Alert archive / Alaska / High Wind Watches in 2012
High Wind Watch 22, NWS Anchorage, AK
NWS Anchorage, AK issued this high wind watch at Dec 28, 2012, 4:30 PM AKST. It took effect at Dec 30, 2012, 6:00 AM AKST. It was in force for .
The area
The counties it named.
The facts
- Issued
- Dec 28, 2012, 4:30 PM AKST (01:30 UTC)
- In effect from
- Dec 30, 2012, 6:00 AM AKST
- Expired
- Dec 29, 2012, 4:06 PM AKST
- In force
- Issued by
- NWS Anchorage, AK
The text
As transmitted, in the capitals the NWS used until 2016.
368 WWAK71 PAFC 290130 NPWAER URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE ANCHORAGE AK 430 PM AKST FRI DEC 28 2012 ...DANGEROUS WIND TONIGHT INTO SATURDAY FOR TURNAGAIN ARM AND HIGHER ELEVATIONS WITH ANOTHER POTENTIAL HIGH WIND EVENT ON SUNDAY... .A STRONG LOW PRESSURE CENTER MOVING ALONG THE WEST COAST OF ALASKA WILL BRING DANGEROUS WINDS TO TURNAGAIN ARM AND HIGHER ELEVATIONS BY LATE TONIGHT. AS THE LOW MOVES AWAY FROM MAINLAND ALASKA BY MIDDAY SATURDAY...WINDS WILL BEGIN TO DIMINISH. ANOTHER STRONG LOW PRESSURE SYSTEM ON SUNDAY SUPPORTS THE POTENTIAL FOR MORE DANGEROUS WINDS ALONG TURNAGAIN ARM AND HIGHER ELEVATIONS. AKZ101-291500- /X.NEW.PAFC.HW.A.0022.121230T1500Z-121231T0300Z/ /X.EXT.PAFC.HW.W.0030.121229T0800Z-121229T1800Z/ ANCHORAGE- INCLUDING THE CITIES OF...ANCHORAGE...EAGLE RIVER...INDIAN... EKLUTNA 430 PM AKST FRI DEC 28 2012 ...HIGH WIND WARNING NOW IN EFFECT FROM 11 PM THIS EVENING TO 9 AM AKST SATURDAY FOR TURNAGAIN ARM AND HIGHER ELEVATIONS... ...HIGH WIND WATCH IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY AFTERNOON FOR TURNAGAIN ARM AND HIGHER ELEVATIONS... THE NATIONAL WEATHER SERVICE IN ANCHORAGE HAS ISSUED A HIGH WIND WATCH FOR TURNAGAIN ARM AND HIGHER ELEVATIONS...WHICH IS IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY AFTERNOON. A WARNING REMAINS FOR THE AREA FROM 11 PM THIS EVENING TO 9 AM AKST SATURDAY. * LOCATION...TURNAGAIN ARM AND HIGHER ELEVATIONS. * WIND...SOUTHEAST WIND 50 TO 65 MPH WITH GUSTS TO 80 MPH TONIGHT THROUGH SATURDAY MORNING. POTENTIAL SOUTHEAST WINDS OF 50 TO 70 MPH WITH GUSTS TO 90 MPH SUNDAY. * TIMING...WINDS WILL RAPIDLY INCREASE THIS EVENING AND CONTINUE INTO SATURDAY MORNING BEFORE DIMINISHING. WINDS WILL INCREASE AGAIN SUNDAY TO POSSIBLE WARNING LEVELS. * IMPACTS...TRAVEL MAY BE DIFFICULT. TREES MAY BE BLOWN OVER. LOOSE DEBRIS CAN BE MOVED AND DAMAGE PROPERTY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR OCCURRING. PEOPLE ARE URGED TO SECURE LOOSE OBJECTS THAT COULD BE BLOWN AROUND OR DAMAGED BY THE WIND. A HIGH WIND WATCH MEANS THERE IS THE POTENTIAL FOR A HAZARDOUS HIGH WIND EVENT. PEOPLE ARE ENCOURAGED TO CLOSELY MONITOR THIS WEATHER SITUATION. PREPARATION FOR THIS POTENTIALLY DANGEROUS WEATHER EVENT SHOULD BEGIN NOW. && $$ AKZ125-291500- /X.NEW.PAFC.HW.A.0022.121230T1500Z-121231T0300Z/ WESTERN PRINCE WILLIAM SOUND- INCLUDING THE CITIES OF...WHITTIER...SEWARD...GIRDWOOD... MOOSE PASS 430 PM AKST FRI DEC 28 2012 ...HIGH WIND WATCH IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY AFTERNOON THROUGH PORTAGE VALLEY AND ALONG TURNAGAIN ARM... THE NATIONAL WEATHER SERVICE IN ANCHORAGE HAS ISSUED A HIGH WIND WATCH THROUGH PORTAGE VALLEY AND ALONG TURNAGAIN ARM...WHICH IS IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY AFTERNOON. * LOCATION...PORTAGE VALLEY AND TURNAGAIN ARM. * WIND...SOUTHEAST WIND 45 TO 60 MPH WITH POSSIBLE GUSTS TO 75 MPH. * TIMING...SUNDAY MORNING THROUGH SUNDAY AFTERNOON. * IMPACTS...TRAVEL MAY BE DIFFICULT. TREES MAY BE BLOWN OVER. LOOSE DEBRIS CAN BE MOVED AND DAMAGE PROPERTY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WATCH MEANS THERE IS THE POTENTIAL FOR A HAZARDOUS HIGH WIND EVENT. PEOPLE ARE ENCOURAGED TO CLOSELY MONITOR THIS WEATHER SITUATION. PREPARATION FOR THIS POTENTIALLY DANGEROUS WEATHER EVENT SHOULD BEGIN NOW. && $$ AHSENMACHER
5 follow-up statements
157 WWAK71 PAFC 291411 NPWAER URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE ANCHORAGE AK 511 AM AKST SAT DEC 29 2012 ...DANGEROUS WIND THIS MORNING FOR TURNAGAIN ARM AND HIGHER ELEVATIONS AND ANOTHER POSSIBLE HIGH WIND EVENT ON SUNDAY... .A WEATHER FRONT MOVING ACROSS THE KENAI PENINSULA IS BRINGING STRONG WINDS TO TURNAGAIN ARM AND HIGHER ELEVATIONS THIS MORNING. A STRONG LOW PRESSURE SYSTEM ON SUNDAY MAY BRING ANOTHER ROUND OF DANGEROUS WINDS TO TURNAGAIN ARM AND HIGHER ELEVATIONS. AKZ101-300315- /X.CON.PAFC.HW.W.0030.000000T0000Z-121229T1800Z/ /X.CON.PAFC.HW.A.0022.121230T1500Z-121231T0300Z/ ANCHORAGE- INCLUDING THE CITIES OF...ANCHORAGE...EAGLE RIVER...INDIAN... EKLUTNA 511 AM AKST SAT DEC 29 2012 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 9 AM AKST THIS MORNING FOR TURNAGAIN ARM AND HIGHER ELEVATIONS... ...HIGH WIND WATCH REMAINS IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY AFTERNOON FOR TURNAGAIN ARM AND HIGHER ELEVATIONS... * LOCATION...TURNAGAIN ARM AND HIGHER ELEVATIONS. * WIND...SOUTHEAST WIND 50 TO 65 MPH WITH GUSTS TO 80 MPH TONIGHT THROUGH SATURDAY MORNING. POSSIBLE SOUTHEAST WINDS OF 50 TO 70 MPH WITH GUSTS TO 90 MPH SUNDAY. * TIMING...WINDS WILL DIMINISH LATER THIS MORNING. WINDS WILL INCREASE AGAIN SUNDAY TO POSSIBLE WARNING LEVELS. * IMPACTS...TRAVEL MAY BE DIFFICULT. TREES MAY BE BLOWN OVER. LOOSE DEBRIS CAN BE MOVED AND DAMAGE PROPERTY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR OCCURRING. PEOPLE ARE URGED TO SECURE LOOSE OBJECTS THAT COULD BE BLOWN AROUND OR DAMAGED BY THE WIND. A HIGH WIND WATCH MEANS THERE IS THE POTENTIAL FOR A HAZARDOUS HIGH WIND EVENT. PEOPLE ARE ENCOURAGED TO CLOSELY MONITOR THIS WEATHER SITUATION. PREPARATION FOR THIS POTENTIALLY DANGEROUS WEATHER EVENT SHOULD BEGIN NOW. && $$ AKZ125-300315- /X.CON.PAFC.HW.A.0022.121230T1500Z-121231T0300Z/ WESTERN PRINCE WILLIAM SOUND- INCLUDING THE CITIES OF...WHITTIER...SEWARD...GIRDWOOD... MOOSE PASS 511 AM AKST SAT DEC 29 2012 ...HIGH WIND WATCH REMAINS IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY AFTERNOON THROUGH PORTAGE VALLEY AND ALONG