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Warm season 2014 thunderstorm thread


famartin

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Real curious to know how slippery driving on hail is

My guess is very slippery judging by the Mercedes 4Matic I saw at school. Thats capable a car as I seen go in the snow and it was sliding every which way when coming down a small hill a low speed. The physics of hail allow it to float on top of standing rain water and it lacks the cohesion that snow has, due to snows dendrites which hold flakes together.

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Just found my anemometer cups off my VP2 remote from the roof on my front lawn - must have blown off during peak of the storms yesterday.

Total rain yesterday 0.91"

We are way above normal for rainfall here in NW Chesco for both the month 3.66" (+0.76") and YTD 27.46" (+10.13") - farmers in the township are very happy!

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Does anyone know if there was evidence of a funnel cloud in southwest Delaware County with yesterday's storm (say around 39.51 N and 75.31 W)?

The main part of the storm passed by to the east of where I'm located, it seemed to be moving roughly NNW to SSE at the time, and winds here gusted to probably 40 mph out of the ENE. But with all the noise from the wind and rain, there was a deeper low roar/rumble sound, off to the east, and I could hear a couple of transformers blow and some trees breaking from that direction. The sound was constant for a couple of minutes.

I experienced a (documented) funnel cloud before, and the one thing I remember (besides the damage to the trees), was that sound. I took a drive over there earlier, and there is some tree damage. Lots of leaves gone too, although that's probably from the hail.

All in all one of those thunderstorms you remember.

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My guess is very slippery judging by the Mercedes 4Matic I saw at school. Thats capable a car as I seen go in the snow and it was sliding every which way when coming down a small hill a low speed. The physics of hail allow it to float on top of standing rain water and it lacks the cohesion that snow has, due to snows dendrites which hold flakes together.

Yeah sleet is like bb's so hail most be like driving on roller pins

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Does anyone happen to have any Radar recordings of today's Reading Area storm? Thats one to keep for future generations.

 

Some of the pics of the hail accumulations/damage in this thread are nuts.. wow.

 

Here's my saved GR2Analyst shot of the storm right over Reading yesterday via CCX radar. Reflectivity top left (70+ DBZ), estimated hail size derived from the VIL products top right (max of 3.26" in that particular frame).  Bottom left is the CC product which shows the hail core and also shows a downstream shadow in CC values likely from the radar beam being affected by the large hail, and lastly echo tops which I just used as a filler for the fourth panel (in excess of 45k feet). 

 

post-1507-0-89814300-1400881771_thumb.pn

 

I think what's really something about the off the charts values of the VIL products is that CCX was hitting this storm at about 12k feet and up since it is quite far away. Of course DIX was down and LWX had a similar beam height. It's already a pain tracking storms in east central PA as radar coverage gets stretched pretty thin between BGM, CCX, and LWX radars. 

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Some of the pics of the hail accumulations/damage in this thread are nuts.. wow.

 

Here's my saved GR2Analyst shot of the storm right over Reading yesterday via CCX radar. Reflectivity top left (70+ DBZ), estimated hail size derived from the VIL products top right (max of 3.26" in that particular frame).  Bottom left is the CC product which shows the hail core and also shows a downstream shadow in CC values likely from the radar beam being affected by the large hail, and lastly echo tops which I just used as a filler for the fourth panel (in excess of 45k feet). 

 

attachicon.gifpost-1507-0-35602800-1400787527.png

 

I think what's really something about the off the charts values of the VIL products is that CCX was hitting this storm at about 12k feet and up since it is quite far away. Of course DIX was down and LWX had a similar beam height. It's already a pain tracking storms in east central PA as radar coverage gets stretched pretty thin between BGM, CCX, and LWX radars. 

Thank you for that information. Does all radar information get archived some place?

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PNS for the tornado in DE. 

 

..TORNADO CONFIRMED NEAR MARYDEL IN KENT COUNTY DELAWARE...

