Alaska, 2008

Flash Flood in Alaska, July 8, 2008

July 8, 2008 · NWS AFG · 1 event in 1 county or zone

5.

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
$2,000
Crop damage
None recorded
Events
1

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.

Heavy rains clogged the culverts just east of Central, pushing the culverts up through the road between mile 138 and 139.5.

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 8, 1:46 PM AKST, 5 hours 14 minutes earlier.

Area forecast discussion, Jul 8, 1:46 PM AKST, 5 hours 14 minutes before
NORTHERN ALASKA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE FAIRBANKS AK
246 PM AKDT TUE JUL 8 2008

DISCUSSION...

A BROAD RIDGE OF HIGH PRESSURE ALOFT WILL MAINTAIN ITS
POSITION OVER THE INTERIOR AND CENTRAL/EASTERN ARCTIC ZONES
THROUGH WED. THE RIDGE LINE IS EXPECTED TO SHIFT A LITTLE TO THE
WEST THU AND FRI AS THE FRINGE CIRCULATION OF AN UPPER LOW MOVES
INTO THE EXTREME NORTHEAST PART OF THE FORECAST AREA.

AXIS OF BROAD SURFACE THERMAL TROUGH EXTENDS FROM CAPE LISBURNE
TO UMIAT TO BARTER ISLAND. THUNDERSTORMS ARE DEVELOPING ALONG
THE AXIS AND IN THE BROOKS RANGE.

FOR TONIGHT...THE MOST UNSTABLE AIR AND MOST ACTIVE CONVECTION IS
EXPECTED TO BE IN THE FOLLOWING ZONES: 221-222-NORTHERN
224-EASTERN 215/216-INLAND AREAS 203-204-206 AND 218. ISOLATED
THUNDERSTORMS MAY ALSO OCCUR IN THE REMAINDER OF
215/216-212-217-206-225-226.

FOR WED...THE SURFACE THERMAL TROUGH IS EXPECTED TO SHIFT A LITTLE
TO THE SOUTH...WITH THE TROUGH AXIS LYING EAST-WEST ACROSS THE
NORTHERN INTERIOR. THE MOST UNSTABLE AIR AND MOST ACTIVE
CONVECTION IS EXPECTED TO BE OVER THE FOLLOWING ZONES:
221-222-223-NORTHERN 224-MOST OF 216/217-218-219-220-SOUTHEASTERN
205/206. ISOLATED THUNDERSTORMS POSSIBLE IN THE REMAINDER OF THE
INTERIOR AND THE ALASKA RANGE.

FOR THU...SURFACE THERMAL TROUGH AXIS IS EXPECTED TO EXTEND
FROM THE NOATAK AREA TO NORTH OF EAGLE. THE MOST UNSTABLE
AIR IS EXPECTED TO BE ALONG AND NEAR THE TROUGH LINE. THE
MOST ACTIVE CONVECTION  IS EXPECTED TO BE IN THE FOLLOWING
ZONES: 205-MOUNTAINS IN 206-EASTERN 217-218-219-220-221-222-223-224.
ISOLATED THUNDERSTORMS POSSIBLE IN THE REMAINDER OF THE
INTERIOR AND ALASKA RANGE.

A 990 MB LOW OVER THE GULF OF ANADYR WILL MOVE TO NEAR SAINT
MATTHEW ISLAND BY 00Z THU...FILLING TO 996 MB. THE LOW
IS THEN EXPECTED TO MOVE BACK NORTHWARD...TO 100 MILES
WEST OF GAMBELL BY 00Z FRI FILLING TO 1008 MB.

RAIN IN ZONE 213 TODAY WITH EASTWARD MOVING FRONT...CHANCE OF
RAIN TONIGHT ZONES 207-209-WESTERN 210-211-214.

COASTAL HAZARD POTENTIAL DAYS 3 AND 4...NONE

FIRE WEATHER...
MIN RH LIKELY REMAINING ABOVE 30% IN THE INTERIOR TODAY
THROUGH WED WITH MOIST AIRMASS HOLDING IN PLACE. THUNDERSTORMS
WILL BE WET.

HYDROLOGY...
FLOOD WATCH FOR ZONES 224-226 WILL EXPIRE AT 8 PM.
WINDS ALOFT AND MOIST AIR WILL PERSIST OVER MUCH OF THE INTERIOR
THROUGH WED...THUNDERSTORMS WILL BE SLOW MOVING AND LOCALLY HEAVY
DOWNPOURS CAN AGAIN BE EXPECTED.

&&

.AFG WATCHES/WARNINGS/ADVISORIES...
FLOOD WATCH FOR AKZ224-AKZ226.

SMALL CRAFT ADVISORY FOR PKZ200-PKZ210-PKZ220-PKZ225-PKZ230.
&&

JUL 08

The radar

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

Open the radar archive at this moment

Event by event

1 flash flood. Local standard time, as filed.

Flash Flood, Yukon Flats Nearby Uplands

When
July 8, 7:00 PM AKST to 9:00 PM AKST
Where
Yukon Flats Nearby Uplands County, 8.71 mi ENE of Central to 9.16 mi ENE of Central
Cause
Heavy Rain
Property damage
$2,000
Reported by
Department of Highways
Coordinates
65.622, -144.492

What these are

Flash Flood
Flooding that begins within six hours of the rain that causes it, or of a dam or levee failure or ice jam release, often with deadly speed.

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

The same day elsewhere

More

Every storm in Alaska in 2008Every state in 2008This day in weather historyWarnings in Alaska, July 2008

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: 123811.