Alert archive / Pennsylvania / Special Weather Statements in 2012
Special Weather Statement, NWS State College, PA
NWS State College, PA issued this special weather statement at Jul 4, 2012, 11:06 AM EDT for McKean County, Warren County, Pennsylvania. It was in force for 69 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jul 4, 2012, 11:06 AM EDT (15:06 UTC)
- Expired
- Jul 4, 2012, 12:15 PM EDT
- In force
- 69 min
- Issued by
- NWS State College, PA
Counties McKean County, PA, Warren County, PA
The radar
The State College radar (KCCX), 122 km from the middle of the area, began a volume at 15:09 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.
The nearest sounding before it
Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 3.1 hours before the alert went out and 121 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.
- Mixed-layer CAPE
- 748 J/kg
- Mixed-layer CIN
- -102 J/kg
- Mixed-layer LCL
- 877 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 57 m²/s²
- 0-3 km storm-relative helicity
- 121 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.6
The text
As transmitted, in the capitals the NWS used until 2016.
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</html>What forecasters said that day
The local office's own words before this special weather statement 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 special weather statement went out at Jul 4, 9:13 AM EDT, 1 hour 53 minutes earlier.
Area forecast discussion, Jul 4, 9:13 AM EDT, 1 hour 53 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE STATE COLLEGE PA 913 AM EDT WED JUL 4 2012 .SYNOPSIS... HOT SUMMERTIME WEATHER CONDITIONS WILL PREVAIL ACROSS CENTRAL PENNSYLVANIA INTO THE WEEKEND. THERE WILL BE A CHANCE FOR AFTERNOON SHOWERS AND THUNDERSTORMS TODAY...FOLLOWED BY FAIR AND DRY WEATHER FOR THURSDAY AND FRIDAY. && .NEAR TERM /THROUGH TONIGHT/... UPATED PACKAGE AROUND 730 AM...AS FIRST BATCH OF SHOWERS AND STORMS OUT OF THE FAR SE. WILL CONTINUE TO MONITOR MCS OVER SOUTHERN ONTARIO...AND UPDATE AS NEEDED. VERY UNSTABLE AIRMASS JUST TO THE WEST OF OUR AREA. EARLIER DISCUSSION BELOW. SHOWERS AND ISOLD TSTMS WILL BE CONFINED TO THE SRN 1/3 OF THE CWA EARLY THIS MORNING...AS SHORTWAVE TROF/VORTICITY AXIS CONTINUES TO PUSH SEWD ACRS THE CENTRAL MTNS AND EXITS SE PA SHORTLY AFTER 12Z. CONVECTIVE ELEMENTS...LKLY ELEVATED...LOCATED ON THE SW FLANK OF THE VORT AXIS NEAR PITTSBURGH SHOULD CONTINUE TO WEAKEN AS THEY MOVE SEWD INTO A MORE STABLE AIRMASS ALONG/EAST OF THE LAUREL HIGHLANDS. SATL DATA SHOWS CLEARING TO THE NW OF DUJ-ELM LINE WITH FOG DEVELOPING IN THE VALLEYS. && .SHORT TERM / THURSDAY THROUGH 6 AM THURSDAY/... WEAK SFC RIDGING AND HEIGHT RISES IN THE WAKE OF H5 TROF AXIS WILL KEEP THINGS QUIET EARLY TODAY. HOWEVER ALL BETS ARE OFF FOR LATER IN THE DAY...AS THE AREA REMAINS ON THE NERN FRINGE OF HOT CENTRAL U.S. RIDGE WITHIN BELT OF NWLY FLOW ALOFT. WITH A RATHER WEAK/NONDESCRIPT SFC PATTERN FCST TO BE IN PLACE LACKING A TRUE FORCING/TRIGGERING MECHANISM FOR GENERATING SUBSTANTIAL UPWARD VERTICAL MOTION...EXPECT ANY DIURNAL CONVECTIVE ACTIVITY TO BE NON-FOCUSED AND DISORGANIZED...DRIVEN LARGELY BY SMALL/SUBTLE VORTICITY MAXIMA ROTATING SEWD DOWN THE FRONT-SIDE OF THE CENTRAL U.S. ANTICYCLONE. THE HI RES MDL DATA MAY BE PICKING UP ON ONE OF THESE SMALL/SUBTLE SHORTWAVE IMPULSES WHICH APPEARS TO HAVE INITIATED A CLUSTER OF TSTMS OVR THE THUMB OF LWR MI/LK HURON. BOTH THE 3KM HRRR AND 4KM NAM SHOW THIS AREA OF CONVECTION CROSSING LAKE ERIE AROUND MID MORNING AND ENTERING THE NW MTNS AROUND 18Z. GIVEN THE LOW CONFIDENCE FCST...BROAD-BRUSHED LOW TO MEDIUM CHC POPS FOR THE AFTN/EVE HOURS. CVRG SHOULD BE ISOLD TO SCT GIVEN WEAK FORCING AND MOIST/UNSTABLE CONDITIONS. SPC HAS MAINTAINED THE SEE TEXT CATG D1 OUTLOOK WITH LOW-PROBABILITY OF SVR. && .LONG TERM /THURSDAY THROUGH