Severe Storms OK & KS 4/14/11. South 4/15/11. EC 4/16/2011

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AnnularCane
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Re: Severe Storms OK & KS 4/14/11. South 4/15/11. EC 4/16/2011

#321 Postby AnnularCane » Sat Apr 16, 2011 3:14 pm

btangy wrote:Tornado is right over downtown Raleigh. Circulation is very evident on radar with >100 knots of horizontal shear. Tornado appears to be rain-wrapped on WRAL, but hard to see what's going on. Very very dangerous situation!



I was just looking at the Raleigh SkyCam. It's completely black! Earlier there was a very blurred skyline, but I can't even see that anymore. All I can see is the raindrops on the lens.
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Re: Severe Storms OK & KS 4/14/11. South 4/15/11. EC 4/16/2011

#322 Postby CrazyC83 » Sat Apr 16, 2011 3:15 pm

TORNADO EMERGENCY #7 FOR THE OUTBREAK AND #2 TODAY - Linden, NC

WWUS52 KRAH 162008
SVSRAH

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
408 PM EDT SAT APR 16 2011

NCC051-085-163-162030-
/O.CON.KRAH.TO.W.0021.000000T0000Z-110416T2030Z/
CUMBERLAND NC-SAMPSON NC-HARNETT NC-
408 PM EDT SAT APR 16 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 430 PM EDT FOR EAST
CENTRAL HARNETT...NORTHWESTERN SAMPSON AND NORTH CENTRAL CUMBERLAND
COUNTIES...

AT 403 PM EDT...LOCAL LAW ENFORCEMENT REPORTED A TORNADO. THIS
TORNADO WAS LOCATED NEAR LINDEN...OR 11 MILES NORTHEAST OF
FAYETTEVILLE...MOVING NORTHEAST AT 50 MPH.

HAZARDS IN THE WARNING INCLUDE...
A TORNADO.
OTHER DAMAGING WINDS IN EXCESS OF 60 MPH.

THIS IS A TORNADO EMERGENCY FOR LINDEN AND GODWIN.

THIS IS AN EXTREMELY DANGEROUS AND LIFE THREATENING SITUATION. TAKE
COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY
BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER. IF NO SHELTER IS
AVAILABLE LIE DOWN IN A LOW LYING AREA. PROTECT YOURSELF FROM FLYING
DEBRIS.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM EDT SATURDAY EVENING
FOR CENTRAL NORTH CAROLINA.

LAT...LON 3526 7889 3540 7860 3535 7856 3534 7854
3532 7854 3526 7849 3525 7841 3524 7840
3509 7877
TIME...MOT...LOC 2008Z 235DEG 41KT 3524 7875

$$

VINCENT




875
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#323 Postby CrazyC83 » Sat Apr 16, 2011 3:15 pm

NWS Raleigh back in operation. Blacksburg did a great job with this though!
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Re: Severe Storms OK & KS 4/14/11. South 4/15/11. EC 4/16/2011

#324 Postby GCANE » Sat Apr 16, 2011 3:19 pm

EVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON NC
400 PM EDT SAT APR 16 2011

NCC017-155-162015-
/O.CON.KILM.TO.W.0003.000000T0000Z-110416T2015Z/
BLADEN NC-ROBESON NC-
400 PM EDT SAT APR 16 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 415 PM EDT FOR EASTERN
ROBESON AND NORTHWESTERN BLADEN COUNTIES...

AT 355 PM EDT...LOCAL LAW ENFORCEMENT REPORTED A TORNADO. THIS
TORNADO WAS LOCATED NEAR BARKER TEN MILE...OR 7 MILES NORTH OF
LUMBERTON...MOVING NORTHEAST AT 60 MPH.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
TOLARSVILLE...EMERSON...TOBERMORY...TAR HEEL...DUART...WHITE OAK...
RUSKIN...JEROME AND AMMON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING
GOLF BALL SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM EDT SATURDAY EVENING
FOR SOUTHEAST NORTH CAROLINA AND NORTHEAST SOUTH CAROLINA.

