Alert archive / California / Red Flag Warnings in 2013

Red Flag Warning 3, NWS Sacramento, CA

June 6, 2013

NWS Sacramento, CA issued this red flag warning at Jun 6, 2013, 2:00 PM PDT. It took effect at Jun 7, 2013, 2:00 PM PDT. It was in force for 27 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 6, 2013, 2:00 PM PDT (21:00 UTC)
In effect from
Jun 7, 2013, 2:00 PM PDT
Expired
Jun 8, 2013, 5:00 PM PDT
In force
27 hr
Issued by
NWS Sacramento, CA

The text

As transmitted, in the capitals the NWS used until 2016.

816 
WWUS86 KSTO 062100
RFWSTO

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SACRAMENTO CA
200 PM PDT THU JUN 6 2013

...VERY HOT AND DRY WITH SOME BREEZY NORTHERLY WINDS FRIDAY AND
SATURDAY...

STRONG HIGH PRESSURE OFF THE COAST WILL BUILD INTO NORTHERN
CALIFORNIA FRIDAY AND SATURDAY CAUSING VERY HOT TEMPERATURES AND
DRY NORTHERLY BREEZES.

RECORD HIGH TEMPERATURES ARE LIKELY ALONG WITH VERY WARM
OVERNIGHT TEMPERATURES ESPECIALLY IN THERMAL BELT AREAS. VERY LOW
MINIMUM HUMIDITY IS EXPECTED DURING THE DAY ALONG WITH POOR
HUMIDITY RECOVERY IN MANY AREAS OVERNIGHT.

CAZ216-062200-
/O.CAN.KSTO.FW.A.0003.130607T1800Z-130609T0000Z/
CENTRAL SACRAMENTO VALLEY IN GLENN, COLUSA, YUBA, NORTHERN
SUTTER, AND BUTTE COUNTY BELOW 1000 FT-
200 PM PDT THU JUN 6 2013

...FIRE WEATHER WATCH IS CANCELLED FOR WIND AND LOW RELATIVE
HUMIDITY FOR FIRE WEATHER ZONE 216...

THE NATIONAL WEATHER SERVICE IN SACRAMENTO HAS CANCELLED THE FIRE
WEATHER WATCH. COMBINED WIND AND HUMIDITY VALUES ARE EXPECTED TO
REMAIN ABOVE RED FLAG CRITERIA.

INTERACT WITH US VIA SOCIAL MEDIA
WWW.FACEBOOK.COM/NWS.SACRAMENTO
WWW.TWITTER.COM/NWSSACRAMENTO

$$

CAZ213-215-263-266-279-071200-
/O.UPG.KSTO.FW.A.0003.130607T1800Z-130609T0000Z/
/O.NEW.KSTO.FW.W.0003.130607T2100Z-130609T0000Z/
EASTERN PORTION OF SHASTA/TRINITY NF-
NORTHERN SACRAMENTO VALLEY TO SOUTHERN TEHAMA COUNTY LINE BELOW
1000 FT-SOUTHEAST EDGE SHASTA-
TRINITY NF AND WESTERN PORTIONS OF TEHAMA-GLENN UNIT-
NORTHERN SIERRA FOOTHILLS FROM 1000 TO 3000 FT. INCLUDES PORTIONS
OF SHASTA-TRINITY AND BUTTE UNITS-EASTERN MENDOCINO NF-
200 PM PDT THU JUN 6 2013

...RED FLAG WARNING IN EFFECT FROM 2 PM FRIDAY TO 5 PM PDT
SATURDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER
ZONES 213...215...263...266 AND 279...

THE NATIONAL WEATHER SERVICE IN SACRAMENTO HAS ISSUED A RED FLAG
WARNING FOR WIND AND LOW RELATIVE HUMIDITY...WHICH IS IN EFFECT
FROM 2 PM FRIDAY TO 5 PM PDT SATURDAY. THE FIRE WEATHER WATCH IS
NO LONGER IN EFFECT.

* AFFECTED AREA...FIRE WEATHER ZONE 213 EASTERN PORTION OF 
  SHASTA/TRINITY NF...FIRE WEATHER ZONE 215 NORTHERN SACRAMENTO 
  VALLEY TO SOUTHERN TEHAMA COUNTY LINE BELOW 1000 FT...FIRE 
  WEATHER ZONE 263 SOUTHEAST EDGE SHASTA-TRINITY NF AND WESTERN 
  PORTIONS OF TEHAMA-GLENN UNIT...FIRE WEATHER ZONE 266 NORTHERN 
  SIERRA FOOTHILLS FROM 1000 TO 3000 FT. INCLUDES PORTIONS OF 
  SHASTA-TRINITY AND BUTTE UNITS AND FIRE WEATHER ZONE 279 
  EASTERN MENDOCINO NF.

* WIND...NORTH 10 TO 15 MPH WITH LOCAL GUSTS TO 25 MPH.

* HUMIDITY...MINIMUM 8 TO 14 PERCENT DURING THE DAY AND POOR
  HUMIDITY RECOVERY TO 30 TO 45 PERCENT OVERNIGHT IN MANY AREAS.

* IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. 
  OUTDOOR BURNING IS NOT RECOMMENDED. 

* FOR A DETAILED VIEW OF THE HAZARD AREA...VISIT 
  HTTP://WWW.WEATHER.GOV/SACRAMENTO/HAZARDS

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF
GUSTY WINDS...LOW RELATIVE HUMIDITY...AND HOT TEMPERATURES CAN
CONTRIBUTE TO EXTREME FIRE BEHAVIOR.

&&

INTERACT WITH US VIA SOCIAL MEDIA
WWW.FACEBOOK.COM/NWS.SACRAMENTO
WWW.TWITTER.COM/NWSSACRAMENTO

$$
6 follow-up statements
239 
WWUS86 KSTO 071342
RFWSTO

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SACRAMENTO CA
642 AM PDT FRI JUN 7 2013

...VERY HOT AND DRY WITH SOME BREEZY NORTHERLY WINDS TODAY AND
SATURDAY...

STRONG HIGH PRESSURE OVER NORTHERN CALIFORNIA TODAY AND SATURDAY
WILL CAUSE VERY HOT TEMPERATURES AND DRY NORTHERLY BREEZES.

RECORD HIGH TEMPERATURES ARE LIKELY ALONG WITH VERY WARM
OVERNIGHT TEMPERATURES ESPECIALLY IN THERMAL BELT AREAS. VERY LOW
MINIMUM HUMIDITY IS EXPECTED DURING THE DAY ALONG WITH POOR
HUMIDITY RECOVERY IN MANY AREAS OVERNIGHT.