TURNAGAIN ARM... * LOCATION...PORTAGE VALLEY AND TURNAGAIN ARM. * WIND...SOUTHEAST WIND 45 TO 60 MPH WITH POSSIBLE GUSTS TO 75 MPH. * TIMING...SUNDAY MORNING THROUGH SUNDAY AFTERNOON. * IMPACTS...TRAVEL MAY BE DIFFICULT. TREES MAY BE BLOWN OVER. LOOSE DEBRIS CAN BE MOVED AND DAMAGE PROPERTY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WATCH MEANS THERE IS THE POTENTIAL FOR A HAZARDOUS HIGH WIND EVENT. PEOPLE ARE ENCOURAGED TO CLOSELY MONITOR THIS WEATHER SITUATION. PREPARATION FOR THIS POTENTIALLY DANGEROUS WEATHER EVENT SHOULD BEGIN NOW. && $$
790 WWAK71 PAFC 291816 NPWAER URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE ANCHORAGE AK 916 AM AKST SAT DEC 29 2012 AKZ101-300715- /X.EXP.PAFC.HW.W.0030.000000T0000Z-121229T1800Z/ /X.CON.PAFC.HW.A.0022.121230T1500Z-121231T0300Z/ ANCHORAGE- INCLUDING THE CITIES OF...ANCHORAGE...EAGLE RIVER...INDIAN... EKLUTNA 916 AM AKST SAT DEC 29 2012 ...HIGH WIND WATCH REMAINS IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY AFTERNOON ALONG TURNAGAIN ARM AND HIGHER ELEVATIONS... ...HIGH WIND WARNING HAS EXPIRED FOR TURNAGAIN ARM AND HIGHER ELEVATIONS... * LOCATION...TURNAGAIN ARM AND HIGHER ELEVATIONS. * WIND...SOUTHEAST 50 TO 70 MPH WITH POSSIBLE GUSTS TO 90 MPH. * TIMING...WINDS WILL DIMINISH THROUGH THIS AFTERNOON THEN INCREASE TONIGHT POSSIBLY REACHING WARNING LEVELS BY SUNDAY MORNING. * IMPACTS...TRAVEL MAY BE DIFFICULT. TREES MAY BE BLOWN OVER. LOOSE DEBRIS CAN BE MOVED AND DAMAGE PROPERTY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WATCH MEANS THERE IS THE POTENTIAL FOR A HAZARDOUS HIGH WIND EVENT. PEOPLE ARE ENCOURAGED TO CLOSELY MONITOR THIS WEATHER SITUATION. PREPARATION FOR THIS POTENTIALLY DANGEROUS WEATHER EVENT SHOULD BEGIN NOW. && $$ AKZ125-300715- /X.CON.PAFC.HW.A.0022.121230T1500Z-121231T0300Z/ WESTERN PRINCE WILLIAM SOUND- INCLUDING THE CITIES OF...WHITTIER...SEWARD...GIRDWOOD... MOOSE PASS 916 AM AKST SAT DEC 29 2012 ...HIGH WIND WATCH REMAINS IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY AFTERNOON THROUGH PORTAGE VALLEY AND TURNAGAIN ARM... * LOCATION...PORTAGE VALLEY AND TURNAGAIN ARM. * WIND...SOUTHEAST 45 TO 60 MPH WITH POSSIBLE GUSTS TO 75 MPH. * TIMING...SUNDAY MORNING THROUGH SUNDAY AFTERNOON. * IMPACTS...TRAVEL MAY BE DIFFICULT. TREES MAY BE BLOWN OVER. LOOSE DEBRIS CAN BE MOVED AND DAMAGE PROPERTY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WATCH MEANS THERE IS THE POTENTIAL FOR A HAZARDOUS HIGH WIND EVENT. PEOPLE ARE ENCOURAGED TO CLOSELY MONITOR THIS WEATHER SITUATION. PREPARATION FOR THIS POTENTIALLY DANGEROUS WEATHER EVENT SHOULD BEGIN NOW. && $$
