Red Flag Warning 25, NWS Boise, ID

361 
WWUS85 KBOI 191418
RFWBOI

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE BOISE ID
818 AM MDT SUN AUG 19 2012

.A SERIES OF EMBEDDED SHORT WAVE TROUGHS WILL PROVIDE LIFT AND 
INSTABILITY TO COMBINE WITH MID LEVEL MOISTURE FOR THUNDERSTORMS
TODAY. ACTIVITY IS ALREADY UNDERWAY NEAR THE NEVADA BORDER WITH
OREGON AND IDAHO THIS MORNING AND WILL MOVE INTO OUR AREA THROUGH
THE REMAINDER OF TODAY...WITH THUNDERSTORMS CONTINUING UNTIL
MIDNIGHT. THE RED FLAG WARNING IS NOW IN EFFECT UNTIL MIDNIGHT
MOUNTAIN TIME WHICH IS ELEVEN PM PACIFIC TIME FOR THE BURNS BLM.

IDZ400>404-408-418-419-192230-
/O.EXT.KBOI.FW.W.0024.120819T1500Z-120820T0600Z/
NORTHERN BOISE BLM-WESTERN PAYETTE NATIONAL FOREST-
EASTERN PAYETTE NATIONAL FOREST-NORTHERN BOISE NATIONAL FOREST-
SOUTHERN BOISE NATIONAL FOREST-TREASURE VALLEY-
WESTERN TWIN FALLS BLM-OWYHEE MOUNTAINS-
818 AM MDT SUN AUG 19 2012

...RED FLAG WARNING NOW IN EFFECT UNTIL MIDNIGHT MDT TONIGHT FOR
LIGHTNING FOR NORTHERN BOISE BLM...WESTERN PAYETTE NATIONAL
FOREST...EASTERN PAYETTE NATIONAL FOREST...NORTHERN BOISE
NATIONAL FOREST...SOUTHERN BOISE NATIONAL FOREST...TREASURE
VALLEY...WESTERN TWIN FALLS BLM AND OWYHEE MOUNTAINS...WHICH ARE
FIRE WEATHER ZONES 400...401...402...403...404...408...418 AND
419...

THE RED FLAG WARNING IS NOW IN EFFECT UNTIL MIDNIGHT MDT TONIGHT.

* THUNDERSTORMS...SCATTERED THUNDERSTORMS WITH DANGEROUS 
  LIGHTNING. 

* OUTFLOW WINDS...GUSTY THUNDERSTORM WINDS UP TO 45 MPH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY.

&&

$$

ORZ636-192230-
/O.EXT.KBOI.FW.W.0025.000000T0000Z-120820T0600Z/
BURNS BLM-
718 AM PDT SUN AUG 19 2012

...RED FLAG WARNING NOW IN EFFECT UNTIL 11 PM PDT THIS EVENING
FOR LIGHTNING FOR BURNS BLM...WHICH IS FIRE WEATHER ZONE 636...

THE RED FLAG WARNING IS NOW IN EFFECT UNTIL 11 PM PDT THIS
EVENING. 

* THUNDERSTORMS...SCATTERED THUNDERSTORMS THIS AFTERNOON THROUGH 
  SUNDAY AFTERNOON. 

* OUTFLOW WINDS...GUSTY THUNDERSTORM WINDS UP TO 45 MPH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY.

&&

L

$$

ORZ637-192230-
/O.EXT.KBOI.FW.W.0023.000000T0000Z-120820T0600Z/
VALE BLM-
818 AM MDT SUN AUG 19 2012

...RED FLAG WARNING NOW IN EFFECT UNTIL MIDNIGHT MDT TONIGHT FOR
LIGHTNING FOR VALE BLM...WHICH IS FIRE WEATHER ZONE 637...

THE RED FLAG WARNING IS NOW IN EFFECT UNTIL MIDNIGHT MDT TONIGHT.

* THUNDERSTORMS...SCATTERED THUNDERSTORMS WITH DANGEROUS 
  LIGHTNING. 

* OUTFLOW WINDS...GUSTY THUNDERSTORM WINDS UP TO 45 MPH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY.

