Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2015
Severe Thunderstorm Warning 32, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 8, 2015, 5:51 PM EDT for Berks County, Lehigh County, Pennsylvania. It was in force for 54 min. 5 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jun 8, 2015, 5:51 PM EDT (21:51 UTC)
- Expired
- Jun 8, 2015, 6:45 PM EDT
- In force
- 54 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
Counties Berks County, PA, Lehigh County, PA
The radar
The Philadelphia radar (KDIX), 138 km from the middle of the area, began a volume at 21:53 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 8, 6:05 PM EDT | TSTM WND DMG | Mertztown, PA | POLES AND WIRES DOWN |
| Jun 8, 6:05 PM EDT | TSTM WND DMG | Topton, PA | POLES AND WIRES DOWN |
| Jun 8, 6:05 PM EDT | TSTM WND GST 65 | Topton, PA | |
| Jun 8, 6:07 PM EDT | TSTM WND GST 60 | Mertztown, PA | |
| Jun 8, 6:20 PM EDT | TSTM WND DMG | Alburtis, PA | NUMEROUS TREES AND WIRES DOWN IN ALBURTIS AND MACUNGIE. SOME ROADS CLOSED. 1606 CUSTOMERS WITHOUT POWER IN LOWER MACGUNGIE TOWNSHIP. INITIAL REPORT RELAYED BY EPAWA. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 8, 4:13 PM EDT | Tornado Watch | SPC | 4 hr |
The nearest sounding before it
Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 9.9 hours before the alert went out and 127 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
- 1116 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 333 m²/s²
- 0-3 km storm-relative helicity
- 360 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
089
WUUS51 KPHI 082151
SVRPHI
PAC011-077-082245-
/O.NEW.KPHI.SV.W.0032.150608T2151Z-150608T2245Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
551 PM EDT MON JUN 8 2015
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
CENTRAL LEHIGH COUNTY IN EASTERN PENNSYLVANIA...
NORTHEASTERN BERKS COUNTY IN EASTERN PENNSYLVANIA...
* UNTIL 645 PM EDT
* AT 551 PM EDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM
CAPABLE OF PRODUCING HALF DOLLAR SIZE HAIL AND DESTRUCTIVE WINDS IN
EXCESS OF 70 MPH. THIS STORM WAS LOCATED OVER LENHARTSVILLE...OR 15
MILES EAST OF SCHUYLKILL HAVEN...AND MOVING EAST AT 15 MPH.
* LOCATIONS IMPACTED INCLUDE...
ALLENTOWN...KUTZTOWN...FLEETWOOD...TOPTON...SHOEMAKERSVILLE...
BALLY...LYONS...LENHARTSVILLE...NEW TRIPOLI...CLAUSSVILLE...
WANAMAKERS...ANCIENT OAKS...COFFEETOWN...SCHNECKSVILLE...MACUNGIE
AND ALBURTIS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS...LARGE HAIL...DEADLY
LIGHTNING AND VERY HEAVY RAIN. FOR YOUR PROTECTION...MOVE TO AN
INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY
RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO AREAS WHERE WATER
COVERS THE ROAD.
&&
A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT FOR EASTERN
PENNSYLVANIA.
LAT...LON 4066 7596 4069 7585 4067 7551 4039 7558
4046 7597
TIME...MOT...LOC 2151Z 278DEG 14KT 4057 7589
$$
NIERENBERG1 follow-up statement
849
WWUS51 KPHI 082218
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
618 PM EDT MON JUN 8 2015
PAC011-077-082245-
/O.CON.KPHI.SV.W.0032.000000T0000Z-150608T2245Z/
LEHIGH PA-BERKS PA-
618 PM EDT MON JUN 8 2015
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 645 PM EDT
THE FOLLOWING COUNTIES... LEHIGH AND BERKS COUNTIES...
AT 617 PM EDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE
OF PRODUCING HALF DOLLAR SIZE HAIL AND DESTRUCTIVE WINDS IN EXCESS OF
70 MPH. THIS STORM WAS LOCATED OVER KUTZTOWN...OR 14 MILES WEST OF
ALLENTOWN...MOVING EAST AT 15 MPH.
LOCATIONS IMPACTED INCLUDE...
ALLENTOWN...KUTZTOWN...TOPTON...BALLY...LYONS...ANCIENT OAKS...
CLAUSSVILLE...COFFEETOWN...MACUNGIE AND ALBURTIS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. ALTHOUGH A
TORNADO IS NOT IMMEDIATELY LIKELY...IF ONE IS SPOTTED...ACT QUICKLY
AND MOVE TO A PLACE OF SAFETY IN A STURDY STRUCTURE...SUCH AS A
BASEMENT OR SMALL INTERIOR ROOM.
SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS...LARGE HAIL...DEADLY
LIGHTNING AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN
INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY
RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO AREAS WHERE WATER
COVERS THE ROAD.
&&
A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT FOR EASTERN
PENNSYLVANIA.
LAT...LON 4057 7582 4066 7582 4067 7551 4039 7558
4044 7579
TIME...MOT...LOC 2217Z 278DEG 14KT 4056 7576
$$The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 8, 4:34 PM EDT | Special Weather Statement | PHI | Berks, Carbon, Lehigh, Monroe, Northampton | 116 min |
| Jun 8, 5:17 PM EDT | Severe Thunderstorm Warning | PHI | Berks | 58 min |
| Jun 8, 6:15 PM EDT | Special Weather Statement | PHI | Bucks, Chester, Delaware, Montgomery, Philadelphia | 2 hr |
| Jun 8, 6:16 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Bucks, Lehigh, Northampton | 59 min |
| Jun 8, 7:19 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Chester, Montgomery | 56 min |
Nearby
Severe Thunderstorm Warnings in Pennsylvania, 2015Every severe thunderstorm warning in 2015
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.