Alert archive / Nebraska / Red Flag Warnings in 2007

Red Flag Warning 1, NWS North Platte, NE

August 10, 20077 counties in Nebraska

NWS North Platte, NE issued this red flag warning at Aug 10, 2007, 3:00 AM MDT for 7 counties in Nebraska. It took effect at Aug 10, 2007, 10:00 AM MDT. It was in force for 11 hr. 2 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Aug 10, 2007, 3:00 AM MDT (09:00 UTC)
In effect from
Aug 10, 2007, 10:00 AM MDT
Expired
Aug 10, 2007, 9:00 PM MDT
In force
11 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 09:01 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.

What was reported inside it

TimeReportWhereRemark
Aug 10, 5:52 PM MDTHAIL 0.881 Se Lisco, NE
Aug 10, 7:04 PM MDTHAIL 121 Nne Lewellen, NETSTM WINDS IN EXCESS OF 60MPH

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 9.0 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 00:00Z on 2007-08-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1336 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 2007-08-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 66 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
1336 J/kg
Mixed-layer CIN
-26 J/kg
Mixed-layer LCL
2635 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
66 m²/s²
0-3 km storm-relative helicity
162 m²/s²
Significant tornado parameter
0.0
Supercell composite
6.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WWUS83 KLBF 100900
RFWLBF

RED FLAG WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
400 AM CDT FRI AUG 10 2007

...RED FLAG WARNING FOR WESTERN NEBRASKA ZONE 204 TODAY...

.TEMPERATURES AROUND 100 DEGREES AND DRY AIR ADVANCING ACROSS THE
PANHANDLE AND WESTERN NEBRASKA ON FRIDAY COMBINED WITH
THUNDERSTORMS WILL CREATE DANGEROUS FIRE WEATHER CONDITIONS.

NEZ204-101700-
/O.UPG.KLBF.FW.A.0001.070810T1600Z-070811T0300Z/
/O.NEW.KLBF.FW.W.0001.070810T1600Z-070811T0300Z/
EASTERN PANHANDLE/CRESCENT LAKE NWR-
300 AM MDT FRI AUG 10 2007

...RED FLAG WARNING IN EFFECT FROM 10 AM THIS MORNING TO 9 PM MDT
THIS EVENING...

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A RED
FLAG WARNING...WHICH IS IN EFFECT FROM 10 AM THIS MORNING TO 9 PM
MDT THIS EVENING.  

DRY CONDITIONS OVER WESTERN NEBRASKA COMBINED WITH THUNDERSTORMS
AND STRONG GUSTY WINDS WILL CREATE HAZARDOUS FIRE WEATHER CONDITIONS
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.

$$
POWER
1 follow-up statement
000 
WWUS83 KLBF 102009
RFWLBF

RED FLAG WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
309 PM CDT FRI AUG 10 2007

...RED FLAG WARNING FOR WESTERN NEBRASKA ZONE 204 THROUGH THIS
EVENING...

.TEMPERATURES AROUND 100 DEGREES AND DRY AIR ADVANCING ACROSS THE
PANHANDLE INTO THE WESTERN SANDHILLS WILL LEAD TO EXTREME FIRE
DANGER CONDITIONS THROUGH FRIDAY EVENING. THUNDERSTORMS...SOME
WITH LITTLE TO NO RAINFALL WILL ALSO LEAD TO THE POSSIBILITY OF
ADDITIONAL FIRE STARTS ACROSS THE AREA. 

NEZ204-110300-
/O.CON.KLBF.FW.W.0001.000000T0000Z-070811T0300Z/
EASTERN PANHANDLE/CRESCENT LAKE NWR-
209 PM MDT FRI AUG 10 2007

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS
EVENING ACROSS NORTHERN PORTIONS OF ZONE 204 FOR THE POSSIBILITY 
DRY THUNDERSTORMS...

A RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING.

HOT...DRY CONDITIONS OVER WESTERN NEBRASKA COMBINED WITH THUNDERSTORMS
CONTAINING LITTLE PRECIPITATION AND STRONG GUSTY WINDS WILL CREATE
HAZARDOUS FIRE WEATHER CONDITIONS TODAY. TEMPERATURES WILL NEAR THE
100 DEGREE MARK PRIOR TO SUNSET WITH LITTLE COOLING EXPECTED
THROUGH THE LATE EVENING HOURS. RELATIVE HUMIDITY LEVELS WILL ALSO
BE NEAR THE 20 PERCENT ACROSS THE PINE RIDGE REGION. THUNDERSTORMS
THAT DO FORM ACROSS THE PANHANDLE INTO THE WESTERN SANDHILLS ARE
NOT EXPECTED TO CONTAIN MUCH RAINFALL. NUMEROUS FIRE STARTS HAVE
BEEN REPORTED FROM LIGHTNING AND THIS IS EXPECTED TO CONTINUE INTO
THE EVENING HOURS. 

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.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 9, 6:19 PM MDTSevere Thunderstorm WarningLBFBrown41 min
Aug 9, 6:26 PM MDTSevere Thunderstorm WarningLBFHolt, Rock34 min
Aug 9, 6:43 PM MDTTornado WarningLBFHolt32 min
Aug 9, 6:56 PM MDTSevere Thunderstorm WarningLBFHolt, Rock64 min
Aug 9, 7:06 PM MDTSevere Thunderstorm WarningLBFCherry54 min
Aug 9, 7:12 PM MDTTornado WarningLBFHolt33 min
Aug 9, 7:35 PM MDTSevere Thunderstorm WarningLBFGarfield25 min
Aug 9, 7:35 PM MDTSevere Thunderstorm WarningLBFWheeler40 min
Aug 9, 7:40 PM MDTTornado WarningLBFHolt35 min
Aug 9, 8:07 PM MDTSevere Thunderstorm WarningLBFWheeler38 min
Aug 9, 9:18 PM MDTSevere Thunderstorm WarningLBFGarfield, Holt27 min
Aug 10, 12:10 AM MDTSevere Thunderstorm WarningLBFHolt50 min
Aug 10, 12:20 AM MDTTornado WarningLBFHolt41 min
Aug 10, 1:40 AM MDTSevere Thunderstorm WarningLBFBoyd, Holt35 min
Aug 10, 11:13 AM MDTSevere Thunderstorm WarningLBFBoyd, Holt25 min
Aug 10, 4:54 PM MDTSevere Thunderstorm WarningLBFGarden51 min
Aug 10, 5:45 PM MDTSevere Thunderstorm WarningLBFGarden45 min

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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.