Alert archive / New Jersey / Severe Thunderstorm Warnings in 2007
Severe Thunderstorm Warning 173, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Aug 3, 2007, 9:03 PM EDT for Morris County, New Jersey. It was in force for 57 min. 2 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
- Aug 3, 2007, 9:03 PM EDT (01:03 UTC)
- Expired
- Aug 3, 2007, 10:00 PM EDT
- In force
- 57 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Counties, with a storm outline in the text
County Morris County, NJ
The radar
The Philadelphia radar (KDIX), 103 km from the middle of the area, began a volume at 01:04 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 |
|---|---|---|---|
| Aug 3, 9:45 PM EDT | TSTM WND DMG | Mount Arlington, NJ | LARGE TREE LIMBS DOWN IN THE MOUNT ARLINGTON AREA. |
| Aug 3, 9:50 PM EDT | TSTM WND DMG | Stanhope, NJ | TREES AND WIRES DOWN IN STANHOPE |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Brookhaven, NY (KOKX), launched 00:00Z, 1.1 hours before the alert went out and 147 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
- 613 J/kg
- Mixed-layer CIN
- -132 J/kg
- Mixed-layer LCL
- 1369 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 118 m²/s²
- 0-3 km storm-relative helicity
- 134 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.4
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS51 KPHI 040103 SVRPHI NJC027-040200- /O.NEW.KPHI.SV.W.0173.070804T0103Z-070804T0200Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 903 PM EDT FRI AUG 3 2007 THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... CENTRAL MORRIS COUNTY IN NORTHERN NEW JERSEY... * UNTIL 1000 PM EDT * AT 900 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR BUDD LAKE...OR ABOUT 32 MILES WEST OF PATERSON...AND MOVING EAST AT 20 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... SUCCASUNNA AND 8 MILES NORTH OF CHESTER BY 915 PM EDT... DOVER BY 930 PM EDT... LAKE TELEMARK BY 935 PM EDT... 6 MILES NORTH OF MORRISTOWN BY 945 PM EDT... PARSIPPANY...BOONTON AND 8 MILES NORTH OF MADISON BY 950 PM EDT... LAT...LON 4091 7475 4077 7487 4073 7440 4100 7431 $$ RPW
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 3, 8:44 PM EDT | Severe Thunderstorm Warning | PHI | Sussex, Warren | 76 min |
| Aug 3, 9:59 PM EDT | Severe Thunderstorm Warning | PHI | Morris | 46 min |
| Aug 3, 10:03 PM EDT | Severe Thunderstorm Warning | PHI | Warren | 57 min |
| Aug 3, 11:07 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Somerset | 53 min |
| Aug 4, 4:04 PM EDT | Special Marine Warning | PHI | 56 min | |
| Aug 4, 4:04 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic | 41 min |
Nearby
Severe Thunderstorm Warnings in New Jersey, 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.