Alert archive / Oregon / Red Flag Warnings in 2008
Red Flag Warning 13, NWS Medford, OR
NWS Medford, OR issued this red flag warning at Sep 3, 2008, 5:46 AM PDT for Siskiyou County, California; 4 counties in Oregon. It took effect at Sep 3, 2008, 3:13 PM PDT. It was in force for 3 days. 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 3, 2008, 5:46 AM PDT (12:46 UTC)
- In effect from
- Sep 3, 2008, 3:13 PM PDT
- Expired
- Sep 6, 2008, 7:12 PM PDT
- In force
- 3 days
- Issued by
- NWS Medford, OR
Counties Siskiyou County, CA, Coos County, OR, Curry County, OR, Jackson County, OR, Josephine County, OR
The radar
The Medford radar (KMAX), 69 km from the middle of the area, began a volume at 12:44 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, 0.8 hours before the alert went out and 52 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
- 2253 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- -8 m²/s²
- 0-3 km storm-relative helicity
- 31 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
809 WWUS86 KMFR 031246 RFWMFR RED FLAG WARNING NATIONAL WEATHER SERVICE MEDFORD OR 546 AM PDT WED SEP 3 2008 CAZ280-ORZ619>621-032100- /O.UPG.KMFR.FW.A.0010.080904T0300Z-080905T1800Z/ /O.NEW.KMFR.FW.W.0013.080904T0300Z-080905T1800Z/ WESTERN KLAMATH NATIONAL FOREST-WESTERN SISKIYOU NATIONAL FOREST- WESTERN ROGUE BASIN INCLUDING THE ILLINOIS VALLEY- SISKIYOU MOUNTAINS- 546 AM PDT WED SEP 3 2008 ...RED FLAG WARNING IN EFFECT FROM 8 PM THIS EVENING TO 11 AM PDT FRIDAY... THE NATIONAL WEATHER SERVICE IN MEDFORD HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 8 PM THIS EVENING TO 11 AM PDT FRIDAY. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. A STRONG THERMAL TROUGH ALONG THE COAST WILL PRODUCE WINDY CONDITIONS AND POOR HUMIDITY RECOVERIES ON THE RIDGES OF EXTREME SOUTHWESTERN OREGON AND WESTERN SISKIYOU COUNTY IN NORTHERN CALIFORNIA WEDNESDAY NIGHT THROUGH EARLY FRIDAY. HUMIDITIES WILL REMAIN VERY LOW THROUGH THE DAY. OVER THE RIDGES...NORTHEAST WINDS OF 10 TO 20 MPH WITH HIGHER GUSTS WILL DEVELOP BY THIS EVENING AND CONTINUE THROUGH FRIDAY MORNING. POOR OVERNIGHT HUMIDITY RECOVERIES OF 20 TO 40 PERCENT ARE EXPECTED ON THE RIDGES TONIGHT AND THURSDAY NIGHT. MINIMUM DAYTIME HUMIDITIES WILL RANGE FROM 10 TO 25 PERCENT...WITH THE LOWEST READINGS IN THE VALLEYS OF WESTERN SISKIYOU COUNTY. 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. $$ STOCKTON
13 follow-up statements
