Alert archive / New Jersey / Severe Thunderstorm Warnings in 2013
Severe Thunderstorm Warning 4, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Apr 10, 2013, 5:35 PM EDT for Sussex County, Warren County, New Jersey. It was in force for 55 min. 3 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
- Apr 10, 2013, 5:35 PM EDT (21:35 UTC)
- Expired
- Apr 10, 2013, 6:30 PM EDT
- In force
- 55 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
Counties Sussex County, NJ, Warren County, NJ
The radar
The Philadelphia radar (KDIX), 125 km from the middle of the area, began a volume at 21:36 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 |
|---|---|---|---|
| Apr 10, 6:00 PM EDT | TSTM WND DMG | Montague, NJ | TREES DOWN |
| Apr 10, 6:00 PM EDT | HAIL 0.62 | Montague, NJ | |
| Apr 10, 6:00 PM EDT | HAIL 0.75 | Montague, 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, 9.6 hours before the alert went out and 166 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
- 998 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 1 m²/s²
- 0-3 km storm-relative helicity
- 64 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
076
WUUS51 KPHI 102135
SVRPHI
NJC037-041-102230-
/O.NEW.KPHI.SV.W.0004.130410T2135Z-130410T2230Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
535 PM EDT WED APR 10 2013
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SUSSEX COUNTY IN NORTHWEST NEW JERSEY...
THIS INCLUDES THE CITY OF NEWTON...
NORTHERN WARREN COUNTY IN NORTHWEST NEW JERSEY...
* UNTIL 630 PM EDT
* AT 532 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS
OF 60 MPH. THIS STORM WAS LOCATED 7 MILES WEST OF
FLATBROOKVILLE...OR 17 MILES SOUTH OF BLOOMING GROVE...AND MOVING
EAST AT 40 MPH.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
FLATBROOKVILLE AND MILLBROOK AROUND 545 PM EDT...
FIVE POINTS AND CRANDON LAKES AROUND 550 PM EDT...
NEWTON AROUND 600 PM EDT...
ANDOVER AROUND 605 PM EDT...
LAKE MOHAWK...OGDENSBURG AND HOPATCONG AROUND 610 PM EDT...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS...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...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.
&&
LAT...LON 4121 7437 4097 7464 4092 7465 4090 7470
4092 7473 4091 7478 4080 7485 4079 7508
4085 7509 4085 7507 4087 7505 4098 7514
4109 7496 4109 7499 4118 7489 4123 7487
4132 7480 4136 7469
TIME...MOT...LOC 2135Z 286DEG 33KT 4112 7505
$$
JJM1 follow-up statement
856
WWUS51 KPHI 102156
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
556 PM EDT WED APR 10 2013
NJC037-041-102230-
/O.CON.KPHI.SV.W.0004.000000T0000Z-130410T2230Z/
WARREN NJ-SUSSEX NJ-
556 PM EDT WED APR 10 2013
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM EDT
FOR SUSSEX AND NORTHERN WARREN COUNTIES...
AT 549 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH AND LARGE HAIL. THIS STORM WAS LOCATED NEAR CRANDON
LAKES...OR 9 MILES NORTHWEST OF NEWTON...MOVING EAST AT 40 MPH.
THE SEVERE THUNDERSTORM WILL BE NEAR...
PELLETTOWN AND SUSSEX BY 605 PM EDT...
HAMBURG...FRANKLIN...SUSSEX AND 6 MILES NORTH OF OGDENSBURG BY 610
PM EDT...
VERNON VALLEY BY 615 PM EDT...
HIGHLAND LAKE BY 620 PM EDT...
ADDITIONAL THUNDERSTORMS IN SOUTHERN MONROE COUNTY WILL BE MOVING
EAST...MOVING INTO NORTHERN WARREN COUNTY AROUND 600 PM.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THESE ARE DANGEROUS STORMS. IF YOU ARE IN THEIR PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS...LARGE DESTRUCTIVE HAIL...AND DEADLY
CLOUD TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A
SHELTER...PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.
&&
LAT...LON 4121 7437 4097 7464 4092 7465 4090 7470
4092 7473 4091 7478 4080 7485 4079 7508
4085 7509 4085 7507 4087 7505 4098 7514
4109 7496 4109 7499 4118 7489 4123 7487
4132 7480 4136 7469
TIME...MOT...LOC 2152Z 268DEG 37KT 4115 7482
$$
JJMThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 10, 3:52 PM EDT | Small Craft Advisory | PHI | 60 hr | |
| Apr 10, 6:56 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Warren | 49 min |
| Apr 10, 7:41 PM EDT | Special Weather Statement | PHI | Hunterdon | 64 min |
Nearby
Severe Thunderstorm Warnings in New Jersey, 2013Every severe thunderstorm warning in 2013
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.