Area Forecast Discussion
Issued by NWS Albuquerque, NM

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000
FXUS65 KABQ 302150
AFDABQ

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE ALBUQUERQUE NM
350 PM MDT SAT APR 30 2016

...RARE DAMAGING EAST WIND EVENT EXPECTED IN THE ALBUQUERQUE
METRO AREA LATE THIS EVENING THROUGH SUNDAY MORNING...

.SYNOPSIS...
A LOW PRESSURE SYSTEM SLOWLY APPROACHING NEW MEXICO FROM THE WEST
WILL DRAW A POWERFUL BACK DOOR COLD FRONT THROUGH THE STATE
TONIGHT. POTENTIALLY DAMAGING EAST WINDS OVERTOPPING THE CENTRAL
MOUNTAINS WILL SLAM INTO THE ALBUQUERQUE METRO AREA WITH SUSTAINED
SPEEDS FROM 35 TO 60 MPH AND GUSTS UP TO 75 MPH LATE THIS EVENING
INTO SUNDAY MORNING. MUCH OF THE REMAINDER OF CENTRAL NEW MEXICO
WILL FEEL GUSTS UP TO 55 MPH...INCLUDING SANTA FE. THE STORM WILL
ALSO PRODUCE UP TO 15 INCHES OF SNOW ACCUMULATION TONIGHT THROUGH
SUNDAY IN PARTS OF THE NORTHERN MOUNTAINS...WITH A FEW TO SEVERAL
INCHES IN THE SURROUNDING HIGHLANDS AND VALLEYS...AS WELL AS THE
WEST CENTRAL MOUNTAINS. THE STORM WILL EXIT NORTHEAST OF THE AREA
SUNDAY NIGHT WITH WEAKER WINDS...A LINGERING CHANCE OF
PRECIPITATION AND THE POTENTIAL FOR A LATE SEASON FREEZE IN SOME
LOCATIONS.

&&

.DISCUSSION...
NUMERICAL MODEL GUIDANCE IS IN VERY GOOD AGREEMENT ON THE
LIKELIHOOD OF DAMAGING EAST WINDS IN THE ALBUQUERQUE METRO AREA
TONIGHT INTO SUNDAY MORNING. MODELS HAVE BEEN FORECASTING VERY
STRONG WINDS FOR SEVERAL DAYS NOW...GIVING US HIGH CONFIDENCE IN
THIS CLIMATOLOGICALLY RARE OCCURRENCE. ALL OF EASTERN
ALBUQUERQUE...INCLUDING THE NORTHEAST HEIGHTS AND
FOOTHILLS...WILL BE IMPACTED BY THESE VERY STRONG WINDS AS 30-35 KT
E TO SE FLOW AT 700 MB OVERTOPS THE SANDIA MOUNTAINS. DOWNSLOPE
ACCELERATION ON THE LEE SIDE OF THE MOUNTAINS WILL LIKELY RESULT
IN SOME GUSTS REACHING NEAR 75 MPH.

MODELS ARE ALSO PAINTING A CLEARER PICTURE OF THE UPPER LEVEL LOW
PRESSURE SYSTEM OPENING INTO A TROUGH AS IT CROSSES NORTHERN NEW
MEXICO LATE SUNDAY AND EXITS EAST SUNDAY NIGHT. ABUNDANT LOW LEVEL
MOISTURE...COLD AIR DELIVERED WITH THE FRONT AND STRONG UPPER
LEVEL DYNAMICS WILL COME TOGETHER FOR SEVERAL INCHES OF LATE
SEASON SNOW IN THE NORTHERN AND WESTERN MOUNTAINS. I-25 WILL BE
IMPACTED FROM SANTA FE TO THE COLORADO BORDER...AS WELL AS I-40
CROSSING THE CONTINENTAL DIVIDE. THERE IS SOME CONCERN THAT THE
NORTHWEST MOUNTAINS COULD RECEIVE WARNING CRITERIA SNOW NEAR 1
FOOT...TOO. LATER SHIFTS WILL MONITOR THE WINTER WEATHER
ADVISORIES BEING ISSUED THERE AND UPGRADE AS NEEDED.

