

000 

WGUS75 KTWC 250015

FFSTWC



FLASH FLOOD STATEMENT

NATIONAL WEATHER SERVICE TUCSON AZ

509 PM MST SUN JUL 24 2005



AZC019-250115-

PIMA AZ-

509 PM MST SUN JUL 24 2005



...A FLASH FLOOD WARNING CONTINUES UNTIL 615 PM MST FOR EXTREME 

NORTHEASTERN PIMA COUNTY...



AT 502 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 

INDICATE A THUNDERSTORM PRODUCING VERY HEAVY RAIN OVER THE SANTA 

CATALINA MOUNTAINS.  



LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO ALDER CANYON.



DOPPLER RADAR RAINFALL ESTIMATES WERE INDICATING ONE HOUR RAINFALL 

AMOUNTS AS HIGH AS 2 TO 2.5 INCHES OVER THE WARNED AREA. 

HOWEVER...RAINFALL REPORTS FROM AUTOMATED GAUGES IN THE AREA 

INDICATED THAT 0.87 INCHES HAD FALLEN AT GREEN MOUNTAIN IN A LITTLE 

OVER 30 MINUTES...AND 0.67 INCHES HAD FALLEN IN A LITTLE OVER 20 

MINUTES AT THE PALISADES RANGER STATION. MOUNT LEMMON RECEIVED ABOUT 

A HALF INCH IN LESS THAN 30 MINUTES.  



MOST OF THE RUNOFF FROM THESE STORMS WILL AFFECT BURN AREAS ON THE 

EAST SIDE OF THE CATALINAS IN THE ALDER CANYON DRAINAGE BASIN. 

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL 

CREEKS AND STREAMS...COUNTRY ROADS...AND ALONG THE BANKS OF CREEKS 

AND STREAMS.



DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE

ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS

SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY.

MOVE TO HIGHER GROUND.



A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.

IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.

RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE

PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS

SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY

AUTOMOBILE.



LAT...LON 3213 11065 3212 11046 3252 11047 3252 11080



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WEATHER.GOV/TUCSON

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