Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 73, NWS State College, PA

May 24, 2000Adams County, Franklin County, Pennsylvania

NWS State College, PA issued this severe thunderstorm warning at May 24, 2000, 2:07 PM EDT for Adams County, Franklin County, Pennsylvania. It was in force for 38 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, 2:07 PM EDT (18:07 UTC)
Expired
May 24, 2000, 2:45 PM EDT
In force
38 min
Issued by
NWS State College, PA
Area
Whole counties; the outline is the Mesonet’s reconstruction

Counties Adams County, PA, Franklin County, PA

The radar

The Sterling radar (KLWX), 106 km from the middle of the area, began a volume at 18:09 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.

The nearest sounding before it

Washington/Dulle, VA (KIAD), launched 12:00Z, 6.1 hours before the alert went out and 109 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, Washington/Dulle, VA at 12:00Z on 2000-05-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 37 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Washington/Dulle, VA at 12:00Z on 2000-05-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -17 square meters per square second.1939587897117Sfc1 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
37 J/kg
Mixed-layer CIN
-277 J/kg
Mixed-layer LCL
1255 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
-17 m²/s²
0-3 km storm-relative helicity
9 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
WUUS51 KCTP 241809
SVRCTP
PAC001-055-241845-
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE STATE COLLEGE PA
207 PM EDT WED MAY 24 2000

THE NATIONAL WEATHER SERVICE IN STATE COLLEGE PA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WESTERN ADAMS COUNTY.
  EASTERN FRANKLIN COUNTY.

* UNTIL 245 PM EDT.

* AT 205 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 5 MILES EAST OF CHAMBERSBURG...OR ABOUT OVER
  FAYETTEVILLE...MOVING EAST AT 30 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  CALEDONIA STATE PARK AT 230 PM EDT.

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

.END/ LAMBERT/ LA COR TE

LAT...LON 4000 7764 3982 7766 3979 7726 3999 7733
          3997 7747

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, 2:12 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, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.