Alert archive / New Jersey / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 31, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 10, 2012, 6:01 PM EDT for 4 counties in New Jersey. It was in force for 44 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 10, 2012, 6:01 PM EDT (22:01 UTC)
- Expired
- Jun 10, 2012, 6:45 PM EDT
- In force
- 44 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
Counties Hunterdon County, NJ, Middlesex County, NJ, Morris County, NJ, Somerset County, NJ
The radar
The Philadelphia radar (KDIX), 77 km from the middle of the area, began a volume at 22:03 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 10, 6:05 PM EDT | HAIL 0.5 | Mendham, NJ | |
| Jun 10, 6:08 PM EDT | TSTM WND DMG | 3 Se Bernardsville, NJ | TREES AND WIRES DOWN. |
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 12:00Z, 10.0 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
- 44 J/kg
- Mixed-layer CIN
- -51 J/kg
- Mixed-layer LCL
- 863 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 32 m²/s²
- 0-3 km storm-relative helicity
- 126 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
967
WUUS51 KPHI 102201
SVRPHI
NJC019-023-027-035-102245-
/O.NEW.KPHI.SV.W.0031.120610T2201Z-120610T2245Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
601 PM EDT SUN JUN 10 2012
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTH CENTRAL MIDDLESEX COUNTY IN NORTHERN NEW JERSEY...
THIS INCLUDES THE CITY OF NEW BRUNSWICK...
SOUTH CENTRAL MORRIS COUNTY IN NORTHERN NEW JERSEY...
SOMERSET COUNTY IN NORTHERN NEW JERSEY...
THIS INCLUDES THE CITY OF SOMERVILLE...
NORTHEASTERN HUNTERDON COUNTY IN NORTHWEST NEW JERSEY...
* UNTIL 645 PM EDT
* AT 555 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS
OF 60 MPH. THIS STORM WAS LOCATED NEAR MENDHAM...OR NEAR
MORRISTOWN...AND MOVING SOUTH AT 25 MPH.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
PEAPACK AND GLADSTONE AROUND 610 PM EDT...
BASKING RIDGE...FAR HILLS AND MILLINGTON AROUND 615 PM EDT...
MARTINSVILLE AND BRIDGEWATER AROUND 630 PM EDT...
SOMERVILLE...BOUND BROOK AND MIDDLESEX AROUND 635 PM EDT...
MANVILLE AROUND 640 PM EDT...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IN ADDITION TO HAIL AND DAMAGING WINDS...FREQUENT CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY! REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE
ENOUGH TO BE STRUCK BY LIGHTNING.
HEAVY RAIN WILL OCCUR WITH THIS STORM AND CAUSE LOW-LYING AND
POOR DRAINAGE FLOODING.
PLEASE REPORT HAIL OR STRONG WINDS TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE...1-877-633-6772...WHEN YOU CAN DO SO SAFELY.
&&
LAT...LON 4050 7485 4081 7471 4077 7444 4068 7444
4067 7445 4066 7444 4046 7443
TIME...MOT...LOC 2200Z 004DEG 22KT 4079 7457
$$
MPD1 follow-up statement
947
WWUS51 KPHI 102240
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
640 PM EDT SUN JUN 10 2012
NJC019-027-102248-
/O.CAN.KPHI.SV.W.0031.000000T0000Z-120610T2245Z/
HUNTERDON NJ-MORRIS NJ-
640 PM EDT SUN JUN 10 2012
...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL MORRIS AND
NORTHEASTERN HUNTERDON COUNTIES IS CANCELLED...
PLEASE REPORT HAIL OR STRONG WINDS TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE...1-877-633-6772...WHEN YOU CAN DO SO SAFELY.
LAT...LON 4050 7474 4070 7465 4069 7453 4065 7452
4066 7450 4067 7446 4066 7444 4046 7443
TIME...MOT...LOC 2238Z 004DEG 22KT 4056 7459
$$
NJC023-035-102245-
/O.CON.KPHI.SV.W.0031.000000T0000Z-120610T2245Z/
SOMERSET NJ-MIDDLESEX NJ-
640 PM EDT SUN JUN 10 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 645 PM EDT
FOR NORTH CENTRAL MIDDLESEX AND CENTRAL SOMERSET COUNTIES...
AT 633 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS OF UP
TO 60 MPH. THIS STORM WAS LOCATED NEAR BOUND BROOK AND MIDDLESEX...
MOVING SOUTH AT 25 MPH.
THE SEVERE THUNDERSTORM WILL BE NEAR...
NEW BRUNSWICK BY 645 PM EDT...
DANGEROUS CLOUD TO GROUND LIGHTNING WAS OCCURRING WITH THIS STORM.
PLEASE MOVE INDOORS UNTIL IT PASSES. HEAVY RAIN WILL OCCUR WITH THIS
STORM AND CAUSE LOW-LYING AND POOR DRAINAGE FLOODING.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
PLEASE REPORT HAIL OR STRONG WINDS TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE...1-877-633-6772...WHEN YOU CAN DO SO SAFELY.
&&
LAT...LON 4050 7474 4070 7465 4069 7453 4065 7452
4066 7450 4067 7446 4066 7444 4046 7443
TIME...MOT...LOC 2238Z 004DEG 22KT 4056 7459
$$
MPDThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 10, 4:25 PM EDT | Special Weather Statement | PHI | Sussex | 50 min |
| Jun 10, 4:30 PM EDT | Special Weather Statement | PHI | Hunterdon | 60 min |
| Jun 10, 5:15 PM EDT | Special Weather Statement | PHI | Morris, Sussex | 60 min |
| Jun 10, 5:19 PM EDT | Special Weather Statement | PHI | Morris, Sussex | 56 min |
| Jun 10, 5:26 PM EDT | Severe Thunderstorm Warning | PHI | Morris, Sussex | 64 min |
Nearby
Severe Thunderstorm Warnings in New Jersey, 2012Every severe thunderstorm warning in 2012
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.