CAZ213-215-263-266-279-080000-
/O.CON.KSTO.FW.W.0003.130607T2100Z-130609T0000Z/
EASTERN PORTION OF SHASTA/TRINITY NF-
NORTHERN SACRAMENTO VALLEY TO SOUTHERN TEHAMA COUNTY LINE BELOW
1000 FT-SOUTHEAST EDGE SHASTA-
TRINITY NF AND WESTERN PORTIONS OF TEHAMA-GLENN UNIT-
NORTHERN SIERRA FOOTHILLS FROM 1000 TO 3000 FT. INCLUDES PORTIONS
OF SHASTA-TRINITY AND BUTTE UNITS-EASTERN MENDOCINO NF-
642 AM PDT FRI JUN 7 2013

...RED FLAG WARNING REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO
5 PM PDT SATURDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE
WEATHER ZONES 213...215...263...266 AND 279...

* AFFECTED AREA...FIRE WEATHER ZONE 213 EASTERN PORTION OF 
  SHASTA/TRINITY NF...FIRE WEATHER ZONE 215 NORTHERN SACRAMENTO 
  VALLEY TO SOUTHERN TEHAMA COUNTY LINE BELOW 1000 FT...FIRE 
  WEATHER ZONE 263 SOUTHEAST EDGE SHASTA-TRINITY NF AND WESTERN 
  PORTIONS OF TEHAMA-GLENN UNIT...FIRE WEATHER ZONE 266 NORTHERN 
  SIERRA FOOTHILLS FROM 1000 TO 3000 FT. INCLUDES PORTIONS OF 
  SHASTA-TRINITY AND BUTTE UNITS AND FIRE WEATHER ZONE 279 
  EASTERN MENDOCINO NF.

* WIND...NORTH 10 TO 15 MPH WITH LOCAL GUSTS TO 25 MPH.

* HUMIDITY...MINIMUM 8 TO 14 PERCENT DURING THE DAY AND POOR 
  HUMIDITY RECOVERY TO 30 TO 45 PERCENT OVERNIGHT IN MANY AREAS. 

* IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. 
  OUTDOOR BURNING IS NOT RECOMMENDED. 

* FOR A DETAILED VIEW OF THE HAZARD AREA...VISIT 
  HTTP://WWW.WEATHER.GOV/SACRAMENTO/HAZARDS 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF
GUSTY WINDS...LOW RELATIVE HUMIDITY...AND HOT TEMPERATURES CAN
CONTRIBUTE TO EXTREME FIRE BEHAVIOR.

&&

INTERACT WITH US VIA SOCIAL MEDIA
WWW.FACEBOOK.COM/NWS.SACRAMENTO
WWW.TWITTER.COM/NWSSACRAMENTO

$$
185 
WWUS86 KSTO 072105
RFWSTO

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SACRAMENTO CA
205 PM PDT FRI JUN 7 2013

...VERY HOT AND DRY WITH SOME BREEZY NORTHERLY WINDS TODAY AND
SATURDAY...

STRONG HIGH PRESSURE OVER NORTHERN CALIFORNIA TODAY AND SATURDAY
WILL CAUSE VERY HOT TEMPERATURES AND DRY NORTHERLY BREEZES.

RECORD HIGH TEMPERATURES ARE LIKELY ALONG WITH VERY WARM
OVERNIGHT TEMPERATURES ESPECIALLY IN THERMAL BELT AREAS. VERY LOW
MINIMUM HUMIDITY IS EXPECTED DURING THE DAY ALONG WITH POOR
HUMIDITY RECOVERY IN MANY AREAS OVERNIGHT.

CAZ213-215-263-266-279-081200-
/O.CON.KSTO.FW.W.0003.000000T0000Z-130609T0000Z/
EASTERN PORTION OF SHASTA/TRINITY NF-
NORTHERN SACRAMENTO VALLEY TO SOUTHERN TEHAMA COUNTY LINE BELOW
1000 FT-SOUTHEAST EDGE SHASTA-
TRINITY NF AND WESTERN PORTIONS OF TEHAMA-GLENN UNIT-
NORTHERN SIERRA FOOTHILLS FROM 1000 TO 3000 FT. INCLUDES PORTIONS
OF SHASTA-TRINITY AND BUTTE UNITS-EASTERN MENDOCINO NF-
205 PM PDT FRI JUN 7 2013

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 5 PM PDT SATURDAY FOR
WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 213...215...
263...266 AND 279...

* AFFECTED AREA...FIRE WEATHER ZONE 213 EASTERN PORTION OF 
  SHASTA/TRINITY NF...FIRE WEATHER ZONE 215 NORTHERN SACRAMENTO 
  VALLEY TO SOUTHERN TEHAMA COUNTY LINE BELOW 1000 FT...FIRE 
  WEATHER ZONE 263 SOUTHEAST EDGE SHASTA-TRINITY NF AND WESTERN 
  PORTIONS OF TEHAMA-GLENN UNIT...FIRE WEATHER ZONE 266 NORTHERN 
  SIERRA FOOTHILLS FROM 1000 TO 3000 FT. INCLUDES PORTIONS OF 
  SHASTA-TRINITY AND BUTTE UNITS AND FIRE WEATHER ZONE 279 
  EASTERN MENDOCINO NF.

* WIND...NORTH 10 TO 16 MPH WITH LOCAL GUSTS TO 25 MPH.

* HUMIDITY...MINIMUM 7 TO 14 PERCENT DURING THE DAY AND POOR
  HUMIDITY RECOVERY TO 30 TO 45 PERCENT OVERNIGHT IN MANY AREAS.

* IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. 
  OUTDOOR BURNING IS NOT RECOMMENDED. 

* FOR A DETAILED VIEW OF THE HAZARD AREA...VISIT 
  HTTP://WWW.WEATHER.GOV/SACRAMENTO/HAZARDS 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF
GUSTY WINDS...LOW RELATIVE HUMIDITY...AND HOT TEMPERATURES CAN
CONTRIBUTE TO EXTREME FIRE BEHAVIOR.

&&

INTERACT WITH US VIA SOCIAL MEDIA
WWW.FACEBOOK.COM/NWS.SACRAMENTO
WWW.TWITTER.COM/NWSSACRAMENTO

$$
422 
WWUS86 KSTO 081130
RFWSTO

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SACRAMENTO CA
430 AM PDT SAT JUN 8 2013

...VERY HOT AND DRY WITH BREEZY NORTHERLY WINDS TODAY...

STRONG HIGH PRESSURE OVER NORTHERN CALIFORNIA TODAY WILL RESULT IN
VERY HOT TEMPERATURES AND LOCALLY GUSTY DRY NORTHERLY BREEZES.

