Alert archive / Pennsylvania / Tornado Warnings in 1999
Tornado Warning 2, NWS State College, PA
NWS State College, PA issued this tornado warning at Jul 1, 1999, 6:50 PM EDT for Sullivan County, Pennsylvania. It was in force for 55 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Jul 1, 1999, 6:50 PM EDT (22:50 UTC)
- Expired
- Jul 1, 1999, 7:45 PM EDT
- In force
- 55 min
- Issued by
- NWS State College, PA
- Area
- Whole counties
County Sullivan County, PA
The radar
The Binghamton radar (KBGM), 95 km from the middle of the area, began a volume at 22:51 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
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 1, 7:30 PM EDT | Tornado F1 | Hugos Corners, PA | An F1 tornado touched down in Elkland township about two miles northwest of Lincoln Falls on route 154, then moved northeast through a crossroads near Eldredsville to Hugo corners. Trees were blown down as the storm crossed route 154. Just west of McCarty Ri |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The nearest sounding before it
Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 10.8 hours before the alert went out and 222 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
- 82 J/kg
- Mixed-layer CIN
- -53 J/kg
- Mixed-layer LCL
- 585 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 56 m²/s²
- 0-3 km storm-relative helicity
- 78 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
786 WFUS01 KCTP 012254 RRA TORCTP PAC113-012345- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE STATE COLLEGE PA 650 PM EDT THU JUL 1 1999 THE NATIONAL WEATHER SERVICE IN STATE COLLEGE PA HAS ISSUED A * TORNADO WARNING FOR... NORTHERN SULLIVAN COUNTY. * UNTIL 745 PM EDT. * AT 647 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A THUNDERSTORM WITH A DEVELOPING TORNADO IN NORTHERN LYCOMING COUNTY OR 15 MILES WEST OF FORKSVILLE...MOVING NORTHEAST AT 25 MPH. * THE TORNADO IS EXPECTED TO BE NEAR... SHUNK AND WHEELERVILLE AT 725 PM EDT. FORKSVILLE AT 730 PM EDT. GO TO A BASEMENT OR A SMALL INTERIOR ROOM ON THE LOWEST FLOOR. IF YOU ARE IN A MOBILE HOME...ABANDON IT AND GO TO A NEARBY STURDY BUILDING. AS A LAST RESORT...LIE FLAT IN A DITCH AND COVER YOUR HEAD .END/DANGELO
The office that day
Everything else NWS State College, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 1, 5:14 PM EDT | Severe Thunderstorm Warning | CTP | Bedford | 46 min |
| Jul 1, 5:39 PM EDT | Severe Thunderstorm Warning | CTP | Fulton | 51 min |
| Jul 1, 6:20 PM EDT | Severe Thunderstorm Warning | CTP | Franklin | 55 min |
| Jul 1, 6:33 PM EDT | Tornado Warning | CTP | Lycoming | 37 min |
Nearby
Tornado Warnings in Pennsylvania, 1999Every tornado warning in 1999Tornadoes in 1999
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.