172 WWUS86 KMFR 031651 RFWMFR RED FLAG WARNING NATIONAL WEATHER SERVICE MEDFORD OR 951 AM PDT WED SEP 3 2008 CAZ280-ORZ619>621-040100- /O.CON.KMFR.FW.W.0013.080904T0300Z-080905T1800Z/ WESTERN KLAMATH NATIONAL FOREST-WESTERN SISKIYOU NATIONAL FOREST- WESTERN ROGUE BASIN INCLUDING THE ILLINOIS VALLEY- SISKIYOU MOUNTAINS- 951 AM PDT WED SEP 3 2008 ...RED FLAG WARNING REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 11 AM PDT FRIDAY FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY... A RED FLAG WARNING REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 11 AM PDT FRIDAY FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY. A STRONG THERMAL TROUGH ALONG THE COAST WILL PRODUCE WINDY CONDITIONS AND POOR HUMIDITY RECOVERIES ON THE RIDGES OF EXTREME SOUTHWESTERN OREGON AND WESTERN SISKIYOU COUNTY IN NORTHERN CALIFORNIA WEDNESDAY NIGHT THROUGH EARLY FRIDAY. HUMIDITIES WILL REMAIN VERY LOW THROUGH THE DAY. OVER THE RIDGES...NORTHEAST WINDS OF 10 TO 20 MPH WITH HIGHER GUSTS WILL DEVELOP BY THIS EVENING AND CONTINUE THROUGH FRIDAY MORNING. POOR OVERNIGHT HUMIDITY RECOVERIES OF 20 TO 40 PERCENT ARE EXPECTED ON THE RIDGES TONIGHT AND THURSDAY NIGHT. MINIMUM DAYTIME HUMIDITIES WILL RANGE FROM 10 TO 25 PERCENT...WITH THE LOWEST READINGS IN THE VALLEYS OF WESTERN SISKIYOU COUNTY. A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. $$ SVEN
701 WWUS86 KMFR 032213 RFWMFR RED FLAG WARNING NATIONAL WEATHER SERVICE MEDFORD OR 313 PM PDT WED SEP 3 2008 ORZ618-040615- /O.EXA.KMFR.FW.W.0013.080904T0300Z-080905T1800Z/ SOUTHERN OREGON COAST- 313 PM PDT WED SEP 3 2008 ...RED FLAG WARNING IN EFFECT FROM 8 PM THIS EVENING TO 11 AM PDT FRIDAY FOR STRONG WINDS AND LOW RELATIVE HUMIDITIES... THE NATIONAL WEATHER SERVICE IN MEDFORD HAS ISSUED A RED FLAG WARNING FOR STRONG WINDS AND LOW RELATIVE HUMIDITIES...WHICH IS IN EFFECT FROM 8 PM THIS EVENING TO 11 AM PDT FRIDAY. A STRONG THERMAL TROUGH ALONG THE COAST WILL PRODUCE WINDY CONDITIONS AND POOR HUMIDITY RECOVERIES ON THE RIDGES OF EXTREME SOUTHWESTERN OREGON AND WESTERN SISKIYOU COUNTY IN NORTHERN CALIFORNIA WEDNESDAY NIGHT THROUGH EARLY FRIDAY. HUMIDITIES WILL REMAIN VERY LOW THROUGH THE DAY. OVER THE RIDGES...NORTHEAST WINDS OF 10 TO 20 MPH WITH HIGHER GUSTS WILL DEVELOP BY THIS EVENING AND CONTINUE THROUGH FRIDAY MORNING. POOR OVERNIGHT HUMIDITY RECOVERIES OF 20 TO 40 PERCENT ARE EXPECTED ON THE RIDGES TONIGHT AND THURSDAY NIGHT. MINIMUM DAYTIME HUMIDITIES WILL RANGE FROM 10 TO 25 PERCENT...WITH THE LOWEST READINGS IN THE VALLEYS OF WESTERN SISKIYOU COUNTY. 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. $$ CAZ280-ORZ619>621-040615- /O.CON.KMFR.FW.W.0013.080904T0300Z-080905T1800Z/ WESTERN KLAMATH NATIONAL FOREST-WESTERN SISKIYOU NATIONAL FOREST- WESTERN ROGUE BASIN INCLUDING THE ILLINOIS VALLEY- SISKIYOU MOUNTAINS- 313 PM PDT WED SEP 3 2008 ...RED FLAG WARNING REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 11 AM PDT FRIDAY FOR STRONG WINDS AND LOW RELATIVE HUMIDITIES... A RED FLAG WARNING REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 11 AM PDT FRIDAY FOR STRONG WINDS AND LOW RELATIVE HUMIDITIES. A STRONG THERMAL TROUGH ALONG THE COAST WILL PRODUCE