Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2008
Severe Thunderstorm Warning 60, NWS State College, PA
NWS State College, PA issued this severe thunderstorm warning at Jun 20, 2008, 6:16 PM EDT for Columbia County, Lycoming County, Sullivan County, Pennsylvania. It was in force for 59 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jun 20, 2008, 6:16 PM EDT (22:16 UTC)
- Expired
- Jun 20, 2008, 7:15 PM EDT
- In force
- 59 min
- Issued by
- NWS State College, PA
- Area
- Storm-based polygon
Counties Columbia County, PA, Lycoming County, PA, Sullivan County, PA
The radar
The Binghamton radar (KBGM), 117 km from the middle of the area, began a volume at 22:16 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
Washington/Dulle, VA (KIAD), launched 12:00Z, 10.3 hours before the alert went out and 267 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
- 55 J/kg
- Mixed-layer CIN
- -107 J/kg
- Mixed-layer LCL
- 1275 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 63 m²/s²
- 0-3 km storm-relative helicity
- 72 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 20, 3:06 PM EDT, 3 hours 10 minutes earlier.
Area forecast discussion, Jun 20, 3:06 PM EDT, 3 hours 10 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE STATE COLLEGE PA 306 PM EDT FRI JUN 20 2008 .SYNOPSIS... WHILE ONE UPPER TROF STARTS TO LOSE ITS GRIP OVER THE REGION... ANOTHER UPPER LOW WILL DESCEND FROM CANADA INTO THE GREAT LAKES LATE SATURDAY AND SUNDAY...BRINGING MORE CLOUDS AND A GOOD CHANCE FOR SHOWERS AND THUNDERSTORMS. THE SECOND UPPER LOW WILL LOOSEN ITS GRIP ON THE REGION BY THE MIDDLE OF NEXT WEEK WITH SHOWER CHANCES DIMINISHING AND TEMPERATURES REBOUNDING BACK TO NORMAL BY THE MIDDLE PORTION OF NEXT WEEK. && .NEAR TERM /UNTIL 10 PM THIS EVENING/... DESPITE SOMEWHAT SKINNY CAPE PROFILES...SLOWLY RISING 5H HEIGHTS AND MEAGER MOISTURE...SEEING MORE WIDESPREAD SCT SHOWER AND THUNDERSTORM ACTIVITY THIS AFTERNOON. WET BULB ZERO HEIGHTS AROUND 9K FEET WITH -20C HEIGHTS AROUND 20K FEET WILL LIKELY LEAD TO SOME PEA SIZED HAIL REPORTS THIS AFTERNOON INTO EARLY THIS EVENING. && .SHORT TERM /10 PM THIS EVENING THROUGH SUNDAY/... 5H RIDGING WILL CONTINUE AFTER THE EARLY EVENING CONVECTION HAS DIED...ALLOWING FOR MOSTLY CLEAR SKIES AND A COOL FIRST NIGHT OF SUMMER. STUCK WITH LOWS RANGING FROM SOME MID 40 READINGS IN THE NORTH THROUGH THE MID TO UPPER 50S ACROSS THE CENTRAL AND SOUTHEAST. THINKING STILL HOLDS FOR THE WEEKEND WITH DEEPER LAYER MOISTURE RETURNING TO THE REGION LATE SATURDAY ON WLY FLOW ALOFT. SHOULD SEE SOME AFTN CONVECTION MAINLY ACROSS WESTERN SECTIONS...BUT AT THIS TIME IT DOES NOT APPEAR IT WILL BE VERY STRONG OR ORGANIZED. TEMPS WILL CONTINUE TO REBOUND NICELY FROM THE SEASONABLY CHILLY CONDITIONS SEEN IN THE MID TO LATE PORTION OF THIS WEEK...WITH HIGHS THROUGHOUT CENTRAL AND SOUTHERN PA IN THE 80S...AND THE MID TO UPPER 70S ELSEWHERE. && .LONG TERM /SUNDAY NIGHT THROUGH FRIDAY/... LONG TERM STILL LOOKS LIKE THE SHORT TERM WITH THE CLEAR MORNINGS AND THE CONVECTIVE CLOUDS DEVELOPING IN EARLY AFTERNOON. STORMS WILL BE SHORT LIVED BUT WILL STILL CONTAIN LIGHTNING AND SMALL HAIL. UPPER TROUGH AND LOW WILL MOVE THROUGH THE REGION ON SUNDAY BRINGING A BETTER CHANCE FOR MORE WELL DEFINED