Alert archive / New Jersey / Severe Thunderstorm Warnings in 2010
Severe Thunderstorm Warning 155, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Sep 22, 2010, 7:54 PM EDT for 5 counties in New Jersey. It was in force for 36 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
- Sep 22, 2010, 7:54 PM EDT (23:54 UTC)
- Expired
- Sep 22, 2010, 8:30 PM EDT
- In force
- 36 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
Counties Hunterdon County, NJ, Mercer County, NJ, Middlesex County, NJ, Monmouth County, NJ, Somerset County, NJ
The radar
The Philadelphia radar (KDIX), 61 km from the middle of the area, began a volume at 23:54 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, 8:12 PM EDT | TSTM WND DMG | Sayreville, NJ | TREES REPORTED DOWN IN SAYREVILLE, OLD BRIDGE AND SOUTH AMBOY. |
| Sep 22, 8:12 PM EDT | TSTM WND GST 50 | Sayreville, NJ | 50 MPH GUST MEASURED IN SAYREVILLE. |
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 |
|---|---|---|---|
| Sep 22, 3:43 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Brookhaven, NY (KOKX), launched 12:00Z, 11.9 hours before the alert went out and 139 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
- 882 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 185 m²/s²
- 0-3 km storm-relative helicity
- 155 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
872
WUUS51 KPHI 222354
SVRPHI
NJC019-021-023-025-035-230030-
/O.NEW.KPHI.SV.W.0155.100922T2354Z-100923T0030Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
754 PM EDT WED SEP 22 2010
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTH CENTRAL MERCER COUNTY IN CENTRAL NEW JERSEY...
CENTRAL MONMOUTH COUNTY IN CENTRAL NEW JERSEY...
MIDDLESEX COUNTY IN NORTHERN NEW JERSEY...
THIS INCLUDES THE CITY OF NEW BRUNSWICK...
SOMERSET COUNTY IN NORTHERN NEW JERSEY...
THIS INCLUDES THE CITY OF SOMERVILLE...
SOUTHEASTERN HUNTERDON COUNTY IN NORTHWEST NEW JERSEY...
* UNTIL 830 PM EDT
* AT 748 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING
FROM 7 MILES NORTHWEST OF BRIDGEWATER TO FLAGTOWN TO 7 MILES
NORTHWEST OF HOPEWELL...OR ALONG A LINE EXTENDING FROM 10 MILES
NORTHWEST OF SOMERVILLE TO 9 MILES SOUTHWEST OF SOMERVILLE TO 16
MILES NORTHWEST OF TRENTON...AND MOVING EAST AT 45 MPH.
* SEVERE THUNDERSTORMS WILL BE NEAR...
SOMERVILLE...ROCKY HILL...MILLSTONE AND MANVILLE AROUND 800 PM
EDT...
SOUTH BRUNSWICK...MARTINSVILLE...SOMERSET AND PRINCETON AROUND 805
PM EDT...
SOCIETY HILL AND NEW BRUNSWICK AROUND 810 PM EDT...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY! LIGHTNING IS ONE OF NATURES GREATEST KILLERS.
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE
STRUCK BY LIGHTNING.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1100 PM EDT
WEDNESDAY EVENING FOR DELAWARE AND NORTHEASTERN MARYLAND AND NEW
JERSEY AND EASTERN PENNSYLVANIA.
&&
LAT...LON 4050 7429 4050 7431 4049 7429 4029 7430
4023 7438 4042 7489 4049 7476 4069 7475
4061 7442 4059 7444 4060 7436 4058 7429
TIME...MOT...LOC 2354Z 290DEG 40KT 4064 7467 4046 7465
4041 7481
$$
DRAG1 follow-up statement
642
WWUS51 KPHI 230028
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
828 PM EDT WED SEP 22 2010
NJC019-021-023-025-035-230037-
/O.EXP.KPHI.SV.W.0155.000000T0000Z-100923T0030Z/
HUNTERDON NJ-SOMERSET NJ-MERCER NJ-MIDDLESEX NJ-MONMOUTH NJ-
828 PM EDT WED SEP 22 2010
...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL MONMOUTH...
MIDDLESEX...NORTH CENTRAL MERCER...SOMERSET AND SOUTHEASTERN
HUNTERDON COUNTIES WILL EXPIRE AT 830 PM EDT...
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1100 PM EDT
WEDNESDAY EVENING FOR DELAWARE AND NORTHEASTERN MARYLAND AND NEW
JERSEY AND SOUTHEASTERN PENNSYLVANIA.
LAT...LON 4050 7429 4050 7431 4049 7429 4029 7430
4023 7438 4042 7489 4049 7476 4069 7475
4061 7442 4059 7444 4060 7436 4058 7429
TIME...MOT...LOC 0027Z 290DEG 40KT 4051 7422 4033 7420
4028 7436
$$
DRAGThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 21, 9:34 PM EDT | Small Craft Advisory | PHI | 15 hr | |
| Sep 22, 6:08 AM EDT | Coastal Flood Statement | PHI | Atlantic, Cape May, Monmouth, Ocean | 11 hr |
| Sep 22, 5:48 PM EDT | Special Weather Statement | PHI | Morris, Sussex, Warren | 87 min |
| Sep 22, 6:18 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Morris, Sussex, Warren | 42 min |
| Sep 22, 6:58 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Middlesex, Morris, Somerset, Sussex, Warren | 41 min |
| Sep 22, 7:07 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Warren | 53 min |
Nearby
Severe Thunderstorm Warnings in New Jersey, 2010Every severe thunderstorm warning in 2010
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.