Alert archive / California / Red Flag Warnings in 2016
Red Flag Warning 7, NWS San Diego, CA
NWS San Diego, CA issued this red flag warning at Oct 17, 2016, 1:49 PM PDT for 4 counties in California. It took effect at Oct 19, 2016, 2:00 AM PDT. It was in force for 42 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
- Oct 17, 2016, 1:49 PM PDT (20:49 UTC)
- In effect from
- Oct 19, 2016, 2:00 AM PDT
- Expired
- Oct 20, 2016, 8:00 PM PDT
- In force
- 42 hr
- Issued by
- NWS San Diego, CA
Counties Orange County, CA, Riverside County, CA, San Bernardino County, CA, San Diego County, CA
The radar
The Santa Ana Mts radar (KSOX), 88 km from the middle of the area, began a volume at 20:49 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
San Diego, CA (KNKX), launched 12:00Z, 8.8 hours before the alert went out and 124 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
- 633 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- -1 m²/s²
- 0-3 km storm-relative helicity
- 55 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
928 WWUS86 KSGX 172049 RFWSGX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN DIEGO CA 149 PM PDT MON OCT 17 2016 ...RED FLAG WARNING IN EFFECT FROM LATE TUESDAY NIGHT THROUGH THURSDAY EVENING FOR THE MOUNTAINS...VALLEYS AND INLAND ORANGE COUNTY... .MODERATE TO LOCALLY STRONG SANTA ANA WINDS WILL CREATE CRITICAL FIRE GROWTH CONDITIONS WEDNESDAY AND THURSDAY. WETTING RAINS IN THE SAN BERNARDINO FOOTHILLS AND THE SANTA ANA MOUNTAINS AND FOOTHILLS HAVE BRIEFLY INCREASED THE FUEL MOISTURE CONTENT. HOWEVER THE FUELS WILL DRY QUICKLY WITH THE ONSET OF THE SANTA ANA WINDS TUESDAY NIGHT. THE STRONGEST WINDS ARE EXPECTED THROUGH AND BELOW THE MOUNTAIN PASSES AND INTO PORTIONS OF THE INLAND VALLEYS. THE WINDS WILL FIRST REACH THE CAJON PASS...THE INLAND EMPIRE...THE SANTA ANA MOUNTAINS AND FOOTHILLS AND INLAND ORANGE COUNTY LATE TUESDAY NIGHT INTO WEDNESDAY MORNING. CRITICAL FIRE WEATHER CONDITIONS THEN LIKELY TO SPREAD INTO SAN DIEGO COUNTY WEDNESDAY INTO THURSDAY. THE SANTA ANA WINDS WILL PROBABLY BE WEAKER ON FRIDAY...BUT HOT AND DRY CONDITIONS WILL CONTINUE FOR INLAND AREAS. CAZ248-250-255>258-265-554-180500- /O.UPG.KSGX.FW.A.0008.161019T0900Z-161021T0300Z/ /O.NEW.KSGX.FW.W.0007.161019T0900Z-161021T0300Z/ SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS - THE INLAND EMPIRE- SAN DIEGO COUNTY INLAND VALLEYS-SAN BERNARDINO COUNTY MOUNTAINS- INCLUDING THE MOUNTAIN TOP AND FRONT COUNTRY RANGER DISTRICTS OF THE SAN BERNARDINO NATIONAL FOREST-RIVERSIDE COUNTY MOUNTAINS- INCLUDING THE SAN JACINTO RANGER DISTRICT OF THE SAN BERNARDINO NATIONAL FOREST-SANTA ANA MOUNTAINS- INCLUDING THE TRABUCO RANGER DISTRICT OF THE CLEVELAND NATIONAL FOREST-SAN DIEGO COUNTY MOUNTAINS- INCLUDING THE PALOMAR AND DESCANSO RANGER DISTRICTS OF THE CLEVELAND NATIONAL FOREST-SAN GORGONIO PASS NEAR BANNING- ORANGE COUNTY INLAND AREAS- 149 PM PDT MON OCT 17 2016 ...RED FLAG WARNING IN EFFECT FROM 2 AM WEDNESDAY TO 8 PM PDT THURSDAY FOR STRONG GUSTY WINDS AND LOW HUMIDITIES FOR THE MOUNTAINS...VALLEYS AND INLAND ORANGE COUNTY... THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 2 AM WEDNESDAY TO 8 PM PDT THURSDAY. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. * WIND...NORTHEAST TO EAST 15 TO 30 MPH WITH GUSTS 40 TO 50 MPH. * HUMIDITY...FALLING BELOW 15 PERCENT EARLY WEDNESDAY AND MOSTLY IN THE SINGLE DIGITS WEDNESDAY AND THURSDAY. VERY POOR OVERNIGHT RECOVERIES. * TIMING...WINDS PICKING UP AND CONDITIONS DRYING OUT TUESDAY NIGHT AND EARLY WEDNESDAY MORNING. MODERATE TO LOCALLY STRONG OFFSHORE WINDS CONTINUING THROUGH THURSDAY. * OUTLOOK...WEAKER WINDS THURSDAY NIGHT INTO FRIDAY. HOWEVER... IT WILL CONTINUE HOT AND DRY ON FRIDAY EVEN AS WINDS WEAKEN. * 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 WILL CONTRIBUTE TO EXTREME FIRE BEHAVIOR. && $$ MOEDE
7 follow-up statements
698 WWUS86 KSGX 180944 RFWSGX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN DIEGO CA 244 AM PDT TUE OCT 18 2016 ...RED FLAG WARNING IN EFFECT FROM EARLY WEDNESDAY THROUGH THURSDAY FOR THE MOUNTAINS...VALLEYS AND INLAND ORANGE COUNTY... .MODERATE TO LOCALLY STRONG SANTA ANA WINDS WILL CREATE CRITICAL FIRE GROWTH CONDITIONS WEDNESDAY AND THURSDAY. WETTING RAINS IN THE SAN BERNARDINO FOOTHILLS AND THE SANTA ANA MOUNTAINS AND FOOTHILLS HAVE BRIEFLY INCREASED THE FUEL MOISTURE CONTENT. HOWEVER THE FUELS WILL DRY QUICKLY WITH THE ONSET OF THE SANTA ANA WINDS TONIGHT. THE STRONGEST WINDS ARE EXPECTED THROUGH AND BELOW THE MOUNTAIN PASSES AND INTO PORTIONS OF THE INLAND VALLEYS. THE WINDS WILL FIRST REACH THE CAJON PASS...THE INLAND EMPIRE...THE SANTA ANA MOUNTAINS AND FOOTHILLS AND INLAND ORANGE COUNTY LATE TONIGHT INTO WEDNESDAY MORNING. CRITICAL FIRE WEATHER CONDITIONS WILL SPREAD INTO SAN DIEGO COUNTY WEDNESDAY INTO THURSDAY. THE SANTA ANA WINDS WILL WEAKEN BY FRIDAY...BUT HOT AND DRY CONDITIONS WILL CONTINUE. CAZ248-250-255>258-265-554-182100- /O.CON.KSGX.FW.W.0007.161019T0900Z-161021T0300Z/ SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS - THE INLAND EMPIRE- SAN DIEGO COUNTY INLAND VALLEYS-SAN BERNARDINO COUNTY MOUNTAINS- INCLUDING THE MOUNTAIN TOP AND FRONT COUNTRY RANGER DISTRICTS OF THE SAN BERNARDINO NATIONAL FOREST-RIVERSIDE COUNTY MOUNTAINS- INCLUDING THE SAN JACINTO RANGER DISTRICT OF THE SAN BERNARDINO NATIONAL FOREST-SANTA ANA MOUNTAINS- INCLUDING THE TRABUCO RANGER DISTRICT OF THE CLEVELAND NATIONAL FOREST-SAN DIEGO COUNTY MOUNTAINS- INCLUDING THE PALOMAR AND DESCANSO RANGER DISTRICTS OF THE CLEVELAND NATIONAL FOREST-SAN GORGONIO