Alert archive / Pennsylvania / Tornado Warnings in 2002

Tornado Warning 5, NWS State College, PA

November 10, 2002Warren County, Pennsylvania

NWS State College, PA issued this tornado warning at Nov 10, 2002, 9:42 PM EST for Warren 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 counties it named.

The facts

Issued: Nov 10, 2002, 9:42 PM EST (02:42 UTC)
Expired: Nov 10, 2002, 10:15 PM EST
In force: 33 min
Issued by: NWS State College, PA
Area: Whole counties

County Warren County, PA

The radar

The Buffalo radar (KBUF), 134 km from the middle of the area, began a volume at 02:43 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.

The watch it was issued in

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

Issued	Product	Office	Lasted
Nov 10, 6:45 PM EST	Tornado Watch	SPC	5 hr

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 00:00Z, 2.7 hours before the alert went out and 133 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 258 J/kg
Mixed-layer CIN: -39 J/kg
Mixed-layer LCL: 924 m above ground
0-6 km bulk shear: 49 kt
0-1 km storm-relative helicity: 238 m²/s²
0-3 km storm-relative helicity: 266 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.7

Open this sounding in Storm Lab

The text

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

160 
WFUS51 KCTP 110242
TORCTP
PAC123-110315-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE STATE COLLEGE PA
942 PM EST SUN NOV 10 2002

THE NATIONAL WEATHER SERVICE IN STATE COLLEGE PA HAS ISSUED A

* TORNADO WARNING FOR...
  WARREN COUNTY IN NORTH CENTRAL PENNSYLVANIA

* UNTIL 1015 PM EST.

* AT 938 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM WITH A DEVELOPING TORNADO NEAR GARLAND...OR 13
  MILES SOUTHWEST OF WARREN...MOVING NORTHEAST AT 55 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
  WARREN AROUND 950 PM.
  RUSSELL AROUND 955 PM.
  GERMANY AROUND 1000 PM.

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.

IF YOU ARE IN A MOBILE HOME OR A VEHICLE...EVACUATE THEM AND GET
INSIDE A STURDY SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

$$

LAT...LON 4174 7936 4173 7925 4176 7915 4188 7904
          4201 7894 4199 7921 4190 7929 4177 7939

The office that day

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

Issued	Product	Office	Counties	Lasted
Nov 10, 8:44 PM EST	Severe Thunderstorm Warning	CTP	Warren	61 min
Nov 10, 9:42 PM EST	Tornado Warning	CTP	Warren	33 min
Nov 10, 10:08 PM EST	Severe Thunderstorm Warning	CTP	Warren	22 min
Nov 10, 10:08 PM EST	Severe Thunderstorm Warning	CTP	Warren	22 min

Nearby

Tornado Warnings in Pennsylvania, 2002 Every tornado warning in 2002 Tornadoes in 2002

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; radar from the NEXRAD Level II archive.