598  
WGUS65 KPIH 301736  
FFAPIH  
 
FLOOD WATCH  
NATIONAL WEATHER SERVICE POCATELLO ID  
1136 AM MDT THU MAR 30 2017  
 
IDZ017>019-022>025-031-032-312000-  
/O.CON.KPIH.FA.A.0006.000000T0000Z-170401T0000Z/  
/00000.0.SM.000000T0000Z.000000T0000Z.000000T0000Z.OO/  
EASTERN MAGIC VALLEY-SAWTOOTH MOUNTAINS-UPPER SNAKE HIGHLANDS-  
SOUTH CENTRAL HIGHLANDS-CARIBOU HIGHLANDS-  
CACHE VALLEY/IDAHO PORTION-WASATCH MOUNTAINS/IDAHO PORTION-  
BIG AND LITTLE WOOD RIVER REGION-LOST RIVER/PAHSIMEROI-  
INCLUDING THE CITIES OF BURLEY, RUPERT, HEYBURN, STANLEY,  
CLAYTON, ST. ANTHONY, ASHTON, ISLAND PARK, DRIGGS, VICTOR,  
MALAD CITY, OAKLEY, ROCKLAND, HENRY, SODA SPRINGS, DOWNEY,  
LAVA HOT SPRINGS, PRESTON, MONTPELIER, HAILEY, KETCHUM, BELLEVUE,  
ARCO, CHALLIS, AND MACKAY  
1136 AM MDT THU MAR 30 2017  
   
..FLOOD WATCH REMAINS IN EFFECT THROUGH FRIDAY AFTERNOON
 
 
THE FLOOD WATCH CONTINUES FOR  
 
* PORTIONS OF CENTRAL IDAHO, EASTERN IDAHO, SOUTH CENTRAL IDAHO,  
AND SOUTHEAST IDAHO, INCLUDING THE FOLLOWING AREAS, IN CENTRAL  
IDAHO, BIG AND LITTLE WOOD RIVER REGION, LOST  
RIVER/PAHSIMEROI, AND SAWTOOTH MOUNTAINS. IN EASTERN IDAHO,  
UPPER SNAKE HIGHLANDS. IN SOUTH CENTRAL IDAHO, EASTERN MAGIC  
VALLEY. IN SOUTHEAST IDAHO, CACHE VALLEY/IDAHO PORTION,  
CARIBOU HIGHLANDS, SOUTH CENTRAL HIGHLANDS, AND WASATCH  
MOUNTAINS/IDAHO PORTION.  
 
* THROUGH FRIDAY AFTERNOON  
 
* EXCESSIVE SNOWMELT ALONG WITH RAINFALL.  
 
* ABOVE FREEZING TEMPERATURES AND MODERATE TO HEAVY RAINFALL TODAY  
WILL EXACERBATE SNOWMELT ACROSS THE WATCH AREA RESULTING IN THE  
POTENTIAL FOR FLOODING IN LOWER ELEVATIONS THROUGH FRIDAY.  
 
* WATER CONTINUED TO FLOW OVER THE MAGIC DAM SPILLWAY WITH  
DOWNSTREAM FLOWS ON THE BIG WOOD RIVER ACROSS LINCOLN COUNTY  
EXPECTED TO REACH UPWARDS OF 5000 CFS AROUND 6 PM MDT THURSDAY  
EVENING. AT 5300 CFS, FLOODWATERS SPREAD DOWNSTREAM FROM THE  
RESERVOIR ALONG THE BIG WOOD RIVER REACHING WITHIN ONE FOOT OF HIGHWAY  
75. THE FLOODING IS EXPECTED TO BE SIMILAR TO THE EVENT THAT  
OCCURRED IN 2006.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
A FLOOD WATCH MEANS THERE IS A POTENTIAL FOR FLOODING BASED ON  
CURRENT FORECASTS.  
 
INDIVIDUALS LIVING NEAR THE BIG WOOD RIVER DOWNSTREAM OF THE  
MAGIC DAM SHOULD BE ALERT TO POSSIBLE FLOODING.  
 
YOU SHOULD MONITOR LATER FORECASTS AND BE ALERT FOR POSSIBLE  
FLOOD WARNINGS. THOSE LIVING IN AREAS PRONE TO FLOODING SHOULD BE  
PREPARED TO TAKE ACTION SHOULD FLOODING DEVELOP.  
 

 
 

 
 
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