Alert archive / New Jersey / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 235, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Sep 22, 2012, 6:46 PM EDT for Monroe County, Northampton County, Pennsylvania; 4 counties in New Jersey. It was in force for 74 min. 1 report 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
- Sep 22, 2012, 6:46 PM EDT (22:46 UTC)
- Expired
- Sep 22, 2012, 8:00 PM EDT
- In force
- 74 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
Counties Hunterdon County, NJ, Morris County, NJ, Sussex County, NJ, Warren County, NJ, Monroe County, PA, Northampton County, PA
The radar
The Philadelphia radar (KDIX), 134 km from the middle of the area, began a volume at 22:50 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 |
|---|---|---|---|
| Sep 22, 7:10 PM EDT | TSTM WND DMG | Shawnee On Delaware, PA | A COUPLE OF TREES AND TREE LIMBS DOWN POWER OUTAGES IN THE AREA. |
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, 10.8 hours before the alert went out and 178 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 775 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 28 m²/s²
- 0-3 km storm-relative helicity
- 87 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
639
WUUS51 KPHI 222246
SVRPHI
NJC019-027-037-041-PAC089-095-230000-
/O.NEW.KPHI.SV.W.0235.120922T2246Z-120923T0000Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
646 PM EDT SAT SEP 22 2012
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
EASTERN NORTHAMPTON COUNTY IN EASTERN PENNSYLVANIA...
THIS INCLUDES THE CITY OF EASTON...
EASTERN MONROE COUNTY IN NORTHEAST PENNSYLVANIA...
WESTERN MORRIS COUNTY IN NORTHERN NEW JERSEY...
NORTHWESTERN HUNTERDON COUNTY IN NORTHWEST NEW JERSEY...
SUSSEX COUNTY IN NORTHWEST NEW JERSEY...
THIS INCLUDES THE CITY OF NEWTON...
WARREN COUNTY IN NORTHWEST NEW JERSEY...
* UNTIL 800 PM EDT
* AT 641 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS TO
60 MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING
FROM ALPINE MOUNTAIN TO SAYLORSBURG TO GLENDON...OR ALONG A LINE
EXTENDING FROM 25 MILES WEST OF NEWTON TO 14 MILES NORTHWEST OF
EASTON TO EASTON...AND MOVING NORTHEAST AT 25 MPH.
* SEVERE THUNDERSTORMS WILL BE NEAR...
STORMVILLE...PEN ARGYL AND ALPHA AROUND 650 PM EDT...
BANGOR AND BLOOMSBURY AROUND 655 PM EDT...
HARMONY...EAST STROUDSBURG AND EAST BANGOR AROUND 700 PM EDT...
ROXBURG AROUND 705 PM EDT...
BRASS CASTLE AROUND 710 PM EDT...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS...LARGE HAIL...AND DEADLY CLOUD TO
GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.
THIS SEVERE THUNDERSTORM MAY CONTAIN LITTLE OR NO LIGHTNING. DO NOT
WAIT TO HEAR THUNDER BEFORE TAKING COVER. SEEK SHELTER IMMEDIATELY
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.
&&
LAT...LON 4132 7461 4080 7459 4057 7519 4061 7520
4059 7525 4083 7542 4122 7524 4126 7513
4115 7514 4115 7508 4109 7502 4116 7491
4124 7487 4132 7480 4135 7476 4136 7469
TIME...MOT...LOC 2245Z 241DEG 23KT 4118 7517 4087 7531
4065 7520
$$
TFG2 follow-up statements
809
WWUS51 KPHI 222326
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
726 PM EDT SAT SEP 22 2012
NJC019-PAC089-095-222336-
/O.CAN.KPHI.SV.W.0235.000000T0000Z-120923T0000Z/
HUNTERDON NJ-MONROE PA-NORTHAMPTON PA-
726 PM EDT SAT SEP 22 2012
...THE SEVERE THUNDERSTORM WARNING FOR EASTERN NORTHAMPTON...EASTERN
MONROE AND NORTHWESTERN HUNTERDON COUNTIES IS CANCELLED...
THE LINE HAS MOVED INTO NEW JERSEY WITH THE STRONGEST PARTS IN
WARREN AND SUSSEX COUNTIES.
PLEASE REPORT HAIL OR STRONG WINDS TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE...1-877-633-6772...WHEN YOU CAN DO SO SAFELY.
LAT...LON 4132 7461 4082 7470 4075 7483 4079 7489
4071 7498 4059 7519 4075 7519 4078 7517
4077 7513 4083 7508 4085 7510 4086 7505
4099 7513 4108 7497 4109 7499 4111 7499
4117 7489 4132 7480 4136 7469
TIME...MOT...LOC 2326Z 241DEG 23KT 4130 7486 4099 7496
4077 7490
$$
NJC027-037-041-230000-
/O.CON.KPHI.SV.W.0235.000000T0000Z-120923T0000Z/
WARREN NJ-MORRIS NJ-SUSSEX NJ-
726 PM EDT SAT SEP 22 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM EDT
FOR WESTERN SUSSEX...WEST CENTRAL MORRIS AND WARREN COUNTIES...
