Alaska, 2014

Flooding in Alaska, July 1 to 5, 2014

July 1 to 5, 2014 · NWS AFG · 3 events in 2 counties and zones

A weather system moving west over the area brought 2 to 3 inches of rain across the Chena River Basin on the 1st through the 2nd. 6 feet at 2100AKST on the 2nd.

Where it happened

Every event with a place to put it. Tap one for its entry below.

  • Tornadoes
  • Tropical storms and surge
  • Floods
  • Wind
  • Hail
  • Winter weather
  • Heat and drought
  • Cold
  • Fire, smoke and dust
  • Marine and coastal
  • Other

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The toll

Deaths
0
Injuries
0
Property damage
None recorded
Crop damage
None recorded
Events
3

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.

What happened

The episode as NWS AFG wrote it up.

A weather system moving west over the area brought 2 to 3 inches of rain across the Chena River Basin on the 1st through the 2nd. |The Little Chena River at the Chena Hot springs Road bridge crested at 26.6 feet at 2100AKST on the 2nd. That is the second highest crest recorded on the Little Chena river and the highest water level there since the 1967 flood. It was reported that three homes became surrounded by water near where the river flows under Chena Hot Springs Road.|The Upper Chena gage at Mile 40 Chena Hot Springs Rd recorded a crest of 21.1 feet around 1400AKST on the 2nd. The Hunts Fork gage crested at 18.4 feet around 0500AKST on the 3rd. At 36.9 mile Chena Hot Springs Road the maximum depth of water on the road at the center line was 8 inches. Most vehicles passed through the water. The parking lot at Granite Tors, the Stiles Creek shooting range, and much of the low lying areas along Chena Hot Springs Rd in the Recreation area were flooded. There was minor flooding and erosion at the Rosehip Campground but no campsites flooded. The Steve Savage Trail in Two Rivers near 25 mile Chena Hot Springs Rd was inundated with a couple feet of water. A resident reported many driveways partially flooded but no houses. The U.S. Army Corps of Engineers operated the Moose Creek Dam from 1400AKDT Wed July 2nd to 0200AKDT Monday July 7th in order to regulate the flow of the Chena River through the dam to 8,000 cfs. This is the 2nd time the flow of the Chena River has been regulated this summer.|The successive rainfalls since mid-June created longer lasting impacts to the greater Fairbanks area as the month progressed. Several sizable sinkholes developed, and groundwater levels rose and maintained high levels into August in both North Pole and Fairbanks...causing problems with septic systems and flooding of some basements and crawlspaces.

What forecasters said that day

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 Fairbanks, AK wrote its last area forecast discussion before the first event at Jul 1, 1:56 PM AKST, 4 minutes earlier.

Area forecast discussion, Jul 1, 1:56 PM AKST, 4 minutes before
NORTHERN ALASKA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE FAIRBANKS AK
256 PM AKDT TUE JUL 1 2014

.DISCUSSION...

MODELS IN GOOD AGREEMENT THROUGH THE NEXT 48 TO 60 HOURS.
CURRENTLY ALOFT A 545 DAM CLOSED LOW OVER THE CHUKOTSK PENINSULA
THIS MORNING WILL MOVE SLOWLY EAST AND NORTH OVER THE NEXT 48
HOURS. A 561 DAM UPPER LOW JUST EAST OF NORTHWAY WILL DRIFT
NORTHWEST AND BE OVER EAGLE BY WED MORNING. THE LOW WILL CONTINUE
TO TRACK NORTH ALONG THE ALCAN BORDER BEFORE DISSIPITATING
THURSDAY AFTERNOON. A WEAK SHORTWAVE EXTENDING FROM THE LOW
IN THE ARCTIC WILL MOVE THROUGH THE NORTHERN INTERIOR ON THURSDAY
THEN RIDGING WILL REDEVELOP OVER THE SOUTHEAST MAINLAND AND
EASTERN INTERIOR BEGINNING FRIDAY AND EVENTUALLY COVER MOST OF
MAINLAND ALASKA FROM THE BROOKS RANGE SOUTH.

SURFACE...HIGH PRESSURE WILL REMAIN OVER SOUTHEAST ALASKA AND THE
ALASKA PENINSULA THROUGH FRIDAY. THE THERMAL TROUGH OVER THE
UPPER YUKON FLATS WILL REMAIN STATIONARY...BUT WEAKEN
SIGNIFICANTLY AS THE UPPER LEVEL LOW MOVES OVER THE AREA.

ARCTIC COAST...UPPER LEVEL LOW OVER THE CHUKOTSK PENINSULA WILL
TRACK TO THE EAST AND PRODUCE SCATTERED RAIN SHOWERS OVER THE
NORTHWEST COAST THROUGH WEDNESDAY. NUMEROUS SHOWERS AND ISOLATED
THUNDERSTORMS FOR THE BROOKS RANGE ON THURSDAY AS SHORTWAVE FROM
UPPER LOW SLIDES TO THE EAST OVER THE AREA.