WINDY CONDITIONS AND POOR HUMIDITY RECOVERIES ON THE RIDGES OF EXTREME SOUTHWESTERN OREGON AND WESTERN SISKIYOU COUNTY IN NORTHERN CALIFORNIA WEDNESDAY NIGHT THROUGH EARLY FRIDAY. HUMIDITIES WILL REMAIN VERY LOW THROUGH THE DAY. OVER THE RIDGES...NORTHEAST WINDS OF 10 TO 20 MPH WITH HIGHER GUSTS WILL DEVELOP BY THIS EVENING AND CONTINUE THROUGH FRIDAY MORNING. POOR OVERNIGHT HUMIDITY RECOVERIES OF 20 TO 40 PERCENT ARE EXPECTED ON THE RIDGES TONIGHT AND THURSDAY NIGHT. MINIMUM DAYTIME HUMIDITIES WILL RANGE FROM 10 TO 25 PERCENT...WITH THE LOWEST READINGS IN THE VALLEYS OF WESTERN SISKIYOU COUNTY. A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. $$ SVEN
311 WWUS86 KMFR 032257 CCA RFWMFR RED FLAG WARNING...CORRECTED NATIONAL WEATHER SERVICE MEDFORD OR 355 PM PDT WED SEP 3 2008 ORZ618-040715- /O.COR.KMFR.FW.W.0013.080904T0300Z-080905T1800Z/ SOUTHERN OREGON COAST- 355 PM PDT WED SEP 3 2008 ...RED FLAG WARNING IN EFFECT FROM 8 PM THIS EVENING TO 11 AM PDT FRIDAY FOR STRONG WINDS AND LOW RELATIVE HUMIDITIES FOR FIRE WEATHER ZONE 618... THE NATIONAL WEATHER SERVICE IN MEDFORD HAS ISSUED A RED FLAG WARNING FOR STRONG WINDS AND LOW RELATIVE HUMIDITIES...WHICH IS IN EFFECT FROM 8 PM THIS EVENING TO 11 AM PDT FRIDAY. A STRONG THERMAL TROUGH ALONG THE COAST WILL PRODUCE WINDY CONDITIONS AND POOR HUMIDITY RECOVERIES ON THE RIDGES OF EXTREME SOUTHWESTERN OREGON AND WESTERN SISKIYOU COUNTY IN NORTHERN CALIFORNIA WEDNESDAY NIGHT THROUGH EARLY FRIDAY. HUMIDITIES WILL REMAIN VERY LOW THROUGH THE DAY. OVER THE RIDGES...NORTHEAST WINDS OF 10 TO 20 MPH WITH HIGHER GUSTS WILL DEVELOP BY THIS EVENING AND CONTINUE THROUGH FRIDAY MORNING. POOR OVERNIGHT HUMIDITY RECOVERIES OF 20 TO 40 PERCENT ARE EXPECTED ON THE RIDGES TONIGHT AND THURSDAY NIGHT. MINIMUM DAYTIME HUMIDITIES WILL RANGE FROM 10 TO 25 PERCENT...WITH THE LOWEST READINGS IN THE VALLEYS OF WESTERN SISKIYOU COUNTY. 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. $$ CAZ280-ORZ619>621-040715- /O.COR.KMFR.FW.W.0013.080904T0300Z-080905T1800Z/ WESTERN KLAMATH NATIONAL FOREST-WESTERN SISKIYOU NATIONAL FOREST- WESTERN ROGUE BASIN INCLUDING THE ILLINOIS VALLEY- SISKIYOU MOUNTAINS- 355 PM PDT WED SEP 3 2008 ...RED FLAG WARNING REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 11 AM PDT FRIDAY FOR STRONG WINDS AND LOW RELATIVE HUMIDITIES FOR FIRE WEATHER ZONES 619...620 AND 621 IN OREGON AND 280 IN WESTERN SISKIYOU COUNTY OF CALIFORNIA... A RED FLAG WARNING REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 11 AM PDT FRIDAY FOR STRONG WINDS AND LOW RELATIVE HUMIDITIES. A STRONG THERMAL TROUGH ALONG THE COAST WILL PRODUCE WINDY CONDITIONS AND POOR HUMIDITY RECOVERIES ON THE RIDGES OF EXTREME SOUTHWESTERN OREGON AND WESTERN SISKIYOU COUNTY IN NORTHERN CALIFORNIA WEDNESDAY NIGHT THROUGH EARLY FRIDAY. HUMIDITIES