Severe Thunderstorm Warning 22, NWS State College, PA

792 
WWUS51 KCTP 242106
SVSCTP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
506 PM EDT WED APR 24 2013

PAC009-242115-
/O.CAN.KCTP.SV.W.0022.000000T0000Z-130424T2130Z/
BEDFORD PA-
506 PM EDT WED APR 24 2013

...THE SEVERE THUNDERSTORM WARNING FOR BEDFORD COUNTY IS CANCELLED...

THE STORM THAT PROMPTED THE SEVERE THUNDERSTORM WARNING HAS MOVED OUT
OF THE AREA...THEREFORE THE SEVERE THUNDERSTORM WARNING HAS BEEN
CANCELLED.

PLEASE REPORT HAIL...STRONG WINDS OR WIND DAMAGE TO THE NATIONAL
WEATHER SERVICE IN STATE COLLEGE THROUGH TWITTER OR FACEBOOK.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL MIDNIGHT EDT
THURSDAY MORNING FOR CENTRAL PENNSYLVANIA.

LAT...LON 3992 7819 4101 7769 4111 7721 4107 7716
      4108 7700 4110 7697 4115 7696 4114 7690
      4108 7686 4095 7688 4089 7682 4084 7682
      4078 7686 4070 7686 4056 7701 4016 7714
TIME...MOT...LOC 2105Z 252DEG 48KT 4104 7738 4071 7757
          4039 7773 4002 7790

$$

PAC027-035-041-055-057-061-067-087-099-109-119-242130-
/O.CON.KCTP.SV.W.0022.000000T0000Z-130424T2130Z/
CUMBERLAND PA-FRANKLIN PA-FULTON PA-HUNTINGDON PA-JUNIATA PA-
MIFFLIN PA-PERRY PA-SNYDER PA-UNION PA-CENTRE PA-CLINTON PA-
506 PM EDT WED APR 24 2013

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM EDT
FOR CLINTON...CENTRE...UNION...SNYDER...PERRY...MIFFLIN...JUNIATA...
HUNTINGDON...FULTON...FRANKLIN AND CUMBERLAND COUNTIES...

AT 500 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING
WINDS IN EXCESS OF 60 MPH. THESE STORMS WERE LOCATED ALONG A LINE
EXTENDING FROM LAMAR TO REEDSVILLE TO NEWTON HAMILTON TO SIDELING
HILL REST AREA...MOVING EAST AT 55 MPH.

SEVERE THUNDERSTORMS WILL BE NEAR...
LOGANTON AND  REEDS GAP STATE PARK AROUND 510 PM EDT...
CARROLL AND  BELLTOWN AROUND 515 PM EDT...
MCCALL DAM STATE PARK AND  WEIKERT AROUND 520 PM EDT...
SAND BRIDGE STATE PARK AND  HARTLETON AROUND 525 PM EDT...
BEAVERTOWN AND ICKESBURG AROUND 530 PM EDT...

OTHER LOCATIONS IN THE WARNING INCLUDE TUSSEY MOUNTAIN SKI AREA...
BUCKNELL AND PENN STATE DICKINSON SCHOOL OF LAW.

THIS WILL IMPACT THE FOLLOWING CENTRAL PENNSYLVANIA INTERSTATES...THE
PENNSYLVANIA TURNPIKE BETWEEN MILE MARKERS 169 AND 228...I-80 BETWEEN
MILE MARKERS 161 AND 210...I-81 BETWEEN MILE MARKERS 35 AND 52...I-99
NEAR MILE MARKER 82.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

PLEASE REPORT HAIL...STRONG WINDS OR WIND DAMAGE TO THE NATIONAL
WEATHER SERVICE IN STATE COLLEGE THROUGH TWITTER OR FACEBOOK.

&&

LAT...LON 3992 7819 4101 7769 4111 7721 4107 7716
      4108 7700 4110 7697 4115 7696 4114 7690
      4108 7686 4095 7688 4089 7682 4084 7682
      4078 7686 4070 7686 4056 7701 4016 7714
TIME...MOT...LOC 2105Z 252DEG 48KT 4104 7738 4071 7757
          4039 7773 4002 7790

$$

FORECASTER: LAMBERT/GRUMM

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE STATE COLLEGE PA
408 PM EDT WED APR 24 2013

.SYNOPSIS...
A COLD FRONT WILL BRING A PERIOD OF SHOWERS AND THUNDERSTORMS TO
THE AREA FOR THE REMAINDER OF THE AFTERNOON AND EVENING. BEHIND
THIS FRONT TEMPERATURES WILL QUICKLY FALL WITH GUSTY NORTHWEST
WINDS. THURSDAY WILL BE COOL WITH SCATTERED RAIN AND A FEW SNOW
SHOWERS OVER THE NORTHWEST MOUNTAINS. DRY WEATHER WITH A SLOW
WARMING TREND WILL BEGIN ON FRIDAY AND CONTINUE THROUGH THE
WEEKEND.