LOCATION...MARYDEL IN KENT COUNTY DELAWARE
DATE...05/22/2014
ESTIMATED TIME...449PM EDT
MAXIMUM EF-SCALE RATING...EF1
ESTIMATED MAXIMUM WIND SPEED...105 MPH
MAXIMUM PATH WIDTH...50 YARDS
PATH LENGTH...0.35 MILES
BEGINNING LAT/LON...39.098N/-75.667W
ENDING LAT/LON...39.096N/-75.661W
FATALITIES...0
INJURIES...2

THE INFORMATION IN THIS STATEMENT IS PRELIMINARY AND SUBJECT TO
CHANGE PENDING FINAL REVIEW OF THE EVENT(S) AND PUBLICATION IN NWS
STORM DATA.

...SUMMARY...
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS CONFIRMED A
TORNADO NEAR MARYDEL IN KENT COUNTY DELAWARE ON 05/22/2014.

AN EF1 TORNADO OCCURRED THURSDAY AFTERNOON MAY 22, 2014 IN
MARYDEL DELAWARE...EMBEDDED WITHIN A SWATH OF STRONG STRAIGHT LINE
WINDS. MAXIMUM WIND SPEED IS ESTIMATED TO BE 105 MPH AT ITS STRONGEST
POINT. INITIAL TOUCHDOWN WAS 449PM AND IT WAS LAST ON THE GROUND
AT 451PM.

THIS INFORMATION CAN ALSO BE FOUND ON OUR WEBSITE AT
WEATHER.GOV/PHI.

FOR REFERENCE...THE ENHANCED FUJITA SCALE CLASSIFIES TORNADOES
INTO THE FOLLOWING CATEGORIES:

EF0...WIND SPEEDS 65 TO 85 MPH.
EF1...WIND SPEEDS 86 TO 110 MPH.
EF2...WIND SPEEDS 111 TO 135 MPH.
EF3...WIND SPEEDS 136 TO 165 MPH.
EF4...WIND SPEEDS 166 TO 200 MPH.
EF5...WIND SPEEDS GREATER THAN 200 MPH.

WE HAVE RESEARCHED CLIMATOLOGICAL INFORMATION ON TORNADOES IN
DELAWARE AND THE FOLLOWING ARE SOME STATISTICS.

A REVIEW OF THE NATIONAL CLIMATIC DATABASE BACK TO 1950 FOR THE
STATE OF DELAWARE REVEALS THAT THERE HAVE BEEN 48 DAYS OF TORNADO
OCCURRENCES (64 YEARS INTO 2014). ONLY 2 DEATHS HAVE OCCURRED AND
THOSE WERE ON JULY 21 1983. THERE HAVE BEEN 74 INJURIES.

OF THOSE 48 TORNADO DAYS IN THE 64 YEAR REVIEW PERIOD...ONLY 12
OF THOSE DAYS HAD RECORDED INJURIES.

THERE HAS BEEN 1 TORNADO PER YEAR THE LAST 4 YEARS.

YESTERDAYS (5/22/14) MARYDEL. (EF1)
2013 COOCH IN NEW CASTLE COUNTY ON JUNE 10 EF0
2012 WYOMING IN KENT COUNTY ON SEPTEMBER 3 EF0
2011 NASSAU IN SUSSEX COUNTY AUGUST 27 EF1

THEN WE HAVE TO GO BACK TO SEPTEMBER 28 2004 AT THE WILMINGTON
AIRPORT WHERE AN F2 WAS DOCUMENTED.

SO, NO TORNADOES WERE DOCUMENTED IN DELAWARE BETWEEN 2005 AND
2010.

THE STRONGEST TORNADO REFERENCED IN THE STORM DATABASE SINCE 1950
WAS AN F3 ON APRIL 28 1961

THE LAST TIME THERE WERE INJURIES IN DELAWARE DUE TO A TORNADO
OCCURRENCE WAS JULY 27 1994 WHEN 4 WERE INJURED IN FARMINGTON OF
KENT COUNTY. THREE TORNADOES OCCURRED THAT DAY IN KENT COUNTY DELAWARE.