&&

L

&&

$$


L

466 
WWUS85 KBOI 192021
RFWBOI

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE BOISE ID
221 PM MDT SUN AUG 19 2012

.A SERIES OF EMBEDDED SHORT WAVE TROUGHS WILL CONTINUE TO PROVIDE
LIFT AND INSTABILITY FOR THUNDERSTORMS THIS EVENING UNTIL MIDNIGHT.
THE RED FLAG WARNING IS NOW IN EFFECT UNTIL MIDNIGHT MOUNTAIN TIME
WHICH IS ELEVEN PM PACIFIC TIME FOR THE BURNS BLM.

IDZ400>404-408-418-419-200600-
/O.CON.KBOI.FW.W.0024.000000T0000Z-120820T0600Z/
NORTHERN BOISE BLM-WESTERN PAYETTE NATIONAL FOREST-
EASTERN PAYETTE NATIONAL FOREST-NORTHERN BOISE NATIONAL FOREST-
SOUTHERN BOISE NATIONAL FOREST-TREASURE VALLEY-
WESTERN TWIN FALLS BLM-OWYHEE MOUNTAINS-
221 PM MDT SUN AUG 19 2012

...RED FLAG WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT
FOR LIGHTNING FOR NORTHERN BOISE BLM...WESTERN PAYETTE NATIONAL
FOREST...EASTERN PAYETTE NATIONAL FOREST...NORTHERN BOISE
NATIONAL FOREST...SOUTHERN BOISE NATIONAL FOREST...TREASURE
VALLEY...WESTERN TWIN FALLS BLM AND OWYHEE MOUNTAINS...WHICH ARE
FIRE WEATHER ZONES 400...401...402...403...404...408...418 AND
419...

A RED FLAG WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT. 

* THUNDERSTORMS...SCATTERED THUNDERSTORMS WITH DANGEROUS 
  LIGHTNING. 

* OUTFLOW WINDS...GUSTY THUNDERSTORM WINDS UP TO 45 MPH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY.

&&

$$

ORZ636-200600-
/O.CON.KBOI.FW.W.0025.000000T0000Z-120820T0600Z/
BURNS BLM-
121 PM PDT SUN AUG 19 2012

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 11 PM PDT THIS
EVENING FOR LIGHTNING FOR BURNS BLM...WHICH IS FIRE WEATHER ZONE
636...

A RED FLAG WARNING REMAINS IN EFFECT UNTIL 11 PM PDT THIS
EVENING. 

* THUNDERSTORMS...FREQUENT LIGHTNING THROUGH THIS EVENING.

* OUTFLOW WINDS...GUSTY THUNDERSTORM WINDS UP TO 45 MPH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY.

&&

L

$$

ORZ637-200600-
/O.CON.KBOI.FW.W.0023.000000T0000Z-120820T0600Z/
VALE BLM-
221 PM MDT SUN AUG 19 2012

...RED FLAG WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT
FOR LIGHTNING FOR VALE BLM...WHICH IS FIRE WEATHER ZONE 637...

A RED FLAG WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT. 

* THUNDERSTORMS...SCATTERED THUNDERSTORMS WITH DANGEROUS 
  LIGHTNING. 

* OUTFLOW WINDS...GUSTY THUNDERSTORM WINDS UP TO 45 MPH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY.

&&

L

&&

$$


L

527 
WWUS85 KBOI 200406
RFWBOI

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE BOISE ID
1006 PM MDT SUN AUG 19 2012

...RED FLAG WARNINGS CANCELLED...

IDZ400>404-408-418-419-200515-
/O.CAN.KBOI.FW.W.0024.000000T0000Z-120820T0600Z/
NORTHERN BOISE BLM-WESTERN PAYETTE NATIONAL FOREST-
EASTERN PAYETTE NATIONAL FOREST-NORTHERN BOISE NATIONAL FOREST-
SOUTHERN BOISE NATIONAL FOREST-TREASURE VALLEY-
WESTERN TWIN FALLS BLM-OWYHEE MOUNTAINS-
1006 PM MDT SUN AUG 19 2012

...RED FLAG WARNING IS CANCELLED FOR LIGHTNING FOR NORTHERN BOISE
BLM...WESTERN PAYETTE NATIONAL FOREST...EASTERN PAYETTE NATIONAL
FOREST...NORTHERN BOISE NATIONAL FOREST...SOUTHERN BOISE NATIONAL
FOREST...TREASURE VALLEY...WESTERN TWIN FALLS BLM AND OWYHEE
MOUNTAINS...WHICH ARE FIRE WEATHER ZONES 400...401...402...403...
404...408...418 AND 419...

