Such a boring forecast!
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE FORT WORTH TX
254 PM CST TUE JAN 12 2016
.DISCUSSION...
A SPLIT FLOW PATTERN EXISTS ACROSS THE CONUS WITH NORTH AND
CENTRAL TEXAS CURRENTLY BEING DOMINATED BY A NORTHERN BRANCH
UPPER RIDGE. ABOVE-NORMAL TEMPERATURES WILL BE THE RESULT OVER THE
NEXT FEW DAYS /LOWS IN THE 30S & 40S AND HIGHS IN THE 60S/ AS WE
AWAIT THE ARRIVAL OF OUT NEXT SET OF UPPER LEVEL SYSTEMS.
THE FIRST AND SECOND SYSTEMS ARE A COUPLE OF SHORTWAVE TROUGHS
WHICH CAN BE SEEN ON WATER VAPOR IMAGERY OFF THE WEST U.S. COAST.
ONE TROUGH RESIDES IN THE NORTHERN STREAM AND IS CURRENTLY
APPROACHING THE COAST OF OREGON...THE OTHER JUST OFF THE SOUTHERN
CALIFORNIA AND NORTHERN BAJA COASTS. THE TWO FEATURES ARE PROGGED
TO APPROACH FROM THE WEST OVER THE NEXT COUPLE OF
DAYS...EVENTUALLY MERGING AS A SINGLE SHORTWAVE ACROSS THE
SOUTHERN AND CENTRAL PLAINS ON THURSDAY.
GOOD SHEAR AND DECENT LIFT WILL DEVELOP ACROSS PARTS OF NORTH AND
CENTRAL TEXAS THURSDAY AS THE SYSTEMS MOVE ACROSS THE PLAINS...BUT
THE LACK OF MOISTURE AND INSTABILITY SHOULD KEEP THE WESTERN HALF
OF THE REGION DRY. GULF MOISTURE WILL BEGIN TO GET TAPPED ACROSS
THE EASTERN COUNTIES BY THURSDAY AFTERNOON. INSTABILITY WILL BE
MINIMAL...BUT SHOULD BE SUFFICIENT FOR AT LEAST ISOLATED
CONVECTION EAST OF I-35 DURING THE AFTERNOON AND EARLY EVENING
HOURS THURSDAY. THIS CONVECTION WILL SPREAD QUICKLY EAST THURSDAY
NIGHT AS THE NOW SINGLE SHORTWAVE RACES OFF TO THE NORTHEAST.
A SURFACE FRONT WILL PUSH THROUGH THE AREA FRIDAY MORNING ON THE
HEELS OF THE UPPER LEVEL SYSTEM. WINDS WILL SHIFT TO THE
NORTHWEST ON FRIDAY BEHIND THIS FRONT...WITH COOLER AND DRIER AIR
EXPECTED AREA-WIDE.
ANOTHER SHORTWAVE TROUGH WILL DROP SOUTHEAST FROM THE FOUR-
CORNERS REGION INTO NORTH TEXAS FRIDAY NIGHT INTO SATURDAY. THIS
TROUGH WILL BE ACCOMPANIED BY A STRONGER COLD FRONT...WHICH WILL
BRING A MODIFIED ARCTIC AIRMASS SOUTH INTO TEXAS. LIGHT
PRECIPITATION IS EXPECTED AS THE SHORTWAVE MOVES OVERHEAD. MODEL
THICKNESSES ARE CONDUCIVE FOR SOME LIGHT SNOW NORTH OF I-20...BUT
SURFACE TEMPERATURES IN THE 35-40 DEGREE RANGE SHOULD KEEP MOST
OF THIS IN THE FORM OF LIGHT RAIN. HOWEVER...SINCE OUR COLDEST
CONDITIONS ARE EXPECTED ALONG THE RED RIVER...WE HAVE ADDED A
LIGHT RAIN/SNOW MIX FOR THE NORTHERN TIER COUNTIES SATURDAY. AT
THIS TIME IT APPEARS THAT ACCUMULATIONS IF ANY WOULD BE
MINIMAL...BUT IT WILL BEAR WATCHING AS WE MOVE THROUGH THE WEEK.
BELOW-FREEZING TEMPERATURES ARE A GOOD BET SATURDAY NIGHT/SUNDAY
MORNING ACROSS MOST OF THE AREA BEHIND THE FRONT. DECREASING
CLOUDS SHOULD ALLOW HIGHS ON SUNDAY TO REACH THE UPPER 40S AND
50S.
THE PATTERN WILL REMAIN PROGRESSIVE AND ANOTHER FAST-MOVING
/ALBEIT WEAKER/ SHORTWAVE WILL BRING A SLIGHT CHANCE OF SHOWERS
MONDAY. TEMPERATURES WILL CONTINUE TO MODIFY DURING THE FIRST
HALF OF NEXT WEEK AS RIDGING DEVELOPS ALOFT AHEAD OF OUR NEXT
STORM SYSTEM. THIS SYSTEM WILL LIKELY BRING A ROUND OF SHOWERS
AND STORMS MID TO LATE NEXT WEEK.