Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2010
Severe Thunderstorm Warning 145, NWS State College, PA
NWS State College, PA issued this severe thunderstorm warning at Jul 24, 2010, 8:35 PM EDT for Lycoming County, Pennsylvania. It was in force for 40 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
- Jul 24, 2010, 8:35 PM EDT (00:35 UTC)
- Expired
- Jul 24, 2010, 9:15 PM EDT
- In force
- 40 min
- Issued by
- NWS State College, PA
- Area
- Storm-based polygon
County Lycoming County, PA
The radar
The State College radar (KCCX), 92 km from the middle of the area, began a volume at 00:39 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jul 24, 4:14 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 24, 6:48 PM EDT | Tornado Watch | SPC | 4 hr |
The nearest sounding before it
Washington/Dulle, VA (KIAD), launched 00:00Z, 0.6 hours before the alert went out and 268 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
- 1790 J/kg
- Mixed-layer CIN
- -13 J/kg
- Mixed-layer LCL
- 1888 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 105 m²/s²
- 0-3 km storm-relative helicity
- 171 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 5.2
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 Jul 24, 7:43 PM EDT, 52 minutes earlier.
Area forecast discussion, Jul 24, 7:43 PM EDT, 52 minutes before
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</html>Hazardous weather outlook, Jul 24, 7:09 PM EDT, 1 hour 26 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE STATE COLLEGE PA 709 PM EDT SAT JUL 24 2010 PAZ005-006-010>012-017-018-037-041-042-251630- MCKEAN-POTTER-ELK-CAMERON-NORTHERN CLINTON-CLEARFIELD- NORTHERN CENTRE-TIOGA-NORTHERN LYCOMING-SULLIVAN- 709 PM EDT SAT JUL 24 2010 ...TORNADO WATCH 533 IN EFFECT UNTIL 1 AM EDT SUNDAY... THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL PENNSYLVANIA. .DAY ONE...TONIGHT. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV/STATECOLLEGE ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. TORNADO WATCH. A STALLED FRONTAL BOUNDARY NEAR THE NEW YORK BORDER WILL BE THE FOCUS FOR THUNDERSTORMS INTO THIS EVENING. SOME STORMS WILL BE SEVERE WITH DAMAGING WINDS AND HAIL. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY. THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. PAZ004-024-033-251630- WARREN-CAMBRIA-SOMERSET- 709 PM EDT SAT JUL 24 2010 THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL PENNSYLVANIA. .DAY ONE...TONIGHT. A STALLED FRONTAL BOUNDARY NEAR THE NEW YORK BORDER WILL BE THE FOCUS FOR THUNDERSTORMS LATER TODAY. A FEW OF THESE STORMS COULD PRODUCE DAMAGING WIND GUSTS THIS AFTERNOON AND EVENING...ESPECIALLY ACROSS THE NORTHERN HALF OF THE STATE. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY. A FEW STORMS MAY BE ON THE STRONG TO SEVERE SIDE ON SUNDAY... AS A COLD FRONT MOVES SOUTHWARD ACROSS THE STATE. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. PAZ057-059-063>066-251630- DAUPHIN-LEBANON-CUMBERLAND-ADAMS-YORK-LANCASTER- 709 PM EDT SAT JUL 24 2010 ...EXCESSIVE HEAT WARNING IN EFFECT UNTIL 9 PM EDT THIS EVENING... THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL PENNSYLVANIA. .DAY ONE...TONIGHT. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV/STATECOLLEGE ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. EXCESSIVE HEAT WARNING. A STALLED FRONTAL BOUNDARY NEAR THE NEW YORK BORDER WILL BE THE FOCUS FOR THUNDERSTORMS INTO THIS EVENING. SOME STORMS WILL BE SEVERE WITH DAMAGING WINDS AND HAIL. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY. A FEW STORMS MAY BE ON THE STRONG TO SEVERE SIDE ON SUNDAY... AS A COLD FRONT MOVES SOUTHWARD ACROSS THE STATE. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. PAZ019-045-046-049-051>053-058-251630- SOUTHERN CENTRE-SOUTHERN CLINTON-SOUTHERN LYCOMING-UNION-MONTOUR- NORTHUMBERLAND-COLUMBIA-SCHUYLKILL- 709 PM EDT SAT JUL 24 2010 ...HEAT ADVISORY IN EFFECT UNTIL 9 PM EDT THIS EVENING... ...TORNADO WATCH 533 IN EFFECT UNTIL 1 AM EDT SUNDAY... THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL PENNSYLVANIA. .DAY ONE...TONIGHT. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV/STATECOLLEGE ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. TORNADO WATCH. HEAT ADVISORY. A STALLED FRONTAL BOUNDARY NEAR THE NEW YORK BORDER WILL BE THE FOCUS FOR THUNDERSTORMS INTO THIS EVENING. SOME STORMS WILL BE SEVERE WITH DAMAGING WINDS AND HAIL. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY. A FEW STORMS MAY BE ON THE STRONG TO SEVERE SIDE ON SUNDAY... AS A COLD FRONT MOVES SOUTHWARD ACROSS THE STATE. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. PAZ025>028-034>036-050-056-251630- BLAIR-HUNTINGDON-MIFFLIN-JUNIATA-BEDFORD-FULTON-FRANKLIN-SNYDER- PERRY- 709 PM EDT SAT JUL 24 2010 ...HEAT ADVISORY IN EFFECT UNTIL 9 PM EDT THIS EVENING... THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL PENNSYLVANIA. .DAY ONE...TONIGHT. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV/STATECOLLEGE ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. HEAT ADVISORY. A STALLED FRONTAL BOUNDARY NEAR THE NEW YORK BORDER WILL BE THE FOCUS FOR THUNDERSTORMS LATER TODAY. A FEW OF THESE STORMS COULD PRODUCE DAMAGING WIND GUSTS THIS AFTERNOON AND EVENING...ESPECIALLY ACROSS THE NORTHERN HALF OF THE STATE. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY. A FEW STORMS MAY BE ON THE STRONG TO SEVERE SIDE ON SUNDAY... AS A COLD FRONT MOVES SOUTHWARD ACROSS THE STATE. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. MARTIN
In the hours before
Local storm report, Jul 24, 7:02 PM EDT, 1 hour 33 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
702 PM EDT SAT JUL 24 2010
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0645 PM TSTM WND DMG 4 S BRADFORD 41.90N 78.64W
07/24/2010 MCKEAN PA EMERGENCY MNGR
TREES AND WIRES DOWN ON MINARD RUN ROAD NEAR CUSTER CITY
AT 650 PM
0645 PM TSTM WND DMG 4 S BRADFORD 41.90N 78.64W
07/24/2010 MCKEAN PA EMERGENCY MNGR
TREES AND WIRES DOWN ON MINARD ROAD NEAR CUSTER CITY
&&
PAHLocal storm report, Jul 24, 7:07 PM EDT, 1 hour 28 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
707 PM EDT SAT JUL 24 2010
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0650 PM HAIL 6 S ULYSSES 41.82N 77.76W
07/24/2010 M1.25 INCH POTTER PA TRAINED SPOTTER
HAIL THE SIZE OF KENNEDY HALF DOLLARS ACCOMPANIED 0.76
INCHES OF RAIN
&&
PAHLocal storm report, Jul 24, 7:31 PM EDT, 1 hour 4 minutes before
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</html>Local storm report, Jul 24, 8:12 PM EDT, 23 minutes before
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</html>Local storm report, Jul 24, 8:21 PM EDT, 14 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 |
|---|---|---|---|---|
| Jul 24, 8:03 PM EDT | Special Weather Statement | CTP | Clinton | 42 min |
| Jul 24, 8:14 PM EDT | Severe Thunderstorm Warning | CTP | Cameron, Clearfield, Elk | 76 min |
| Jul 24, 8:18 PM EDT | Severe Thunderstorm Warning | CTP | Clinton, Lycoming | 42 min |
