Alert archive / Oregon / Red Flag Warnings in 2007

Red Flag Warning 13, NWS Medford, OR

September 2, 2007Harney County, Lake County, Oregon; Modoc County, Siskiyou County, California

NWS Medford, OR issued this red flag warning at Sep 2, 2007, 1:58 PM PDT for Harney County, Lake County, Oregon; Modoc County, Siskiyou County, California. It took effect at Sep 3, 2007, 2:00 PM PDT. 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
Sep 2, 2007, 1:58 PM PDT (20:58 UTC)
In effect from
Sep 3, 2007, 2:00 PM PDT
Expired
Sep 3, 2007, 8:00 PM PDT
In force
6 hr
Issued by
NWS Medford, OR

Counties Modoc County, CA, Siskiyou County, CA, Harney County, OR, Lake County, OR

The radar

The Medford radar (KMAX), 171 km from the middle of the area, began a volume at 20:57 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

Medford/Jackson, OR (KMFR), launched 12:00Z, 9.0 hours before the alert went out and 177 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, Medford/Jackson, OR at 12:00Z on 2007-09-02Temperature 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, Medford/Jackson, OR at 12:00Z on 2007-09-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 34 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
1748 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
34 m²/s²
0-3 km storm-relative helicity
151 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
WWUS86 KMFR 022058
RFWMFR

RED FLAG WARNING
NATIONAL WEATHER SERVICE MEDFORD OR
158 PM PDT SUN SEP 2 2007

ORZ624-022200-
/O.CAN.KMFR.FW.A.0013.070903T2100Z-070904T0300Z/
KLAMATH BASIN AND THE FREMONT-WINEMA NATIONAL FOREST-
158 PM PDT SUN SEP 2 2007

...FIRE WEATHER WATCH IS CANCELLED...

THE FIRE WEATHER WATCH HAS BEEN UPGRADED TO A RED FLAG WARNING. THE
NATIONAL WEATHER SERVICE IN MEDFORD HAS CANCELLED THE FIRE WEATHER
WATCH.

$$

ORZ625-030900-
/O.UPG.KMFR.FW.A.0013.070903T2100Z-070904T0300Z/
/O.NEW.KMFR.FW.W.0013.070903T2100Z-070904T0300Z/
SOUTH CENTRAL OREGON DESERT INCLUDING THE BLM LAND IN EASTERN
LAKE AND WESTERN HARNEY COUNTIES-
158 PM PDT SUN SEP 2 2007

...RED FLAG WARNING IN EFFECT FROM 2 PM TO 8 PM PDT MONDAY FOR 
OREGON FIRE WEATHER ZONE 625 FOR WINDS AND LOW RH
...

THE NATIONAL WEATHER SERVICE IN MEDFORD HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 2 PM TO 8 PM PDT MONDAY. THE
FIRE WEATHER WATCH IS NO LONGER IN EFFECT. 

UPPER LEVEL WINDS WILL INCREASE AND MIX DOWN MONDAY AHEAD OF A
PACIFIC WEATHER SYSTEM. STRONG AND GUSTY SOUTHWEST WINDS 15 TO 25
MPH WITH GUSTS TO 30 MPH WILL COMBINE WITH HUMIDITIES OF 5 TO 15
PERCENT TO PRODUCE CRITICAL FIRE WEATHER CONDITIONS. WINDS WILL
DECREASE BELOW WARNING THRESHOLD LATER IN THE 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.

PLEASE RELAY THIS WARNING TO FIRE PERSONNEL IN THE FIELD.

$$

CAZ284-285-030900-
/O.UPG.KMFR.FW.A.0013.070903T2100Z-070904T0300Z/
/O.NEW.KMFR.FW.W.0013.070903T2100Z-070904T0300Z/
SISKIYOU COUNTY FROM THE CASCADE MOUNTAINS EAST AND SOUTH TO MT
SHASTA-MODOC COUNTY EXCEPT FOR THE SURPRISE VALLEY-
158 PM PDT SUN SEP 2 2007

...RED FLAG WARNING IN EFFECT FROM 2 PM TO 8 PM PDT MONDAY 
FOR CALIFORNIA ZONES 284...285 FOR WINDS AND LOW RH...

THE NATIONAL WEATHER SERVICE IN MEDFORD HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 2 PM TO 8 PM PDT MONDAY. THE
FIRE WEATHER WATCH IS NO LONGER IN EFFECT. 

UPPER LEVEL WINDS WILL INCREASE AND MIX DOWN MONDAY AHEAD OF A
PACIFIC WEATHER SYSTEM. STRONG AND GUSTY SOUTHWEST WINDS 15 TO 25
MPH WITH GUSTS TO 35 MPH WILL COMBINE WITH HUMIDITIES OF 5-15% TO
PRODUCE CRITICAL FIRE WEATHER CONDITIONS. WINDS WILL DECREASE
BELOW WARNING THRESHOLD LATER IN THE 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.