STORM PREDICTION CENTER STATISTICAL ANALYSIS FOR AREA COVERING
SOUTHEASTERN PENNSYLVANIA...SOUTHERN NEW JERSEY...DELAWARE AND
EASTERN MARYLAND BETWEEN 2003 AND 2011 INDICATES TORNADO
OCCURRENCE IS MOST COMMON IN JULY WITH THE PREPONDERANCE OF EVENTS
FROM MID AFTERNOON INTO EARLY EVENING (3 PM TO 8 PM EDT).


$

JM/MWG/JB

CORRECTED WIDTH TO YARDS AND ADDED CLIMATOLOGY

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545

NWUS51 KPHI 232037

LSRPHI

PRELIMINARY LOCAL STORM REPORT...SUMMARY

NATIONAL WEATHER SERVICE MOUNT HOLLY NJ

436 PM EDT FRI MAY 23 2014

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...

..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....

..REMARKS..

0245 PM HAIL CHRISTMANS 40.97N 75.64W

05/22/2014 M1.00 INCH CARBON PA TRAINED SPOTTER

0258 PM HAIL BELTZVILLE 40.84N 75.64W

05/22/2014 M0.75 INCH CARBON PA TRAINED SPOTTER

HAIL COVERED THE GROUND.

0310 PM HAIL READING 40.33N 75.93W

05/22/2014 M0.75 INCH BERKS PA TRAINED SPOTTER

0310 PM HAIL READING 40.33N 75.93W

05/22/2014 M1.50 INCH BERKS PA COCORAHS

0310 PM HAIL READING 40.33N 75.93W

05/22/2014 M1.00 INCH BERKS PA PUBLIC

0312 PM HAIL READING 40.33N 75.93W

05/22/2014 M1.75 INCH BERKS PA SOCIAL MEDIA

0314 PM HAIL EXETER TWP 40.31N 75.84W

05/22/2014 M1.00 INCH BERKS PA TRAINED SPOTTER

0315 PM HAIL SAINT LAWRENCE 40.33N 75.86W

05/22/2014 M0.75 INCH BERKS PA TRAINED SPOTTER

0345 PM HAIL ALLENTOWN 40.59N 75.48W

05/22/2014 M1.00 INCH LEHIGH PA TRAINED SPOTTER

AND WIND GUSTS EST. 50 MPH.

0345 PM HAIL HAMBURG 40.56N 75.98W

05/22/2014 M0.88 INCH BERKS PA TRAINED SPOTTER

LASTED 10 MINS.

0345 PM HAIL ALLENTOWN 40.59N 75.48W

05/22/2014 E1.00 INCH LEHIGH PA SOCIAL MEDIA

AT U.S. ROUTE 222 AND SCHOENERSVILLE ROAD IN ALLENTOWN.

0349 PM TSTM WND GST ALLENTOWN AIRPORT 40.65N 75.44W

05/22/2014 M59 MPH LEHIGH PA ASOS

0401 PM HAIL EXTON 40.03N 75.63W

05/22/2014 M1.25 INCH CHESTER PA TRAINED SPOTTER

0413 PM HAIL WEST CHESTER 39.96N 75.61W

05/22/2014 M1.50 INCH CHESTER PA TRAINED SPOTTER

0420 PM HAIL 2 SE EXTON 40.01N 75.60W

05/22/2014 M1.00 INCH CHESTER PA TRAINED SPOTTER

COVERING THE GROUND

0420 PM HAIL WYOMISSING 40.33N 75.95W

05/22/2014 E1.75 INCH BERKS PA SOCIAL MEDIA

HAIL BROKE WINDOWS AT THE BERKSHIRE MALL.

