733  
WGUS45 KTWC 292300  
FLWTWC  
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED  
FLOOD WARNING  
NATIONAL WEATHER SERVICE TUCSON AZ  
400 PM MST TUE SEP 29 2026  
 
AZC019-300600-  
/O.NEW.KTWC.FA.W.0008.260929T2300Z-260930T0600Z/  
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/  
PIMA AZ-  
400 PM MST TUE SEP 29 2026  
   
..FLOOD WARNING IN EFFECT UNTIL 11 PM MST THIS EVENING  
 
...REPLACES FLASH FLOOD WARNING...  
 
* WHAT...FLOODING CAUSED BY EXCESSIVE RAINFALL IS EXPECTED.  
 
* WHERE...NORTHEASTERN PIMA COUNTY IN SOUTHEASTERN ARIZONA...  
 
* WHEN...UNTIL 1100 PM MST TUESDAY.  
 
* IMPACTS...FLOODING OF RIVERS, CREEKS, STREAMS, AND OTHER LOW-LYING  
AND FLOOD-PRONE LOCATIONS IS IMMINENT OR OCCURRING. LOW-WATER  
CROSSINGS ARE INUNDATED WITH WATER AND MAY NOT BE PASSABLE.  
 
* ADDITIONAL DETAILS...  
- AT 400 PM MST, DOPPLER RADAR AND AUTOMATED RAIN GAUGES INDICATED  
HEAVY RAIN DUE TO THUNDERSTORMS. FLOODING IS ONGOING OR EXPECTED  
TO BEGIN SHORTLY IN THE WARNED AREA. BETWEEN 1 AND 4 INCHES OF  
RAIN HAVE FALLEN.  
- ADDITIONAL RAINFALL AMOUNTS UP TO 0.1 INCHES ARE POSSIBLE IN THE  
WARNED AREA.  
- SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...  
FLOWING WELLS, MOUNT LEMMON/SUMMERHAVEN, SABINO CANYON RECREATION  
AREA, CATALINA FOOTHILLS AND SEVEN FALLS.  
- THIS INCLUDES THE FOLLOWING HIGHWAYS...  
ROUTE 77 NEAR MILE MARKER 72. INTERSTATE 10 BETWEEN MILE MARKERS  
250 AND 252.  
 
THIS INCLUDES THE FOLLOWING FLASH FLOOD PRONE LOCATIONS...  
CAMINO DE LA TIERRA AT THE RILLITO RIVER AND SNYDER RD FROM KOLB  
RD TO SABINO CANYON RD.  
- HTTP://WWW.WEATHER.GOV/SAFETY/FLOOD  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
TURN AROUND, DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD  
DEATHS OCCUR IN VEHICLES.  
 
 
 
LAT...LON 3238 11066 3230 11080 3224 11080 3230 11105  
3232 11107 3233 11106 3230 11098 3229 11094  
3238 11088 3245 11077  
 
 
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