GFS AND ECMWF ARE STILL AT ODDS ON WHETHER A MID LEVEL RIDGE OR
UPPER LEVEL TROUGH WILL BE THE DOMINATING WEATHER FEATURE THROUGH
THE EARLY PART OF THE COMING WORK WEEK. EVEN IF THE GFS RIDGE IS
RIGHT...THERE MAY BE ENOUGH MOISTURE TO RECYCLE FOR DAILY ROUNDS
OF SHOWERS AND THUNDERSTORMS MONDAY AND TUESDAY AS THE WEATHER
GRADUALLY WARMS ABOVE SUNDAYS COLD READINGS. MODELS AGREE ON THE
RIDGE BECOMING DOMINANT AROUND MID WEEK.

44

&&

.FIRE WEATHER...
NO SIGNIFICANT FIRE WEATHER CONCERNS THROUGH WEDNESDAY...THEN
INCREASING CHANCES OF CRITICAL FIRE WEATHER CONDITIONS LATE NEXT
WEEK.

THE NEXT UPPER LEVEL CLOSED LOW IS ALONG THE CA...AZ BORDER THIS
AFTERNOON. IT WILL MOVE ACROSS AZ TONIGHT THEN WEAKEN AS IT TURNS
NORTHEAST OVER THE FOUR CORNERS REGION SUNDAY. SHOWERS WILL CONTINUE
TO FORM THIS AFTERNOON AND EVENING AND BE WIDESPREAD TONIGHT AND
SUNDAY...ALONG WITH A FEW THUNDERSTORMS. SNOW WILL FALL OVER THE
WESTERN AND ESPECIALLY NORTHERN MOUNTAINS WITH SUBSTANTIAL SNOWFALL
IN THE SANGRE DE CRISTO MOUNTAINS.

BUT THE SNOW MAY NOT BE THE BIGGEST STORY LATER TONIGHT INTO SUNDAY.
THE CURRENT SET OF NUMERICAL GUIDANCE IS EVEN A LITTLE STRONGER WITH
THEIR WIND FORECASTS FOR ALBUQUERQUE. WITH THE UPPER LOW CENTERED
OVER ARIZONA AND A TIGHTENING SURFACE GRADIENT...EAST WINDS WILL
INCREASE DRAMATICALLY DURING THE OVERNIGHT HOURS AND A SIGNIFICANT
TO MAJOR GAP WIND EVENT WILL IMPACT THE CENTRAL VALLEYS. THIS COULD
BE AN OVER THE TOP EVENT FOR THE RIO GRANDE VALLEY...WHICH WOULD
MEAN STRONG TO HIGH WINDS OVER A BIT LARGER AREA THAN CURRENTLY
FORECAST. 700 MB FLOW STEADILY INCREASES WITH SOUTHEAST WINDS OF 40
KNOTS EARLY SUNDAY MORNING. WE WILL CONTINUE WITH THE CURRENT WIND
ADVISORIES...AND THE HIGH WIND WARNING FOR THE MIDDLE RIO GRANDE
VALLEY...THE MOST IMPACT EXPECTED ACROSS EASTERN ALBUQUERQUE.

MUCH COOLER HIGHS ARE FORECAST FOR ALL ZONES SUNDAY BUT ESPECIALLY
SO EAST OF THE CENTRAL MOUNTAINS. WETTING PRECIPITATION IS EXPECTED
AT MOST LOCATIONS BUT WILL FAVOR WESTERN AND NORTHERN ZONES.

THE COOL AND MOIST CONDITIONS CONTINUE INTO MONDAY AND TUESDAY AS
THE UPPER LOW WEAKENS AND MOVES EAST WITH A TRAILING WEAKER WAVE
CROSSING NORTHERN ZONES ON TUESDAY. WETTING PRECIPITATION THOUGH
WILL BE HARD TO COME BY EARLY IN THE WEEK. TEMPERATURES BEGIN
TRENDING UP SOME MONDAY AND TUESDAY...BUT STILL BELOW NORMAL.

