Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 85, NWS State College, PA

May 24, 2000Cambria County, Pennsylvania

NWS State College, PA issued this severe thunderstorm warning at May 24, 2000, 4:40 PM EDT for Cambria County, Pennsylvania. It was in force for 35 min. No storm report in the archive falls 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.

The facts

Issued
May 24, 2000, 4:40 PM EDT (20:40 UTC)
Expired
May 24, 2000, 5:15 PM EDT
In force
35 min
Issued by
NWS State College, PA
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Cambria County, PA

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, 8.7 hours before the alert went out and 96 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.

333 
WUUS51 KCTP 242041
SVRCTP
PAC021-242115-

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

THE NATIONAL WEATHER SERVICE IN STATE COLLEGE PA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CAMBRIA COUNTY.

* UNTIL 515 PM EDT.

* AT 435 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  A SEVERE THUNDERSTORM 15 MILES NORTHEAST OF JOHNSTOWN...MOVING
  SOUTHEAST AT 35 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  VINTONDALE AND NANTY-GLO AT 445 PM EDT.
  THE NORTHERN SUBURBS OF JOHNSTOWN AT 450 PM EDT.
  EHRENFELD AND SOUTH FORK AT 455 PM EDT.
  PORTAGE AND BEAVERDALE AT 500 PM EDT.

THIS IS A DANGEROUS STORM WITH DAMAGING WINDS AND LARGE HAIL. STAY
INDOORS AWAY FROM WINDOWS.

INTENSE LIGHTNING IS OCCURRING WITH THIS STORM. STAY INDOORS AWAY
FROM WINDOWS.

.END/DANGELO

LAT...LON 4058 7917 4041 7927 4020 7867 4052 7853

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, 4:25 PM EDTSevere Thunderstorm WarningCTPCentre, Clearfield50 min
May 24, 4:32 PM EDTSevere Thunderstorm WarningCTPSchuylkill43 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; the sounding from the Mesonet's radiosonde archive.