Alert archive / Pennsylvania / Tornado Warnings in 2000

Tornado Warning 19, NWS State College, PA

August 1, 2000Lycoming County, Sullivan County, Pennsylvania

NWS State College, PA issued this tornado warning at Aug 1, 2000, 4:11 PM EDT for Lycoming County, Sullivan County, Pennsylvania. It was in force for 34 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Aug 1, 2000, 4:11 PM EDT (20:11 UTC)
Expired
Aug 1, 2000, 4:45 PM EDT
In force
34 min
Issued by
NWS State College, PA
Area
Whole counties

Counties Lycoming County, PA, Sullivan County, PA

The radar

The Binghamton radar (KBGM), 112 km from the middle of the area, began a volume at 20:11 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.

What was reported inside it

TimeReportWhereRemark
Aug 1, 4:45 PM EDTHail 0.75Sonestown, PADime size hail fell in Sonestown.

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 8.2 hours before the alert went out and 232 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 12:00Z on 2000-08-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 765 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 12:00Z on 2000-08-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 27 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
765 J/kg
Mixed-layer CIN
-18 J/kg
Mixed-layer LCL
698 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
27 m²/s²
0-3 km storm-relative helicity
39 m²/s²
Significant tornado parameter
0.1
Supercell composite
0.7

Open this sounding in Storm Lab

The text

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

000 
WFUS51 KCTP 012011
TORCTP

PAC081-113-012045-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE STATE COLLEGE PA
411 PM EDT TUE AUG 1 2000

THE NATIONAL WEATHER SERVICE IN STATE COLLEGE PA HAS ISSUED A

* TORNADO WARNING FOR...
  SULLIVAN COUNTY.
  LYCOMING COUNTY.

* UNTIL 445 PM EDT.

* AT 407 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  POSSIBLE TORNADO 5 MILES NORTH OF PICTURE ROCKS...OR 13 MILES
  NORTHEAST OF MONTOURSVILLE...MOVING NORTHEAST AT 30 MPH.

* THE TORNADO WILL BE NEAR...
  EAGLES MERE AT 420 PM.
  FORKSVILLE AT 425 PM.
  LAPORTE AT 430 PM.
  DUSHORE AT 440 PM.

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

$$

LAT...LON 4138 7686 4124 7671 4164 7597 4185 7620

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 1, 4:44 PM EDTTornado WarningCTPSullivan31 min
Aug 1, 4:50 PM EDTSevere Thunderstorm WarningCTPNorthumberland, Snyder55 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.