RECORD HIGH TEMPERATURES ARE LIKELY ALONG WITH VERY WARM EARLY
MORNING TEMPERATURES...ESPECIALLY IN THERMAL BELT AREAS. VERY LOW
MINIMUM HUMIDITY IS EXPECTED.

CAZ213-215-263-266-279-090000-
/O.CON.KSTO.FW.W.0003.000000T0000Z-130609T0000Z/
EASTERN PORTION OF SHASTA/TRINITY NF-
NORTHERN SACRAMENTO VALLEY TO SOUTHERN TEHAMA COUNTY LINE BELOW
1000 FT-SOUTHEAST EDGE SHASTA-
TRINITY NF AND WESTERN PORTIONS OF TEHAMA-GLENN UNIT-
NORTHERN SIERRA FOOTHILLS FROM 1000 TO 3000 FT. INCLUDES PORTIONS
OF SHASTA-TRINITY AND BUTTE UNITS-EASTERN MENDOCINO NF-
430 AM PDT SAT JUN 8 2013

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 5 PM PDT THIS
AFTERNOON FOR WIND AND LOW HUMIDITY FOR FIRE WEATHER ZONES 213...
215...263...266 AND 279...

* AFFECTED AREA...FIRE WEATHER ZONE 213 EASTERN PORTION OF 
  SHASTA/TRINITY NF...FIRE WEATHER ZONE 215 NORTHERN SACRAMENTO 
  VALLEY TO SOUTHERN TEHAMA COUNTY LINE BELOW 1000 FT...FIRE 
  WEATHER ZONE 263 SOUTHEAST EDGE SHASTA-TRINITY NF AND WESTERN 
  PORTIONS OF TEHAMA-GLENN UNIT...FIRE WEATHER ZONE 266 NORTHERN 
  SIERRA FOOTHILLS FROM 1000 TO 3000 FT. INCLUDES PORTIONS OF 
  SHASTA-TRINITY AND BUTTE UNITS AND FIRE WEATHER ZONE 279 
  EASTERN MENDOCINO NF.

* WIND...NORTH 10 TO 15 MPH WITH LOCAL GUSTS TO 25 MPH.

* HUMIDITY...MINIMUM 5 TO 15 PERCENT DURING THE DAY AND POOR
  RECOVERY OF 25 TO 45 PERCENT THIS MORNING.

* IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. 
  OUTDOOR BURNING IS NOT RECOMMENDED. 

* FOR A DETAILED VIEW OF THE HAZARD AREA...VISIT 
  HTTP://WWW.WEATHER.GOV/SACRAMENTO/HAZARDS 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF
GUSTY WINDS...LOW RELATIVE HUMIDITY...AND HOT TEMPERATURES CAN
CONTRIBUTE TO EXTREME FIRE BEHAVIOR.

&&

INTERACT WITH US VIA SOCIAL MEDIA
WWW.FACEBOOK.COM/NWS.SACRAMENTO
WWW.TWITTER.COM/NWSSACRAMENTO

$$
550 
WWUS86 KSTO 082215
RFWSTO

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SACRAMENTO CA
315 PM PDT SAT JUN 8 2013

...VERY HOT AND DRY WITH BREEZY NORTHERLY WINDS CONTINUE THIS
AFTERNOON... 
...THUNDERSTORMS WITH DRY LIGHTNING AND GUSTY WINDS WILL BRING A
CRITICAL FIRE WEATHER PATTERN FOR SUNDAY THROUGH MONDAY NIGHT...

STRONG HIGH PRESSURE OVER NORTHERN CALIFORNIA TODAY IS RESULTING IN
VERY HOT TEMPERATURES...LOW HUMIDITY AND LOCALLY GUSTY NORTHERLY
BREEZES.

LOW PRESSURE OFF THE COAST WILL APPROACH CENTRAL CALIFORNIA ON
SUNDAY AND MOVE INLAND ON MONDAY. THIS WILL GENERATE THUNDERSTORMS
ACROSS THE AREA WITH BEST CHANCES IN THE MOUNTAINS. THE STORMS ARE
EXPECTED TO BE DRY INITIALLY WITH LOCALLY GUSTY WINDS. WETTER
STORMS ARE EXPECTED LATE SUNDAY INTO EARLY MONDAY WITH SUBSTANTIAL
LIGHTNING.

CAZ213-215-263-266-279-091015-
/O.NEW.KSTO.FW.A.0004.130609T1800Z-130610T1800Z/
/O.CON.KSTO.FW.W.0003.000000T0000Z-130609T0000Z/
EASTERN PORTION OF SHASTA/TRINITY NF-
NORTHERN SACRAMENTO VALLEY TO SOUTHERN TEHAMA COUNTY LINE BELOW
1000 FT-SOUTHEAST EDGE SHASTA-
TRINITY NF AND WESTERN PORTIONS OF TEHAMA-GLENN UNIT-
NORTHERN SIERRA FOOTHILLS FROM 1000 TO 3000 FT. INCLUDES PORTIONS
OF SHASTA-TRINITY AND BUTTE UNITS-EASTERN MENDOCINO NF-
315 PM PDT SAT JUN 8 2013

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 5 PM PDT THIS
AFTERNOON FOR THUNDERSTORMS FOR WIND AND LOW HUMIDITY FOR FIRE WEATHER 
ZONES 213...215...263...266 AND 279... 
...FIRE WEATHER WATCH IN EFFECT FROM SUNDAY MORNING THROUGH MONDAY
MORNING FOR THUNDERSTORMS WITH DRY LIGHTNING FOR FIRE WEATHER
ZONES 213... 215...263...266 AND 279...

THE NATIONAL WEATHER SERVICE IN SACRAMENTO HAS ISSUED A FIRE
WEATHER WATCH FOR THUNDERSTORMS...WHICH IS IN EFFECT FROM SUNDAY
MORNING THROUGH MONDAY MORNING.

* AFFECTED AREA...FIRE WEATHER ZONE 213 EASTERN PORTION OF 
  SHASTA/TRINITY NF...FIRE WEATHER ZONE 215 NORTHERN SACRAMENTO 
  VALLEY TO SOUTHERN TEHAMA COUNTY LINE BELOW 1000 FT...FIRE 
  WEATHER ZONE 263 SOUTHEAST EDGE SHASTA-TRINITY NF AND WESTERN 
  PORTIONS OF TEHAMA-GLENN UNIT...FIRE WEATHER ZONE 266 NORTHERN 
  SIERRA FOOTHILLS FROM 1000 TO 3000 FT. INCLUDES PORTIONS OF 
  SHASTA-TRINITY AND BUTTE UNITS AND FIRE WEATHER ZONE 279 
  EASTERN MENDOCINO NF.