&&

PLEASE REPORT HAIL...DOWNED TREES OR DAMAGING WINDS TO THE NATIONAL
WEATHER SERVICE IN WILMINGTON NC...TOLL FREE AT 877-633-6772...WHEN
YOU CAN DO SO SAFELY.

LAT...LON 3450 7901 3459 7911 3475 7922 3492 7898
3489 7893 3483 7891 3485 7881 3485 7852
3486 7850 3483 7846 3481 7846
TIME...MOT...LOC 2000Z 241DEG 54KT 3477 7893

$$

REK
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#325 Postby psyclone » Sat Apr 16, 2011 3:20 pm

looks like a big tornado near Dunn ripping northeast
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Re: Severe Storms OK & KS 4/14/11. South 4/15/11. EC 4/16/2011

#326 Postby CrazyC83 » Sat Apr 16, 2011 3:23 pm

WFUS52 KRAH 162015
TORRAH
NCC085-101-163-162100-
/O.NEW.KRAH.TO.W.0024.110416T2015Z-110416T2100Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE RALEIGH NC
415 PM EDT SAT APR 16 2011

THE NATIONAL WEATHER SERVICE IN RALEIGH HAS ISSUED A

* TORNADO WARNING FOR...
EXTREME NORTHWESTERN SAMPSON COUNTY IN CENTRAL NORTH CAROLINA
EAST CENTRAL HARNETT COUNTY IN CENTRAL NORTH CAROLINA
JOHNSTON COUNTY IN CENTRAL NORTH CAROLINA

* UNTIL 500 PM EDT

* AT 412 PM EDT...LOCAL LAW ENFORCEMENT REPORTED A TORNADO 11 MILES
WEST OF SPIVEY'S CORNER...OR 10 MILES SOUTHEAST OF LILLINGTON...
MOVING NORTHEAST AT 45 MPH.

* LOCATIONS IMPACTED INCLUDE...
BENSON...
FOUR OAKS...
SMITHFIELD...
SELMA...PINE LEVEL...
MICRO...

* THIS IS A TORNADO EMERGENCY FOR...
BENSON...
FOUR OAKS...
SMITHFIELD...
SELMA...PINE LEVEL...
MICRO...


PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS AN EXTREMELY DANGEROUS AND LIFE THREATENING SITUATION! TAKE
COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY
BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER. IF NO SHELTER IS
AVAILABLE LIE DOWN IN A LOW LYING AREA. PROTECT YOURSELF FROM FLYING
DEBRIS.

PLEASE REPORT SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE BY
CALLING...1...8 7 7...6 3 3...6 7 7 2 OR NOTIFY YOUR LOCAL LAW
ENFORCEMENT AGENCY.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM EDT SATURDAY EVENING
FOR CENTRAL NORTH CAROLINA.

&&

LAT...LON 3547 7812 3524 7856 3537 7865 3574 7823
3573 7821 3572 7820 3572 7818 3571 7816
3567 7816 3560 7813 3559 7810 3556 7808
TIME...MOT...LOC 2014Z 232DEG 41KT 3528 7869

$$

VINCENT
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#327 Postby CrazyC83 » Sat Apr 16, 2011 3:23 pm

Report from the flattened shopping area: Over 70 people missing at the Lowe's store alone.
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Re: Severe Storms OK & KS 4/14/11. South 4/15/11. EC 4/16/2011

#328 Postby CrazyC83 » Sat Apr 16, 2011 3:28 pm

Extremely dangerous cell now near Benson as well. 2 monster twisters right now. This is March 28, 1984 all over again.