WILL REMAIN VERY LOW THROUGH THE DAY. OVER THE RIDGES...NORTHEAST WINDS OF 10 TO 20 MPH WITH HIGHER GUSTS WILL DEVELOP BY THIS EVENING AND CONTINUE THROUGH FRIDAY MORNING. POOR OVERNIGHT HUMIDITY RECOVERIES OF 20 TO 40 PERCENT ARE EXPECTED ON THE RIDGES TONIGHT AND THURSDAY NIGHT. MINIMUM DAYTIME HUMIDITIES WILL RANGE FROM 10 TO 25 PERCENT...WITH THE LOWEST READINGS IN THE VALLEYS OF WESTERN SISKIYOU COUNTY. A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. $$ SVEN
913 WWUS86 KMFR 040556 RFWMFR RED FLAG WARNING NATIONAL WEATHER SERVICE MEDFORD OR 1056 PM PDT WED SEP 3 2008 CAZ280-ORZ618>621-041800- /O.CON.KMFR.FW.W.0013.000000T0000Z-080905T1800Z/ WESTERN KLAMATH NATIONAL FOREST-SOUTHERN OREGON COAST- WESTERN SISKIYOU NATIONAL FOREST- WESTERN ROGUE BASIN INCLUDING THE ILLINOIS VALLEY- SISKIYOU MOUNTAINS- 1056 PM PDT WED SEP 3 2008 ...RED FLAG WARNING IN EFFECT UNTIL 11 AM PDT FRIDAY FOR STRONG WINDS AND LOW RELATIVE HUMIDITIES FOR FIRE WEATHER ZONE 618 619 620 AND 621 IN OREGON AND ZONE 280 IN NORTHERN CALIFORNIA... A RED FLAG WARNING REMAINS IN EFFECT UNTIL 11 AM PDT FRIDAY FOR STRONG WINDS AND LOW RELATIVE HUMIDITIES FOR FIRE WEATHER ZONE 618 619 620 AND 621 IN OREGON AND ZONE 280 IN NORTHERN CALIFORNIA. A STRONG THERMAL TROUGH ALONG THE COAST WILL PRODUCE WINDY CONDITIONS AND POOR HUMIDITY RECOVERIES ON THE RIDGES OF EXTREME SOUTHWESTERN OREGON AND NORTHWESTERN SISKIYOU COUNTY IN NORTHERN CALIFORNIA WEDNESDAY NIGHT THROUGH EARLY FRIDAY. HUMIDITIES WILL REMAIN VERY LOW THROUGH THE DAY. OVER THE RIDGES...NORTHEAST WINDS OF 10 TO 20 MPH WITH HIGHER GUSTS WILL DEVELOP BY THIS EVENING AND CONTINUE THROUGH FRIDAY MORNING. POOR OVERNIGHT HUMIDITY RECOVERIES OF 20 TO 40 PERCENT ARE EXPECTED ON THE RIDGES TONIGHT AND THURSDAY NIGHT. MINIMUM DAYTIME HUMIDITIES WILL RANGE FROM 10 TO 25 PERCENT...WITH THE LOWEST READINGS IN THE VALLEYS OF WESTERN SISKIYOU COUNTY. 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. $$ FB
721 WWUS86 KMFR 041252 RFWMFR RED FLAG WARNING NATIONAL WEATHER SERVICE MEDFORD OR 552 AM PDT THU SEP 4 2008 CAZ280-ORZ618>621-042100- /O.CON.KMFR.FW.W.0013.000000T0000Z-080905T1800Z/ WESTERN KLAMATH NATIONAL FOREST-SOUTHERN OREGON COAST- WESTERN SISKIYOU NATIONAL FOREST- WESTERN ROGUE BASIN INCLUDING THE ILLINOIS VALLEY- SISKIYOU MOUNTAINS- 552 AM PDT THU SEP 4 2008 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 11 AM PDT FRIDAY... A RED FLAG WARNING REMAINS IN EFFECT UNTIL 11 AM PDT FRIDAY. A STRONG THERMAL TROUGH ALONG THE COAST WILL PRODUCE WINDY CONDITIONS AND POOR HUMIDITY RECOVERIES ON THE RIDGES OF EXTREME SOUTHWESTERN OREGON AND NORTHWESTERN SISKIYOU COUNTY IN NORTHERN CALIFORNIA THROUGH EARLY FRIDAY. HUMIDITIES WILL REMAIN VERY LOW THROUGH THE DAY. NORTHEAST WINDS OF 10 TO 25 MPH WILL CONTINUE OVER THE RIDGES THROUGH FRIDAY MORNING WITH POOR OVERNIGHT HUMIDITY RECOVERIES OF 20-45 PERCENT. MINIMUM DAYTIME HUMIDITIES INLAND WILL BE 10-30 PERCENT...WITH THE LOWEST READINGS IN THE VALLEYS OF WESTERN SISKIYOU COUNTY. A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. $$ STOCKTON