* WIND...NORTH 10 TO 15 MPH WITH LOCAL GUSTS TO 25 MPH THIS AFTERNOON.

* HUMIDITY...MINIMUM 5 TO 15 PERCENT THIS AFTERNOON.

* THUNDERSTORMS...EXPECTED TO DEVELOP SUNDAY AFTERNOON AND
  CONTINUE INTO MONDAY MORNING. THUNDERSTORMS SHOULD BE DRY
  INITIALLY.

* IMPACTS...LIGHTNING STRIKES MAY CREATE NEW FIRE STARTS. DRY
  CONDITIONS AND LOCALLY GUSTY WINDS WILL LIKELY ANY FIRES THAT
  DEVELOP TO SPREAD RAPIDLY.
 
* OUTFLOW WINDS...LOCALLY GUSTY TO 45 MPH NEAR ANY THUNDERSTORMS
  WHICH DEVELOP.

* FOR A DETAILED VIEW OF THE HAZARD AREA...VISIT 
  HTTP://WWW.WEATHER.GOV/SACRAMENTO/HAZARDS

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF
GUSTY WINDS...LOW RELATIVE HUMIDITY...AND HOT TEMPERATURES CAN
CONTRIBUTE TO EXTREME FIRE BEHAVIOR.

&&

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE
RED FLAG WARNINGS.

&&

INTERACT WITH US VIA SOCIAL MEDIA
WWW.FACEBOOK.COM/NWS.SACRAMENTO
WWW.TWITTER.COM/NWSSACRAMENTO

$$

CAZ214-221-264-268-269-091015-
/O.NEW.KSTO.FW.A.0004.130609T1800Z-130610T1800Z/
BURNEY BASIN AND NORTHEAST PLATEAU IN SHASTA COUNTY INCLUDING
NORTHWEST LASSEN NF NORTH OF LASSEN NP-
STANISLAUS NF WEST OF THE SIERRA CREST-
LAKE COUNTY PORTION OF LAKE-NAPA-SONOMA UNIT-
NORTHERN SIERRA INCLUDING LASSEN NP AND PLUMAS AND LASSEN NF/S
WEST OF THE SIERRA CREST (WEST OF EVANS PEAK-GRIZZLY PEAK-
BECKWORTH PEAK)-
NORTHERN SIERRA INCLUDING THE TAHOE AND ELDORADO NF/S WEST OF THE
SIERRA CREST-
315 PM PDT SAT JUN 8 2013

...FIRE WEATHER WATCH IN EFFECT FROM SUNDAY MORNING THROUGH
MONDAY MORNING FOR THUNDERSTORMS FOR FIRE WEATHER ZONES 214...
221...264...268 AND 269...

THE NATIONAL WEATHER SERVICE IN SACRAMENTO HAS ISSUED A FIRE
WEATHER WATCH FOR THUNDERSTORMS...WHICH IS IN EFFECT FROM SUNDAY
MORNING THROUGH MONDAY MORNING.

* AFFECTED AREA...FIRE WEATHER ZONE 214 BURNEY BASIN AND 
  NORTHEAST PLATEAU IN SHASTA COUNTY INCLUDING NORTHWEST LASSEN 
  NF NORTH OF LASSEN NP...FIRE WEATHER ZONE 221 STANISLAUS NF 
  WEST OF THE SIERRA CREST...FIRE WEATHER ZONE 264 LAKE COUNTY 
  PORTION OF LAKE-NAPA-SONOMA UNIT...FIRE WEATHER ZONE 268 
  NORTHERN SIERRA INCLUDING LASSEN NP AND PLUMAS AND LASSEN NF/S 
  WEST OF THE SIERRA CREST (WEST OF EVANS PEAK-GRIZZLY PEAK-
  BECKWORTH PEAK) AND FIRE WEATHER ZONE 269 NORTHERN SIERRA 
  INCLUDING THE TAHOE AND ELDORADO NF/S WEST OF THE SIERRA CREST.

* THUNDERSTORMS...EXPECTED TO DEVELOP SUNDAY AFTERNOON AND
  CONTINUE INTO MONDAY MORNING. THUNDERSTORMS SHOULD BE DRY
  INITIALLY.

* IMPACTS...LIGHTNING STRIKES MAY CREATE NEW FIRE STARTS. DRY
  CONDITIONS AND LOCALLY GUSTY WINDS WILL LIKELY ANY FIRES THAT
  DEVELOP TO SPREAD RAPIDLY.

* OUTFLOW WINDS...LOCALLY GUSTY TO 45 MPH NEAR ANY THUNDERSTORMS
  WHICH DEVELOP.

* FOR A DETAILED VIEW OF THE HAZARD AREA...VISIT 
  HTTP://WWW.WEATHER.GOV/SACRAMENTO/HAZARDS

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE
RED FLAG WARNINGS.

&&

INTERACT WITH US VIA SOCIAL MEDIA
WWW.FACEBOOK.COM/NWS.SACRAMENTO
WWW.TWITTER.COM/NWSSACRAMENTO

$$

EK
693 
WWUS86 KSTO 082236 CCA
RFWSTO

URGENT - FIRE WEATHER MESSAGE...CORRECTED
NATIONAL WEATHER SERVICE SACRAMENTO CA
330 PM PDT SAT JUN 8 2013

...VERY HOT AND DRY WITH BREEZY NORTHERLY WINDS CONTINUE THIS
AFTERNOON... 
...THUNDERSTORMS WITH DRY LIGHTNING AND GUSTY WINDS WILL BRING A
CRITICAL FIRE WEATHER PATTERN FOR SUNDAY THROUGH MONDAY NIGHT...

STRONG HIGH PRESSURE OVER NORTHERN CALIFORNIA TODAY IS RESULTING IN
VERY HOT TEMPERATURES...LOW HUMIDITY AND LOCALLY GUSTY NORTHERLY
BREEZES.

LOW PRESSURE OFF THE COAST WILL APPROACH CENTRAL CALIFORNIA ON
SUNDAY AND MOVE INLAND ON MONDAY. THIS WILL GENERATE THUNDERSTORMS
ACROSS THE AREA WITH BEST CHANCES IN THE MOUNTAINS. THE STORMS ARE
EXPECTED TO BE DRY INITIALLY WITH LOCALLY GUSTY WINDS. WETTER
STORMS ARE EXPECTED LATE SUNDAY INTO EARLY MONDAY WITH SUBSTANTIAL
LIGHTNING.

