Alert archive / California / Red Flag Warnings in 2017
Red Flag Warning 1, NWS San Diego, CA
NWS San Diego, CA issued this red flag warning at Jun 26, 2017, 9:34 AM PDT for Riverside County, San Bernardino County, San Diego County, California. It took effect at Jun 26, 2017, 1:00 PM PDT. It was in force for 36 hr. 1 report 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
- Jun 26, 2017, 9:34 AM PDT (16:34 UTC)
- In effect from
- Jun 26, 2017, 1:00 PM PDT
- Expired
- Jun 28, 2017, 1:00 AM PDT
- In force
- 36 hr
- Issued by
- NWS San Diego, CA
Counties Riverside County, CA, San Bernardino County, CA, San Diego County, CA
The radar
The Santa Ana Mts radar (KSOX), 122 km from the middle of the area, began a volume at 16:31 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
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 26, 2:50 PM PDT | NON-TSTM WND GST 66 | 13 Ese Big Bear City, CA | RAWS SITE AT BURNS CANYON PEAK WIND GUST. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
San Diego, CA (KNKX), launched 12:00Z, 4.6 hours before the alert went out and 145 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
- 3580 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- -92 m²/s²
- 0-3 km storm-relative helicity
- -51 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
851 WWUS86 KSGX 261634 RFWSGX URGENT - FIRE WEATHER MESSAGE National Weather Service San Diego CA 934 AM PDT Mon Jun 26 2017 ...Strong winds and low humidity today through Tuesday for parts of the mountains and deserts... CAZ255-260-262200- /O.NEW.KSGX.FW.W.0001.170626T2000Z-170627T0800Z/ San Bernardino County Mountains- Including The Mountain Top And Front Country Ranger Districts Of The San Bernardino National Forest-Victor Valley-Apple Valley- Lucerne Valley-Johnson Valley- 934 AM PDT Mon Jun 26 2017 ...RED FLAG WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO 1 AM PDT TUESDAY FOR STRONG GUSTY WINDS AND LOW HUMIDITIES FOR desert slopes of the mountains below 5000 feet and the high desert. THE NATIONAL WEATHER SERVICE IN San Diego HAS ISSUED a Red Flag Warning...WHICH IS IN EFFECT from 1 PM this afternoon to 1 AM PDT Tuesday. * Wind...west to southwest 15 to 25 mph with gusts to 35 mph. * Humidity...single digits. * Timing...through tonight. * Outlook...decreasing winds tonight through Tuesday, but continued dry. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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 can contribute to extreme fire behavior. && $$ CAZ256-258-261-262-265-262200- /O.NEW.KSGX.FW.W.0001.170626T2000Z-170628T0800Z/ Riverside County Mountains- Including The San Jacinto Ranger District Of The San Bernardino National Forest-San Diego County Mountains- Including The Palomar And Descanso Ranger Districts of the Cleveland National Forest-Coachella Valley- Including The Palm Springs South Coast Desert District- San Diego County Deserts- Including The Anza Borrego Desert State Park- San Gorgonio Pass Near Banning- 934 AM PDT Mon Jun 26 2017 ...RED FLAG WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO 1 AM PDT WEDNESDAY FOR STRONG GUSTY WINDS AND LOW HUMIDITIES FOR desert slopes of the mountains below 5000 feet and the lower deserts... THE NATIONAL WEATHER SERVICE IN San Diego HAS ISSUED a Red Flag Warning...WHICH IS IN EFFECT from 1 PM this afternoon to 1 AM PDT Wednesday. * Wind...west to southwest 15 to 25 mph with gusts to 35 mph. Isolated gusts to 45 mph east of mountain passes. * Humidity...single digits. * Timing...through Tuesday night. * Outlook...Winds will decrease slightly Tuesday night through Wednesday, although humidity will remain low. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. && $$ MM
5 follow-up statements
537 WWUS86 KSGX 262054 RFWSGX URGENT - FIRE WEATHER MESSAGE National Weather Service San Diego CA 154 PM PDT Mon Jun 26 2017 ...Strong winds and low humidity through Tuesday for parts of the mountains and deserts... CAZ255-260-270400- /O.CON.KSGX.FW.W.0001.000000T0000Z-170627T0800Z/ San Bernardino County Mountains- Including The Mountain Top And Front Country Ranger Districts Of The San Bernardino National Forest-Victor Valley-Apple Valley- Lucerne Valley-Johnson Valley- 154 PM PDT Mon Jun 26 2017 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 1 AM PDT TUESDAY FOR STRONG GUSTY WINDS AND LOW HUMIDITIES FOR THE DESERT SLOPES OF THE MOUNTAINS BELOW 5000 FEET AND THE HIGH DESERT... * Wind...west to southwest 15 to 25 mph with gusts to 35 mph. * Humidity...single digits. * Timing...through tonight. * Outlook...decreasing winds tonight through Tuesday, but continued dry. