863  
WWAK41 PAFC 200001  
WSWAER  
 
URGENT - WINTER WEATHER MESSAGE  
NATIONAL WEATHER SERVICE ANCHORAGE AK  
301 PM AKST SUN JAN 19 2025  
 
AKZ126-200900-  
/O.CON.PAFC.WW.Y.0009.000000T0000Z-250120T0900Z/  
WESTERN PRINCE WILLIAM SOUND-  
INCLUDING THE CITIES OF WHITTIER, SEWARD, AND MOOSE PASS  
301 PM AKST SUN JAN 19 2025  
 
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT AKST  
TONIGHT FOR TURNAGAIN PASS...  
 
* WHAT...HEAVY SNOW EXPECTED. ADDITIONAL SNOW ACCUMULATIONS OF 5  
TO 8 INCHES.  
 
* WHERE...TURNAGAIN PASS.  
 
* WHEN...UNTIL MIDNIGHT AKST TONIGHT.  
 
* IMPACTS...TRAVEL MAY BE DIFFICULT. PLAN ON SLIPPERY ROAD  
CONDITIONS. VISIBILITIES WILL BE LIMITED IN HEAVY SNOWFALL.  
 
* ADDITIONAL DETAILS...ANOTHER ROUND OF MODERATE TO HEAVY SNOWFALL  
IS EXPECTED TO WORK NORTH THROUGH TURNAGAIN PASS THROUGH THIS  
EVENING.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
SLOW DOWN AND USE CAUTION WHILE TRAVELING.  
 
FOR THE LATEST ROAD CONDITIONS CALL 5 1 1 OR VISIT  
511.ALASKA.GOV.  
 

 
 

 
 
AKZ132-201500-  
/O.CON.PAFC.WW.Y.0009.000000T0000Z-250120T1800Z/  
NORTHEAST PRINCE WILLIAM SOUND-  
INCLUDING THE CITIES OF VALDEZ AND THOMPSON PASS  
301 PM AKST SUN JAN 19 2025  
 
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM AKST  
MONDAY FOR THOMPSON PASS...  
 
* WHAT...HEAVY SNOW WITH PERIODS OF FREEZING RAIN MIXED WITH SNOW.  
ADDITIONAL SNOW ACCUMULATIONS OF 10 TO 15 INCHES. VISIBILITY  
REDUCED TO 1/2 MILE AT TIMES. WINDS GUSTING AS HIGH AS 35 MPH.  
 
* WHERE...THOMPSON PASS.  
 
* WHEN...UNTIL 9 AM AKST MONDAY.  
 
* IMPACTS...TRAVEL MAY BE DIFFICULT. PLAN ON SLIPPERY ROAD  
CONDITIONS. VISIBILITIES WILL BE LIMITED IN HEAVY SNOWFALL.  
 
* ADDITIONAL DETAILS...PERIODS OF FREEZING RAIN MIXED WITH SNOW  
POSSIBLE NEAR THE SUMMIT OF THOMPSON PASS THIS EVENING. SNOW  
CHANGING TO RAIN IS EXPECTED FOR VALDEZ TO KEYSTONE CANYON.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
SLOW DOWN AND USE CAUTION WHILE TRAVELING.  
 
FOR THE LATEST ROAD CONDITIONS CALL 5 1 1 OR VISIT  
511.ALASKA.GOV.  
 

 
 

 
 
AKZ142-201500-  
/O.CON.PAFC.WW.Y.0009.000000T0000Z-250120T1500Z/  
COPPER RIVER BASIN-  
INCLUDING THE CITIES OF GLENNALLEN, EUREKA, MCCARTHY, PAXSON,  
AND SLANA  
301 PM AKST SUN JAN 19 2025  
 
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM AKST  
MONDAY...  
 
* WHAT...SNOW, FREEZING RAIN, AND RAIN. FREEZING RAIN ON TOP OF  
COLD, SNOW-COVERED ROADS. HEAVY SNOW CLOSER TO THOMPSON PASS AND  
SNOW ALONG THE RICHARDSON HIGHWAY CORRIDOR FROM GLENNALLEN NORTH  
TO PAXSON. SNOW ACCUMULATIONS OF 4 TO 8 INCHES FOR THE  
RICHARDSON HIGHWAY CORRIDOR, WITH THE HIGHEST AMOUNTS NEAR  
PAXSON. ADDITIONAL SNOW ACCUMULATIONS 5 TO 10 INCHES SOUTH OF  
TONSINA TO THOMPSON PASS. A GLAZE OF ICE ACCUMULATION POSSIBLE  
SOUTH OF TONSINA. WINDS GUSTING AS HIGH AS 35 MPH NEAR THOMPSON  
PASS.  
 
* WHERE...COPPER RIVER BASIN.  
 
* WHEN...UNTIL 6 AM AKST MONDAY.  
 
* IMPACTS...TRAVEL MAY BE DIFFICULT. PLAN ON SLIPPERY ROAD  
CONDITIONS. VISIBILITIES WILL BE LIMITED IN HEAVY SNOWFALL.  
 
* ADDITIONAL DETAILS...A WINTRY MIX OF PRECIPITATION IS EXPECTED  
ALONG THE RICHARDSON HIGHWAY SOUTH OF THE EDGERTON HIGHWAY TO  
THOMPSON PASS. PRECIPITATION WILL BE HEAVY AT TIMES. SNOW IS  
EXPECTED TO BE THE PRIMARY TYPE OF PRECIPITATION THROUGH MOST OF  
THE EVENT. HOWEVER, EXPECT DIMINISHED SNOW AMOUNTS IF THE  
PRECIPITATION CHANGES OVER TO RAIN. RAIN ON SNOW-COVERED ROADS  
AND COLD SURFACE TEMPERATURES WILL LIKELY LEAD TO SLICK  
CONDITIONS. FOR GLENNALLEN NORTH TO CHISTOCHINA, EXPECT PERIODS  
OF RAIN AND FREEZING RAIN CHANGING OVER TO SNOW TONIGHT.  
HIGHEST SNOWFALL AMOUNTS EXPECTED ACROSS THE NORTHERN COPPER  
RIVER BASIN, INCLUDING PAXSON.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
SLOW DOWN AND USE CAUTION WHILE TRAVELING.  
 
FOR THE LATEST ROAD CONDITIONS CALL 5 1 1 OR VISIT  
511.ALASKA.GOV.  
 

 
 

 
 
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