Alert archive / California / Red Flag Warnings in 2016
Red Flag Warning 1, NWS San Francisco Bay Area, CA
NWS San Francisco Bay Area, CA issued this red flag warning at Jun 10, 2016, 2:37 PM PDT. It took effect at Jun 11, 2016, 5:00 AM PDT. It was in force for 10 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 10, 2016, 2:37 PM PDT (21:37 UTC)
- In effect from
- Jun 11, 2016, 5:00 AM PDT
- Expired
- Jun 11, 2016, 3:00 PM PDT
- In force
- 10 hr
- Issued by
- NWS San Francisco Bay Area, CA
The text
As transmitted.
693 WWUS86 KMTR 102137 RFWMTR URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN FRANCISCO CA 237 PM PDT FRI JUN 10 2016 ...DRY AND GUSTY NORTH WINDS EXPECTED IN THE NORTH BAY MOUNTAINS FROM LATE FRIDAY NIGHT THROUGH MIDDAY SUNDAY... .NORTHERLY WINDS WILL INCREASE ACROSS THE NORTH BAY MOUNTAINS LATE FRIDAY NIGHT AS HIGH PRESSURE BUILDS INLAND ACROSS FAR NORTHERN CALIFORNIA. LOCALLY STRONG AND GUSTY WINDS WILL THEN CONTINUE THROUGH SATURDAY MORNING. THESE WINDS WILL BRING A MUCH DRIER AIRMASS INTO THE REGION BY SATURDAY MORNING. WINDS WILL DECREASE FOR A TIME SATURDAY AFTERNOON AND EVENING AND THEN INCREASE AGAIN LATE SATURDAY NIGHT INTO EARLY SUNDAY. GUSTY OFFSHORE WINDS AND LOW RELATIVE HUMIDITY WILL RESULT IN INCREASED FIRE DANGER. FIRE DANGER WILL SUBSIDE BY MIDDAY SUNDAY AS WINDS DECREASE. CAZ507-111300- /O.NEW.KMTR.FW.W.0001.160611T1200Z-160612T1900Z/ NORTH BAY MOUNTAINS- 237 PM PDT FRI JUN 10 2016 ...RED FLAG WARNING IN EFFECT FROM 5 AM SATURDAY TO NOON PDT SUNDAY FOR GUSTY NORTHERLY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 507... THE NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 5 AM SATURDAY TO NOON PDT SUNDAY FOR THE NORTH BAY MOUNTAINS. * AFFECTED AREA...FIRE WEATHER ZONE 507...NORTH BAY MOUNTAINS. * WIND...NORTH WINDS INCREASING TO 15 TO 25 MPH WITH GUSTS TO 35 MPH BY LATE FRIDAY NIGHT...CONTINUING THROUGH SATURDAY MORNING. WINDS WILL SUBSIDE SOMEWHAT ON SATURDAY AFTERNOON AND EVENING...BUT THEN INCREASE AGAIN ON SATURDAY NIGHT AND EARLY SUNDAY MORNING. * HUMIDITY...RELATIVE HUMIDITY VALUES WILL DROP AS LOW AS THE SINGLE DIGITS ON SATURDAY. VERY POOR HUMIDITY RECOVERIES ARE EXPECTED SATURDAY NIGHT. * TIMING...STRONGEST WINDS ARE EXPECTED LATE FRIDAY NIGHT AND SATURDAY MORNING AND THEN AGAIN SATURDAY NIGHT THROUGH LATE SUNDAY MORNING. * 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. && $$
2 follow-up statements
597 WWUS86 KMTR 111142 RFWMTR URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN FRANCISCO CA 442 AM PDT SAT JUN 11 2016 ...DRY AND GUSTY NORTH WINDS EXPECTED IN THE NORTH BAY MOUNTAINS TODAY INTO SUNDAY... .NORTHERLY WINDS WILL INCREASE ACROSS THE NORTH BAY MOUNTAINS TODAY AS HIGH PRESSURE BUILDS INLAND OVER FAR NORTHERN CALIFORNIA. THESE WINDS WILL BE LOCALLY STRONG AND GUSTY AT TIMES AND WILL ADVECT A MUCH DRIER AIR MASS INTO THE REGION. WINDS MAY WEAKEN FOR A PERIOD OF TIME THIS AFTERNOON AND EVENING AND THEN INCREASE AGAIN LATE TONIGHT INTO EARLY SUNDAY. THESE CONDITIONS ALONG WITH DRY FUELS WILL RESULT IN INCREASED FIRE DANGER THROUGH EARLY SUNDAY. CAZ507-112200- /O.CON.KMTR.FW.W.0001.160611T1200Z-160612T1900Z/ NORTH BAY MOUNTAINS- 442 AM PDT SAT JUN 11 2016 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL NOON PDT SUNDAY FOR GUSTY NORTHERLY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 507... * AFFECTED AREA...FIRE WEATHER ZONE 507...NORTH BAY MOUNTAINS. * WIND...NORTH WINDS INCREASING TO 15 TO 25 MPH WITH GUSTS TO 35 MPH. WINDS MAY SUBSIDE BRIEFLY THIS AFTERNOON AND EVENING...BUT THEN INCREASE AGAIN TONIGHT AND EARLY SUNDAY MORNING. * HUMIDITY...RELATIVE HUMIDITY VALUES WILL DROP AS LOW AS THE SINGLE DIGITS. VERY POOR HUMIDITY RECOVERIES ARE EXPECTED TONIGHT. * TIMING...STRONGEST WINDS ARE EXPECTED THIS MORNING AND THEN AGAIN TONIGHT THROUGH LATE SUNDAY MORNING. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES CAN CONTRIBUTE TO EXTREME FIRE BEHAVIOR. && $$
181 WWUS86 KMTR 112200 RFWMTR URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN FRANCISCO CA 300 PM PDT SAT JUN 11 2016 CAZ507-112300- /O.CAN.KMTR.FW.W.0001.000000T0000Z-160612T1900Z/ NORTH BAY MOUNTAINS- 300 PM PDT SAT JUN 11 2016 ...RED FLAG WARNING IS CANCELLED FOR GUSTY NORTHERLY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 507... THE NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA HAS CANCELLED THE RED FLAG WARNING FOR THE NORTH BAY MOUNTAINS. NORTHERLY WINDS ACROSS SONOMA AND NAPA COUNTIES HAVE NOT BEEN AS STRONG AS EXPECTED AND RELATIVE HUMIDITY VALUES HAVE NOT DECREASED AS MUCH AS FORECAST. THEREFORE...THE RED FLAG WARNING FOR THE NORTH BAY MOUNTAINS HAS BEEN CANCELLED. LOCALLY BREEZY CONDITIONS WILL CONTINUE IN THE HILLS THROUGH EARLY SUNDAY MORNING AND RELATIVELY HUMIDITY RECOVERIES WILL BE RATHER POOR AT THE HIGHER ELEVATIONS TONIGHT. RELATIVE HUMIDITY VALUES WILL INCREASE SIGNIFICANTLY EARLY NEXT WEEK AND WIDESPREAD COOLING IS EXPECTED AS WELL. $$
The office that day
Everything else NWS San Francisco Bay Area, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 10, 8:54 AM PDT | Gale Warning | MTR | 17 hr | |
| Jun 10, 8:54 AM PDT | Small Craft Advisory | MTR | 29 hr |
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.