Alert archive / New Jersey / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 19, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at May 29, 2012, 6:22 PM EDT for Sussex County, New Jersey. It was in force for 53 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
- May 29, 2012, 6:22 PM EDT (22:22 UTC)
- Expired
- May 29, 2012, 7:15 PM EDT
- In force
- 53 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
County Sussex County, NJ
The radar
The Philadelphia radar (KDIX), 145 km from the middle of the area, began a volume at 22:25 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 |
|---|---|---|---|
| May 29, 6:25 PM EDT | TSTM WND DMG | Sandyston Twp, NJ | TREES AND WIRES REPORTED DOWN IN SANDYSTON. |
| May 29, 6:30 PM EDT | TSTM WND DMG | Montague Twp, NJ | TREES AND WIRES REPORTED DOWN IN MONTAGUE. |
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 |
|---|---|---|---|
| May 29, 5:54 PM EDT | Severe Thunderstorm Watch | SPC | 3 hr |
The nearest sounding before it
Brookhaven, NY (KOKX), launched 12:00Z, 10.4 hours before the alert went out and 158 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
- 1578 J/kg
- Mixed-layer CIN
- -112 J/kg
- Mixed-layer LCL
- 960 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- -33 m²/s²
- 0-3 km storm-relative helicity
- -16 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
813
WUUS51 KPHI 292222
SVRPHI
NJC037-292315-
/O.NEW.KPHI.SV.W.0019.120529T2222Z-120529T2315Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
622 PM EDT TUE MAY 29 2012
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHERN SUSSEX COUNTY IN NORTHWEST NEW JERSEY...
THIS INCLUDES THE CITY OF MONTAGUE...
* UNTIL 715 PM EDT
* AT 620 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
NORTHWEST OF CRANDON LAKES...OR 10 MILES SOUTHWEST OF MONTAGUE...
AND MOVING NORTHEAST AT 25 MPH.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
HAINESVILLE AND 7 MILES NORTHWEST OF BRANCHVILLE AROUND 635 PM
EDT...
MONTAGUE AROUND 640 PM EDT...
MONTAGUE AROUND 645 PM EDT...
HIGH POINT AND 6 MILES NORTHWEST OF SUSSEX AROUND 655 PM EDT...
HIGH POINT AROUND 700 PM EDT...
7 MILES NORTHWEST OF VERNON VALLEY AROUND 710 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.
STORMS IN PENNSYLVANIA HAVE HAD A HISTORY OF PRODUCING DESTRUCTIVE
WINDS AND LARGE DAMAGING HAIL. SEEK SHELTER NOW INSIDE A STURDY
STRUCTURE AND STAY AWAY FROM WINDOWS!
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.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM EDT
TUESDAY EVENING FOR NORTHEASTERN PENNSYLVANIA. A SEVERE THUNDERSTORM
WATCH ALSO REMAINS IN EFFECT UNTIL 1000 PM EDT TUESDAY EVENING FOR
NEW JERSEY AND SOUTHEASTERN PENNSYLVANIA.
&&
LAT...LON 4121 7437 4120 7437 4119 7438 4108 7495
4111 7499 4117 7489 4124 7487 4132 7480
4135 7476 4136 7471 4136 7469
TIME...MOT...LOC 2222Z 243DEG 22KT 4120 7490
$$
TFG1 follow-up statement
432
WWUS51 KPHI 292254
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
654 PM EDT TUE MAY 29 2012
NJC037-292315-
/O.CON.KPHI.SV.W.0019.000000T0000Z-120529T2315Z/
SUSSEX NJ-
654 PM EDT TUE MAY 29 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM EDT
FOR NORTHERN SUSSEX COUNTY...
AT 650 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A CLUSTER OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING
QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.
THIS STORM WAS LOCATED NEAR HAINESVILLE...OR NEAR
MONTAGUE...MOVING NORTHEAST AT 20 MPH.
THE SEVERE THUNDERSTORM WILL BE NEAR...
6 MILES NORTHWEST OF SUSSEX BY 705 PM EDT...
HIGH POINT BY 710 PM EDT...
8 MILES NORTHWEST OF VERNON VALLEY BY 715 PM EDT...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD
TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.
PLEASE REPORT HAIL OR STRONG WINDS TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE...1-877-633-6772...WHEN YOU CAN DO SO SAFELY.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM EDT
TUESDAY EVENING FOR NORTHEASTERN PENNSYLVANIA. A SEVERE THUNDERSTORM
WATCH ALSO REMAINS IN EFFECT UNTIL 1000 PM EDT TUESDAY EVENING FOR
NEW JERSEY AND SOUTHEASTERN PENNSYLVANIA.
&&
LAT...LON 4121 7437 4120 7437 4119 7438 4108 7495
4111 7499 4117 7489 4124 7487 4132 7480
4135 7476 4136 7471 4136 7469
TIME...MOT...LOC 2254Z 244DEG 17KT 4126 7473
$$
TFGThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 29, 3:27 AM EDT | Small Craft Advisory | PHI | 21 hr | |
| May 29, 6:32 PM EDT | Severe Thunderstorm Warning | PHI | Morris, Sussex, Warren | 66 min |
| May 29, 6:46 PM EDT | Special Weather Statement | PHI | Hunterdon, Mercer, Somerset | 89 min |
| May 29, 6:51 PM EDT | Areal Flood Advisory | PHI | Sussex, Warren | 114 min |
| May 29, 6:52 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Warren | 53 min |
| May 29, 7:21 PM EDT | Areal Flood Warning | PHI | Sussex | 2 hr |
| May 29, 7:34 PM EDT | Special Weather Statement | PHI | Burlington, Camden, Gloucester, Hunterdon, Mercer, Middlesex and 2 more | 56 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.