Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2006

Severe Thunderstorm Warning 84, NWS Philadelphia/Mount Holly

June 22, 2006Berks County, Pennsylvania

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 22, 2006, 9:00 PM EDT for Berks County, Pennsylvania. It was in force for 90 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 22, 2006, 9:00 PM EDT (01:00 UTC)
Expired
Jun 22, 2006, 10:30 PM EDT
In force
90 min
Issued by
NWS Philadelphia/Mount Holly
Area
Counties, with a storm outline in the text

County Berks County, PA

The radar

The State College radar (KCCX), 144 km from the middle of the area, began a volume at 01:03 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

TimeReportWhereRemark
Jun 22, 9:10 PM EDTTSTM WND DMGLykens, PATREES AND WIRES DOWN
Jun 22, 9:27 PM EDTTSTM WND DMGHarper Tavern, PATREES DOWN
Jun 22, 9:40 PM EDTTSTM WND DMGLebanon, PATREES DOWN
Jun 22, 10:00 PM EDTHAIL 1Newmanstown, PA
Jun 22, 10:00 PM EDTTSTM WND DMGReading, PATREES AND WIRES DOWN COUNTYWIDE BETWEEN 1000 PM AND 1100 PM.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Washington/Dulle, VA (KIAD), launched 00:00Z, 1.0 hours before the alert went out and 188 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-pSkew-T log-p diagram, Washington/Dulle, VA at 00:00Z on 2006-06-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1909 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Washington/Dulle, VA at 00:00Z on 2006-06-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 59 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
1909 J/kg
Mixed-layer CIN
-20 J/kg
Mixed-layer LCL
1826 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
59 m²/s²
0-3 km storm-relative helicity
122 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 
WUUS51 KPHI 230103
SVRPHI
PAC011-230230-
/O.NEW.KPHI.SV.W.0084.060623T0100Z-060623T0230Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
900 PM EDT THU JUN 22 2006

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WESTERN HALF OF BERKS COUNTY IN EASTERN PENNSYLVANIA
  THIS INCLUDES THE CITY OF READING

* UNTIL 1030 PM EDT

* AT 858 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS
  OF 60 MPH.  THIS STORM WAS LOCATED 23 MILES WEST OF STRAUSSTOWN...
  ALONG THE LEBANON AND DAUPHIN COUNTY LINE. THIS STORM IS MOVING
  EAST AT 30 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  STRAUSSTOWN AND WOMELSDORF BY 955 PM EDT...
  BERNVILLE BY 1005 PM EDT...
  NEAR WERNERSVILLE BY 1010 PM EDT...
  NEAR HAMBURG BY 1020 PM EDT...
  LEESPORT BY 1025 PM EDT...
  NEAR READING AND LENHARTSVILLE BY 1030 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.

THIS STORM HAS A HISTORY OF PRODUCING WIND DAMAGE IN
THE SUSQUEHANNA VALLEY. THIS IS AN EXTREMELY DANGEROUS SITUATION.
SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM
WINDOWS

LAT...LON 4056 7679 4038 7674 4020 7588 4059 7587

$$

TFG
1 follow-up statement
000 
WWUS51 KPHI 230151
SVSPHI

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
951 PM EDT THU JUN 22 2006

PAC011-230230-
/O.CON.KPHI.SV.W.0084.000000T0000Z-060623T0230Z/
BERKS PA-
951 PM EDT THU JUN 22 2006

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1030 PM EDT
FOR WESTERN BERKS COUNTY...

AT 949 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING
WINDS IN EXCESS OF 60 MPH.  THESE STORMS WERE LOCATED ALONG A LINE
EXTENDING FROM STRAUSSTOWN TO 15 MILES SOUTHWEST OF WOMELSDORF...
MOVING EAST AT 25 MPH.

SEVERE THUNDERSTORMS WILL BE NEAR...
  WOMELSDORF BY 1000 PM EDT...
  ROBESONIA AND BERNVILLE BY 1005 PM EDT...
  WERNERSVILLE...HAMBURG AND CENTERPORT BY 1015 PM EDT...
  SINKING SPRING...SHOEMAKERSVILLE AND LEESPORT BY 1020 PM EDT...
  WYOMISSING HILLS BY 1025 PM EDT...

IN ADDITION TO 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.

LAT...LON 4056 7678 4038 7673 4020 7587 4059 7587

$$

TFG

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 22, 10:16 PM EDTSevere Thunderstorm WarningPHIChester59 min
Jun 22, 10:23 PM EDTSevere Thunderstorm WarningPHIBerks37 min
Jun 22, 10:41 PM EDTSevere Thunderstorm WarningPHIMontgomery38 min
Jun 22, 10:56 PM EDTSevere Thunderstorm WarningPHIBucks, Lehigh25 min

Nearby

Severe Thunderstorm Warnings in Pennsylvania, 2006Every severe thunderstorm warning in 2006

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.