Alert archive / California / Red Flag Warnings in 2012
Red Flag Warning 8, NWS Medford, OR
NWS Medford, OR issued this red flag warning at Aug 7, 2012, 9:04 AM PDT for Modoc County, Siskiyou County, California. It took effect at Aug 7, 2012, 1:00 PM PDT. It was in force for 7 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
- Aug 7, 2012, 9:04 AM PDT (16:04 UTC)
- In effect from
- Aug 7, 2012, 1:00 PM PDT
- Expired
- Aug 7, 2012, 7:52 PM PDT
- In force
- 7 hr
- Issued by
- NWS Medford, OR
Counties Modoc County, CA, Siskiyou County, CA
The nearest sounding before it
Medford/Jackson, OR (KMFR), launched 12:00Z, 4.1 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1893 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 3 m²/s²
- 0-3 km storm-relative helicity
- 53 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
754 WWUS86 KMFR 071604 RFWMFR URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE MEDFORD OR 904 AM PDT TUE AUG 7 2012 ...GUSTY WINDS AND LOW RELATIVE HUMIDITIES ARE EXPECTED TO IMPACT MODOC COUNTY AND FAR EASTERN SISKIYOU COUNTY THIS AFTERNOON... CAZ284-285-080300- /O.NEW.KMFR.FW.W.0008.120807T2000Z-120808T0300Z/ SISKIYOU COUNTY FROM THE CASCADE MOUNTAINS EAST AND SOUTH TO MT SHASTA-MODOC COUNTY EXCEPT FOR THE SURPRISE VALLEY- 904 AM PDT TUE AUG 7 2012 ...RED FLAG WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO 8 PM PDT THIS EVENING FOR COMBINATION OF STRONG WINDS AND LOW RELATIVE HUMIDITIES FOR FIRE ZONE 285 AND EASTERN PORTION OF FIRE ZONE 284... THE NATIONAL WEATHER SERVICE IN MEDFORD HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 1 PM THIS AFTERNOON TO 8 PM PDT THIS EVENING. * AFFECTED AREA: FIRE ZONES 285 AND EASTERN 284 * WIND...AFTERNOON WEST TO SOUTHWEST WIND GUSTS OF 20 TO 30 MPH ARE EXPECTED. * HUMIDITY...AFTERNOON RELATIVE HUMIDITIES OF 10 PERCENT OR LOWER ARE EXPECTED TODAY. * IMPACTS...THE POTENTIAL FOR GUSTY WINDS AND LOW RELATIVE HUMIDITIES MAY RESULT IN EXPLOSIVE FIRE GROWTH THIS AFTERNOON. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. THESE CONDITIONS WILL CREATE THE POTENTIAL FOR EXPLOSIVE FIRE GROWTH. && $$ VISIT US AT WWW.WEATHER.GOV/MEDFORD
1 follow-up statement
019 WWUS86 KMFR 080252 RFWMFR URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE MEDFORD OR 752 PM PDT TUE AUG 7 2012 CAZ284-285-080400- /O.CAN.KMFR.FW.W.0008.000000T0000Z-120808T0300Z/ SISKIYOU COUNTY FROM THE CASCADE MOUNTAINS EAST AND SOUTH TO MT SHASTA-MODOC COUNTY EXCEPT FOR THE SURPRISE VALLEY- 752 PM PDT TUE AUG 7 2012 ...RED FLAG WARNING FOR COMBINATION OF STRONG WINDS AND LOW RELATIVE HUMIDITIES FOR FIRE ZONES 284 AND 285 WILL EXPIRE AT 8 PM... THE NATIONAL WEATHER SERVICE IN MEDFORD WILL ALLOW THE RED FLAG WARNING TO EXPIRE AT 8 PM. WINDS WILL CONTINUE TO DECREASE AND HUMIDITIES WILL RISE THROUGH THE EVENING...THUS CRITICAL FIRE WEATHER CONDITIONS ARE ENDING AND THE RED FLAG WARNING WILL BE ALLOWED TO EXPIRE. $$ WRIGHT VISIT US AT WWW.WEATHER.GOV/MEDFORD
Nearby
Red Flag Warnings in California, 2012Every red flag warning in 2012
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.