PASS NEAR BANNING- ORANGE COUNTY INLAND AREAS- 244 AM PDT TUE OCT 18 2016 ...RED FLAG WARNING REMAINS IN EFFECT FROM 2 AM WEDNESDAY TO 8 PM PDT THURSDAY FOR STRONG GUSTY WINDS AND LOW HUMIDITIES FOR THE MOUNTAINS...VALLEYS AND INLAND ORANGE COUNTY... * WIND...NORTHEAST TO EAST 15 TO 30 MPH WITH GUSTS 40 TO 50 MPH. * HUMIDITY...FALLING BELOW 15 PERCENT EARLY WEDNESDAY AND MOSTLY IN THE SINGLE DIGITS WEDNESDAY AND THURSDAY. VERY POOR OVERNIGHT RECOVERIES...ESPECIALLY WHERE WINDS PERSIST. * TIMING...WINDS PICKING UP AND CONDITIONS DRYING OUT TUESDAY NIGHT AND EARLY WEDNESDAY MORNING. MODERATE TO LOCALLY STRONG OFFSHORE WINDS CONTINUING THROUGH THURSDAY. * OUTLOOK...WEAKER WINDS THURSDAY NIGHT INTO FRIDAY. HOWEVER... IT WILL CONTINUE HOT AND DRY ON FRIDAY EVEN AS WINDS WEAKEN. * 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 WILL CONTRIBUTE TO EXTREME FIRE BEHAVIOR. && $$ MM
350 WWUS86 KSGX 182152 RFWSGX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN DIEGO CA 252 PM PDT TUE OCT 18 2016 ...RED FLAG WARNING IN EFFECT FROM EARLY WEDNESDAY THROUGH THURSDAY FOR THE MOUNTAINS...VALLEYS AND INLAND ORANGE COUNTY... .MODERATE TO LOCALLY STRONG SANTA ANA WINDS WILL CREATE CRITICAL FIRE GROWTH CONDITIONS WEDNESDAY AND THURSDAY. WETTING RAINS FROM MONDAY IN THE SAN BERNARDINO FOOTHILLS AND THE SANTA ANA MOUNTAINS AND FOOTHILLS HAVE BRIEFLY INCREASED THE FUEL MOISTURE CONTENT. HOWEVER THE FUELS WILL DRY QUICKLY WITH THE ONSET OF THE SANTA ANA WINDS LATE TONIGHT. THE STRONGEST WINDS ARE EXPECTED THROUGH AND BELOW THE MOUNTAIN PASSES AND INTO PORTIONS OF THE INLAND VALLEYS. THE WINDS WILL FIRST REACH THE CAJON PASS...THE INLAND EMPIRE...THE SANTA ANA MOUNTAINS AND FOOTHILLS AND INLAND ORANGE COUNTY LATE TONIGHT INTO WEDNESDAY MORNING. CRITICAL FIRE WEATHER CONDITIONS WILL SPREAD INTO SAN DIEGO COUNTY BY MID- MORNING WEDNESDAY. WINDS WILL WEAKEN SOMEWHAT WEDNESDAY EVENING BUT INCREASE AGAIN VERY EARLY THURSDAY MORNING...BUT WITH LOWER SPEEDS THURSDAY THAN ON WEDNESDAY. THE SANTA ANA WINDS WILL WEAKEN BY FRIDAY...BUT HOT AND DRY CONDITIONS WILL CONTINUE. CAZ248-250-255>258-265-554-191200- /O.CON.KSGX.FW.W.0007.161019T0900Z-161021T0300Z/ SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS - THE INLAND EMPIRE- SAN DIEGO COUNTY INLAND VALLEYS-SAN BERNARDINO COUNTY MOUNTAINS- INCLUDING THE MOUNTAIN TOP AND FRONT COUNTRY RANGER DISTRICTS OF THE SAN BERNARDINO NATIONAL FOREST-RIVERSIDE COUNTY MOUNTAINS- INCLUDING THE SAN JACINTO RANGER DISTRICT OF THE SAN BERNARDINO NATIONAL FOREST-SANTA ANA MOUNTAINS- INCLUDING THE TRABUCO RANGER DISTRICT OF THE CLEVELAND NATIONAL FOREST-SAN DIEGO COUNTY MOUNTAINS- INCLUDING THE PALOMAR AND DESCANSO RANGER DISTRICTS OF THE CLEVELAND NATIONAL FOREST-SAN GORGONIO PASS NEAR BANNING- ORANGE COUNTY INLAND