WWUS52 KRAH 162025
SVSRAH

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
425 PM EDT SAT APR 16 2011

NCC085-101-163-162100-
/O.CON.KRAH.TO.W.0024.000000T0000Z-110416T2100Z/
SAMPSON NC-HARNETT NC-JOHNSTON NC-
425 PM EDT SAT APR 16 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 500 PM EDT FOR
JOHNSTON...EAST CENTRAL HARNETT AND EXTREME NORTHWESTERN SAMPSON
COUNTIES...

AT 422 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
A DESTRUCTIVE TORNADO.
THIS TORNADO WAS LOCATED NEAR BENSON...OR 13
MILES EAST OF LILLINGTON...MOVING NORTHEAST AT 45 MPH.

HAZARDS IN THE WARNING INCLUDE...
A TORNADO.
OTHER DAMAGING WINDS IN EXCESS OF 75 MPH.

THIS IS A TORNADO EMERGENCY FOR...FOUR OAKS...SMITHFIELD...
SELMA...PINE LEVEL...PRINCETON...MICRO AND KENLY.


THIS IS AN EXTREMELY DANGEROUS AND LIFE THREATENING SITUATION! TAKE
COVER IMMEDIATELY. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER. IF NO SHELTER IS
AVAILABLE LIE DOWN IN A LOW LYING AREA. PROTECT YOURSELF FROM FLYING
DEBRIS.

WHEN IT IS SAFE TO DO SO...PLEASE CALL IN YOUR REPORTS OF PENNY OR
LARGER SIZED HAIL...AS WELL AS WIND DAMAGE...INCLUDING TREES OR LARGE
LIMBS DOWNED BY CALLING THE NATIONAL WEATHER SERVICE TOLL FREE AT...
1...8 7 7...6 3 3...6 7 7 2.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM EDT SATURDAY EVENING
FOR CENTRAL NORTH CAROLINA.

LAT...LON 3547 7812 3524 7856 3537 7865 3574 7823
3573 7821 3572 7820 3572 7818 3571 7816
3567 7816 3560 7813 3559 7810 3556 7808
TIME...MOT...LOC 2024Z 232DEG 41KT 3535 7858

$$

VINCENT
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Re: Severe Storms OK & KS 4/14/11. South 4/15/11. EC 4/16/2011

#329 Postby CrazyC83 » Sat Apr 16, 2011 3:33 pm

MESOSCALE DISCUSSION 0459
NWS STORM PREDICTION CENTER NORMAN OK
0329 PM CDT SAT APR 16 2011

AREAS AFFECTED...NRN VA / MUCH OF MD / E WV PANHANDLE / FAR SRN PA

CONCERNING...SEVERE POTENTIAL...TORNADO WATCH LIKELY 151...

VALID 162029Z - 162100Z

ISOLD TORNADO THREAT CONTINUES ACROSS MUCH OF NRN VA/MD AND THE ERN
WV PANHANDLE. A TORNADO RISK MAY ALSO EXTEND NWD INTO FAR SRN
PA...LIKELY REQUIRING A WW WITHIN THE HOUR.

THE AIRMASS IS CONTINUING TO DESTABILIZE ACROSS THE MID-ATLANTIC AND
PORTIONS OF THE HIGHER TERRAIN OF THE CNTRL APPALACHIANS. SINGLE
SITE RADAR IMAGERY SHOWS ROTATING STORMS OVER THE SWRN HALF OF THE
DISCUSSION AREA AND GIVEN THE DEGREE OF FORCING AND PROBABLE AIRMASS
RECOVERY ALONG THE MASON-DIXON LINE...WILL LIKELY NECESSITATE A NEW
WW TO THE N OF THE EXISTING TORNADO WATCH. VERY STRONG WIND PROFILE
IN PLACE ACROSS THE REGION /REFERENCE KLWX VAD DATA---50 KTS 0-1 KM
SHEAR/ WILL SUPPORT THE POTENTIAL FOR ISOLD TORNADO/S INTO THE EARLY
EVENING HOURS.

..SMITH.. 04/16/2011


ATTN...WFO...PHI...AKQ...CTP...LWX...