TUESDAY/... BY THU...RIDGE FLATTENS AND BEGINS TO EXTEND FURTHER EASTWARD INTO CENTRAL PA. THOUGH AN ISOLATED LATE AFTERNOON/EVE TSTM WILL BE POSS OFF THE HIGHER TERRAIN IN THE SW...WARMING TEMPS ALOFT SHOULD KEEP THESE TO A MINIMUM. WITH PLENTY OF SUNSHINE...TEMPS WILL RISE TO THE LOW TO MID 90S. MORE HOT WEATHER IN STORE FOR FRI AND SAT...WITH READINGS 10-15F ABOVE NORMAL /AND HEAT INDICES APPROACHING 100F IN THE SE/. HEAT HEADLINES MAY BE A POSSIBILITY IF DEWPOINTS INCH CLOSER TO 70F...BUT DEEPEST LOW LEVEL MOISTURE WILL REMAIN OFF TO OUR WEST. FRIDAY IS THE DRIEST OF THE THREE DAYS...WITH HIGHER DEWPOINT AMOUNTS THURSDAY AND SATURDAY. NIGHTS WILL CONTINUE TO BE QUITE MUGGY AND WARM ACROSS THE SOUTH. OVER THE WEEKEND...HIGH PRESSURE RIDGE IS MOVED WESTWARD BY AN STRONG UPPER LEVEL LOW MOVING THROUGH CENTRAL CANADA. THIS WILL BRING A MID LEVEL TROUGH TO SLOWLY SAG OVER THE REGION LATE SATURDAY INTO SUNDAY. THIS WILL PUSH A COOL FRONT THROUGH THE REGION FROM THE NORTH...WHICH WILL BRING RENEWED CHANCES FOR TSTMS INITIALLY ACROSS THE NORTH LATE SATURDAY...AND THEN ACROSS PA LAT SATURDAY NIGHT...EARLY SUNDAY. DRY COOLER AIR BEHIND THE FRONT WILL GRADUALLY WORK IN LATE IN THE WEEKEND AND THROUGH EARLY NEXT WEEK. THIS SHOULD BRING RELIEF FROM THE SUMMERTIME HEAT...DROPPING TEMPS BACK TOWARD SEASONAL NORMALS THROUGH THE FIRST HALF OF NEXT WEEK. && .AVIATION /13Z WEDNESDAY THROUGH SUNDAY/... UPATED A FEW TAFS SO FAR. LOWER CLDS SLOW TO BREAK UP TO THE NORTH. ALSO DECIDED TO BRING SHOWERS INTO BFD A FEW HOURS SOONER... LOOKS LIKE EAST SIDE OF CONVECTIVE COMPLEX OVER SOUTHERN ONTARIO COULD BRUSH BFD WITH AT LEAST A FEW SHOWERS. EARLIER DISCSSION BELOW. SCATTERED TSRA AND SHRA CONTINUE ACROSS THE FAR SOUTHERN TIER OF PA THIS MORNING. LIGHT RAIN CONTINUES AT MDT AND LNS...THROUGH THESE SHOWERS SHOULD ARE NOG REDUCING CONDITIONS AND SHOW END BY 12Z. LOW CLOUDS HAVE FORMED OVER BFD...WITH LIFR CIGS. THESE CONDITIONS SHOULD LIFT BETWEEN 12-14Z. LIGHT VALLEY FOG REMAINS POSSIBLE UNTIL AROUND 15Z. STORMS SHOULD REGENERATE MID TO LATE THIS AFTERNOON WITH WARM TEMPERATURES AND HIGH DEWPOINTS. SHORT RANGE MODELS SUGGEST ACTIVITY MOVES THROUGH LATE AFTERNOON...EARLY EVENING. OUTLOOK... THUR...AM FOG OTHERWISE VFR. FRI...VFR. SAT-SUN...SCT PM TSRA IMPACTS POSSIBLE. && .CTP WATCHES/WARNINGS/ADVISORIES... NONE. && SYNOPSIS...STEINBUGL NEAR TERM...MARTIN/STEINBUGL SHORT TERM...STEINBUGL LONG TERM...CERU/RXR AVIATION...LA CORTE/CERU/MARTIN
Hazardous weather outlook, Jul 4, 5:17 AM EDT, 5 hours 49 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE STATE COLLEGE PA 517 AM EDT WED JUL 4 2012 PAZ004>006-010>012-017>019-024>028-033>035-037-041-042-045-050930- WARREN-MCKEAN-POTTER-ELK-CAMERON-NORTHERN CLINTON-CLEARFIELD- NORTHERN CENTRE-SOUTHERN CENTRE-CAMBRIA-BLAIR-HUNTINGDON-MIFFLIN- JUNIATA-SOMERSET-BEDFORD-FULTON-TIOGA-NORTHERN LYCOMING-SULLIVAN- SOUTHERN CLINTON- 517 AM EDT WED JUL 4 2012 THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL PENNSYLVANIA. .DAY ONE...TODAY AND TONIGHT. THERE IS A LOW PROBABILITY OF SEVERE THUNDERSTORMS THIS AFTERNOON. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY. THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. PAZ036-046-049>053-056>059-063>066-050930- FRANKLIN-SOUTHERN LYCOMING-UNION-SNYDER-MONTOUR-NORTHUMBERLAND- COLUMBIA-PERRY-DAUPHIN-SCHUYLKILL-LEBANON-CUMBERLAND-ADAMS-YORK- LANCASTER- 517 AM EDT WED JUL 4 2012 THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL PENNSYLVANIA. .DAY ONE...TODAY AND TONIGHT. THERE IS A LOW PROBABILITY OF SEVERE THUNDERSTORMS THIS AFTERNOON. HEAT INDEX VALUES WILL APPROACH 100 DEGREES THIS AFTERNOON. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY. HEAT INDEX VALUES MAY EXCEED 100 DEGREES DURING THE AFTERNOON FROM THURSDAY THROUGH SATURDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.
