000
NOAK48 PAFC 180413
PNSAFC
AKZ101-111-121-125-131-135-141-145-171-210200-

PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE ANCHORAGE AK
813 PM AKDT SAT APR 17 2021

...MIDDLETON ISLAND RADAR OUTAGE DURING MAJOR UPGRADE...

CONTACTS:
NOELLE RUNYAN, METEOROLOGIST-IN-CHARGE
NOELLE.RUNYAN@NOAA.GOV,(907)266-5120

EDDIE.ZINGONE, WARNING COORDINATION METEOROLOGIST (ACTING)
EDDIE.ZINGONE@NOAA.GOV,(907)266-5105

APRIL 17, 2021

BEGINNING APRIL 22, THE MIDDLETON ISLAND (PAIH) WSR-88D OPERATED 
BY NOAA'S NATIONAL WEATHER SERVICE IN ANCHORAGE, ALASKA WILL BE 
DOWN FOR APPROXIMATELY TWO WEEKS FOR AN IMPORTANT UPGRADE. 
TECHNICIANS WILL REFURBISH AND REPLACE THE PEDESTAL, ONE OF THE 
MOST CRITICAL COMPONENTS OF THE RADAR, WHICH IS NECESSARY FOR 
ANTENNA ROTATION AND POSITIONING TO CAPTURE DATA IN ALL 
DIRECTIONS. THE COMPONENTS ARE EXTREMELY HEAVY AND WILL REQUIRE 
THE RADOME TO BE REMOVED BY CRANE AND REPLACED WHEN THE WORK IS 
COMPLETED. 

THE RADAR AND PEDESTAL WERE DESIGNED TO LAST 25 YEARS, AND THIS RADAR 
HAS EXCEEDED ITS LIFE-SPAN. THIS ACTIVITY IS NECESSARY TO KEEP
THE RADAR FUNCTIONING FOR ANOTHER 20 YEARS OR MORE.

THE PEDESTAL REFURBISHMENT IS THE THIRD MAJOR PROJECT OF THE NEXRA 
SERVICE LIFE EXTENSION PROGRAM, A SERIES OF UPGRADES THAT WILL 
KEEP OUR NATION'S RADARS VIABLE INTO THE 2030S. NOAA'S NATIONAL 
WEATHER SERVICE, THE UNITED STATES AIR FORCE, AND THE FEDERAL 
AVIATION ADMINISTRATION ARE INVESTING $135 MILLION IN THE EIGHT 
YEAR PROGRAM. THE FIRST PROJECT WAS THE INSTALLATION OF THE NEW 
SIGNAL PROCESSOR AND THE SECOND PROJECT WAS THE REFURBISHMENT OF 
THE TRANSMITTER. THE FOURTH PROJECT WILL BE THE REFURBISHMENT OF 
THE EQUIPMENT SHELTERS. THE SERVICE LIFE EXTENSION PROGRAM WILL BE
COMPLETE IN 2023. DURING THE DOWNTIME, ADJACENT RADARS WILL BE 
AVAILABLE, INCLUDING: KENAI (PAHG). FOR DIRECT ACCESS TO ANY OF 
THESE SURROUNDING RADAR SITES, VISIT THE FOLLOWING WEB PAGE: 
HTTPS://RADAR.WEATHER.GOV/

THE PAIH WSR-88D IS PART OF A NETWORK OF 159 OPERATIONAL RADARS.
THE RADAR OPERATIONS CENTER IN NORMAN, OKLAHOMA, PROVIDES 
LIFECYCLE MANAGEMENT AND SUPPORT FOR ALL WSR-88DS.

THE NATIONAL WEATHER SERVICE IN ANCHORAGE, ALASKA CAN BE FOUND ON
SOCIAL MEDIA AT FACEBOOK: /NWSANCHORAGE OR TWITTER: @NWSANCHORAGE

$$

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