PLEASE RELAY WARNING TO FIRE PERSONNEL IN THE FIELD.

$$

BURTIS
4 follow-up statements
000
WWUS86 KMFR 030836
RFWMFR

RED FLAG WARNING
NATIONAL WEATHER SERVICE MEDFORD OR
136 AM PDT MON SEP 3 2007

ORZ625-032045-
/O.CON.KMFR.FW.W.0013.070903T2100Z-070904T0300Z/
SOUTH CENTRAL OREGON DESERT INCLUDING THE BLM LAND IN EASTERN
LAKE AND WESTERN HARNEY COUNTIES-
136 AM PDT MON SEP 3 2007

...RED FLAG WARNING REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO
8 PM PDT THIS EVENING FOR STRONG GUSTY WINDS AND LOW HUMIDITIES...

A RED FLAG WARNING REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO
8 PM PDT THIS EVENING. 

UPPER LEVEL WINDS WILL INCREASE AND MIX DOWN MONDAY AHEAD OF A
PACIFIC WEATHER SYSTEM. STRONG AND GUSTY SOUTHWEST WINDS 15 TO
25 MPH WITH GUSTS TO 30 MPH WILL COMBINE WITH HUMIDITIES OF 5 TO
15 PERCENT TO PRODUCE CRITICAL FIRE WEATHER CONDITIONS. WINDS
WILL DECREASE BELOW WARNING THRESHOLD LATER IN THE EVENING.

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF
STRONG WINDS AND LOW RELATIVE HUMIDITY WILL CREATE EXPLOSIVE FIRE
GROWTH POTENTIAL.

PLEASE RELAY THIS WARNING TO FIRE PERSONNEL IN THE FIELD.

$$

CAZ284-285-032045-
/O.CON.KMFR.FW.W.0013.070903T2100Z-070904T0300Z/
SISKIYOU COUNTY FROM THE CASCADE MOUNTAINS EAST AND SOUTH TO MT
SHASTA-MODOC COUNTY EXCEPT FOR THE SURPRISE VALLEY-
136 AM PDT MON SEP 3 2007

...RED FLAG WARNING REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO
8 PM PDT THIS EVENING FOR STRONG GUSTY WINDS AND LOW HUMIDITIES...

A RED FLAG WARNING REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO
8 PM PDT THIS EVENING. 

UPPER LEVEL WINDS WILL INCREASE AND MIX DOWN MONDAY AHEAD OF A
PACIFIC WEATHER SYSTEM. STRONG AND GUSTY SOUTHWEST WINDS 15 TO
25 MPH WITH GUSTS TO 35 MPH WILL COMBINE WITH HUMIDITIES OF 5 TO
15 PERCENT TO PRODUCE CRITICAL FIRE WEATHER CONDITIONS. WINDS
WILL DECREASE BELOW WARNING THRESHOLD LATER IN THE EVENING.

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF
STRONG WINDS AND LOW RELATIVE HUMIDITY WILL CREATE EXPLOSIVE FIRE
GROWTH POTENTIAL.

PLEASE RELAY WARNING TO FIRE PERSONNEL IN THE FIELD.

$$
RH
000
WWUS86 KMFR 032042
RFWMFR

RED FLAG WARNING
NATIONAL WEATHER SERVICE MEDFORD OR
142 PM PDT MON SEP 3 2007

ORZ625-040300-
/O.CON.KMFR.FW.W.0013.070903T2100Z-070904T0300Z/
SOUTH CENTRAL OREGON DESERT INCLUDING THE BLM LAND IN EASTERN
LAKE AND WESTERN HARNEY COUNTIES-
142 PM PDT MON SEP 3 2007

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THIS
EVENING FOR STRUNG GUSTY WINDS AND LOW HUMDITIES...

A RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING.

UPPER LEVEL WINDS WILL INCREASE AND MIX DOWN MONDAY AHEAD OF A
PACIFIC WEATHER SYSTEM. STRONG AND GUSTY SOUTHWEST WINDS 15 TO
25 MPH WITH GUSTS TO 30 MPH WILL COMBINE WITH HUMIDITIES OF 5 TO
15 PERCENT TO PRODUCE CRITICAL FIRE WEATHER CONDITIONS. WINDS
WILL DECREASE BELOW WARNING THRESHOLD LATER IN THE EVENING.

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF
STRONG WINDS AND LOW RELATIVE HUMIDITY WILL CREATE EXPLOSIVE FIRE
GROWTH POTENTIAL.

PLEASE RELAY THIS WARNING TO FIRE PERSONNEL IN THE FIELD.

$$

CAZ284-285-040300-
/O.CON.KMFR.FW.W.0013.070903T2100Z-070904T0300Z/
SISKIYOU COUNTY FROM THE CASCADE MOUNTAINS EAST AND SOUTH TO MT
SHASTA-MODOC COUNTY EXCEPT FOR THE SURPRISE VALLEY-
142 PM PDT MON SEP 3 2007

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THIS
EVENING FOR STRONG GUSTY WINDS AND LOW HUMIDITIES...

A RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING.

UPPER LEVEL WINDS WILL INCREASE AND MIX DOWN MONDAY AHEAD OF A
PACIFIC WEATHER SYSTEM. STRONG AND GUSTY SOUTHWEST WINDS 15 TO
25 MPH WITH GUSTS TO 35 MPH WILL COMBINE WITH HUMIDITIES OF 5 TO
15 PERCENT TO PRODUCE CRITICAL FIRE WEATHER CONDITIONS. WINDS
WILL DECREASE BELOW WARNING THRESHOLD LATER IN THE EVENING.

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF
STRONG WINDS AND LOW RELATIVE HUMIDITY WILL CREATE EXPLOSIVE FIRE
GROWTH POTENTIAL.

PLEASE RELAY WARNING TO FIRE PERSONNEL IN THE FIELD.

$$

BURTIS
000
WWUS86 KMFR 032118 CCA
RFWMFR

RED FLAG WARNING
NATIONAL WEATHER SERVICE MEDFORD OR
142 PM PDT MON SEP 3 2007

ORZ625-040300-
/O.CON.KMFR.FW.W.0013.070903T2100Z-070904T0300Z/
SOUTH CENTRAL OREGON DESERT INCLUDING THE BLM LAND IN EASTERN
LAKE AND WESTERN HARNEY COUNTIES-
142 PM PDT MON SEP 3 2007

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THIS
EVENING FOR OREGON FIRE WEATHER ZONE 625 FOR WINDS AND LOW 
HUMIDITIES...

A RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING.

UPPER LEVEL WINDS WILL INCREASE AND MIX DOWN MONDAY AHEAD OF A
PACIFIC WEATHER SYSTEM. STRONG AND GUSTY SOUTHWEST WINDS 15 TO
25 MPH WITH GUSTS TO 30 MPH WILL COMBINE WITH HUMIDITIES OF 5 TO
15 PERCENT TO PRODUCE CRITICAL FIRE WEATHER CONDITIONS. WINDS
WILL DECREASE BELOW WARNING THRESHOLD LATER IN THE EVENING.

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF
STRONG WINDS AND LOW RELATIVE HUMIDITY WILL CREATE EXPLOSIVE FIRE
GROWTH POTENTIAL.

PLEASE RELAY THIS WARNING TO FIRE PERSONNEL IN THE FIELD.

$$

CAZ284-285-040300-
/O.CON.KMFR.FW.W.0013.070903T2100Z-070904T0300Z/
SISKIYOU COUNTY FROM THE CASCADE MOUNTAINS EAST AND SOUTH TO MT
SHASTA-MODOC COUNTY EXCEPT FOR THE SURPRISE VALLEY-
142 PM PDT MON SEP 3 2007

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THIS
EVENING FOR CALIFORNIA FIRE WEATHER ZONES 284 AND 285 FOR WINDS AND 
LOW HUMIDITIES...

A RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING.

UPPER LEVEL WINDS WILL INCREASE AND MIX DOWN MONDAY AHEAD OF A
PACIFIC WEATHER SYSTEM. STRONG AND GUSTY SOUTHWEST WINDS 15 TO
25 MPH WITH GUSTS TO 35 MPH WILL COMBINE WITH HUMIDITIES OF 5 TO
15 PERCENT TO PRODUCE CRITICAL FIRE WEATHER CONDITIONS. WINDS
WILL DECREASE BELOW WARNING THRESHOLD LATER IN THE EVENING.

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF
STRONG WINDS AND LOW RELATIVE HUMIDITY WILL CREATE EXPLOSIVE FIRE
GROWTH POTENTIAL.

PLEASE RELAY WARNING TO FIRE PERSONNEL IN THE FIELD.

$$

BURTIS
000
WWUS86 KMFR 040315
RFWMFR

RED FLAG WARNING
NATIONAL WEATHER SERVICE MEDFORD OR
815 PM PDT MON SEP 3 2007


CAZ284-285-ORZ625-040415-
/O.EXP.KMFR.FW.W.0013.000000T0000Z-070904T0300Z/
SISKIYOU COUNTY FROM THE CASCADE MOUNTAINS EAST AND SOUTH TO MT
SHASTA-MODOC COUNTY EXCEPT FOR THE SURPRISE VALLEY-
SOUTH CENTRAL OREGON DESERT INCLUDING THE BLM LAND IN EASTERN
LAKE AND WESTERN HARNEY COUNTIES-
815 PM PDT MON SEP 3 2007

...RED FLAG WARNING HAS EXPIRED...

THE RED FLAG WARNING IS NO LONGER IN EFFECT. 


$$
DW

The office that day

Everything else NWS Medford, OR issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 2, 3:45 AM PDTFire Weather WatchMFRHarney, Klamath, Lake10 hr

Nearby

Red Flag Warnings in Oregon, 2007Red Flag Warnings in California, 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.