Alert archive / Alaska / Small Craft Advisories in 2008
Small Craft Advisory 641, NWS Anchorage, AK
NWS Anchorage, AK issued this small craft advisory at Aug 25, 2008, 4:00 PM AKDT. It was in force for 7 days.
The area
The counties it named.
The facts
- Issued
- Aug 25, 2008, 4:00 PM AKDT (00:00 UTC)
- Expired
- Sep 1, 2008, 4:00 AM AKDT
- In force
- 7 days
- Issued by
- NWS Anchorage, AK
What forecasters said that day
The local office's own words before this small craft advisory went out, 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 this small craft advisory went out at Aug 25, 1:00 PM AKDT, 3 hours earlier.
Area forecast discussion, Aug 25, 1:00 PM AKDT, 3 hours before
AREA FORECAST DISCUSSION SOUTHCENTRAL AND SOUTHWEST ALASKA 100 PM AKDT MON AUG 25 2008 .MODEL DISCUSSION... MODELS IN FAIR AGREEMENT EARLY IN THE FORECAST...THEN THE 12Z GFS BEGINS TO VEER AWAY FROM THE CONSENSUS BY ABOUT 60 HOURS. AFTERNOON PACKAGE FAVORS THE 12Z NAM AND 12Z ECMWF. THIS LEADS TO SMALL DETAIL CHANGES THE FIRST COUPLE OF DAYS...THEN KEEPING WITH THE PREVIOUS FORECAST PACKAGE FOR THE REMAINDER. .ANALYSIS AND UPPER LEVELS... NEARLY STATIONARY UPPER LOW OVER THE YUKON SPILLING CLOUDS AND RAIN INTO SOUTH CENTRAL ALASKA FROM THE NORTHEAST. A COUPLE OF FAST MOVING SYSTEMS JUST SOUTH OF THE AREA...ONE ENTERING THE WESTERN GULF FROM THE WEST SOUTH OF THE ALASKA PENINSULA AND THE OTHER MOVING NORTHEAST TOWARD THE PANHANDLE. A DEEP ARCTIC LOW OVER NORTHEAST SIBERIA IS MOVING SOUTHEAST WITH A COLD FRONT NEARING BETHEL AND SAINT PAUL ISLAND. A RIDGE STRETCHES ACROSS ALASKA FROM KUSKOKWIM BAY TO BARTER ISLAND KEEPING THE VARIOUS LOWS FROM MOVING TOO FAR INTO ALASKA. .SHORT TERM FORECAST... MUCH OF SOUTHERN ALASKA WILL REMAIN ON THE FRINGES OF THE LOWS MENTIONED ABOVE FOR THE NEXT FEW DAYS KEEPING THE PATTERN OF VARIABLE CLOUDS AND OCCASIONAL SHOWERS. THE YUKON LOW WILL KEEP MOISTURE OVER THE COPPER RIVER VALLEY THROUGH WEDNESDAY WITH A GRADUAL DROP OFF IN PRECIPITATION. THE SIBERIAN LOW WILL BEGIN TO AFFECT SOUTHWEST ALASKA TUESDAY AS UPPER FLOW BECOMES MORE CYCLONIC...BUT THE BETTER PUSH OF MOISTURE AND COOLER AIR WILL BE ON WEDNESDAY. .LONG TERM FORECAST... LATER IN THE WEEK THE SIBERIAN LOW WILL STALL AND AN UPPER LEVEL COLD FRONT/TROUGH AXIS WILL APPROACH THE WEST COAST OF ALASKA. THIS IS WHEN MODEL DIVERGENCE BEGINS TO BE FELT. THE GFS LOOKS TO SHOVE THE ALASKAN RIDGE EASTWARD INTO CANADA BY LATE FRIDAY AND THE ECMWF WANTS TO KEEP IT IN ALASKA A COUPLE OF DAYS LONGER. CURRENT FORECAST PACKAGE LEANS MORE TOWARD THE ECMFW THAN GFS. BOTTOM LINE IS NORMAL TEMPERATURES AND PRECIPITATION. .AER/ALU...WATCH/WARNING SUMMARY PUBLIC...NONE. MARINE...NONE. FIRE WEATHER...NONE. LUDWIG AUG 08
The office that day
Everything else NWS Anchorage, AK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 25, 11:15 PM AKDT | Small Craft Advisory | AFC | 5 hr | |
| Aug 26, 4:00 AM AKDT | Small Craft Advisory | AFC | 24 hr |
Nearby
Small Craft Advisories in Alaska, 2008Every small craft advisory in 2008
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.