&&

.NEAR TERM /UNTIL 6 AM THURSDAY MORNING/...
AREA OF SHOWERS AND THUNDERSTORMS HAVE ENTERED WARREN AND MCKEAN
COUNTIES. THIS BAND WILL MOVE INTO THE REST OF THE WESTERN CWA BY
20Z AND PUSH EASTWARD THIS AFTERNOON AND EVENING. NOT MUCH CHANGE
TO THE FORECAST AS WHILE CONDITIONS FOR STRONG THUNDERSTORMS ARE NOT
PERFECT...THERE WILL BE ENOUGH INSTABILITY FOR THE POTENTIAL OF
THUNDERSTORMS PRODUCING BRIEF HEAVY DOWNPOURS AND STRONG GUSTY
WINDS AS THEY MOVE EAST. THIS IS ALONG AND AHEAD OF A STRONG COLD
FRONT WITH STRONG TEMPERATURE FALLS BEHIND IT. LOOK FOR
TEMPERATURES TO QUICKLY DROP INTO THE 40S LATER THIS EVENING FROM
WEST TO EAST.

&&

.SHORT TERM /6 AM THURSDAY MORNING THROUGH 6 PM THURSDAY/...
POST FRONTAL NORTHWEST WINDS AND CAA WILL MAKE FOR A COOL DAY WITH
BELOW AVERAGE TEMPERATURES ACROSS THE REGION. SHOWERS WILL FORM
ACROSS THE NW MOUNTAINS IN THE AFTERNOON AND THE HIGHER ELEVATIONS
WILL SEE GRAUPEL OR SNOW FALL WITH SOME OF THE HEAVIER CELLS.

&&

.LONG TERM /THURSDAY NIGHT THROUGH WEDNESDAY/...
BROAD CYCLONIC FLOW OVER MUCH OF NORTH AMERICA WILL BEGIN TRANSITIONING
INTO A ZONAL FLOW PATTERN AT THE START OF THE LONG TERM PERIOD. THE
UPPER FLOW PATTERN IS THEN FORECAST TO BEGIN RE-AMPLIFYING BY LATE
IN THE WEEKEND WITH A LONGWAVE RIDGE BUILDING ALONG THE
APPALACHIANS...DOWNSTREAM OF UPPER TROFFING DEVELOPING ALONG THE
NORTHERN AND CENTRAL ROCKIES.

THIS UPPER FLOW PATTERN WILL SUPPORT AN ELONGATED SFC HIGH FROM THE
CANADIAN MARITIMES SOUTHWARD INTO THE CAROLINAS THROUGH THE LONG TERM
PERIOD. THIS WILL PROVIDE NEAR TO SLIGHTLY BELOW NORMAL TEMPS
...DEPENDING ON DAILY CLOUD COVER....AND NEAR TO SLIGHTLY ABOVE
NORMAL TEMPS ALONG WITH LITTLE TO IF ANY PRECIPITATION THROUGH THE
PERIOD.

&&

.AVIATION /20Z WEDNESDAY THROUGH MONDAY/...
24/18Z...
THE MAIN AVIATION CONCERN FOR THIS TAF PACKAGE WILL BE A COLD
FRONT CROSSING CENTRAL PA LATE THIS AFTN INTO THIS EVE. A BAND OF
SHOWERS AND EMBEDDED TSTMS WILL PROGRESSES EASTWARD ALONG THE
ADVANCING COLD FRONT...EVOLVING INTO LOW-TOPPED CONVECTIVE LINE AND
POSING A THREAT FOR STRONG WIND GUSTS AS IT CROSSES THE AREA. HI-
RES MODEL DATA IN GOOD AGREEMENT IN SHOWING CONVECTION ENTERING
CENTRAL PA THIS AFTN AND EXITING THE SUSQ VALLEY AFTER 00Z THIS
EVE. EXPECT MVFR TO LOCALIZED IFR VSBYS IN SHRA/ISOLD TSRA...WITH
LOW-END VFR TO MVFR CIGS.

NORTHWESTERLY FLOW DEVELOPS BEHIND THE FRONT TONIGHT AND
CONTINUES INTO THURSDAY. EXPECT MVFR CIGS TO LINGER ACRS WRN TAF
SITES /BFD AND JST/...WITH VFR CONDS PREVAILING E OF THE
ALLEGHENY FRONT.

