Alert archive / Pennsylvania / Tornado Warnings in 2001

Tornado Warning 12, NWS State College, PA

August 16, 2001Clearfield County, Pennsylvania

NWS State College, PA issued this tornado warning at Aug 16, 2001, 8:13 PM EDT for Clearfield County, Pennsylvania. It was in force for 32 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
Aug 16, 2001, 8:13 PM EDT (00:13 UTC)
Expired
Aug 16, 2001, 8:45 PM EDT
In force
32 min
Issued by
NWS State College, PA
Area
Whole counties

County Clearfield County, PA

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 00:00Z, 0.2 hours before the alert went out and 152 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 00:00Z on 2001-08-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 357 joules per kilogram.LCLEL10008507005003002001001 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 00:00Z on 2001-08-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 69 square meters per square second.193958Sfc1 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
357 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
1283 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
69 m²/s²
0-3 km storm-relative helicity
122 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.0

Open this sounding in Storm Lab

The text

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

568 
WFUS51 KCTP 170015
TORCTP
PAC033-170045-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE STATE COLLEGE PA
813 PM EDT THU AUG 16 2001

THE NATIONAL WEATHER SERVICE IN STATE COLLEGE PA HAS ISSUED A

* TORNADO WARNING FOR...
  CLEARFIELD COUNTY IN PENNSYLVANIA

* UNTIL 845 PM EDT.

* AT 813 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING    
  A TORNADO 3 MILES SOUTHEAST OF PARKER DAM STATE PARK...OR 7 MILES  
  NORTH OF CLEARFIELD...MOVING NORTHEAST AT 25 MPH.

* THE TORNADO WILL REMAIN OVER MAINLY RURAL AREAS OF...
  NORTHERN CLEARFIELD AND NORTHEASTERN CLEARFIELD COUNTIES.

FOR YOUR PROTECTION FROM THE DAMAGING WINDS OF A TORNADO...GO TO A
BASEMENT OR A SMALL INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR
BUSINESS.

$$

LAT...LON 4115 7846 4112 7843 4122 7818 4123 7839

&

LAMBERT

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 16, 8:45 PM EDTTornado WarningCTPCameron, Clinton30 min
Aug 16, 9:19 PM EDTSevere Thunderstorm WarningCTPClinton56 min
Aug 16, 9:34 PM EDTSevere Thunderstorm WarningCTPClearfield41 min
Aug 16, 9:59 PM EDTSevere Thunderstorm WarningCTPCentre61 min

Nearby

Tornado Warnings in Pennsylvania, 2001Every tornado warning in 2001Tornadoes in 2001

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.