CAZ213-215-263-266-279-091030-
/O.COR.KSTO.FW.A.0004.130609T1800Z-130610T1800Z/
/O.COR.KSTO.FW.W.0003.000000T0000Z-130609T0000Z/
EASTERN PORTION OF SHASTA/TRINITY NF-
NORTHERN SACRAMENTO VALLEY TO SOUTHERN TEHAMA COUNTY LINE BELOW
1000 FT-SOUTHEAST EDGE SHASTA-
TRINITY NF AND WESTERN PORTIONS OF TEHAMA-GLENN UNIT-
NORTHERN SIERRA FOOTHILLS FROM 1000 TO 3000 FT. INCLUDES PORTIONS
OF SHASTA-TRINITY AND BUTTE UNITS-EASTERN MENDOCINO NF-
330 PM PDT SAT JUN 8 2013

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 5 PM PDT THIS
AFTERNOON FOR THUNDERSTORMS FOR WIND AND LOW HUMIDITY FOR FIRE WEATHER 
ZONES 213...215...263...266 AND 279... 
...FIRE WEATHER WATCH IN EFFECT FROM SUNDAY MORNING THROUGH MONDAY
MORNING FOR THUNDERSTORMS WITH DRY LIGHTNING FOR FIRE WEATHER
ZONES 213... 215...263...266 AND 279...

THE NATIONAL WEATHER SERVICE IN SACRAMENTO HAS ISSUED A FIRE
WEATHER WATCH FOR THUNDERSTORMS...WHICH IS IN EFFECT FROM SUNDAY
MORNING THROUGH MONDAY MORNING.

* AFFECTED AREA...FIRE WEATHER ZONE 213 EASTERN PORTION OF 
  SHASTA/TRINITY NF...FIRE WEATHER ZONE 215 NORTHERN SACRAMENTO 
  VALLEY TO SOUTHERN TEHAMA COUNTY LINE BELOW 1000 FT...FIRE 
  WEATHER ZONE 263 SOUTHEAST EDGE SHASTA-TRINITY NF AND WESTERN 
  PORTIONS OF TEHAMA-GLENN UNIT...FIRE WEATHER ZONE 266 NORTHERN 
  SIERRA FOOTHILLS FROM 1000 TO 3000 FT. INCLUDES PORTIONS OF 
  SHASTA-TRINITY AND BUTTE UNITS AND FIRE WEATHER ZONE 279 
  EASTERN MENDOCINO NF.

* WIND...NORTH 10 TO 15 MPH WITH LOCAL GUSTS TO 25 MPH THIS AFTERNOON.

* HUMIDITY...MINIMUM 5 TO 15 PERCENT THIS AFTERNOON.

* THUNDERSTORMS...EXPECTED TO DEVELOP SUNDAY AFTERNOON AND
  CONTINUE INTO MONDAY MORNING. THUNDERSTORMS SHOULD BE DRY
  INITIALLY.

* IMPACTS...LIGHTNING STRIKES MAY CREATE NEW FIRE STARTS. DRY
  CONDITIONS AND LOCALLY GUSTY WINDS WILL LIKELY CAUSE ANY FIRES
  THAT DEVELOP TO SPREAD RAPIDLY.
 
* OUTFLOW WINDS...LOCALLY GUSTY TO 45 MPH NEAR ANY THUNDERSTORMS
  WHICH DEVELOP.

* FOR A DETAILED VIEW OF THE HAZARD AREA...VISIT 
  HTTP://WWW.WEATHER.GOV/SACRAMENTO/HAZARDS

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF
GUSTY WINDS...LOW RELATIVE HUMIDITY...AND HOT TEMPERATURES CAN
CONTRIBUTE TO EXTREME FIRE BEHAVIOR.

&&

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE
RED FLAG WARNINGS.

&&

INTERACT WITH US VIA SOCIAL MEDIA
WWW.FACEBOOK.COM/NWS.SACRAMENTO
WWW.TWITTER.COM/NWSSACRAMENTO

$$

CAZ214-221-264-268-269-091030-
/O.COR.KSTO.FW.A.0004.130609T1800Z-130610T1800Z/
BURNEY BASIN AND NORTHEAST PLATEAU IN SHASTA COUNTY INCLUDING
NORTHWEST LASSEN NF NORTH OF LASSEN NP-
STANISLAUS NF WEST OF THE SIERRA CREST-
LAKE COUNTY PORTION OF LAKE-NAPA-SONOMA UNIT-
NORTHERN SIERRA INCLUDING LASSEN NP AND PLUMAS AND LASSEN NF/S
WEST OF THE SIERRA CREST (WEST OF EVANS PEAK-GRIZZLY PEAK-
BECKWORTH PEAK)-
NORTHERN SIERRA INCLUDING THE TAHOE AND ELDORADO NF/S WEST OF THE
SIERRA CREST-
330 PM PDT SAT JUN 8 2013

...FIRE WEATHER WATCH IN EFFECT FROM SUNDAY MORNING THROUGH
MONDAY MORNING FOR THUNDERSTORMS FOR FIRE WEATHER ZONES 214...
221...264...268 AND 269...

THE NATIONAL WEATHER SERVICE IN SACRAMENTO HAS ISSUED A FIRE
WEATHER WATCH FOR THUNDERSTORMS WITH DRY LIGHTNING...WHICH IS IN
EFFECT FROM SUNDAY MORNING THROUGH MONDAY MORNING.

* AFFECTED AREA...FIRE WEATHER ZONE 214 BURNEY BASIN AND 
  NORTHEAST PLATEAU IN SHASTA COUNTY INCLUDING NORTHWEST LASSEN 
  NF NORTH OF LASSEN NP...FIRE WEATHER ZONE 221 STANISLAUS NF 
  WEST OF THE SIERRA CREST...FIRE WEATHER ZONE 264 LAKE COUNTY 
  PORTION OF LAKE-NAPA-SONOMA UNIT...FIRE WEATHER ZONE 268 
  NORTHERN SIERRA INCLUDING LASSEN NP AND PLUMAS AND LASSEN NF/S 
  WEST OF THE SIERRA CREST (WEST OF EVANS PEAK-GRIZZLY PEAK-
  BECKWORTH PEAK) AND FIRE WEATHER ZONE 269 NORTHERN SIERRA 
  INCLUDING THE TAHOE AND ELDORADO NF/S WEST OF THE SIERRA CREST.

* THUNDERSTORMS...EXPECTED TO DEVELOP SUNDAY AFTERNOON AND
  CONTINUE INTO MONDAY MORNING. THUNDERSTORMS SHOULD BE DRY
  INITIALLY.

* IMPACTS...LIGHTNING STRIKES MAY CREATE NEW FIRE STARTS. DRY
  CONDITIONS AND LOCALLY GUSTY WINDS WILL LIKELY CAUSE ANY FIRES
  THAT DEVELOP TO SPREAD RAPIDLY.

