Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 214, NWS State College, PA
NWS State College, PA issued this severe thunderstorm warning at Sep 4, 2001, 2:37 PM EDT for Schuylkill County, Pennsylvania. It was in force for 53 min. 1 report came from inside the area while it was in force.
The area
The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties, with what was reported inside it.
The facts
- Issued
- Sep 4, 2001, 2:37 PM EDT (18:37 UTC)
- Expired
- Sep 4, 2001, 3:30 PM EDT
- In force
- 53 min
- Issued by
- NWS State College, PA
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Schuylkill County, PA
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Sep 4, 3:27 PM EDT | Thunderstorm Wind 50 E | Cressona, PA | Trees were reported down in Cresson. |
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, 6.6 hours before the alert went out and 138 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
- 35 J/kg
- Mixed-layer CIN
- -94 J/kg
- Mixed-layer LCL
- 800 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 95 m²/s²
- 0-3 km storm-relative helicity
- 80 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
721 WUUS51 KCTP 041837 SVRCTP PAC107-041930- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE STATE COLLEGE PA ISSUED BY NWS BINGHAMTON NY 237 PM EDT TUE SEP 4 2001 THE NATIONAL WEATHER SERVICE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SCHUYLKILL COUNTY IN CENTRAL PENNSYLVANIA. * UNTIL 330 PM EDT. * AT 231 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM WITH DAMAGING WINDS...NEAR MOUNT CARMEL...OR ABOUT 4 MILES WEST OF GORDON...MOVING SOUTHEAST AT 50 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... CRESSONA AND POTTSVILLE AROUND 245 PM EDT. LANDINGVILLE AND SCHUYLKILL HAVEN AROUND 250 PM EDT. THIS IS A DANGEROUS STORM WITH DAMAGING WINDS. STAY INDOORS AWAY FROM WINDOWS. LAT...LON 4083 7639 4067 7650 4054 7630 4065 7601 $$ CHIARAMONTE
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 Sep 4, 10:30 AM EDT, 4 hours 7 minutes earlier.
Area forecast discussion, Sep 4, 10:30 AM EDT, 4 hours 7 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE STATE COLLEGE PA ISSUED BY NWS PITTSBURGH PA 1030 AM EDT TUE SEP 4 2001 LOW CLDS WILL GRDLY LIFT RMNDR OF MRNG. FRONTAL BNDRY WORKING THRU NWRN PA ATTM...WILL SLOWLY MOVE SEWD TWD M/D LINE BY EVE. WILL UP POPS TO 50 AMD RAISE WINDS UP TO 15 MPH. REST SAME. .CTP...NONE.
The office that day
Everything else NWS State College, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 4, 2:02 PM EDT | Severe Thunderstorm Warning | CTP | Northumberland, Union | 58 min |
Nearby
Severe Thunderstorm Warnings in Pennsylvania, 2001Every severe thunderstorm warning in 2001
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.