EFCC Weather Outlook 5 June 2012
Fire Season Key Elements From NWCC Below normal snowpack Early snowmelt Early snowmelt Long term drought Long term drought Below normal June rainfall Below normal June rainfall Dry July / August Dry July / August Dry lightning episodes (2-3 per summer) Dry lightning episodes (2-3 per summer) Below normal snowpack Early snowmelt Early snowmelt Long term drought Long term drought Below normal June rainfall Below normal June rainfall Dry July / August Dry July / August Dry lightning episodes (2-3 per summer) Dry lightning episodes (2-3 per summer)
Fire Season Key Elements From NWCC Below normal snowpack Early snowmelt Early snowmelt Long term drought Long term drought Below normal June rainfall Below normal June rainfall Dry July / August Dry July / August Dry lightning episodes (2-3 per summer) Dry lightning episodes (2-3 per summer) Below normal snowpack Early snowmelt Early snowmelt Long term drought Long term drought Below normal June rainfall Below normal June rainfall Dry July / August Dry July / August Dry lightning episodes (2-3 per summer) Dry lightning episodes (2-3 per summer)
Snow Water Equivalent By River Basin
Snow Water Equivalent By River Basin
Snow Water Equivalent By River Basin
Fire Season Key Elements From NWCC Below normal snowpack - YES Early snowmelt Early snowmelt Long term drought Long term drought Below normal June rainfall Below normal June rainfall Dry July / August Dry July / August Dry lightning episodes (2-3 per summer) Dry lightning episodes (2-3 per summer) Below normal snowpack - YES Early snowmelt Early snowmelt Long term drought Long term drought Below normal June rainfall Below normal June rainfall Dry July / August Dry July / August Dry lightning episodes (2-3 per summer) Dry lightning episodes (2-3 per summer)
Fire Season Key Elements From NWCC Below normal snowpack - YES Early snowmelt Early snowmelt Long term drought Long term drought Below normal June rainfall Below normal June rainfall Dry July / August Dry July / August Dry lightning episodes (2-3 per summer) Dry lightning episodes (2-3 per summer) Below normal snowpack - YES Early snowmelt Early snowmelt Long term drought Long term drought Below normal June rainfall Below normal June rainfall Dry July / August Dry July / August Dry lightning episodes (2-3 per summer) Dry lightning episodes (2-3 per summer)
Snow Water Equivalent Mt. Hood Test Site Average So Far Last Year
Snow Water Equivalent Cascade Summit (Central Cascades) Average This Year Last Year
Snow Water Equivalent Wolf Creek (NE Mountains) Average This Year Last Year
Fire Season Key Elements From NWCC Below normal snowpack - YES Early snowmelt - YES Early snowmelt - YES Long term drought Long term drought Below normal June rainfall Below normal June rainfall Dry July / August Dry July / August Dry lightning episodes (2-3 per summer) Dry lightning episodes (2-3 per summer) Below normal snowpack - YES Early snowmelt - YES Early snowmelt - YES Long term drought Long term drought Below normal June rainfall Below normal June rainfall Dry July / August Dry July / August Dry lightning episodes (2-3 per summer) Dry lightning episodes (2-3 per summer)
Fire Season Key Elements From NWCC Below normal snowpack - YES Early snowmelt - YES Early snowmelt - YES Long term drought Long term drought Below normal June rainfall Below normal June rainfall Dry July / August Dry July / August Dry lightning episodes (2-3 per summer) Dry lightning episodes (2-3 per summer) Below normal snowpack - YES Early snowmelt - YES Early snowmelt - YES Long term drought Long term drought Below normal June rainfall Below normal June rainfall Dry July / August Dry July / August Dry lightning episodes (2-3 per summer) Dry lightning episodes (2-3 per summer)
Drought Monitor May 29 th, 2012
Drought Monitor May 29 th, 2012
Fire Season Key Elements From NWCC Below normal snowpack - YES Early snowmelt - YES Early snowmelt - YES Long term drought – YES (South Central) Long term drought – YES (South Central) Below normal June rainfall Below normal June rainfall Dry July / August Dry July / August Dry lightning episodes (2-3 per summer) Dry lightning episodes (2-3 per summer) Below normal snowpack - YES Early snowmelt - YES Early snowmelt - YES Long term drought – YES (South Central) Long term drought – YES (South Central) Below normal June rainfall Below normal June rainfall Dry July / August Dry July / August Dry lightning episodes (2-3 per summer) Dry lightning episodes (2-3 per summer)
Fire Season Key Elements From NWCC Below normal snowpack - YES Early snowmelt - YES Early snowmelt - YES Long term drought – YES (South Central) Long term drought – YES (South Central) Below normal June rainfall Below normal June rainfall Dry July / August Dry July / August Dry lightning episodes (2-3 per summer) Dry lightning episodes (2-3 per summer) Below normal snowpack - YES Early snowmelt - YES Early snowmelt - YES Long term drought – YES (South Central) Long term drought – YES (South Central) Below normal June rainfall Below normal June rainfall Dry July / August Dry July / August Dry lightning episodes (2-3 per summer) Dry lightning episodes (2-3 per summer)
