Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 83, NWS State College, PA

May 24, 2000Centre County, Clearfield County, Pennsylvania

NWS State College, PA issued this severe thunderstorm warning at May 24, 2000, 4:25 PM EDT for Centre County, Clearfield County, Pennsylvania. It was in force for 50 min. 3 reports 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
May 24, 2000, 4:25 PM EDT (20:25 UTC)
Expired
May 24, 2000, 5:15 PM EDT
In force
50 min
Issued by
NWS State College, PA
Area
Whole counties; the outline is the Mesonet’s reconstruction

Counties Centre County, PA, Clearfield County, PA

What was reported inside it

TimeReportWhereRemark
May 24, 4:30 PM EDTHail 0.88Hawk Run, PA
May 24, 5:10 PM EDTHail 1Philipsburg, PA
May 24, 5:10 PM EDTHail 1State College, PAOne inch hail was reported at the University Park Airport.

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.

IssuedProductOfficeLasted
May 24, 3:00 PM EDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 8.4 hours before the alert went out and 179 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.

Skew-T log-pSkew-T log-p diagram, Pittsburgh, PA at 12:00Z on 2000-05-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 348 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Pittsburgh, PA at 12:00Z on 2000-05-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 88 square meters per square second.1939587897117136Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
348 J/kg
Mixed-layer CIN
-25 J/kg
Mixed-layer LCL
853 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
88 m²/s²
0-3 km storm-relative helicity
154 m²/s²
Significant tornado parameter
0.2
Supercell composite
1.9

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

420 
WUUS51 KCTP 242027
SVRCTP
PAC027-033-242115-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE STATE COLLEGE PA
425 PM EDT WED MAY 24 2000

THE NATIONAL WEATHER SERVICE IN STATE COLLEGE PA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CENTRE COUNTY.
  EASTERN CLEARFIELD COUNTY.

* UNTIL 515 PM EDT.

* AT 419 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 7 MILES SOUTHEAST OF CLEARFIELD...OR ABOUT 3
  MILES SOUTHWEST OF WALLACETON...MOVING EAST AT 40 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  PORT MATILDA AT 445 PM EDT.
  STATE COLLEGE AND UNIONVILLE AT 455 PM EDT.
  BELLEFONTE...MILESBURG AT 500 PM EDT.
  PLEASANT GAP AT 505 PM EDT.

THIS IS A DANGEROUS STORM. STAY INDOORS AWAY FROM WINDOWS.

.END/ LAMBERT/ LA CORTE

LAT...LON 4105 7835 4082 7844 4074 7793 4091 7755
          4105 7798

The office that day

Everything else NWS State College, PA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 24, 2:58 AM EDTSevere Thunderstorm WarningCTPWarren47 min
May 24, 12:45 PM EDTSevere Thunderstorm WarningCTPElk30 min
May 24, 1:29 PM EDTSevere Thunderstorm WarningCTPElk31 min
May 24, 1:46 PM EDTSevere Thunderstorm WarningCTPCameron29 min
May 24, 2:06 PM EDTSevere Thunderstorm WarningCTPYork39 min
May 24, 2:07 PM EDTSevere Thunderstorm WarningCTPAdams, Franklin38 min
May 24, 2:12 PM EDTSevere Thunderstorm WarningCTPColumbia33 min
May 24, 2:16 PM EDTSevere Thunderstorm WarningCTPClinton59 min
May 24, 2:33 PM EDTSevere Thunderstorm WarningCTPCentre57 min
May 24, 2:48 PM EDTSevere Thunderstorm WarningCTPAdams57 min
May 24, 2:53 PM EDTSevere Thunderstorm WarningCTPYork67 min
May 24, 3:10 PM EDTSevere Thunderstorm WarningCTPClinton20 min
May 24, 3:16 PM EDTSevere Thunderstorm WarningCTPLancaster59 min
May 24, 3:21 PM EDTSevere Thunderstorm WarningCTPUnion39 min
May 24, 4:15 PM EDTSevere Thunderstorm WarningCTPClearfield45 min
May 24, 4:32 PM EDTSevere Thunderstorm WarningCTPSchuylkill43 min
May 24, 4:40 PM EDTSevere Thunderstorm WarningCTPCambria35 min
May 24, 5:15 PM EDTSevere Thunderstorm WarningCTPCentre60 min
May 24, 5:22 PM EDTSevere Thunderstorm WarningCTPMifflin53 min
May 24, 5:43 PM EDTSevere Thunderstorm WarningCTPJuniata, Snyder47 min
May 24, 6:07 PM EDTSevere Thunderstorm WarningCTPDauphin, Northumberland53 min
May 24, 6:28 PM EDTSevere Thunderstorm WarningCTPLebanon, Schuylkill47 min
May 24, 7:15 PM EDTSevere Thunderstorm WarningCTPLebanon15 min
May 24, 7:44 PM EDTSevere Thunderstorm WarningCTPLancaster46 min

Nearby

Severe Thunderstorm Warnings in Pennsylvania, 2000Every severe thunderstorm warning in 2000

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.