Alert archive / Nebraska / Red Flag Warnings in 2008

Red Flag Warning 3, NWS North Platte, NE

April 5, 200819 counties in Nebraska

NWS North Platte, NE issued this red flag warning at Apr 5, 2008, 3:47 AM MDT for 19 counties in Nebraska. It took effect at Apr 5, 2008, 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 5, 2008, 3:47 AM MDT (09:47 UTC)
In effect from
Apr 5, 2008, 12:00 PM MDT
Expired
Apr 5, 2008, 7:00 PM MDT
In force
7 hr
Issued by
NWS North Platte, NE

Counties Arthur County, NE, Blaine County, NE, Brown County, NE, Chase County, NE, Cherry County, NE, Deuel County, NE, Frontier County, NE, Garden County, NE, Grant County, NE, Hayes County, NE, Hooker County, NE, Keith 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), 64 km from the middle of the area, began a volume at 09:48 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, 9.8 hours before the alert went out and 65 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 2008-04-05Temperature 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 2008-04-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 12 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
3265 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
12 m²/s²
0-3 km storm-relative helicity
56 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.

000 
WWUS83 KLBF 050947
RFWLBF

RED FLAG WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
447 AM CDT SAT APR 5 2008

...CRITICAL FIRE DANGER THIS AFTERNOON AND EARLY EVENING ACROSS SOUTHWEST
AND WESTERN NEBRASKA FOR AREAS GENERALLY WEST OF HIGHWAY 83...

.AS TEMPERATURES WARM TO NEAR 70...RELATIVE HUMIDITIES WILL DROP
TO OR BELOW 15 PERCENT. IN ADDITION...SOUTH TO SOUTHWEST WINDS WILL
INCREASE TO 10 TO 20 MPH WITH GUSTS TO AROUND 25 MPH. AN ADDITIONAL
THREAT FOR ISOLATED DRY LIGHTNING WILL BE A CONCERN FOR FIRE
STARTS DURING THE LATE AFTERNOON AND EVENING HOURS. CURED GRASSES
THAT HAVE YET TO GREEN MEAN EXPLOSIVE FIRE GROWTH POTENTIAL WILL
EXIST DURING THE AFTERNOON HOURS AND EARLY EVENING HOURS TODAY.

NEZ210-052200-
/O.UPG.KLBF.FW.A.0001.080405T1800Z-080406T0000Z/
/O.NEW.KLBF.FW.W.0003.080405T1800Z-080406T0100Z/
FRENCHMAN BASIN-
447 AM CDT SAT APR 5 2008

...RED FLAG WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO 8 PM
CDT THIS EVENING...

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A RED
FLAG WARNING...WHICH IS IN EFFECT FROM 1 PM THIS AFTERNOON TO
8 PM CDT THIS EVENING. 

AS TEMPERATURES WARM TO NEAR 70...RELATIVE HUMIDITIES WILL DROP
BELOW 15 PERCENT. IN ADDITION...SOUTHWEST WINDS WILL INCREASE TO
10 TO 20 MPH WITH GUSTS TO AROUND 25 MPH. AN ADDITIONAL THREAT FOR
ISOLATED DRY LIGHTNING WILL BE A CONCERN FOR FIRE STARTS DURING
THE LATE AFTERNOON AND EVENING HOURS. CURED GRASSES THAT HAVE YET
TO GREEN MEAN EXPLOSIVE FIRE GROWTH POTENTIAL WILL EXIST DURING
THE AFTERNOON HOURS AND EARLY EVENING HOURS TODAY.

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.

$$

NEZ204-206-219-052200-
/O.NEW.KLBF.FW.W.0003.080405T1800Z-080406T0100Z/
EASTERN PANHANDLE/CRESCENT LAKE NWR-
SANDHILLS/VALENTINE NWR/NEBRASKA NATIONAL FOREST/
SAMUEL R MCKELVIE NATIONAL FOREST-LOESS PLAINS-
447 AM CDT SAT APR 5 2008 /347 AM MDT SAT APR 5 2008/

...RED FLAG WARNING IN EFFECT FROM 1 PM CDT /NOON MDT/ THIS
AFTERNOON TO 8 PM CDT /7 PM MDT/ THIS EVENING...