569 WWAK71 PAFC 292048 NPWAER URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE ANCHORAGE AK 1148 AM AKST SAT DEC 29 2012 AKZ101-125-301000- /X.CON.PAFC.HW.A.0022.121230T1500Z-121231T0300Z/ ANCHORAGE-WESTERN PRINCE WILLIAM SOUND- INCLUDING THE CITIES OF...ANCHORAGE...EAGLE RIVER...INDIAN... EKLUTNA...WHITTIER...SEWARD...GIRDWOOD...MOOSE PASS 1148 AM AKST SAT DEC 29 2012 ...HIGH WIND WATCH REMAINS IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY AFTERNOON FOR EAST ANCHORAGE THE HILLSIDE AND TURNAGAIN ARM... * LOCATION...EAST ANCHORAGE...THE HILLSIDE AND TURNAGAIN ARM. * WIND...FOR EAST ANCHORAGE AND THE LOWER HILLSIDE...SOUTHEAST WIND 25 TO 40 MPH WITH POSSIBLE GUSTS TO 65 MPH. FOR TURNAGAIN ARM AND THE UPPER HILLSIDE...SOUTHEAST 50 TO 70 MPH WITH POSSIBLE GUSTS TO 90 MPH. * TIMING...WINDS WILL DIMINISH THROUGH THIS AFTERNOON THEN INCREASE OVERNIGHT TONIGHT THROUGH THE DAY SUNDAY. WINDS MAY REACH WARNING LEVELS AS SOON AS SUNDAY MORNING ALONG TURNAGAIN ARM AND THE UPPER HILLSIDE AND EARLY AFTERNOON FOR EAST ANCHORAGE AND THE LOWER HILLSIDE. * IMPACTS...TRAVEL MAY BE DIFFICULT. TREES MAY BE BLOWN OVER. LOOSE DEBRIS CAN BE MOVED AND DAMAGE PROPERTY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WATCH MEANS THERE IS THE POTENTIAL FOR A HAZARDOUS HIGH WIND EVENT. PEOPLE ARE ENCOURAGED TO CLOSELY MONITOR THIS WEATHER SITUATION. PREPARATION FOR THIS POTENTIALLY DANGEROUS WEATHER EVENT SHOULD BEGIN NOW. && $$
003 WWAK71 PAFC 292059 NPWAER URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE ANCHORAGE AK 1159 AM AKST SAT DEC 29 2012 AKZ101-301000- /X.CON.PAFC.HW.A.0022.121230T1500Z-121231T0300Z/ ANCHORAGE- INCLUDING THE CITIES OF...ANCHORAGE...EAGLE RIVER...INDIAN... EKLUTNA 1159 AM AKST SAT DEC 29 2012 ...HIGH WIND WATCH REMAINS IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY AFTERNOON FOR EAST ANCHORAGE THE HILLSIDE AND TURNAGAIN ARM... * LOCATION...EAST ANCHORAGE...THE HILLSIDE AND TURNAGAIN ARM. * WIND...FOR EAST ANCHORAGE AND THE LOWER HILLSIDE...SOUTHEAST WIND 25 TO 40 MPH WITH POSSIBLE GUSTS TO 65 MPH. FOR TURNAGAIN ARM AND THE UPPER HILLSIDE...SOUTHEAST 50 TO 70 MPH WITH POSSIBLE GUSTS TO 90 MPH. * TIMING...WINDS WILL DIMINISH THROUGH THIS AFTERNOON THEN INCREASE OVERNIGHT TONIGHT THROUGH THE DAY SUNDAY. WINDS MAY REACH WARNING LEVELS AS SOON AS SUNDAY MORNING ALONG TURNAGAIN ARM AND THE UPPER HILLSIDE AND EARLY AFTERNOON FOR EAST ANCHORAGE AND THE LOWER HILLSIDE. * IMPACTS...TRAVEL MAY BE DIFFICULT. TREES MAY BE BLOWN OVER. LOOSE DEBRIS CAN BE MOVED AND DAMAGE PROPERTY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WATCH MEANS THERE IS THE POTENTIAL FOR A HAZARDOUS HIGH WIND EVENT. PEOPLE ARE ENCOURAGED TO CLOSELY MONITOR THIS WEATHER SITUATION. PREPARATION FOR THIS POTENTIALLY DANGEROUS WEATHER EVENT SHOULD BEGIN NOW. && $$ AKZ125-301000- /X.CON.PAFC.HW.A.0022.121230T1500Z-121231T0300Z/ WESTERN PRINCE WILLIAM SOUND- INCLUDING THE CITIES OF...WHITTIER...SEWARD...GIRDWOOD... MOOSE PASS 1159 AM AKST SAT DEC 29 2012 ...HIGH WIND WATCH REMAINS IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY AFTERNOON THROUGH PORTAGE VALLEY AND TURNAGAIN ARM... ...HIGH WIND WATCH REMAINS IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY AFTERNOON THROUGH PORTAGE VALLEY AND TURNAGAIN ARM... * LOCATION...PORTAGE VALLEY AND TURNAGAIN ARM. * WIND...SOUTHEAST 45 TO 60 MPH WITH POSSIBLE GUSTS TO 75 MPH. * TIMING...SUNDAY MORNING THROUGH SUNDAY AFTERNOON. * IMPACTS...TRAVEL MAY BE DIFFICULT. TREES MAY BE BLOWN OVER. LOOSE DEBRIS CAN BE MOVED AND DAMAGE PROPERTY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WATCH MEANS THERE IS THE POTENTIAL FOR A HAZARDOUS HIGH WIND EVENT. PEOPLE ARE ENCOURAGED TO CLOSELY MONITOR THIS WEATHER SITUATION. PREPARATION FOR THIS POTENTIALLY DANGEROUS WEATHER EVENT SHOULD BEGIN NOW. && $$
