Alert archive / New Jersey / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 20, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at May 29, 2012, 6:32 PM EDT for Morris County, Sussex County, Warren County, New Jersey. It was in force for 66 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, 6:32 PM EDT (22:32 UTC)
- Expired
- May 29, 2012, 7:38 PM EDT
- In force
- 66 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), 118 km from the middle of the area, began a volume at 22:33 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, 6:40 PM EDT | TSTM WND DMG | White Twp, NJ | A COUPLE OF TREES ARE DOWN EAST OF BELVIDERE |
| May 29, 6:55 PM EDT | TSTM WND DMG | Blairstown Twp, NJ | TREES AND WIRES DOWN IN THE NORTH PART OF WARREN COUNTY NEAR BLAIRSTOWN TWP |
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, 10.5 hours before the alert went out and 161 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.
496
WUUS51 KPHI 292232
SVRPHI
NJC027-037-041-300000-
/O.NEW.KPHI.SV.W.0020.120529T2232Z-120530T0000Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
632 PM EDT TUE MAY 29 2012
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHERN MORRIS COUNTY IN NORTHERN NEW JERSEY...
SOUTHERN SUSSEX COUNTY IN NORTHWEST NEW JERSEY...
THIS INCLUDES THE CITY OF NEWTON...
WARREN COUNTY IN NORTHWEST NEW JERSEY...
* UNTIL 800 PM EDT
* AT 629 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 7 MILES
WEST OF COLUMBIA...OR 16 MILES SOUTHEAST OF MOUNT POCONO...AND
MOVING EAST AT 35 MPH.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
COLUMBIA AROUND 640 PM EDT...
HOPE AROUND 650 PM EDT...
BLAIRSTOWN AROUND 655 PM EDT...
FIVE POINTS AROUND 710 PM EDT...
NEWTON AND ANDOVER AROUND 715 PM EDT...
LAKE MOHAWK AROUND 725 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.
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 1000 PM EDT
TUESDAY EVENING FOR NEW JERSEY AND SOUTHEASTERN PENNSYLVANIA.
&&
LAT...LON 4121 7437 4109 7450 4104 7450 4105 7445
4102 7443 4100 7430 4097 7428 4068 7520
4075 7519 4078 7517 4077 7513 4083 7508
4085 7510 4086 7505 4097 7514 4100 7511
4107 7500 4123 7440
TIME...MOT...LOC 2232Z 250DEG 28KT 4093 7519
$$
TFG3 follow-up statements
487
WWUS51 KPHI 292256
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
656 PM EDT TUE MAY 29 2012
NJC027-037-041-300000-
/O.CON.KPHI.SV.W.0020.000000T0000Z-120530T0000Z/
WARREN NJ-MORRIS NJ-SUSSEX NJ-
656 PM EDT TUE MAY 29 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM EDT
FOR SOUTHERN SUSSEX...NORTHERN MORRIS AND WARREN COUNTIES...
AT 655 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR BLAIRSTOWN...OR 15
MILES SOUTHWEST OF NEWTON...MOVING EAST AT 30 MPH.
THE SEVERE THUNDERSTORM WILL BE NEAR...
NEWTON AND ANDOVER BY 725 PM EDT...
HOPATCONG BY 730 PM EDT...
LAKE MOHAWK BY 735 PM EDT...
OGDENSBURG BY 740 PM EDT...
FRANKLIN BY 745 PM EDT...
GREEN POND BY 750 PM EDT...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD
TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.
PLEASE REPORT HAIL OR STRONG WINDS TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE...1-877-633-6772...WHEN YOU CAN DO SO SAFELY.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM EDT
TUESDAY EVENING FOR NORTHEASTERN PENNSYLVANIA. A SEVERE THUNDERSTORM
WATCH ALSO REMAINS IN EFFECT UNTIL 1000 PM EDT TUESDAY EVENING FOR
NEW JERSEY AND SOUTHEASTERN PENNSYLVANIA.
