000
NOAK48 PAFC 040802
PNSAFC
AKZ101-052015-

PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE ANCHORAGE AK
1202 AM AKDT THU NOV 4 2021

...RAINFALL TOTALS FROM HALLOWEEN WEEKEND STORM (UPDATED)...

1) PORTAGE LAKE VISITOR CENTER ASOS (95').....27.27"

2) BASE OF ALYESKA COOP STATION (250')........17.70"

3) ALASKA RAILROAD AT PORTAGE (10')...........11.63"

4) SNOW RIVER HADS NEAR SEWARD (442').........10.66"

5) KENAI LAKE RAWS (470')......................9.24"

6) RESURRECTION RIVER AT EXIT GLACIER (307')...8.77"

7) ALASKA RAILROAD AT MOOSE PASS (467')........7.38"

8) SEWARD, AK ASOS (30').......................6.75"


THESE VALUES REPRESENT STORM TOTAL RAINFALL FROM FRIDAY, OCTOBER
29TH TO WEDNESDAY, NOVEMBER 3RD.


SUMMARY: AN ATMOSPHERIC RIVER WITH A SUBTROPICAL MOISTURE TAP WAS
POINTED AT SOUTHCENTRAL AK FOR A 5 TO 6 DAY PERIOD. RAIN BEGAN ON
FRIDAY, OCTOBER 29TH AND WAS CONTINUOUS FOR MOST OF THE ABOVE 
LOCATIONS THROUGH NOVEMBER 3RD. THE RECURRENCE INTERNAL OF MANY OF
THESE VALUES RANGE FROM A 1 IN 25 YEAR RECORD TO A 1 IN 1,000 
YEAR RECORD EVENT. THE RAINFALL FROM PORTAGE LAKE VISITOR CENTER 
REPRESENTS THE FARTHEST NORTH LOCATION IN THE UNITED STATES TO 
RECEIVE CONSECUTIVE DAYS OF 8+ INCHES OF RAIN. THIS REPRESENTS THE
WETTEST 3 DAY PERIOD SINCE RECORDS BEGAN IN 1972, BEATING THE 
PREVIOUS RECORD FROM 2011 BY 6.11 INCHES.

$$

460 
NOAK48 PAFC 040802
PNSAFC
AKZ101-052015-

PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE ANCHORAGE AK
1202 AM AKDT THU NOV 4 2021

...RAINFALL TOTALS FROM HALLOWEEN WEEKEND STORM (UPDATED)...

1) PORTAGE LAKE VISITOR CENTER ASOS (95').....27.27"

2) BASE OF ALYESKA COOP STATION (250')........17.70"

3) ALASKA RAILROAD AT PORTAGE (10')...........11.63"

4) SNOW RIVER HADS NEAR SEWARD (442').........10.66"

5) KENAI LAKE RAWS (470')......................9.24"

6) RESURRECTION RIVER AT EXIT GLACIER (307')...8.77"

7) ALASKA RAILROAD AT MOOSE PASS (467')........7.38"

8) SEWARD, AK ASOS (30').......................6.75"


THESE VALUES REPRESENT STORM TOTAL RAINFALL FROM FRIDAY, OCTOBER
29TH TO WEDNESDAY, NOVEMBER 3RD.


SUMMARY: AN ATMOSPHERIC RIVER WITH A SUBTROPICAL MOISTURE TAP WAS
POINTED AT SOUTHCENTRAL AK FOR A 5 TO 6 DAY PERIOD. RAIN BEGAN ON
FRIDAY, OCTOBER 29TH AND WAS CONTINUOUS FOR MOST OF THE ABOVE 
LOCATIONS THROUGH NOVEMBER 3RD. THE RECURRENCE INTERNAL OF MANY OF
THESE VALUES RANGE FROM A 1 IN 25 YEAR RECORD TO A 1 IN 1,000 
YEAR RECORD EVENT. THE RAINFALL FROM PORTAGE LAKE VISITOR CENTER 
REPRESENTS THE FARTHEST NORTH LOCATION IN THE UNITED STATES TO 
RECEIVE CONSECUTIVE DAYS OF 8+ INCHES OF RAIN. THIS REPRESENTS THE
WETTEST 3 DAY PERIOD SINCE RECORDS BEGAN IN 1972, BEATING THE 
PREVIOUS RECORD FROM 2011 BY 6.11 INCHES.

$$