Alert archive / California / Red Flag Warnings in 2007
Red Flag Warning 2, NWS Medford, OR
NWS Medford, OR issued this red flag warning at Jun 28, 2007, 2:45 AM PDT for Modoc County, California. It took effect at Jun 28, 2007, 2:00 PM PDT. It was in force for 5 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
- Jun 28, 2007, 2:45 AM PDT (09:45 UTC)
- In effect from
- Jun 28, 2007, 2:00 PM PDT
- Expired
- Jun 28, 2007, 7:02 PM PDT
- In force
- 5 hr
- Issued by
- NWS Medford, OR
County Modoc County, CA
The radar
The Medford radar (KMAX), 174 km from the middle of the area, began a volume at 09:45 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 00:00Z, 9.8 hours before the alert went out and 192 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 3262 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- -31 m²/s²
- 0-3 km storm-relative helicity
- 203 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WWUS86 KMFR 280945 RFWMFR RED FLAG WARNING NATIONAL WEATHER SERVICE MEDFORD OR 245 AM PDT THU JUN 28 2007 ...INCREASING SOUTHWEST WINDS AND LOW HUMIDITIES THURSDAY AFTERNOON OVER THE MODOC NATIONAL FOREST... CAZ285-281745- /O.UPG.KMFR.FW.A.0002.070628T2100Z-070629T0400Z/ /O.NEW.KMFR.FW.W.0002.070628T2100Z-070629T0400Z/ MODOC COUNTY EXCEPT FOR THE SURPRISE VALLEY- 245 AM PDT THU JUN 28 2007 ...RED FLAG WARNING IN EFFECT FROM 2 PM THIS AFTERNOON TO 9 PM PDT THIS EVENING... THE NATIONAL WEATHER SERVICE IN MEDFORD HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 2 PM THIS AFTERNOON TO 9 PM PDT THIS EVENING. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. AN UNSEASONABLY STRONG LOW PRESSURE SYSTEM LOCATED OFF THE PACIFIC NORTHWEST COAST WILL SHIFT CLOSER TO THE COAST THURSDAY. UPPER LEVEL WINDS WILL INCREASE OVER THE REGION THURSDAY AND THEN WORK THEIR WAY DOWN TO THE SURFACE ACROSS MUCH OF THE MODOC NATIONAL FOREST THURSDAY AFTERNOON AND EVENING. EXPECT SOUTHWEST WINDS TO INCREASE TO 15 TO 25 MPH WITH GUSTS TO 35 MPH THURSDAY AFTERNOON AND EVENING. A FIRE WEATHER WARNING MEANS THAT CONDITIONS ARE FAVORABLE FOR THIS EVENT TO OCCUR. 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. $$
2 follow-up statements
000 WWUS86 KMFR 281750 RFWMFR RED FLAG WARNING NATIONAL WEATHER SERVICE MEDFORD OR 1050 AM PDT THU JUN 28 2007 ...INCREASING SOUTHWEST WINDS AND LOW HUMIDITIES THURSDAY AFTERNOON OVER THE MODOC NATIONAL FOREST... CAZ285-290400- /O.CON.KMFR.FW.W.0002.070628T2100Z-070629T0400Z/ MODOC COUNTY EXCEPT FOR THE SURPRISE VALLEY- 1050 AM PDT THU JUN 28 2007 ...RED FLAG WARNING REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO 9 PM PDT THIS EVENING... A RED FLAG WARNING REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO 9 PM PDT THIS EVENING. AN UNSEASONABLY STRONG LOW PRESSURE SYSTEM LOCATED OFF THE PACIFIC NORTHWEST COAST WILL SHIFT CLOSER TO THE COAST THURSDAY. UPPER LEVEL WINDS WILL INCREASE OVER THE REGION THURSDAY AND THEN WORK THEIR WAY DOWN TO THE SURFACE ACROSS MUCH OF THE MODOC NATIONAL FOREST THURSDAY AFTERNOON AND EVENING. EXPECT SOUTHWEST WINDS TO INCREASE TO 15 TO 25 MPH WITH GUSTS TO 35 MPH THURSDAY AFTERNOON AND EVENING. A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. $$ RH
491 WWUS86 KMFR 290202 RFWMFR RED FLAG WARNING NATIONAL WEATHER SERVICE MEDFORD OR 702 PM PDT THU JUN 28 2007 ...RED FLAG WARNING CANCELLED FOR CALIFORNIA ZONE 285... CAZ285-290315- /O.CAN.KMFR.FW.W.0002.000000T0000Z-070629T0400Z/ MODOC COUNTY EXCEPT FOR THE SURPRISE VALLEY- 702 PM PDT THU JUN 28 2007 ...RED FLAG WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MEDFORD HAS CANCELLED THE RED FLAG WARNING. REPORTED RELATIVE HUMIDITY VALUES REMAIN ABOVE THE 15% THRESHOLD FOR THE WARNING. THEREFORE...THE WARNING HAS BEEN CANCELLED. HOWEVER... GUSTY WINDS WILL PERSIST THROUGH THIS EVENING. $$ STOCKTON
Nearby
Red 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.