URGENT - FIRE WEATHER MESSAGE-SCATTERED THUNDERSTORMS POSSIBLE ACROSS NORCAL LATE MONDAY AFTERNOON -WE
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G. Alan Ferguson
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Aug 17, 2013, 10:07:52 PM8/17/13
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to Scott Valley CERT
URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MEDFORD OR
306 PM PDT SAT AUG 17 2013
...SCATTERED THUNDERSTORMS POSSIBLE ACROSS NORTHERN CALIFORNIA LATE MONDAY AFTERNOON THROUGH WEDNESDAY EVENING...
.AN UPPER LOW WILL REMAIN ALONG THE CALIFORNIA COAST MONDAY AND TUESDAY...THEN GRADUALLY SHIFT NORTHWARD AND INLAND WEDNESDAY AND THURSDAY. AHEAD OF THIS LOW MOISTURE AND INSTABILITY WILL MOVE INTO THE AREA AND MAY PRODUCE SCATTERED THUNDERSTORMS EACH AFTERNOON AND EVENING BEGINNING MONDAY AND CONTINUING THROUGH WEDNESDAY. MOISTURE WILL INCREASE WITH INCREASING CHANCES FOR WETTING RAINS WITH STORMS BY TUESDAY. STORMS MAY PERSIST ON THURSDAY BUT INCREASING RAINFALL OVER THE AREA MAY LESSEN THE IMPACT.
CAZ280>282-284-285-181015- /O.NEW.KMFR.FW.A.0009.130819T2100Z-130822T0600Z/ WESTERN KLAMATH NATIONAL FOREST- CENTRAL SISKIYOU COUNTY INCLUDING SHASTA VALLEY-SHASTA- TRINITY NATIONAL FOREST IN SISKIYOU COUNTY- SISKIYOU COUNTY FROM THE CASCADE MOUNTAINS EAST AND SOUTH TO MT SHASTA-MODOC COUNTY EXCEPT FOR THE SURPRISE VALLEY- 306 PM PDT SAT AUG 17 2013
...FIRE WEATHER WATCH IN EFFECT FROM MONDAY AFTERNOON THROUGH WEDNESDAY EVENING FOR ABUNDANT LIGHTNING WITH DRY FUELS FOR FIRE WEATHER ZONES 280...281...282...284 AND 285...
THE NATIONAL WEATHER SERVICE IN MEDFORD HAS ISSUED A FIRE WEATHER WATCH...WHICH IS IN EFFECT FROM MONDAY AFTERNOON THROUGH WEDNESDAY EVENING.
* AFFECTED AREA: FIRE WEATHER ZONES 281...285...282...284 AND 280
* THUNDERSTORMS...ISOLATED THUNDERSTORMS ARE EXPECTED TO DEVELOP MONDAY AFTERNOON IN SISKIYOU AND MODOC COUNTIES AND MAY INCREASE IN COVERAGE, BECOMING SCATTERED LATE MONDAY AFTERNOON AND MONDAY EVENING. ISOLATED THUNDERSTORMS MAY CONTINUE OVERNIGHT. THEN THUNDERSTORM CHANCES INCREASE AGAIN TUESDAY AFTERNOON AND EVENING WITH SCATTERED STORMS LIKELY. THIS POTENTIAL FOR SCATTERED THUNDERSTORMS CONTINUES THROUGH WEDNESDAY EVENING.
* RAINFALL...STORMS ARE INITIALLY EXPECTED TO BE A MIX OF WET AND DRY ON MONDAY. THEN AS THE ATMOSPHERE MOISTENS, EXPECT INCREASING CHANCES FOR WETTING RAINS BY TUESDAY.
* OUTFLOW WINDS...GUSTS OF 30 TO 40 MPH WILL BE POSSIBLE.
* IMPACTS...ABUNDANT LIGHTNING ON DRY FUELS MAY RESULT IN NEW FIRE STARTS. OUTFLOW WINDS WILL CAUSE NEW FIRES TO SPREAD.