Alert archive / Pennsylvania / Tornado Warnings in 1992

Tornado Warning 4, NWS State College, PA

July 17, 1992Berks County, Pennsylvania

NWS State College, PA issued this tornado warning at Jul 17, 1992, 6:56 PM EDT for Berks County, Pennsylvania. It was in force for 19 min.

The area

The counties it named.

The facts

Issued: Jul 17, 1992, 6:56 PM EDT (22:56 UTC)
Expired: Jul 17, 1992, 7:15 PM EDT
In force: 19 min
Issued by: NWS State College, PA
Area: Whole counties

County Berks County, PA

The nearest sounding before it

Atlantic City In, NJ (KACY), launched 12:00Z, 10.9 hours before the alert went out and 162 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: 123 J/kg
Mixed-layer CIN: -70 J/kg
Mixed-layer LCL: 553 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: 44 m²/s²
0-3 km storm-relative helicity: 130 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KABE 172259
TORABE
PAC011-172315-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE ALLENTOWN PA
656 PM EDT FRI JUL 17 1992
 
THE NATIONAL WEATHER SERVICE IN ALLENTOWN HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  715 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS......
 
IN EAST CENTRAL PENNSYLVANIA
 
   ...BERKS COUNTY
 
AT 655 PM EDT RADAR INDICATED A TORNADO MOVING THROUGH NORTHWESTERN
BERKS COUNTY. THE TORNADO IS MOVING TO THE EASTNORTHEAST AT 30 MPH AND
IS APPROACHING THE TOWN OF REHRERSBURG. PERSONS IN THE PATH OF THIS
STORM SHOULD SEEK SHELTER IMMIDIATELY.
 
 
THIS IS A DANGEROUS STORM SITUATION.  ACT QUICKLY.  IF YOU ARE
IN THE PATH OF THIS TORNADO MOVE TO A SHELTER B:ELOW GROUND IF
AVAILABLE.  OTHERWISE...GO TO A SMALL INTERIOR ROOM ON THE LOWEST
FLOOR POSSIBLE.  AVOID WINDOWS.  ABANDON CARS AND MOBILE HOMES
FOR A REINFORCED BUILDING OR GET INTO A DITCH OR CULVERT.
 
BLACKBURN

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 17, 4:10 PM EDT	Severe Thunderstorm Warning	CTP	Franklin	65 min
Jul 17, 4:13 PM EDT	Severe Thunderstorm Warning	CTP	Cumberland	62 min
Jul 17, 5:17 PM EDT	Severe Thunderstorm Warning	CTP	Cumberland, Dauphin	58 min
Jul 17, 5:38 PM EDT	Severe Thunderstorm Warning	CTP	York	67 min
Jul 17, 5:43 PM EDT	Severe Thunderstorm Warning	CTP	Northumberland, Snyder	47 min
Jul 17, 6:14 PM EDT	Severe Thunderstorm Warning	CTP	Lancaster	61 min
Jul 17, 6:18 PM EDT	Severe Thunderstorm Warning	CTP	Dauphin, Lebanon	27 min
Jul 17, 6:45 PM EDT	Tornado Warning	CTP	Lebanon	30 min
Jul 17, 6:46 PM EDT	Tornado Warning	CTP	Berks	14 min
Jul 17, 7:02 PM EDT	Severe Thunderstorm Warning	CTP	Lancaster, York	58 min
Jul 17, 7:13 PM EDT	Severe Thunderstorm Warning	CTP	Berks	32 min
Jul 17, 7:16 PM EDT	Tornado Warning	CTP	Lebanon	29 min
Jul 17, 7:39 PM EDT	Severe Thunderstorm Warning	CTP	Berks	36 min

Nearby

Tornado Warnings in Pennsylvania, 1992 Every tornado warning in 1992 Tornadoes in 1992

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.