863 
FPUS66 KMFR 062057
AFDMFR

SOUTHWEST OREGON/NORTHEAST CALIFORNIA FORECAST DISCUSSION 
NATIONAL WEATHER SERVICE MEDFORD OR
230 PM PDT WED MAY 06 1998

SCT SHRA/TSRA POPPING UP IN LAKE...KLAMATH...AND MODOC COUNTIES ATTM. 
WITH THETA-E RIDGE STRECTHED ACRS SRN ORE/EXTRM NERN CA WOULD EXPECT
CONTINUED DEVELOPEMENT CASCADES EWD. ONSHORE FLOW AND MCLDY SKIES
STABILIZING AIRMASS W OF CASCADES BUT SCTD SHRA OR SPRINKLES STILL
POSSIBLE.  ALTHOUGH MID-UPR LVL ELY FLOW WILL PERSIST INTO THU THE
STUBBORN UPR LOW WILL LOSE MORE OF ITS INFLUENCE AS A RIDGE BUILDS
INTO THE COUNTY WARNING AREA.  ONLY ISOLATED TSRA POSSIBLE OVR THE
MTNS OF SC ORE AND NERN CA.  LOW LVL FLOW WILL CONTINUE ONSHORE AND
STRENGHTEN.  MARINE CLOUDS HAVING DIFFICULT TIME CLEARING OUT THIS
AFTN AND THAT WILL LIKELY BE THE CASE THROUGH FRI. NEXT TROUGH
SCHEDULED TO ARRIVE ON THE COAST LATE FRI AFTN. LIMITED OMEGA FIELD
TO SUPPORT ONLY FEW SHRA OR SPINKLES ON THE COAST. WILL STAY CLOSER
TO AVN TEMPS WHICH LOOKS MORE REASONABLE WITH INTRUSION OF MARINE AIR
AND CLOUD COVER. IN THE EXTENDED... TROUGH PASSES BY SAT FOR COOLER
TEMPS AND A FEW INSTABILITY SHRA.  SUN LOOKS MOSTLY DRY WITH SOME
RIDGING ALG THE PAC NW COAST. FOSTER

.KMFR...NONE 
        
.KMAX...VCP 21

...SEE PDXCCFPDX FOR CODED CITIES FORECAST

MFR BB 050/072 048/069 046 103111
LMT BB 042/067 041/066 039 105111
RBG BB 051/069 049/067 047 103112
4BK EE 051/061 049/061 047 101112
OTH EE 051/061 049/060 049 101113
YKA BB 044/070 043/067 042 103111
MHS BB 042/067 041/066 041 103111
S11 BB 042/068 039/067 038 105111