AREAS- 252 PM PDT TUE OCT 18 2016 ...RED FLAG WARNING REMAINS IN EFFECT FROM 2 AM WEDNESDAY TO 8 PM PDT THURSDAY FOR STRONG GUSTY WINDS AND LOW HUMIDITIES FOR THE MOUNTAINS...VALLEYS AND INLAND ORANGE COUNTY... * WIND...NORTHEAST TO EAST 15 TO 30 MPH WITH LOCAL GUSTS 40 TO 50 MPH. * HUMIDITY...FALLING BELOW 15 PERCENT EARLY WEDNESDAY AND MOSTLY IN THE SINGLE DIGITS WEDNESDAY AND THURSDAY. VERY POOR OVERNIGHT RECOVERIES...ESPECIALLY WHERE WINDS PERSIST. * TIMING...WINDS PICKING UP AND CONDITIONS DRYING OUT TUESDAY NIGHT AND EARLY WEDNESDAY MORNING. MODERATE TO LOCALLY STRONG OFFSHORE WINDS CONTINUING THROUGH THURSDAY. * OUTLOOK...WEAKER WINDS THURSDAY NIGHT INTO FRIDAY. HOWEVER... IT WILL CONTINUE HOT AND DRY ON FRIDAY EVEN AS WINDS WEAKEN. * 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 WILL CONTRIBUTE TO EXTREME FIRE BEHAVIOR. && $$ MAXWELL
248 WWUS86 KSGX 191129 RFWSGX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN DIEGO CA 429 AM PDT WED OCT 19 2016 ...RED FLAG WARNING IN EFFECT FROM EARLY WEDNESDAY THROUGH THURSDAY FOR THE MOUNTAINS...VALLEYS AND INLAND ORANGE COUNTY... .MODERATE SANTA ANA WINDS AND VERY LOW HUMIDITY WILL CREATE CRITICAL WEATHER CONDITIONS TODAY AND THURSDAY. THE STRONGEST WINDS ARE EXPECTED THROUGH AND BELOW THE PASSES AND INTO PORTIONS OF THE INLAND VALLEYS. GUSTY WINDS HAVE DEVELOPED BELOW THE CAJON PASS...THE INLAND EMPIRE...THE SANTA ANA MOUNTAINS AND FOOTHILLS AND INLAND ORANGE COUNTY. CRITICAL FIRE WEATHER CONDITIONS WILL SPREAD INTO SAN DIEGO COUNTY BY MID- MORNING TODAY. WINDS WILL WEAKEN SLIGHTLY THIS EVENING BUT INCREASE AGAIN LATE TONIGHT. THE SANTA ANA WINDS WILL WEAKEN BY FRIDAY...BUT HOT AND DRY CONDITIONS WILL CONTINUE. CAZ248-250-255>258-265-554-192100- /O.CON.KSGX.FW.W.0007.000000T0000Z-161021T0300Z/ SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS - THE INLAND EMPIRE- SAN DIEGO COUNTY INLAND VALLEYS-SAN BERNARDINO COUNTY MOUNTAINS- INCLUDING THE MOUNTAIN TOP AND FRONT COUNTRY RANGER DISTRICTS OF THE SAN BERNARDINO NATIONAL FOREST-RIVERSIDE COUNTY MOUNTAINS- INCLUDING THE SAN JACINTO RANGER DISTRICT OF THE SAN BERNARDINO NATIONAL FOREST-SANTA ANA MOUNTAINS- INCLUDING THE TRABUCO RANGER DISTRICT OF THE CLEVELAND NATIONAL FOREST-SAN DIEGO COUNTY MOUNTAINS- INCLUDING THE PALOMAR AND DESCANSO RANGER DISTRICTS OF THE CLEVELAND NATIONAL FOREST-SAN GORGONIO PASS NEAR BANNING- ORANGE COUNTY INLAND AREAS- 429 AM PDT WED OCT 19 2016 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THURSDAY FOR STRONG GUSTY WINDS AND LOW HUMIDITIES FOR THE MOUNTAINS...VALLEYS AND INLAND ORANGE COUNTY... * WIND...NORTHEAST TO EAST 15 TO 25 MPH WITH LOCAL GUSTS 35 TO 50 MPH. * HUMIDITY...FALLING BELOW 15 PERCENT BY LATE MORNING AND MOSTLY IN THE SINGLE DIGITS THIS AFTERNOON AND AGAIN THURSDAY AFTERNOON. VERY POOR OVERNIGHT RECOVERIES...ESPECIALLY WHERE WINDS PERSIST. * TIMING...THROUGH THURSDAY EVENING. * OUTLOOK...WEAKER WINDS THURSDAY NIGHT INTO FRIDAY. HOWEVER... HOT AND VERY DRY CONDITIONS WILL PERSIST ON FRIDAY. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. 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 WILL CONTRIBUTE TO EXTREME FIRE BEHAVIOR. && $$ SS
