Alert archive / Nebraska / Red Flag Warnings in 2012

Red Flag Warning 8, NWS North Platte, NE

March 12, 201211 counties in Nebraska

NWS North Platte, NE issued this red flag warning at Mar 12, 2012, 3:25 AM MDT for 11 counties in Nebraska. It took effect at Mar 12, 2012, 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 12, 2012, 3:25 AM MDT (09:25 UTC)
In effect from
Mar 12, 2012, 11:00 AM MDT
Expired
Mar 12, 2012, 7:00 PM MDT
In force
8 hr
Issued by
NWS North Platte, NE

Counties Arthur County, NE, Chase County, NE, Cherry County, NE, Deuel County, NE, Garden County, NE, Grant County, NE, Hayes County, NE, Keith County, NE, Lincoln County, NE, Perkins County, NE, Sheridan County, NE

The radar

The North Platte radar (KLNX), 110 km from the middle of the area, began a volume at 09:24 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, 9.4 hours before the alert went out and 95 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 2012-03-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 joules per kilogram.LCLLFCEL10008507005003002001001 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 2012-03-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -39 square meters per square second.1939Sfc1 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
1 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
527 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
-39 m²/s²
0-3 km storm-relative helicity
342 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.

377 
WWUS83 KLBF 120925
RFWLBF

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE NORTH PLATTE NE
425 AM CDT MON MAR 12 2012

...CRITICAL FIRE CONDITIONS ARE LIKELY ON MONDAY ALONG AND WEST OF
HIGHWAY 61 FROM IMPERIAL TO MERRIMAN...

...CRITICAL FIRE CONDITIONS ARE POSSIBLE TUESDAY AFTERNOON ACROSS
ALL OF WESTERN AND NORTH CENTRAL NEBRASKA...

.UNSEASONABLLY WARM TEMPERATURES THIS AFTERNOON AND TUESDAY
AFTERNOON...COMBINED WITH LOW RELATIVE HUMIDITIES AND GUSTY
WINDS...WILL PRODUCE CRITICAL OR NEAR CRITICAL FIRE DANGER ACROSS
WESTERN AND NORTH CENTRAL NEBRASKA. 

FOR TODAY...MINIMUM RELATIVE HUMIDITY OF 15 PERCENT ALONG WITH
GUSTY NORTHWESTERLY WINDS WILL PRODUCE CRITICAL FIRE DANGER IN THE
EASTERN NEBRASKA PANHANDLE AND LOCATIONS ALONG AND WEST OF HIGHWAY
61 FROM IMPERIAL TO MERRIMAN. ON TUESDAY...RECORD HIGHS ARE
EXPECTED ACROSS WESTERN AND NORTH CENTRAL NEBRASKA. THE
COMBINATION OF TEMPERATURES IN THE UPPER 70S...ALONG WITH
AFTERNOON RELATIVE HUMIDITY AROUND 15 PERCENT AND GUSTY
WINDS...WILL PRODUCE NEAR CRITICAL FIRE DANGER CONDITIONS TUESDAY
AFTERNOON. 

NEZ206-209-219-122100-
/O.CAN.KLBF.FW.A.0006.120312T1700Z-120313T0100Z/
/O.NEW.KLBF.FW.A.0007.120313T1700Z-120314T0100Z/
SANDHILLS/VALENTINE NWR/NEBRASKA NATIONAL FOREST/
SAMUEL R MCKELVIE NATIONAL FOREST-LOUP RIVERS BASIN-LOESS PLAINS-
425 AM CDT MON MAR 12 2012

...FIRE WEATHER WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH
TUESDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR THE CENTRAL
AND EASTERN SANDHILLS...AS WELL AS PORTIONS OF SOUTHWESTERN
NEBRASKA.

...FIRE WEATHER WATCH IS CANCELLED FOR TODAY...

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A FIRE
WEATHER WATCH FOR WIND AND LOW RELATIVE HUMIDITY...WHICH IS IN
EFFECT FROM TUESDAY AFTERNOON THROUGH TUESDAY EVENING. THE FIRE
WEATHER WATCH FOR TODAY HAS BEEN CANCELLED. 

* 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 10 TO 20 MPH WITH GUSTS UP TO 30 MPH POSSIBLE.

* 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 FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE
RED FLAG WARNINGS.

