Multiple storms bringing prolonged rainfall to south central Alaska caused rivers to rise and some minor flooding in numerous areas around the region.
Every event with a place to put it. Tap one for its entry below.
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS AFC wrote it up.
Multiple storms bringing prolonged rainfall to south central Alaska caused rivers to rise and some minor flooding in numerous areas around the region.
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 Sep 9, 4:00 PM AKST, 8 hours earlier.
SOUTHCENTRAL AND SOUTHWEST ALASKA FORECAST DISCUSSION NATIONAL WEATHER SERVICE ANCHORAGE AK 500 PM AKDT MON SEP 9 2013 .ANALYSIS AND UPPER LEVELS... UPPER LEVEL TROUGH EXTENDS FROM WEST OF KAMCHATKA TO THE ALCAN THIS AFTERNOON...WITH AN EMBEDDED LOW OVER BRISTOL BAY AND ANOTHER UPPER LOW SOUTH OF THE KAMCHATKA PENINSULA. AT THE SURFACE...LOW PRESSURE IN BRISTOL BAY IS HEADED NORTH. AN ASSOCIATED FRONT IS SPREADING RAIN ON THE WINDWARD SIDE OF THE KENAI AND CHUGACH MOUNTAINS AND THE ALEUTIAN RANGE. DOWNSLOPING AND DRYING OVER THE ANCHORAGE BOWL AND PORTIONS OF THE KENAI PENINSULA ARE BEGINNING TO END. WINDS PERPENDICULAR TO THE MOUNTAINS AT RIDGETOP LEVEL ARE BEGINNING TO WEAKEN AND RAIN IS ABOUT TO RETURN TO THE LEEWARD SIDE. A MUCH WEAKER LOW AND ASSOCIATED FRONT ARE ENTERING THE NORTHWESTERN BERING. THE NEXT MAJOR PLAYER IS A LOW SOUTH OF KAMCHATKA TAKING AIM AT THE WESTERN ALEUTIANS. .MODEL DISCUSSION... MODELS ARE IN FAIR AGREEMENT. THE LOW OVER BRISTOL BAY MOVES NORTH TONIGHT AND WEAKENS...WHILE THE ASSOCIATED FRONT MOVES TO THE NORTHEAST GULF COAST TONIGHT INTO TUE AND THEN DISSIPATES. THE NORTHERN BERING LOW AND FRONT MOVE RAPIDLY EAST AND DISSIPATE TUE NIGHT NEAR THE PRIBILOFS. THE LOW SOUTH OF KAMCHATKA MOVES TO THE CENTRAL ALEUTIANS BY WED AFTERNOON AND THE EASTERN ALEUTIANS THU AFTERNOON. THE ASSOCIATED FRONT WILL BEGIN TO AFFECT THE WESTERN ALEUTIANS TUE MORNING...THE CENTRAL ALEUTIANS TUE NIGHT INTO WED...AND THE EASTERN ALEUTIANS AND AK PEN WED INTO THU. THE FORECAST UTILIZES THE GFS SINCE IT HAS SHOWN THE MOST CONSISTENCY....WITH WPC GUIDANCE IN THE EXTENDED. .SHORT TERM FORECAST... IN THE WEST...SOME SHOWERS WILL ACCOMPANY THE NORTHERN BERING LOW AS IT TRANSITS TO THE PRIBILOFS OVERNIGHT. THE BRISTOL BAY LOW WILL KEEP A GRADIENT OVER THE EASTERN BERING WITH SMALL CRAFT WINDS PERSISTING THROUGH TUE. THE KAMCHATKA LOW WILL BRING RAIN AND SMALL CRAFT TO GALE FORCE WINDS TO THE WESTERN ALEUTIANS TUE MORNING THROUGH WED AFTERNOON...THE CENTRAL ALEUTIANS TUE AFTERNOON THROUGH THU AFTERNOON...AND THE EASTERN ALEUTIANS WED MORNING THROUGH FRI. FOR SOUTHWEST AK...RAIN AND SHOWERS WILL DIMINISH WED BENEATH A SHORT-LIVED RIDGE OF HIGH PRESSURE. THE ARRIVAL OF THE KAMCHATKA LOW WILL BRING SHOWERS BEGINNING THU AND LASTING THROUGH THE WEEKEND. SOUTH AND EAST OF THE AK RANGE...MOIST ONSHORE FLOW WILL BRING ABUNDANT RAINFALL TO COASTAL SECTIONS WITH SHOWERS INLAND INTO THE WEEKEND. DOWNSLOPING OVER THE ANCHORAGE BOWL WILL END TONIGHT AND RAIN WILL THEN PERSIST THROUGH THE REST OF THE WEEK. .LONG TERM FORECAST... THE WEST WILL BE FAIRLY DRY THROUGH THE WEEKEND...WITH RAIN AFFECTING SOUTHWEST AK UNTIL DRYING BUILDS IN LATE SAT INTO SUN. SE OF TH E AK RANGE WILL BE AFFECTED BY A FRONT THAT WILL KEEP PRECIPITATION OVER THE AREA THROUGH THE WEEKEND. .AER/ALU...WATCH/WARNING SUMMARY PUBLIC...NONE MARINE...GALES 120 125 129 172 FIRE WEATHER...NONE DS SEP 13
The national radar mosaic for the moment the first event began.
1 flood. Local standard time, as filed.
The Resurrection River in Seward reached minor flood stage and covered part of the runway at the airport. Several roads were closed as water covering them made them impassible.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Alaska in 2013Every state in 2013This day in weather historyWarnings in Alaska, September 2013
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: 477078.