Alert archive / New Jersey / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 30, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 10, 2012, 5:26 PM EDT for Morris County, Sussex County, New Jersey. It was in force for 64 min. 6 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, 5:26 PM EDT (21:26 UTC)
- Expired
- Jun 10, 2012, 6:30 PM EDT
- In force
- 64 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
Counties Morris County, NJ, Sussex County, NJ
The radar
The Philadelphia radar (KDIX), 109 km from the middle of the area, began a volume at 21:29 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, 5:29 PM EDT | TSTM WND DMG | 2 Se Sparta, NJ | LIMBS DOWN |
| Jun 10, 5:30 PM EDT | TSTM WND DMG | 3 E Hopatcong, NJ | WIDESPREAD TREES AND WIRES DOWN FROM EAST OF HOPATCONG SOUTHWARD |
| Jun 10, 5:40 PM EDT | HAIL 0.25 | Mine Hill, NJ | |
| Jun 10, 5:43 PM EDT | HAIL 0.5 | Dover, NJ | |
| Jun 10, 5:54 PM EDT | HAIL 0.75 | 3 Ssw Dover, NJ | |
| Jun 10, 6:05 PM EDT | HAIL 0.5 | Mendham, NJ |
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, 9.4 hours before the alert went out and 131 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.
810
WUUS51 KPHI 102126
SVRPHI
NJC027-037-102230-
/O.NEW.KPHI.SV.W.0030.120610T2126Z-120610T2230Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
526 PM EDT SUN JUN 10 2012
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
EASTERN MORRIS COUNTY IN NORTHERN NEW JERSEY...
THIS INCLUDES THE CITY OF MORRISTOWN...
SOUTH CENTRAL SUSSEX COUNTY IN NORTHWEST NEW JERSEY...
* UNTIL 630 PM EDT
* AT 520 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED AN
AREA OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH. THESE STORMS WERE LOCATED FROM OGDENSBURG TO
GREEN POND...OR FROM 7 MILES EAST OF NEWTON TO 14 MILES NORTH OF
MORRISTOWN...AND MOVING SOUTHEAST AT 20 MPH.
* SEVERE THUNDERSTORMS WILL BE NEAR...
HOPATCONG AROUND 530 PM EDT...
LAKE TELEMARK AROUND 535 PM EDT...
MOUNT ARLINGTON AROUND 540 PM EDT...
BOONTON AROUND 545 PM EDT...
DOVER...WHARTON...ROCKAWAY AND MOUNTAIN LAKES AROUND 550 PM EDT...
PARSIPPANY AROUND 555 PM EDT...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IN ADDITION TO 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 THESE STORMS 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 4090 7433 4082 7432 4080 7436 4074 7436
4072 7438 4078 7466 4110 7467 4106 7449
4104 7450 4105 7446 4103 7443 4102 7443
4101 7436 4090 7427
TIME...MOT...LOC 2125Z 334DEG 17KT 4102 7459 4098 7443
$$
MPD2 follow-up statements
323
WWUS51 KPHI 102142
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
542 PM EDT SUN JUN 10 2012
NJC037-102150-
/O.CAN.KPHI.SV.W.0030.000000T0000Z-120610T2230Z/
SUSSEX NJ-
542 PM EDT SUN JUN 10 2012
...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL SUSSEX COUNTY IS
CANCELLED...
PLEASE REPORT HAIL OR STRONG WINDS TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE...1-877-633-6772...WHEN YOU CAN DO SO SAFELY.
LAT...LON 4090 7433 4083 7432 4080 7436 4074 7436
4072 7438 4078 7466 4092 7466 4100 7459
4105 7450 4104 7450 4105 7446 4102 7443
4101 7436 4090 7427
TIME...MOT...LOC 2140Z 344DEG 16KT 4089 7459 4096 7445
$$
NJC027-102230-
/O.CON.KPHI.SV.W.0030.000000T0000Z-120610T2230Z/
MORRIS NJ-
542 PM EDT SUN JUN 10 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM EDT
FOR EASTERN MORRIS COUNTY...
AT 538 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE AN AREA OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING
WINDS IN EXCESS OF 60 MPH. THESE STORMS WERE LOCATED FROM WHARTON TO
LAKE TELEMARK...OR FROM 10 MILES NORTHWEST OF MORRISTOWN TO 13 MILES
NORTH OF MORRISTOWN...MOVING SOUTHEAST AT 20 MPH.
SEVERE THUNDERSTORMS WILL BE NEAR...
SUCCASUNNA...VICTORY GARDENS...ROCKAWAY AND DOVER BY 545 PM EDT...
LINCOLN PARK...MOUNTAIN LAKES AND BOONTON BY 555 PM EDT...
PARSIPPANY AND MORRIS PLAINS BY 600 PM EDT...
MENDHAM BY 605 PM EDT...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IN ADDITION TO DAMAGING WINDS...CONTINUOUS CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THESE STORMS. 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.
HEAVY RAIN WILL OCCUR WITH THESE STORMS 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 4090 7433 4083 7432 4080 7436 4074 7436
4072 7438 4078 7466 4092 7466 4100 7459
4105 7450 4104 7450 4105 7446 4102 7443
4101 7436 4090 7427
TIME...MOT...LOC 2140Z 344DEG 16KT 4089 7459 4096 7445
$$
MPD427
WWUS51 KPHI 102208
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
608 PM EDT SUN JUN 10 2012
NJC027-102230-
/O.CON.KPHI.SV.W.0030.000000T0000Z-120610T2230Z/
MORRIS NJ-
608 PM EDT SUN JUN 10 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM EDT
FOR CENTRAL MORRIS COUNTY...
AT 603 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR MENDHAM...OR NEAR
MORRISTOWN...MOVING SOUTH AT 25 MPH.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IN ADDITION TO HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY! LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS.
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE
STRUCK BY LIGHTNING.
HEAVY RAIN WILL OCCUR WITH THIS STORM AND CAUSE LOW-LYING AND
POOR DRAINAGE FLOODING.
PLEASE REPORT HAIL OR STRONG WINDS TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE...1-877-633-6772...WHEN YOU CAN DO SO SAFELY.
&&
LAT...LON 4085 7460 4089 7448 4072 7440 4078 7466
4082 7466
TIME...MOT...LOC 2207Z 002DEG 20KT 4078 7455
$$
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, 6:01 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Middlesex, Morris, Somerset | 44 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.