AN UPPER LEVEL RIDGE DEVELOPS IN THE WAKE OF THIS ACTIVITY WEDNESDAY
WHILE ANOTHER STRONG UPPER LOW APPROACHES THE WEST COAST. HIGHS
CONTINUE TO WARM WEDNESDAY...FINALLY REACHING NEAR NORMAL VALUES.
RESIDUAL MOISTURE COULD TRIGGER A FEW SHOWERS OVER CENTRAL OR
EASTERN ZONES.

TEMPERATURES INCREASE AGAIN ON THURSDAY AS THE RIDGE AXIS MOVES EAST
OF THE STATE AND A MID LEVEL DRY SLOT WITH SOUTHWEST SURFACE WINDS
DEVELOP AHEAD OF THE NEXT SYSTEM. SPOTTY CRITICAL FIRE WEATHER
CONDITIONS ARE POSSIBLE ACROSS THE WEST ON THURSDAY. STRONGER WINDS
AND A CONTINUED DRY AIRMASS WILL EXPAND THE COVERAGE OF CRITICAL
CONDITIONS TO MORE OF THE WEST AND THE CENTRAL AREAS ON FRIDAY.
DRYLINE CONVECTION WILL BE POSSIBLE LATE NEXT WEEK AS WELL.

LOOKS LIKE THE WEEKEND COULD BE IMPACTED BY ANOTHER CLOSED LOW WITH
COOLER TEMPERATURES...SHOWERS IN THE NORTH...AND GUSTY WINDS ACROSS
THE SOUTH. CRITICAL FIRE CONDITIONS WILL BE A CONCERN FOR THE EAST
CENTRAL PLAINS ON SATURDAY.

VENTILATION TO BE GENERALLY GOOD OR BETTER FOR MUCH OF THE FORECAST
PERIOD...EXCEPT FOR A BROAD AREA OF POOR TO FAIR VALUES IN THE EAST
ON MONDAY...AND OVER THE FAR NORTHEAST ON WEDNESDAY.

CHJ

&&

.AVIATION...
18Z TAF CYCLE
SIGNIFICANT AVIATION IMPACTS ARE EXPECTED THROUGH THE FORECAST
PERIOD. SHOWERS AND HIGH MOUNTAIN SNOW WILL CONTINUE TO DEVELOP
THROUGH THE AFTERNOON WITH ISOLATED THUNDERSTORMS. ISOLATED MVFR
TO IFR CEILINGS IN THE STRONGER SHOWERS...AND ACROSS A SMALL
PORTION OF THE EAST THROUGH 21Z. RAIN AND SNOW WILL CONTINUE
TONIGHT AND SUNDAY WITH ACCUMULATING SNOW IN THE WESTERN AND
NORTHERN MOUNTAINS.

A POWERFUL BACK DOOR COLD FRONT WILL BLAST THROUGH THE EASTERN
PLAINS LATER THIS AFTERNOON AND EVENING. IT WILL COMBINE WITH
STRENGTHENING SOUTHEAST WINDS AT RIDGETOP LEVELS TO PRODUCE
HIGH WINDS THROUGH THE GAPS AND PASSES IN THE CENTRAL VALLEYS
WITH HIGH...POTENTIALLY DAMAGING...WINDS AT KABQ. STRONG WINDS
DURING THE OVERNIGHT AREAS WILL ALSO IMPACT THE HIGHER TERRAIN
OF CENTRAL NEW MEXICO. 40