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A RED
FLAG WARNING...WHICH IS IN EFFECT FROM 1 PM CDT /NOON MDT/ THIS
AFTERNOON TO 8 PM CDT /7 PM MDT/ THIS EVENING. 

AS TEMPERATURES WARM TO NEAR 70...RELATIVE HUMIDITIES WILL
APPROACH OR DROP BELOW 15 PERCENT. IN ADDITION...SOUTH TO
SOUTHWEST WINDS WILL INCREASE TO 15 TO 25 MPH. AN ADDITIONAL
THREAT FOR ISOLATED DRY LIGHTNING WILL BE A CONCERN FOR FIRE
STARTS DURING THE LATE AFTERNOON AND EVENING HOURS. CURED GRASSES
THAT HAVE YET TO GREEN MEAN EXPLOSIVE FIRE GROWTH POTENTIAL WILL
EXIST DURING THE AFTERNOON HOURS AND EARLY EVENING HOURS TODAY.

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.

$$

KAR
1 follow-up statement
000 
WWUS83 KLBF 052108
RFWLBF

RED FLAG WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
408 PM CDT SAT APR 5 2008

...CRITICAL FIRE DANGER CONTINUES THIS EVENING ACROSS SOUTHWEST
AND WESTERN NEBRASKA FOR AREAS GENERALLY WEST OF HIGHWAY 83 FOR
LOW RELATIVE HUMIDITIES...BREEZY WINDS...AND A SLIGHT CHANCE FOR
DRY LIGHTNING...

.RELATIVE HUMIDITIES NEAR OF BELOW 15 PERCENT ALONG BREEZY
SOUTHWEST TO WEST WINDS CONTINUE EARLY THIS EVENING. MEANWHILE A
SURFACE TROF MOVING ACROSS WESTERN NEBRASKA ALONG WITH LIMITED
SURFACE MOISTURE WILL PROVIDE A SMALL POTENTIAL FOR THUNDERSTORMS
TO DEVELOP THAT COULD PRODUCE DRY LIGHTNING.

NEZ204-206-210-219-060100-
/O.CON.KLBF.FW.W.0003.000000T0000Z-080406T0100Z/
EASTERN PANHANDLE/CRESCENT LAKE NWR-
SANDHILLS/VALENTINE NWR/NEBRASKA NATIONAL FOREST/
SAMUEL R MCKELVIE NATIONAL FOREST-FRENCHMAN BASIN-LOESS PLAINS-
408 PM CDT SAT APR 5 2008 /308 PM MDT SAT APR 5 2008/

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM CDT /7 PM MDT/
THIS EVENING...

A RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM CDT /7 PM MDT/
THIS EVENING. 

TEMPERATURES HAVE WARMED TO NEAR 70 DEGREES WITH RELATIVE
HUMIDITIES NEAR OR BELOW 15 PERCENT. IN ADDITION...SOUTHWEST TO
WEST WINDS CONTINUE AT 10 TO 20 MPH WITH OCCASIONAL GUSTS TO
AROUND 25 MPH. AN ADDITIONAL THREAT FOR ISOLATED DRY LIGHTNING
WILL BE A CONCERN FOR FIRE STARTS DURING THE EVENING HOURS. CURED
GRASSES THAT HAVE YET TO GREEN MEAN EXPLOSIVE FIRE GROWTH
POTENTIAL WILL EXIST DURING THE EARLY EVENING HOURS TODAY.

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.

$$

MASEK

Nearby

Red Flag Warnings in Nebraska, 2008Every red flag warning in 2008

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.