* OUTFLOW WINDS...LOCALLY GUSTY TO 45 MPH NEAR ANY THUNDERSTORMS
  WHICH DEVELOP.

* FOR A DETAILED VIEW OF THE HAZARD AREA...VISIT 
  HTTP://WWW.WEATHER.GOV/SACRAMENTO/HAZARDS

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE
RED FLAG WARNINGS.

&&

INTERACT WITH US VIA SOCIAL MEDIA
WWW.FACEBOOK.COM/NWS.SACRAMENTO
WWW.TWITTER.COM/NWSSACRAMENTO

$$

EK
352 
WWUS86 KSTO 090005
RFWSTO

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SACRAMENTO CA
505 PM PDT SAT JUN 8 2013

...THUNDERSTORMS WITH DRY LIGHTNING AND GUSTY WINDS WILL BRING A
CRITICAL FIRE WEATHER PATTERN FOR SUNDAY THROUGH MONDAY NIGHT...

LOW PRESSURE OFF THE COAST WILL APPROACH CENTRAL CALIFORNIA ON
SUNDAY AND MOVE INLAND ON MONDAY. THIS WILL GENERATE THUNDERSTORMS
ACROSS THE AREA WITH BEST CHANCES IN THE MOUNTAINS. THE STORMS ARE
EXPECTED TO BE DRY INITIALLY WITH LOCALLY GUSTY WINDS. WETTER
STORMS ARE EXPECTED LATE SUNDAY INTO EARLY MONDAY WITH SUBSTANTIAL
LIGHTNING.

CAZ213-215-263-266-279-090815-
/O.EXP.KSTO.FW.W.0003.000000T0000Z-130609T0000Z/
/O.CON.KSTO.FW.A.0004.130609T1800Z-130610T1800Z/
EASTERN PORTION OF SHASTA/TRINITY NF-
NORTHERN SACRAMENTO VALLEY TO SOUTHERN TEHAMA COUNTY LINE BELOW
1000 FT-SOUTHEAST EDGE SHASTA-
TRINITY NF AND WESTERN PORTIONS OF TEHAMA-GLENN UNIT-
NORTHERN SIERRA FOOTHILLS FROM 1000 TO 3000 FT. INCLUDES PORTIONS
OF SHASTA-TRINITY AND BUTTE UNITS-EASTERN MENDOCINO NF-
505 PM PDT SAT JUN 8 2013

...FIRE WEATHER WATCH REMAINS IN EFFECT FROM SUNDAY MORNING
THROUGH MONDAY MORNING FOR THUNDERSTORMS WITH DRY LIGHTNING FOR
FIRE WEATHER ZONES 213...215...263...266 AND 279...
...RED FLAG WARNING HAS EXPIRED FOR WIND AND LOW HUMIDITY FOR 
FIRE WEATHER ZONES 213...215...263...266 AND 279...

* AFFECTED AREA...FIRE WEATHER ZONE 213 EASTERN PORTION OF
  SHASTA/TRINITY NF...FIRE WEATHER ZONE 215 NORTHERN SACRAMENTO
  VALLEY TO SOUTHERN TEHAMA COUNTY LINE BELOW 1000 FT...FIRE
  WEATHER ZONE 263 SOUTHEAST EDGE SHASTA-TRINITY NF AND WESTERN
  PORTIONS OF TEHAMA-GLENN UNIT...FIRE WEATHER ZONE 266 NORTHERN
  SIERRA FOOTHILLS FROM 1000 TO 3000 FT. INCLUDES PORTIONS OF
  SHASTA-TRINITY AND BUTTE UNITS AND FIRE WEATHER ZONE 279 EASTERN
  MENDOCINO NF.

* THUNDERSTORMS...EXPECTED TO DEVELOP SUNDAY AFTERNOON AND 
  CONTINUE INTO MONDAY MORNING. THUNDERSTORMS SHOULD BE DRY 
  INITIALLY. 

* IMPACTS...LIGHTNING STRIKES MAY CREATE NEW FIRE STARTS. DRY 
  CONDITIONS AND LOCALLY GUSTY WINDS WILL LIKELY CAUSE ANY FIRES 
  THAT DEVELOP TO SPREAD RAPIDLY. 

* OUTFLOW WINDS...LOCALLY GUSTY TO 45 MPH NEAR ANY THUNDERSTORMS 
  WHICH DEVELOP. 

* FOR A DETAILED VIEW OF THE HAZARD AREA...VISIT 
  HTTP://WWW.WEATHER.GOV/SACRAMENTO/HAZARDS 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE
RED FLAG WARNINGS.

&&

INTERACT WITH US VIA SOCIAL MEDIA
WWW.FACEBOOK.COM/NWS.SACRAMENTO
WWW.TWITTER.COM/NWSSACRAMENTO

$$

CAZ214-221-264-268-269-090815-
/O.CON.KSTO.FW.A.0004.130609T1800Z-130610T1800Z/
BURNEY BASIN AND NORTHEAST PLATEAU IN SHASTA COUNTY INCLUDING
NORTHWEST LASSEN NF NORTH OF LASSEN NP-
STANISLAUS NF WEST OF THE SIERRA CREST-
LAKE COUNTY PORTION OF LAKE-NAPA-SONOMA UNIT-
NORTHERN SIERRA INCLUDING LASSEN NP AND PLUMAS AND LASSEN NF/S
WEST OF THE SIERRA CREST (WEST OF EVANS PEAK-GRIZZLY PEAK-
BECKWORTH PEAK)-
NORTHERN SIERRA INCLUDING THE TAHOE AND ELDORADO NF/S WEST OF THE
SIERRA CREST-
505 PM PDT SAT JUN 8 2013

...FIRE WEATHER WATCH REMAINS IN EFFECT FROM SUNDAY MORNING
THROUGH MONDAY MORNING FOR THUNDERSTORMS FOR FIRE WEATHER ZONES
214...221...264...268 AND 269...

* AFFECTED AREA...FIRE WEATHER ZONE 214 BURNEY BASIN AND 
  NORTHEAST PLATEAU IN SHASTA COUNTY INCLUDING NORTHWEST LASSEN 
  NF NORTH OF LASSEN NP...FIRE WEATHER ZONE 221 STANISLAUS NF 
  WEST OF THE SIERRA CREST...FIRE WEATHER ZONE 264 LAKE COUNTY 
  PORTION OF LAKE-NAPA-SONOMA UNIT...FIRE WEATHER ZONE 268 
  NORTHERN SIERRA INCLUDING LASSEN NP AND PLUMAS AND LASSEN NF/S 
  WEST OF THE SIERRA CREST (WEST OF EVANS PEAK-GRIZZLY PEAK-
  BECKWORTH PEAK) AND FIRE WEATHER ZONE 269 NORTHERN SIERRA 
  INCLUDING THE TAHOE AND ELDORADO NF/S WEST OF THE SIERRA CREST.