&&

.PRELIMINARY POINT TEMPS/POPS...
FARMINGTON......................  38  54  34  62 /  70  70  40  20
DULCE...........................  32  48  27  57 /  70  80  60  30
CUBA............................  34  47  27  54 /  80  70  50  20
GALLUP..........................  33  51  25  60 /  80  70  50  30
EL MORRO........................  28  46  24  55 /  90  80  60  40
GRANTS..........................  28  47  25  56 /  80  70  50  40
QUEMADO.........................  32  51  30  61 /  70  80  50  40
GLENWOOD........................  37  64  34  70 /  50  40  20  10
CHAMA...........................  28  41  21  49 /  80  80  60  40
LOS ALAMOS......................  33  45  32  52 /  90  80  60  30
PECOS...........................  30  40  29  50 /  90  70  50  20
CERRO/QUESTA....................  26  39  20  50 /  80  80  50  30
RED RIVER.......................  23  30  19  37 /  90  90  50  40
ANGEL FIRE......................  21  32  14  42 / 100  90  60  40
TAOS............................  26  42  20  51 /  30  70  40  20
MORA............................  27  33  25  42 / 100  80  50  40
ESPANOLA........................  35  51  33  59 /  70  60  40  20
SANTA FE........................  34  44  33  52 /  80  60  40  20
SANTA FE AIRPORT................  33  47  31  56 /  70  40  40  10
ALBUQUERQUE FOOTHILLS...........  39  50  38  60 /  60  20  40  10
ALBUQUERQUE HEIGHTS.............  39  51  38  61 /  50  20  40  10
ALBUQUERQUE VALLEY..............  38  55  37  63 /  50  20  40  10
ALBUQUERQUE WEST MESA...........  40  54  38  63 /  60  30  40  10
LOS LUNAS.......................  37  54  34  62 /  50  30  40  10
RIO RANCHO......................  39  53  37  62 /  60  40  40  10
SOCORRO.........................  41  61  36  66 /  40  40  30  20
SANDIA PARK/CEDAR CREST.........  34  42  32  52 /  70  40  50  10
TIJERAS.........................  35  45  34  57 /  70  30  40  10
MORIARTY/ESTANCIA...............  29  42  28  53 /  60  30  40  10
CLINES CORNERS..................  29  37  28  50 /  70  50  40  10
GRAN QUIVIRA....................  33  45  31  56 /  40  30  30  10
CARRIZOZO.......................  38  54  34  62 /  20  30  20  10
RUIDOSO.........................  36  46  33  54 /  30  50  20  10
CAPULIN.........................  27  36  26  46 /  70  80  60  20
RATON...........................  28  40  24  50 /  70  70  60  10
SPRINGER........................  28  41  24  51 /  80  70  40  10
LAS VEGAS.......................  28  38  26  49 / 100  70  40  20
CLAYTON.........................  32  42  33  53 /  50  60  40  10
ROY.............................  30  40  28  50 /  70  60  40  10
CONCHAS.........................  35  47  33  57 /  60  70  30  10
SANTA ROSA......................  35  44  34  56 /  60  60  20  10
TUCUMCARI.......................  34  48  31  57 /  50  60  20  10
CLOVIS..........................  38  45  34  56 /  40  50  20  10
PORTALES........................  39  46  36  58 /  30  50  20  10
FORT SUMNER.....................  38  46  34  57 /  40  50  20  10
ROSWELL.........................  42  53  37  64 /  20  40  10  10
PICACHO.........................  36  47  33  57 /  30  50  20  10
ELK.............................  38  48  34  54 /  20  40  20  10

&&

.ABQ WATCHES/WARNINGS/ADVISORIES...
WINTER WEATHER ADVISORY UNTIL 6 PM MDT SUNDAY FOR THE FOLLOWING
ZONES... NMZ502-506-510>512-516-527>529.

WINTER STORM WARNING UNTIL 6 PM MDT SUNDAY FOR THE FOLLOWING
ZONES... NMZ513>515.

WIND ADVISORY FROM 11 PM THIS EVENING TO NOON MDT SUNDAY FOR THE
FOLLOWING ZONES... NMZ504-507-518-520-521-524.

HIGH WIND WARNING FROM 11 PM THIS EVENING TO NOON MDT SUNDAY FOR
THE FOLLOWING ZONES... NMZ519.

&&

$$

44


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