Alert archive / California / Red Flag Warnings in 2016

Red Flag Warning 3, NWS San Francisco Bay Area, CA

September 24, 2016

NWS San Francisco Bay Area, CA issued this red flag warning at Sep 24, 2016, 5:10 AM PDT. It took effect at Sep 24, 2016, 9:00 PM PDT. It was in force for 21 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
Sep 24, 2016, 5:10 AM PDT (12:10 UTC)
In effect from
Sep 24, 2016, 9:00 PM PDT
Expired
Sep 25, 2016, 6:00 PM PDT
In force
21 hr
Issued by
NWS San Francisco Bay Area, CA

The text

As transmitted.

049 
WWUS86 KMTR 241210
RFWMTR

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN FRANCISCO CA
510 AM PDT SAT SEP 24 2016

...STRONG AND GUSTY OFFSHORE WINDS IN THE NORTH BAY MOUNTAINS
TONIGHT AND SUNDAY MORNING ALONG WITH HOT AND DRY CONDITIONS...

.STRONG HIGH PRESSURE WILL BUILD OVER THE REGION THIS WEEKEND AND
RESULT IN HOT AND DRY CONDITIONS BY SUNDAY. IN ADDITION...LOCALLY
STRONG AND GUSTY NORTH TO NORTHEAST WINDS ARE FORECAST TO DEVELOP
IN THE NORTH BAY MOUNTAINS ON SATURDAY NIGHT AND CONTINUE THROUGH
SUNDAY MORNING. STRONGEST WINDS ARE EXPECTED OVER THE HIGHER
RIDGES AND PEAKS IN NORTHERN SONOMA COUNTY AND NORTHERN NAPA
COUNTY. WINDS ARE FORECAST TO DECREASE SUNDAY AFTERNOON. HOT AND
DRY CONDITIONS WILL CONTINUE THROUGH MONDAY.


CAZ507-242200-
/O.NEW.KMTR.FW.W.0003.160925T0400Z-160925T2200Z/
NORTH BAY MOUNTAINS-
510 AM PDT SAT SEP 24 2016

...RED FLAG WARNING IN EFFECT FROM 9 PM THIS EVENING TO 3 PM PDT
SUNDAY FOR STRONG AND GUSTY NORTH TO NORTHEAST WINDS AND HOT AND
DRY CONDITIONS FOR FIRE WEATHER ZONE 507...

THE NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA HAS ISSUED A
RED FLAG WARNING...WHICH IS IN EFFECT FROM 9 PM THIS EVENING TO 3
PM PDT SUNDAY.

* AFFECTED AREA...FIRE WEATHER ZONE 507...THE NORTH BAY MOUNTAINS.
  STRONGEST WINDS EXPECTED ABOVE 1500 FEET IN NORTHERN SONOMA
  COUNTY AND NORTHERN NAPA COUNTY.

* WIND...NORTH TO NORTHEAST WINDS INCREASING TO 15 TO 25 MPH ON
  SATURDAY NIGHT WITH GUSTS AS HIGH AS 45 MPH AFTER MIDNIGHT.
  WINDS REMAINING STRONG AND GUSTY THROUGH SUNDAY MORNING AND THEN
  SLOWLY DIMINISHING SUNDAY AFTERNOON.

* HUMIDITY...RELATIVE HUMIDITY VALUES DROPPING TO 15 TO 25%
  SATURDAY AFTERNOON WITH LITTLE RECOVERY EXPECTED ABOVE 2000 FEET
  ON SATURDAY NIGHT. HUMIDITY VALUES FORECAST TO DROP TO AS LOW AS
  10% ON SUNDAY.

* 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.

&&

$$

DYKEMA
3 follow-up statements
148 
WWUS86 KMTR 242053
RFWMTR

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN FRANCISCO CA
153 PM PDT SAT SEP 24 2016

...STRONG AND GUSTY OFFSHORE WINDS IN THE NORTH BAY MOUNTAINS
TONIGHT AND SUNDAY MORNING ALONG WITH HOT AND DRY CONDITIONS...

.STRONG HIGH PRESSURE WILL BUILD OVER THE REGION THROUGH THE
REMAINDER OF THIS WEEKEND AND RESULT IN HOT AND DRY CONDITIONS BY
SUNDAY. IN ADDITION...LOCALLY STRONG AND GUSTY NORTH TO NORTHEAST
WINDS ARE FORECAST TO DEVELOP IN THE NORTH BAY MOUNTAINS ON
TONIGHT AND CONTINUE THROUGH SUNDAY MORNING. THE STRONGEST WINDS
ARE EXPECTED OVER THE HIGHER RIDGES AND PEAKS IN NORTHERN SONOMA
COUNTY AND NORTHERN NAPA COUNTIES. WINDS ARE FORECAST TO DIMINISH
SUNDAY AFTERNOON. HOT AND DRY CONDITIONS WILL CONTINUE THROUGH
MONDAY.

CAZ507-251215-
/O.CON.KMTR.FW.W.0003.160925T0400Z-160925T2200Z/
NORTH BAY MOUNTAINS-
153 PM PDT SAT SEP 24 2016

...RED FLAG WARNING REMAINS IN EFFECT FROM 9 PM THIS EVENING TO
3 PM PDT SUNDAY FOR STRONG AND GUSTY NORTH TO NORTHEAST WINDS AND
HOT AND DRY CONDITIONS FOR FIRE WEATHER ZONE 507...

* AFFECTED AREA...FIRE WEATHER ZONE 507...THE NORTH BAY 
  MOUNTAINS. STRONGEST WINDS EXPECTED ABOVE 1500 FEET IN 
  NORTHERN SONOMA COUNTY AND NORTHERN NAPA COUNTY. 