671 WWAK71 PAFC 300106 NPWAER URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE ANCHORAGE AK 406 PM AKST SAT DEC 29 2012 AKZ101-301600- /X.UPG.PAFC.HW.A.0022.121230T1500Z-121231T0300Z/ /X.NEW.PAFC.HW.W.0031.121230T1500Z-121231T0400Z/ ANCHORAGE- INCLUDING THE CITIES OF...ANCHORAGE...EAGLE RIVER...INDIAN... EKLUTNA 406 PM AKST SAT DEC 29 2012 ...HIGH WIND WARNING IN EFFECT FROM 6 AM TO 7 PM AKST SUNDAY... THE NATIONAL WEATHER SERVICE IN ANCHORAGE HAS ISSUED A HIGH WIND WARNING...WHICH IS IN EFFECT FROM 6 AM TO 7 PM AKST SUNDAY. THE HIGH WIND WATCH IS NO LONGER IN EFFECT. * LOCATION...ALONG TURNAGAIN ARM AND THE HILLSIDE...INCLUDING ANCHORAGE. * WIND...FOR ANCHORAGE AND THE LOWER HILLSIDE...EAST WIND 20 TO 35 MPH BECOMING SOUTHEAST 30 TO 45 MPH WITH GUSTS TO 55 TO 70 MPH IN THE AFTERNOON. ALONG TURNAGAIN ARM AND THE UPPER HILLSIDE...SOUTHEAST WIND 55 TO 70 MPH WITH GUSTS TO 85 TO 100 MPH. * TIMING...WINDS WILL INCREASE OVERNIGHT TONIGHT THROUGH THE DAY SUNDAY. WINDS WILL REACH WARNING LEVELS SUNDAY MORNING ALONG TURNAGAIN ARM AND THE UPPER HILLSIDE AND EARLY AFTERNOON FOR ANCHORAGE AND THE LOWER HILLSIDE. * IMPACTS...TRAVEL MAY BE DIFFICULT. TREES MAY BE BLOWN OVER. LOOSE DEBRIS CAN BE MOVED AND DAMAGE PROPERTY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR OCCURRING. PEOPLE ARE URGED TO SECURE LOOSE OBJECTS THAT COULD BE BLOWN AROUND OR DAMAGED BY THE WIND. && $$ AKZ125-301600- /X.UPG.PAFC.HW.A.0022.121230T1500Z-121231T0300Z/ /X.NEW.PAFC.HW.W.0031.121230T1500Z-121231T0300Z/ WESTERN PRINCE WILLIAM SOUND- INCLUDING THE CITIES OF...WHITTIER...SEWARD...GIRDWOOD... MOOSE PASS 406 PM AKST SAT DEC 29 2012 ...HIGH WIND WARNING IN EFFECT FROM 6 AM TO 6 PM AKST SUNDAY THROUGH PORTAGE VALLEY AND TURNAGAIN ARM... THE NATIONAL WEATHER SERVICE IN ANCHORAGE HAS ISSUED A HIGH WIND WARNING...WHICH IS IN EFFECT FROM 6 AM TO 6 PM AKST SUNDAY. THE HIGH WIND WATCH IS NO LONGER IN EFFECT. * LOCATION...PORTAGE VALLEY AND TURNAGAIN ARM. * WIND...SOUTHEAST 50 TO 65 MPH WITH GUSTS TO 75 TO 90 MPH. * TIMING...SUNDAY MORNING THROUGH SUNDAY AFTERNOON. * IMPACTS...TRAVEL MAY BE DIFFICULT. TREES MAY BE BLOWN OVER. LOOSE DEBRIS CAN BE MOVED AND DAMAGE PROPERTY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR OCCURRING. PEOPLE ARE URGED TO SECURE LOOSE OBJECTS THAT COULD BE BLOWN AROUND OR DAMAGED BY THE WIND. && $$ AHSENMACHER
What forecasters said that day
The local office's own words before this high wind watch 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 high wind watch went out at Dec 28, 4:00 PM AKST, 30 minutes earlier.