A STRETCH OF RELATIVELY QUIET WEATHER IS EXPECTED FOR THE END OF
THE WEEK INTO THIS WEEKEND.

.OUTLOOK...

THU...SCT -SHRA/MVFR CIGS WEST. VFR ELSEWHERE.
FRI-SAT...GENERALLY VFR. NO SIG WX.
SUN-MON...GENERALLY VFR. ISOLD -SHRA PSBL.

&&

.CTP WATCHES/WARNINGS/ADVISORIES...
NONE.

&&

SYNOPSIS...ROSS
NEAR TERM...ROSS
SHORT TERM...ROSS
LONG TERM...DEVOIR/GARTNER
AVIATION...EVANEGO

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE STATE COLLEGE PA
209 PM EDT WED APR 24 2013

PAZ004>006-010>012-017>019-024>028-033>037-041-042-045-046-049>053-
056>059-063>066-251815-
WARREN-MCKEAN-POTTER-ELK-CAMERON-NORTHERN CLINTON-CLEARFIELD-
NORTHERN CENTRE-SOUTHERN CENTRE-CAMBRIA-BLAIR-HUNTINGDON-MIFFLIN-
JUNIATA-SOMERSET-BEDFORD-FULTON-FRANKLIN-TIOGA-NORTHERN LYCOMING-
SULLIVAN-SOUTHERN CLINTON-SOUTHERN LYCOMING-UNION-SNYDER-MONTOUR-
NORTHUMBERLAND-COLUMBIA-PERRY-DAUPHIN-SCHUYLKILL-LEBANON-CUMBERLAND-
ADAMS-YORK-LANCASTER-
209 PM EDT WED APR 24 2013

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL PENNSYLVANIA.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

A LINE OF SHOWERS AND THUNDERSTORMS MAY PRODUCE STRONG TO LOCALLY
DAMAGING WINDS THIS AFTERNOON AND EVENING.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
326 PM EDT WED APR 24 2013

PAZ017-024-025-033-034-242015-
BEDFORD PA-BLAIR PA-CAMBRIA PA-CLEARFIELD PA-SOMERSET PA-
326 PM EDT WED APR 24 2013

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT CAMBRIA...NORTHERN
SOMERSET...NORTHWESTERN BEDFORD...SOUTHERN CLEARFIELD AND WESTERN
BLAIR COUNTIES THROUGH 415 PM EDT...

AT 320 PM EDT...A LINE OF STRONG THUNDERSTORMS WAS LOCATED FROM
BURNSIDE TO VINTONDALE TO LAUREL MOUNTAIN TO 8 MILES NORTHEAST OF
OHIOPYLE...MOVING NORTHEAST AT AROUND 60 MPH.

WIND GUSTS TO 50 MPH ARE POSSIBLE WITH THESE STORMS. A 15 TO 20
MINUTE PERIOD OF VERY HEAVY RAIN WILL FALL FROM THESE STORMS...AND
WILL CAUSE WATER TO POND ON ROADS AND FILL POOR DRAINAGE AREAS.

OTHER NOTABLE LOCATIONS AFFECTED INCLUDE DELGROSSO'S AMUSEMENT
PARK...FLIGHT 93 NATIONAL MEMORIAL...ALLEGHENY PORTAGE RAILROAD
NATIONAL HISTORIC SITE...JOHNSTOWN FLOOD NATIONAL MEMORIAL HISTORIC
SITE...BLUE KNOB SKI RESORT...SAINT FRANCIS UNIVERSITY...MT. ALOYSIUS
COLLEGE...UNIVERSITY OF PITTSBURGH - JOHNSTOWN AND PENN STATE
ALTOONA.

THIS WILL IMPACT THE FOLLOWING CENTRAL PENNSYLVANIA INTERSTATES...THE
PENNSYLVANIA TURNPIKE BETWEEN MILE MARKERS 100 AND 114...I-80 BETWEEN
MILE MARKERS 124 AND 132...I-99 BETWEEN MILE MARKERS 28 AND 44.

LAT...LON 3985 7942 4007 7928 4013 7918 4030 7905
      4041 7883 4085 7876 4109 7817 4092 7818
      4083 7831 4073 7837 4074 7819 4047 7841
      4015 7855

FORECASTER: LAMBERT

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
354 PM EDT WED APR 24 2013

PAZ026-033>035-242045-
BEDFORD PA-FULTON PA-HUNTINGDON PA-SOMERSET PA-
354 PM EDT WED APR 24 2013

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT BEDFORD...FULTON...
SOUTHEASTERN SOMERSET AND SOUTHWESTERN HUNTINGDON COUNTIES...

