Alert archive / Pennsylvania / Tornado Warnings in 1995

Tornado Warning 9, NWS Philadelphia/Mount Holly

May 29, 1995Delaware County, Montgomery County, Philadelphia County, Pennsylvania

NWS Philadelphia/Mount Holly issued this tornado warning at May 29, 1995, 7:05 PM EDT for Delaware County, Montgomery County, Philadelphia County, Pennsylvania. It was in force for 25 min.

The area

The counties it named.

The facts

Issued: May 29, 1995, 7:05 PM EDT (23:05 UTC)
Expired: May 29, 1995, 7:30 PM EDT
In force: 25 min
Issued by: NWS Philadelphia/Mount Holly
Area: Whole counties

Counties Delaware County, PA, Montgomery County, PA, Philadelphia County, PA

The radar

The Philadelphia radar (KDIX), 77 km from the middle of the area, began a volume at 23:05 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, 11.1 hours before the alert went out and 217 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: 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 292306
TORPHL
PAC045-091-101-292330-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE PHILADELPHIA/MOUNT HOLLY NJ
705 PM EDT MON MAY 29 1995
 
THE NATIONAL WEATHER SERVICE IN PHILADELPHIA/MOUNT HOLLY HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  735 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN  PENNSYLVANIA
 
   ...NORTHERN DELAWARE COUNTY...SOUTHERN MONTGOMERY COUNTY
   ...SOUTHERN PHILADELPHIA COUNTY
 
 
NATIONAL WEATHER SERVICE SKYWARN SPOTTERS REPORTED FUNNEL CLOUDS OVER
WEST CHESTER IN CHESTER COUNTY DURING THE PAST 15 MINUTES.  THE
SEVERE THUNDERSTORM ASSOCIATED WITH THE FUNNEL CLOUD WAS ABOUT TO ENTER
THE TRI-COUNTY POINT OF DELAWARE...PHILADELPHIA AND MONTGOMERY
NEAR RADNOR.
 
THE THUNDERSTORM WAS MOVING EAST AT 40 MILES AN HOUR AND WILL
PASS ACROSS THE SOUTHERN HALF OF PHILADELPHIA...NORTHEAST DELAWARE
COUNTY NEAR RADNOR AND SOUTHERN MONTGOMERY COUNTY NEAR MERION.
 
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.
 
 
 
TG
&

The office that day

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

Issued	Product	Office	Counties	Lasted
May 29, 5:15 PM EDT	Tornado Warning	PHI	Berks, Chester	30 min
May 29, 5:45 PM EDT	Tornado Warning	PHI	Montgomery	30 min
May 29, 6:13 PM EDT	Tornado Warning	PHI	Chester	47 min
May 29, 6:24 PM EDT	Severe Thunderstorm Warning	PHI	Bucks, Montgomery, Philadelphia	36 min

Nearby

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