Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 68, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 1, 2012, 3:25 PM EDT for Monroe County, Northampton County, Pennsylvania; Sussex County, Warren County, New Jersey. It was in force for 65 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
- Jul 1, 2012, 3:25 PM EDT (19:25 UTC)
- Expired
- Jul 1, 2012, 4:30 PM EDT
- In force
- 65 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
Counties 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 19:26 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 |
|---|---|---|---|
| Jul 1, 4:10 PM EDT | HAIL 1 | Blairstown, NJ |
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 |
|---|---|---|---|
| Jul 1, 1:35 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Brookhaven, NY (KOKX), launched 12:00Z, 7.4 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
- 254 J/kg
- Mixed-layer CIN
- -82 J/kg
- Mixed-layer LCL
- 1757 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 5 m²/s²
- 0-3 km storm-relative helicity
- 40 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
The text
As transmitted, in the capitals the NWS used until 2016.
894
WUUS51 KPHI 011925
SVRPHI
NJC037-041-PAC089-095-012030-
/O.NEW.KPHI.SV.W.0068.120701T1925Z-120701T2030Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
325 PM EDT SUN JUL 1 2012
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHEASTERN NORTHAMPTON COUNTY IN EASTERN PENNSYLVANIA...
MONROE COUNTY IN NORTHEAST PENNSYLVANIA...
THIS INCLUDES THE CITY OF MOUNT POCONO...
SOUTHERN SUSSEX COUNTY IN NORTHWEST NEW JERSEY...
THIS INCLUDES THE CITY OF NEWTON...
NORTHERN WARREN COUNTY IN NORTHWEST NEW JERSEY...
* UNTIL 430 PM EDT
* AT 322 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 NEAR
ALPINE MOUNTAIN...OR 7 MILES EAST OF MOUNT POCONO...AND MOVING EAST
AT 35 MPH.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
ECHO LAKE AROUND 340 PM EDT...
FLATBROOKVILLE AROUND 345 PM EDT...
BLAIRSTOWN AROUND 350 PM EDT...
FIVE POINTS AROUND 355 PM EDT...
NEWTON AROUND 405 PM EDT...
ANDOVER AROUND 410 PM EDT...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...DANGEROUS 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.
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 800 PM EDT SUNDAY
EVENING FOR NORTHERN NEW JERSEY AND EASTERN PENNSYLVANIA.
&&
LAT...LON 4125 7512 4115 7514 4115 7508 4109 7503
4117 7489 4111 7450 4096 7464 4093 7465
4090 7470 4092 7473 4091 7477 4079 7487
4108 7557 4124 7547 4126 7520
TIME...MOT...LOC 1924Z 286DEG 30KT 4111 7521
$$
MPD1 follow-up statement
831
WWUS51 KPHI 011954
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
354 PM EDT SUN JUL 1 2012
NJC037-041-PAC089-095-012030-
/O.CON.KPHI.SV.W.0068.000000T0000Z-120701T2030Z/
WARREN NJ-SUSSEX NJ-MONROE PA-NORTHAMPTON PA-
354 PM EDT SUN JUL 1 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 PM EDT
FOR NORTHEASTERN NORTHAMPTON...EAST CENTRAL MONROE...SOUTHERN SUSSEX
AND NORTHERN WARREN COUNTIES...
AT 347 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS OF 60 MPH. THIS STORM WAS LOCATED NEAR
ECHO LAKE...OR 15 MILES WEST OF NEWTON...MOVING EAST AT 30 MPH.
THE SEVERE THUNDERSTORM WILL BE NEAR...
FIVE POINTS AND 6 MILES SOUTH OF CRANDON LAKES BY 405 PM EDT...
NEWTON BY 415 PM EDT...
ANDOVER BY 420 PM EDT...
LAKE MOHAWK...HOPATCONG AND 6 MILES NORTH OF STANHOPE BY 425 PM
EDT...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SO FAR...SMALL HAIL HAD BEEN REPORTED WITH THIS STORM...AND IT STILL
HAS THE POTENTIAL TO STRENGTHEN. IN ADDITION TO THE THREAT OF LARGE
HAIL AND DAMAGING WINDS...DANGEROUS CLOUD TO GROUND LIGHTNING IS
OCCURRING WITH THIS STORM. MOVE INDOORS IMMEDIATELY! LIGHTNING IS
ONE OF NATURES NUMBER ONE KILLERS. REMEMBER...IF YOU CAN HEAR
THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING.
PLEASE REPORT HAIL OR STRONG WINDS TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE...1-877-633-6772...WHEN YOU CAN DO SO SAFELY.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM EDT SUNDAY
EVENING FOR NORTHERN NEW JERSEY AND EASTERN PENNSYLVANIA.
&&
LAT...LON 4111 7450 4096 7464 4093 7465 4090 7470
4092 7473 4091 7477 4079 7487 4099 7534
4111 7524 4115 7509 4109 7503 4110 7499
4117 7489
TIME...MOT...LOC 1952Z 286DEG 27KT 4107 7500
$$
MPDThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 1, 3:11 PM EDT | Special Weather Statement | PHI | Monroe | 79 min |
| Jul 1, 4:31 PM EDT | Severe Thunderstorm Warning | PHI | Morris, Sussex, Warren | 59 min |
| Jul 1, 4:38 PM EDT | Special Weather Statement | PHI | Middlesex | 52 min |
| Jul 1, 5:31 PM EDT | Special Weather Statement | PHI | Morris | 59 min |
Nearby
Severe Thunderstorm Warnings in Pennsylvania, 2012Severe 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.