Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 97, NWS State College, PA

June 28, 20135 counties in Pennsylvania

NWS State College, PA issued this severe thunderstorm warning at Jun 28, 2013, 1:29 PM EDT for 5 counties in Pennsylvania. It was in force for 61 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Jun 28, 2013, 1:29 PM EDT (17:29 UTC)
Expired
Jun 28, 2013, 2:30 PM EDT
In force
61 min
Issued by
NWS State College, PA
Area
Storm-based polygon

Counties Cameron County, PA, Elk County, PA, McKean County, PA, Potter County, PA, Tioga County, PA

The radar

The State College radar (KCCX), 87 km from the middle of the area, began a volume at 17:30 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

TimeReportWhereRemark
Jun 28, 1:30 PM EDTHAIL 0.75Eldred, PA

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

Did it verify

Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this severe thunderstorm warning while it was in force. That is not proof nothing happened: reports are thin where few people live.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 5.5 hours before the alert went out and 143 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Buffalo Intl Airport, NY at 12:00Z on 2013-06-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 255 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Buffalo Intl Airport, NY at 12:00Z on 2013-06-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -9 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
255 J/kg
Mixed-layer CIN
-14 J/kg
Mixed-layer LCL
520 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
-9 m²/s²
0-3 km storm-relative helicity
16 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

264 
WUUS51 KCTP 281729
SVRCTP
PAC023-047-083-105-117-281830-
/O.NEW.KCTP.SV.W.0097.130628T1729Z-130628T1830Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE STATE COLLEGE PA
129 PM EDT FRI JUN 28 2013

THE NATIONAL WEATHER SERVICE IN STATE COLLEGE PA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN CAMERON COUNTY PENNSYLVANIA...
  NORTHERN ELK COUNTY PENNSYLVANIA...
  EASTERN MCKEAN COUNTY PENNSYLVANIA...
  POTTER COUNTY PENNSYLVANIA...
  NORTHWESTERN TIOGA COUNTY PENNSYLVANIA...

* UNTIL 230 PM EDT

* AT 126 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS. THESE SEVERE STORMS EXTENDED FROM
  PORTVILLE TO NORWICH TO MARIENVILLE...MOVING EAST AT 30 MPH. THESE
  STORMS ARE CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND DAMAGING
  WINDS IN EXCESS OF 60 MPH. 

* LOCATIONS INCLUDED IN THE WARNING...
  JOHNSONBURG...ST. MARYS...CHERRY SPRINGS STATE PARK...CORYVILLE...
  COUDERSPORT...CROSBY...DENTON HILL STATE PARK...EAST BRANCH DAM...
  ELK RIVER...EMPORIUM...GALETON...GENESEE...HARRISON VALLEY...
  KEATING SUMMIT...LYMAN RUN STATE PARK...PORT ALLEGANY...ROULETTE...
  SHINGLEHOUSE...SIZERVILLE AND TRUMAN.

OTHER NOTABLE LOCATIONS IN THE WARNING... SKI DENTON SKI AREA.

THIS WILL IMPACT THE FOLLOWING MAJOR ROADS...ROUTE 6...ROUTE 219...
STATE ROAD 66...STATE ROAD 120...STATE ROAD 255...STATE ROAD 446...
STATE ROAD 449.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGE. MOVE INSIDE A PERMANENT BUILDING
NOW TO BE SAFE FROM STRONG WIND GUSTS AND LARGE HAIL.

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

&&

LAT...LON 4168 7757 4142 7842 4146 7897 4156 7896
      4170 7842 4200 7845 4201 7760
TIME...MOT...LOC 1729Z 272DEG 24KT 4202 7832 4170 7829
          4150 7903

$$

FORECASTER:RHG
2 follow-up statements
038 
WWUS51 KCTP 281804
SVSCTP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
204 PM EDT FRI JUN 28 2013

PAC023-047-083-105-117-281830-
/O.CON.KCTP.SV.W.0097.000000T0000Z-130628T1830Z/
CAMERON PA-ELK PA-MCKEAN PA-POTTER PA-TIOGA PA-
204 PM EDT FRI JUN 28 2013

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 230 PM EDT
FOR TIOGA...POTTER...MCKEAN...ELK AND CAMERON COUNTIES...

AT 201 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER
SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THESE STORMS WERE
LOCATED ALONG A LINE EXTENDING FROM 6 MILES NORTH OF OSWAYO TO 6
MILES SOUTH OF COUDERSPORT TO JOHNSONBURG...MOVING EAST AT 30 MPH.

LOCATIONS INCLUDED IN THE WARNING...
WILCOX...EAST BRANCH DAM...WHARTON...SHINGLEHOUSE...ROULETTE...LYMAN
RUN STATE PARK...KEATING SUMMIT...HARRISON VALLEY...GENESEE...
GALETON...DENTON HILL STATE PARK...CHERRY SPRINGS STATE PARK...
TRUMAN...SIZERVILLE...EMPORIUM...ELK RIVER...NORWICH...ULYSSES AND
AUSTIN.

