

000 

WGUS75 KTWC 231336

FFSTWC



FLASH FLOOD STATEMENT

NATIONAL WEATHER SERVICE TUCSON AZ

635 AM MST TUE AUG 23 2005



AZC019-231415-

PIMA AZ-

635 AM MST TUE AUG 23 2005



...A FLASH FLOOD WARNING CONTINUES UNTIL 715 AM MST FOR NORTHEASTERN

PIMA COUNTY...



AT 635 AM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 

INDICATE A THUNDERSTORM PRODUCING FLASH FLOODING MAINLY SOUTH OF THE 

TUCSON METRO AREA...IN AN AREA BOUNDED BY VALENCIA AND SAHUARITA 

ROADS. IN ADDITION...VERY HEAVY RAINFALL IS BEING REPORTED ACROSS 

FAR NORTHEAST TUCSON. THESE STORMS CONTINUE TO REDEVELOP AND MOVE 

NORTHEAST AT 20 MPH.



SEVERAL REPORTS OF STALLED VEHICLES HAVE BEEN REPORTED...ESPECIALLY 

ACROSS SOUTH TUCSON. THE STONE UNDERPASS NEAR 6TH STREET AND THE 

INTERSECTION OF PARK AND AJO WERE BOTH CLOSED.



THE HEAVIEST RAINFALL HAS FALLEN ALONG AND SOUTH OF VALENCIA ROAD TO 

SAHUARITA ROAD...INCLUDING THE TUCSON INTERNATIONAL AIRPORT. ORO 

VALLEY...CATALINA AND THE CATALINA FOOTHILLS HAVE ALSO RECEIVED VERY 

HEAVY RAIN. AN ESTIMATED 1.50 TO 2.00 INCHES OF RAIN HAS FALLEN 

ACROSS CERTAIN LOCATIONS. THESE STORMS HAVE HAD A HISTORY OF 

PRODUCING RAINFALL RATES BETWEEN 2 AND 2.5 INCHES PER HOUR.  



AUTOMATED RAINFALL GAGES REPORTED...



1.86 INCHES NEAR WILMOT AND INTERSTATE 10

1.46 INCHES OVER THE SANTA CRUZ RIVER NEAR VALENCIA. 

1.38 INCHES THE CDO WASH AND GOLDER RANCH.

1.34 INCHES ALONG THE CATALINA HIGHWAY AT MILEPOST 3.

1.22 INCHES AT COUNTRY CLUB AND COLUMBIA.

1.21 INCHES AT THE TUCSON INTERNATIONAL AIRPORT.

1.10 INCHES AT VALENCIA ROAD NEAR THE PIMA AIR MUSEUM.

0.99 INCHES AT THE NATIONAL WEATHER SERVICE OFFICE ON THE UNIVERSITY 

OF ARIZONA CAMPUS.

0.83 INCHES AT THE TANQUE VERDE GUEST RANCH.

0.71 INCHES AT AGUA CALIENTE PARK.

0.67 INCHES AT SABINO CANYON DAM.

0.67 AT HOUGHTON ROAD AT THE PANTANO WASH.



EXCESSIVE RAINFALL RUNOFF FROM WILL CAUSE FLOODING OF NORMALLY DRY 

WASHES...ROADWAY DIPS AND OTHER LOW LYING AREAS. 



BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE 

DANGERS OF FLOODING. 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. NEVER ATTEMPT TO DRIVE AROUND BARRICADES.



LAT...LON 3250 11134 3191 11128 3179 11047 3252 11047



$$



WEATHER.GOV/TUCSON

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