Alert archive / New Jersey / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 151, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 7, 2011, 4:19 PM EDT for Morris County, Sussex County, Warren County, New Jersey. It was in force for 46 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jul 7, 2011, 4:19 PM EDT (20:19 UTC)
- Expired
- Jul 7, 2011, 5:05 PM EDT
- In force
- 46 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
Counties Morris County, NJ, Sussex County, NJ, Warren County, NJ
The radar
The Philadelphia radar (KDIX), 110 km from the middle of the area, began a volume at 20:22 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.
The nearest sounding before it
Brookhaven, NY (KOKX), launched 12:00Z, 8.3 hours before the alert went out and 159 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
- 1080 J/kg
- Mixed-layer CIN
- -88 J/kg
- Mixed-layer LCL
- 1033 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 36 m²/s²
- 0-3 km storm-relative helicity
- 68 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.4
The text
As transmitted, in the capitals the NWS used until 2016.
835 WUUS51 KPHI 072019 SVRPHI NJC027-037-041-072145- /O.NEW.KPHI.SV.W.0151.110707T2019Z-110707T2145Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 419 PM EDT THU JUL 7 2011 THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... MORRIS COUNTY IN NORTHERN NEW JERSEY... SOUTHWESTERN SUSSEX COUNTY IN NORTHWEST NEW JERSEY... NORTHERN WARREN COUNTY IN NORTHWEST NEW JERSEY... * UNTIL 545 PM EDT * AT 417 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED 6 MILES WEST OF BLAIRSTOWN...OR 16 MILES SOUTHEAST OF MOUNT POCONO...AND MOVING EAST AT 25 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... BLAIRSTOWN AROUND 435 PM EDT... HOPE AROUND 440 PM EDT... ALLAMUCHY AND ALLAMUCHY-PANTHER VALLEY AROUND 455 PM EDT... ANDOVER AROUND 505 PM EDT... BUDD LAKE AROUND 510 PM EDT... STANHOPE...NETCONG AND HOPATCONG AROUND 515 PM EDT... PRECAUTIONARY/PREPAREDNESS ACTIONS... 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...HEAVY RAIN WILL OCCUR WITH THESE STORMS AND CAUSE LOW-LYING AND POOR DRAINAGE FLOODING. && LAT...LON 4073 7467 4097 7514 4108 7496 4097 7435 TIME...MOT...LOC 2019Z 290DEG 20KT 4101 7508 $$ NIERENBERG
1 follow-up statement
211 WWUS51 KPHI 072105 SVSPHI SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 505 PM EDT THU JUL 7 2011 NJC027-037-041-072111- /O.CAN.KPHI.SV.W.0151.000000T0000Z-110707T2145Z/ SUSSEX NJ-WARREN NJ-MORRIS NJ- 505 PM EDT THU JUL 7 2011 ...THE SEVERE THUNDERSTORM WARNING FOR MORRIS...NORTHERN WARREN AND SOUTHWESTERN SUSSEX COUNTIES IS CANCELLED... THE THUNDERSTORM HAS WEAKENED BELOW SEVERE LIMITS. LAT...LON 4073 7467 4097 7513 4108 7496 4097 7435 TIME...MOT...LOC 2101Z 290DEG 20KT 4093 7479 $$ TFG
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 7, 1:27 PM EDT | Special Weather Statement | PHI | Burlington | 93 min |
| Jul 7, 3:11 PM EDT | Special Weather Statement | PHI | Atlantic | 64 min |
| Jul 7, 3:15 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Burlington, Ocean | 45 min |
| Jul 7, 3:16 PM EDT | Special Marine Warning | PHI | 89 min | |
| Jul 7, 3:26 PM EDT | Severe Thunderstorm Warning | PHI | Warren | 64 min |
| Jul 7, 3:45 PM EDT | Special Weather Statement | PHI | Mercer, Middlesex | 90 min |
| Jul 7, 3:46 PM EDT | Special Weather Statement | PHI | Burlington | 89 min |
| Jul 7, 3:58 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Burlington, Ocean | 34 min |
| Jul 7, 4:17 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Ocean | 88 min |
| Jul 7, 4:48 PM EDT | Severe Thunderstorm Warning | PHI | Monmouth, Ocean | 57 min |
| Jul 7, 5:12 PM EDT | Severe Thunderstorm Warning | PHI | Camden, Gloucester | 63 min |
| Jul 7, 5:44 PM EDT | Special Weather Statement | PHI | Burlington, Monmouth, Ocean | 61 min |
| Jul 7, 6:10 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Camden, Gloucester | 40 min |
| Jul 7, 6:46 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Middlesex, Somerset | 74 min |
| Jul 7, 6:48 PM EDT | Special Weather Statement | PHI | Camden | 57 min |
| Jul 7, 7:32 PM EDT | Special Weather Statement | PHI | Atlantic, Burlington, Cape May, Cumberland, Salem | 88 min |
| Jul 7, 7:49 PM EDT | Special Weather Statement | PHI | Mercer | 86 min |
Nearby
Severe Thunderstorm Warnings in New Jersey, 2011Every severe thunderstorm warning in 2011
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.