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Possible Severe Threat on November 30th 2010


northpittweather

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MESOSCALE DISCUSSION 2104

NWS STORM PREDICTION CENTER NORMAN OK

1141 PM CST TUE NOV 30 2010

AREAS AFFECTED...PARTS OF THE NORTH CAROLINA AND VIRGINIA PIEDMONT

CONCERNING...TORNADO WATCH 760...

VALID 010541Z - 010745Z

THE SEVERE WEATHER THREAT FOR TORNADO WATCH 760 CONTINUES.

TRENDS ARE BEING MONITORED FOR AN INCREASING SEVERE THREAT AND THE

POSSIBILITY OF A NEW WW...WHICH MAY BE NEEDED NORTH OF WW 60..ACROSS

CENTRAL VIRGINIA...WITHIN THE NEXT HOUR OR TWO.

AS AN UPSTREAM SHORT WAVE IMPULSE BEGINS TO TAKE ON MORE OF A

NEGATIVE TILT AND LIFT NORTHEAST OF THE LOWER MISSISSIPPI

VALLEY...SURFACE PRESSURE FALLS HAVE BEEN STEADILY INCREASING TO THE

LEE OF THE BLUE RIDGE DURING THE PAST COUPLE OF HOURS. THIS HAS

BEEN MOST PRONOUNCED ALONG AN AXIS FROM NEAR CHARLOTTE NC...NORTH

NORTHEASTWARD THROUGH THE DANVILLE AND CHARLOTTESVILLE AREAS...WHERE

THE RISK FOR SEVERE WEATHER COULD INCREASE DURING THE 06-09Z TIME

FRAME. BOUNDARY LAYER MOISTURE CHARACTERIZED BY MID 60S SURFACE DEW

POINTS HAS BEEN GRADUALLY RETURNING TO THE WARM SECTOR OF THE

DEVELOPING SURFACE LOW...AND WEAK MID-LEVEL COOLING COULD BEGIN TO

CONTRIBUTE TO AT LEAST SOME STEEPENING OF LAPSE RATES AND FURTHER

DESTABILIZATION. THIS MAY BE ENOUGH TO SUPPORT INTENSIFYING

CONVECTIVE DEVELOPMENT. IN THE PRESENCE OF STRONG LOW-LEVEL FLOW

FIELDS AND SHEAR NEAR A 50-70 KT SOUTHERLY 850 MB JET...THE RISK FOR

ORGANIZED STORM STRUCTURES...INCLUDING SUPERCELLS...WILL EXIST WITH

THE POTENTIAL FOR ISOLATED TORNADOES AND DAMAGING WIND GUSTS.

..KERR.. 12/01/2010

ATTN...WFO...AKQ...LWX...RAH...RNK...GSP...

http://www.spc.noaa.gov/products/md/md2104.html

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Blasted? Strong wording from neighborhood pessimist Ian tongue.gif

you think somebody in the DC metro? Or are we talking more down near South central VA?

i'd still lean to our south and southeast.. maybe not far, but it's tough to say what the northern extent of the worst is svr wise. the commute's going to be fun though... should have some flash flood warnings fly at least.

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i'd still lean to our south and southeast.. maybe not far, but it's tough to say what the northern extent of the worst is svr wise. the commute's going to be fun though... should have some flash flood warnings fly at least.

Yeah if nothing else happens there will probably be a water rescue here and there if the rain dumps fast enough.

I'm still hoping to hear the Wxradio go off.

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