FXUS66 KSTO 110359
AFDSAC

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SACRAMENTO CA
900 PM PDT MON MAY 10 2004

.DISCUSSION...VORT MAX IN NORTHWEST FLOW TRIGGERED SOME ISOLATED 
SHOWERS OVER THE NORTHERN SACRAMENTO VALLEY EARLIER THIS EVENING 
WHICH DRIFTED SOUTHEAST INTO THE FOOTHILLS AND SIERRA NEVADA. 
ANOTHER CHANNELED VORT MAX SEEN ON WATER VAPOR IS BEGINNING TO MOVE 
INTO THE NORTHERN CWA AND WILL TAKE A PATH SIMILAR TO THE 
PREVIOUS ONE KEEPING A THREAT OF SHOWERS TONIGHT IN THE NORTH AND 
NORTHEAST. CLOUD TO GROUND STRIKES SEEN OVER SHASTA COUNTY AND AMS 
COLD ENOUGH TO SUPPORT HAIL AS EVIDENT BY SPOTTER REPORT EARLIER 
FROM BURNEY. WILL UPDATE EVENING ZONES TO KEEP PRECIP THREAT 
OVERNIGHT AND INCLUDE MENTION OF TSTM/HAIL. ANOTHER CHANNELED VORT 
PROGGED BY MODELS TO SLIDE ACROSS TUESDAY AFTERNOON FOR CONTINUED 
THREAT OF CONVECTIVE ACTIVITY THEN AMS BEGINS TO STABILIZE 
TUESDAY NIGHT AS UPPER LOW SHIFTS EAST AS HEIGHTS BEGIN TO RISE 
ALONG THE WEST COAST.

&&

.STO WATCHES/WARNINGS/ADVISORIES...NONE.

&&

$$

PCH