&&

$$

NEZ204-210-122100-
/O.UPG.KLBF.FW.A.0006.120312T1700Z-120313T0100Z/
/O.NEW.KLBF.FW.W.0008.120312T1700Z-120313T0100Z/
/O.NEW.KLBF.FW.A.0007.120313T1700Z-120314T0100Z/
EASTERN PANHANDLE/CRESCENT LAKE NWR-FRENCHMAN BASIN-
425 AM CDT MON MAR 12 2012 /325 AM MDT MON MAR 12 2012/

...RED FLAG WARNING IN EFFECT FROM NOON CDT /11 AM MDT/ TODAY TO
8 PM CDT /7 PM MDT/ THIS EVENING FOR WIND AND LOW RELATIVE
HUMIDITY FOR LOCATIONS ALONG AND WEST OF HIGHWAY 61 FROM 
IMPERIAL TO MERRIMAN...

...FIRE WEATHER WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH
TUESDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR THE EASTERN
NEBRASKA PANHANDLE AND SOUTHWESTERN NEBRASKA...

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A RED
FLAG WARNING FOR WIND AND LOW RELATIVE HUMIDITY...WHICH IS IN
EFFECT FROM NOON CDT /11 AM MDT/ TODAY TO 8 PM CDT /7 PM MDT/
THIS EVENING. 

A FIRE WEATHER WATCH HAS ALSO BEEN ISSUED. THIS
FIRE WEATHER WATCH FOR WIND AND LOW RELATIVE HUMIDITY IS IN
EFFECT FROM TUESDAY AFTERNOON THROUGH TUESDAY EVENING. 

* 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.

* RELATIVE HUMIDITY...AS LOW AS 15 PERCENT TODAY AND AS LOW AS 10
  PERCENT ON TUESDAY.

* 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.

A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE
RED FLAG WARNINGS.

&&

$$

NEZ208-122100-
/O.NEW.KLBF.FW.A.0007.120313T1700Z-120314T0100Z/
NIOBRARA VALLEY/FORT NIOBRARA NWR-
325 AM MDT MON MAR 12 2012

...FIRE WEATHER WATCH IN EFFECT FROM TUESDAY MORNING THROUGH
TUESDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR LOW RELATIVE
HUMIDITY AND GUSTY WINDS...

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A FIRE
WEATHER WATCH FOR WIND AND LOW RELATIVE HUMIDITY...WHICH IS IN
EFFECT FROM LATE TUESDAY MORNING THROUGH TUESDAY EVENING. 

* AFFECTED AREA...IN NEBRASKA...FIRE WEATHER ZONE 208 NIOBRARA 
  VALLEY/FORT NIOBRARA NWR.

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

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

* IMPACTS...DRY VEGETATION WILL COMBINE WITH THESE WEATHER 
  CONDITIONS TO PROMOTE EXTREME FIRE BEHAVIOR.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE
RED FLAG WARNINGS.

&&

$$

HTTP://WEATHER.GOV/LBF
1 follow-up statement
378 
WWUS83 KLBF 122053
RFWLBF

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE NORTH PLATTE NE
353 PM CDT MON MAR 12 2012

...CRITICAL FIRE CONDITIONS ARE LIKELY ON THIS EVENING ALONG AND
WEST OF HIGHWAY 61 FROM IMPERIAL TO MERRIMAN...

...CRITICAL FIRE CONDITIONS ARE LIKELY TUESDAY AFTERNOON ACROSS
ALL OF WESTERN AND NORTH CENTRAL NEBRASKA...

.UNSEASONABLLY WARM TEMPERATURES THIS AFTERNOON AND TUESDAY
AFTERNOON...COMBINED WITH LOW RELATIVE HUMIDITY VALUES AND GUSTY
WINDS...WILL PRODUCE CRITICAL OR NEAR CRITICAL FIRE DANGER ACROSS
WESTERN AND NORTH CENTRAL NEBRASKA.