* WIND...NORTH TO NORTHEAST WINDS INCREASING TO 15 TO 25 MPH
  TONIGHT WITH GUSTS AS HIGH AS 45 MPH AFTER MIDNIGHT. WINDS
  REMAINING STRONG AND GUSTY THROUGH SUNDAY MORNING AND THEN
  SLOWLY DIMINISHING SUNDAY AFTERNOON.

* HUMIDITY...RELATIVE HUMIDITY VALUES DROPPING TO 15 TO 25% THIS
  AFTERNOON WITH LITTLE RECOVERY EXPECTED ABOVE 2000 FEET ON
  SATURDAY NIGHT. HUMIDITY VALUES FORECAST TO DROP TO AS LOW AS
  10% ON SUNDAY.

* 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.

&&

$$
941 
WWUS86 KMTR 251145
RFWMTR

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN FRANCISCO CA
445 AM PDT SUN SEP 25 2016

...STRONG AND GUSTY OFFSHORE WINDS IN THE NORTH BAY MOUNTAINS
THROUGH THIS MORNING ALONG WITH HOT AND DRY CONDITIONS...

.STRONG HIGH PRESSURE WILL REMAIN OVER THE REGION THROUGH MONDAY
AND RESULT IN HOT AND DRY CONDITIONS. IN ADDITION...LOCALLY GUSTY
NORTHEAST WINDS WILL CONTINUE IN THE NORTH BAY MOUNTAINS THROUGH
THIS MORNING. THE STRONGEST WINDS ARE EXPECTED OVER THE HIGHER
RIDGES AND PEAKS IN NORTHERN SONOMA COUNTY AND NORTHERN NAPA
COUNTY. WINDS ARE FORECAST TO DIMINISH THIS AFTERNOON. HOT AND
DRY CONDITIONS WILL CONTINUE THROUGH MONDAY WITH ONLY MODEST
COOLING EXPECTED ON TUESDAY. MUCH MORE SIGNIFICANT COOLING WILL
OCCUR BY WEDNESDAY.

CAZ507-252200-
/O.CON.KMTR.FW.W.0003.000000T0000Z-160925T2200Z/
NORTH BAY MOUNTAINS-
445 AM PDT SUN SEP 25 2016

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 3 PM PDT THIS
AFTERNOON FOR GUSTY NORTH TO NORTHEAST WINDS AND HOT AND DRY
CONDITIONS FOR FIRE WEATHER ZONE 507...

* AFFECTED AREA...FIRE WEATHER ZONE 507...THE NORTH BAY MOUNTAINS.
  STRONGEST WINDS EXPECTED ABOVE 1500 FEET.

* WIND...NORTH TO NORTHEAST WINDS 10 TO 20 MPH THIS MORNING WITH
  GUSTS AS HIGH AS 35 MPH. WINDS SLOWLY DIMINISHING THIS AFTERNOON.

* HUMIDITY...RELATIVE HUMIDITY VALUES OF 15 TO 30% THIS MORNING
  DROPPING AS LOW AS THE SINGLE DIGITS THIS AFTERNOON AND MONDAY.
 
* 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.

&&

$$
705 
WWUS86 KMTR 252146
RFWMTR

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN FRANCISCO CA
246 PM PDT SUN SEP 25 2016

...STRONG AND GUSTY OFFSHORE WINDS IN THE NORTH BAY MOUNTAINS
THROUGH THIS 6PM THIS EVENING ALONG WITH HOT AND DRY
CONDITIONS...

.STRONG HIGH PRESSURE WILL REMAIN OVER THE REGION THROUGH MONDAY
AND RESULT IN HOT AND DRY CONDITIONS. IN ADDITION...LOCALLY GUSTY
NORTHEAST WINDS WILL CONTINUE IN THE NORTH BAY MOUNTAINS THROUGH
6PM THIS EVENING. THE STRONGEST WINDS ARE EXPECTED OVER THE
HIGHER RIDGES AND PEAKS IN NORTHERN SONOMA COUNTY AND NORTHERN
NAPA COUNTY. WINDS ARE FORECAST TO DIMINISH OVERNIGHT. HOT AND
DRY CONDITIONS WILL CONTINUE THROUGH MONDAY WITH ONLY MODEST
COOLING EXPECTED ON TUESDAY. MUCH MORE SIGNIFICANT COOLING WILL
OCCUR BY WEDNESDAY.

CAZ507-260100-
/O.EXT.KMTR.FW.W.0003.000000T0000Z-160926T0100Z/
NORTH BAY MOUNTAINS-
246 PM PDT SUN SEP 25 2016

...RED FLAG WARNING HAS BEEN EXTENDED UNTIL 6 PM PDT THIS EVENING
FOR GUSTY NORTH TO NORTHEAST WINDS AND HOT AND DRY CONDITIONS FOR
FIRE WEATHER ZONE 507...

* AFFECTED AREA...FIRE WEATHER ZONE 507...THE NORTH BAY 
  MOUNTAINS. STRONGEST WINDS EXPECTED ABOVE 1500 FEET. 

* WIND...NORTH TO NORTHEAST WINDS 10 TO 20 MPH THIS MORNING 
  WITH GUSTS AS HIGH AS 35 MPH. WINDS SLOWLY DIMINISHING THIS 
  AFTERNOON.

* HUMIDITY...RELATIVE HUMIDITY VALUES OF 15 TO 30% THIS MORNING 
  DROPPING AS LOW AS THE SINGLE DIGITS THIS AFTERNOON AND 
  MONDAY.

* 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.

&&

$$

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.