A fair weather water spout formed over Turnagain Arm the morning of July 20th. This was photographed by person living on the Anchorage Hillside at 7:20 AM.
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The episode as NWS AFC wrote it up.
A fair weather water spout formed over Turnagain Arm the morning of July 20th. This was photographed by person living on the Anchorage Hillside at 7:20 AM.
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Anchorage, AK wrote its last area forecast discussion before the first event at Jul 20, 4:42 AM AKST, 1 hour 48 minutes earlier.
SOUTHCENTRAL AND SOUTHWEST ALASKA FORECAST DISCUSSION NATIONAL WEATHER SERVICE ANCHORAGE AK 542 AM AKDT SUN JUL 20 2014 .ANALYSIS AND UPPER LEVELS... THE UPPER LEVEL LOW THAT ENTERED THE NORTHWEST COAST EARLY YESTERDAY MORNING HAS NOW MOVED TO THE SOUTHEAST AND HAS NOW BECOME A SHARP TROUGH OVER THE SOUTH MAINLAND. THIS SYSTEM HAS BROUGHT WIDESPREAD RAIN...WHICH HAS BEEN QUITE HEAVY AT TIMES OVERNIGHT...TO MUCH OF SOUTHCENTRAL. THE STRONG JET ASSOCIATED WITH THIS SYSTEM CAN BE SEEN WELL ON WATER VAPOR IMAGERY STRETCHING FROM THE WESTERN INTERIOR TO THE WESTERN GULF. THIS JET WILL CONTINUE DIGGING THE TROUGH OVER THE COURSE OF THIS MORNING...EVENTUALLY CAUSING IT TO DETACH FROM THE PRIMARY ARCTIC LOW AND MOVE INTO THE NORTHERN GULF IN THE AFTERNOON. TO THE WEST OF THIS UPPER LOW...A RIDGE OF HIGH PRESSURE STRETCHES FROM THE EASTERN ALEUTIANS/AKPENN INTO THE WESTERN BERING. THIS RIDGE IS SLOWLY BUILD TO THE EAST BEHIND THE DEPARTING LOW...AND WILL HELP TO CLEAR OUT MUCH OF THE SOUTHERN MAINLAND BY THIS EVENING. A WEAK LOW IS APPROACHING THE CENTRAL ALEUTIANS IS BEGINNING TO SPREAD RAIN TO THE ADAK AREA. THIS SYSTEM WILL BRING LIGHT RAIN INTO THE EASTERN ALEUTIANS IS IT CONTINUES TRACKING TO NORTHEAST AND WEAKENING. && .MODEL DISCUSSION... WHILE THE MODELS REMAIN IN GREAT SYNOPTIC AGREEMENT THROUGH THE SHORT TERM...THEY CONTINUE TO HAVE MAJOR ISSUES WITH DEPICTING THE RAIN CURRENTLY FALLING OVER SOUTHCENTRAL. THE 00Z GFS DID AN ACCEPTABLE JOB AT CAPTURING THE RAINFALL OVER THE SUSITNA VALLEY...BUT THE LATEST 06Z RUN HAS COME MORE IN LINE WITH THE REST OF THE MODELS BY KEEPING THE RAINFALL TOO FAR TO THE EAST. THIS SHOULD HOWEVER ONLY HAVE AN IMPACT TO TIMING EXACTLY WHEN THE RAIN WILL END OVER SOUTHCENTRAL. THERE STILL IS GOOD CONFIDENCE IN THE GENERAL TREND OF IMPROVING CONDITIONS FROM THE WEST OVER THE COURSE OF THIS MORNING. OTHERWISE...AS MENTIONED ABOVE THERE REMAINS GREAT AGREEMENT WITH THE MOVEMENT OF THE TRANSITORY RIDGE MOVING OVER THE MAINLAND LATER TODAY...AND SLIGHTLY LESS AGREEMENT WITH THE THE PROGRESSION OF THE ALEUTIAN LOW IS IT BECOMES ABSORBED IN THE NEXT WAVE ENTERING THE WEST MAINLAND LATE TUESDAY. && .SHORT TERM FORECAST... SOUTHCENTRAL ALASKA...THE RAIN CURRENTLY FALLING FROM ANCHORAGE NORTHWARD INTO THE MATANUSKA VALLEY