0428 PM TSTM WND DMG CRUMPTON 39.24N 75.92W

05/22/2014 QUEEN ANNE`S MD EMERGENCY MNGR

LARGE TREE DOWN IN YARD

0428 PM TSTM WND DMG CRUMPTON 39.24N 75.92W

05/22/2014 QUEEN ANNE`S MD EMERGENCY MNGR

NUMEROUS LIMBS AND TREES DOWN BETWEEN 301 AND CRUMPTON

0428 PM TSTM WND DMG SUDLERSVILLE 39.19N 75.86W

05/22/2014 QUEEN ANNE`S MD EMERGENCY MNGR

LIMBS DOWN PERRYS CORNER ROAD

0430 PM TSTM WND DMG MILLINGTON 39.26N 75.84W

05/22/2014 KENT MD SOCIAL MEDIA

3 INCH DIAMTER BRANCHES DOWN AROUND TOWN.

0432 PM HAIL CLAYMONT 39.80N 75.46W

05/22/2014 M1.50 INCH NEW CASTLE DE TRAINED SPOTTER

0432 PM TSTM WND DMG SUDLERSVILLE 39.19N 75.86W

05/22/2014 QUEEN ANNE`S MD EMERGENCY MNGR

NMRS LIMBS7TREES DOWN... TREETOPS SNAPPED 8-9FT.

0432 PM TSTM WND DMG SUDLERSVILLE 39.19N 75.86W

05/22/2014 QUEEN ANNE`S MD EMERGENCY MNGR

MD 300. LIMBS AND POWER LINES DOWN.

0435 PM HAIL TALLEYVILLE 39.81N 75.55W

05/22/2014 M1.00 INCH NEW CASTLE DE TRAINED SPOTTER

AND STRONG WIND GUSTS. NO WIND DAMAGE.

0441 PM FUNNEL CLOUD HARTLY 39.17N 75.71W

05/22/2014 KENT DE EMERGENCY MNGR

0441 PM TSTM WND DMG TEMPLEVILLE 39.13N 75.77W

05/22/2014 CAROLINE MD EMERGENCY MNGR

LARGE LIMBS AND TREES DOWN

0445 PM HAIL 3 SW SWEDESBORO 39.72N 75.35W

05/22/2014 M1.75 INCH GLOUCESTER NJ TRAINED SPOTTER

0448 PM HAIL UPPER CHICHESTER TWP 39.84N 75.44W

05/22/2014 M1.25 INCH DELAWARE PA SOCIAL MEDIA

0449 PM TORNADO MARYDEL 39.11N 75.74W

05/22/2014 KENT DE NWS STORM SURVEY

*** 2 INJ *** EF1 LENGTH .35 MI... WIDTH .03 MI... EST

MAX SPEED 105 MPH AT ITS STRONGEST POINT.