OTHER NOTABLE LOCATIONS IN THE WARNING... SKI DENTON SKI AREA.

THIS WILL IMPACT THE FOLLOWING MAJOR ROADS...ROUTE 6...ROUTE 219...
STATE ROAD 120...STATE ROAD 255...STATE ROAD 449.

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 4146 7890 4156 7880 4177 7821 4199 7825
      4201 7760 4168 7757 4142 7842
TIME...MOT...LOC 1804Z 272DEG 24KT 4201 7801 4169 7798
          4149 7872

$$

FORECASTER:
019 
WWUS51 KCTP 281821
SVSCTP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
221 PM EDT FRI JUN 28 2013

PAC047-083-281831-
/O.CAN.KCTP.SV.W.0097.000000T0000Z-130628T1830Z/
ELK PA-MCKEAN PA-
221 PM EDT FRI JUN 28 2013

...THE SEVERE THUNDERSTORM WARNING FOR MCKEAN AND ELK COUNTIES 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.

LAT...LON 4168 7757 4144 7841 4159 7842 4162 7834
      4162 7821 4167 7820 4172 7807 4199 7796
      4201 7760
TIME...MOT...LOC 1821Z 272DEG 24KT 4200 7786 4168 7783
          4149 7857

$$

PAC023-105-117-281830-
/O.CON.KCTP.SV.W.0097.000000T0000Z-130628T1830Z/
CAMERON PA-POTTER PA-TIOGA PA-
221 PM EDT FRI JUN 28 2013

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 230 PM EDT
FOR TIOGA...POTTER AND CAMERON COUNTIES...

AT 220 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER
SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THESE STORMS WERE
LOCATED ALONG A LINE EXTENDING FROM GENESEE TO CHERRY SPRINGS STATE
PARK TO 11 MILES WEST OF TRUMAN...MOVING EAST AT 30 MPH.

LOCATIONS INCLUDED IN THE WARNING...
LYMAN RUN STATE PARK...HARRISON VALLEY...GALETON...DENTON HILL STATE
PARK...COUDERSPORT...SIZERVILLE...EMPORIUM...ELK RIVER...ULYSSES AND
AUSTIN.

OTHER NOTABLE LOCATIONS IN THE WARNING... SKI DENTON SKI AREA.

THIS WILL IMPACT THE FOLLOWING MAJOR ROADS...ROUTE 6...STATE ROAD
120...STATE ROAD 449.

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 4168 7757 4144 7841 4159 7842 4162 7834
      4162 7821 4167 7820 4172 7807 4199 7796
      4201 7760
TIME...MOT...LOC 1821Z 272DEG 24KT 4200 7786 4168 7783
          4149 7857

$$

FORECASTER:

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS State College, PA wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 28, 11:13 AM EDT, 2 hours 16 minutes earlier.

Area forecast discussion, Jun 28, 11:13 AM EDT, 2 hours 16 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE STATE COLLEGE PA
1113 AM EDT FRI JUN 28 2013

.SYNOPSIS...
AN UNSEASONABLY DEEP TROUGH WILL CARVE OUT OVER THE EASTERN UNITED
STATES FROM THE GREAT LAKES THROUGH THE MID-SOUTH INTO THE WEEKEND.
THIS PATTERN WILL FEATURE SLIGHTLY COOLER TEMPERATURES AND
FREQUENT SHOWERS. THE UNSETTLED WEATHER REGIME WILL PERSIST INTO
THE FIRST WEEK OF JULY AS THE UPPER LEVEL TROUGH AXIS SLOWLY
MIGRATES INTO THE MISSISSIPPI VALLEY...PULLING A DEEP PLUME OF
TROPICAL MOISTURE NORTHWARD ALONG THE EAST COAST.

&&

.NEAR TERM /UNTIL 6 PM THIS EVENING/...
SEVERAL TRIGGERS ROTATING THROUGH THE BROAD UPPER TROF TODAY. BEST
FORCING IS NOW SPREADING SOUTHEASTWARD FROM ONTARIO TOUCHING OFF A
CLUSTER OF SHOWERS AND THUNDERSTORMS WITH BRIEF HEAVY RAINFALL.
WILL WATCH THESE FOR LOCAL STREET FLOODING AND PONDING OF WATER IN
POOR DRAINAGE AREAS...AND HOPE THEY REMAIN NORTH OF YDY/S RAINFALL
MAX OVER NORTHWEST CLEARFIELD COUNTY.

WEAK RIDGING AT THE SURFACE AND ALOFT WILL CONTINUE TO ALLOW FOR
SOME BREAKS IN THE LAYERED STRATO AND ALTOCU CLOUDS INTO THIS
AFTERNOON. DESTABLIZATION IN THE MODERATELY UNSTABLE ENVIRONMENT
WILL SUPPORT LOCALLY HEAVY DOWNPOURS AND WIND GUSTS TO 35 MPH.
STILL...THIS IS AN IMPROVEMENT OVER THU...AS SOUTHERLY LL JET AND
ASSOC PLUME OF AND ASSOC PLUME OF HIGH PWATS PUSHED OFF THE E
COAST OVERNIGHIT. HOWEVER...FORCING NORTH OF 250 MB JET WILL
PRODUCE HIGH CHANCE TO LIKELY POPS THROUGH THIS EVENING OVER
CENTRAL PA...PARTICULARLY THE SOUTHERN HALF OF THE STATE THIS
AFTERNOON AND EVENING.