AND EASTERN SUSITNA VALLEY WILL BEGIN TO DIMINISH FROM WEST TO EAST BY LATE MORNING AS THE UPPER TROUGH CONTINUES TO CUTOFF FROM THE PRIMARY LOW AND DRIFT INTO THE NORTHERN GULF. AREAS FURTHER EAST WILL REMAIN CLOUDY AND RAINY FOR A MAJORITY OF THE DAY...BUT THEN CLEAR OUT RAPIDLY THIS EVENING AS OFFSHORE FLOW TAKES OVER THROUGHOUT THE SOUTH MAINLAND. THIS TREND WILL THEN CONTINUE INTO MONDAY...CAUSING THE ENTIRE AREA TO HAVE A CLEAR AND DRY START TO THE WEEK. GUSTY OFFSHORE WINDS WILL FORM ALONG THE GULF COAST OF THE KENAI PENINSULA TODAY (ESPECIALLY NEAR SEWARD AND WHITTIER) DUE TO PRESSURE FALLS AND GOOD JET SUPPORT REMAINING OVER THE AREA. CLOUDY SKIES WITH A CHANCE OF RAIN WILL THEN RETURN LATE TUESDAY AS YET ANOTHER WAVE APPROACHES THE AREA FROM THE WEST COAST. SOUTHWEST ALASKA...WITH THE EXCEPTION OF THE STRAY RAIN SHOWERS OVER THE ALASKA AND ALEUTIAN RANGES THIS MORNING...THE SOUTHWEST MAINLAND WILL REMAIN DRY UNTIL TUESDAY. CLOUDS WILL RAPIDLY DIMINISH LATE THIS MORNING AS RIDGING OVER THE BERING BUILDS OVER THE WEST COAST. THIS WILL PRODUCE A CHANCE OF DIURNAL FOG OVERNIGHT TONIGHT...ESPECIALLY FOR COASTAL BRISTOL BAY AND THE DELTA DUE TO AN ALREADY MOISTENED BOUNDARY LAYER FROM RECENT RAINS. THIS STRETCH OF GOOD WEATHER HOWEVER LOOKS TO BE VERY SHORT LIVED...AS THE NEXT BAND OF RAIN BEGIN TO ENTER THE WEST COAST LATE MONDAY NIGHT AND SPREAD THROUGHOUT THE AREA FOR TUESDAY. BERING SEA/ALEUTIANS...THE NORTH PACIFIC LOW CURRENTLY APPROACHING THE ALEUTIANS WILL BRING THE NEXT CHANCE OF RAIN TO THE CENTRAL ALEUTIANS. THIS LOW WILL THEN MOVE INTO THE EASTERN ALEUTIANS AND BECOMING ABSORBED INTO ANOTHER TROUGH DESCENDING ONTO THE WEST COAST ON TUESDAY...KEEPING THE AREAS FROM DUTCH HARBOR EAST CLOUDY WITH A CHANCE OF RAIN INTO WEDNESDAY. && .LONG TERM FORECAST... THERE CONTINUES TO BE GOOD AGREEMENT THAT THE ELONGATED WAVE THAT WILL MOVE OVER THE MAINLAND ON TUESDAY WILL BECOME A NEARLY STATIONARY CUTOFF LOW OVER THE NORTHERN GULF ON WEDNESDAY. THIS IS SLIGHTLY FURTHER NORTH THAN THE MODELS HAD BEEN DEPICTING YESTERDAY...AND SHOULD KEEP MUCH OF THE SOUTH MAINLAND CLOUDY WITH A RISK OF SHOWERS UNTIL LATER IN THE WEEK. A BERING RIDGE WILL THEN LOOKS TO ONCE AGAIN BUILD OVER THE WESTERN MAINLAND ON FRIDAY...AND SPREAD INTO THE SOUTH MAINLAND FOR THE WEEKEND. && .AFC WATCHES/WARNINGS/ADVISORIES... PUBLIC...NONE. MARINE...GALE WARNING 120 130 131. FIRE WEATHER...NONE. && DEK JUL 14
The Kenai radar (PAHG), 83 km away, was scanning. The volume nearest the first event began at 15:31 UTC.
1 funnel cloud. Local standard time, as filed.
The water spout was photographed by a person living on the Anchorage Hillside.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Alaska in 2014Every state in 2014This day in weather historyWarnings in Alaska, July 2014
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 521939.