372 WWUS86 KSGX 192049 RFWSGX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN DIEGO CA 149 PM PDT WED OCT 19 2016 ...RED FLAG WARNING IN EFFECT FROM EARLY WEDNESDAY THROUGH THURSDAY FOR THE MOUNTAINS...VALLEYS AND INLAND ORANGE COUNTY... .MODERATE SANTA ANA WINDS AND VERY LOW HUMIDITY WILL CREATE CRITICAL WEATHER CONDITIONS THROUGH THURSDAY. THE STRONGEST WINDS WILL CONTINUE TO BE BELOW THE CAJON PASS...THE INLAND EMPIRE...THE SANTA ANA MOUNTAINS AND FOOTHILLS...INLAND ORANGE COUNTY AND THE FOOTHILLS AND WEST SLOPES OF THE SAN DIEGO COUNTY MOUNTAINS. WINDS WILL WEAKEN SLIGHTLY LATE THIS AFTERNOON AND THIS EVENING BUT INCREASE AGAIN LATE TONIGHT. THE SANTA ANA WINDS WILL WEAKEN BY FRIDAY...BUT HOT AND DRY CONDITIONS WILL CONTINUE THEN. COOLER WEATHER WITH HIGHER HUMIDITY WILL OCCUR SATURDAY. CAZ248-250-255>258-265-554-201200- /O.CON.KSGX.FW.W.0007.000000T0000Z-161021T0300Z/ SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS - THE INLAND EMPIRE- SAN DIEGO COUNTY INLAND VALLEYS-SAN BERNARDINO COUNTY MOUNTAINS- INCLUDING THE MOUNTAIN TOP AND FRONT COUNTRY RANGER DISTRICTS OF THE SAN BERNARDINO NATIONAL FOREST-RIVERSIDE COUNTY MOUNTAINS- INCLUDING THE SAN JACINTO RANGER DISTRICT OF THE SAN BERNARDINO NATIONAL FOREST-SANTA ANA MOUNTAINS- INCLUDING THE TRABUCO RANGER DISTRICT OF THE CLEVELAND NATIONAL FOREST-SAN DIEGO COUNTY MOUNTAINS- INCLUDING THE PALOMAR AND DESCANSO RANGER DISTRICTS OF THE CLEVELAND NATIONAL FOREST-SAN GORGONIO PASS NEAR BANNING- ORANGE COUNTY INLAND AREAS- 149 PM PDT WED OCT 19 2016 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THURSDAY FOR STRONG GUSTY WINDS AND LOW HUMIDITIES FOR THE MOUNTAINS...VALLEYS AND INLAND ORANGE COUNTY... * WIND...NORTHEAST TO EAST 15 TO 25 MPH WITH LOCAL GUSTS 35 TO 50 MPH. * HUMIDITY...MINIMUMS OF 7 TO 12 PERCENT THIS AFTERNOON AND 6 TO 10 PERCENT THURSDAY. VERY POOR OVERNIGHT RECOVERIES...ESPECIALLY WHERE WINDS PERSIST. * TIMING...THROUGH EARLY THURSDAY EVENING. * OUTLOOK...WEAKER WINDS THURSDAY NIGHT INTO FRIDAY. HOWEVER... HOT AND VERY DRY CONDITIONS WILL PERSIST ON FRIDAY. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. 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 WILL CONTRIBUTE TO EXTREME FIRE BEHAVIOR. && $$ MAXWELL
