Alert archive / Pennsylvania / Tornado Warnings in 2002
Tornado Warning 1, NWS Cleveland, OH
NWS Cleveland, OH issued this tornado warning at Apr 15, 2002, 5:42 PM EDT for Crawford County, Pennsylvania. It was in force for 48 min. 4 reports 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
- Apr 15, 2002, 5:42 PM EDT (21:42 UTC)
- Expired
- Apr 15, 2002, 6:30 PM EDT
- In force
- 48 min
- Issued by
- NWS Cleveland, OH
- Area
- Whole counties
County Crawford County, PA
The radar
The Pittsburgh radar (KPBZ), 129 km from the middle of the area, began a volume at 21:45 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 |
|---|---|---|---|
| Apr 15, 5:48 PM EDT | Hail 1 | Meadville, PA | Quarter size hail was reported three miles north of Meadville. |
| Apr 15, 6:10 PM EDT | Thunderstorm Wind | Saegertown, PA | Thunderstorm winds downed several trees. |
| Apr 15, 6:15 PM EDT | Hail 1 | Meadville, PA | Quarter size hail was reported. |
| Apr 15, 6:28 PM EDT | Hail 1 | Meadville, PA | Quarter size hail was reported eight miles east of Meadville. |
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
Pittsburgh, PA (KPIT), launched 12:00Z, 9.7 hours before the alert went out and 142 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
- 67 J/kg
- Mixed-layer CIN
- -30 J/kg
- Mixed-layer LCL
- 620 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- 192 m²/s²
- 0-3 km storm-relative helicity
- 243 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 KCLE 152142 TORCLE PAC039-152230- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE CLEVELAND OH 542 PM EDT MON APR 15 2002 THE NATIONAL WEATHER SERVICE HAS ISSUED A * TORNADO WARNING FOR... CRAWFORD COUNTY IN PENNSYLVANIA... * UNTIL 630 PM EDT * AT 542 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 4 MILES SOUTHWEST OF CAMBRIDGE SPRINGS...OR ABOUT 8 MILES NORTH OF MEADVILLE...MOVING EAST AT 25 MPH. * SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE... CAMBRIDGE SPRINGS MEADVILLE THIS WARNING REPLACES THE SEVERE THUNDERSTORM WARNING PREVIOUSLY ISSUED FOR THE WARNED AREA. $$ ADAMS
The office that day
Everything else NWS Cleveland, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 15, 5:12 PM EDT | Severe Thunderstorm Warning | CLE | Crawford, Erie | 63 min |
| Apr 15, 6:30 PM EDT | Severe Thunderstorm Warning | CLE | Crawford | 30 min |
| Apr 15, 6:32 PM EDT | Flash Flood Warning | CLE | Crawford | 118 min |
Nearby
Tornado Warnings in Pennsylvania, 2002Every tornado warning in 2002Tornadoes in 2002
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.