Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2008
Severe Thunderstorm Warning 133, NWS State College, PA
NWS State College, PA issued this severe thunderstorm warning at Jul 27, 2008, 12:00 PM EDT for Lancaster County, Pennsylvania. It was in force for 60 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 27, 2008, 12:00 PM EDT (16:00 UTC)
- Expired
- Jul 27, 2008, 1:00 PM EDT
- In force
- 60 min
- Issued by
- NWS State College, PA
- Area
- Storm-based polygon
County Lancaster County, PA
The radar
The Dover AFB radar (KDOX), 152 km from the middle of the area, began a volume at 16:01 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 27, 11:26 AM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
The nearest sounding before it
Washington/Dulle, VA (KIAD), launched 12:00Z, 4.0 hours before the alert went out and 157 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
- 1356 J/kg
- Mixed-layer CIN
- -70 J/kg
- Mixed-layer LCL
- 1062 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- -17 m²/s²
- 0-3 km storm-relative helicity
- 63 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.3
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 27, 10:20 AM EDT, 1 hour 40 minutes earlier.
Area forecast discussion, Jul 27, 10:20 AM EDT, 1 hour 40 minutes before
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</html>Hazardous weather outlook, Jul 27, 3:50 AM EDT, 8 hours 10 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE STATE COLLEGE PA 350 AM EDT SUN JUL 27 2008 PAZ004>006-010>012-017>019-024>028-033>037-041-042-045-046-049-050- 280800- 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- 350 AM EDT SUN JUL 27 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...MONDAY THROUGH SATURDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. PAZ051>053-056>059-063>066-280800- MONTOUR-NORTHUMBERLAND-COLUMBIA-PERRY-DAUPHIN-SCHUYLKILL-LEBANON- CUMBERLAND-ADAMS-YORK-LANCASTER- 350 AM EDT SUN JUL 27 2008 THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL PENNSYLVANIA. .DAY ONE...TODAY AND TONIGHT THERE IS A SLIGHT RISK FOR SEVERE THUNDERSTORMS TODAY. THE MAIN THREATS WILL BE DAMAGING WIND GUSTS AND LARGE HAIL. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS POSSIBLE.
In the hours before
Special weather statement, Jul 27, 11:13 AM EDT, 47 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE STATE COLLEGE PA 1113 AM EDT SUN JUL 27 2008 PAZ026-036-063-271545- CUMBERLAND PA-FRANKLIN PA-HUNTINGDON PA- 1113 AM EDT SUN JUL 27 2008 ...A STRONG THUNDERSTORM WILL AFFECT NORTH CENTRAL FRANKLIN... SOUTHEASTERN HUNTINGDON AND WESTERN CUMBERLAND COUNTIES... AT 1107 AM EDT...A STRONG THUNDERSTORM WAS LOCATED 15 MILES NORTHWEST OF SHIPPENSBURG...MOVING EAST AT 28 MPH. WIND GUSTS TO 40 MPH AND HAIL UP TO DIME SIZE ARE POSSIBLE WITH THIS STORM. THIS STORM WILL BE NEAR ROXBURY AROUND 1120 AM...ORRSTOWN AROUND 1125 AM...NEWBURG AROUND 1130 AM...SHIPPENSBURG AROUND 1135 AM AND NEWVILLE AROUND 1145 AM. THIS WILL IMPACT THE FOLLOWING CENTRAL PENNSYLVANIA INTERSTATES...THE PENNSYLVANIA TURNPIKE BETWEEN MILE MARKERS 187 AND 222...I-70 BETWEEN MILE MARKERS 187 AND 222. THIS WILL ALSO IMPACT THE FOLLOWING MAJOR ROADS...ROUTE 11. FORECASTER: DEVOIR
Special weather statement, Jul 27, 11:43 AM EDT, 17 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 27, 11:17 AM EDT | Severe Thunderstorm Warning | CTP | Cumberland, Franklin, Huntingdon | 58 min |
| Jul 27, 11:46 AM EDT | Severe Thunderstorm Warning | CTP | Adams, York | 59 min |
| Jul 27, 11:58 AM EDT | Severe Thunderstorm Warning | CTP | Lancaster, Lebanon | 17 min |
| Jul 27, 12:27 PM EDT | Tornado Warning | CTP | York | 33 min |
| Jul 27, 12:33 PM EDT | Severe Thunderstorm Warning | CTP | Adams, Franklin, York | 57 min |
| Jul 27, 12:36 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 24 min |
| Jul 27, 12:47 PM EDT | Tornado Warning | CTP | Adams, York | 43 min |
| Jul 27, 12:54 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster, York | 66 min |
| Jul 27, 1:21 PM EDT | Severe Thunderstorm Warning | CTP | Adams, Lancaster, York | 52 min |
| Jul 27, 4:52 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 23 min |
| Jul 27, 5:45 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 90 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.