LAT...LON 38287958 39727887 39937825 40087724 40187643 40127576
39917565 39507586 37987600 38217742 38167838 38287958
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Re: Severe Storms OK & KS 4/14/11. South 4/15/11. EC 4/16/2011

#330 Postby CrazyC83 » Sat Apr 16, 2011 3:35 pm

I-95 corridor getting pounded right now. I'd be scared of the vehicles there, it is a busy highway.

CC101-162100-
/O.CON.KRAH.TO.W.0024.000000T0000Z-110416T2100Z/
JOHNSTON NC-
434 PM EDT SAT APR 16 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 500 PM EDT FOR JOHNSTON
COUNTY...

AT 431 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR AND EMERGENCY
OFFICIALS WERE TRACKING A DESTRUCTIVE AND EXTREMELY DANGEROUS TORNADO
WITH VISIBLE DEBRIS
. THIS TORNADO WAS LOCATED NEAR FOUR OAKS...OR 10
MILES SOUTHWEST OF SMITHFIELD...MOVING NORTHEAST AT 50 MPH.

HAZARDS IN THE WARNING INCLUDE...
A TORNADO.
OTHER DESTRUCTIVE WINDS IN EXCESS OF 75 MPH.

THIS IS A TORNADO EMERGENCY FOR...SELMA...PINE LEVEL...SMITHFIELD...
PRINCETON...MICRO AND KENLY.


THIS IS AN EXTREMELY DANGEROUS AND LIFE THREATENING SITUATION! TAKE
COVER IMMEDIATELY. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER. IF NO SHELTER IS
AVAILABLE LIE DOWN IN A LOW LYING AREA. PROTECT YOURSELF FROM FLYING
DEBRIS.

REPEATING...THIS IS A TORNADO EMERGENCY FOR...SELMA...PINE
LEVEL...SMITHFIELD... PRINCETON...MICRO AND KENLY.

WHEN IT IS SAFE TO DO SO...PLEASE CALL IN YOUR REPORTS OF PENNY OR
LARGER SIZED HAIL...AS WELL AS WIND DAMAGE...INCLUDING TREES OR LARGE
LIMBS DOWNED BY CALLING THE NATIONAL WEATHER SERVICE TOLL FREE AT...
1...8 7 7...6 3 3...6 7 7 2.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM EDT SATURDAY EVENING
FOR CENTRAL NORTH CAROLINA.
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#331 Postby CrazyC83 » Sat Apr 16, 2011 3:43 pm

New watch coming out north of 151.
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Re: Severe Storms OK & KS 4/14/11. South 4/15/11. EC 4/16/2011

#332 Postby CrazyC83 » Sat Apr 16, 2011 3:45 pm

TORNADO EMERGENCY #8 (#3 TODAY) - farther south

WWUS52 KRAH 162036
SVSRAH

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
436 PM EDT SAT APR 16 2011

NCC051-163-162100-
/O.CON.KRAH.TO.W.0026.000000T0000Z-110416T2100Z/
CUMBERLAND NC-SAMPSON NC-
436 PM EDT SAT APR 16 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 500 PM EDT FOR SAMPSON
AND SOUTHEASTERN CUMBERLAND COUNTIES...

AT 431 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
A DESTRUCTIVE AND EXTREMELY DANGEROUS TORNADO.
THIS TORNADO WAS
LOCATED 7 MILES SOUTHWEST OF ROSEBORO...OR 17 MILES SOUTHWEST OF
CLINTON...MOVING NORTHEAST AT 50 MPH.

HAZARDS IN THE WARNING INCLUDE...
A TORNADO.
OTHER DESTRUCTIVE WINDS IN EXCESS OF 75 MPH.

THIS IS A TORNADO EMERGENCY FOR...SALEMBURG...CLINTON...TURKEY AND
HOBBTON.


