683  
AGAK78 PACR 222257  
HMDACR  
 
HYDROMETEOROLOGICAL DISCUSSION  
NWS ALASKA PACIFIC RIVER FORECAST CENTER ANCHORAGE AK  
300 PM AKDT SUN OCT 22 2017  
   
..FLOOD POTENTIAL
 
 
 
THE FLOOD POTENTIAL IS CURRENTLY LOW FOR THE ENTIRE STATE.  
   
..HYDROMETEOROLOGICAL DISCUSSION.
 
 
 
MAINLAND ALASKA REMAINS UNDER A LARGE COLD LOW WITH DRY AIR IN PLACE  
AND LITTLE PRECIPITATION BEING REPORTED DURING THE LAST 24 HOURS. A  
WESTERLY FLOW CONTINUED ACROSS THE GULF OF ALASKA SUNDAY. RAIN  
SHOWERS BETWEEN 0.25 AND ONE INCH FELL OVER THE SOUTHEAST PANHANDLE  
DURING THE PAST 24 HOURS. FREEZING LEVELS ACROSS THE PANHANDLE WERE  
NEAR 4000 FEET AT KETCHIKAN AND 1000 FEET AT YAKUTAT.  
 
DURING THE NEXT 24 HOURS THROUGH MONDAY AFTERNOON THE LOW PRESSURE  
TROUGH WHICH HAS DOMINATED ALASKA WEATHER OVER PAST FEW DAYS  
GRADUALLY WEAKENS AND MOVES SOUTHWEST OF BETHEL CAUSING A MORE  
SOUTHERLY FLOW TO DEVELOP ACROSS THE EASTERN GULF OF ALASKA AND  
PANHANDLE. MORE RAIN WILL FALL OVER THE PANHANDLE WITH UP TO ONE  
INCH LIKELY IN THE KETCHIKAN VICINITY WITH LIGHTER AMOUNTS EXTENDING  
NORTH TO JUNEAU. PRECIPITATION IN THE FORM OF SNOW WILL MOVE ONSHORE  
FROM COOK INLET EASTWARD WITH AMOUNTS BEING RELATIVELY LIGHT THROUGH  
MONDAY.  
 
THE FIRST OF A SERIES OF MORE SIGNIFICANT LOW CENTERS WILL MOVE  
NORTH OUT OF THE WESTERN GULF OF ALASKA ON TUESDAY BRINGING A  
SIGNIFICANT WARM FRONT AND SUBSTANTIAL PRECIPITATION AMOUNTS TO THE  
GULF COAST WEDNESDAY.  
.  
   
..PRECIPITATION
 
 
 
SELECTED 24 HOUR PRECIPITATION AMOUNTS ENDING AT 4 AM AKDT TODAY:  
 
LOCATION NAME PE TS 24 HR  
======== ==== == == =====  
CRGA2 CRAIG WEATHER STATIO PC RG : 1.44  
THOA2 THORNE BAY RAWS PC RG : 0.92  
KTNA2 BEAVER FALLS POWERHO PP RZ : 0.89  
KPHA2 KETCHIKAN POWERHOUSE PP RZ : 0.88  
THOA2 THORNE BAY RAWS PP RG : 0.87  
PAKT KETCHIKAN AIRPORT PP RZ : 0.81  
WLDA2 WHITMAN LAKE DAM PP RZ : 0.77  
JNAA2 JUNEAU DOWNTOWN PP RZ : 0.69  
AUKA2 AUKE BAY PP RZ : 0.68  
ECBA2 EAGLECREST BASE PP RZ : 0.50  
SITA2 LITTLE PORT WALTER PP RZ : 0.49  
PANT ANNETTE AIRPORT PP RZ : 0.44  
PAMM METLAKATLA PP RZ : 0.43  
PAKW KLAWOCK AIRPORT PP RZ : 0.43  
JDWA2 JUNEAU DOUGLAS WWTP PP RZ : 0.41  
 
   
..LONG RANGE
 
 
THE 6 TO 10 DAY TEMPERATURE OUTLOOK HAS INCREASED PROBABILITIES OF  
ABOVE NORMAL TEMPERATURE OVER THE STATE OF ALASKA.  
 
THE 6 TO 10 DAY PRECIPITATION OUTLOOK HAS INCREASED PROBABILITIES OF  
ABOVE NORMAL PRECIPITATION OVER THE STATE.  
 
PLEASE REFER TO THE CLIMATE PREDICTION CENTER HOME PAGE FOR FURTHER  
INFORMATION.  
   
................................................................
 
 
THIS TEXT PRODUCT WILL BE ISSUED DAILY UNTIL FREEZEUP IN THE FALL. A  
GRAPHICAL VERSION OF THE HYDROMET DISCUSSION IS AVAILABLE AT  
HTTP://WWW.WEATHER.GOV/APRFC/GRAPHICALHMD  
 

 
DPS  
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab RFC Page Main Text Page