Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2008
Severe Thunderstorm Warning 90, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 16, 2008, 6:43 PM EDT for Berks County, Lehigh County, Pennsylvania. It was in force for 34 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jun 16, 2008, 6:43 PM EDT (22:43 UTC)
- Expired
- Jun 16, 2008, 7:17 PM EDT
- In force
- 34 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
Counties Berks County, PA, Lehigh County, PA
The radar
The Philadelphia radar (KDIX), 154 km from the middle of the area, began a volume at 22:43 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 16, 1:21 PM EDT | Severe Thunderstorm Watch | SPC | 10 hr |
The nearest sounding before it
Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 10.7 hours before the alert went out and 113 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
- 53 J/kg
- Mixed-layer CIN
- -151 J/kg
- Mixed-layer LCL
- 1872 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 15 m²/s²
- 0-3 km storm-relative helicity
- 28 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
WUUS51 KPHI 162243
SVRPHI
PAC011-077-170000-
/O.NEW.KPHI.SV.W.0090.080616T2243Z-080617T0000Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
643 PM EDT MON JUN 16 2008
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
BERKS COUNTY IN EASTERN PENNSYLVANIA...
LEHIGH COUNTY IN EASTERN PENNSYLVANIA...
* UNTIL 800 PM EDT
* AT 640 PM EDT...NATIONAL WEATHER SERVICE RADAR INDICATED A
BROKEN LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING PENNY
SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THESE STORMS
WERE LOCATED ALONG A LINE EXTENDING FROM 17 MILES NORTH OF NEW
TRIPOLI TO 21 MILES WEST OF WOMELSDORF...OR ALONG A LINE EXTENDING
FROM 23 MILES SOUTH OF WILKES-BARRE TO 29 MILES NORTHWEST OF
LANCASTER...AND MOVING EAST AT 20 MPH.
* SEVERE THUNDERSTORMS WILL BE NEAR...
STRAUSSTOWN BY 720 PM...
WANAMAKERS BY 735 PM...
WOMELSDORF AND HAMBURG BY 740 PM...
NEW TRIPOLI AND BERNVILLE BY 745 PM...
LENHARTSVILLE BY 750 PM...
WERNERSVILLE BY 755 PM...
THUNDERSTORMS ARE CAPABLE OF PRODUCING HEAVY RAINFALL WHICH MAY
RESULT IN LOCALIZED AREAS OF FLOODING. DO NOT DRIVE IN AREAS WHERE
WATER IS CROSSING THE ROAD.
IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS.
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE
STRUCK BY LIGHTNING.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM MONDAY
EVENING FOR DELAWARE AND NORTHEASTERN MARYLAND AND NEW JERSEY AND
EASTERN PENNSYLVANIA.
LAT...LON 4052 7639 4054 7618 4059 7607 4059 7603
4065 7599 4073 7579 4056 7550 4037 7565
4028 7601 4030 7614 4036 7621 4036 7623
4049 7644
TIME...MOT...LOC 2243Z 271DEG 18KT 4092 7584 4041 7656
$$1 follow-up statement
000
WWUS51 KPHI 162317
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
716 PM EDT MON JUN 16 2008
PAC011-077-162326-
/O.CAN.KPHI.SV.W.0090.000000T0000Z-080617T0000Z/
BERKS PA-LEHIGH PA-
716 PM EDT MON JUN 16 2008
...THE SEVERE THUNDERSTORM WARNING FOR LEHIGH AND BERKS COUNTIES IS
CANCELLED...
THUNDERSTORMS WERE WEAKENING AS THEY WERE MOVING THROUGH PARTS OF
BERKS AND LEHIGH COUNTIES...SO THE THREAT OF SEVERE WEATHER HAS
DIMINISHED.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM EDT MONDAY
EVENING FOR DELAWARE AND NORTHEASTERN MARYLAND AND NEW JERSEY AND
EASTERN PENNSYLVANIA.
LAT...LON 4052 7639 4054 7618 4059 7607 4059 7603
4065 7599 4073 7579 4056 7550 4037 7565
4028 7601 4030 7614 4036 7621 4036 7623
4049 7644
TIME...MOT...LOC 2316Z 271DEG 18KT 4092 7562 4041 7634
$$The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 16, 4:49 PM EDT | Severe Thunderstorm Warning | PHI | Carbon, Monroe | 52 min |
| Jun 16, 6:06 PM EDT | Severe Thunderstorm Warning | PHI | Northampton | 19 min |
Nearby
Severe Thunderstorm Warnings in Pennsylvania, 2008Every severe thunderstorm warning in 2008
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.