941 WWUS86 KMFR 042206 RFWMFR RED FLAG WARNING NATIONAL WEATHER SERVICE MEDFORD OR 306 PM PDT THU SEP 4 2008 CAZ280-ORZ618>621-050615- /O.EXT.KMFR.FW.W.0013.000000T0000Z-080906T1800Z/ WESTERN KLAMATH NATIONAL FOREST-SOUTHERN OREGON COAST- WESTERN SISKIYOU NATIONAL FOREST- WESTERN ROGUE BASIN INCLUDING THE ILLINOIS VALLEY- SISKIYOU MOUNTAINS- 306 PM PDT THU SEP 4 2008 ...RED FLAG WARNING NOW IN EFFECT UNTIL 11 AM PDT SATURDAY FOR STRONG WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 618...619...620 AND 621 IN OREGON AND 280 IN WESTERN SISKIYOU COUNTY OF CALIFORNIA... THE RED FLAG WARNING IS NOW IN EFFECT UNTIL 11 AM PDT SATURDAY FOR STRONG WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 618...619...620 AND 621 IN OREGON AND 280 IN WESTERN SISKIYOU COUNTY OF CALIFORNIA. A STRONG THERMAL TROUGH ALONG THE COAST WILL PRODUCE WINDY CONDITIONS AND POOR HUMIDITY RECOVERIES ON THE RIDGES OF EXTREME SOUTHWESTERN OREGON AND NORTHWESTERN SISKIYOU COUNTY IN NORTHERN CALIFORNIA THROUGH SATURDAY MORNING. HUMIDITIES WILL REMAIN VERY LOW THROUGH THE DAY. NORTHEAST WINDS OF 10 TO 25 MPH WILL CONTINUE OVER THE RIDGES THROUGH SATURDAY MORNING WITH POOR OVERNIGHT HUMIDITY RECOVERIES OF 20-45 PERCENT. MINIMUM DAYTIME HUMIDITIES INLAND WILL BE 10- 30 PERCENT...WITH THE LOWEST READINGS IN THE VALLEYS OF WESTERN SISKIYOU COUNTY. 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. $$ SVEN
395 WWUS86 KMFR 050547 RFWMFR RED FLAG WARNING NATIONAL WEATHER SERVICE MEDFORD OR 1047 PM PDT THU SEP 4 2008 CAZ280-ORZ618>621-051500- /O.CON.KMFR.FW.W.0013.000000T0000Z-080906T1800Z/ WESTERN KLAMATH NATIONAL FOREST-SOUTHERN OREGON COAST- WESTERN SISKIYOU NATIONAL FOREST- WESTERN ROGUE BASIN INCLUDING THE ILLINOIS VALLEY- SISKIYOU MOUNTAINS- 1047 PM PDT THU SEP 4 2008 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 11 AM PDT SATURDAY FOR STRONG WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 618 619 620 621 IN SOUTHERN OREGON AND 280 IN NORTHWESTERN SISKIYOU COUNTY OF CALIFORNIA... A RED FLAG WARNING REMAINS IN EFFECT UNTIL 11 AM PDT SATURDAY FOR STRONG WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 618 619 620 621 IN SOUTHERN OREGON AND 280 IN NORTHWESTERN SISKIYOU COUNTY OF CALIFORNIA. A STRONG THERMAL TROUGH ALONG THE COAST WILL PRODUCE WINDY CONDITIONS AND POOR HUMIDITY RECOVERIES ON THE RIDGES OF EXTREME SOUTHWESTERN OREGON AND NORTHWESTERN SISKIYOU COUNTY IN NORTHERN CALIFORNIA THROUGH SATURDAY MORNING. HUMIDITIES WILL REMAIN VERY LOW THROUGH THE DAY. NORTHEAST WINDS OF 10 TO 25 MPH WILL CONTINUE OVER THE RIDGES THROUGH SATURDAY MORNING WITH POOR OVERNIGHT HUMIDITY RECOVERIES OF 20 TO 35 PERCENT. MINIMUM DAYTIME HUMIDITIES INLAND WILL BE 10 TO 30 PERCENT...WITH THE LOWEST READINGS IN THE VALLEYS OF WESTERN SISKIYOU COUNTY. A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. $$ FB
