Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2002
Severe Thunderstorm Warning 4, NWS State College, PA
NWS State College, PA issued this severe thunderstorm warning at Mar 9, 2002, 10:45 PM EST for Dauphin County, Lebanon County, Schuylkill County, Pennsylvania. It was in force for 60 min. 3 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
- Mar 9, 2002, 10:45 PM EST (03:45 UTC)
- Expired
- Mar 9, 2002, 11:45 PM EST
- In force
- 60 min
- Issued by
- NWS State College, PA
- Area
- Whole counties
Counties Dauphin County, PA, Lebanon County, PA, Schuylkill County, PA
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Mar 9, 11:15 PM EST | Thunderstorm Wind 50 E | Harrisburg, PA | Trees and wires were down. |
| Mar 9, 11:35 PM EST | Thunderstorm Wind 50 E | Tamaqua, PA | Trees and wires were down. |
| Mar 9, 11:41 PM EST | Thunderstorm Wind 50 E | Lebanon, PA | Trees and wires were reported down in Lebanon. |
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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Mar 9, 8:30 PM EST | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Washington/Dulle, VA (KIAD), launched 00:00Z, 3.8 hours before the alert went out and 189 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
- 445 J/kg
- Mixed-layer CIN
- -17 J/kg
- Mixed-layer LCL
- 657 m above ground
- 0-6 km bulk shear
- 56 kt
- 0-1 km storm-relative helicity
- 375 m²/s²
- 0-3 km storm-relative helicity
- 418 m²/s²
- Significant tornado parameter
- 0.6
- Supercell composite
- 4.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS51 KCTP 100344 SVRCTP PAC081-113-100415- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE STATE COLLEGE PA 1043 PM EST SAT MAR 9 2002 THE NATIONAL WEATHER SERVICE IN STATE COLLEGE PA HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SULLIVAN COUNTY IN PENNSYLVANIA LYCOMING COUNTY IN PENNSYLVANIA * UNTIL 1115 PM EST. * AT 1043 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS FROM 3 MILES EAST OF SHUNK TO MUNCY... MOVING EAST AT 45 MPH. * SEVERE THUNDERSTORMS WILL BE NEAR... HUGHESVILLE AT 1045 PM. MUNCY VALLEY AT 1050 PM. LAPORTE AT 1100 PM. DUSHORE AT 1110 PM. THIS IS A DANGEROUS STORM. STAY INDOORS AWAY FROM WINDOWS. SEVERE THUNDERSTORMS CONTAIN DAMAGING WINDS 58 MPH OR STRONGER OR HAIL THREE QUARTERS OF AN INCH OR LARGER. HAIL...INTENSE RAIN AND STRONG DAMAGING WINDS ARE LIKELY WITH THIS STORM. TAKE COVER IN A SUBSTANTIAL SHELTER UNTIL THE STORM PASSES. $$ LAT...LON 4165 7677 4115 7682 4149 7595 4196 7566
The office that day
Everything else NWS State College, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 9, 10:33 PM EST | Severe Thunderstorm Warning | CTP | Columbia, Montour, Northumberland, Snyder, Union | 42 min |
| Mar 9, 10:44 PM EST | Severe Thunderstorm Warning | CTP | Lycoming, Sullivan | 31 min |
| Mar 9, 11:17 PM EST | Severe Thunderstorm Warning | CTP | Lancaster, York | 73 min |
Nearby
Severe Thunderstorm Warnings in Pennsylvania, 2002Every severe thunderstorm warning 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.