Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2007
Severe Thunderstorm Warning 41, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 1, 2007, 4:24 PM EDT for Monroe County, Pennsylvania. It was in force for 66 min. 1 report 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 1, 2007, 4:24 PM EDT (20:24 UTC)
- Expired
- Jun 1, 2007, 5:30 PM EDT
- In force
- 66 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Counties, with a storm outline in the text
County Monroe County, PA
The radar
The Philadelphia radar (KDIX), 131 km from the middle of the area, began a volume at 20:25 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 1, 4:30 PM EDT | TSTM WND DMG | 4 E Arlington Heights, PA | TREES KNOCKED POWERLINES DOWN ON A CAR IN SHAWNEE. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 8.4 hours before the alert went out and 185 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
- 116 J/kg
- Mixed-layer CIN
- -220 J/kg
- Mixed-layer LCL
- 1070 m above ground
- 0-6 km bulk shear
- 10 kt
- 0-1 km storm-relative helicity
- 43 m²/s²
- 0-3 km storm-relative helicity
- 104 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 012024 SVRPHI PAC089-012130- /O.NEW.KPHI.SV.W.0041.070601T2024Z-070601T2130Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 424 PM EDT FRI JUN 1 2007 THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... EAST CENTRAL MONROE COUNTY IN NORTHEAST PENNSYLVANIA... * UNTIL 530 PM EDT * AT 420 PM EDT...TRAINED WEATHER SPOTTERS REPORTED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR STROUDSBURG...AND MOVING SOUTH AT 5 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... STROUDSBURG AT 425 PM EDT THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER... PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS. 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. LAT...LON 4101 7513 4097 7525 4092 7523 4098 7512 $$ TFG
1 follow-up statement
000 WWUS51 KPHI 012049 SVSPHI SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 446 PM EDT FRI JUN 1 2007 PAC089-012130- /O.CON.KPHI.SV.W.0041.000000T0000Z-070601T2130Z/ MONROE PA- 446 PM EDT FRI JUN 1 2007 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM EDT FOR EAST CENTRAL MONROE COUNTY... AT 443 PM EDT...THERE WERE SEVERAL REPORTS OF DOWNED LARGE TREE LIMBS AND HAIL IN EASTERN MONROE COUNTY. THE THUNDERSTORMS CONTINUE TO REBUILD TO THE WEST AND NOW THE STRONGEST AND MOST LIKELY SEVERE STORM WAS LOCATED NEAR ARLINGTON HEIGHTS AND MOVING SOUTHEAST AT 5 MPH. THE SEVERE THUNDERSTORM WILL BE NEAR... ARLINGTON HEIGHTS BY 505 PM EDT... STROUDSBURG BY 520 PM EDT... EAST STROUDSBURG BY 525 PM EDT... THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER... PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS. IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS IMMEDIATELY LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS. REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING. TORRENTIAL DOWNPOURS ARE ALSO OCCURRING AND A FLASH FLOOD WARNING IS ALSO IN EFFECT FOR EAST CENTRAL MONROE COUNTY. LAT...LON 4105 7515 4103 7530 4091 7526 4098 7512 $$ TFG
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 31, 8:19 PM EDT | Flash Flood Warning | PHI | Berks, Lehigh | 116 min |
| May 31, 8:30 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Lehigh | 45 min |
| May 31, 8:50 PM EDT | Severe Thunderstorm Warning | PHI | Lehigh | 40 min |
| May 31, 9:33 PM EDT | Severe Thunderstorm Warning | PHI | Lehigh | 34 min |
| May 31, 9:50 PM EDT | Flash Flood Warning | PHI | Lehigh | 3 hr |
| May 31, 11:27 PM EDT | Flash Flood Warning | PHI | Lehigh | 93 min |
| Jun 1, 2:36 PM EDT | Severe Thunderstorm Warning | PHI | Monroe | 54 min |
| Jun 1, 3:37 PM EDT | Severe Thunderstorm Warning | PHI | Monroe | 38 min |
| Jun 1, 3:53 PM EDT | Severe Thunderstorm Warning | PHI | Northampton | 82 min |
| Jun 1, 4:31 PM EDT | Flash Flood Warning | PHI | Monroe | 3 hr |
| Jun 1, 5:33 PM EDT | Severe Thunderstorm Warning | PHI | Berks | 87 min |
| Jun 1, 6:00 PM EDT | Flash Flood Warning | PHI | Berks | 3 hr |
| Jun 1, 6:39 PM EDT | Severe Thunderstorm Warning | PHI | Lehigh | 58 min |
| Jun 1, 6:50 PM EDT | Severe Thunderstorm Warning | PHI | Berks | 62 min |
| Jun 1, 7:02 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 88 min |
| Jun 1, 7:03 PM EDT | Flash Flood Warning | PHI | Lehigh | 3 hr |
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.