FOR TODAY...MINIMUM RELATIVE HUMIDITY VALUES OF 15 PERCENT ALONG
WITH GUSTY NORTHWESTERLY WINDS WILL PRODUCE CRITICAL FIRE DANGER
IN THE EASTERN NEBRASKA PANHANDLE AND LOCATIONS ALONG AND WEST OF
HIGHWAY 61 FROM IMPERIAL TO MERRIMAN. ON TUESDAY...RECORD HIGHS
ARE EXPECTED ACROSS WESTERN AND NORTH CENTRAL NEBRASKA. THE
COMBINATION OF TEMPERATURES IN THE UPPER 70S...ALONG WITH
AFTERNOON RELATIVE HUMIDITY AROUND 15 PERCENT AND GUSTY WINDS...
WILL PRODUCE NEAR CRITICAL FIRE DANGER CONDITIONS TUESDAY
AFTERNOON.

NEZ204-210-131000-
/O.UPG.KLBF.FW.A.0007.120313T1700Z-120314T0100Z/
/O.NEW.KLBF.FW.W.0009.120313T1700Z-120314T0100Z/
/O.CON.KLBF.FW.W.0008.000000T0000Z-120313T0100Z/
EASTERN PANHANDLE/CRESCENT LAKE NWR-FRENCHMAN BASIN-
353 PM CDT MON MAR 12 2012 /253 PM MDT MON MAR 12 2012/

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM CDT /7 PM MDT/
THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR LOCATIONS
ALONG AND WEST OF HIGHWAY 61 FROM IMPERIAL TO MERRIMAN...
...RED FLAG WARNING IN EFFECT FROM NOON CDT /11 AM MDT/ TO 8 PM
CDT /7 PM MDT/ TUESDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR 
ALL OF WESTERN AND NORTH CENTRAL NEBRASKA...

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A RED
FLAG WARNING FOR WIND AND LOW RELATIVE HUMIDITY...WHICH IS IN
EFFECT FOR TUESDAY. THE FIRE WEATHER WATCH IS NO LONGER IN
EFFECT FOR TUESDAY. A RED FLAG WARNING REMAINS IN EFFECT THIS
EVENING.

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

* WINDS...THIS EVENING NORTHWEST 15 TO 25 MPH...TUESDAY WINDS
  BECOME SOUTH TO SOUTHWEST 15 TO 25 MPH.

* RELATIVE HUMIDITY...AROUND 15 PERCENT THIS EVENING...AS LOW AS
  10 PERCENT TUESDAY AFTERNOON.

* 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.

A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE
RED FLAG WARNINGS.

&&

$$

NEZ206-208-209-219-131000-
/O.UPG.KLBF.FW.A.0007.120313T1700Z-120314T0100Z/
/O.NEW.KLBF.FW.W.0009.120313T1700Z-120314T0100Z/
SANDHILLS/VALENTINE NWR/NEBRASKA NATIONAL FOREST/
SAMUEL R MCKELVIE NATIONAL FOREST-
NIOBRARA VALLEY/FORT NIOBRARA NWR-LOUP RIVERS BASIN-LOESS PLAINS-
353 PM CDT MON MAR 12 2012 /253 PM MDT MON MAR 12 2012/

...RED FLAG WARNING IN EFFECT FROM NOON CDT /11 AM MDT/ TO 8 PM
CDT /7 PM MDT/ TUESDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR 
ALL OF WESTERN AND NORTH CENTRAL NEBRASKA...

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A RED
FLAG WARNING FOR WIND AND LOW RELATIVE HUMIDITY...WHICH IS IN
EFFECT FOR TUESDAY. THE FIRE WEATHER WATCH IS NO LONGER IN
EFFECT.

* AFFECTED AREA...IN NEBRASKA...FIRE WEATHER ZONE 206 
  SANDHILLS/VALENTINE NWR/NEBRASKA NATIONAL FOREST/ SAMUEL R 
  MCKELVIE NATIONAL FOREST...FIRE WEATHER ZONE 208 NIOBRARA 
  VALLEY/FORT NIOBRARA NWR...FIRE WEATHER ZONE 209 LOUP RIVERS 
  BASIN AND FIRE WEATHER ZONE 219 LOESS PLAINS.

* WINDS...SOUTH 10 TO 20 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

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 12, 3:25 AM MDTFire Weather WatchLBFArthur, Blaine, Boyd, Brown, Chase, Cherry and 20 more11 hr
Mar 12, 2:53 PM MDTRed Flag WarningLBFArthur, Blaine, Boyd, Brown, Chase, Cherry and 20 more28 hr

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.