Alert archive / Pennsylvania / Tornado Warnings in 2000

Tornado Warning 21, NWS State College, PA

August 16, 2000Cameron County, Elk County, Pennsylvania

NWS State College, PA issued this tornado warning at Aug 16, 2000, 12:23 AM EDT for Cameron County, Elk County, Pennsylvania. It was in force for 37 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, 2000, 12:23 AM EDT (04:23 UTC)
Expired
Aug 16, 2000, 1:00 AM EDT
In force
37 min
Issued by
NWS State College, PA
Area
Whole counties

Counties Cameron County, PA, Elk County, PA

The watch it was issued in

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

IssuedProductOfficeLasted
Aug 15, 10:00 PM EDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 00:00Z, 4.4 hours before the alert went out and 168 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, Buffalo Intl Airport, NY at 00:00Z on 2000-08-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 724 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, Buffalo Intl Airport, NY at 00:00Z on 2000-08-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 101 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
724 J/kg
Mixed-layer CIN
-78 J/kg
Mixed-layer LCL
1141 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
101 m²/s²
0-3 km storm-relative helicity
141 m²/s²
Significant tornado parameter
0.2
Supercell composite
2.4

Open this sounding in Storm Lab

The text

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

561 
WFUS51 KCTP 160423
TORCTP
PAC023-047-160500-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE STATE COLLEGE PA
1223 AM EDT WED AUG 16 2000

THE NATIONAL WEATHER SERVICE IN STATE COLLEGE PA HAS ISSUED A

* TORNADO WARNING FOR...
  ELK COUNTY.
  CAMERON COUNTY.

* UNTIL 100 AM EDT.

* AT 1213 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  DEVELOPING TORNADO 15 MILES WEST OF EMPORIUM...OR 10 MILES
  NORTHEAST OF JOHNSONBURG...MOVING EAST AT 35 MPH.

* THE TORNADO WILL BE NEAR...
  EMPORIUM AT 1235 AM.
  DRIFTWOOD AT 1250 AM.

FOR YOUR PROTECTION...GO TO A BASEMENT OR A SMALL INTERIOR ROOM ON
THE LOWEST FLOOR OF YOUR HOME OR BUSINESS NOW

$$
MSE/DJO
LAT...LON 4166 7849 4149 7856 4131 7811 4156 7817

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 15, 10:43 PM EDTSevere Thunderstorm WarningCTPWarren62 min
Aug 15, 11:07 PM EDTSevere Thunderstorm WarningCTPMcKean53 min
Aug 15, 11:11 PM EDTSevere Thunderstorm WarningCTPElk64 min
Aug 16, 12:16 AM EDTSevere Thunderstorm WarningCTPCameron, Elk59 min
Aug 16, 12:50 AM EDTSevere Thunderstorm WarningCTPCentre, Clinton55 min
Aug 16, 12:55 AM EDTSevere Thunderstorm WarningCTPCameron35 min
Aug 16, 2:51 AM EDTSevere Thunderstorm WarningCTPDauphin, Northumberland, Schuylkill54 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.