SPC STILL HAS THE SOUTHERN PART OF THE STATE AND LOWER SUSQ
VALLEY IN THEIR DAY 1 SLIGHT RISK AREA. MORE CONCERNED FROM A
HYDRO STANDPOINT THAN ANYTHING...GIVEN YDY/S RAINFALL. WILL WATCH
MY FAR NORTHWEST CLOSELY LATE THIS MORNING AND EARLY THIS
AFTERNOON AS HEAVY RAIN CLUSTERS MAY EVOLVE FURTHER.

ALTHOUGH COOL TEMPS ALOFT SHOULD PROMOTE PLENTY OF CU/STRATO-CU
TODAY...THERE SHOULD BE ENOUGH BREAKS OF SUNSHINE EAST OF THE
ALLEGHENIES TO PUSH READINGS TO NEAR NORMAL VALUES.

&&

.SHORT TERM /6 PM THIS EVENING THROUGH 6 PM SATURDAY/...
ANOTHER SHORTWAVE ROTATING AROUND BASE OF TROF COULD SUPPORT A FEW
ADDITIONAL SHOWERS TONIGHT. HOWEVER...COVERAGE SHOULD WANE
CONSIDERABLY AS BLYR COOLS/STABILIZES AFTER SUNSET.

PRECIP WATER VALUES WILL DIP BY AROUND 0.50 INCH TONIGHT...AND
PERIODS OF CLEARING WILL ALLOW TEMPS TO COOL OFF NICELY...ESPECIALLY
ACROSS CENTRAL AND NWRN PENN WHERE LOWS EARLY SAT WILL VARY FROM THE
MID 50S TO AROUND 60F. LINGERING...SLIGHTLY HIGHER PWATS ACRS THE
LOWER SUSQ VALLEY WILL KEEP TEMPS FROM FALLING BELOW THE MID 60S.

DAYTIME HIGHS CONTINUE TO TREND DOWNWARD INTO THE WEEKEND WITH HIGH
TEMPS A FEW...TO SEVERAL DEG BELOW NORMAL ACROSS THE CENTRAL AND NW
MTNS GIVEN CLOUDIER SKIES AND AFTERNOON PRECIPITATION.

MAXS ACROSS THE SE HALF OF THE CWA WILL BE NEAR TO SLIGHTLY ABOVE
NORMAL.

THE UNSEASONABLY LOW HEIGHTS WILL COVER THE OHIO VALLEY AND
WESTERN PA ON SATURDAY...A PATTERN FAVORABLE FOR DIURNAL CONVECTION
GIVEN COOL TEMPS ALOFT/STEEP LAPSE RTS. WILL MAINTAIN LIKELY POPS
FOR PM SHRA/TSRA ACROSS THE WESTERN COUNTIES BASED ON LATEST 00Z/03Z
GEFS AND SREF GUIDANCE. ENS MEAN 925MB TEMPS INDICATE SAT WILL BE
ANOTHER WARM DAY ACROSS THE EASTERN HALF OF THE STATE...WHILE
CLOUDS/PRECIP KEEP READINGS COOLER ACROSS THE WEST.

&&

.LONG TERM /SATURDAY NIGHT THROUGH THURSDAY/...
MED RANGE MDL GUIDANCE IN AGREEMENT WITH REGARDS TO THE LARGE SCALE
PATTERN...INDICATING AN ANOMALOUS TROF CENTERED OVR THE E GRT
LKS/OHIO VALLEY ON SUNDAY...THEN A GRADUAL WESTWARD MIGRATION OF
TROF AND W ATLANTIC RIDGE INTO NEXT WEEK. AS THIS RETROGRESSION
TAKES PLACE...SOUTHERLY LL JET AND BAND OF ANOMALOUS PWATS ON
WESTERN PERIPHERY OF W ATLANTIC RIDGE WILL RETURN TO THE
AREA...PROMOTING ABOVE NORMAL RAINFALL FROM DIURNALLY-ENHANCED
CONVECTION SUN-WED.

ALTHOUGH MCLDY SKIES SHOULD CAP DAYTIME TEMPS CLOSE TO SEASONAL
NORMS...THE SOUTHERLY FLOW OF HUMID AIR SHOULD RESULT IN A STRETCH
OF RELATIVELY WARM NIGHTS WITH LOWS IN THE 60S DURING THE EARLY TO
MIDDLE PART OF NEXT WEEK.