118 WWUS86 KMFR 051355 RFWMFR RED FLAG WARNING NATIONAL WEATHER SERVICE MEDFORD OR 655 AM PDT FRI SEP 5 2008 CAZ280-ORZ618>621-060000- /O.CON.KMFR.FW.W.0013.000000T0000Z-080906T1800Z/ WESTERN KLAMATH NATIONAL FOREST-SOUTHERN OREGON COAST- WESTERN SISKIYOU NATIONAL FOREST- WESTERN ROGUE BASIN INCLUDING THE ILLINOIS VALLEY- SISKIYOU MOUNTAINS- 655 AM PDT FRI SEP 5 2008 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 11 AM PDT SATURDAY FOR MODERATE TO STRONG WINDS AND LOW RELATIVE HUMIDITIES IN FIRE WEATHER ZONES 618...619...620...AND 621 IN SOUTHERN OREGON...AND FIRE WEATHER ZONE 280 IN NORTHWESTERN SISKIYOU COUNTY IN CALIFORNIA... A RED FLAG WARNING REMAINS IN EFFECT UNTIL 11 AM PDT SATURDAY FOR STRONG WINDS AND LOW RELATIVE HUMIDITIES FOR FIRE WEATHER ZONES 618... 619...620...621 IN SOUTHERN OREGON AND FIRE WEATHER ZONE 280 IN NORTHWESTERN SISKIYOU COUNTY IN CALIFORNIA. HIGH PRESSURE NORTHWEST OF THE AREA AND A STRONG...AND STILL STRENGTHENING...THERMAL TROUGH ALONG THE COAST WILL PRODUCE BREEZY CONDITIONS AND LOW RELATIVE HUMIDITIES ACROSS THE RIDGES OF SOUTHWESTERN OREGON...DESCENDING TO LOWER ELEVATIONS ALONG AND NEAR THE COAST...AS WELL AS IN WESTERN SISKIYOU COUNTY IN NORTHWESTERN CALIFORNIA THROUGH SATURDAY MORNING. HUMIDITIES WILL BE LOWEST DURING THE DAY. NORTHEAST WINDS OF 10 TO 25 MPH...WITH GUSTS OF 30 TO 40 MPH ON THE RIDGES AND ALONG THE COAST...WILL CONTINUE THROUGH SATURDAY MORNING. POOR OVERNIGHT HUMIDITY RECOVERIES OF 30 TO 45 PERCENT WILL OCCUR DURING THIS PERIOD...WITH MINIMUM DAYTIME HUMIDITIES OF 8 TO 20 PERCENT. 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. $$ BTL
904 WWUS86 KMFR 052028 RFWMFR RED FLAG WARNING NATIONAL WEATHER SERVICE MEDFORD OR 128 PM PDT FRI SEP 5 2008 ORZ619>621-052130- /O.CAN.KMFR.FW.W.0013.000000T0000Z-080906T1800Z/ WESTERN SISKIYOU NATIONAL FOREST- WESTERN ROGUE BASIN INCLUDING THE ILLINOIS VALLEY- SISKIYOU MOUNTAINS- 128 PM PDT FRI SEP 5 2008 ...RED FLAG WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MEDFORD HAS CANCELLED THE RED FLAG WARNING. THE SURFACE THERMAL TROUGH IS NOW CONCENTRATED CLOSER TO THE COAST AND WEST OF ORZ 619-621. WINDS AND AND OVERNIGHT RECOVERIES ARE EXPECTED TO IMPROVE SLIGHTLY OVER LAST NIGHTS OBSERVATIONS. THEREFORE...RED FLAG CONDITIONS ARE NO LONGER EXPECTED. $$ CAZ280-ORZ618-061200- /O.CON.KMFR.FW.W.0013.000000T0000Z-080906T1800Z/ WESTERN KLAMATH NATIONAL FOREST-SOUTHERN OREGON COAST- 128 PM PDT FRI SEP 5 2008 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 