Alert archive / Pennsylvania / Tornado Warnings in 1995

Tornado Warning 5, NWS Philadelphia/Mount Holly

May 29, 1995Berks County, Chester County, Pennsylvania

NWS Philadelphia/Mount Holly issued this tornado warning at May 29, 1995, 5:15 PM EDT for Berks County, Chester County, Pennsylvania. It was in force for 30 min.

The area

The counties it named.

The facts

Issued
May 29, 1995, 5:15 PM EDT (21:15 UTC)
Expired
May 29, 1995, 5:45 PM EDT
In force
30 min
Issued by
NWS Philadelphia/Mount Holly
Area
Whole counties

Counties Berks County, PA, Chester County, PA

The radar

The Philadelphia radar (KDIX), 124 km from the middle of the area, began a volume at 21:19 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 nearest sounding before it

Washington/Dulle, VA (KIAD), launched 12:00Z, 9.3 hours before the alert went out and 193 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, Washington/Dulle, VA at 12:00Z on 1995-05-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 69 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, Washington/Dulle, VA at 12:00Z on 1995-05-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 242 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
69 J/kg
Mixed-layer CIN
-204 J/kg
Mixed-layer LCL
647 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
242 m²/s²
0-3 km storm-relative helicity
249 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KPHL 292117
TORPHL
PAC011-029-292145-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE PHILADELPHIA/MOUNT HOLLY NJ
515 PM EDT MON MAY 29 1995
 
THE NATIONAL WEATHER SERVICE IN PHILADELPHIA/MOUNT HOLLY HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  545 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN  PENNSYLVANIA
 
   ...SOUTHERN BERKS COUNTY...NORTHERN CHESTER COUNTY
 
AT 510 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE
THUNDERSTORM...POSSIBLY CONTAINING A TORNADO...IN SOUTHERN BERKS COUNTY
NEAR BRECKNOCK TOWNSHIP. THE STORM IS MOVING EAST AT 40 MILES AN HOUR
AND WILL PASS OVER THE REMAINDER OF SOUTHERN BERKS AND NORTHERN CHESTER
COUNTIES...NEAR ELVERSON AND THE COVENTRIES.
 
THIS STORM PRODUCED A TORNADO EARLIER THIS AFTERNOON IN LEBANON COUNTY
NEAR PALMYRA.  GOLF BALL HAIL WAS ALSO REPORTED AT MAPLE GROVE IN BERKS
COUNTY DURING THE LAST 15 MINUTES.
 
THIS IS A DANGEROUS STORM.  IF YOU ARE IN THE PATH OF THIS
TORNADO...MOVE TO A BELOW GROUND SHELTER IF AVAILABLE.  OTHERWISE
GO TO A SMALL CENTRAL INTERIOR ROOM ON THE LOWEST FLOOR POSSIBLE.
ABANDON CARS AND MOBILE HOMES FOR A REINFORCED BUILDING.
 
 
 
&

The office that day

Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 29, 5:45 PM EDTTornado WarningPHIMontgomery30 min
May 29, 6:13 PM EDTTornado WarningPHIChester47 min
May 29, 6:24 PM EDTSevere Thunderstorm WarningPHIBucks, Montgomery, Philadelphia36 min
May 29, 7:05 PM EDTTornado WarningPHIDelaware, Montgomery, Philadelphia25 min

Nearby

Tornado Warnings in Pennsylvania, 1995Every tornado warning in 1995Tornadoes in 1995

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.