599
FGUS75 KPSR 271801
ESFPSR
AZZ530>563-CAZ560>570-281215-
HYDROLOGIC OUTLOOK
NATIONAL WEATHER SERVICE PHOENIX AZ
1101 AM MST THU SEP 27 2018 /1101 AM PDT THU SEP 27 2018/
..HEAVY RAIN POSSIBLE SUNDAY THROUGH TUESDAY
* IMPACTS: LOCALIZED FLOODING CAUSING SOME ROADS TO BE IMPASSABLE.
WATERWAYS MAY EXIT THEIR BANKS AND IMPACT NEARBY STRUCTURES.
* CONFIDENCE: HIGH ON POTENTIAL FOR RAIN. MEDIUM ON TIMING,
LOCATIONS, AND AMOUNTS.
* WHAT: HEAVY RAIN. WIDESPREAD AMOUNTS OF 1 TO 2 INCHES WITH
LOCALIZED AMOUNTS UP TO 4 INCHES.
* WHERE: ACROSS THE SOUTHWEST US, INCLUDING SOUTH-CENTRAL AND
SOUTHWEST ARIZONA AND SOUTHEAST CALIFORNIA. THIS INCLUDES
PHOENIX, AZ, YUMA, AZ, GLOBE, AZ, CASA GRANDE, AZ, AND THE
IMPERIAL VALLEY,CA.
* WHEN: BEGINNING SUNDAY NIGHT AND CONTINUING THROUGH TUESDAY.
* SUMMARY: ABUNDANT MOISTURE ASSOCIATED WITH A TROPICAL SYSTEM
WILL MOVE NORTHWARD INTO THE SOUTHWEST US. MEANWHILE, A LOW
PRESSURE SYSTEM TO THE NORTHWEST WILL MOVE THROUGH CALIFORNIA
AND THE FOUR CORNERS STATES. THIS SETUP WILL LIKELY CAUSE
WIDESPREAD RAIN TO DEVELOP. RAIN RATES MAY BE QUITE HIGH AT
TIMES, IN EXCESS OF 2 TO 4 INCHES PER HOUR, WHICH WILL HAVE THE
POTENTIAL TO CAUSE LOCALIZED FLOODING. DUE TO THE DURATION OF
THE EVENT, THE POTENTIAL EXISTS FOR MORE WIDESPREAD FLOODING TO
OCCUR.
CONTINUE TO MONITOR FORECASTS FOR UPDATES AS THIS SITUATION
UNFOLDS. FOLLOW NWS PHOENIX ON FACEBOOK AT
WWW.FACEBOOK.COM/NWSPHOENIX AND ON TWITTER AT
WWW.TWITTER.COM/NWSPHOENIX.
INIGUEZ/ROGERS
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