799  
WGUS75 KFGZ 130253  
FFSFGZ  
 
FLASH FLOOD STATEMENT  
NATIONAL WEATHER SERVICE FLAGSTAFF AZ  
753 PM MST TUE SEP 12 2023  
 
AZC007-130415-  
/O.CON.KFGZ.FF.W.0062.000000T0000Z-230913T0415Z/  
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/  
GILA AZ-  
753 PM MST TUE SEP 12 2023  
 
...FLASH FLOOD WARNING FOR THE SLATE CREEK BASIN REMAINS IN EFFECT  
UNTIL 915 PM MST THIS EVENING FOR GILA COUNTY...  
 
AT 750 PM MST, DOPPLER RADAR INDICATED THAT THE HEAVY RAINFALL HAS  
ENDED OVER THE SLATE CREEK BASIN. BETWEEN 1.5 AND 2.5 INCHES OF RAIN  
HAS FALLEN FROM EARLIER THUNDERSTORMS. FLASH FLOODING IS ONGOING OR  
EXPECTED TO BEGIN SHORTLY.  
 
HAZARD...LIFE-THREATENING FLASH FLOODING. THUNDERSTORMS PRODUCING  
FLASH FLOODING IN AND AROUND THE SLATE CREEK BASIN.  
 
SOURCE...RADAR AND AUTOMATED GAUGES.  
 
IMPACT...LIFE THREATENING FLASH FLOODING OF AREAS IN AND AROUND  
THE SLATE CREEK BASIN.  
 
SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING INCLUDE...  
OAK SPRING CANYON.  
 
THIS INCLUDES THE FOLLOWING HIGHWAYS...  
STATE ROUTE 188 BETWEEN MILE MARKERS 267 AND 272.  
STATE ROUTE 87 BETWEEN MILE MARKERS 230 AND 233.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
GET TO HIGHER GROUND IMMEDIATELY! RAGING FLASH FLOOD WATERS AND  
DEBRIS WILL INUNDATE RESIDENCES NEAR STATE ROUTE 188 ALONG THE BANKS  
OF SLATE CREEK.  
 
TURN AROUND, DON'T DROWN! NATIONAL FOREST SERVICE ROAD 26 AND LOW  
WATER CROSSINGS THROUGH SLATE CREEK WILL BE WASHED OUT AND  
IMPASSABLE. FLOOD WATERS MAY OVERTOP STATE ROUTE 188 AS CULVERTS  
BECOME CLOGGED FROM FLOOD DEBRIS.  
 
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE  
DANGERS OF FLOODING.  
 

 
 
LAT...LON 3401 11143 3401 11135 3399 11129 3397 11130  
3394 11129 3392 11130 3397 11141  
 
FLASH FLOOD...RADAR AND GAUGE INDICATED  
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE  
 

 
 
HUMPHREYS  
 
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