0450 PM HAIL MULLICA HILL 39.74N 75.22W

05/22/2014 M0.75 INCH GLOUCESTER NJ TRAINED SPOTTER

ON ROAD

0454 PM TSTM WND DMG HAZLETTVILLE 39.12N 75.64W

05/22/2014 KENT DE EMERGENCY MNGR

NUMEROUS DOWNED POLES

0500 PM HAIL 1 NW WOODSTOWN 39.66N 75.34W

05/22/2014 M1.00 INCH SALEM NJ COCORAHS

0500 PM TSTM WND DMG CAMDEN 39.11N 75.55W

05/22/2014 KENT DE TRAINED SPOTTER

MOBILE HOMES DAMAGED

0500 PM HAIL LIONVILLE 40.05N 75.66W

05/22/2014 M1.00 INCH CHESTER PA SOCIAL MEDIA

0500 PM TSTM WND DMG MILLINGTON 39.26N 75.84W

05/22/2014 KENT MD EMERGENCY MNGR

WIRES DOWN AND TREE BRANCHES REPORTED DOWN AROUND

MILLINGTON AREA

0502 PM HAIL EXTON 40.03N 75.63W

05/22/2014 M0.75 INCH CHESTER PA TRAINED SPOTTER

0505 PM HAIL WEST GOSHEN 39.97N 75.57W

05/22/2014 E1.50 INCH CHESTER PA SOCIAL MEDIA

0510 PM HAIL PERRYVILLE 39.57N 76.07W

05/22/2014 M0.75 INCH CECIL MD TRAINED SPOTTER

0510 PM TSTM WND GST TILGHMAN ISLAND 38.71N 76.34W

05/22/2014 M67 MPH TALBOT MD MESONET

0510 PM TSTM WND DMG CHEYNEY 39.93N 75.52W

05/22/2014 DELAWARE PA SOCIAL MEDIA

TREE DOWN.

0514 PM HAIL GLEN MILLS 39.92N 75.49W

05/22/2014 M1.50 INCH DELAWARE PA TRAINED SPOTTER

0525 PM HAIL GARNET VALLEY 39.83N 75.45W

05/22/2014 M1.50 INCH DELAWARE PA TRAINED SPOTTER

0526 PM HAIL WOODRUFF 39.47N 75.19W

05/22/2014 M1.75 INCH CUMBERLAND NJ TRAINED SPOTTER

0530 PM HAIL GARNET VALLEY 39.84N 75.45W

05/22/2014 M0.75 INCH DELAWARE PA TRAINED SPOTTER

0530 PM HAIL UPPER DEERFIELD TWP 39.48N 75.21W

05/22/2014 M1.50 INCH CUMBERLAND NJ COCORAHS

0530 PM HAIL 5 NE FAIRFIELD TWP 39.41N 75.22W

05/22/2014 M1.50 INCH CUMBERLAND NJ COCORAHS

0533 PM HAIL ROSENHAYN 39.48N 75.14W

05/22/2014 E1.00 INCH CUMBERLAND NJ SHIP

HAIL COVERED THE ROADWAYS.

0540 PM HAIL 1 SSW MIDDLETOWN 39.44N 75.72W

05/22/2014 M0.70 INCH NEW CASTLE DE DEOS

0545 PM TSTM WND DMG GEORGETOWN 38.69N 75.39W

05/22/2014 SUSSEX DE TRAINED SPOTTER

TREES DOWN

0548 PM HAIL MILLVILLE 39.39N 75.05W

05/22/2014 E1.75 INCH CUMBERLAND NJ SOCIAL MEDIA

BROKEN WINDSHIELDS OF CARS.

0554 PM HAIL MILLVILLE 39.39N 75.05W

05/22/2014 M1.00 INCH CUMBERLAND NJ TRAINED SPOTTER

0554 PM TSTM WND GST MILLVILLE AIRPORT 39.37N 75.07W

05/22/2014 M55 MPH CUMBERLAND NJ ASOS

0944 PM HAIL BLAIRSTOWN 40.98N 74.96W

05/22/2014 M0.50 INCH WARREN NJ TRAINED SPOTTER

&&

EVENT NUMBER PHI1400195 PHI1400196 PHI1400197 PHI1400203 PHI1400205

PHI1400200 PHI1400199 PHI1400198 PHI1400201 PHI1400206 PHI1400224

PHI1400202 PHI1400204 PHI1400207 PHI1400208 PHI1400225 PHI1400241

PHI1400242 PHI1400243 PHI1400240 PHI1400209 PHI1400244 PHI1400245

PHI1400210 PHI1400212 PHI1400246 PHI1400214 PHI1400226 PHI1400247

PHI1400211 PHI1400215 PHI1400227 PHI1400228 PHI1400229 PHI1400239

PHI1400213 PHI1400230 PHI1400221 PHI1400222 PHI1400231 PHI1400216

PHI1400232 PHI1400217 PHI1400218 PHI1400219 PHI1400233 PHI1400234

PHI1400235 PHI1400238 PHI1400236 PHI1400220 PHI1400223 PHI1400237

$$

STAFF

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