Alert archive / Nebraska / Red Flag Warnings in 2007

Red Flag Warning 9, NWS North Platte, NE

November 8, 200711 counties in Nebraska

NWS North Platte, NE issued this red flag warning at Nov 8, 2007, 2:56 AM MST for 11 counties in Nebraska. It took effect at Nov 8, 2007, 11:00 AM MST. It was in force for 6 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
Nov 8, 2007, 2:56 AM MST (09:56 UTC)
In effect from
Nov 8, 2007, 11:00 AM MST
Expired
Nov 8, 2007, 5:00 PM MST
In force
6 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 10:02 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, 9.9 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 2007-11-08Temperature 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 2007-11-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 14 square meters per square second.19395878Sfc1 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
3259 m above ground
0-6 km bulk shear
56 kt
0-1 km storm-relative helicity
14 m²/s²
0-3 km storm-relative helicity
152 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 080956
RFWLBF

RED FLAG WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
356 AM CST THU NOV 8 2007

...CRITICAL FIRE DANGER CONDITIONS THIS AFTERNOON IN
SOUTHWESTERN...AND PORTIONS OF WESTERN NEBRASKA...

.DRY CONDITIONS COUPLED WITH WARM TEMPERATURES AND BREEZY
WINDS....WILL PRODUCE CRITICAL FIRE DANGER CONDITIONS ACROSS
PORTIONS OF WESTERN AND NORTH CENTRAL NEBRASKA THIS AFTERNOON.
A COMBINATION OF LOW RELATIVE HUMIDITIES...HIGH HAINES
INDEXES...AND WESTERLY WINDS OF 10 TO 20 MPH...WITH GUSTS TO 25
MPH...WILL PERMIT RAPID FIRE GROWTH THIS AFTERNOON.

NEZ204-210-090000-
/O.NEW.KLBF.FW.W.0009.071108T1800Z-071109T0000Z/
EASTERN PANHANDLE/CRESCENT LAKE NWR-FRENCHMAN BASIN-
356 AM CST THU NOV 8 2007 /256 AM MST THU NOV 8 2007/

...RED FLAG WARNING IN EFFECT FROM NOON CST /11 AM MST/ TODAY TO
6 PM CST /5 PM MST/ THIS AFTERNOON...

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A RED
FLAG WARNING...WHICH IS IN EFFECT FROM NOON CST /11 AM MST/ TODAY
TO 6 PM CST /5 PM MST/ THIS AFTERNOON. 

MINIMUM RELATIVE HUMIDITIES WILL DROP BELOW 15 PERCENT THIS
AFTERNOON. LOW RELATIVE HUMIDITIES IN COMBINATION WITH...HIGH
HAINES INDEXES AND WESTERLY WINDS GUSTING TO 25 MPH...WILL ALLOW
FOR EXPLOSIVE FIRE GROWTH THIS AFTERNOON. THE MAIN AREA OF CONCERN
IS WEST OF A LINE FROM MERRIMAN...TO OGALLALA...TO HAYES CENTER.
RELATIVE HUMIDITIES WILL RECOVER QUICKLY AFTER SUNSET...AS
TEMPERATURES DECREASE RAPIDLY THIS EVENING. 

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.

$$

BUTTLER
1 follow-up statement
000 
WWUS83 KLBF 081806
RFWLBF

RED FLAG WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
1206 PM CST THU NOV 8 2007

...CRITICAL FIRE DANGER CONDITIONS CONTINUE THIS AFTERNOON IN
SOUTHWESTERN...AND PORTIONS OF WESTERN NEBRASKA ...

.DRY CONDITIONS COUPLED WITH WARM TEMPERATURES AND GUSTY WINDS...
WILL PRODUCE CRITICAL FIRE DANGER CONDITIONS ACROSS PORTIONS OF
WESTERN AND NORTH CENTRAL NEBRASKA THIS AFTERNOON. A COMBINATION
OF LOW RELATIVE HUMIDITIES...HIGH HAINES INDEXES...AND WESTERLY
WINDS OF 10 TO 20 MPH...WITH GUSTS TO 25 MPH...WILL PERMIT RAPID
FIRE GROWTH THIS AFTERNOON.

NEZ204-210-090000-
/O.CON.KLBF.FW.W.0009.000000T0000Z-071109T0000Z/
EASTERN PANHANDLE/CRESCENT LAKE NWR-FRENCHMAN BASIN-
1206 PM CST THU NOV 8 2007 /1106 AM MST THU NOV 8 2007/

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM CST /5 PM MST/
THIS AFTERNOON...

A RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM CST /5 PM MST/
THIS AFTERNOON. 

MINIMUM RELATIVE HUMIDITIES WILL DROP BELOW 15 PERCENT THIS
AFTERNOON. LOW RELATIVE HUMIDITIES IN COMBINATION WITH...HIGH
HAINES INDEXES AND WESTERLY WINDS GUSTING TO 25 MPH...WILL ALLOW
FOR EXPLOSIVE FIRE GROWTH THIS AFTERNOON. THE MAIN AREA OF
CONCERN IS WEST OF A LINE FROM MERRIMAN...TO OGALLALA...TO HAYES
CENTER. RELATIVE HUMIDITIES WILL RECOVER QUICKLY AFTER SUNSET...
AS TEMPERATURES DECREASE RAPIDLY THIS EVENING.

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.

$$

CLB/JWS

Nearby

Red Flag Warnings in Nebraska, 2007Every red flag warning in 2007

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.