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Graphical HMD...Text HMD Discussion follows the graphics.
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Snow Depth Map
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24 Hour Gauge QPE Map
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Output from the ETA model and Public Forecasts. Click image to enlarge. |
0-24 HR QPF
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24-48 HR QPF
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Current Hazards and Public Forecasts
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Eta Model Freezing Levels.. 12hr Forecasts
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Radar and Satellite Images. Click image to enlarge. |
Alaska Radar Mosaic
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GOES Satellite Image
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River Conditions and Flood Potential Map. Click image to enlarge. |
AHPS - River and Lake Conditions
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48 Hour Flood Potential Map
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AGAK78 PACR 082231
HMDACR
HYDROMETEOROLOGICAL DISCUSSION
NWS ALASKA PACIFIC RIVER FORECAST CENTER ANCHORAGE AK
300 PM AKDT FRI FEB 08 2013
...FLOOD POTENTIAL...
SIGNIFICANT RAIN IS EXPECTED NEAR SEA LEVEL OVER NORTHERN SOUTHEAST
FROM YAKUTAT TO SITKA ON SATURDAY INTO SUNDAY. HEAVY SNOW IS
EXPECTED AT HIGHER ELEVATIONS IN THIS REGION. THE RAIN MAY CAUSE
LOCAL PONDING PROBLEMS... BUT FLOODING IS NOT EXPECTED AT THIS TIME.
FLOOD POTENTIAL FOR THE REST OF ALASKA IS LOW AT THIS TIME.
...HYDROMETEOROLOGICAL DISCUSSION...
THE PATTERN HAS BEEN PROGRESSIVE OVER THE PAST WEEK.
THE CURRENT UPPER LEVEL PATTERN HAS A RIDGE FROM THE NORTH PACIFIC
INTO BRITISH COLUMBIA AND THE GULF... A NARROW TROUGH WITH SEVERAL
EMBEDDED LOWS CURVING FROM A LOW NEAR THE CANADIAN ARCHIPELAGO TO
THE BERING STRAIT THEN TO THE EASTERN ALEUTIANS AND ON TO A LOW IN
THE NORTH PACIFIC... AND ANOTHER RIDGE FROM THE NORTH PACIFIC OVER
THE WESTERN BERING AND ON NORTHWARD ACROSS EASTERN SIBERIA. THE
NORTH GULF LOW WILL MOVE TO THE AKPEN BY SATURDAY MORNING... AS THE
ASSOCIATED FRONT DEVELOPS A SUBTROPICAL CONNECTION. AS THE FRONT
MOVES EASTWARD IT WILL BRING SIGNIFICANT PRECIPITATION (RAIN NEAR
SEA LEVEL, SNOW AT HIGHER ELEVATIONS) TO NORTHERN SOUTHEAST SATURDAY
AFTERNOON INTO SUNDAY.
LONG RANGE FORECASTS SHOW THE PATTERN CONTINUES TO BE BASICALLY
PROGRESSIVE THROUGH NEXT WEEK.
...SNOW PACK...
OVER THE PAST WEEK SNOW DEPTHS INCREASED OVER MOST OF SOUTHCENTRAL
ALASKA... WHILE SNOW DEPTHS GENERALLY HAD LITTLE CHANGE OVER THE
REST OF THE MAINLAND.
...RIVER ICE THICKNESS...
THE EARLY FEBRUARY ICE THICKNESS REPORTS WERE GENERALLY BETWEEN 18
AND 34 INCHES IN THE EASTERN INTERIOR AND IN SOUTHCENTRAL ALASKA.
ICE THICKNESS REPORTS WERE BETWEEN 39 AND 46 INCHES AT BETHEL...
LAKE MINCHUMINA... EAGLE... AND COLVILLE VILLAGE.
...LONG RANGE...
THE 6 TO 10 DAY TEMPERATURE OUTLOOK HAS INCREASED CHANCES OF BELOW
NORMAL TEMPERATURES OVER THE YUKON DELTA... SEWARD PENINSULA... AND
THE NORTHWEST MAINLAND AND INCREASED CHANCES OF ABOVE NORMAL
TEMPERATURES OVER THE KENAI PENINSULA... THE COPPER RIVER BASIN...
AND SOUTHEAST ALASKA. THE 6 TO 10 DAY PRECIPITATION OUTLOOK HAS
INCREASED CHANCES FOR ABOVE NORMAL PRECIPITATION OVER THE ENTIRE
STATE.
THE ONE MONTH TEMPERATURE OUTLOOK FOR FEBRUARY HAS INCREASED CHANCES
FOR WARMER THAN NORMAL TEMPERATURES OVER SOUTHCENTRAL... THE CENTRAL
AND EASTERN INTERIOR... COPPER RIVER BASIN... AND SOUTHEAST ALASKA.
THE ONE MONTH PRECIPITATION OUTLOOK FOR FEBRUARY HAS INCREASED
CHANCES FOR WETTER THAN NORMAL CONDITIONS OVER THE WESTERN MAINLAND
AND NORTH SLOPE.
....................................................................
THE HYDROMET DISCUSSION WILL BE ISSUED ON FRIDAY THROUGH THE WINTER
SEASON. UPDATES WILL BE ISSUED AS CONDITIONS WARRANT. A GRAPHICAL
VERSION OF THE HYDROMET DISCUSSION IS AVAILABLE AT
HTTP://APRFC.ARH.NOAA.GOV/PRODUCTS/GHMD.PHP
ACL
$$
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