THE NATIONAL WEATHER SERVICE IN BOISE HAS CANCELLED THE RED FLAG
WARNING. 

THUNDERSTORMS HAVE ENDED ACROSS THE AREA...AND SCATTERED LIGHTNING
IS NO LONGER CONSIDERED LIKELY.

$$

ORZ636-200515-
/O.CAN.KBOI.FW.W.0025.000000T0000Z-120820T0600Z/
BURNS BLM-
906 PM PDT SUN AUG 19 2012

...RED FLAG WARNING IS CANCELLED FOR LIGHTNING FOR BURNS BLM...
WHICH IS FIRE WEATHER ZONE 636...

THE NATIONAL WEATHER SERVICE IN BOISE HAS CANCELLED THE RED FLAG
WARNING. 

THUNDERSTORMS HAVE ENDED ACROSS THE AREA...AND SCATTERED LIGHTNING
IS NO LONGER CONSIDERED LIKELY.

$$

ORZ637-200515-
/O.CAN.KBOI.FW.W.0023.000000T0000Z-120820T0600Z/
VALE BLM-
1006 PM MDT SUN AUG 19 2012

...RED FLAG WARNING IS CANCELLED FOR LIGHTNING FOR VALE BLM...
WHICH IS FIRE WEATHER ZONE 637...

THE NATIONAL WEATHER SERVICE IN BOISE HAS CANCELLED THE RED FLAG
WARNING. 

THUNDERSTORMS HAVE ENDED ACROSS THE AREA...AND SCATTERED LIGHTNING
IS NO LONGER CONSIDERED LIKELY.

$$


L

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BOISE ID
243 PM MDT SAT AUG 18 2012

.SHORT TERM...MID-LEVEL MOIST AXIS NOW EXTENDS FROM NWRN OREGON TO
NWRN NEVADA AND SHIFTING SLOWLY EWD WHILE INDIVIDUAL CELLS CONTINUE
TO MOVE NWD.  THUNDERSTORMS DIED OUT THIS MORNING BUT WILL DEVELOP
AGAIN THIS AFTERNOON AND EVENING AS THE MOIST BAND SHIFTS EWD INTO
HARNEY COUNTY AND THEN MALHEUR COUNTY.  ACTIVITY WILL DIE OUT AGAIN
LATE TONIGHT BUT REDEVLOP SUNDAY IN SWRN IDAHO AS MORE MONSOON
MOISTURE COMES IN FROM NEVADA.  A WEAK SHORT WAVE TROUGH WILL
ALSO PASS THROUGH OUR NRN ZONES FOR A SLIGHT CHANCE OF THUNDERSTORMS
THERE AS WELL...BUT THE STRONGER ACTIVITY IS EXPECTED IN SOUTHERN
IDAHO ESPECIALLY SOUTH OF THE SNAKE BASIN.  THIS ACTIVITY WILL SHIFT
EWD AND OUT OF OUR CWA SUNDAY EVENING.  THE HOT UPPER RIDGE WILL
REBUILD MONDAY BUT NOT QUITE AS STRONGLY AS TODAY.  ALSO ON MONDAY A
SURFACE THERMAL TROUGH WILL FORM AGAIN IN ERN OREGON.  SLIGHTLY
COOLER SUNDAY AS TODAY/S THERMAL AXIS MOVES EAST AND CLOUDS
I8NCREASE.  HOT AGAIN MONDAY UNDER THE REBUILDING UPPER RIDGE.

