Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 21, NWS State College, PA

May 10, 2000Cameron County, Clearfield County, Pennsylvania

NWS State College, PA issued this severe thunderstorm warning at May 10, 2000, 12:14 PM EDT for Cameron County, Clearfield County, Pennsylvania. It was in force for 46 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
May 10, 2000, 12:14 PM EDT (16:14 UTC)
Expired
May 10, 2000, 1:00 PM EDT
In force
46 min
Issued by
NWS State College, PA
Area
Whole counties

Counties Cameron County, PA, Clearfield 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, 10:45 AM EDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 4.2 hours before the alert went out and 173 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 2000-05-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 590 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 2000-05-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 108 square meters per square second.19395878Sfc1 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
590 J/kg
Mixed-layer CIN
-40 J/kg
Mixed-layer LCL
1098 m above ground
0-6 km bulk shear
68 kt
0-1 km storm-relative helicity
108 m²/s²
0-3 km storm-relative helicity
127 m²/s²
Significant tornado parameter
0.4
Supercell composite
1.1

Open this sounding in Storm Lab

The text

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

000 
WUUS51 KCTP 101616
SVRCTP
PAC023-033-101700-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE STATE COLLEGE PA
1214 PM EDT WED MAY 10 2000

THE NATIONAL WEATHER SERVICE IN STATE COLLEGE PA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CAMERON COUNTY.
  NORTHERN CLEARFIELD COUNTY.

* UNTIL 100 PM.

* AT 1207 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A   
SEVERE THUNDERSTORM WITH LARGE HAIL AND DAMAGING WINDS 11 MILES   
NORTH OF CLEARFIELD...OR ABOUT 16 MILES SOUTHWEST OF DRIFTWOOD...  
MOVING NORTHEAST AT 50 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  DRIFTWOOD AT 1225 PM.

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

.END/

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, 11:42 AM EDTTornado WarningCTPDauphin33 min
May 10, 11:48 AM EDTSevere Thunderstorm WarningCTPYork57 min
May 10, 12:05 PM EDTSevere Thunderstorm WarningCTPLebanon, Schuylkill55 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

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.