In the hours before
Special weather statement, Jul 4, 11:06 AM EDT, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
1106 AM EDT WED JUL 4 2012
PAZ004-005-041615-
MCKEAN PA-WARREN PA-
1106 AM EDT WED JUL 4 2012
...A LINE OF THUNDERSTORMS WILL AFFECT MCKEAN AND WARREN COUNTIES...
AT 1100 AM EDT...A LINE OF THUNDERSTORMS WERE LOCATED FROM 13 MILES
NORTH OF JAMESTOWN WEST TO 13 MILES WEST OF ELGIN...MOVING SOUTHEAST
AT 35 MPH.
LIGHTNING...SMALL HAIL AND WIND GUSTS TO 40 MPH ARE POSSIBLE WITH
THESE STORMS. LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS.
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE
STRUCK BY LIGHTNING. DO NOT STAY IN THE OPEN NOR SEEK SHELTER UNDER
TREES WHEN LIGHTNING THREATENS...MOVE INDOORS WHEN A THUNDERSTORM
APPROACHES.
THESE STORMS WILL AFFECT SUGAR GROVE...SPRING CREEK...
YOUNGSVILLE...ELDRED AND WETMORE.
THIS WILL IMPACT THE FOLLOWING MAJOR ROADS...ROUTE 6...ROUTE 62...
ROUTE 219...STATE ROAD 46...STATE ROAD 59...STATE ROAD 66...STATE
ROAD 446.
LAT...LON 4200 7821 4181 7821 4162 7892 4163 7962
4200 7961
FORECASTER: RXRThe office that day
Everything else NWS State College, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 3, 8:03 PM EDT | Special Weather Statement | CTP | Warren | 72 min |
| Jul 3, 8:37 PM EDT | Severe Thunderstorm Warning | CTP | Warren | 38 min |
| Jul 3, 9:50 PM EDT | Special Weather Statement | CTP | Clearfield, Elk | 55 min |
| Jul 3, 10:36 PM EDT | Special Weather Statement | CTP | Cambria, Centre, Clearfield | 54 min |
| Jul 3, 11:36 PM EDT | Special Weather Statement | CTP | Blair, Cambria, Centre, Huntingdon, Mifflin | 29 min |
| Jul 4, 12:07 AM EDT | Special Weather Statement | CTP | Bedford, Franklin, Fulton, Somerset | 53 min |
| Jul 4, 2:27 AM EDT | Special Weather Statement | CTP | Somerset | 63 min |
| Jul 4, 11:27 AM EDT | Severe Thunderstorm Warning | CTP | Warren | 48 min |
| Jul 4, 11:53 AM EDT | Special Weather Statement | CTP | McKean | 37 min |
| Jul 4, 5:34 PM EDT | Severe Thunderstorm Warning | CTP | Bedford, Cambria, Somerset | 41 min |
| Jul 4, 6:06 PM EDT | Severe Thunderstorm Warning | CTP | Bedford, Somerset | 54 min |
| Jul 4, 6:16 PM EDT | Special Weather Statement | CTP | Centre | 44 min |
| Jul 4, 6:58 PM EDT | Severe Thunderstorm Warning | CTP | Bedford, Somerset | 50 min |
| Jul 4, 7:15 PM EDT | Severe Thunderstorm Warning | CTP | Bedford, Somerset | 45 min |
| Jul 4, 7:33 PM EDT | Severe Thunderstorm Warning | CTP | Bedford, Fulton, Somerset | 42 min |
Nearby
Special Weather Statements in Pennsylvania, 2012Every special weather statement in 2012
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.