Area forecast discussion, Dec 28, 4:00 PM AKST, 30 minutes before
SOUTHCENTRAL AND SOUTHWEST ALASKA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE ANCHORAGE AK
400 PM AKST FRI DEC 28 2012
.ANALYSIS AND UPPER LEVELS...
A LONGWAVE TROUGH REMAINS OVER THE BERING SEA AND IS DOMINATING THE
WEATHER PATTERN OVER ALASKA. ASSOCIATED WITH THE LONGWAVE TROUGH IS A
SHORT WAVE TROUGH LIFTING THROUGH THE MAINLAND TODAY. LIGHT
PRECIPITATION IS BEING EXPERIENCED FROM THE WEST COAST TO CORDOVA.
THE MAIN TROUGH AXIS IS NEAR 180 WITH MULTIPLE MODERATE TO STRONG
SHORT WAVE TROUGHS MOVING AROUND THE BROAD UPPER LEVEL LOW WITH SOME
SURFACE REFLECTION AS WELL. THE STRONGEST RIGHT NOW IS HEADED TOWARD
BRISTOL BAY THIS AFTERNOON WITH AN ASSOCIATED 100KT JET. THE JET
HOLDING ON IN THE BASE OF THE TROUGH IS AROUND 180KT. AT THE
SURFACE...A FEW LOWS ARE EMBEDDED IN THE BROAD BERING LOW. TWO ARE
ALONG 180 WITH ONE BEING NEAR 60N AND THE OTHER AT 50N. ON THE
BACKSIDE OF THESE LOWS...STRONG NORTHERLY WINDS ARE PRESENT WITH SNOW
SHOWERS AND FREEZING SPRAY. THE STRONGEST LOW IS SOUTH OF COLD BAY
THIS AFTERNOON WITH GALE FORCE WINDS HITTING THE PACIFIC SIDE OF THE
EASTERN ALEUTIANS AND ANTICIPATED MODERATE TO HEAVY RAIN.
.MODEL DISCUSSION...
MODELS ARE FAIRLY CONSISTENT WITH THE LOW MOVING INTO BRISTOL BAY
TONIGHT AND ITS IMPACTS ON SOUTHWEST AND SOUTHCENTRAL ALASKA. THE LOW
WILL LIFT INTO THE NORTHERN BERING AND WEAKEN SATURDAY NIGHT. ANOTHER
LOW WILL CONSOLIDATE SOUTH OF KODIAK ISLAND SATURDAY AFTERNOON BEFORE
RE-CURVING TO THE AKPEN LIKE TONIGHTS LOW. THERE ARE SOME
UNCERTAINTIES OF THE EXACT PATH AND TIMING OF THIS LOW. THE GFS IS
TRENDING FASTER THAN THE EC AND CANADIAN REGIONAL MODEL AND NAM.
HOWEVER...THE RUN TO RUN CONSISTENCY OF THIS SCENARIO HAS BEEN THERE
FOR THE GFS. WOULD NOT BE SURPRISED TO SEE IT SLOW WHICH WILL MOVE
TIMING OF WIND EVENTS FOR SATURDAY NIGHT AND SUNDAY. THAT LOW WILL
MOVE INLAND ACROSS WESTERN ALASKA INTO THE BERING STRAIT. ANOTHER LOW
TO MOVE OUT OF NORTH PACIFIC IS EXPECTED TO IMPACT THE AREA MONDAY
AFTERNOON. THIS WILL BRING ANOTHER WIND EPISODE TO SOUTHWEST AND
SOUTHCENTRAL ALASKA.
