Alert archive / New Jersey / Severe Thunderstorm Warnings in 2007
Severe Thunderstorm Warning 73, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 12, 2007, 7:06 PM EDT for Morris County, Somerset County, New Jersey. It was in force for 54 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
- Jun 12, 2007, 7:06 PM EDT (23:06 UTC)
- Expired
- Jun 12, 2007, 8:00 PM EDT
- In force
- 54 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Counties, with a storm outline in the text
Counties Morris County, NJ, Somerset County, NJ
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 12, 7:10 PM EDT | HAIL 0.88 | Morristown, NJ | |
| Jun 12, 7:30 PM EDT | HAIL 0.88 | Bernardsville, NJ |
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 12, 12:55 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Brookhaven, NY (KOKX), launched 12:00Z, 11.1 hours before the alert went out and 142 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
- 107 J/kg
- Mixed-layer CIN
- -115 J/kg
- Mixed-layer LCL
- 1104 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 126 m²/s²
- 0-3 km storm-relative helicity
- 176 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 122305 SVRPHI NJC027-035-130000- /O.NEW.KPHI.SV.W.0073.070612T2306Z-070613T0000Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 706 PM EDT TUE JUN 12 2007 THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... CENTRAL MORRIS COUNTY IN NORTHERN NEW JERSEY... NORTHWESTERN SOMERSET COUNTY IN NORTHERN NEW JERSEY... * UNTIL 800 PM EDT * AT 700 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 MORRISTOWN...OR ABOUT 16 MILES WEST OF NEWARK...AND MOVING SOUTHWEST AT 20 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... FAR HILLS AND PEAPACK AND GLADSTONE BY 730 PM EDT... LAT...LON 4080 7436 4091 7452 4070 7472 4046 7475 $$ MPD
1 follow-up statement
000 WWUS51 KPHI 122337 SVSPHI SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 737 PM EDT TUE JUN 12 2007 NJC027-122347- /O.CAN.KPHI.SV.W.0073.000000T0000Z-070613T0000Z/ MORRIS NJ- 737 PM EDT TUE JUN 12 2007 ...THE SEVERE THUNDERSTORM WARNING FOR MORRIS COUNTY IS CANCELLED... LAT...LON 4046 7475 4069 7452 4074 7456 4070 7472 $$ NJC035-130000- /O.CON.KPHI.SV.W.0073.000000T0000Z-070613T0000Z/ SOMERSET NJ- 737 PM EDT TUE JUN 12 2007 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM EDT FOR NORTHWESTERN SOMERSET COUNTY... AT 729 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 FAR HILLS...OR ABOUT 16 MILES NORTHWEST OF NEW BRUNSWICK...MOVING SOUTHWEST AT 20 MPH. THE SEVERE THUNDERSTORM WILL BE NEAR... RARITAN BY 755 PM EDT... LAT...LON 4046 7475 4069 7452 4074 7456 4070 7472 $$ MPD
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 12, 12:56 PM EDT | Severe Thunderstorm Warning | PHI | Warren | 64 min |
| Jun 12, 1:08 PM EDT | Severe Thunderstorm Warning | PHI | Mercer, Middlesex, Monmouth | 67 min |
| Jun 12, 2:04 PM EDT | Special Marine Warning | PHI | 41 min | |
| Jun 12, 2:44 PM EDT | Special Marine Warning | PHI | 46 min | |
| Jun 12, 3:09 PM EDT | Severe Thunderstorm Warning | PHI | Gloucester | 25 min |
| Jun 12, 3:55 PM EDT | Special Marine Warning | PHI | 35 min | |
| Jun 12, 4:08 PM EDT | Severe Thunderstorm Warning | PHI | Mercer | 37 min |
| Jun 12, 4:33 PM EDT | Coastal Flood Advisory | PHI | Atlantic, Burlington, Cape May, Middlesex, Monmouth, Ocean | 7 hr |
| Jun 12, 7:48 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon | 57 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.