Area Forecast Discussion
Issued by NWS Albuquerque, NM

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000
FXUS65 KABQ 310255 AAB
AFDABQ

AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE ALBUQUERQUE NM
855 PM MDT WED JUL 30 2014

.UPDATE...
UPDATED TO REMOVE FLASH FLOOD WATCH WORDING FROM THE ZFP. MAIN
CONCERN LATE THIS EVENING WILL CONTINUE TO BE EAST OF THE MANZANOS
AND WHETHER OR NOT STORMS FIRE WEST OF THE MIDDLE RG VALLEY DURING THE
NEXT COUPLE OF HOURS.

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&&

.PREV DISCUSSION...542 PM MDT WED JUL 30 2014...
.AVIATION...
00Z TAF CYCLE
COLD FRONT LYING FROM ROUGHLY SKX TO ROW WILL BULGE WESTWARD
ACROSS THE CENTRAL MOUNTAIN CHAIN TOWARD THE CONTINENTAL DIVIDE BY
06Z THIS EVENING...AS RIDGE ALOFT CENTERS UP ON THE NEW MEXICO
BOOT HEEL. THUNDERSTORMS WILL CONTINUE CENTRAL AND WEST THROUGH
THIS EVENING WITH GUSTY EAST WINDS SQUIRTING THROUGH CENTRAL
MOUNTAIN CHAIN GAPS AND CONTINUING OVERNIGHT OVER THE RIO GRANDE
VALLEY. LOW CIGS MAY DEVELOP OVER EASTERN NM...WITH SCT GROUPS AT
IFR/MVFR EXCURSIONS MARKING LOWEST EXPECTED CIG IN TAFS AT
LVS...TCC...AND ROW. THUNDERSTORMS REDEVELOPING FROM 20Z ONWARD
THURSDAY AFTERNOON CENTRAL AND WEST...WITH REDUCED ACTIVITY IN THE
EAST. TRANSPORT DIRECTION SLOWLY TO THE SOUTHEAST.

SHY

&&

.PREV DISCUSSION...313 PM MDT WED JUL 30 2014...
.SYNOPSIS...
HIGH PRESSURE HAS RELOCATED TO SOUTHWESTERN NEW MEXICO...AND A
COLD FRONT IS CURRENTLY BACKING INTO THE EASTERN PARTS OF THE
STATE. THIS SURFACE BOUNDARY WILL PROVIDE A HINT OF ADDITIONAL
MOISTURE TO THE STATE WHILE ACTING AS A FOCUS FOR ADDITIONAL
SHOWER AND THUNDERSTORM DEVELOPMENT THIS EVENING AND AGAIN ON
THURSDAY. SOME GUSTY WINDS WILL SPILL THROUGH SOME CENTRAL VALLEY
AREAS TONIGHT AS THE FRONT ADVANCES WESTWARD TO THE CONTINENTAL
DIVIDE. SHOWERS AND THUNDERSTORMS ARE CONSEQUENTLY EXPECTED TO
FAVOR AREAS ALONG AND NEAR THE CONTINENTAL DIVIDE ON THURSDAY WITH
RESIDUAL MOISTURE FUELING DAILY BOUTS OF STORMS THROUGH THE
REMAINDER OF THE WEEK AND INTO THE WEEKEND.

&&

.DISCUSSION...
A TRICKY FORECAST IS SHAPING UP THIS EVENING WITH SOME COMBATING
ELEMENTS IN THIS BACK DOOR FRONT REGIME. WITH THE HIGH NESTLED
OVER THE BOOT HEEL OF NM...THE NORTHWESTERLY FLOW ALOFT HAS
STRENGTHENED AT THE OPPOSITE CORNER OF THE STATE WITH A PAIR OF
WELL-DEFINED SHORT WAVE TROUGHS EMBEDDED IN THE FLOW. THE FIRST
WAVE HAS PASSED WELL EAST OF NM WITH A SECONDARY ONE IN WY/CO. THE
MAJORITY OF FORCING WITH THIS SECONDARY FEATURE SHOULD BYPASS
NM...BUT THE FLOW INTO NORTHEASTERN PARTS OF THE STATE WILL BE
QUITE BRISK WITH 15 TO 20 KT AT H7 AND ABOUT 30 KT AT H5. AT THE
SURFACE THE FRONT HAS ADVANCED WELL INTO THE EASTERN HALF OF THE
STATE WITH FAIRLY NEGLIGIBLE INCREASES IN DEW POINTS. PWATS ARE
STILL HEALTHIEST IN THE EASTERN HALF OF NM AT 1.1 TO 1.4 INCHES.

