Alert archive / Pennsylvania / Tornado Warnings in 2000

Tornado Warning 1, NWS State College, PA

May 10, 2000Dauphin County, Pennsylvania

NWS State College, PA issued this tornado warning at May 10, 2000, 11:42 AM EDT for Dauphin County, Pennsylvania. It was in force for 33 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 10, 2000, 11:42 AM EDT (15:42 UTC)
Expired
May 10, 2000, 12:15 PM EDT
In force
33 min
Issued by
NWS State College, PA
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Dauphin County, PA

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
May 10, 11:15 AM EDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 3.7 hours before the alert went out and 124 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, Phillips Aaf/Abe, MD at 12:00Z on 2000-05-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 786 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, Phillips Aaf/Abe, MD at 12:00Z on 2000-05-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -75 square meters per square second.1939Sfc1 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
786 J/kg
Mixed-layer CIN
-165 J/kg
Mixed-layer LCL
1290 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
-75 m²/s²
0-3 km storm-relative helicity
2 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

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

541 
WFUS51 KCTP 101542
TORCTP
PAC043-101615-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE STATE COLLEGE PA
1142 AM EDT WED MAY 10 2000

THE NATIONAL WEATHER SERVICE IN STATE COLLEGE PA HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN DAUPHIN COUNTY.

* UNTIL 1215 PM EDT.

* AT 1138 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  THUNDERSTORM WITH A DEVELOPING TORNADO 3 MILES NORTHWEST OF
  LINGLESTOWN...MOVING NORTHEAST AT 25 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
  LYKENS...WILLIAMSTOWN AT 1210 PM EDT.

GO TO A BASEMENT OR A SMALL INTERIOR ROOM ON THE LOWEST FLOOR.

.END/ GRUMM/ONDREJIK

LAT...LON 4041 7693 4032 7681 4038 7668 4058 7658
          4066 7671

The office that day

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

IssuedProductOfficeCountiesLasted
May 10, 4:33 AM EDTSevere Thunderstorm WarningCTPElk57 min
May 10, 5:54 AM EDTSevere Thunderstorm WarningCTPMcKean36 min
May 10, 10:09 AM EDTSevere Thunderstorm WarningCTPLycoming51 min
May 10, 10:26 AM EDTSevere Thunderstorm WarningCTPSullivan64 min
May 10, 10:52 AM EDTSevere Thunderstorm WarningCTPElk53 min
May 10, 11:10 AM EDTSevere Thunderstorm WarningCTPCumberland, Dauphin, Perry65 min
May 10, 11:17 AM EDTSevere Thunderstorm WarningCTPClearfield58 min
May 10, 11:28 AM EDTSevere Thunderstorm WarningCTPMcKean62 min
May 10, 11:41 AM EDTSevere Thunderstorm WarningCTPCameron, Elk49 min
May 10, 11:48 AM EDTSevere Thunderstorm WarningCTPYork57 min
May 10, 12:05 PM EDTSevere Thunderstorm WarningCTPLebanon, Schuylkill55 min
May 10, 12:14 PM EDTSevere Thunderstorm WarningCTPCameron, Clearfield46 min
May 10, 12:19 PM EDTSevere Thunderstorm WarningCTPColumbia56 min
May 10, 12:28 PM EDTSevere Thunderstorm WarningCTPBlair62 min
May 10, 12:32 PM EDTSevere Thunderstorm WarningCTPBedford, Somerset58 min
May 10, 12:40 PM EDTSevere Thunderstorm WarningCTPCentre, Clinton65 min
May 10, 12:49 PM EDTSevere Thunderstorm WarningCTPTioga71 min
May 10, 12:58 PM EDTSevere Thunderstorm WarningCTPDauphin, Perry62 min
May 10, 1:05 PM EDTSevere Thunderstorm WarningCTPSchuylkill70 min
May 10, 1:09 PM EDTSevere Thunderstorm WarningCTPCumberland, Franklin66 min
May 10, 1:18 PM EDTSevere Thunderstorm WarningCTPHuntingdon57 min
May 10, 1:40 PM EDTSevere Thunderstorm WarningCTPNorthumberland65 min
May 10, 1:45 PM EDTSevere Thunderstorm WarningCTPClinton45 min
May 10, 1:58 PM EDTSevere Thunderstorm WarningCTPDauphin, Northumberland62 min
May 10, 2:12 PM EDTSevere Thunderstorm WarningCTPLycoming63 min
May 10, 2:17 PM EDTSevere Thunderstorm WarningCTPColumbia, Schuylkill58 min
May 10, 2:45 PM EDTSevere Thunderstorm WarningCTPAdams, Franklin60 min
May 10, 2:51 PM EDTSevere Thunderstorm WarningCTPSullivan39 min
May 10, 3:07 PM EDTSevere Thunderstorm WarningCTPColumbia, Northumberland68 min
May 10, 3:19 PM EDTSevere Thunderstorm WarningCTPDauphin, York86 min
May 10, 3:56 PM EDTSevere Thunderstorm WarningCTPLancaster64 min
May 10, 4:27 PM EDTTornado WarningCTPLancaster48 min

Nearby

Tornado Warnings in Pennsylvania, 2000Every tornado warning in 2000Tornadoes 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.