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...HIGH WIND WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 2 PM EDT
SUNDAY...
* WINDS...WEST 30 TO 40 MPH WITH GUSTS UP TO 60 MPH.
* TIMING...LATE SATURDAY NIGHT INTO SUNDAY MORNING.
* IMPACTS...TREES AND POWER LINES MAY BE DOWNED. THIS MAY LEAD
TO SCATTERED POWER OUTAGES AND DIFFICULTY DRIVING HIGH PROFILE
VEHICLES.
For Northern Georgia
Quote:
354 AM EDT SAT APR 2 2016
THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A
FREEZE WARNING...WHICH IS IN EFFECT FROM 1 AM TO 9 AM EDT SUNDAY.
A WIND ADVISORY HAS ALSO BEEN ISSUED. THIS WIND ADVISORY IS IN
EFFECT FROM 11 AM THIS MORNING TO 2 AM EDT SUNDAY.
* LOCATIONS...BOTH THE FREEZE WARNING AND WIND ADVISORY ARE IN
EFFECT FOR THE MOUNTAINS OF NORTHEAST GEORGIA. THE HIGH WINDS
WILL MAINLY IMPACT ELEVATIONS ABOVE 2000 FEET.
* TEMPERATURES...OVERNIGHT TEMPERATURES WILL DIP TO NEAR 32
DEGREES.
* TIMING...THE WIND ADVISORY IS IN EFFECT FROM THIS MORNING INTO
THE OVERNIGHT HOURS. THE FREEZE WARNING IS IN EFFECT OVERNIGHT
AND EARLY SUNDAY MORNING.
* IMPACTS...HIGH WINDS WILL LIKELY TOPPLE TREES AND SOME POWER
LINES. HIGH PROFILE VEHICLES WILL BE EXTREMELY SUSCEPTIBLE TO
THESE HIGH WINDS. THE FREEZING TEMPERATURES COULD DAMAGE TENDER
OR NEW VEGETATION.
* WINDS...SUSTAINED NW WINDS OF 15 TO 20 MPH WITH GUSTS UP TO 40
AT THE HIGHER ELEVATIONS.
Absolutely incredible. We really haven't had anything interesting happen since the January Blizzard.
Quote:
TONIGHT INTO SUNDAY...
* STRONG TO DAMAGING WINDS NEAR HURRICANE FORCE
* WIND ADVISORY / HIGH WIND WATCH POSTED
* INTENSE BURST OF SNOW WITH ACCUMULATIONS 1 TO 3 INCHES
* STORM FORCE WINDS ACROSS THE WATERS
SNOW BURST EARLY SUNDAY MORNING INTO MIDDAY ACCOMPANIED WITH STRONG
TO DAMAGING WINDS. WILL BE AN UNPRECEDENTED RARE EVENT INCORPORATING
RAPID CYCLOGENESIS...INTENSE LIFT...AND ACCUMULATING SNOWS AS WELL
AS THE LIKELIHOOD OF THUNDERSNOW. SHOULD SEE IMPACTS TAPER DOWNWARD
LATE AFTERNOON INTO SUNDAY EVENING. AFRAID MANY ARE GOING TO BE CAUGHT OFF-GUARD WITH THE LATE SEASON SNOW. WILL HIT ON THE DETAILS
BELOW AS BEST AS POSSIBLE.
POTENT VORTEX OUT OF THE GREAT LAKES REGION CYCLONICALLY DIGGING S
OF NEW ENGLAND INVOKES INTENSE CYCLOGENESIS ALONG THE S-SHORELINE.
THIS WHILE DRAGGING CONSIDERABLY COLDER AIR ACROSS THE REGION WITH
H85 TEMPERATURES FALLING -10 TO -15C NEAR RECORD BREAKING PER LOCAL
SOUNDING CLIMATOLOGY. STRONG LOW TO MID FORCING ABOVE SURFACE INFLOW
AND BENT-BACK WARM FRONT WITH COLD AIR ADVECTION REARWARD RESULTING
IN THE ATMOSPHERIC COLUMN BECOMING SUPER-ADIABATIC / UNSTABLE UP TO
H6 BENEATH THE TROPOPAUSE FOLD. ENSEMBLE CLIMATOLOGICAL PERCENTILES
SHOWING THIS EVENT TO BE NEAR OR AT ALL-TIME HISTORICAL MINIMUMS...
IMPRESSIVELY ANOMALOUS.
