ZCZC NFDSPENES ALL
SPENES
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SATELLITE PRECIPITATION ESTIMATES..DATE/TIME 08/02/07 0430Z
SATELLITE ANALYSIS BRANCH/NESDIS---NPPU---TEL.301-763-8678
LATEST DATA USED: GOES-11 0400Z  HANNA
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LOCATION...ARIZONA...
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ATTN WFOS...TWC...FGZ...PSR...
ATTN RFCS...CBRFC...
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EVENT...SIGNIFICANT CONVECTIVE MERGER WITH ASSOCIATED OVERSHOOTING TOP
IN THE VIC OF S GRAHAM/N COCHISE COUNTIES
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SATELLITE ANALYSIS AND TRENDS...OVER THE LAST 30-60 MINUTES A SIGNIFICANT
CONVECTIVE MERGER HAS OCCURRED OVER N COCHISE COUNTY AND EXTREME S
GRAHAM COUNTIES.  0400Z IMAGERY WAS SHOWING A WELL DEFINED OVERSHOOTING
TOP ASSOCIATED WITH THIS MERGER OVER SW GRAHAM COUNTY.  VERY LITTLE FLOW
OBSERVED IN STEERING COLUMN ON TUS SOUNDING THIS EVENING AND THIS HAS
ALLOWED FOR VERY SLOW MOVING CELLS.  COMBINATION OF VIGOROUS UPDRAFTS
ASSOCIATED WITH OVERSHOOTING TOP (CLOUD TOP TEMPS TO -79C) AND ANOMALOUS
PRECIPITABLE WATERS OF AT LEAST 1.50" ON GOES SOUNDER AND 0Z RAOBS SHOULD
ALLOW FOR LOCAL RAINFALL RATES IN EXCESS OF 1.0"/HR TO PERHAPS TO 2.0"/HR
OVER SE GRAHAM COUNTY.  WILL CONTINUE TO MONITOR.
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SEE NCEP HPC DISCUSSION AND QPF/S FOR FORECAST.
....NESDIS IS A MEMBER OF 12 PLANET....
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SSD/SAB WEB ADDRESS FOR PRECIP ESTIMATES:
HTTP://WWW.SSD.NOAA.GOV/PS/PCPN/
...ALL LOWER CASE EXCEPT /PS/PCPN/
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LAT...LON 3385 11024 3363 10940 3178 10916 3130 10973 3131 11096
3192 11131 3278 11120 3351 11105
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