* THUNDERSTORMS...EXPECTED TO DEVELOP SUNDAY AFTERNOON AND 
  CONTINUE INTO MONDAY MORNING. THUNDERSTORMS SHOULD BE DRY 
  INITIALLY. 

* IMPACTS...LIGHTNING STRIKES MAY CREATE NEW FIRE STARTS. DRY 
  CONDITIONS AND LOCALLY GUSTY WINDS WILL LIKELY CAUSE ANY FIRES 
  THAT DEVELOP TO SPREAD RAPIDLY. 

* OUTFLOW WINDS...LOCALLY GUSTY TO 45 MPH NEAR ANY THUNDERSTORMS 
  WHICH DEVELOP. 

* FOR A DETAILED VIEW OF THE HAZARD AREA...VISIT 
  HTTP://WWW.WEATHER.GOV/SACRAMENTO/HAZARDS 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE
RED FLAG WARNINGS.

&&

INTERACT WITH US VIA SOCIAL MEDIA
WWW.FACEBOOK.COM/NWS.SACRAMENTO
WWW.TWITTER.COM/NWSSACRAMENTO

$$

What forecasters said that day

The local office's own words before this red flag warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Sacramento, CA wrote its last area forecast discussion before this red flag warning went out at Jun 6, 8:32 AM PDT, 5 hours 28 minutes earlier.

Area forecast discussion, Jun 6, 8:32 AM PDT, 5 hours 28 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SACRAMENTO CA
832 AM PDT THU JUN 6 2013

.SHORT TERM DISCUSSION...

A STRONG DELTA BREEZE PERSISTED OVERNIGHT IN CONCURRENCE WITH
A DEEP 2100 FOOT MARINE LAYER. TRAVIS AIR FORCE BASE REPORTED WIND
GUSTS UP TO 39MPH AROUND 1AM... WITH 24MPH SUSTAINED WINDS IN THE
LAST HOUR. A THIN STRAND OF MARINE STRATUS INTRUDED INTO THE
SACRAMENTO VALLEY THIS MORNING... MUCH LESS SO THAN YESTERDAY...
AN INDICATION OF THE SLIGHTLY WARMER AND DRIER AIR MASS NOW
PRESENT IN THE VALLEY. TEMPERATURES THIS MORNING ARE ALREADY
RUNNING UP TO FIVE DEGREES WARMER IN THE NORTHERN SACRAMENTO
VALLEY VERSUS YESTERDAY.... AND A COUPLE OF DEGREES WARMER IN
THE CENTRAL SACRAMENTO AND NORTHERN SAN JOAQUIN VALLEYS. AN
ONSHORE GRADIENT IS FORECAST TO CONTINUE THROUGH TOMORROW
AFTERNOON... HOWEVER WITH INCREASING PRESSURE AND SUBSIDENCE...
THE MARINE LAYER WILL BE CRIPPLED AND ONSHORE COOLING WILL GREATLY
BE REDUCED.

THUNDERSTORMS ARE EXPECTED TO DEVELOP AGAIN OVER THE SIERRA CREST
THIS AFTERNOON IN SIMILAR FASHION TO YESTERDAY. MOST CELLS THAT
DEVELOP NORTH OF I80 IN THE SIERRA WILL DRIFT EASTWARD OVER THE
CREST LATER IN THE AFTERNOON... HOWEVER SLOW MOVING THUNDERSTORMS
ARE LIKELY FOR TUOLUMNE... ALPINE... AND EASTERN CALAVERAS... EASTERN
AMADOR... AND EASTERN EL DORADO COUNTIES.

HIGH PRESSURE QUICKLY BUILDS INTO THE REGION OVER THE NEXT THREE
DAYS... BUT WEAK CONFIDENCE CONTINUES FOR EXACT TEMPERATURES. THE
SHORT RANGE ENSEMBLE FORECAST HAS MEMBERS RANGING FROM 85F TO 113F
SATURDAY IN SACRAMENTO... WITH THE LARGE DISPARITY PRIMARILY
COMING FROM UNCERTAINTY SURROUNDING A TIGHT CUTOFF LOW UNDER THE
RIDGE SATURDAY. PREVIOUS MODEL RUNS INDICATED THE CUTOFF LOW MAY
SHIFT ONSHORE INTO THE BAY AREA LATE SATURDAY... BUT THE LATEST
RUNS DONT BRING IT IN UNTIL MID TO LATE SUNDAY. THIS WOULD ALLOW
OPTIMAL CONDITIONS FOR MAX HEATING FRIDAY AND SATURDAY... SO WE
HAVE SHIFTED MAXIMUM TEMPERATURES UP FROM YESTERDAYS FORECAST.
THIS WILL BE THE MAIN FORECAST CHALLENGE FOR THIS AFTERNOONS
PACKAGE.

TEMPERATURES DROP OFF DRASTICALLY ON SUNDAY. INSTABILITY FROM
UPPER LOW IS EXPECTED TO SPAWN THUNDERSTORMS INTO THE EXTENDED
PERIOD.

.PREVIOUS DISCUSSION...
A BRIEF BUT SHARP HEAT SPELL IS EXPECTED FRIDAY AND SATURDAY...
BUT MUCH COOLER TEMPERATURES STARTING SUNDAY. ISOLATED MOUNTAIN
THUNDERSTORMS CONTINUE TO BE POSSIBLE THE NEXT FEW DAYS...WITH
PERHAPS GREATER COVERAGE ON SUNDAY.

TODAY...
WATER VAPOR SATELLITE IMAGERY SHOWS A WEAK CYCLONIC CIRCULATION
OFF THE SOUTHERN CALIFORNIA COAST. WEAK SOUTHEAST FLOW AHEAD OF
THE UPPER LOW HAS BROUGHT ENOUGH MOISTURE TO INITIATE ISOLATED
THUNDERSTORMS ALONG THE SIERRA THE LAST FEW DAYS...AND TODAY
SHOULD BE NO DIFFERENT. STRONG FLOW CONTINUES THROUGH THE DELTA
REGION...ALTHOUGH THIS HAS BEEN WEAKENING THE LAST FEW HOURS.

HIGH PRESSURE WILL BEGIN TO NUDGE INTO NORTHERN CALIFORNIA FROM
THE WEST THIS AFTERNOON...BRINGING WARMER TEMPERATURES THAN
YESTERDAY. LOOK FOR HIGHS IN THE 90S ACROSS THE VALLEY... EXCEPT
LOWER 100S ACROSS THE NORTHERN SACRAMENTO VALLEY. 70S TO LOWER
90S ARE EXPECTED OVER THE MOUNTAINS.

