

000 

WGUS75 KTWC 270001

FFSTWC



FLASH FLOOD STATEMENT

NATIONAL WEATHER SERVICE TUCSON AZ

501 PM MST TUE AUG 26 2008



AZC019-270115-

/O.CON.KTWC.FF.W.0075.000000T0000Z-080827T0115Z/

/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

PIMA AZ-

501 PM MST TUE AUG 26 2008



...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 615 PM MST FOR EAST

CENTRAL PIMA COUNTY...



AT 445 PM MST...RADAR INDICATED THAT THE HEAVY RAINFALL BETWEEN 

SAHUARITA AND CORONA DE TUCSON HAD END. HOWEVER...AN AUTOMATED RAIN 

GAUGE ON SAHUARITA ROAD NEAR THE SEWAGE TREATMENT PLANT RECORED 1.30 

INCHES OF RAIN IN 1 HOUR. THIS AMOUNT OF RAIN IN A RATHER SHORT 

PERIOD OF TIME WAS LIKELY STILL CAUSING RUNOFF FLOODING EVEN THOUGH 

THE HEAVY RAIN HAD END THERE. 



THE OTHER AREA OF CONCERN WAS NEAR OR JUST EAST OF VAIL WHERE GAUGES 

AT CIENEGA CREEK AND THE PANTANO WASH A MILE SOUTHEAST OF COLOSSAL 

CAVE ROAD WERE INDICATING RAINFALL RATES OF OVER ONE-HALF OF AN INCH 

PER HOUR. GROUND RUNOFF WAS LIKELY CAUSING FLOODING PROBLEMS IN THIS 

AREA...AND THE PANTANO WASH WILL EVENTUALLY EXPERIENCE A SIGNIFICANT 

RISE IN FLOW DURING THE NEXT HOUR SOUTH OF VALENCIA ROAD. 



REMEMBER...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. MOVE TO HIGHER GROUND.



LAT...LON 3203 11093 3206 11075 3222 11048 3201 11048

      3192 11064 3186 11094



$$