&&
LAT...LON 4121 7438 4109 7450 4104 7450 4105 7445
4102 7442 4100 7430 4097 7428 4070 7516
4075 7515 4082 7508 4085 7510 4086 7505
4097 7514 4100 7511 4107 7500 4123 7441
TIME...MOT...LOC 2256Z 256DEG 25KT 4097 7500
$$
TFG889
WWUS51 KPHI 292328
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
728 PM EDT TUE MAY 29 2012
NJC041-292338-
/O.CAN.KPHI.SV.W.0020.000000T0000Z-120530T0000Z/
WARREN NJ-
728 PM EDT TUE MAY 29 2012
...THE SEVERE THUNDERSTORM WARNING FOR WARREN COUNTY IS CANCELLED...
THE SEVERE THUNDERSTORM HAS MOVED EAST OF THE COUNTY.
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 7438 4109 7450 4104 7450 4105 7445
4102 7443 4100 7430 4097 7428 4079 7488
4079 7489 4083 7482 4088 7480 4091 7477
4104 7470 4123 7441
TIME...MOT...LOC 2328Z 255DEG 25KT 4121 7445 4107 7459
4083 7479
$$
NJC027-037-300000-
/O.CON.KPHI.SV.W.0020.000000T0000Z-120530T0000Z/
MORRIS NJ-SUSSEX NJ-
728 PM EDT TUE MAY 29 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM EDT
FOR SOUTHEASTERN SUSSEX AND NORTHERN MORRIS COUNTIES...
AT 725 PM EDT...A LINE OF SEVERE THUNDERSTORMS WAS REPORTED CAPABLE
OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH. THESE STORMS WERE
LOCATED ALONG A LINE EXTENDING FROM HIGHLAND LAKE TO OGDENSBURG TO
BUDD LAKE...OR ALONG A LINE EXTENDING FROM 18 MILES EAST OF MONTAGUE
TO 7 MILES EAST OF NEWTON TO 16 MILES SOUTH OF NEWTON...MOVING EAST
AT 30 MPH.
SEVERE THUNDERSTORMS WILL BE NEAR...
NETCONG BY 735 PM EDT...
MOUNT ARLINGTON BY 740 PM EDT...
SUCCASUNNA BY 745 PM EDT...
GREEN POND AND WHARTON BY 750 PM EDT...
WHITE MEADOW LAKE...LAKE TELEMARK AND DOVER BY 755 PM EDT...
KINNELON AND BUTLER BY 800 PM EDT...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
PLEASE REPORT HAIL OR STRONG WINDS TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE...1-877-633-6772...WHEN YOU CAN DO SO SAFELY.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT
TUESDAY EVENING FOR NEW JERSEY AND SOUTHEASTERN PENNSYLVANIA.
&&
LAT...LON 4121 7438 4109 7450 4104 7450 4105 7445
4102 7443 4100 7430 4097 7428 4079 7488
4079 7489 4083 7482 4088 7480 4091 7477
4104 7470 4123 7441
TIME...MOT...LOC 2328Z 255DEG 25KT 4121 7445 4107 7459
4083 7479
$$
TFG628
WWUS51 KPHI 292338
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
738 PM EDT TUE MAY 29 2012
NJC027-037-292348-
/O.CAN.KPHI.SV.W.0020.000000T0000Z-120530T0000Z/
MORRIS NJ-SUSSEX NJ-
738 PM EDT TUE MAY 29 2012
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN SUSSEX AND
NORTHERN MORRIS COUNTIES IS CANCELLED...
THE SEVERE THUNDERSTORM HAS MOVED NORTHEAST OF THE AREA.
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 1000 PM EDT
TUESDAY EVENING FOR NEW JERSEY AND SOUTHEASTERN PENNSYLVANIA.
LAT...LON 4121 7438 4109 7450 4104 7450 4105 7445
4102 7443 4100 7430 4097 7428 4079 7488
4079 7489 4083 7482 4088 7480 4091 7477
4104 7470 4123 7441
TIME...MOT...LOC 2338Z 255DEG 25KT 4122 7436 4108 7450
4085 7470
$$
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, 6:22 PM EDT | Severe Thunderstorm Warning | PHI | Sussex | 53 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.