574 WWUS86 KSGX 201149 RFWSGX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN DIEGO CA 449 AM PDT THU OCT 20 2016 ...RED FLAG WARNING CONTINUES THROUGH THIS EVENING FOR THE MOUNTAINS...VALLEYS AND INLAND ORANGE COUNTY... .SANTA ANA WINDS AND VERY LOW HUMIDITY WILL CREATE CRITICAL WEATHER CONDITIONS ONCE AGAIN TODAY. THE STRONGEST WINDS WILL CONTINUE TO BE BELOW THE CAJON PASS...THE INLAND EMPIRE... THE SANTA ANA MOUNTAINS AND FOOTHILLS...INLAND ORANGE COUNTY AND THE FOOTHILLS AND WEST SLOPES OF THE SAN DIEGO COUNTY MOUNTAINS. THE SANTA ANA WINDS WILL WEAKEN BY FRIDAY...BUT HOT AND DRY CONDITIONS WILL CONTINUE. COOLER WEATHER WITH HIGHER HUMIDITY WILL OCCUR SATURDAY, AND A CHANCE FOR SOME LIGHT RAIN BY SUNDAY. CAZ248-250-255>258-265-554-202100- /O.CON.KSGX.FW.W.0007.000000T0000Z-161021T0300Z/ SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS - THE INLAND EMPIRE- SAN DIEGO COUNTY INLAND VALLEYS-SAN BERNARDINO COUNTY MOUNTAINS- INCLUDING THE MOUNTAIN TOP AND FRONT COUNTRY RANGER DISTRICTS OF THE SAN BERNARDINO NATIONAL FOREST-RIVERSIDE COUNTY MOUNTAINS- INCLUDING THE SAN JACINTO RANGER DISTRICT OF THE SAN BERNARDINO NATIONAL FOREST-SANTA ANA MOUNTAINS- INCLUDING THE TRABUCO RANGER DISTRICT OF THE CLEVELAND NATIONAL FOREST-SAN DIEGO COUNTY MOUNTAINS- INCLUDING THE PALOMAR AND DESCANSO RANGER DISTRICTS OF THE CLEVELAND NATIONAL FOREST-SAN GORGONIO PASS NEAR BANNING- ORANGE COUNTY INLAND AREAS- 449 AM PDT THU OCT 20 2016 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING FOR STRONG GUSTY WINDS AND LOW HUMIDITIES FOR THE MOUNTAINS...VALLEYS AND INLAND ORANGE COUNTY... * WIND...NORTHEAST TO EAST 15 TO 25 MPH WITH OCCASIONAL GUSTS 35 TO 50 MPH. * HUMIDITY...MINIMUMS OF 6 TO 10 PERCENT. * TIMING...THROUGH THIS EVENING. * OUTLOOK...WEAKER WINDS TONIGHT INTO FRIDAY. HOWEVER... HOT AND VERY DRY CONDITIONS WILL PERSIST ON FRIDAY. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. 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 WILL CONTRIBUTE TO EXTREME FIRE BEHAVIOR. && $$ JMB
574 WWUS86 KSGX 202018 RFWSGX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN DIEGO CA 118 PM PDT THU OCT 20 2016 ...RED FLAG WARNING CONTINUES THROUGH THIS EVENING FOR THE MOUNTAINS...VALLEYS AND INLAND ORANGE COUNTY... .SANTA ANA WINDS AND VERY LOW HUMIDITY WILL CONTINUE CRITICAL WEATHER CONDITIONS TODAY. THE STRONGEST WINDS WILL CONTINUE TO BE BELOW THE CAJON PASS...THE INLAND EMPIRE...THE SANTA ANA MOUNTAINS AND FOOTHILLS...INLAND ORANGE COUNTY AND THE FOOTHILLS AND WEST SLOPES OF THE SAN DIEGO COUNTY MOUNTAINS. THE SANTA ANA WINDS WILL WEAKEN THIS EVENING AND FURTHER ON FRIDAY...BUT HOT AND DRY CONDITIONS WILL CONTINUE. COOLER WEATHER WITH HIGHER HUMIDITY WILL ARRIVE SATURDAY...AND A CHANCE FOR SOME LIGHT RAIN BY SUNDAY. CAZ248-250-255>258-265-554-210300- /O.CON.KSGX.FW.W.0007.000000T0000Z-161021T0300Z/ SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS - THE