&&

.AVIATION /15Z FRIDAY THROUGH TUESDAY/...
CIGS AND VISBY RESTRICTIONS EARLY THIS MORNING WILL TREND TOWARD
VFR BY MID-LATE MORNING. EXPECT SCT SHOWERS AND TSTMS TO INCREASE
IN COVERAGE THRU THE AFTN...WITH SOME STG-SVR STORMS POSSIBLE
ESPECIALLY OVER THE SWRN-SCNTRL AIRFIELDS. THE CONVECTION SHOULD
BE DIURNALLY DRIVEN AND WEAKEN/DISSIPATE WITH THE LOSS OF
HEATING. SOME FOG/STRATUS MAY DEVELOP OVERNIGHT GIVEN LGT WINDS
AND HIGH SFC DEWPOINTS/RESIDUAL BLYR MSTR.

A LARGE UPPER LEVEL TROUGH WILL CARVE OUT OVER THE EASTERN U.S.
INTO THE WEEKEND...BEFORE MIGRATING SLOWLY WESTWARD INTO THE
MIDWEST AND PLAINS DURING THE FIRST WEEK OF JULY. THIS WILL RESULT
IN A PROLONGED PERIOD OF UNSETTLED CONDITIONS WITH DAILY CHANCES
FOR SCT SHOWERS AND THUNDERSTORMS. SOME FOG MAY ALSO BE POSSIBLE
A FEW HOURS EITHER SIDE OF SUNRISE.

OUTLOOK...
SAT-TUE...VFR-MVFR WITH SCT SHOWERS AND TSTMS.

&&

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

&&

SYNOPSIS...DEVOIR/STEINBUGL
NEAR TERM...LAMBERT
SHORT TERM...LAMBERT
LONG TERM...LAMBERT
AVIATION...STEINBUGL
Hazardous weather outlook, Jun 28, 1:12 PM EDT, 17 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE STATE COLLEGE PA
112 PM EDT FRI JUN 28 2013

PAZ004>006-010>012-017>019-037-041-042-045-046-049-291715-
WARREN-MCKEAN-POTTER-ELK-CAMERON-NORTHERN CLINTON-CLEARFIELD-
NORTHERN CENTRE-SOUTHERN CENTRE-TIOGA-NORTHERN LYCOMING-SULLIVAN-
SOUTHERN CLINTON-SOUTHERN LYCOMING-UNION-
112 PM EDT FRI JUN 28 2013

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL PENNSYLVANIA.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

SHOWERS AND SCATTERED STRONG THUNDERSTORMS ARE EXPECTED THIS
AFTERNOON. SOME OF THE STORMS WILL BE ACCOMPANIED BY GUSTY
WINDS...SMALL HAIL...AND LOCALIZED HEAVY RAIN.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY.

SHOWERS AND THUNDERSTORMS ARE EXPECTED THROUGH THE WEEKEND AND
INTO EARLY NEXT WEEK. THIS NEW RAINFALL COULD LEAD TO ADDITIONAL
FLOODING...ESPECIALLY WHERE THUNDERSTORMS TRAIN ACROSS THE SAME
AREA.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

PAZ024>028-033>036-056-063-064-291715-
CAMBRIA-BLAIR-HUNTINGDON-MIFFLIN-JUNIATA-SOMERSET-BEDFORD-FULTON-
FRANKLIN-PERRY-CUMBERLAND-ADAMS-
112 PM EDT FRI JUN 28 2013

...SEVERE THUNDERSTORM WATCH 386 IN EFFECT UNTIL 8 PM EDT THIS
EVENING...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL PENNSYLVANIA.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO
WEATHER.GOV/STATECOLLEGE ON THE INTERNET FOR MORE
INFORMATION ABOUT THE FOLLOWING HAZARDS.

   SEVERE THUNDERSTORM WATCH.

THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS THIS AFTERNOON AND
EVENING. THE MAIN SEVERE WEATHER THREAT WILL COME IN THE FORM OF
LOCALIZED DAMAGING STRAIGHT LINE WINDS AND ISOLATED OCCURRENCES OF
LARGE HAIL.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY.

SHOWERS AND THUNDERSTORMS ARE EXPECTED THROUGH THE WEEKEND AND
INTO EARLY NEXT WEEK. THIS NEW RAINFALL COULD LEAD TO ADDITIONAL
FLOODING...ESPECIALLY WHERE THUNDERSTORMS TRAIN ACROSS THE SAME
AREA.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

PAZ050>053-057>059-065-066-291715-
SNYDER-MONTOUR-NORTHUMBERLAND-COLUMBIA-DAUPHIN-SCHUYLKILL-LEBANON-
YORK-LANCASTER-
112 PM EDT FRI JUN 28 2013

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL PENNSYLVANIA.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS THIS AFTERNOON AND
EVENING. THE MAIN SEVERE WEATHER THREAT WILL COME IN THE FORM OF
LOCALIZED DAMAGING STRAIGHT LINE WINDS AND ISOLATED OCCURRENCES OF
LARGE HAIL.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY.

