ZCZC NFDSPENES ALL SPENES NMZ000-AZZ000- . SATELLITE PRECIPITATION ESTIMATES..DATE/TIME 07/22/08 1957Z SATELLITE ANALYSIS BRANCH/NESDIS---NPPU---TEL.301-763-8678 LATEST DATA USED: GOES-11: 1946Z DS . LOCATION...NW/W NEW MEXICO...NE/E CENTRAL ARIZONA... . ATTN WFOS...ABQ...TWC...FGZ...PSR... ATTN RFCS...WGRFC...CBRFC... . EVENT...MERGER OVER NE AZ/NW NM BORDER..SLOW MOVING CELLS IN E CENTRAL AZ . SATELLITE ANALYSIS AND TRENDS...RECENT IR IMAGERY SHOWS SEVERAL AREAS OF CONCERN FOR LOCALLY HVY RAINS IN AZ/NM. ONE IS OVER THE AZ/NM BORDER IN NE APACHE/NW MCKINLEY/SW SAN JUAN COUNTIES WHERE A MERGER JUST OCCURRED BETWEEN 1900-1915Z. SMALL CELLS ARE ALSO GROWING OVER THE REST OF NRN APACHE AND APPEAR AS THOUGH ADDTL MERGERS MAY OCCUR OVER THAT COUNTY AS THE GROUP OF CELLS VERY SLOWLY PROGRESSES WWD WITH THE OUTFLOW. PART OF THE GROUP OF CELLS IS HANGING BACK THOUGH INTO THE NM COUNTIES PRODUCING LOCALLY HVY RAINS. ONE HR OBSERVATION FROM KRQE WAS 0.4" AND THE MERGER OCCURRED JUST N OF THERE AT THE SW CORNER OF SAN JUAN/NW CORNER OF MCKINLEY COUNTIES. STLT ESTIMATES HAD SHOWN RAIN RATES OF UP TO 1.1"/HR DURING THE MERGER AND 0.4" AMOUNTS ENDING 1916Z BUT ARE LIKELY UNDERDONE BY 0.3-0.5" AT THE POINT OF THE MERGER. . OTHER AREA TO WATCH IS OVER S APACHE/S NAVAJO/GILA/GRAHAM/E PINAL COUNTIES WHERE COLD TOP CELLS CONTINUE TO DVLP AND MERGERS WILL BE POSSIBLE DURING THE NEXT 2-4 HRS AS NEW CELLS FILL IN BETWEEN THOSE ALREADY PRESENT. ENTIRE NM/AZ BORDER AREA IS WITHIN STRONG THETA-E AXIS WITH PW'S OF 1.4-1.6" OF SW NM/SE AND E CENTRAL AZ..LESSENING A LITTLE TO 1-1.25" OVER THE NRN PART OF THE STATE BORDER INTO SW CO/SE UT. UPPER HIGH IS BECOMING MORE TIGHTLY COMPACTED BY JET OVER CA/LOW OVER W CENTRAL TX WHICH WILL ALLOW FOR S/WV'S TO HAVE MORE IMPACT AS THEY PROGRESS AROUND THE UPPER FEATURE. DIURNAL HEATING HAS BEEN ENOUGH THUS FAR AND CELL MOVEMENT IS SLOW WITH LIGHT WINDS WHICH WILL MAKE FOR HVY RAIN PRODUCERS. 1 HR AUTOMATED ESTIMATES ENDING 1930Z SHOW 1.1" MAX OVER S NAVAJO COUNTY. SEE WEB ADDRESS FOR GRAPHIC IN ABOUT 10 MIN. . SEE NCEP HPC DISCUSSION AND QPF/S FOR FORECAST. ....NESDIS IS A MEMBER OF 12 PLANET.... . SSD/SAB WEB ADDRESS FOR PRECIP ESTIMATES: HTTP://WWW.SSD.NOAA.GOV/PS/PCPN/ ...ALL LOWER CASE EXCEPT /PS/PCPN/ . LAT...LON 3626 10936 3600 10814 3257 10936 3332 11103 . NNNN