INLAND EMPIRE- SAN DIEGO COUNTY INLAND VALLEYS-SAN BERNARDINO COUNTY MOUNTAINS- INCLUDING THE MOUNTAIN TOP AND FRONT COUNTRY RANGER DISTRICTS OF THE SAN BERNARDINO NATIONAL FOREST-RIVERSIDE COUNTY MOUNTAINS- INCLUDING THE SAN JACINTO RANGER DISTRICT OF THE SAN BERNARDINO NATIONAL FOREST-SANTA ANA MOUNTAINS- INCLUDING THE TRABUCO RANGER DISTRICT OF THE CLEVELAND NATIONAL FOREST-SAN DIEGO COUNTY MOUNTAINS- INCLUDING THE PALOMAR AND DESCANSO RANGER DISTRICTS OF THE CLEVELAND NATIONAL FOREST-SAN GORGONIO PASS NEAR BANNING- ORANGE COUNTY INLAND AREAS- 118 PM PDT THU OCT 20 2016 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING FOR STRONG GUSTY WINDS AND LOW HUMIDITIES FOR THE MOUNTAINS...VALLEYS AND INLAND ORANGE COUNTY... * WIND...NORTHEAST TO EAST 15 TO 25 MPH WITH OCCASIONAL GUSTS 35 TO 45 MPH. * HUMIDITY...MINIMUMS OF 6 TO 10 PERCENT. * TIMING...THROUGH THIS EVENING. * OUTLOOK...WEAKER WINDS TONIGHT INTO FRIDAY. HOWEVER... HOT AND VERY DRY CONDITIONS WILL PERSIST ON FRIDAY. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. 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 WILL CONTRIBUTE TO EXTREME FIRE BEHAVIOR. && $$ TS
734 WWUS86 KSGX 210300 RFWSGX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN DIEGO CA 800 PM PDT THU OCT 20 2016 .THE RED FLAG WARNING WILL EXPIRE AT 8 PM. CAZ248-250-255>258-265-554-210400- /O.EXP.KSGX.FW.W.0007.000000T0000Z-161021T0300Z/ SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS - THE INLAND EMPIRE- SAN DIEGO COUNTY INLAND VALLEYS-SAN BERNARDINO COUNTY MOUNTAINS- INCLUDING THE MOUNTAIN TOP AND FRONT COUNTRY RANGER DISTRICTS OF THE SAN BERNARDINO NATIONAL FOREST-RIVERSIDE COUNTY MOUNTAINS- INCLUDING THE SAN JACINTO RANGER DISTRICT OF THE SAN BERNARDINO NATIONAL FOREST-SANTA ANA MOUNTAINS- INCLUDING THE TRABUCO RANGER DISTRICT OF THE CLEVELAND NATIONAL FOREST-SAN DIEGO COUNTY MOUNTAINS- INCLUDING THE PALOMAR AND DESCANSO RANGER DISTRICTS OF THE CLEVELAND NATIONAL FOREST-SAN GORGONIO PASS NEAR BANNING- ORANGE COUNTY INLAND AREAS- 800 PM PDT THU OCT 20 2016 ...RED FLAG WARNING WILL EXPIRE AT 8 PM PDT THIS EVENING FOR STRONG GUSTY WINDS AND LOW HUMIDITIES FOR THE MOUNTAINS...VALLEYS AND INLAND ORANGE COUNTY... CONDITIONS HAVE IMPROVED ACROSS THE REGION WITH WINDS NOW GUSTING 25 MPH OR LESS IN MOST AREAS...THEREFORE CRITICAL FIRE WEATHER CONDITIONS ARE NO LONGER EXPECTED. THOUGH WINDS HAVE WEAKENED...RH VALUES WILL REMAIN LOW INTO FRIDAY. THIS WILL KEEP FIRE WEATHER CONDITIONS ELEVATED BUT BELOW RED FLAG THRESHOLDS. SIGNIFICANT IMPROVEMENT IS EXPECTED OVER THE WEEKEND AND INTO EARLY NEXT WEEK AS ONSHORE FLOW BRINGS INCREASED HUMIDITY. $$ ALBRIGHT
Nearby
Red Flag Warnings in California, 2016Every red flag warning in 2016
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.