AT 724 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING
WINDS TO 60 MPH. THESE STORMS WERE LOCATED ALONG A LINE
EXTENDING FROM MONTAGUE TO BLAIRSTOWN TO WASHINGTON...OR ALONG A LINE
EXTENDING FROM 18 MILES NORTH OF NEWTON TO 13 MILES SOUTHWEST OF
NEWTON TO 17 MILES EAST OF EASTON...MOVING NORTHEAST AT 25 MPH.
SEVERE THUNDERSTORMS WILL BE NEAR...
MONTAGUE...HAINESVILLE...FIVE POINTS AND HACKETTSTOWN BY 735 PM
EDT...
LONG VALLEY...ALLAMUCHY AND ALLAMUCHY-PANTHER VALLEY BY 740 PM
EDT...
BUDD LAKE...BRANCHVILLE AND ANDOVER 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.
THIS SEVERE THUNDERSTORM MAY CONTAIN LITTLE OR NO LIGHTNING. DO NOT
WAIT FOR THUNDER BEFORE TAKING COVER. SEEK SHELTER IMMEDIATELY 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.
&&
LAT...LON 4132 7461 4082 7470 4075 7483 4079 7489
4071 7498 4059 7519 4075 7519 4078 7517
4077 7513 4083 7508 4085 7510 4086 7505
4099 7513 4108 7497 4109 7499 4111 7499
4117 7489 4132 7480 4136 7469
TIME...MOT...LOC 2326Z 241DEG 23KT 4130 7486 4099 7496
4077 7490
$$
TFG293
WWUS51 KPHI 222338
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
738 PM EDT SAT SEP 22 2012
NJC027-041-222347-
/O.CAN.KPHI.SV.W.0235.000000T0000Z-120923T0000Z/
WARREN NJ-MORRIS NJ-
738 PM EDT SAT SEP 22 2012
...THE SEVERE THUNDERSTORM WARNING FOR WEST CENTRAL MORRIS AND WARREN
COUNTIES IS CANCELLED...
THE LINE OF THUNDERSTORMS HAS MOVED NORTH OF THE AREA.
PLEASE REPORT HAIL OR STRONG WINDS TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE...1-877-633-6772...WHEN YOU CAN DO SO SAFELY.
LAT...LON 4132 7461 4091 7468 4090 7471 4092 7473
4091 7477 4107 7494 4109 7497 4109 7499
4111 7499 4117 7489 4132 7480 4136 7469
TIME...MOT...LOC 2337Z 241DEG 23KT 4133 7477 4108 7489
4101 7487
$$
NJC037-230000-
/O.CON.KPHI.SV.W.0235.000000T0000Z-120923T0000Z/
SUSSEX NJ-
738 PM EDT SAT SEP 22 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM EDT
FOR WESTERN SUSSEX COUNTY...
AT 732 PM EDT...A LINE OF SEVERE THUNDERSTORMS WAS REPORTED CAPABLE
OF PRODUCING DAMAGING WINDS TO 60 MPH. THESE STORMS WERE
LOCATED ALONG A LINE EXTENDING FROM MONTAGUE TO FLATBROOKVILLE TO 7
MILES SOUTHWEST OF FIVE POINTS...OR ALONG A LINE EXTENDING FROM 18
MILES NORTH OF NEWTON TO 9 MILES WEST OF NEWTON TO 9 MILES SOUTHWEST
OF NEWTON...MOVING NORTHEAST AT 25 MPH.
SEVERE THUNDERSTORMS WILL BE NEAR...
STANHOPE AND ANDOVER BY 750 PM EDT...
HIGH POINT...NEWTON AND BRANCHVILLE BY 755 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.
THIS SEVERE THUNDERSTORM MAY CONTAIN LITTLE OR NO LIGHTNING. DO NOT
WAIT FOR THUNDER BEFORE TAKING COVER. SEEK SHELTER IMMEDIATELY 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.
&&
LAT...LON 4132 7461 4091 7468 4090 7471 4092 7473
4091 7477 4107 7494 4109 7497 4109 7499
4111 7499 4117 7489 4132 7480 4136 7469
TIME...MOT...LOC 2337Z 241DEG 23KT 4133 7477 4108 7489
4101 7487
$$
TFGThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 22, 5:11 PM EDT | Special Weather Statement | PHI | Chester | 64 min |
| Sep 22, 6:02 PM EDT | Special Weather Statement | PHI | Chester, Delaware | 88 min |
| Sep 22, 6:14 PM EDT | Special Weather Statement | PHI | Lehigh | 61 min |
| Sep 22, 6:19 PM EDT | Special Weather Statement | PHI | Northampton | 56 min |
| Sep 22, 7:02 PM EDT | Special Weather Statement | PHI | Delaware, Philadelphia | 58 min |
| Sep 22, 7:39 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Delaware, Philadelphia | 66 min |
| Sep 22, 3:51 AM EDT | Small Craft Advisory | PHI | 34 hr | |
| Sep 22, 5:26 AM EDT | Rip Current Statement | PHI | Atlantic, Cape May, Monmouth, Ocean | 15 hr |
| Sep 22, 7:52 PM EDT | Special Weather Statement | PHI | Somerset | 38 min |
Nearby
Severe Thunderstorm Warnings in New Jersey, 2012Severe Thunderstorm Warnings in Pennsylvania, 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.