CONVECTION AND STRONGER STORMS. FOR THE BEGINNING OF WORK WEEK EXPECT A HIGHER CHANCE FOR LESS PRECIP AND TEMPERATURES WILL BECOME MORE SEASONAL. && .AVIATION /19Z FRIDAY THROUGH WEDNESDAY/... SCT CONVECTION INTO EARLY THIS EVENING WITH SCT MVFR CIGS MOST PREVALENT ACROSS NORTHERN AND EASTERN ROUTES...THEN VFR OVERNIGHT THROUGH SATURDAY MORNING. AREA OF LOW PRESSURE APPROACHES THE REGION SAT AFTN WITH CHC FOR TSRA AND POSSIBLE REDUCTION IN CIGS/VSBYS TO MVFR. LOW PRESSURE LINGERS SUN...BEFOR LIFTING NE. REDUCED CIGS/VSBYS WILL LINGER THRU SUN AND SLOWLY IMPROVE SUN EVE. NW FLOW RESUMES MON WITH A WEAK AREA OF HIGH PRESSURE BUILDING IN FOR TUE FROM THE WEST. && .CTP WATCHES/WARNINGS/ADVISORIES... NONE. && SYNOPSIS...DEVOIR NEAR TERM...DEVOIR SHORT TERM...DEVOIR LONG TERM...ONDREJIK AVIATION...DEVOIR
Hazardous weather outlook, Jun 20, 3:41 AM EDT, 14 hours 35 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE STATE COLLEGE PA 341 AM EDT FRI JUN 20 2008 PAZ004>006-010-011-017-024-033-210745- WARREN-MCKEAN-POTTER-ELK-CAMERON-CLEARFIELD-CAMBRIA-SOMERSET- 341 AM EDT FRI JUN 20 2008 THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL PENNSYLVANIA. .DAY ONE...TODAY AND TONIGHT THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY SCATTERED TO NUMEROUS THUNDERSTORMS ARE EXPECTED SATURDAY AFTERNOON...AND SOME MAY CONTAIN DAMAGING WIND GUSTS OR LARGE HAIL. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED TODAY. PAZ012-018-019-025>028-034>037-041-042-045-046-049>053-056>059- 063>066-210745- NORTHERN CLINTON-NORTHERN CENTRE-SOUTHERN CENTRE-BLAIR-HUNTINGDON- MIFFLIN-JUNIATA-BEDFORD-FULTON-FRANKLIN-TIOGA-NORTHERN LYCOMING- SULLIVAN-SOUTHERN CLINTON-SOUTHERN LYCOMING-UNION-SNYDER-MONTOUR- NORTHUMBERLAND-COLUMBIA-PERRY-DAUPHIN-SCHUYLKILL-LEBANON-CUMBERLAND- ADAMS-YORK-LANCASTER- 341 AM EDT FRI JUN 20 2008 THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL PENNSYLVANIA. .DAY ONE...TODAY AND TONIGHT THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED TODAY. DANGELO
In the hours before
Special weather statement, Jun 20, 3:17 PM EDT, 2 hours 59 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE STATE COLLEGE PA 317 PM EDT FRI JUN 20 2008 PAZ035-036-202000- FRANKLIN-FULTON- 317 PM EDT FRI JUN 20 2008 ...A STRONG THUNDERSTORM WILL AFFECT SOUTHERN FRANKLIN AND SOUTHERN FULTON COUNTIES... AT 316 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE TRACKING A STRONG THUNDERSTORM LOCATED 11 MILES SOUTH OF BREEZEWOOD...MOVING EAST AT 23 MPH. WIND GUSTS TO 40 MPH AND PEA-SIZED HAIL ARE POSSIBLE WITH THIS STORM. THIS STORM WILL BE NEAR BIG COVE TANNERY AROUND 335 PM... MCCONNELLSBURG AROUND 340 PM...CLAYLICK AROUND 350 PM...MERCERSBURG AROUND 355 PM AND GREENCASTLE AROUND 400 PM. FORECASTER: ONDREJIK
Local storm report, Jun 20, 4:54 PM EDT, 1 hour 22 minutes before
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</html>The office that day
Everything else NWS State College, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 20, 3:25 PM EDT | Severe Thunderstorm Warning | CTP | Adams, Cumberland, Franklin, Fulton | 65 min |
Nearby
Severe Thunderstorm Warnings in Pennsylvania, 2008Every severe thunderstorm warning in 2008
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.