Prognostic Meteorological Discussion
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000
FXUS10 KWNH 021604
PMDHMD

MODEL DIAGNOSTIC DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
1203 PM EDT SAT MAY 02 2015

VALID MAY 02/1200 UTC THRU MAY 06/0000 UTC

...SEE NOUS42 KWNO (ADMNFD) FOR THE STATUS OF THE UPPER AIR
INGEST...

...12Z NAM/GFS EVALUATION AND PRELIMINARY PREFERENCES...

SHORTWAVE TROUGH OVER THE PACIFIC NORTHWEST...
SHORTWAVE TROUGH MOVING ACROSS THE SOUTHWEST MON-TUE...

MODELS SHOW GOOD LARGE-SCALE AGREEMENT THROUGH THE NEXT 84 HOURS.
REFER TO THE QPFPFD FOR MORE INFORMATION ON PRECIPITATION
PREFERENCES.

SHORTWAVE TROUGH MOVING ACROSS THE PACIFIC NORTHWEST TUE...

OTHER THAN THE 00Z CANADIAN...WHICH LIES NEAR THE SLOW EDGE OF THE
GUIDANCE...MODELS SHOW GOOD LARGE-SCALE AGREEMENT.

PREFERENCE: NAM OR GFS
CONFIDENCE: ABOVE AVERAGE

...MODEL TREND GRAPHICS AT
www.wpc.ncep.noaa.gov/html/model2.shtml...

...500 MB FORECASTS AT
www.wpc.ncep.noaa.gov/h5pref/h5pref.shtml...

JAMES


$$




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