Midday Weather Update: Monitoring A Tough Evening Commute

Matt Peterson has the latest forecast.

TWO ROCKETS AT THE SAME TIME?SOMETHING THE MATTER WITH THATVIDEO?WHAT'S GOING ON THERE?WELL, WHAT'S GOING ON INTHE WEATHER THAT'S THE REALQUESTION.EVERYBODY'S IN IT, YOUKNOW, FRENZY.IN A TIZZY, SPECIAL FOURLETTER WORD, YES, EVERYBODYWORK UP.YES, WE COULD HAVE LITTLE BITOF SNOW LATER THIS AFTERNOONAND THIS EVENING, BUT LIKE WETALKED BERLE YEAR, TIMING ISEVERYTHING.AND IT WILL COME AT PROBABLYTHE WORSE TIME WHERE THEEVENING COMMUTE JUST IN TIMEFOR THE SNOW.LET'S TAKE A LOOK OUTSIDE.CENTER CITY ON THENEIGHBORHOOD NETWORK IT ISDRY, IT IS THE CALM WE CANCALL IT I GUESS BEFORE THEPROVERBIAL STORM, NOT THEPROVERBIAL STORM, THEPROVERBIAL CALM BEFORE THESTORM COMES OUT LATER THISAFTERNOON, AGAIN THENEIGHBORHOOD NETWORKOVERLOOKING THE FRANKLININSTITUTE ON GRAY RIGHT NOWTUESDAY AFTERNOON, BUT, THEMAIN NAME OF THE GAMECURRENTLY IS DRY WEATHER.THAT ACTUALLY TEMPERATURE WISEIS NOT TOO BAD.SITTING IN THE 40'S,CURRENTLY, SO THAT IS WHYWATCH OF THIS PRECIPITATIONAND ONSET OF THIS SYSTEM ISGOING TO COMMAS LIGHT RAIN.BUT THEN AS COOLER AIR GETSWRAPPED IN ON THE BACK SIDE OFIT THAT'S WHEN WE START TO SEETHE CHANGE OVER HAPPEN.ALSO, GET LITTLE BIT WHATEVERWE CALL ' VAC RATIONAL COOLINGGOING ON, TOO, ALL OF THEFACTORS WILL ALLOW THAT RAINTO CHANGE OVER TO SOME WETSNOW.STORM SCAN THREE FOR US,CURRENTLY, MUCH OF THEPRECIPITATION WELL OUT TO OURWEST.STILL SEEING AGAIN SOME PLANERAIN NOW DOWN ACROSS VIRGINIAMOVING INTO SOUTHERN MARYLAND,AS WELL, AND GIVE YOU MOREZOOMED IN VIEW, HARRISBURGSEEING MAYBE SOME FLURRIES,MAYBE EVEN LITTLE BIT OF RAINMICKING IN WITH THAT, ASWOMEN, SO RIGHT ALONG 78 ISWHERE WE ARE STARTING TO SEEMOST OF THE PRECIPITATIONMOVE, IN KIND OF SOUTH OF 80AT THIS POINT.YOU'RE PROBABLY LIGHT WETSNOW, TOO.BUT ALSO SEEING BIT OF NOTCHTHERE.THAT IS SOME DRY AIR ACROSS DCAND AREAS LIKE BALTIMORE KINDOF EATING AWAY AT SOME OF THISEARLY ROUND PRECIPITATION, BUTWHAT ALSO WE'RE SEEING HERE ISAS THE RAIN MOVES NORTHWARD,IT IS GOING TO SATURATE ALL OFTHE AIR.AS IT EVAPORATES WITHIN THEATMOSPHERE IT ALSO COOLS ALLOF THE TEMPERATURES.I WAS TALKING ABOUT IVANNATIONAL COOLING SEEING THERAIN AT FIRST CHARGING OVERMOST LIKELY TO SNOW.TO 3:00, TEMPERATURES ALONGI59 STILL IN THE 40'S EVENACROSS THE BERKS COUNTY LEHIGHVALLEY STILL LOOKING AT 40'STHERE, TOO, STILL SAME SOUTHJERSEY ALL OF THE LIGHT RAINMOST OF IT PROBABLY STILL OUTTO THE WEST, BUT BY5:00 STARTING TO CREEP INTOTHE PHILADELPHIA AREA.THE I-95 CORRIDOR GETTING INON SOME OF THE PRECIPITATIONALSO SOUTH JERSEY AS WELL.STARTING TO SEE MAYBE CHANGEOVER UP THERE IN THE LEHIGHVALLEY BY 5:00, 6:00 AGAINCREEPING CLOSER AND CLOSER, ITHINK AT THIS POINT BY6:00 P.M., WE ARE REALLYLOOKING AT MIX OF RAIN ANDSNOW, 37 DEGREES, IN THE CITY,SO WHILE WE ARE AGAIN NOTQUITE TO THE FREEZING MARK YOUCAN STILL GET SNOW WITHTEMPERATURES ABOVE 32.7:00, THE RAIN SNOW LINEPUSHES WELL PAST PHILLY ATTHAT POINT AND TAKES OVERBASICALLY ALL OF SOUTH JERSEYAS WE HEAD INTO THE EVENINGAND EARLY OVERNIGHT HOURS.WE COULD ACTUALLY GET COUPLEOF MAYBE DECENT CON CONVECTIVEBANDS SETTING UP ACROSS SOUTHJERSEY AS WELL COULD UP OURSNOWFALL RATES AT LEAST FORFEW HOURS, AND THAT COULDMAYBE LEAD TO SOME HIGHERAMOUNTS, ALSO, SOME SLUSHYACCUMULATIONS EVEN ON THEROADWAYS, EVEN IF MOST OF THISWILL BE ACCUMULATING ON GRASSYSURFACES, THEN, TOMORROW, WEWILL WAKE TO UP QUIETCONDITIONS IN THE MORNING,STRONG NORTHWESTERLY WINDS ONWEDNESDAY AFTERNOON.BRINGING MAYBE COUPLE OF STRAYSNOW SHOWERS HERE OR THERE.ACCUMULATIONS LIKE I SAIDGENERALLY FALLING ON THISGRASSY SURFACES, WHERE YOU SEETHIS LIGHT BLUE SHADINGINCLUDING PHILLY AND SOUTHJERSEY PROBABLY GENERALLY ONETO 2 INCHES, FEW LOCALIZEDSPOTS COULD GET AS MUCH ASTHEY INCHES, THOUGH, AS MUCHAS THE REST OF THE AREA,SLUSHY COATING TO 1 INCH WEEKSDO HAVE THE WINTER WEATHERADVISORY IN PLACE, EVERYWHERETHAT YOU SEE SHADED IN PURPLE,FROM 5:00 THIS AFTERNOON UNTILMIDNIGHT TONIGHT.DIFFICULT TRAVEL AS SO WHAT WEARE EXPECTING ANYWHERE THAT'SSHADED IN THE PURPLE.44 DEGREES FOR OUR AFTERNOONHIGH.SITTING JUST ABOUT THAT HIGHRIGHT NOW WITH OURTEMPERATURES, SO PROBABLYWON'T GET TOO MUCH WARMER THANTHROUGH THE AFTERNOON.FORTY TOMORROW.EVEN SOME 30'S, COLD SUNSHINETHURSDAY, BUT THEN ANOTHER BIGCHANGE FOR US FRIDAY INTO THEWEEKENDS, 65 SATURDAYAFTERNOON, GUYS, ONLY1 DEGREES OFF THE RECORD HIGHFOR SATURDAY.WOW I MEAN TALK ABOUT UPAND DOWN.