Alert archive / Nebraska / Red Flag Warnings in 2012

Red Flag Warning 5, NWS North Platte, NE

March 5, 201224 counties in Nebraska

NWS North Platte, NE issued this red flag warning at Mar 5, 2012, 7:06 PM MST for 24 counties in Nebraska. It took effect at Mar 6, 2012, 10:00 AM MST. 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 5, 2012, 7:06 PM MST (02:06 UTC)
In effect from
Mar 6, 2012, 10:00 AM MST
Expired
Mar 6, 2012, 5:00 PM MST
In force
7 hr
Issued by
NWS North Platte, NE
All 24 counties

Arthur County, NE, Blaine County, NE, Brown County, NE, Chase County, NE, Cherry County, NE, Custer County, NE, Deuel County, NE, Frontier County, NE, Garden County, NE, Garfield County, NE, Grant County, NE, Hayes County, NE, Holt County, NE, Hooker County, NE, Keith County, NE, Lincoln County, NE, Logan County, NE, Loup County, NE, McPherson County, NE, Perkins County, NE, Rock County, NE, Sheridan County, NE, Thomas County, NE, Wheeler County, NE

The radar

The North Platte radar (KLNX), 37 km from the middle of the area, began a volume at 02:04 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, 2.1 hours before the alert went out and 57 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 2012-03-06Temperature 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 00:00Z on 2012-03-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 156 square meters per square second.193958Sfc1 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
3599 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
156 m²/s²
0-3 km storm-relative helicity
197 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.

626 
WWUS83 KLBF 060206
RFWLBF

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE NORTH PLATTE NE
806 PM CST MON MAR 5 2012

...CRITICAL FIRE CONDITIONS EXPECTED TO RETURN TUESDAY...

.AFTERNOON TEMPERATURES IN THE MID TO UPPER 70S...COUPLED WITH
DRY AIR AND GUSTY WINDS...WILL PRODUCE CRITICAL FIRE DANGER
ACROSS MOST OF WESTERN AND NORTH CENTRAL NEBRASKA TUESDAY
AFTERNOON. A RED FLAG WARNING IS NOW IN EFFECT FOR ALMOST ALL OF
WESTERN AND NORTH CENTRAL NEBRASKA.

NEZ204-206-209-210-219-061015-
/O.UPG.KLBF.FW.A.0003.120306T1700Z-120307T0000Z/
/O.NEW.KLBF.FW.W.0005.120306T1700Z-120307T0000Z/
EASTERN PANHANDLE/CRESCENT LAKE NWR-
SANDHILLS/VALENTINE NWR/NEBRASKA NATIONAL FOREST/
SAMUEL R MCKELVIE NATIONAL FOREST-LOUP RIVERS BASIN-
FRENCHMAN BASIN-LOESS PLAINS-
806 PM CST MON MAR 5 2012 /706 PM MST MON MAR 5 2012/

...RED FLAG WARNING IN EFFECT FROM 11 AM CST /10 AM MST/ TO 6 PM
CST /5 PM MST/ TUESDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE 
ZONES 204...206...209...210 AND 219...

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A RED
FLAG WARNING FOR WIND AND LOW RELATIVE HUMIDITY...WHICH IS IN
EFFECT FROM 11 AM CST /10 AM MST/ TO 6 PM CST /5 PM MST/ TUESDAY.
THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. 

* AFFECTED AREA...IN NEBRASKA...FIRE WEATHER ZONE 204 EASTERN 
  PANHANDLE/CRESCENT LAKE NWR...FIRE WEATHER ZONE 206 
  SANDHILLS/VALENTINE NWR/NEBRASKA NATIONAL FOREST/ SAMUEL R 
  MCKELVIE NATIONAL FOREST...FIRE WEATHER ZONE 209 LOUP RIVERS 
  BASIN...FIRE WEATHER ZONE 210 FRENCHMAN BASIN AND FIRE WEATHER 
  ZONE 219 LOESS PLAINS.

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

* RELATIVE HUMIDITY...AS LOW AS 11 PERCENT.

* IMPACTS...DRY VEGETATION WILL COMBINE WITH THESE WEATHER 
  CONDITIONS TO PROMOTE 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
CREATE EXPLOSIVE FIRE GROWTH POTENTIAL.

&&

$$

HTTP://WEATHER.GOV/LBF

JACOBS
2 follow-up statements
262 
WWUS83 KLBF 061006
RFWLBF

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE NORTH PLATTE NE
406 AM CST TUE MAR 6 2012

...CRITICAL FIRE CONDITIONS EXPECTED TODAY...