11 AM PDT SATURDAY FOR MODERATE TO STRONG OFFSHORE WINDS AND LOW RELATIVE HUMIDITIES IN FIRE WEATHER ZONE 618 IN CURRY COUNTY OREGON AND FIRE WEATHER ZONE 280 IN SISKIYOU COUNTY CALIFORNIA... A RED FLAG WARNING REMAINS IN EFFECT UNTIL 11 AM PDT SATURDAY. A THERMAL TROUGH ALONG THE COAST WILL CONTINUE TO PRODUCE BREEZY CONDITIONS AND LOW RELATIVE HUMIDITIES PRIMARILY OVER RIDGETOPS IN THE SOUTH COASTAL MOUNTAINS IN CURRY COUNTY OREGON AND IN WESTERN SISKIYOU COUNTY CALIFORNIA. THE THERMAL TROUGH IS EXPECTED TO WEAKEN BY SATURDAY AFTERNOON AND WINDS ARE EXPECTED TO DECREASE WHILE HUMIDITIES INCREASE. NORTHEAST WINDS OF 10 TO 25 MPH...WITH GUSTS UP TO 30 MPH WILL CONTINUE THROUGH SATURDAY MORNING. IN ADDITION...POOR OVERNIGHT HUMIDITY RECOVERIES OF 30 TO 45 PERCENT WILL OCCUR AGAIN TONIGHT. 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. $$ MWJ
552 WWUS86 KMFR 061200 RFWMFR RED FLAG WARNING NATIONAL WEATHER SERVICE MEDFORD OR 500 AM PDT SAT SEP 6 2008 CAZ280-ORZ618-061800- /O.CON.KMFR.FW.W.0013.000000T0000Z-080906T1800Z/ WESTERN KLAMATH NATIONAL FOREST-SOUTHERN OREGON COAST- 500 AM PDT SAT SEP 6 2008 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 11 AM PDT THIS MORNING FOR MODERATE TO STRONG OFFSHORE WINDS AND LOW RELATIVE HUMIDITIES IN FIRE WEATHER ZONE 618 IN CURRY COUNTY OREGON AND FIRE WEATHER ZONE 280 IN WESTERN SISKIYOU COUNTY CALIFORNIA...... A RED FLAG WARNING REMAINS IN EFFECT UNTIL 11 AM PDT THIS MORNING. A THERMAL TROUGH ALONG THE COAST WILL CONTINUE TO PRODUCE BREEZY CONDITIONS OVER THE RIDGETOPS AND ALONG THE COAST THIS MORNING. POOR RELATIVE HUMIDITY RECOVERIES THIS MORNING OF 25 TO 40 PERCENT IN WESTERN SISKIYOU COUNTY AND OF ONLY 20 TO 30 PERCENT ALONG THE COAST THIS MORNING WILL LEAD TO ANOTHER VERY DRY AFTERNOON. THE THERMAL TROUGH...HOWEVER...IS EXPECTED TO WEAKEN THIS AFTERNOON CAUSING WINDS TO DECREASE BELOW RED FLAG WARNING LEVELS THIS AFTERNOON. NORTHEAST WINDS OF 10 TO 25 MPH...WITH GUSTS UP TO 30 MPH WILL CONTINUE THIS MORNING BEFORE DIMINISHING THIS AFTERNOON. A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. $$ BTL
367 WWUS86 KMFR 061344 RFWMFR RED FLAG WARNING NATIONAL WEATHER SERVICE MEDFORD OR 643 AM PDT SAT SEP 6 2008 CAZ280-ORZ618-062145- /O.EXT.KMFR.FW.W.0013.000000T0000Z-080907T0600Z/ WESTERN KLAMATH NATIONAL FOREST-SOUTHERN OREGON COAST- 643 AM PDT SAT SEP 6 2008 ...RED FLAG WARNING NOW IN EFFECT UNTIL 11 PM PDT THIS EVENING FOR MODERATE OFFSHORE WINDS AND LOW RELATIVE HUMIDITIES IN FIRE WEATHER ZONE 618 IN CURRY COUNTY OREGON AND FIRE WEATHER ZONE 280 IN WESTERN SISKIYOU COUNTY CALIFORNIA... THE RED FLAG WARNING IS NOW IN EFFECT UNTIL 11 PM PDT THIS EVENING. A THERMAL TROUGH ALONG THE COAST WILL CONTINUE TO PRODUCE BREEZY CONDITIONS OVER THE RIDGE TOPS AND ALONG THE COAST THROUGH THIS