THIS IS AN EXTREMELY DANGEROUS AND LIFE THREATENING SITUATION! TAKE
COVER IMMEDIATELY. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER. IF NO SHELTER IS
AVAILABLE LIE DOWN IN A LOW LYING AREA. PROTECT YOURSELF FROM FLYING
DEBRIS.

REPEATING...THIS IS A TORNADO EMERGENCY FOR...SALEMBURG...CLINTON...
TURKEY AND HOBBTON.

WHEN IT IS SAFE TO DO SO...PLEASE CALL IN YOUR REPORTS OF PENNY OR
LARGER SIZED HAIL...AS WELL AS WIND DAMAGE...INCLUDING TREES OR LARGE
LIMBS DOWNED BY CALLING THE NATIONAL WEATHER SERVICE TOLL FREE AT...
1...8 7 7...6 3 3...6 7 7 2.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM EDT SATURDAY EVENING
FOR CENTRAL NORTH CAROLINA.

LAT...LON 3480 7845 3485 7849 3484 7852 3487 7865
3490 7869 3494 7870 3526 7829 3522 7825
3519 7817 3510 7817 3507 7815 3497 7814
3488 7815
TIME...MOT...LOC 2036Z 238DEG 43KT 3491 7852

$$

VINCENT
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Re: Severe Storms OK & KS 4/14/11. South 4/15/11. EC 4/16/2011

#333 Postby CrazyC83 » Sat Apr 16, 2011 3:46 pm

Tornado picture as it approached Raleigh, spreading on Twitter:

Image
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Re: Severe Storms OK & KS 4/14/11. South 4/15/11. EC 4/16/2011

#334 Postby CrazyC83 » Sat Apr 16, 2011 3:48 pm

Not much yet, but rapidly organizing. Could be TE #9 soon.

NCC017-047-155-162115-
/O.CON.KILM.TO.W.0004.000000T0000Z-110416T2115Z/
COLUMBUS NC-BLADEN NC-ROBESON NC-
436 PM EDT SAT APR 16 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 515 PM EDT FOR SOUTHERN
ROBESON...WESTERN BLADEN AND NORTHWESTERN COLUMBUS COUNTIES...

AT 433 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO. THIS TORNADO WAS LOCATED NEAR BARNESVILLE...OR
15 MILES SOUTH OF LUMBERTON...MOVING NORTHEAST AT 50 MPH.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
PROCTORVILLE...CERRO GORDO...ORRUM...BOARDMAN...EVERGREEN...
CHADBOURN...HESTERTOWN...HOWELLSVILLE...SMITHS...BLADENBORO...
ABBOTTSBURG...CLARKTON...TAR HEEL...DUBLIN AND ELKTON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING
GOLF BALL SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM EDT SATURDAY EVENING
FOR SOUTHEAST NORTH CAROLINA AND NORTHEAST SOUTH CAROLINA.

&&

PLEASE REPORT HAIL...DOWNED TREES OR DAMAGING WINDS TO THE NATIONAL
WEATHER SERVICE IN WILMINGTON NC...TOLL FREE AT 877-633-6772...WHEN
YOU CAN DO SO SAFELY.

LAT...LON 3426 7901 3450 7930 3479 7877 3440 7852
TIME...MOT...LOC 2035Z 242DEG 42KT 3444 7907

$$

REK
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Re: Severe Storms OK & KS 4/14/11. South 4/15/11. EC 4/16/2011

#335 Postby btangy » Sat Apr 16, 2011 3:48 pm

Tremendous SR Helicity with sufficient low-level buoyancy will continue to promote long-track, strong tornadoes. The two cells near I-95 in NC have the most potential to cause destruction as they track NE. Shorter lived tornadoes are possible further N in Virginia where the helicity is even higher, but there isn't as much instability.

