Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 1995
Severe Thunderstorm Warning 22, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at May 29, 1995, 6:24 PM EDT for Bucks County, Montgomery County, Philadelphia County, Pennsylvania. It was in force for 36 min.
The area
The counties it named.
The facts
- Issued
- May 29, 1995, 6:24 PM EDT (22:24 UTC)
- Expired
- May 29, 1995, 7:00 PM EDT
- In force
- 36 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Whole counties
Counties Bucks County, PA, Montgomery County, PA, Philadelphia County, PA
The radar
The Philadelphia radar (KDIX), 72 km from the middle of the area, began a volume at 22:23 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
Brookhaven, NY (KOKX), launched 12:00Z, 10.4 hours before the alert went out and 212 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 485 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 301 m²/s²
- 0-3 km storm-relative helicity
- 395 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KPHL 292225 RRA SVRPHL PAC017-091-101-292300- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE PHILADELPHIA/MOUNT HOLLY NJ 624 PM EDT MON MAY 29 1995 THE NATIONAL WEATHER SERVICE IN PHILADELPHIA/MOUNT HOLLY HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 700 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN PENNSYLVANIA ...SOUTHERN BUCKS COUNTY...SOUTHEASTREN MONTGOMERY COUNTY ...NORTHERN PHILADELPHIA COUNTY NUMEROUS REPORTS OF GOLF BALL SIZE HAIL HAVE BEEN RECEIVED FROM CENTRAL MONTGOMERY COUNTY. THE THUNDERSTORM ACCOMPANYING THIS STORM WAS IN EXTREME SOUTHEAST MONTGOMERY COUNTY AND WILL MOVE THROUGH NORTHERN AREAS OF PHILADELPHIA AND SOUTHERN BUCKS COUNTY. REMEMBER SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES WITH LITTLE OR NO ADVANCED WARNING. THIS IS A DANGEROUS STORM. IF YOU ARE IN THE WARNED AREA...PREPARE FOR STRONG DAMAGING WINDS...LARGE HAIL...VERY HEAVY RAIN AND DEADLY LIGHTNING. SHOULD THE STORM APPROACH YOU...SEEK IMMEDIATE SHELTER INDOORS...BUT DO NOT STAND NEAR WINDOWS. MOBILE HOMES ARE MOST VULNERABLE TO HIGH WINDS AND SHOULD BE AVOIDED. & 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, 7:05 PM EDT | Tornado Warning | PHI | Delaware, Montgomery, Philadelphia | 25 min |
Nearby
Severe Thunderstorm Warnings in Pennsylvania, 1995Every severe thunderstorm warning 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.