SHOWERS AND THUNDERSTORMS ARE EXPECTED THROUGH THE WEEKEND AND
INTO EARLY NEXT WEEK. THIS NEW RAINFALL COULD LEAD TO ADDITIONAL
FLOODING...ESPECIALLY WHERE THUNDERSTORMS TRAIN ACROSS THE SAME
AREA.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

In the hours before

Special weather statement, Jun 28, 12:12 PM EDT, 1 hour 17 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
1212 PM EDT FRI JUN 28 2013

PAZ004-281645-
WARREN PA-
1212 PM EDT FRI JUN 28 2013

...A STRONG THUNDERSTORM WILL AFFECT CENTRAL WARREN COUNTY...

AT 1208 PM EDT...A STRONG THUNDERSTORM WAS NEAR TIDIOUTE...MOVING
EAST AT 15 MPH.

WIND GUSTS TO 40 MPH AND SMALL HAIL ARE POSSIBLE WITH THIS STORM.
THIS STORM WILL AFFECT TIDIOUTE.

THIS WILL IMPACT ROUTE 62.

LAT...LON 4184 7918 4164 7920 4170 7950 4177 7950

FORECASTER: DEVOIR
Special weather statement, Jun 28, 12:38 PM EDT, 51 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
1238 PM EDT FRI JUN 28 2013

PAZ004-005-281700-
MCKEAN PA-WARREN PA-
1238 PM EDT FRI JUN 28 2013

...STRONG THUNDERSTORMS WILL AFFECT NORTHEASTERN WARREN AND
NORTHWESTERN MCKEAN COUNTIES...

AN AREA OF STRONG THUNDERSTORMS COVERED PORTIONS OF MCKEAN AND WARREN
COUNTIES AT 1233 PM EDT. THE STRONG THUNDERSTORMS WERE GENERALLY
MOVING EAST AT 10 MPH.

WIND GUSTS TO 40 MPH AND PENNY SIZE HAIL ARE POSSIBLE WITH THESE
STRONG THUNDERSTORMS. VERY HEAVY RAIN WILL FALL FROM THESE STRONG
THUNDERSTORMS...AND WILL CAUSE WATER TO POND ON ROADS AND FILL POOR
DRAINAGE AREAS. THE RAIN WILL CAUSE RAPID RISES ON SMALL STREAMS AND
CREEKS.

THIS WILL IMPACT STATE ROAD 59.

LAT...LON 4200 7891 4200 7873 4186 7868 4184 7906
      4200 7910 4201 7891

FORECASTER: LA CORTE
Local storm report, Jun 28, 12:58 PM EDT, 31 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE STATE COLLEGE PA
1258 PM EDT FRI JUN 28 2013

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

1140 AM     FLASH FLOOD      3 SW DUBOIS             41.09N  78.80W
06/27/2013                   CLEARFIELD         PA   911 CALL CENTER

            RT. 119 CLOSED

1140 AM     FLASH FLOOD      2 SW DUBOIS             41.10N  78.78W
06/27/2013                   CLEARFIELD         PA   911 CALL CENTER

            SMALL STREAMS OUT OF BANKS... ROADWAYS FLOODED FROM
            TROUTVILLE TO DUBOIS

1154 AM     FLASH FLOOD      2 NE TROUTVILLE         41.05N  78.76W
06/27/2013                   CLEARFIELD         PA   EMERGENCY MNGR

            FIRST FLOOR FLOODING

1154 AM     FLASH FLOOD      2 NE TROUTVILLE         41.05N  78.76W
06/27/2013                   CLEARFIELD         PA   EMERGENCY MNGR

            INTERSECTION OF 219 AND 322 FLOODED

1205 PM     FLASH FLOOD      1 S DUBOIS              41.11N  78.76W
06/27/2013                   CLEARFIELD         PA   911 CALL CENTER

            CUMMINGS ROAD CLOSED

1210 PM     FLASH FLOOD      DUBOIS                  41.12N  78.76W
06/27/2013                   CLEARFIELD         PA   911 CALL CENTER

            CAR STUCK IN ROAD... MAIN STREET CLOSED

1245 PM     FLASH FLOOD      DUBOIS                  41.12N  78.76W
06/27/2013                   CLEARFIELD         PA   EMERGENCY MNGR

            MULTIPLE RESCUES IN SANDY TOWNSHIP

1245 PM     FLASH FLOOD      DUBOIS                  41.12N  78.76W
06/27/2013                   CLEARFIELD         PA   EMERGENCY MNGR

            RT. 255 BY DUBOIS MALL HAS 3 FT OF WATER ON ROADWAY

1250 PM     FLASH FLOOD      DUBOIS                  41.12N  78.76W
06/27/2013                   CLEARFIELD         PA   SOCIAL MEDIA

            PARTS OF RT. 119 INTO DUBOIS WASHED OUT

0132 PM     FLASH FLOOD      FERNDALE                40.29N  78.92W
06/27/2013                   CAMBRIA            PA   911 CALL CENTER

            FLOODED BASEMENT AND FLOODED ROADWAY

0230 PM     FLASH FLOOD      DUBOIS                  41.12N  78.76W
06/27/2013                   CLEARFIELD         PA   EMERGENCY MNGR

            ALL ROADS IN AND OUT OF DUBOIS ARE IMPASSABLE. 4 FT OF
            WATER ON ROAD BY DUBOIS MALL.