.LONG TERM...MONDAY NIGHT THROUGH SATURDAY...DRY CONDITIONS MONDAY
NIGHT AS THE UPPER LEVEL RIDGE BEGINS TO MOVE TO THE EAST AHEAD OF
THE NEXT UPPER LEVEL TROUGH.  AXIS OF THE UPPER LEVEL TROUGH WILL BE
ALONG THE OREGON/IDAHO BORDER BY TUESDAY AFTERNOON.  THIS WILL BRING
A CHANCE OF SHOWERS AND THUNDERSTORMS TO THE REGION BY TUESDAY
AFTERNOON...ESPECIALLY OVER THE MOUNTAINS OF SOUTHWEST IDAHO.  LATE
TUESDAY NIGHT INTO WEDNESDAY THE UPPER LEVEL TROUGH WILL MOVE EAST
OF THE FORECAST AREA WITH WESTERLY FLOW DEVELOPING OVER THE REGION.
THIS FLOW WILL KEEP THE REGION DRY WITH TEMPERATURES NEAR NORMAL
FROM WEDNESDAY THROUGH SATURDAY.

&&

.AVIATION...MVFR AND IFR VISIBILITY IN SMOKE OVER THE BOISE
MOUNTAINS.  MULTIPLE SMOKE LAYERS EXTENDING TO 15K FEET MSL.
ISOLATED HIGH-BASED THUNDERSTORMS IN HARNEY COUNTY OREGON EARLY THIS
EVENING WILL MOVE EAST THROUGH THE NIGHT AND BE IN SOUTHWEST IDAHO
BY SUNDAY MORNING.  THUNDERSTORMS COULD PRODUCE GUSTY AND ERRATIC
OUTFLOW WINDS.  SURFACE WINDS WILL BECOME LIGHT AND VARIABLE AFTER
SUNSET.  WINDS ALOFT TO 15 KNOTS TO 10K FEET MSL.

&&

.AIR STAGNATION...WITH ONLY LIGHT WINDS ALOFT UNDER UPPER RIDGE...
AND A THERMAL PRESSURE TROUGH AT THE SURFACE IN ERN OREGON...
WIDESPREAD SMOKE IN CENTRAL IDAHO DRIFTED WESTWARD INTO WRN IDAHO
THIS MORNING.  SMOKE IN THE BOISE VALLEY ORIGINATED FROM THE TRINITY
RIDGE FIRE IN NRN ELMORE COUNTY.  CONDITIONS HAVE IMPROVED SOMEWHAT
THIS AFTERNOON.  A SIMILAR SITUATION IS LIKELY MONDAY.  ANY
THUNDERSTORMS THAT FORM SUNDAY WILL SPREAD SMOKE LOCALLY OUTWARD BUT
IT IS IMPOSSIBLE TO TELL WHERE ANY GIVEN CELL WILL FORM.  IN ANY
CASE...NO GENERAL IMPROVEMENT IN THE SMOKY AIR IS EXPECTED THROUGH
MONDAY.

&&

.BOI WATCHES/WARNINGS/ADVISORIES...
ID...FIRE WEATHER WATCH FROM SUNDAY AFTERNOON THROUGH SUNDAY EVENING
      IDZ400>404-408-418-419.
OR...RED FLAG WARNING UNTIL 11 PM PDT THIS EVENING ORZ636.
     RED FLAG WARNING FROM 6 PM THIS EVENING TO MIDNIGHT MDT TONIGHT
      ORZ637.
     FIRE WEATHER WATCH FROM MIDNIGHT MDT TONIGHT THROUGH SUNDAY
      AFTERNOON ORZ637.

&&

WEATHER.GOV/BOISE

SHORT TERM...LC
LONG TERM....JA/CB
AVIATION.....JA
AIR STAGNATION...LC

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BOISE ID
602 AM MDT SAT AUG 18 2012

IDZ011>016-028>030-033-ORZ061>064-191215-
WEST CENTRAL MOUNTAINS-LOWER TREASURE VALLEY ID-BOISE MOUNTAINS-
UPPER TREASURE VALLEY-SOUTHWEST HIGHLANDS-WESTERN MAGIC VALLEY-
CAMAS PRAIRIE-OWYHEE MOUNTAINS-SOUTHERN TWIN FALLS COUNTY-
UPPER WEISER RIVER-HARNEY COUNTY-BAKER COUNTY-MALHEUR COUNTY-
LOWER TREASURE VALLEY OR-
602 AM MDT SAT AUG 18 2012 /502 AM PDT SAT AUG 18 2012/

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTH CENTRAL
IDAHO...SOUTHWEST IDAHO...WEST CENTRAL IDAHO...NORTHEAST OREGON
AND SOUTHEAST OREGON.

.DAY ONE...TODAY AND TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.