WEST COAST AND WESTERN INTERIOR...FRONTAL BOUNDARY ASSOCIATED
WITH THE UPPER LOW OVER THE CHUKOTSK PENINSULA PRODUCING SCATTERED
SHOWERS OVER THE SEWARD PENINSULA AND THE NORTHWEST COAST OF
ALASKA THROUGH WEDNESDAY. SHORTWAVE PROGRESSING EASTWARD WILL PUSH
THE RAIN SHOWERS INTO ZONE 216 AND 217 ON THURSDAY.

CENTRAL AND EASTERN INTERIOR...THE UPPER LEVEL LOW NEAR THE ALCAN
BORDER WILL CONTINUE TO PRODUCE RAIN HEAVY AT TIMES FOR PARTS OF
THE MIDDLE TANANA VALLEY...FORTY MILE COUNTRY AND THE EASTERN ALASKA
RANGE. MODELS CONTINUE TO SHOW SIGNIFICANT RAINFALL OVER THE UPPER
CHENA AND UPPER SALCHA RIVER BASINS...AS WELL AS THE BIRCH CREEK
BASIN AND EASTERN ALASKA RANGE INCLUDING THE DENALI PARK AREA.
THE HIGHEST RAINFALL TOTALS WILL FALL WEST OF THE RICHARDSON
HIGHWAY. DRYER CONDITIONS AND WARMER TEMPERATURES FOR THE
INTERIOR BEGINNING LATE THURSDAY AND CONTINUING THROUGH THE
WEEKEND.

COASTAL HAZARD POTENTIAL DAYS 3 AND 4...NONE.

FIRE WEATHER...WETTING RAINS OVER MUCH OF THE INTERIOR WILL
CONTINUE THROUGH WEDNESDAY MORNING. DRYER AND WARMER CONDITIONS
EXPECTED FRIDAY THROUGH THE WEEKEND FOR MUCH OF THE INTERIOR.

HYDROLOGY...FLOOD WATCHES HAVE BEEN UPGRADED TO WARNINGS FOR
INTERIOR LOCATIONS. SEE THOSE PRODUCTS FOR THE LATEST INFORMATION.
2 TO 4 INCHES OF RAIN OVER A BROAD AREA OF THE EASTERN ALASKA
RANGE FROM DENALI PARK EAST AND FORTYMILE COUNTRY EXPECTED
THROUGH WEDNESDAY MORNING. A FLOOD ADVISORY HAS BEEN ISSUED FOR
THE BIRCH CREEK BASIN.

&&

.AFG WATCHES/WARNINGS/ADVISORIES...
FLOOD WATCH FOR AKZ222-AKZ223-AKZ224.

SMALL CRAFT ADVISORY FOR PKZ220.
&&

JK JUL 14

In the hours before

Local storm report, Jul 1, 1:03 PM AKST, 57 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE FAIRBANKS AK
203 PM AKDT TUE JUL 01 2014

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0202 PM     HEAVY RAIN       4 NNW NORTH POLE        64.80N 147.41W
07/01/2014  M1.39 INCH                          AK   TRAINED SPOTTER

            STORM TOTAL RAINFALL THUS FAR MEASURED AT 2PM.

&&

LHUBER
Local storm report, Jul 1, 1:07 PM AKST, 53 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE FAIRBANKS AK
207 PM AKDT TUE JUL 01 2014

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0206 PM     HEAVY RAIN       5 E FAIRBANKS           64.84N 147.48W
07/01/2014  M0.94 INCH                          AK   NWS EMPLOYEE

            STORM TOTAL RAINFALL THUS FAR MEASURED AT 2 PM IN THE
            ARCTIC SWAN DIVISION.

&&

LHUBER

The radar

The national radar mosaic for the moment the first event began.

Open the radar archive at this moment

Event by event

3 flood. Local standard time, as filed.

Flood, Upr Tanana Vly Fortymile

When
July 1, 2:00 PM AKST to July 5, 4:00 PM AKST
Where
Upr Tanana Vly Fortymile County, 129.11 mi WNW of Chicken to 113.37 mi WNW of Chicken
Cause
Heavy Rain
Reported by
River/Stream Gage
Coordinates
64.948, -145.783

This event is for the Upper Chena River.

Flood, Middle Tanana Valley

When
July 1, 2:33 PM AKST to July 5, 4:00 PM AKST
Where
Middle Tanana Valley County, 8.81 mi N of North Pole to 4.43 mi NE of Two Rivers
Cause
Heavy Rain
Reported by
River/Stream Gage
Coordinates
64.877, -147.327

This event is for the Upper Chena River.

Flood, Middle Tanana Valley

When
July 2, 2:00 AM AKST to July 4, 7:00 PM AKST
Where
Middle Tanana Valley County, 9.62 mi NNE of North Pole to 9.97 mi W of Two Rivers
Cause
Heavy Rain
Reported by
River/Stream Gage
Coordinates
64.883, -147.253

This event is for the Little Chena River.

What these are

Flood
Flooding that develops more slowly than a flash flood: rivers leaving their banks, or water standing over land for an extended time.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in Alaska in 2014Every state in 2014This day in weather historyWarnings in Alaska, July 2014

Sources

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: 534637, 534636, 535220.