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March 4-6 Potential Winter Storm part 2


Hoosier

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Winter storm watch for parts of the Pittsburgh CWA. 6+ inches expected.

URGENT - WINTER WEATHER MESSAGENATIONAL WEATHER SERVICE PITTSBURGH PA324 PM EST SAT MAR 5 2011...ACCUMULATING SNOW IS EXPECTED....ALTHOUGH WIDESPREAD RAINFALL HAS BEEN OCCURRING ACROSS THEAREA AND WILL CONTINUE OVERNIGHT...A COLD FRONT WILL BRING SHARPLYCOLDER TEMPERATURES LATER TONIGHT. THERE IS THE POSSIBILITY THATAS COLDER AIR ARRIVES...PRECIPITATION COULD BRIEFLY CHANGE TOFREEZING RAIN OR SLEET...BEFORE CHANGING OVER TO ALL SNOW BY LATESUNDAY MORNING. THE HEAVIEST SNOW IS EXPECTED TO OCCUR LATE MORNINGINTO EARLY AFTERNOON...BEFORE COMING TO AN END SUNDAY NIGHT.PAZ007>009-015-016-060430-/O.NEW.KPBZ.WS.A.0005.110306T1200Z-110307T0300Z/MERCER-VENANGO-FOREST-CLARION-JEFFERSON PA-INCLUDING THE CITIES OF...SHARON...HERMITAGE...GROVE CITY...GREENVILLE...FARRELL...OIL CITY...FRANKLIN...SUGARCREEK...TIONESTA...CLARION...PUNXSUTAWNEY...BROOKVILLE...REYNOLDSVILLE...BROCKWAY324 PM EST SAT MAR 5 2011...WINTER STORM WATCH IN EFFECT FROM SUNDAY MORNING THROUGHSUNDAY EVENING...THE NATIONAL WEATHER SERVICE IN PITTSBURGH HAS ISSUED A WINTERSTORM WATCH...WHICH IS IN EFFECT FROM SUNDAY MORNING THROUGHSUNDAY EVENING.* HAZARD TYPES...SNOW...WITH A BRIEF PERIOD OF FREEZING RAIN OR SLEET POSSIBLE.* ACCUMULATIONS...GREATER THAN 6 INCHES OF SNOW.* TIMING...RAIN WILL CHANGE TO SNOW SUNDAY MORNING...WITH A BRIEF PERIOD OF FREEZING RAIN OR SNOW POSSIBLE. SNOW WILL DIMINISH SUNDAY EVENING.* IMPACTS...ROADWAYS WILL BECOME SLICK AND HAZARDOUS.* WINDS...NORTH 10 TO 20 MPH WITH GUSTS UP TO 30 MPH.* TEMPERATURES...IN THE UPPER 20S.PRECAUTIONARY/PREPAREDNESS ACTIONS...A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANTSNOW...SLEET...OR ICE ACCUMULATIONS THAT MAY IMPACT TRAVEL.CONTINUE TO MONITOR THE LATEST FORECASTS. REPORT YOUR SNOWFALLACCUMULATIONS TO THE NATIONAL WEATHER SERVICE BY CALLING TOLLFREE...1-877-633-6772.&&$$

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Huge, flat snowflakes falling from the sky right now...up to quarter sized.

Even after all that rain, I still have a solid 2-3 inches covering my yard....but a few bare spots around trees.

This is where my "southern" location hurts me. We had the same amount on the ground several days ago, if not more here; now its just lots of piles and a few patches. When temps arent an issue, I do as good if not better than the rest of SE MI. If they are an issue, I suck lol. So many piles actually make it look whiter than it should lol, as in areas unaffected by piles Id say its 80% grass.

Still a cold rain here, but Im LOVING upstream reports and also liking the latest ruc/gfs.

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This is where my "southern" location hurts me. We had the same amount on the ground several days ago, if not more here; now its just lots of piles and a few patches. When temps arent an issue, I do as good if not better than the rest of SE MI. If they are an issue, I suck lol. So many piles actually make it look whiter than it should lol, as in areas unaffected by piles Id say its 80% grass.

Still a cold rain here, but Im LOVING upstream reports and also liking the latest ruc/gfs.

Scratch that. Sleet and snow now :)

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Still snowing hard...and its sticking to the ground now as well.

The season of over producers (and one under-producer :whistle:) continues in SEMI. Very few model runs were showing anything more then a trace up here in Oakland County.

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Dewpoint higher than temp? Supersaturation! :arrowhead:

post-257-0-76033900-1299363541.jpg

Looks like an ENVCA plotting fail. FOr whatever reason the SPECI obs are not reporting DPT so ENVCA must be reverting to the previous ob or something.

CYYZ 052225Z 29004KT 3/4SM R15L/P6000FT/D R23/P6000FT/D -RA BR BKN010 OVC022 07/ RMK FG4SF2SC2 RVR 24R P6000 D

CYYZ 052215Z 26004KT 1 1/4SM -RA BR OVC009 07/ RMK FG4SF4

CYYZ 052200Z 22003KT 1 1/2SM -RA BR SCT007 OVC012 07/07 A2986 RMK FG2SF2SC4 SLP116

CYYZ 052100Z 22006KT 2 1/2SM -DZ BR SCT007 OVC011 08/07 A2986 RMK FG2SF2SC4 CIG RAG SLP117

CYYZ 052044Z 22006KT 2 1/2SM -DZ BR SCT007 OVC011 08/ RMK FG2SF2SC4 CIG RAG

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WOW. Its been snowing, what 20 minutes? And everythings all white again! So far storm total precip thru 520pm is 1.13", snow 0.2", and snow ongoing!

This is the 3rd 1"+ qpf event in the last 2 weeks:

Feb 20/21: P- 1.13", S- 10.2"

Feb 27/28: P- 1.08", S- 0 (Depth went from 9" to 5")

Mar 4/5: P- 1.13", S- 0.2" storm ongoing...

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Looks like an ENVCA plotting fail. FOr whatever reason the SPECI obs are not reporting DPT so ENVCA must be reverting to the previous ob or something.

CYYZ 052225Z 29004KT 3/4SM R15L/P6000FT/D R23/P6000FT/D -RA BR BKN010 OVC022 07/ RMK FG4SF2SC2 RVR 24R P6000 D

CYYZ 052215Z 26004KT 1 1/4SM -RA BR OVC009 07/ RMK FG4SF4

CYYZ 052200Z 22003KT 1 1/2SM -RA BR SCT007 OVC012 07/07 A2986 RMK FG2SF2SC4 SLP116

CYYZ 052100Z 22006KT 2 1/2SM -DZ BR SCT007 OVC011 08/07 A2986 RMK FG2SF2SC4 CIG RAG SLP117

CYYZ 052044Z 22006KT 2 1/2SM -DZ BR SCT007 OVC011 08/ RMK FG2SF2SC4 CIG RAG

Maybe the instrument's malfunctioning? In any case, another interesting graphic to throw in the pile.

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Kind of a Lame Light / Moderate snow here..Trying to pile up but just cant seem to really stay around..Been snowing for an hour and a half. Not riding the "over producing" train.

imag0160s.jpg

Nice pic. Was your yard still more than half snowcovered before the rain turned to snow? Looks like it to me. Wayne/Oakland county must have been the transition zone, as said tons of piles here kept that half-white/half-bare look in most residential spots, but old pure snowcover was probably like 10-20% before changeover.

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