Image
Last edited by btangy on Sat Apr 16, 2011 3:49 pm, edited 1 time in total.
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#336 Postby CrazyC83 » Sat Apr 16, 2011 3:48 pm

SEL2

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 152
NWS STORM PREDICTION CENTER NORMAN OK
440 PM EDT SAT APR 16 2011

THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF

DELAWARE
EASTERN MARYLAND
SOUTHWEST NEW JERSEY
SOUTHERN PENNSYLVANIA
COASTAL WATERS

EFFECTIVE THIS SATURDAY AFTERNOON AND EVENING FROM 440 PM UNTIL
1100 PM EDT.

TORNADOES...HAIL TO 0.5 INCH IN DIAMETER...THUNDERSTORM WIND
GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE
AREAS.

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 35 STATUTE
MILES NORTH AND SOUTH OF A LINE FROM 30 MILES WEST OF ALTOONA
PENNSYLVANIA TO 55 MILES EAST OF HARRISBURG PENNSYLVANIA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
UPDATE (WOUS64 KWNS WOU2).

REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH
AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR
THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS
AND POSSIBLE WARNINGS.

OTHER WATCH INFORMATION...CONTINUE...WW 150...WW 151...

DISCUSSION...STRONG PRESSURE FALLS OCCURRING OVER ERN PA/NJ ARE
INDICATIVE OF INTENSE LOW-LEVEL WAA AND THE NEWD PROGRESSION OF
SURFACE LOW CURRENTLY ANALYZED OVER WRN VA /N OF ROA/. WHILE
AMBIENT AIR MASS IS EXPECTED TO REMAIN ONLY MARGINALLY
UNSTABLE...THE PRESENCE OF STRONG LARGE-SCALE FORCING FOR ASCENT AND
EXTREME VERTICAL SHEAR INDICATE A RISK FOR BOWING AND/OR SUPERCELL
STRUCTURES CAPABLE OF DAMAGING WIND GUSTS AND A COUPLE TORNADOES.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 0.5 INCH. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
300. MEAN STORM MOTION VECTOR 20045.


...MEAD
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Re: Severe Storms OK & KS 4/14/11. South 4/15/11. EC 4/16/2011

#337 Postby CrazyC83 » Sat Apr 16, 2011 3:52 pm

btangy wrote:Tremendous SR Helicity with sufficient low-level buoyancy will continue to promote long-track, strong tornadoes. The two cells near I-95 in NC have the most potential to cause destruction as they track NE. Shorter lived tornadoes are possible further N in Virginia where the helicity is even higher, but there isn't as much instability.

Image


Agreed, violent to extremely catastrophic tornadoes will still be possible in eastern North Carolina and southeast Virginia. Those dynamics are capable of EF5 tornadoes.

Numerous brief tornadoes are definitely possible up closer to the DC-Baltimore area. I'd say a new watch with probs of like 70/20 is warranted there (numerous tornadoes but low probability of intense tornadoes).
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Re: Severe Storms OK & KS 4/14/11. South 4/15/11. EC 4/16/2011

#338 Postby btangy » Sat Apr 16, 2011 3:55 pm

THE NATIONAL WEATHER SERVICE IN RALEIGH HAS ISSUED A

* TORNADO WARNING FOR...
NORTHEASTERN JOHNSTON COUNTY IN CENTRAL NORTH CAROLINA
WILSON COUNTY IN CENTRAL NORTH CAROLINA
SOUTHWESTERN NASH COUNTY IN CENTRAL NORTH CAROLINA

* UNTIL 545 PM EDT

* AT 449 PM EDT...EMERGENCY OFFICIALS REPORTED A DESTRUCTIVE AND
EXTREMELY DANGEROUS TORNADO WITH VISIBLE DEBRIS OVER SELMA...OR
OVER SMITHFIELD
...MOVING NORTHEAST AT 40 MPH. DESTRUCTIVE
STRAIGHT LINE WINDS IN EXCESS OF 70 MPH ARE ALSO LIKELY WITH
THIS STORM.

