Alert archive / Pennsylvania / Tornado Warnings in 2004
Tornado Warning 11, NWS State College, PA
NWS State College, PA issued this tornado warning at Aug 4, 2004, 6:02 PM EDT for Cumberland County, Dauphin County, Pennsylvania. It was in force for 43 min. 3 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Aug 4, 2004, 6:02 PM EDT (22:02 UTC)
- Expired
- Aug 4, 2004, 6:45 PM EDT
- In force
- 43 min
- Issued by
- NWS State College, PA
- Area
- Counties, with a storm outline in the text
Counties Cumberland County, PA, Dauphin County, PA
The radar
The State College radar (KCCX), 120 km from the middle of the area, began a volume at 22:04 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 |
|---|---|---|---|
| Aug 4, 6:20 PM EDT | TSTM WND DMG | Harrisburg, PA | SEVERAL TREES DOWN ON 14TH AND MARKET STREET...ALSO ON FRONT STREET. |
| Aug 4, 6:28 PM EDT | TSTM WND DMG | 1 N Colonial Park, PA | SEVERAL TREES DOWN AT INTERSECTION OF HIGHWAY 322 AND HIGHWAY 83 |
| Aug 4, 6:30 PM EDT | TSTM WND DMG | 7 Se New Cumberland, PA | STRUCTORAL DAMAGE SHEEPBRIDGE ROAD...POTENTIAL TORNADO |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Aug 4, 2:55 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Washington/Dulle, VA (KIAD), launched 12:00Z, 10.0 hours before the alert went out and 152 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
- 24 J/kg
- Mixed-layer CIN
- -92 J/kg
- Mixed-layer LCL
- 1125 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- -2 m²/s²
- 0-3 km storm-relative helicity
- -4 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WFUS51 KCTP 042202 TORCTP PAC041-043-042245- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE STATE COLLEGE PA 602 PM EDT WED AUG 4 2004 THE NATIONAL WEATHER SERVICE IN STATE COLLEGE PA HAS ISSUED A * TORNADO WARNING FOR... CUMBERLAND COUNTY IN SOUTH CENTRAL PENNSYLVANIA DAUPHIN COUNTY IN SOUTH CENTRAL PENNSYLVANIA * UNTIL 645 PM EDT * AT 555 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM WITH STRONG ROTATION NEAR LEMOYNE...MOVING EAST AT 35 MPH. THIS DANGEROUS STORM COULD PRODUCE A TORNADO AT ANY TIME. * THE TORNADO IS EXPECTED TO BE NEAR... RUTHERFORD HEIGHTS AND HIGHSPIRE AROUND 605 PM EDT... CLIFTON AND HUMMELSTOWN AND MIDDLETOWN AROUND 610 PM EDT... HERSHEY AROUND 615 PM EDT... FOR YOUR PROTECTION FROM THE DAMAGING WINDS OF A TORNADO...GO TO A BASEMENT OR A SMALL INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. PLEASE REPORT HAIL...STRONG WINDS OR WIND DAMAGE TO THE NATIONAL WEATHER SERVICE BY CALLING TOLL FREE...1-877-633-6772. LAT...LON 4035 7709 4015 7709 4013 7656 4033 7659 RXR/DJO/JV $$
The office that day
Everything else NWS State College, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 4, 2:30 PM EDT | Severe Thunderstorm Warning | CTP | Clearfield | 75 min |
| Aug 4, 2:49 PM EDT | Tornado Warning | CTP | Clearfield | 26 min |
| Aug 4, 3:22 PM EDT | Severe Thunderstorm Warning | CTP | Cambria, Somerset | 53 min |
| Aug 4, 3:57 PM EDT | Severe Thunderstorm Warning | CTP | Centre | 63 min |
| Aug 4, 4:09 PM EDT | Severe Thunderstorm Warning | CTP | Bedford, Blair, Cambria, Somerset | 66 min |
| Aug 4, 4:20 PM EDT | Severe Thunderstorm Warning | CTP | Juniata, Perry | 55 min |
| Aug 4, 4:24 PM EDT | Severe Thunderstorm Warning | CTP | Mifflin | 36 min |
| Aug 4, 4:41 PM EDT | Severe Thunderstorm Warning | CTP | Huntingdon | 64 min |
| Aug 4, 4:45 PM EDT | Severe Thunderstorm Warning | CTP | Snyder, Union | 60 min |
| Aug 4, 4:54 PM EDT | Severe Thunderstorm Warning | CTP | Fulton | 36 min |
| Aug 4, 5:14 PM EDT | Severe Thunderstorm Warning | CTP | Juniata, Perry | 61 min |
| Aug 4, 5:19 PM EDT | Severe Thunderstorm Warning | CTP | Franklin | 71 min |
| Aug 4, 5:25 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin, Northumberland | 65 min |
| Aug 4, 5:43 PM EDT | Severe Thunderstorm Warning | CTP | Cumberland | 62 min |
| Aug 4, 6:06 PM EDT | Severe Thunderstorm Warning | CTP | York | 54 min |
| Aug 4, 6:12 PM EDT | Tornado Warning | CTP | York | 48 min |
| Aug 4, 6:17 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster, Lebanon | 73 min |
| Aug 4, 6:36 PM EDT | Tornado Warning | CTP | Lancaster | 39 min |
| Aug 4, 6:58 PM EDT | Tornado Warning | CTP | York | 32 min |
| Aug 4, 7:13 PM EDT | Tornado Warning | CTP | Lancaster | 47 min |
Nearby
Tornado Warnings in Pennsylvania, 2004Every tornado warning in 2004Tornadoes in 2004
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.