TEMPERATURES / PRECIPITATION INTENSITY....CRITICAL WITH THIS EVENT
IS THE PRECIPITATION INTENSITY DETERMINING PRECIPITATION TYPE...AS
WELL AS 2M SURFACE TEMPERATURES. WILL DRIVE SUCH TEMPERATURES CLOSE
TO IF NOT AT THE WET-BULB DURING EXPECTED TIME-FRAME OF INTENSE
PRECIPITATION. INITIAL RAIN WHICH HAS INSTABILITY TO WORK WITH AS
THE COLUMN BEGINS TO COOL TO COULD YIELD GRAUPEL/SMALL HAIL WITH
ANY THUNDERSTORMS. BRIEF BEFORE CHANGING OVER QUICKLY TO A INTENSE
SNOWFALL.
SNOWFALL...ALONG SHORES EXPECT LITTLE IF ANY ACCUMULATION ADJACENT
TO WARMER WATERS. LOW ELEVATIONS EXPECTING SLUSHY ACCUMULATIONS ON
ELEVATED / GRASSY SURFACES WITH WET ROADWAYS. AND FINALLY N/W AND
ACROSS HIGH TERRAIN WITH COLDER TEMPERATURES THERE IS A GREATER
OPPORTUNITY AND MORE CONCERN FOR SNOW ACCUMULATION ON ALL SURFACES
WITH HIGHEST SNOWFALL AMOUNTS ATOP BERKSHIRES / WORCESTER HILLS.
SNOW EXPECTED TO OCCUR QUICKLY...IN A SHORT DURATION...ON THE ORDER
OF 1 TO 2 HOURS. STORM TOTAL ACCUMULATIONS 1 TO 3 INCHES AWAY FROM
THE COASTAL PLAINS.
THUNDERSNOW...PRECIPITATION SHOULD BE INTENSE CONSIDERING THE SUPER-
ADIABATIC / UNSTABLE LAPSE RATES. BENEATH THE POTENT VORTEX YIELDING
RAPID CYCLOGENESIS...LOOKING AT LIFT OF 50 MICROBARS PER SECOND IN
SNOW GROWTH REGIONS. DEFINITELY A SIGNAL FOR THUNDERSNOW. WILL PUT
AN ISOLATED MENTION INTO THE FORECAST. INTENSE ENOUGH...WOULD EXPECT
SNOW ACCUMULATION ON A MAJORITY OF SURFACES...EVEN AT THE LOWER
ELEVATIONS. COULD SEE 1 INCH PER HOUR SNOWFALL RATES. COMPLEX TO
FORECAST.
WINDS...INTENSE PRESSURE COUPLET YIELDING HURRICANE FORCE WINDS AT
H925 ACROSS NJ / DELMARVA EXTENDING ON UP ACROSS SE NEW ENGLAND AS
THE STORM EXITS LATE MORNING TO MIDDAY SUNDAY. WITH INCREDIBLY STEEP
LAPSE RATES...UNDOUBTEDLY A MAGNITUDE OF SUCH WINDS WILL MIX DOWN TO
THE SURFACE. 35 TO 55 MPH WINDS ACROSS INTERIOR NEW ENGLAND N TO S
WITH 50 TO 70 MPH WINDS ACROSS RHODE ISLAND AS WELL AS E/SE MASS.
HIGH CONFIDENCE FOR WIND ADVISORY CONDITIONS OVER ALL S NEW ENGLAND.
LOWER CONFIDENCE ON WHERE EXACTLY HIGH WIND WARNING CRITERIA WILL
BE MET. WENT WITH A WATCH OVER E/SE NEW ENGLAND.
.LONG TERM /SUNDAY NIGHT THROUGH FRIDAY/...
HIGHLIGHTS...
* VERY ACTIVE WEATHER PATTERN NEXT 7 DAYS
* TEMPERATURES - UNSEASONABLY COLD FOR EARLY APRIL SUNDAY THROUGH
WEDNESDAY...THEN MODERATING LATE NEXT WEEK
* PRECIPITATION - ACCUMULATING SNOW LIKELY MONDAY ALONG WITH OCEAN EFFECT SNOW SHOWERS EASTERN MA TUE MORNING. OTHERWISE DRY TUE INTO