0230 PM     FLASH FLOOD      TREASURE LAKE           41.17N  78.72W
06/27/2013                   CLEARFIELD         PA   EMERGENCY MNGR

            ROADWAY FLOODING

0240 PM     TSTM WND DMG     BLAIN                   40.34N  77.51W
06/27/2013                   PERRY              PA   911 CALL CENTER

            TREES AND WIRES DOWN

0413 PM     TSTM WND DMG     2 NE DENVER             40.25N  76.11W
06/27/2013                   LANCASTER          PA   EMERGENCY MNGR

            TREES REPORTED DOWN NEAR CREAMERY AND CREEK ROADS IN
            WEST COCALICO TWP.

0415 PM     TSTM WND DMG     2 E BOALSBURG           40.77N  77.75W
06/27/2013                   CENTRE             PA   PUBLIC

            TREES REPORTED DOWN JUST OFF OF ROUTE 45.

0430 PM     TSTM WND DMG     4 ENE PETERSBURG        40.60N  77.98W
06/27/2013                   HUNTINGDON         PA   911 CALL CENTER

            TREES DOWN OVER ROADS

0440 PM     TSTM WND DMG     PINE GROVE MILLS        40.74N  77.87W
06/27/2013                   CENTRE             PA   PUBLIC

            TREES DOWN ON PINE GROVE MTN.

0450 PM     FLOOD            STATE COLLEGE           40.79N  77.86W
06/27/2013                   CENTRE             PA   SOCIAL MEDIA

            FLOODING REPORTED ON PARK AVE.

0450 PM     FLOOD            PINE GROVE MILLS        40.74N  77.87W
06/27/2013                   CENTRE             PA   SOCIAL MEDIA

            FLOODING REPORTED ON ROUTE 45.

0450 PM     FLASH FLOOD      MECHANICSBURG           40.21N  77.01W
06/27/2013                   CUMBERLAND         PA   TRAINED SPOTTER

            STREET FLOODING REPORTED.

0455 PM     FLOOD            STATE COLLEGE           40.79N  77.86W
06/27/2013                   CENTRE             PA   TRAINED SPOTTER

            FLOODING REPORTED ON ATHERTON ST.

0500 PM     FLASH FLOOD      RIFE                    40.55N  76.88W
06/27/2013                   DAUPHIN            PA   TRAINED SPOTTER

            ROUTE 209 DOWN TO ONE LANE IN UPPER PAXTON TWP DUE TO
            FLOODING.

0500 PM     FLOOD            MCALEVYS FORT           40.64N  77.82W
06/27/2013                   HUNTINGDON         PA   911 CALL CENTER

            ROADS CLOSED DUE TO FLOODING

0500 PM     FLOOD            2 NW WHIPPLE DAM STATE  40.71N  77.87W
06/27/2013                   HUNTINGDON         PA   911 CALL CENTER

            ROADS CLOSED DUE TO FLOODING

0500 PM     FLASH FLOOD      HONEY GROVE             40.42N  77.55W
06/27/2013                   JUNIATA            PA   911 CALL CENTER

            RTE 75 CLOSED NEAR HONEY GROVE FOR TWO HOURS 5PM-7PM

0505 PM     TSTM WND DMG     JACKSONVILLE            40.99N  77.63W
06/27/2013                   CENTRE             PA   TRAINED SPOTTER

            TREES DOWN ALONG ROUTE 26.

0520 PM     FLOOD            STATE COLLEGE           40.79N  77.86W
06/27/2013                   CENTRE             PA   SOCIAL MEDIA

            FLOODING REPORTED ALONG A PORTION OF COLLEGE AVE.

0520 PM     FLASH FLOOD      PENBROOK                40.28N  76.85W
06/27/2013                   DAUPHIN            PA   SOCIAL MEDIA

            FLOODING ON 28TH ST COMING INTO PENBROOK.

0530 PM     FLASH FLOOD      HARRISBURG              40.28N  76.88W
06/27/2013                   DAUPHIN            PA   SOCIAL MEDIA

            FLOODING REPORTED ALONG FRONT ST.

0545 PM     FLOOD            STATE COLLEGE           40.79N  77.86W
06/27/2013                   CENTRE             PA   SOCIAL MEDIA

            FLOODING ALONG WESTERLY PARKWAY.

0552 PM     FLASH FLOOD      HEGINS                  40.65N  76.50W
06/27/2013                   SCHUYLKILL         PA   TRAINED SPOTTER

            WATER ACROSS ROUTE 25.

0555 PM     FLASH FLOOD      HERNDON                 40.71N  76.84W
06/27/2013                   NORTHUMBERLAND     PA   SOCIAL MEDIA

            RUNNING WATER ACROSS ROADWAYS REPORTED AROUND HERNDON.