FRIDAY AND SATURDAY...
THE VERY STRONG BUT QUICK-MOVING UPPER RIDGE WILL MOVE OVER
NORTHERN CALIFORNIA. THIS WILL BRING WIDESPREAD TRIPLE-DIGIT HEAT
ACROSS THE VALLEY...WITH SATURDAY BEING THE HOTTER OF THE TWO
DAYS. 850MB TEMPERATURES ARE FORECAST TO WARM UP INTO THE 28 TO
30 C RANGE... WHICH IF MIXED DOWN TO THE SURFACE WOULD BRING
HIGHS IN THE VALLEY AROUND 110 OR SLIGHTLY GREATER. WE ARE STILL
FORECASTING WIDESPREAD RECORD HIGHS TO FALL ON BOTH FRIDAY AND
SATURDAY. ADDITIONALLY...LIGHT TO MODERATE NORTH WINDS MAY
DEVELOP ALONG THE NORTHERN AND WESTERN SACRAMENTO
VALLEY...KEEPING SATURDAY MORNING LOWS ELEVATED AND BRINGING
HEIGHTENED FIRE WEATHER CONCERNS.

SUNDAY...
THE UPPER RIDGE WILL QUICKLY SHIFT TO THE EAST...ALLOWING THE
AFOREMENTIONED CLOSED LOW OFF THE SOCAL COAST TO MOVE NORTHWARD.
THIS WILL BRING SUBSTANTIAL COOLING ACROSS MOST OF THE FORECAST
AREA. THIS UPPER LOW WILL ALSO USHER IN ABUNDANT MOISTURE AND
REASONABLY STRONG FORCING. WILL NEED TO MONITOR THIS PATTERN...
AS THIS HAS THE POTENTIAL TO BRING ISOLATED TO SCATTERED
THUNDERSTORMS TO MUCH OF NORTHERN CALIFORNIA. DANG

.EXTENDED DISCUSSION (MONDAY THROUGH THURSDAY)

THE CLOSED LOW EVENTUALLY WEAKENS INTO AN OPEN WAVE AND SHIFTS
EASTWARD INTO NEVADA ON MONDAY. THE UPPER LEVEL PATTERN THEN
SHIFTS TOWARD A LONGWAVE TROUGH ALONG THE WEST COAST. THIS PATTERN
SHOULD GENERALLY BRING DRY WEATHER ACROSS NORTHERN CALIFORNIA WITH
SEASONAL TEMPERATURES. DANG

&&

.AVIATION...

VFR CONDITIONS WILL DOMINATE TODAY EXCEPT FOR LOCALIZED MVFR/IFR
DUE TO LOW CLOUDS IN THE DELTA EARLY THIS MORNING THRU ABOUT 16Z.
THE OTHER EXCEPTION IS ISOLATED MVFR DURING SHOWERS/THUNDERSTORMS OVER
THE SIERRA.

WINDS: LIGHT ONSHORE FLOW IN THE CENTRAL VALLEY WITH TAF SITES
RANGING UP TO 12 KTS (SW WINDS FOR SAC METRO SITES, NW FOR KSCK).
DELTA WINDS ARE STILL STRONG THIS MORNING AT 20-25 KTS WITH GUSTS
UP TO 30 KTS BUT THAT WILL LOWER TO 10-20 KTS WITH POSSIBLE GUSTS
UP TO 25 KTS TODAY.  JBB

&&

.STO WATCHES/WARNINGS/ADVISORIES...
FIRE WEATHER WATCH FROM FRIDAY MORNING THROUGH SATURDAY
AFTERNOON CENTRAL SACRAMENTO VALLEY...CLEAR LAKE/SOUTHERN LAKE
COUNTY...MOUNTAINS SOUTHWESTERN SHASTA COUNTY TO NORTHERN LAKE
COUNTY...NORTHEAST FOOTHILLS/SACRAMENTO VALLEY...NORTHERN
SACRAMENTO VALLEY...SHASTA LAKE AREA / NORTHERN SHASTA COUNTY.

&&
Hazardous weather outlook, Jun 6, 7:00 AM PDT, 7 hours before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SACRAMENTO CA
700 AM PDT THU JUN 6 2013

CAZ013>019-063-064-066>069-071400-
SHASTA LAKE AREA/NORTHERN SHASTA COUNTY-
BURNEY BASIN/EASTERN SHASTA COUNTY-NORTHERN SACRAMENTO VALLEY-
CENTRAL SACRAMENTO VALLEY-SOUTHERN SACRAMENTO VALLEY-
CARQUINEZ STRAIT AND DELTA-NORTHERN SAN JOAQUIN VALLEY-
MOUNTAINS SOUTHWESTERN SHASTA TO NORTHERN LAKE COUNTIES-
CLEAR LAKE/SOUTHERN LAKE COUNTY-MOTHERLODE-
EAST FOOTHILLS/NORTH SACRAMENTO VALLEY-
WESTERN PLUMAS COUNTY/LASSEN PARK-WEST SLOPE NORTHERN SIERRA NEVADA-
700 AM PDT THU JUN 6 2013

THIS HAZARDOUS WEATHER OUTLOOK IS FOR INTERIOR NORTHERN CALIFORNIA.

.DAY ONE...TODAY

ISOLATED THUNDERSTORMS WILL BE POSSIBLE OVER THE NORTHERN SIERRA
THIS AFTERNOON. OTHERWISE...NO HAZARDOUS WEATHER IS EXPECTED AT THIS
TIME.

.DAYS TWO THROUGH SEVEN... FRIDAY THROUGH WEDNESDAY

RECORD HIGH TEMPERATURES WILL BE LIKELY ACROSS THE REGION FRIDAY AND
SATURDAY. BREEZY NORTHERLY WINDS ALONG WITH THE HOT AND DRY
CONDITIONS WILL LEAD TO INCREASED FIRE DANGER.

* FIRE WEATHER WATCH.........SEE WWUS86 KSTO - RFWSTO FOR DETAILS *

* SPECIAL WEATHER STATEMENT..SEE WWUS86 KSTO - SPSSTO FOR DETAILS *

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS TO THEIR LOCAL NATIONAL WEATHER SERVICE OFFICE.

THE LATEST WEATHER INFORMATION IS AVAILABLE ON THE INTERNET AT
(LOWER CASE): HTTP://WWW.WRH.NOAA.GOV/STO

The office that day

Everything else NWS Sacramento, CA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 6, 2:52 PM PDTSpecial Weather StatementSTOAlpine38 min

Nearby

Red Flag Warnings in California, 2013Every red flag warning in 2013

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.