WED FOLLOWED BY WET WEATHER LATE NEXT WEEK
SUNDAY NIGHT ... MODELS HAVE SPED UP THE ARRIVAL OF THE NEXT SYSTEM
WITH SNOW POSSIBLY BEGINNING BEFORE SUNRISE MONDAY ACROSS WESTERN
PORTIONS OF CT AND MA. OTHERWISE DRY WEATHER PREVAILS MUCH OF THE
NIGHT WITH A VERY COLD AIRMASS IN PLACE WITH TEMP ANOMALIES AT 925
AND 850 ABOUT -2 STANDARD DEVIATIONS COLDER THAN CLIMO. THIS WILL
RESULT IN TEMPS FALLING INTO THE 20S REGIONWIDE ALONG WITH A FEW
UPPER TEENS ACROSS NORTHWEST MA. NORMAL OVERNIGHT LOWS SHOULD BE 30-
35 FOR EARLY APRIL.
MONDAY ... AS MENTIONED ABOVE MODEL GUIDANCE HAS SPED UP ARRIVAL AND
DEPARTURE OF SNOW FROM FRONTAL WAVE. 00Z GFS IS ON THE NORTHERN EDGE
OF THE GUID WITH SFC LOW TRACKING ALONG THE SOUTH COAST...RESULTING
IN PTYPE ISSUES /RAIN & SNOW/ ACROSS CT/RI AND SOUTHEAST MA.
MEANWHILE REMAINDER OF GUID INCLUDING 00Z NAM/ECMWF/GEFS AND 12Z EPS
ARE FARTHER SOUTH AND COLDER. GIVEN TIME RANGE HERE AND SMALL
FRONTAL SCALE SYSTEM A MODEL BLEND IS LIKELY MOST SKILLFUL. THUS
WILL USE A BLEND APPROACH HERE. REGARDING QPF...00Z ECMWF/GFS/GEFS
AND 12Z EPS SUPPORT POTENTIAL QPF OF 0.20 TO 0.50 INCHES ACROSS THE
REGION. PRELIMINARY SNOW FORECAST VERY DIFFICULT AT THIS TIME RANGE
ESPECIALLY WITH SMALL FRONTAL WAVE IN ADDITION TO POTENTIAL PTYPE
ISSUES. FURTHERMORE ACCUMULATING SNOW ON PAVED SURFACES IN APRIL SNOW
EVENTS /HIGH SUN ANGLE...WARM GROUND AND LONGER DAYS THAN NIGHTS/
HINGE ON INTENSITY OF QPF. IF INTENSITY IS LACKING MOST ACCUMULATION
IS CONFINED TO THE COLDER SURFACES/HIGHER TERRAIN AND SECONDARY
ROADS. JUST TOO EARLY FOR ANY INSIGHT WHERE HEAVIER SNOW BANDS
WOULD POTENTIALLY SETUP. STAY TUNED.
MON NIGHT AND TUESDAY ... VERY PROGRESSIVE SYSTEM SO A DRYING TREND
THIS PERIOD. THE EXCEPTION WILL BE OVER COASTAL PLYMOUTH
COUNTY...CAPE COD AND NANTUCKET WHERE NORTHEAST WINDS AND STEEP LOW
LEVEL LAPSE RATES LIKELY RESULT IN OCEAN EFFECT SNOW BANDS. THIS IS
COURTSEY OF VERY COLD AIR ADVECTING IN ON BACKSIDE OF DEPARTING
SURFACE WAVE. IN FACT THIS AIRMASS WILL BE JUST AS COLD IF NOT
COLDER THAN SUNDAY/SUNDAY NIGHT/S AIRMASS WITH H85 TEMPS DOWN TO -
15C 12Z TUE! OTHERWISE EXPECT A VERY CHILLY DAY TUE WITH MUCH OF THE
AREA DRY WITH THE EXCEPTION OF SOUTHEAST MA AS MENTIONED ABOVE. VERY
BLUSTERY IN THE MORNING ACROSS SOUTHEAST MA WITH DEPARTING WAVE AND
1033 MB HIGH ENTERING THE GREAT LAKES.
Radar is showing snow on the Green Mountains of southern Vermont already
My radar not catching it but I see why it is snowing up there.. It's Below freezing above 4500'. That freezing line is pushing East and so we will go up a little with the daytime temps, level off , then start dropping later on..
My radar not catching it but I see why it is snowing up there.. It's Below freezing above 4500'. That freezing line is pushing East and so we will go up a little with the daytime temps, level off , then start dropping later on..
It's about to start raining here any minute.
weather underground radar had snow; started to switch
The weather is going to be perfect here in Georgia this coming week, with daytime high temperatures between 65°F and 75°F, and nighttime low temperatures between 40°F and 50°F. I won't have to use heat or air conditioning in my house for a while. I don't mind having a few chilly nights to start April either, considering how warm it was in the middle of March. It warmed up too fast too soon, so this reprieve will be nice.
Last edited by chicagogeorge; 04-02-2016 at 09:11 AM..
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