CONVECTIVE MODE AND PLACEMENT OF CONVECTION WILL BE MOST DIFFICULT
TO PINPOINT IN THE NORTHEASTERN QUADRANT OF THE STATE THIS EVENING
WHERE RELATIVELY COOL POST FRONTAL TEMPERATURES ARE FOUND...BUT
STILL SOME REMNANT INSTABILITY AND SHEAR. BEST FRONTOGENETICAL
FORCING HAS ALREADY PASSED...SO INITIATION OF STORMS COULD BE
DIFFICULT OUTSIDE OF THE SANGRE DE CRISTOS. DESPITE THE FAST
STEERING FLOW AND QUICK 15 KT STORM MOTION IN THIS AREA...DO NOT
HAVE ENOUGH CONFIDENCE TO CANCEL THE FLASH FLOOD WATCH. LOCAL WRF
AND HRRR MODEL INDICATE SOME LATE EVENING ACTIVITY IN THE
NORTHEASTERN PLAINS...BUT IT COULD TURN MORE SHOWERY/STRATIFORM BY
THAT POINT. MORE VIGOROUS STORMS WILL LIKELY CONTINUE TO DEVELOP
OFF OF THE SANGRES...DRIFTING SOUTH SOUTHEAST. THIS COULD BE AN
ISSUE IF ANY CELLS MOVE DOWN THE GREATER PECOS RIVER BASIN WHERE
FLOOD WATERS ARE STILL SLOWLY RECEDING WITH SATURATED SOILS.
OTHERWISE EXPECT AN UPTICK IN STORMS DEVELOPING TOWARD THE CENTRAL
TO SOUTH CENTRAL MOUNTAINS THIS EVENING...AND PERHAPS JUMPING THE
RIO GRANDE TOWARD THE CONTINENTAL DIVIDE BEFORE MIDNIGHT. GAP WIND
WILL ALSO TAKE SHAPE AS FRONT SPILLS THROUGH TAOS
CANYON...GLORIETA PASS...TIJERAS CANYON...ABO PASS...AND BENADO
GAP NEAR CARRIZOZO. GUSTS OF 30 TO 45 MPH WILL BE COMMON IN THESE
LOCALES.

THURSDAY THE FOCUS FOR STORMS SHOULD SHIFT TO THE CONTINENTAL
DIVIDE...ESPECIALLY THE EASTERN SLOPES...INCLUDING THE NORTHERN
RANGES OF THE STATE. STORMS WILL MOVE FROM NORTHWEST TO SOUTHEAST
AT ABOUT 10 TO 15 MPH. THE FAR EASTERN BORDER OF NM WILL LIKELY
SEE MINIMAL ACTIVITY AS CONDITIONS WILL REMAIN STABLE IN THE
COOLER POST FRONTAL ENVIRONMENT. TEMPERATURES WILL BE COOLER
ALMOST STATEWIDE...WITH READINGS DIPPING BELOW AVERAGE IN ALL
AREAS EXCEPT ALONG THE AZ BORDER.

HIGH PRESSURE WILL NUDGE NORTHWESTWARD INTO FRIDAY...ALLOWING THE
NORTHWESTERLIES TO RELAX SOME. THIS WILL SLOW DOWN STORM
MOTION...POTENTIALLY INCREASING THE LOCALLY HEAVY RAIN AND
FLOODING THREAT SINCE PLENTY OF RECYCLABLE MOISTURE WILL BE ON
HAND. THE FAR EASTERN TIER OF THE FORECAST AREA WILL AGAIN REMAIN
TOO STABLE TO PRODUCE MANY STORMS...BUT REMAINING AREAS WILL BE
QUITE ACTIVE WITH SCATTERED TO NUMEROUS COVERAGE BUILT INTO THE
FORECAST FRIDAY. MOISTURE SHOULD BE SUFFICIENT FOR
DECENT STORM COVERAGE THROUGH THE WEEKEND WITH HIGH PRESSURE
GRADUALLY LEANING BACK OVER NM AND TEMPERATURES TRYING TO CREEP
BACK TOWARD AVERAGE.

