Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2008
Severe Thunderstorm Warning 53, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 10, 2008, 5:51 PM EDT for Berks County, Lehigh County, Pennsylvania. It was in force for 54 min. 7 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 10, 2008, 5:51 PM EDT (21:51 UTC)
- Expired
- Jun 10, 2008, 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), 128 km from the middle of the area, began a volume at 21:51 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 10, 6:00 PM EDT | HAIL 1 | Fleetwood, PA | NICKEL TO QUARTER SIZE HAIL IN FLEETWOOD. |
| Jun 10, 6:05 PM EDT | HAIL 1 | Fleetwood, PA | NICKEL TO QUARTER SIZE HAIL IN FLEETWOOD. |
| Jun 10, 6:05 PM EDT | HAIL 1 | N Fleetwood, PA | NICKEL TO QUARTER SIZE HAIL IN FLEETWOOD. |
| Jun 10, 6:29 PM EDT | HAIL 1 | 5 Sse Claussville, PA | QUARTER SIZE HAIL IN BREINIGSVILLE. |
| Jun 10, 6:30 PM EDT | HAIL 0.75 | Topton, PA | PENNY SIZE HAIL NEAR TOPTON. |
| Jun 10, 6:40 PM EDT | HAIL 0.75 | Topton, PA | PENNY SIZE HAIL NEAR TOPTON. |
| Jun 10, 6:42 PM EDT | HAIL 1 | 5 Sse Claussville, PA | QUARTER SIZE HAIL IN BREINIGSVILLE. |
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 10, 5:47 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 9.9 hours before the alert went out and 135 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
- 1286 J/kg
- Mixed-layer CIN
- -135 J/kg
- Mixed-layer LCL
- 1568 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 6 m²/s²
- 0-3 km storm-relative helicity
- 20 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The text
As transmitted, in the capitals the NWS used until 2016.
000
WUUS51 KPHI 102151
SVRPHI
PAC011-077-102245-
/O.NEW.KPHI.SV.W.0053.080610T2151Z-080610T2245Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
551 PM EDT TUE JUN 10 2008
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHEASTERN BERKS COUNTY IN EASTERN PENNSYLVANIA...
LEHIGH COUNTY IN EASTERN PENNSYLVANIA...
* UNTIL 645 PM EDT
* AT 546 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE HAIL...AND
DAMAGING WINDS TO 60 MPH. THIS STORM WAS LOCATED NEAR
FLEETWOOD...OR ABOUT 6 MILES NORTHEAST OF READING...AND MOVING
NORTHEAST AT 23 MPH.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
KUTZTOWN BY 610 PM...
6 MILES NORTHWEST OF ANCIENT OAKS BY 625 PM...
CLAUSSVILLE BY 630 PM...
SCHNECKSVILLE BY 640 PM...
NEFFS AND 8 MILES NORTHWEST OF ALLENTOWN BY 645 PM...
EXPECT FREQUENT CLOUD TO GROUND LIGHTNING WITH THIS STORM.
LAT...LON 4074 7563 4073 7561 4072 7555 4065 7550
4066 7544 4062 7540 4034 7587 4042 7599
TIME...MOT...LOC 2151Z 220DEG 20KT 4044 7584
$$
GORSE2 follow-up statements
000
WWUS51 KPHI 102203
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
602 PM EDT TUE JUN 10 2008
PAC011-077-102245-
/O.CON.KPHI.SV.W.0053.000000T0000Z-080610T2245Z/
BERKS PA-LEHIGH PA-
602 PM EDT TUE JUN 10 2008
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 645 PM EDT
FOR CENTRAL LEHIGH AND CENTRAL BERKS COUNTIES...
AT 600 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING NICKEL SIZE
HAIL...AND DAMAGING WINDS TO 60 MPH. THIS STORM WAS LOCATED NEAR
LYONS...OR 13 MILES NORTHEAST OF READING...MOVING NORTHEAST AT
23 MPH.
THE SEVERE THUNDERSTORM WILL BE NEAR...
TOPTON BY 610 PM EDT...
6 MILES NORTHWEST OF ALBURTIS BY 620 PM EDT...
ANCIENT OAKS BY 625 PM EDT...
CLAUSSVILLE BY 630 PM EDT...
SCHNECKSVILLE...NEFFS AND 7 MILES NORTHWEST OF ALLENTOWN BY 640 PM
EDT...
FULLERTON AND 6 MILES WEST OF CATASAUQUA BY 645 PM EDT...
IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS.
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE
STRUCK BY LIGHTNING.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 100 AM EDT FOR
THE AREA.
LAT...LON 4074 7563 4073 7561 4072 7555 4065 7550
4066 7544 4062 7540 4035 7586 4044 7596
TIME...MOT...LOC 2202Z 220DEG 20KT 4049 7577
$$
GORSE000
WWUS51 KPHI 102211
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
610 PM EDT TUE JUN 10 2008
PAC011-077-102245-
/O.CON.KPHI.SV.W.0053.000000T0000Z-080610T2245Z/
BERKS PA-LEHIGH PA-
610 PM EDT TUE JUN 10 2008
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 645 PM EDT
FOR CENTRAL LEHIGH AND NORTHEASTERN BERKS COUNTIES...
AT 608 PM EDT...A TRAINED WEATHER SPOTTER REPORTED QUARTER SIZE
HAIL IN FLEETWOOD. THIS STORM WAS LOCATED NEAR KUTZTOWN...OR 15
MILES WEST OF ALLENTOWN...MOVING NORTHEAST AT 23 MPH.
THE SEVERE THUNDERSTORM WILL BE NEAR...
6 MILES NORTHWEST OF ALBURTIS BY 620 PM EDT...
ANCIENT OAKS BY 625 PM EDT...
CLAUSSVILLE BY 630 PM EDT...
SCHNECKSVILLE BY 640 PM EDT...
NEFFS...FULLERTON...6 MILES WEST OF CATASAUQUA AND 7 MILES
NORTHWEST OF ALLENTOWN BY 645 PM EDT...
THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS...LARGE HAIL...AND DEADLY CLOUD
TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.
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 100 AM EDT FOR
THE AREA.
LAT...LON 4074 7563 4073 7561 4072 7555 4065 7550
4066 7544 4062 7540 4035 7586 4044 7596
TIME...MOT...LOC 2210Z 220DEG 20KT 4052 7574
$$
GORSEThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 10, 5:47 PM EDT | Severe Thunderstorm Warning | PHI | Carbon, Monroe | 58 min |
| Jun 10, 6:20 PM EDT | Severe Thunderstorm Warning | PHI | Monroe | 40 min |
| Jun 10, 6:42 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Lehigh | 59 min |
| Jun 10, 6:47 PM EDT | Flash Flood Warning | PHI | Berks, Lehigh | 3 hr |
| Jun 10, 6:57 PM EDT | Severe Thunderstorm Warning | PHI | Carbon, Monroe, Northampton | 48 min |
| Jun 10, 7:02 PM EDT | Severe Thunderstorm Warning | PHI | Chester | 58 min |
| Jun 10, 7:13 PM EDT | Severe Thunderstorm Warning | PHI | Monroe, Northampton | 77 min |
| Jun 10, 7:36 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Chester, Montgomery | 54 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.