Precipitation Probability June 2012
Fire Season Key Elements From NWCC Below normal snowpack - YES Early snowmelt - YES Early snowmelt - YES Long term drought – YES (South Central) Long term drought – YES (South Central) Below normal June rainfall - No Below normal June rainfall - No Dry July / August Dry July / August Dry lightning episodes (2-3 per summer) Dry lightning episodes (2-3 per summer) Below normal snowpack - YES Early snowmelt - YES Early snowmelt - YES Long term drought – YES (South Central) Long term drought – YES (South Central) Below normal June rainfall - No Below normal June rainfall - No Dry July / August Dry July / August Dry lightning episodes (2-3 per summer) Dry lightning episodes (2-3 per summer)
Fire Season Key Elements From NWCC Below normal snowpack - YES Early snowmelt - YES Early snowmelt - YES Long term drought – YES (South Central) Long term drought – YES (South Central) Below normal June rainfall - No Below normal June rainfall - No Dry July / August Dry July / August Dry lightning episodes (2-3 per summer) Dry lightning episodes (2-3 per summer) Below normal snowpack - YES Early snowmelt - YES Early snowmelt - YES Long term drought – YES (South Central) Long term drought – YES (South Central) Below normal June rainfall - No Below normal June rainfall - No Dry July / August Dry July / August Dry lightning episodes (2-3 per summer) Dry lightning episodes (2-3 per summer)
Precipitation Probability July, August, September
Temperature Probability July, August, September
Fire Season Key Elements From NWCC Below normal snowpack - YES Early snowmelt - YES Early snowmelt - YES Long term drought – YES (South Central) Long term drought – YES (South Central) Below normal June rainfall - No Below normal June rainfall - No Dry July / August - YES Dry July / August - YES Dry lightning episodes (2-3 per summer) Dry lightning episodes (2-3 per summer) Below normal snowpack - YES Early snowmelt - YES Early snowmelt - YES Long term drought – YES (South Central) Long term drought – YES (South Central) Below normal June rainfall - No Below normal June rainfall - No Dry July / August - YES Dry July / August - YES Dry lightning episodes (2-3 per summer) Dry lightning episodes (2-3 per summer)
Fire Season Key Elements From NWCC Below normal snowpack - YES Early snowmelt - YES Early snowmelt - YES Long term drought – YES (South Central) Long term drought – YES (South Central) Below normal June rainfall - No Below normal June rainfall - No Dry July / August - YES Dry July / August - YES Dry lightning episodes (2-3 per summer) Dry lightning episodes (2-3 per summer) Below normal snowpack - YES Early snowmelt - YES Early snowmelt - YES Long term drought – YES (South Central) Long term drought – YES (South Central) Below normal June rainfall - No Below normal June rainfall - No Dry July / August - YES Dry July / August - YES Dry lightning episodes (2-3 per summer) Dry lightning episodes (2-3 per summer)
Fire Season Key Elements From NWCC Below normal snowpack - YES Early snowmelt - YES Early snowmelt - YES Long term drought – YES (South Central) Long term drought – YES (South Central) Below normal June rainfall - No Below normal June rainfall - No Dry July / August - YES Dry July / August - YES Dry lightning episodes (2-3 per summer) Dry lightning episodes (2-3 per summer) Remains to be Seen Remains to be Seen Below normal snowpack - YES Early snowmelt - YES Early snowmelt - YES Long term drought – YES (South Central) Long term drought – YES (South Central) Below normal June rainfall - No Below normal June rainfall - No Dry July / August - YES Dry July / August - YES Dry lightning episodes (2-3 per summer) Dry lightning episodes (2-3 per summer) Remains to be Seen Remains to be Seen
El Niño/La Niña Predictions Various Forecasting Techniques La Niña El Niño
El Niño/La Niña Predictions Various Forecasting Techniques
ENSO Neutral Summers 500mb Height
ENSO Neutral Summers 500mb Height Anomaly
ENSO Neutral Summers 850mb Temperature Anomaly
Analog Years El Niño/La Niña
Analog Years El Niño/La Niña Paul Werth
Analog Years El Niño/La Niña Paul Werth Pete Parsons
Analog Years El Niño/La Niña Paul Werth Pete Parsons Jim Little
EFCC Weather Outlook Bottom Line
EFCC Weather Outlook Bottom Line In many respects a rather “average” summer Driest areas east of Cascades Driest months August and September Best chances for dry lightning August and September
EFCC Weather Outlook 5 June 2012 Questions? Contact Questions? Contact
EFCC Weather Outlook 5 June 2012 Questions? Contact Questions? Contact
EFCC Weather Outlook 5 June 2012 Questions? Contact Questions? Contact