THE PRECIP PICTURE CALLS FOR PERIODS OF HEAVIER PRECIP AND SOME MIX
PRECIP SINCE THE SIGNATURE OF ALL THESE LOWS IS WARM AIR MOVING INTO
THE REGION. SO TEMPS HAVE BEEN TRENDED UPWARD ABOVE MOST MOS
GUIDANCE.
IN THE MEANTIME...WEAKER LOWS WILL ROTATE AROUND THE WESTERN BERING
WITH AREAS OF PRECIPITATION AND MODERATE WINDS IN COLD AIR ADVECTION
IN THE FAR WESTERN BERING. A LOW WILL MOVE OUT OF ASIA MONDAY AND
CROSS THE KAMCHATKA PENINSULA MONDAY NIGHT WITH AN ASSOCIATED FRONT
REACHING ATTU TUESDAY MORNING.
.SHORT TERM FORECAST...
SOUTHCENTRAL...BIG FOCUS FOR TONIGHT IS STRONG WINDS TO HIT TONIGHT.
A LOW IS MOVING INTO BRISTOL BAY TONIGHT WITH A FRONT PUSHING NORTH
TO THE GULF COAST. GAPS THROUGH THE TERRAIN ESPECIALLY TURNAGAIN ARM
AREA WILL SEE THE HIGHEST WIND SPEEDS LATE TONIGHT THROUGH EARLY
TOMORROW MORNING. NOT SO CERTAIN IT WILL PUSH DOWN THE HILLSIDE TOO
MUCH...BUT WILL SATURDAY MORNING BRIEFLY. ELSEWHERE RAIN WILL BE THE
RULE AT LOWER COASTAL LOCATIONS DOWN TO KODIAK WITH STORM FORCE WINDS
IN THE GULF AND COASTAL WATERS WITH THE FRONT TONIGHT. ANOTHER LOW TO
ROLL UP SATURDAY NIGHT INTO SUNDAY WITH GALE AND STORM FORCE WINDS IN
THE GULF AND COASTAL WATERS. PRECIP ONCE AGAIN WILL BE RAIN ALONG THE
COAST. WINDS WILL BE AN ISSUE FOR GAP AREAS AGAIN SUNDAY. TIMING AND
STRENGTH ARE A BIT UNCERTAIN...SO WENT WITH A WATCH FOR THE TURNAGAIN
ARM AREAS. ANOTHER SIMILAR LOW TO MOVE INTO THE AREA AGAIN MONDAY
NIGHT AND TUESDAY. THERE IS GOOD JET SUPPORT FOR ALL THESE WIND
STORMS WITH THE MIDDLE ONE BEING THE MOST DYNAMIC AND UNCERTAIN RIGHT
NOW.
NOT EXPECTING ANY PRECIP INLAND WITH THESE EVENT AND ALL WILL BE
RESTRICTED TO THE MOUNTAINS AND COASTAL LOCALES. SOME HIGHER MOUNTAIN
ELEVATIONS COULD SEE UPWARDS OF 3 FEET OF SNOW BY MONDAY POSSIBLY
ADDING TO AVALANCHE DANGER.
SOUTHWEST...THE SAME FRONT THAT WILL BE BRINGING STRONG WINDS TO
SOUTHCENTRAL WILL ALSO CREATE EXTREMELY STRONG WINDS THROUGH GAPS IN
THE ALEUTIAN RANGE TONIGHT. WARNING WINDS WILL BE THROUGH THE GAPS
AND POSSIBLY SURFACE IN BRISTOL BAY A BIT WITH THE FRONTAL PASSAGE.
THE RELATIVELY WARMER WEATHER LATELY HAS DROPPED THE CONCERN FOR
FREEZING PRECIP IN BRISTOL BAY. HOWEVER...THERE COULD BE A SHOT IN
THE LOWER KUSKOKWIM VALLEY TONIGHT. AS THE PRECIP SHIELD SWINGS
ACROSS SOUTHWEST ALASKA TONIGHT...AREAS OF HEAVIER PRECIP WILL BE
EXPERIENCED IN BRISTOL BAY DILLINGHAM WEST INTO THE KUSKOKWIM DELTA.