0555 PM     FLOOD            PINE GROVE MILLS        40.74N  77.87W
06/27/2013                   CENTRE             PA   PUBLIC

            STREAMS REPORTED TO BE OUT OF THEIR BANKS NEAR PINE
            GROVE MILLS.

0601 PM     TSTM WND DMG     RIVERSIDE               40.28N  78.92W
06/27/2013                   CAMBRIA            PA   911 CALL CENTER

            TREES REPORTED DOWN.

0605 PM     FLASH FLOOD      PENFIELD                41.21N  78.60W
06/27/2013                   CLEARFIELD         PA   EMERGENCY MNGR

            TRAILER PARK BEING EVACUATED DUE TO RISING WATER IN
            PENFIELD.

0605 PM     FLASH FLOOD      CURWENSVILLE            40.97N  78.52W
06/27/2013                   CLEARFIELD         PA   EMERGENCY MNGR

            HOMES BEING EVACUATED IN CURWENSVILLE DUE TO RISING
            WATER.

0605 PM     TSTM WND DMG     5 S BEECH CREEK         41.00N  77.59W
06/27/2013                   CENTRE             PA   911 CALL CENTER

            TREES DOWN ALONG I-80.

0609 PM     TSTM WND DMG     BLOOMSBURG              41.00N  76.46W
06/27/2013                   COLUMBIA           PA   911 CALL CENTER

            TREES REPORTED DOWN.

0618 PM     FLASH FLOOD      WHITE HORSE             40.03N  75.99W
06/27/2013                   LANCASTER          PA   911 CALL CENTER

            CAR STUCK IN HIGH WATER

0620 PM     FLASH FLOOD      POTTSVILLE              40.68N  76.21W
06/27/2013                   SCHUYLKILL         PA   911 CALL CENTER

            MUDSLIDE REPORTED DUE TO HEAVY RAIN.

0620 PM     FLASH FLOOD      1 N DANVILLE            40.98N  76.61W
06/27/2013                   MONTOUR            PA   911 CALL CENTER

            WATER ACROSS ROADWAYS IN MAHONING TWP.

0630 PM     FLOOD            JACKSONVILLE            40.99N  77.63W
06/27/2013                   CENTRE             PA   TRAINED SPOTTER

            WATER REPORTED TO BE ACROSS ROADWAYS IN MUCH OF MARION
            TWP.

0635 PM     FLASH FLOOD      CATAWISSA               40.95N  76.46W
06/27/2013                   COLUMBIA           PA   911 CALL CENTER

            WATER ACROSS ROADS NEAR CATAWISSA.

0635 PM     FLASH FLOOD      1 SW BLOOMSBURG         40.99N  76.47W
06/27/2013                   COLUMBIA           PA   911 CALL CENTER

            WATER REPORTED TO BE ACROSS ROUTE 42 IN MONTOUR TWP.

0640 PM     FLOOD            BEECH CREEK             41.07N  77.59W
06/27/2013                   CLINTON            PA   TRAINED SPOTTER

            VEHICLES REPORTED TO BE STRANDED IN WATER ALONG ROUTE
            150.

0645 PM     FLOOD            HOWARD                  41.01N  77.66W
06/27/2013                   CENTRE             PA   TRAINED SPOTTER

            PERSONS TRAPPED INSIDE A BUILDING DUE TO HIGH WATER.

0809 PM     FLOOD            BEECH CREEK             41.07N  77.59W
06/27/2013                   CLINTON            PA   EMERGENCY MNGR

            ONGOING WATER RESCUES IN THE BEECH CREEK AREA.

&&

EVENT NUMBER CTP1300185 CTP1300186 CTP1300187 CTP1300188 CTP1300190
CTP1300189 CTP1300191 CTP1300192 CTP1300193 CTP1300194 CTP1300195
CTP1300196 CTP1300197 CTP1300207 CTP1300203 CTP1300227 CTP1300214
CTP1300199 CTP1300200 CTP1300201 CTP1300202 CTP1300198 CTP1300228
CTP1300229 CTP1300230 CTP1300218 CTP1300204 CTP1300206 CTP1300205
CTP1300208 CTP1300209 CTP1300210 CTP1300215 CTP1300223 CTP1300211
CTP1300212 CTP1300213 CTP1300219 CTP1300231 CTP1300216 CTP1300225
CTP1300217 CTP1300220 CTP1300222 CTP1300221 CTP1300224 CTP1300226

COLBERT
Special weather statement, Jun 28, 1:10 PM EDT, 19 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
110 PM EDT FRI JUN 28 2013

PAZ005-006-010-281815-
ELK PA-MCKEAN PA-POTTER PA-
110 PM EDT FRI JUN 28 2013

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT MCKEAN...NORTH CENTRAL
ELK AND NORTHWESTERN POTTER COUNTIES...

AT 108 PM EDT...A LINE OF STRONG THUNDERSTORMS WAS LOCATED FROM
LIMESTONE TO CYCLONE TO LYNCH...MOVING EAST AT 25 MPH.

