Alert archive / Nebraska / Red Flag Warnings in 2012

Red Flag Warning 51, NWS North Platte, NE

October 19, 20127 counties in Nebraska

NWS North Platte, NE issued this red flag warning at Oct 19, 2012, 2:26 PM MDT for 7 counties in Nebraska. It took effect at Oct 20, 2012, 11:00 AM 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
Oct 19, 2012, 2:26 PM MDT (20:26 UTC)
In effect from
Oct 20, 2012, 11:00 AM MDT
Expired
Oct 20, 2012, 6:00 PM MDT
In force
7 hr
Issued by
NWS North Platte, NE

Counties Arthur County, NE, Cherry County, NE, Deuel County, NE, Garden County, NE, Grant County, NE, Keith County, NE, Sheridan County, NE

The radar

The North Platte radar (KLNX), 111 km from the middle of the area, began a volume at 20:29 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 12:00Z, 8.4 hours before the alert went out and 130 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 12:00Z on 2012-10-19Temperature 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 12:00Z on 2012-10-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 100 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
2361 m above ground
0-6 km bulk shear
66 kt
0-1 km storm-relative helicity
100 m²/s²
0-3 km storm-relative helicity
149 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.

603 
WWUS83 KLBF 192026
RFWLBF

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE NORTH PLATTE NE
326 PM CDT FRI OCT 19 2012

...CRITICAL FIRE WEATHER PATTER EXPECTED THROUGH SATURDAY EVENING...

.GUSTY SOUTHWEST TO WESTERLY DOWN SLOPING WIND WILL COMBINE WITH
DRY CONDITIONS AND ABNORMALLY WARM TEMPERATURES TO CREATE
CONDITIONS FAVORABLE FOR LARGE FIRE GROWTH. ALL RANGE FIRES WILL
BE DIFFICULT TO CONTROL UNDER THESE WEATHER CONDITIONS.

NEZ204-200430-
/O.NEW.KLBF.FW.W.0051.121020T1700Z-121021T0000Z/
EASTERN PANHANDLE/CRESCENT LAKE NWR-
226 PM MDT FRI OCT 19 2012

...RED FLAG WARNING IN EFFECT FROM 11 AM TO 6 PM MDT SATURDAY FOR
WIND AND LOW RELATIVE HUMIDITY FOR FIRE ZONE 204...EASTERN 
PANHANDLE INCLUDING CRESCENT LAKE NATIONAL WILDLIFE REFUGE...

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 TO 6 PM MDT SATURDAY.

* AFFECTED AREA...IN NEBRASKA...FIRE WEATHER ZONE 204 EASTERN 
  PANHANDLE/CRESCENT LAKE NR.

* WINDS...SOUTHWEST 10 TO 15 MPH WITH GUSTS UP TO 25 MPH.

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

* IMPACTS...ANY AND ALL FIRES WILL BE DIFFICULT TO CONTROL.

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.

&&

$$

JACOBS

HTTP://WEATHER.GOV/LBF
2 follow-up statements
779 
WWUS83 KLBF 200442
RFWLBF

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE NORTH PLATTE NE
1142 PM CDT FRI OCT 19 2012

...CRITICAL FIRE WEATHER PATTER EXPECTED THROUGH SATURDAY
EVENING...

.GUSTY SOUTHWEST TO WESTERLY DOWN SLOPING WIND WILL COMBINE WITH
DRY CONDITIONS AND ABNORMALLY WARM TEMPERATURES TO CREATE
CONDITIONS FAVORABLE FOR LARGE FIRE GROWTH. ALL RANGE FIRES WILL
BE DIFFICULT TO CONTROL UNDER THESE WEATHER CONDITIONS.

NEZ204-201245-
/O.CON.KLBF.FW.W.0051.121020T1700Z-121021T0000Z/
EASTERN PANHANDLE/CRESCENT LAKE NWR-
1042 PM MDT FRI OCT 19 2012

...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM TO 6 PM MDT
SATURDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE ZONE 204...
EASTERN PANHANDLE INCLUDING CRESCENT LAKE NATIONAL WILDLIFE
REFUGE...

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

* WINDS...SOUTHWEST 10 TO 15 MPH WITH GUSTS UP TO 20 MPH.

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

* IMPACTS...ANY AND ALL FIRES WILL BE DIFFICULT TO CONTROL.

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
725 
WWUS83 KLBF 200811 AAA
RFWLBF

URGENT - FIRE WEATHER MESSAGE...UPDATED
NATIONAL WEATHER SERVICE NORTH PLATTE NE
311 AM CDT SAT OCT 20 2012

...CRITICAL FIRE WEATHER THIS AFTERNOON...

.LOW PRESSURE WILL DEEPEN ACROSS SOUTHWEST SOUTH DAKOTA. THIS WILL
DRAW WARM DRY AIR EAST THROUGH THE NEBRASKA PANHANDLE. THE LOW
PRESSURE SYSTEM IS EXPECTED TO DEEPEN SUFFICIENTLY FOR GUSTY WINDS
TO REACH 30 MPH.

NEZ204-210000-
/O.CON.KLBF.FW.W.0051.121020T1700Z-121021T0000Z/
EASTERN PANHANDLE/CRESCENT LAKE NWR-
211 AM MDT SAT OCT 20 2012

...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO
6 PM MDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE
ZONE 204...EASTERN PANHANDLE INCLUDING CRESCENT LAKE NATIONAL
WILDLIFE REFUGE...

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

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

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

* IMPACTS...ANY AND ALL FIRES WILL BE DIFFICULT TO CONTROL.

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
Oct 18, 6:26 PM MDTWind AdvisoryLBFArthur, Blaine, Boyd, Brown, Chase, Cherry and 20 more9 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.