52

&&

.FIRE WEATHER...
AN ACTIVE MONSOON PATTERN LOOKS TO CONTINUE FOR THE FORESEEABLE
FUTURE WITH HIGH TEMPERATURES BELOW NORMAL THROUGH AT LEAST THE
WEEKEND BEFORE TRENDING BACK UP CLOSER TO SEASONAL AVERAGES. A
BACKDOOR FRONT...CURRENTLY MAKING PROGRESS DOWN THE EASTERN
PLAINS...WILL PROVIDE SOME FAIRLY SIGNIFICANT COOLING THERE
THROUGH AT LEAST THURSDAY. THE FRONT WILL PUSH WEST THROUGH THE
CENTRAL MOUNTAIN CHAIN THIS EVENING THEN OUT BEYOND THE
CONTINENTAL DIVIDE BY TOMORROW MORNING...RECHARGING MOISTURE AND
RENEWING THUNDERSTORM ACTIVITY THROUGH FRIDAY FROM THE CENTRAL
MOUNTAIN CHAIN/HIGHLANDS WESTWARD. WETTING RAINS ARE A GOOD BET
JUST ABOUT ANYWHERE CENTRAL AND WEST FROM THU-SUN. STORM MOTION
WILL BE DECREASING FRIDAY THROUGH THE WEEKEND...SO LOCALLY HEAVY
RAINFALL IS SURE BET WITH PWATS REMAINING AT OR ABOVE NORMAL. NOT
MUCH IN THE WAY OF MOISTURE TRENDS THROUGH THE WEEKEND...BUT VENT
RATES WILL TAKE A HIT BEHIND THE FRONT...ESPECIALLY ACROSS THE
EAST TOMORROW. SOME DRYING IS POSSIBLE NEXT WEEK...MAINLY SOUTH
CENTRAL AND EAST AS HIGHS CLIMB BACK CLOSER TO NORMAL...BUT TRENDS
ARE EVER SO SLIGHT.

BOTH THE 12Z ECMWF AND GFS SHOW PRESSURE HEIGHTS FALLING TOWARD THE
MIDDLE OF NEXT WEEK WITH A TROUGH MOVING EAST OVER THE AREA AND THE
UPPER HIGH SQUASHED TO THE SW. ASSUMING THIS WORKS-OUT...THE TREND
FROM MID TO LATE NEXT WEEK WOULD BE A COOLING ONE WITH CONTINUED
THUNDERSTORM ACTIVITY AND WETTING RAINS.

11

&&

.AVIATION...
18Z TAF CYCLE
VFR TERMINALS PREVAILING AND FORECAST TO PERSIST WITH A FEW
EXCEPTIONS. A BACKDOOR FRONT HAS PUSHED THROUGH KLVS AND KTCC AND
WILL PUSH THROUGH KSAF AND KROW AROUND/AFTER 00Z...THEN THROUGH
KABQ BY 02Z. THE PEAK PERIOD FOR POTENTIAL THUNDERSTORM IMPACTS AT
KABQ/KAEG/SAF/KROW WILL BE BETWEEN 00-04Z AS THE FRONT INTERACTS
WITH THUNDERSTORMS MOVING SE OFF OF THE HIGHER TERRAIN TO THE
WEST. GUSTS TO 34KTS ARE FORECAST AT KABQ WITH THE EAST WIND THIS
EVENING AND INTO THE OVERNIGHT HOURS. MVFR CIGS ARE FORECAST TO
DEVELOP TONIGHT AT KLVS...WITH THE POTENTIAL FOR IFR CIGS LATE...
THOUGH FORECAST CONFIDENCE WAS TOO LOW TO INCLUDE IN TAF. THERE IS
SOME POTENTIAL FOR MVFR CIGS TO DEVELOP AT KTCC EARLY THURSDAY
MORNING AS WELL...BUT A MID LEVEL CLOUD DECK MAY WIN-OUT.

11

&&

.ABQ WATCHES/WARNINGS/ADVISORIES...
FLASH FLOOD WATCH UNTIL 9 PM MDT THIS EVENING FOR THE FOLLOWING
ZONES...NMZ513>515-527>531.

&&

$$

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