THE HEAVIER PRECIP WILL BRING SOME GOOD AMOUNT OF SNOW. AS THE LOW
TRANSITS THE AREA...THE ENERGY ON THE BACK SIDE OF LOW IS QUITE BRIEF
AND INTENSE. THIS WILL BRING AN AREA OF INTENSE SNOW AND STRONG WINDS
ALBEIT FAST. FOR THIS REASON...WE HAVE ISSUED A WINTER STORM WARNING
FOR THE KUSKOKWIM DELTA FOR HEAVY SNOW AND POSSIBLE MIXED PRECIP WHEN
THE INTENSITY SUBSIDES A BIT LATER TONIGHT BEFORE THE INTENSE SNOW
AND WIND ON THE BACKSIDE REACHES THE AREA. DUE TO THE TEMPS IN
BRISTOL BAY...EXPECT AREAS OF BLOWING SNOW BUT NO BLIZZARD WITH
TONIGHTS EVENT.
BERING SEA AND ALEUTIANS...A LARGE UPPER LOW COMBINED WITH MULTIPLE
SURFACE LOWS ROTATING IN THE AREA. A VERY COMPLEX BUT RELATIVELY WEAK
LOW PRESSURE SYSTEM OVER THE BERING SEA WILL MEAN WARMER RAIN SHOWERS
OVER THE EASTERN BERING AND ALEUTIANS AND COLDER AND SNOW SHOWERS ON
THE WESTERN BERING THE NEXT COUPLE DAYS. A FRONT WILL REACH THE AREA
TUESDAY NEAR ATTU AND PUSH EAST AND PULL APART. RELATIVELY BENIGN
WEATHER FOR THIS PART OF THE WORLD.
.LONG TERM FORECAST...
CURRENT DEEP LOW IN THE BERING WEAKENS OVER THE NEXT FEW DAYS BUT
RE-ESTABLISHES BY MID WEEK. THIS WILL KEEP SOUTHERLY FLOW OVER THE
MAINLAND AND ABOVE NORMAL TEMPS WITH RAIN/SNOW MAINLY ALONG THE
COASTAL REGIONS.
.AER/ALU...WATCH/WARNING SUMMARY
PUBLIC...HIGH WIND WARNING 101 161
WINTER STORM WARNING 155
FREEZING RAIN ADVISORY 152
HIGH WIND WATCH 101 125
MARINE...STORM 120 130 132 150 155 160 165 351 352
GALE 125 129 138 140 141 175 176 180 411 414
HEAVY FREEZING SPRAY 176 185
FIRE WEATHER...NONE
NELSON DEC 12The office that day
Everything else NWS Anchorage, AK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 28, 4:00 PM AKST | Gale Warning | AFC | 12 hr | |
| Dec 28, 4:00 PM AKST | Gale Warning | AFC | 48 hr | |
| Dec 28, 4:00 PM AKST | Gale Warning | AFC | 3 days | |
| Dec 28, 4:00 PM AKST | Small Craft Advisory | AFC | 24 hr | |
| Dec 28, 4:00 PM AKST | Storm Warning | AFC | 3 days | |
| Dec 28, 4:00 PM AKST | Storm Warning | AFC | 48 hr | |
| Dec 28, 4:00 PM AKST | Storm Warning | AFC | 3 days | |
| Dec 28, 4:00 PM AKST | Heavy Freezing Spray Warning | AFC | 12 hr | |
| Dec 28, 4:07 PM AKST | Winter Storm Warning | AFC | 13 hr | |
| Dec 28, 4:07 PM AKST | Freezing Rain Advisory | AFC | 13 hr | |
| Dec 29, 4:00 AM AKST | Brisk Wind Advisory | AFC | 62 hr | |
| Dec 29, 4:00 AM AKST | Gale Warning | AFC | 24 hr | |
| Dec 29, 4:00 AM AKST | Small Craft Advisory | AFC | 62 hr | |
| Dec 29, 4:00 AM AKST | Storm Warning | AFC | 24 hr | |
| Dec 29, 4:45 AM AKST | Freezing Rain Advisory | AFC | 6 hr | |
| Dec 29, 6:43 AM AKST | Storm Warning | AFC | 9 hr |
Nearby
High Wind Watches in Alaska, 2012Every high wind watch in 2012
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.