EVENING. SUSTAINED NORTHEAST WINDS OF 6 TO 20 MPH AT MID AND HIGHER ELEVATIONS OF WESTERN SISKIYOU COUNTY...AND 6 TO AS HIGH AS 25 MPH ALONG THE COAST AND IN THE CURRY COUNTY COASTAL MOUNTAINS THIS MORNING WILL WEAKEN SOME AND BECOME LESS WIDESPREAD THIS AFTERNOON AND EVENING AS HIGH PRESSURE OVER EASTERN OREGON WEAKENS. MEANWHILE...POOR RELATIVE HUMIDITY RECOVERIES THIS MORNING OF 25 TO 40 PERCENT IN WESTERN SISKIYOU COUNTY...AND OF ONLY 20 TO 30 PERCENT ALONG THE COAST THIS MORNING...WILL LEAD TO ANOTHER VERY DRY AFTERNOON. RELATIVE HUMIDITIES THIS AFTERNOON THROUGH THIS EVENING WILL BOTTOM OUT BETWEEN 8 AND 18 PERCENT THIS AFTERNOON. HIGH PRESSURE OVER EASTERN OREGON AND THE THERMAL TROUGH ALONG THE COAST ARE BOTH EXPECTED TO WEAKEN THIS EVENING...CAUSING WINDS TO DECREASE AND RELATIVE HUMIDITIES TO RECOVER BETTER...BRINGING AN END TO RED FLAG WARNING CONDITIONS. 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. $$ BTL
400 WWUS86 KMFR 062021 RFWMFR RED FLAG WARNING NATIONAL WEATHER SERVICE MEDFORD OR 121 PM PDT SAT SEP 6 2008 CAZ280-062130- /O.CAN.KMFR.FW.W.0013.000000T0000Z-080907T0600Z/ WESTERN KLAMATH NATIONAL FOREST- 121 PM PDT SAT SEP 6 2008 ...RED FLAG WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MEDFORD HAS CANCELLED THE RED FLAG WARNING. WHILE HUMIDITIES ARE EXPECTED TO REMAIN LOW...WINDS HAVE DIMINISHED AS THE SURFACE THERMAL TROUGH SHIFTS INLAND. THEREFORE...RED FLAG CRITERIA CONDITIONS ARE NOT OCCURRING AND ARE NO LONGER EXPECTED. $$ ORZ618-070430- /O.CON.KMFR.FW.W.0013.000000T0000Z-080907T0600Z/ SOUTHERN OREGON COAST- 121 PM PDT SAT SEP 6 2008 ...RED FLAG WARNING NOW IN EFFECT UNTIL 11 PM PDT THIS EVENING FOR MODERATE OFFSHORE WINDS AND LOW RELATIVE HUMIDITIES PRIMARILY OVER RIDGETOPS IN ORZ 618... A RED FLAG WARNING REMAINS IN EFFECT UNTIL 11 PM PDT THIS EVENING. A THERMAL TROUGH ALONG THE COAST WILL CONTINUE TO PRODUCE BREEZY CONDITIONS ALONG THE COAST THROUGH THIS EVENING. SUSTAINED NORTHEAST WINDS OF 15 TO 20 MPH WITH GUSTS TO 30 MPH AND HUMIDITIES OF 25 TO 30 PERCENT ARE EXPECTED TO CONTINUE PRIMARILY OVER RIDGE TOPS THROUGH THIS EVENING WITHIN THE COASTAL MOUNTAIN RANGE OF CURRY COUNTY. WINDS ARE EXPECTED TO DIMINISH OVERNIGHT AND HUMIDITIES WILL SLOWLY CLIMB OVERNIGHT. 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. $$ MWJ
404 WWUS86 KMFR 070212 RFWMFR RED FLAG WARNING NATIONAL WEATHER SERVICE MEDFORD OR 712 PM PDT SAT SEP 6 2008 ORZ618-070315- /O.CAN.KMFR.FW.W.0013.000000T0000Z-080907T0600Z/ SOUTHERN OREGON COAST- 712 PM PDT SAT SEP 6 2008 ...RED FLAG WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MEDFORD HAS CANCELLED THE RED FLAG WARNING. OFFSHORE WINDS HAVE DIMINISHED. $$ STOCKTON
Nearby
Red Flag Warnings in Oregon, 2008Red Flag Warnings in California, 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.