Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2007
Severe Thunderstorm Warning 140, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 16, 2007, 10:15 PM EDT for Berks County, Lehigh County, Pennsylvania. It was in force for 45 min. 3 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
- Jul 16, 2007, 10:15 PM EDT (02:15 UTC)
- Expired
- Jul 16, 2007, 11:00 PM EDT
- In force
- 45 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Counties, with a storm outline in the text
Counties Berks County, PA, Lehigh County, PA
The radar
The Philadelphia radar (KDIX), 130 km from the middle of the area, began a volume at 02:17 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 |
|---|---|---|---|
| Jul 16, 10:20 PM EDT | TSTM WND DMG | Kutztown, PA | TREES AND WIRES DOWNED AND ROOF BLOWN OFF BUILDING |
| Jul 16, 10:20 PM EDT | HAIL 0.88 | Kutztown, PA | |
| Jul 16, 10:25 PM EDT | TSTM WND DMG | 4 E Kutztown, PA | REPORT FROM MAXATAWNY OF TREES AND WIRES DOWN, WIND DAMAGE TO ROOF AND A WALL OF A COMMERCIAL FACTORY. |
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, 2.3 hours before the alert went out and 229 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
- 308 J/kg
- Mixed-layer CIN
- -48 J/kg
- Mixed-layer LCL
- 1709 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 21 m²/s²
- 0-3 km storm-relative helicity
- 46 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS51 KPHI 170215 SVRPHI PAC011-077-170300- /O.NEW.KPHI.SV.W.0140.070717T0215Z-070717T0300Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 1015 PM EDT MON JUL 16 2007 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... THIS INCLUDES THE CITY OF ALLENTOWN... * UNTIL 1100 PM EDT * AT 1015 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING NICKEL SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR KUTZTOWN...AND MOVING NORTHEAST AT 30 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... ANCIENT OAKS BY 1030 PM EDT... EMMAUS BY 1035 PM EDT... ALLENTOWN BY 1040 PM EDT... LAT...LON 4055 7592 4039 7581 4054 7538 4074 7558 $$ IOVINO
1 follow-up statement
000 WWUS51 KPHI 170243 SVSPHI SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 1042 PM EDT MON JUL 16 2007 PAC011-170252- /O.CAN.KPHI.SV.W.0140.000000T0000Z-070717T0300Z/ BERKS PA- 1042 PM EDT MON JUL 16 2007 ...THE SEVERE THUNDERSTORM WARNING FOR BERKS COUNTY IS CANCELLED... THE SEVERE THUNDERSTORM HAS MOVED INTO LEHIGH COUNTY. AS A RESULT...THE SEVERE THUNDERSTORM WARNING IS NO LONGER IN EFFECT IN BERKS COUNTY. LAT...LON 4061 7577 4050 7561 4054 7538 4074 7558 $$ PAC077-170300- /O.CON.KPHI.SV.W.0140.000000T0000Z-070717T0300Z/ LEHIGH PA- 1042 PM EDT MON JUL 16 2007 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1100 PM EDT FOR CENTRAL LEHIGH COUNTY... AT 1040 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING NICKEL SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR SCHNECKSVILLE...MOVING NORTHEAST AT 30 MPH. THE SEVERE THUNDERSTORM WILL BE NEAR... FULLERTON AND ALLENTOWN BY 1045 PM EDT... HOKENDAUQUA BY 1050 PM EDT... LAT...LON 4061 7577 4050 7561 4054 7538 4074 7558 $$ IOVINO
Nearby
Severe Thunderstorm Warnings in Pennsylvania, 2007Every severe thunderstorm warning in 2007
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.