WIND GUSTS TO 40 MPH AND NICKEL SIZE HAIL ARE POSSIBLE WITH THESE
STORMS. THESE STORMS WILL AFFECT JAMES CITY...KINZUA BRIDGE STATE
PARK...SMETHPORT...WILCOX...SHINGLEHOUSE AND NORWICH.

OTHER NOTABLE LOCATIONS IMPACTED WILL BE... UNIVERSITY OF PITTSBURGH
- BRADFORD.

THIS WILL IMPACT THE FOLLOWING MAJOR ROADS...ROUTE 6...ROUTE 219...
STATE ROAD 46...STATE ROAD 59...STATE ROAD 66...STATE ROAD 446.

LAT...LON 4200 7794 4186 7796 4162 7833 4162 7842
      4156 7842 4153 7896 4166 7896 4181 7872
      4200 7870

FORECASTER:
Local storm report, Jun 28, 1:16 PM EDT, 13 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
116 PM EDT FRI JUN 28 2013

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

0600 PM     FLASH FLOOD      SHAMOKIN                40.79N  76.55W
06/27/2013                   NORTHUMBERLAND     PA   911 CALL CENTER

            FLOODED BASEMENTS

&&

EVENT NUMBER CTP1300232

COLBERT
Local storm report, Jun 28, 1:20 PM EDT, 9 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
120 PM EDT FRI JUN 28 2013

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

1230 PM     HAIL             SCANDIA                 41.91N  79.04W
06/28/2013  E1.00 INCH       WARREN             PA   PUBLIC

&&

EVENT NUMBER CTP1300233

COLBERT

The office that day

Everything else NWS State College, PA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 27, 8:08 PM EDTAreal Flood AdvisoryCTPCentre, Clinton, Lycoming, Northumberland, Snyder, Union3 hr
Jun 27, 8:29 PM EDTAreal Flood AdvisoryCTPColumbia, Montour, Schuylkill2 hr
Jun 28, 10:36 AM EDTAreal Flood AdvisoryCTPClearfield12 hr
Jun 28, 11:40 AM EDTSpecial Weather StatementCTPWarren50 min
Jun 28, 12:12 PM EDTSpecial Weather StatementCTPWarren33 min
Jun 28, 12:38 PM EDTSpecial Weather StatementCTPMcKean22 min
Jun 28, 1:10 PM EDTSpecial Weather StatementCTPMcKean65 min
Jun 28, 1:38 PM EDTSpecial Weather StatementCTPCambria37 min
Jun 28, 1:47 PM EDTSevere Thunderstorm WarningCTPBedford, Cambria, Somerset73 min
Jun 28, 2:12 PM EDTSpecial Weather StatementCTPUnion33 min
Jun 28, 2:17 PM EDTSevere Thunderstorm WarningCTPBedford, Fulton, Somerset58 min
Jun 28, 2:25 PM EDTAreal Flood AdvisoryCTPBlair, Cambria, Centre, Clearfield, Clinton, Huntingdon and 4 more4 hr
Jun 28, 2:26 PM EDTSpecial Weather StatementCTPCambria34 min
Jun 28, 2:29 PM EDTSpecial Weather StatementCTPLancaster46 min
Jun 28, 2:35 PM EDTSpecial Weather StatementCTPTioga40 min
Jun 28, 2:40 PM EDTSpecial Weather StatementCTPMifflin35 min
Jun 28, 3:08 PM EDTSevere Thunderstorm WarningCTPBedford, Franklin, Fulton, Huntingdon, Somerset67 min
Jun 28, 3:12 PM EDTSevere Thunderstorm WarningCTPCentre, Huntingdon, Mifflin, Snyder, Union63 min
Jun 28, 3:14 PM EDTSevere Thunderstorm WarningCTPTioga46 min
Jun 28, 3:29 PM EDTSevere Thunderstorm WarningCTPLancaster, York61 min
Jun 28, 3:40 PM EDTFlash Flood WarningCTPClearfield3 hr
Jun 28, 3:42 PM EDTSpecial Weather StatementCTPAdams18 min
Jun 28, 4:09 PM EDTSevere Thunderstorm WarningCTPAdams, Cumberland, Franklin, Fulton, Huntingdon, York66 min
Jun 28, 4:39 PM EDTSpecial Weather StatementCTPSullivan66 min
Jun 28, 4:47 PM EDTSpecial Weather StatementCTPSchuylkill58 min
Jun 28, 4:48 PM EDTSpecial Weather StatementCTPNorthumberland27 min
Jun 28, 4:56 PM EDTSevere Thunderstorm WarningCTPColumbia, Dauphin, Northumberland, Schuylkill64 min
Jun 28, 5:32 PM EDTSpecial Weather StatementCTPSchuylkill58 min
Jun 28, 5:48 PM EDTAreal Flood AdvisoryCTPDauphin, Northumberland, Schuylkill3 hr
Jun 28, 6:22 PM EDTSpecial Weather StatementCTPSchuylkill23 min

Nearby

Severe Thunderstorm Warnings in Pennsylvania, 2013Every severe thunderstorm warning in 2013

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.