Click for Day 1 FireWX Areal Outline Product
ZCZC SPCFWDDY1 ALL
FNUS21 KWNS 090827
DAY 1 FIRE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0327 AM CDT MON OCT 09 2006
VALID 091200Z - 101200Z
...CRITICAL FIRE WEATHER AREA FOR PORTIONS OF WRN ORE AND NRN CA...
...SYNOPSIS...
INTENSIFYING UPPER LEVEL TROUGH ACROSS ID WILL DIG SWWD ACROSS THE
NRN GREAT BASIN THROUGH TUESDAY MORNING. A MID-LEVEL N/NELY SPEED
MAX WILL DEVELOP FROM ERN WA SWWD INTO NRN CA. TO THE S OF THE
TROUGH AND ASSOCIATED SPEED MAX...SURFACE LOW PRESSURE WILL
STRENGTHEN ACROSS THE SRN GREAT BASIN. MEANWHILE...SURFACE HIGH
PRESSURE WILL REMAIN ANCHORED ACROSS THE NRN ROCKIES/HIGH PLAINS.
THIS WILL LEAD TO A TIGHTER SURFACE PRESSURE GRADIENT ACROSS ORE/NRN
CA LATER TODAY THROUGH TONIGHT.
...CRITICAL FIRE WEATHER AREA - PORTIONS OF WRN ORE AND NRN CA...
PRIMARY CONDITIONS: STRONG WINDS / LOW RH
OFFSHORE WINDS WILL DEVELOP BY THIS AFTERNOON ACROSS ORE AS
LOW/MID-LEVEL NELY WINDS INTENSIFY THROUGH THE DAY IN THE SUBSIDENCE
REGION OF THE ID/NRN NV UPPER LOW. AS TEMPERATURES WARM THROUGH
DAYTIME HEATING...LOW-LEVEL LAPSE RATES WILL STEEPEN AND HELP TO
MECHANICALLY MIX THE STRONGER WINDS ALOFT. SUSTAINED SURFACE WINDS
OF 20 TO 30 MPH APPEAR LIKELY BY LATE AFTERNOON THROUGH THE EVENING
HOURS. DOWNSLOPE WARMING/DRYING SHOULD ALLOW TEMPERATURES TO WARM
INTO THE 70S WITH RH VALUES DROPPING TO 15 TO 20 PERCENT IN THE
VALLEYS W OF THE CASCADES. THE MOST INTENSE LOW-LEVEL WINDS WILL
LIKELY OCCUR AFTER SUNSET WITH GUSTS AS HIGH AS 50 MPH POSSIBLE IN
PASSES.
FURTHER S...SUSTAINED WINDS WILL MOST LIKELY REACH 20 MPH DURING THE
EVENING/OVERNIGHT HOURS AS BOTH LOW/MID-LEVEL WINDS INCREASE OWING
TO THE APPROACH OF THE NV LOW. CRITICALLY LOW RH /FROM 10 TO 15
PERCENT/ SHOULD DEVELOP BY SUNSET AS THE DOWNSLOPE FLOW WORKS TO DRY
THE LOW-LEVEL COLUMN. POOR RH RECOVERY CAN BE EXPECTED OVERNIGHT
WITH THE GUSTY N/NE WINDS CONTINUING.
...ERN WA...
AREAS OF RAIN WHICH FELL ON SUNDAY ALONG WITH EXPECTED MARGINALLY
LOW RH AND WEAKER WINDS COMPARED TO LOCATIONS FURTHER SW
NECESSITATES A DOWNGRADE FROM THE DAY 2 OUTLOOK. LOCALIZED CRITICAL
CONDITIONS MAY STILL DEVELOP BUT A WIDESPREAD EVENT IS NOT
ANTICIPATED. TEMPERATURES SHOULD ONLY WARM INTO THE UPPER 50S AND
60S WITH DEW POINTS DRYING INTO THE UPPER TEENS/20S. THIS SHOULD
PRODUCE MARGINALLY LOW RH OF AROUND 20 PERCENT. SUSTAINED NELY WINDS
WILL LIKELY REACH 15 TO 20 MPH FROM LATE MORNING THROUGH THE
AFTERNOON.
..GRAMS.. 10/09/2006
...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...
Click for Day 2 FireWX Areal Outline Product
ZCZC SPCFWDDY2 ALL
FNUS22 KWNS 090924
DAY 2 FIRE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0424 AM CDT MON OCT 09 2006
VALID 101200Z - 111200Z
...CRITICAL FIRE WEATHER AREA FOR PORTIONS OF SWRN ORE AND NRN CA...
...SYNOPSIS...
A CLOSED UPPER LEVEL LOW IS EXPECTED TO BE NEAR THE NRN SIERRAS
TUESDAY MORNING. THIS LOW WILL MOVE SLOWLY W/SWWD OFF THE NRN CA
COAST AS A LARGE DOWNSTREAM TROUGH AMPLIFIES OVER THE UPPER MIDWEST.
A MID-LEVEL SPEED MAX IN ASSOCIATION WITH THE CA LOW SHOULD BEGIN TO
MOVE OFFSHORE FROM WRN ORE/NRN CA. AT THE SURFACE...HIGH PRESSURE
ACROSS THE NRN ROCKIES SHOULD WEAKEN AS AN INTENSE SWD-SINKING COLD
FRONT APPROACHES.
...CRITICAL FIRE WEATHER AREA - PORTIONS OF SWRN ORE AND NRN CA...
PRIMARY CONDITIONS: POOR RH RECOVERY / GUSTY WINDS
GUSTY OFFSHORE WINDS WILL LIKELY BE ONGOING TUESDAY MORNING TO THE
N/NW OF THE MID-LEVEL LOW EXPECTED TO BE NEAR RNO. LOW-LEVEL WINDS
SHOULD DIMINISH AND BECOME MORE ELY THROUGH THE DAY AS THE LOW
TRACKS TO THE WSW AND HIGH PRESSURE WEAKENS ACROSS THE NRN ROCKIES.
HOWEVER...STEEPENING LOW-LEVEL LAPSE RATES VIA DAYTIME HEATING WILL
LIKELY MAINTAIN SUSTAINED WINDS AROUND 20 TO 25 MPH THROUGH MOST OF
THE AFTERNOON. MORNING RH SHOULD ALREADY BE LOW DUE TO THE GUSTY
DOWNSLOPE WINDS W OF THE CASCADES/SISKIYOUS. AS TEMPERATURES WARM
INTO THE 70S/LOWER 80S...RH VALUES WILL LIKELY DROP TO AROUND 15
PERCENT. GUSTY WINDS MAY CONTINUE OVERNIGHT...HOWEVER SPEEDS SHOULD
BE MUCH LESS COMPARED TO MONDAY NIGHT. THIS WILL LEAD TO IMPROVED RH
RECOVERY WEDNESDAY MORNING.
..GRAMS.. 10/09/2006
...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...