AT 352 PM EDT...A LINE OF STRONG THUNDERSTORMS WAS LOCATED FROM
OGLETOWN TO FROSTBURG...MOVING NORTHEAST AT 60 MPH.

WIND GUSTS TO 50 MPH ARE POSSIBLE WITH THESE STORMS. THESE STORMS
WILL AFFECT SCHELLSBURG...RAINSBURG...WOODBURY...WELLS TANNERY AND
SALUVIA.

THIS WILL IMPACT THE FOLLOWING CENTRAL PENNSYLVANIA INTERSTATES...THE
PENNSYLVANIA TURNPIKE BETWEEN MILE MARKERS 113 AND 176...I-70 BETWEEN
MILE MARKERS 147 AND 170...I-99 BETWEEN MILE MARKERS 0 AND 10.

THIS WILL ALSO IMPACT THE FOLLOWING MAJOR ROADS...ROUTE 30...ROUTE
219...ROUTE 220...ROUTE 522.

LAT...LON 3972 7903 4000 7905 4026 7832 4025 7829
      4028 7827 4035 7796 3977 7805 3972 7810

FORECASTER: EVANEGO

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
403 PM EDT WED APR 24 2013

PAZ012-017>019-024>027-033-034-045-242100-
BEDFORD PA-BLAIR PA-CAMBRIA PA-CLEARFIELD PA-HUNTINGDON PA-MIFFLIN
PA-NORTHERN CENTRE PA-NORTHERN CLINTON PA-SOMERSET PA-SOUTHERN
CENTRE PA-SOUTHERN CLINTON PA-
403 PM EDT WED APR 24 2013

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT BLAIR...CENTRE...
CLINTON...EASTERN CLEARFIELD...NORTH CENTRAL BEDFORD...NORTHEASTERN
SOMERSET...NORTHERN HUNTINGDON...SOUTHEASTERN CAMBRIA AND WESTERN
MIFFLIN COUNTIES THROUGH 5 PM EDT...

AT 357 PM EDT...A LINE OF STRONG THUNDERSTORMS WAS LOCATED FROM
LECONTES MILLS TO RAMEY TO CASSANDRA TO CENTRAL CITY...MOVING
NORTHEAST AT 55 MPH.

WIND GUSTS TO 50 MPH FROM THE WEST OR SOUTHWEST ARE POSSIBLE WITH
THESE STORMS. A 15 TO 20 MINUTE PERIOD OF VERY HEAVY RAIN WILL FALL
FROM THESE STORMS...AND WILL CAUSE WATER TO POND ON ROADS AND FILL
POOR DRAINAGE AREAS. THESE STORMS WILL AFFECT SANDY
RIDGE...KEATING...RENOVO...STATE COLLEGE...ZION AND LAMAR.

OTHER NOTABLE LOCATIONS AFFECTED INCLUDE DELGROSSO'S AMUSEMENT
PARK...LAKEMONT PARK AND ISLAND WATERPARK...PENNSYLVANIA MILITARY
MUSEUM...ALLEGHENY PORTAGE RAILROAD NATIONAL HISTORIC SITE...TUSSEY
MOUNTAIN SKI AREA...BLUE KNOB SKI RESORT...PENNSYLVANIA STATE
UNIVERSITY...LOCK HAVEN UNIVERSITY...JUNIATA COLLEGE AND PENN STATE
ALTOONA.

THIS WILL IMPACT THE FOLLOWING CENTRAL PENNSYLVANIA INTERSTATES...
I-80 BETWEEN MILE MARKERS 126 AND 183...I-99 BETWEEN MILE MARKERS 10
AND 85.

THIS WILL ALSO IMPACT THE FOLLOWING MAJOR ROADS...ROUTE 22...ROUTE
22/522...ROUTE 220...ALTERNATE ROUTE 220...ROUTE 322...ROUTE 522...
STATE ROAD 26...STATE ROAD 45...STATE ROAD 120...STATE ROAD 350...
STATE ROAD 453.

LAT...LON 4009 7879 4032 7870 4077 7830 4115 7830
      4141 7758 4138 7753 4137 7754 4133 7747
      4129 7745 4123 7737 4122 7733 4114 7725
      4087 7750 4040 7778

FORECASTER: LAMBERT

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
427 PM EDT WED APR 24 2013

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0344 PM     TSTM WND DMG     JOHNSTOWN               40.33N  78.92W
04/24/2013                   CAMBRIA            PA   911 CALL CENTER

            WIRES REPORTED DOWN IN THE CITY OF JOHNSTOWN.

&&

EVENT NUMBER CTP1300045

EVANEGO