* THIS IS A TORNADO EMERGENCY FOR...
MICRO...
KENLY...
LUCAMA...
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CrazyC83
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Re: Severe Storms OK & KS 4/14/11. South 4/15/11. EC 4/16/2011

#339 Postby CrazyC83 » Sat Apr 16, 2011 3:56 pm

MESOSCALE DISCUSSION 0460
NWS STORM PREDICTION CENTER NORMAN OK
0349 PM CDT SAT APR 16 2011

AREAS AFFECTED...PORTIONS S-CENTRAL/SERN VA...CENTRAL/ERN NC...ERN
SC.

CONCERNING...TORNADO WATCH 150...

VALID 162049Z - 162215Z

THE SEVERE WEATHER THREAT FOR TORNADO WATCH 150 CONTINUES.

BKN BAND OF SVR CONVECTION...INCLUDING A FEW CYCLIC/LONG-TRACKED
SUPERCELLS WITH HISTORY OF DESTRUCTIVE TORNADOES
...IS MOVING NEWD
ACROSS WW IN SRN VA AND CENTRAL-ERN NC. CONDITIONS REMAIN QUITE
FAVORABLE FOR TORNADIC SUPERCELLS TO PERSIST EWD ACROSS COASTAL
PLAIN TO TIDEWATER...CONTINUING ONGOING REGIME OF
DAMAGING/SIGNIFICANT TORNADO POTENTIAL FOR A FEW MORE HOURS AT
LEAST.


SFC ANALYSIS INDICATES WARM FRONT LIFTING NWD ACROSS CENTRAL AND
SERN VA...WHICH WILL LEAVE ENTIRE WW IN SFC-BASED EFFECTIVE INFLOW
SHORTLY. STG PRESSURE FALLS CONTINUE AHEAD OF PRIMARY TSTM
CORRIDOR...ARE HELPING TO MAINTAIN RELATIVELY BACKED SFC
WINDS...ENLARGED LOW-LEVEL HODOGRAPHS AND FAVORABLE STORM-RELATIVE
INFLOW. ALTHOUGH RDU VWP HAS BEEN AFFECTED BY GUST FRONT FROM
EARLIER TORNADIC SUPERCELL IN THAT AREA...PRE-STORM
PROFILE...INTERPOLATED WITH VWP AT AKQ...APPEAR TO REPRESENT
KINEMATIC ENVIRONMENT WELL OVER NERN NC AND SERN VA. THOSE
DATA...ALONG WITH MODIFIED RUC SOUNDINGS...INDICATE 0-1 KM SRH
AROUND 500 J/KG...TRENDING TO AROUND 250-300 J/KG OVER EXTREME ERN
SC...WITH 0-3 KM SRH UP TO 900 J/KG AND 0-1 KM SHEAR MAGNITUDES
35-40 KT IN SERN VA NEAR WARM FRONT. SUCH LOW-LEVEL SHEAR AND SRH
ARE EXTREME FOR ANY AIR MASS WITH SFC-BASED PARCELS...AND ARE
SUPERIMPOSED ON 50-60 KT EFFECTIVE SHEAR MAGNITUDES. MLCAPE WILL
RANGE FROM AROUND 500 J/KG OVER SERN VA TO NEAR 1500 J/KG OVER SERN
NC AND ERN SC THROUGH 23Z.

..EDWARDS.. 04/16/2011


ATTN...WFO...AKQ...MHX...LWX...RAH...ILM...CHS...CAE...

LAT...LON 33418028 35167890 36867810 38067767 37987648 37487610
36967597 36307580 35717547 35357549 35157553 35207567
35017608 34657650 34507650 34627661 34627709 34237775
33677800 33897806 33727884 33177922 32807982 32438044
32148100 32608114 33418028
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Brent
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Re: Severe Storms OK & KS 4/14/11. South 4/15/11. EC 4/16/2011

#340 Postby Brent » Sat Apr 16, 2011 3:56 pm

The Lowe's in Sanford, NC

Image

God knows how many people were in that place on a Saturday...
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#neversummer


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