.VERY WARM TEMPERATURES AND LOW DEWPOINTS WILL GENERATE VERY LOW
RELATIVE HUMIDITY OVER MOST OF WESTERN AND NORTH CENTRAL NEBRASKA
LATE THIS MORNING AND THROUGH THIS AFTERNOON. WITH 15 TO 25 MPH
GUSTY WIND...A FIRE COULD GET OUT OF CONTROL EASILTY. THEREFORE...A
RED FLAG WARNING IS IN EFFECT FOR ALMOST ALL OF WESTERN AND NORTH
CENTRAL NEBRASKA FOR LATE THIS MORNING AND THROUGH THIS AFTERNOON
AND EARLY EVENING.

NEZ204-206-209-210-219-062100-
/O.CON.KLBF.FW.W.0005.120306T1700Z-120307T0000Z/
EASTERN PANHANDLE/CRESCENT LAKE NWR-
SANDHILLS/VALENTINE NWR/NEBRASKA NATIONAL FOREST/
SAMUEL R MCKELVIE NATIONAL FOREST-LOUP RIVERS BASIN-
FRENCHMAN BASIN-LOESS PLAINS-
406 AM CST TUE MAR 6 2012 /306 AM MST TUE MAR 6 2012/

...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM CST /10 AM MST/
THIS MORNING TO 6 PM CST /5 PM MST/ THIS EVENING FOR WIND AND LOW
RELATIVE HUMIDITY FOR FIRE ZONES 204...206...209...210 AND 219...

A RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM CST /10 AM MST/
THIS MORNING TO 6 PM CST /5 PM MST/ THIS EVENING. 

* AFFECTED AREA...IN NEBRASKA...FIRE WEATHER ZONE 204 EASTERN 
  PANHANDLE/CRESCENT LAKE NWR...FIRE WEATHER ZONE 206 
  SANDHILLS/VALENTINE NWR/NEBRASKA NATIONAL FOREST/ SAMUEL R 
  MCKELVIE NATIONAL FOREST...FIRE WEATHER ZONE 209 LOUP RIVERS 
  BASIN...FIRE WEATHER ZONE 210 FRENCHMAN BASIN AND FIRE WEATHER 
  ZONE 219 LOESS PLAINS. 

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

* RELATIVE HUMIDITY...AS LOW AS 12 PERCENT.

* IMPACTS...DRY VEGETATION WILL COMBINE WITH THESE WEATHER 
  CONDITIONS TO PROMOTE 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
CREATE EXPLOSIVE FIRE GROWTH POTENTIAL.

&&

$$

HTTP://WEATHER.GOV/LBF
619 
WWUS83 KLBF 070011
RFWLBF

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE NORTH PLATTE NE
611 PM CST TUE MAR 6 2012

...CRITICAL FIRE DANGER ACROSS WESTERN AND NORTH CENTRAL NEBRASKA
IS WINDING DOWN...

.MINIMUM RELATIVE HUMIDITY HAS RECOVERED TO 15 TO 20 PERCENT AND
WINDS HAVE DECREASED TO UNDER 15 MPH AS OF 6 PM CST (5 PM MST). BY
MIDNIGHT CST (11 PM MST)...WINDS WILL SHIFT TO THE NORTHWEST AT 15
TO 25 MPH...AND RELATIVE HUMIDITY WILL RECOVER TO 40 TO 60
PERCENT. 

NEZ204-206-209-210-219-070115-
/O.EXP.KLBF.FW.W.0005.000000T0000Z-120307T0000Z/
EASTERN PANHANDLE/CRESCENT LAKE NWR-
SANDHILLS/VALENTINE NWR/NEBRASKA NATIONAL FOREST/
SAMUEL R MCKELVIE NATIONAL FOREST-LOUP RIVERS BASIN-
FRENCHMAN BASIN-LOESS PLAINS-
611 PM CST TUE MAR 6 2012 /511 PM MST TUE MAR 6 2012/

...RED FLAG WARNING HAS EXPIRED FOR WIND AND LOW RELATIVE
HUMIDITY FOR FIRE ZONES 204...206...209...210 AND 219...

THE RED FLAG WARNING FOR WESTERN AND NORTH CENTRAL NEBRASKA WILL BE
ALLOWED TO EXPIRE.

$$

HTTP://WEATHER.GOV/LBF

Nearby

Red Flag Warnings in Nebraska, 2012Every red flag warning in 2012

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.