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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 can contribute to extreme fire behavior. && $$ CAZ256-258-261-262-265-270400- /O.CON.KSGX.FW.W.0001.000000T0000Z-170628T0800Z/ Riverside County Mountains- Including The San Jacinto Ranger District Of The San Bernardino National Forest-San Diego County Mountains- Including The Palomar And Descanso Ranger Districts of the Cleveland National Forest-Coachella Valley- Including The Palm Springs South Coast Desert District- San Diego County Deserts- Including The Anza Borrego Desert State Park- San Gorgonio Pass Near Banning- 154 PM PDT Mon Jun 26 2017 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 1 AM PDT WEDNESDAY FOR STRONG GUSTY WINDS AND LOW HUMIDITIES FOR THE DESERT SLOPES OF THE MOUNTAINS BELOW 5000 FEET AND THE DESERTS... * Wind...west to southwest 15 to 25 mph with gusts to 35 mph. Isolated gusts 45 TO 50 mph east of mountain passes. * Humidity...single digits. * Timing...through Tuesday night. * Outlook...Winds will decrease slightly Tuesday night through Wednesday, although humidity will remain low. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. && $$
085 WWUS86 KSGX 270348 RFWSGX URGENT - FIRE WEATHER MESSAGE National Weather Service San Diego CA 848 PM PDT Mon Jun 26 2017 ...Strong winds and low humidity through Tuesday for parts of the mountains and deserts... CAZ255-270800- /O.EXT.KSGX.FW.W.0001.000000T0000Z-170628T0800Z/ San Bernardino County Mountains- Including The Mountain Top And Front Country Ranger Districts Of The San Bernardino National Forest- 848 PM PDT Mon Jun 26 2017 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 1 AM PDT TUESDAY FOR STRONG GUSTY WINDS AND LOW HUMIDITY FOR THE DESERT SLOPES OF THE MOUNTAINS BELOW 5000 FEET... * Wind...west to southwest 15 to 25 mph with gusts to 35 mph. * Humidity...single digits. * Timing...through tonight. * Outlook...decreasing winds tonight through Tuesday, but continued dry. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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 can contribute to extreme fire behavior. && $$ CAZ260-270800- /O.CON.KSGX.FW.W.0001.000000T0000Z-170627T0800Z/ Victor Valley-Apple Valley-Lucerne Valley-Johnson Valley- 848 PM PDT Mon Jun 26 2017 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 1 AM PDT TUESDAY FOR STRONG GUSTY WINDS AND LOW HUMIDITY... * Wind...west to southwest 15 to 25 mph with gusts to 35 mph. * Humidity...single digits. * Timing...through tonight. * Outlook...decreasing winds tonight through Tuesday, but continued dry. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. && $$ CAZ256-258-261-262-265-270800- /O.CON.KSGX.FW.W.0001.000000T0000Z-170628T0800Z/ Riverside County Mountains- Including The San Jacinto Ranger District Of The San Bernardino National Forest-San Diego County Mountains- Including The Palomar And Descanso Ranger Districts of the Cleveland National Forest-Coachella Valley- Including The Palm Springs South Coast Desert District- San Diego County Deserts- Including The Anza Borrego Desert State Park- San Gorgonio Pass Near Banning- 848 PM PDT Mon Jun 26 2017 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 1 AM PDT WEDNESDAY FOR STRONG GUSTY WINDS AND LOW HUMIDITY FOR THE DESERT SLOPES OF THE MOUNTAINS BELOW 5000 FEET AND THE DESERTS... * Wind...west to southwest 15 to 25 mph with gusts to 35 mph. Isolated gusts 45 TO 55 mph east of mountain passes. * Humidity...single digits. * Timing...through Tuesday night. * Outlook...Winds will decrease slightly Tuesday night through Wednesday, although humidity will remain low. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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 can contribute to extreme fire behavior. && $$ MM/JAD
166 WWUS86 KSGX 271014 RFWSGX URGENT - FIRE WEATHER MESSAGE National Weather Service San Diego CA 314 AM PDT Tue Jun 27 2017 ...RED FLAG WARNING THROUGH LATE TONIGHT FOR THE DESERTS AND DESERT MOUNTAIN SLOPES OF RIVERSIDE AND SAN DIEGO COUNTIES FOR STRONG GUSTY WINDS AND LOW HUMIDITIES... .Low humidities will continue for the deserts and desert slopes of the mountains through Wednesday with a slight recovery Thursday. Stronger onshore flow will bring periods of strong gusty west winds along the desert slopes of the mountains of Riverside and San Diego Counties through late this evening with the winds gradually weakening for Wednesday into Thursday. CAZ255-271115- /O.CAN.KSGX.FW.W.0001.000000T0000Z-170628T0800Z/ San Bernardino County Mountains- Including