEBRASKA. WEST WINDS
WILL INCREASE TO 15 TO 25 MPH...WITH HIGHER GUSTS...BY
AFTERNOON...AND THE COMBINATION OF WINDS AND VERY DRY AIR...WILL
RESULT IN CRITICAL FIRE DANGER ACROSS THE EASTERN
PANHANDLE...SOUTHWESTERN NEBRASKA...NIOBRARA RIVER BASIN AND MUCH
OF THE SANDHILLS.

NEZ206-208-060100-
/O.EXA.KLBF.FW.W.0002.000000T0000Z-130406T0100Z/
SANDHILLS/VALENTINE NWR/NEBRASKA NATIONAL FOREST/
SAMUEL R MCKELVIE NATIONAL FOREST-
NIOBRARA VALLEY/FORT NIOBRARA NWR-
143 PM CDT FRI APR 5 2013 /1243 PM MDT FRI APR 5 2013/

...RED FLAG WARNING IN EFFECT UNTIL 8 PM CDT /7 PM MDT/ THIS
EVENING FOR THE NIOBRARA VALLEY /ZONE 208/ AND THE CENTRAL SAND 
HILLS /ZONE 206/ FOR LOW RELATIVE HUMIDITY AND GUSTY WIND...

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A RED
FLAG WARNING FOR CRITICALLY LOW RELATIVE HUMIDITY AND STRONG GUSTY
WIND...WHICH IS IN EFFECT UNTIL 8 PM CDT /7 PM MDT/ THIS EVENING.

* AFFECTED AREA...IN NEBRASKA...FIRE WEATHER ZONE 206 
  SANDHILLS/VALENTINE NWR/NEBRASKA NATIONAL FOREST/ SAMUEL R 
  MCKELVIE NATIONAL FOREST AND FIRE WEATHER ZONE 208 NIOBRARA 
  VALLEY/FORT NIOBRARA NWR.

* WINDS...SOUTH 15 TO 25 MPH WITH GUSTS UP TO 40 MPH.

* TIMING...STRONGEST WINDS AND LOWEST RELATIVE HUMIDITY WILL 
  OCCUR AROUND 5 PM. 

* RELATIVE HUMIDITY...AS LOW AS 15 PERCENT.

* TEMPERATURES...LOW TO MID 70S.

* LIGHTNING...ISOLATED THUNDERSTORMS ARE POSSIBLE ACROSS THE 
  EASTERN PANHANDLE OF NEBRASKA THIS AFTERNOON AND THIS EVENING. 

* IMPACTS...EXPLOSIVE GROWTH COULD OCCUR WITH ANY WILDFIRE. 
  ISOLATED THUNDERSTORMS ARE POSSIBLE ACROSS WESTERN NEBRASKA 
  THIS AFTERNOON AND EVENING WHICH WOULD ENHANCE THE DANGER OF 
  WILDFIRES. A STRONG COLD FRONT MOVING INTO NORTHERN NEBRASKA 
  THIS EVENING WOULD CAUSE WINDS TO SHIFT TO THE NORTH AND FIRE 
  BEHAVIOR WILL BECOME ERRATIC. 

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
CREATE EXPLOSIVE FIRE GROWTH POTENTIAL.

&&

$$

NEZ204-210-060100-
/O.CON.KLBF.FW.W.0002.000000T0000Z-130406T0100Z/
EASTERN PANHANDLE/CRESCENT LAKE NWR-FRENCHMAN BASIN-
143 PM CDT FRI APR 5 2013 /1243 PM MDT FRI APR 5 2013/

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM CDT /7 PM MDT/
THIS EVENING FOR LOW RELATIVE HUMIDITY AND GUSTY WINDS  FOR THE
EASTERN NEBRASKA PANHANDLE...WESTERN SANDHILLS AND FAR
SOUTHWESTERN NEBRASKA...

* AFFECTED AREA...IN NEBRASKA...FIRE WEATHER ZONE 204 EASTERN 
  PANHANDLE/CRESCENT LAKE NWR AND FIRE WEATHER ZONE 210 
  FRENCHMAN BASIN.

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

* TIMING...STRONGEST WINDS AND LOWEST RELATIVE HUMIDITY WILL 
  OCCUR AROUND 5 PM. 

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

* TEMPERATURES...LOW TO MID 70S.

* LIGHTNING...ISOLATED THUNDERSTORMS ARE POSSIBLE ACROSS THE 
  EASTERN PANHANDLE THIS AFTERNOON AND THIS EVENING. 

* IMPACTS...EXPLOSIVE GROWTH COULD OCCUR WITH ANY WILDFIRE. 
  ISOLATED THUNDERSTORMS ARE POSSIBLE ACROSS WESTERN NEBRASKA 
  THIS AFTERNOON AND EVENING WHICH WOULD ENHANCE THE DANGER OF 
  WILDFIRES. A STRONG COLD FRONT MOVING INTO NORTHERN NEBRASKA 
  THIS EVENING WOULD CAUSE WINDS TO SHIFT TO THE NORTH AND FIRE 
  BEHAVIOR WILL BECOME ERRATIC. 

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
CREATE EXPLOSIVE FIRE GROWTH POTENTIAL.

&&

$$

HTTP://WEATHER.GOV/LBF

JACOBS

Nearby

Red Flag Warnings in Nebraska, 2013Every red flag warning in 2013

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.