| Jul 24, 8:57 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Clinton, Columbia, Lycoming, Montour, Northumberland and 2 more | 78 min |
| Jul 24, 9:07 PM EDT | Special Weather Statement | CTP | Clearfield | 23 min |
| Jul 24, 9:45 PM EDT | Severe Thunderstorm Warning | CTP | Clearfield | 29 min |
| Jul 24, 9:59 PM EDT | Severe Thunderstorm Warning | CTP | Schuylkill | 46 min |
| Jul 24, 10:10 PM EDT | Special Weather Statement | CTP | Clearfield | 35 min |
| Jul 24, 10:32 PM EDT | Special Weather Statement | CTP | Juniata, Mifflin, Snyder | 43 min |
| Jul 24, 11:16 PM EDT | Special Weather Statement | CTP | Dauphin | 14 min |
| Jul 24, 11:35 PM EDT | Special Weather Statement | CTP | Dauphin | 25 min |
| Jul 24, 11:57 PM EDT | Special Weather Statement | CTP | Lebanon | 33 min |
| Jul 25, 8:34 AM EDT | Special Weather Statement | CTP | McKean | 56 min |
| Jul 25, 8:35 AM EDT | Special Weather Statement | CTP | Warren | 55 min |
| Jul 25, 8:41 AM EDT | Areal Flood Advisory | CTP | McKean, Warren | 3 hr |
| Jul 25, 9:27 AM EDT | Special Weather Statement | CTP | Potter, Tioga | 63 min |
| Jul 25, 9:35 AM EDT | Special Weather Statement | CTP | Warren | 55 min |
| Jul 25, 9:46 AM EDT | Special Weather Statement | CTP | McKean | 59 min |
| Jul 25, 10:24 AM EDT | Special Weather Statement | CTP | Cameron, Elk, McKean | 66 min |
| Jul 25, 10:28 AM EDT | Special Weather Statement | CTP | Tioga | 62 min |
| Jul 25, 10:35 AM EDT | Severe Thunderstorm Warning | CTP | Columbia, Lycoming, Montour, Northumberland, Potter, Sullivan and 1 more | 55 min |
| Jul 25, 10:41 AM EDT | Special Weather Statement | CTP | Potter | 64 min |
| Jul 25, 11:19 AM EDT | Special Weather Statement | CTP | Cambria | 26 min |
| Jul 25, 11:42 AM EDT | Severe Thunderstorm Warning | CTP | Cameron, Clinton, Lycoming, Potter | 63 min |
| Jul 25, 11:50 AM EDT | Severe Thunderstorm Warning | CTP | Bedford, Blair, Cambria, Fulton, Huntingdon, Somerset | 55 min |
| Jul 25, 12:06 PM EDT | Severe Thunderstorm Warning | CTP | Bedford, Somerset | 54 min |
| Jul 25, 12:29 PM EDT | Severe Thunderstorm Warning | CTP | Cumberland, Dauphin, Lebanon, Perry | 61 min |
| Jul 25, 12:37 PM EDT | Areal Flood Advisory | CTP | Bedford, Blair, Cambria, Franklin, Fulton, Huntingdon and 4 more | 3 hr |
| Jul 25, 12:44 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Clinton, Lycoming, Union | 46 min |
| Jul 25, 12:46 PM EDT | Severe Thunderstorm Warning | CTP | Bedford, Cumberland, Franklin, Fulton, Huntingdon, Juniata and 3 more | 59 min |
| Jul 25, 1:03 PM EDT | Tornado Warning | CTP | Dauphin, Lancaster | 27 min |
| Jul 25, 1:15 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster, Lebanon | 60 min |
| Jul 25, 1:22 PM EDT | Severe Thunderstorm Warning | CTP | Columbia, Montour, Northumberland, Schuylkill, Snyder, Union | 38 min |
| Jul 25, 1:28 PM EDT | Severe Thunderstorm Warning | CTP | Adams, Cumberland, Franklin, Lebanon, York | 77 min |
| Jul 25, 1:38 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster, York | 52 min |
| Jul 25, 1:54 PM EDT | Special Weather Statement | CTP | Schuylkill | 51 min |
| Jul 25, 2:06 PM EDT | Tornado Warning | CTP | York | 24 min |
| Jul 25, 2:33 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster, York | 42 min |
| Jul 25, 2:38 PM EDT | Areal Flood Advisory | CTP | Adams, Lancaster, York | 3 hr |
Nearby
Severe Thunderstorm Warnings in Pennsylvania, 2010Every severe thunderstorm warning in 2010
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.