The Mountain Top And Front Country Ranger Districts Of The San Bernardino National Forest- 314 AM PDT Tue Jun 27 2017 ...RED FLAG WARNING HAS EXPIRED... Through Thursday...humidities will gradaully recover and winds will slowly weaken. $$ CAZ256-258-261-262-265-272130- /O.CON.KSGX.FW.W.0001.000000T0000Z-170628T0800Z/ Riverside County Mountains- Including The San Jacinto Ranger District Of The San Bernardino National Forest-San Diego County Mountains- Including The Palomar And Descanso Ranger Districts of the Cleveland National Forest-Coachella Valley- Including The Palm Springs South Coast Desert District- San Diego County Deserts- Including The Anza Borrego Desert State Park- San Gorgonio Pass Near Banning- 314 AM PDT Tue Jun 27 2017 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 1 AM PDT WEDNESDAY FOR STRONG GUSTY WINDS AND LOW HUMIDITIES FOR THE DESERTS AND DESERT SLOPES OF THE MOUNTAINS IN RIVERSIDE AND SAN DIEGO COUNTIES... * Wind...West 15 to 25 mph with gusts to 35 mph. Isolated gusts to 45 mph. * Humidity...Lowest daytime around 5 percent with slight recovery late tonight to 10 to 15 percent. * Outlook...Winds will slowly decrease for Wednesday into Thursday with a slight recovery in humidities Thursday. Another period of near critical fire weather conditions is expected for late Wednesday afternoon through late Wednesday evening. * Impacts...Any fires that develop will likely spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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 can contribute to extreme fire behavior. && $$ 17
921 WWUS86 KSGX 272012 RFWSGX URGENT - FIRE WEATHER MESSAGE National Weather Service San Diego CA 112 PM PDT Tue Jun 27 2017 ...RED FLAG WARNING THROUGH LATE TONIGHT FOR THE DESERTS AND DESERT MOUNTAIN SLOPES OF RIVERSIDE AND SAN DIEGO COUNTIES FOR STRONG GUSTY WINDS AND LOW HUMIDITIES... .Low humidities will continue for the deserts and desert slopes of the mountains through Wednesday with a slight recovery Thursday. Stronger onshore flow will bring periods of strong gusty west winds along the desert slopes of the mountains of Riverside and San Diego Counties through late this evening with the winds gradually weakening for Wednesday into Thursday. CAZ256-258-261-262-265-280800- /O.CON.KSGX.FW.W.0001.000000T0000Z-170628T0800Z/ Riverside County Mountains- Including The San Jacinto Ranger District Of The San Bernardino National Forest-San Diego County Mountains- Including The Palomar And Descanso Ranger Districts of the Cleveland National Forest-Coachella Valley- Including The Palm Springs South Coast Desert District- San Diego County Deserts- Including The Anza Borrego Desert State Park- San Gorgonio Pass Near Banning- 112 PM PDT Tue Jun 27 2017 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 1 AM PDT WEDNESDAY FOR STRONG GUSTY WINDS AND LOW HUMIDITIES... * Wind...West 15 to 25 mph with gusts to 35 mph. Isolated gusts 45 to 50 mph. * Humidity...Lowest daytime around 5 percent with slight recovery late tonight to 10 to 15 percent. * Outlook...Winds will slowly decrease for Wednesday into Thursday with a slight recovery in humidities Thursday. Another period of near critical fire weather conditions is expected for late Wednesday afternoon through late Wednesday evening...but with less area and duration of these winds. * Impacts...Any fires that develop will likely spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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 can contribute to extreme fire behavior. && $$ MM
987 WWUS86 KSGX 280748 RFWSGX URGENT - FIRE WEATHER MESSAGE National Weather Service San Diego CA 1248 AM PDT Wed Jun 28 2017 CAZ256-258-261-262-265-280900- /O.EXP.KSGX.FW.W.0001.000000T0000Z-170628T0800Z/ Riverside County Mountains- Including The San Jacinto Ranger District Of The San Bernardino National Forest-San Diego County Mountains- Including The Palomar And Descanso Ranger Districts of the Cleveland National Forest-Coachella Valley- Including The Palm Springs South Coast Desert District- San Diego County Deserts- Including The Anza Borrego Desert State Park- San Gorgonio Pass Near Banning- 1248 AM PDT Wed Jun 28 2017 ...RED FLAG WARNING WILL EXPIRE AT 1 AM PDT... Winds will continue to decrease overnight. However, another period of near critical fire weather conditions is expected late Wednesday afternoon and evening...but with less area and duration. Outdoor burning is not recommended. $$ Moede
Nearby
Red Flag Warnings in California, 2017Every red flag warning in 2017
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.