996  
WGUS65 KCYS 251220  
FFACYS  
 
URGENT - IMMEDIATE BROADCAST REQUESTED  
FLOOD WATCH  
NATIONAL WEATHER SERVICE CHEYENNE WY  
620 AM MDT FRI AUG 25 2023  
 
.HEAVY RAINFALL POSSIBLE FRIDAY MORNING THROUGH SATURDAY MORNING  
FROM REMNANTS OF TROPICAL STORM HAROLD.  
 
NEZ055-260000-  
/O.EXA.KCYS.FA.A.0010.000000T0000Z-230826T1200Z/  
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/  
CHEYENNE COUNTY-  
INCLUDING THE CITIES OF SIDNEY AND BROWNSON  
620 AM MDT FRI AUG 25 2023  
   
..FLOOD WATCH IN EFFECT THROUGH LATE TONIGHT
 
 
* WHAT...FLASH FLOODING CAUSED BY EXCESSIVE RAINFALL IS POSSIBLE.  
 
* WHERE...A PORTION OF PANHANDLE NEBRASKA, INCLUDING THE FOLLOWING  
COUNTY, CHEYENNE COUNTY.  
 
* WHEN...THROUGH LATE TONIGHT.  
 
* IMPACTS...EXCESSIVE RUNOFF MAY RESULT IN FLOODING OF RIVERS,  
CREEKS, STREAMS, AND OTHER LOW-LYING AND FLOOD-PRONE LOCATIONS.  
FLOODING MAY OCCUR IN POOR DRAINAGE AND URBAN AREAS. LOW-WATER  
CROSSINGS MAY BE FLOODED.  
 
* ADDITIONAL DETAILS...  
- HEAVY RAINFALL HAS BEEN OBSERVED AT THE KSNY ASOS, WHICH HAS  
PICKED UP 0.86" IN ABOUT AN HOUR IN THE FIRST ROUND OF  
THUNDERSTORMS. RADAR TRENDS SHOW THUNDERSTORMS ARE TRAINING  
OVER THE AREA WHICH WILL ADD TO THE ALREADY HIGH RAINFALL  
TOTALS.  
- HTTP://WWW.WEATHER.GOV/SAFETY/FLOOD  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION  
SHOULD FLASH FLOOD WARNINGS BE ISSUED.  
 

 
 

 
 
NEZ054-WYZ115>119-260000-  
/O.CON.KCYS.FA.A.0010.000000T0000Z-230826T1200Z/  
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/  
KIMBALL COUNTY-LARAMIE VALLEY-SOUTH LARAMIE RANGE-SOUTH LARAMIE  
RANGE FOOTHILLS-CENTRAL LARAMIE COUNTY-EAST LARAMIE COUNTY-  
INCLUDING THE CITIES OF HORSE CREEK, PUMPKIN VINE, FEDERAL, PINE  
BLUFFS, BOSLER, WHITAKER, LARAMIE, VEDAUWOO, CHEYENNE, BUFORD, AND  
KIMBALL  
620 AM MDT FRI AUG 25 2023  
   
..FLOOD WATCH REMAINS IN EFFECT THROUGH LATE TONIGHT
 
 
* WHAT...FLASH FLOODING CAUSED BY EXCESSIVE RAINFALL CONTINUES TO BE  
POSSIBLE.  
 
* WHERE...PORTIONS OF PANHANDLE NEBRASKA AND SOUTHEAST WYOMING,  
INCLUDING THE FOLLOWING AREAS, IN PANHANDLE NEBRASKA, KIMBALL  
COUNTY. IN SOUTHEAST WYOMING, CENTRAL LARAMIE COUNTY, EAST LARAMIE  
COUNTY, LARAMIE VALLEY, SOUTH LARAMIE RANGE AND SOUTH LARAMIE  
RANGE FOOTHILLS.  
 
* WHEN...THROUGH LATE TONIGHT.  
 
* IMPACTS...EXCESSIVE RUNOFF MAY RESULT IN FLOODING OF RIVERS,  
CREEKS, STREAMS, AND OTHER LOW-LYING AND FLOOD-PRONE LOCATIONS.  
FLOODING MAY OCCUR IN POOR DRAINAGE AND URBAN AREAS. LOW-WATER  
CROSSINGS MAY BE FLOODED.  
 
* ADDITIONAL DETAILS...  
- HEAVY RAINFALL POSSIBLE ALONG THE INTERSTATE 80 CORRIDOR FROM  
KIMBALL TO LARAMIE FRIDAY MORNING THROUGH SATURDAY MORNING.  
SLOW MOVING STORMS AND TRAINING STORMS MAY PRODUCE HEAVY  
RAINFALL. EXCESSIVE RUNOFF FROM HEAVY RAINS COULD LEAD TO  
FLASH FLOODING IN SOME AREAS.  
- HTTP://WWW.WEATHER.GOV/SAFETY/FLOOD  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION  
SHOULD FLASH FLOOD WARNINGS BE ISSUED.  
 

 
 

 
 
WOODWARD  
 
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