Alert archive / New Jersey / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 85, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 1, 2011, 4:59 PM EDT for Middlesex County, Monmouth County, New Jersey. It was in force for 61 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
- Jun 1, 2011, 4:59 PM EDT (20:59 UTC)
- Expired
- Jun 1, 2011, 6:00 PM EDT
- In force
- 61 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
Counties Middlesex County, NJ, Monmouth County, NJ
The radar
The Philadelphia radar (KDIX), 52 km from the middle of the area, began a volume at 21:02 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 |
|---|---|---|---|
| Jun 1, 5:11 PM EDT | HAIL 0.25 | Old Bridge, NJ | |
| Jun 1, 5:15 PM EDT | HAIL 1 | Manalapan, NJ | |
| Jun 1, 5:26 PM EDT | HAIL 0.75 | Marlboro, 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 |
|---|---|---|---|
| Jun 1, 12:58 PM EDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Brookhaven, NY (KOKX), launched 12:00Z, 9.0 hours before the alert went out and 125 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
- 83 J/kg
- Mixed-layer CIN
- -625 J/kg
- Mixed-layer LCL
- 1113 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 157 m²/s²
- 0-3 km storm-relative helicity
- 227 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 5.5
The text
As transmitted, in the capitals the NWS used until 2016.
785
WUUS51 KPHI 012059
SVRPHI
NJC023-025-012200-
/O.NEW.KPHI.SV.W.0085.110601T2059Z-110601T2200Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
459 PM EDT WED JUN 1 2011
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHERN MONMOUTH COUNTY IN CENTRAL NEW JERSEY...
THIS INCLUDES THE CITY OF SANDY HOOK...
SOUTHERN MIDDLESEX COUNTY IN NORTHERN NEW JERSEY...
* UNTIL 600 PM EDT
* AT 454 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL. THIS
STORM WAS LOCATED NEAR SOUTH BRUNSWICK...OR 12 MILES SOUTHWEST OF
NEW BRUNSWICK...AND MOVING EAST AT 35 MPH.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
JAMESBURG AND CLEARBROOK PARK AROUND 505 PM EDT...
EAST BRUNSWICK AROUND 510 PM EDT...
OLD BRIDGE AND YORKETOWN AROUND 515 PM EDT...
ROBERTSVILLE AROUND 520 PM EDT...
MORGANVILLE...MATAWAN AND MARLBORO AROUND 525 PM EDT...
HOLMDEL AROUND 530 PM EDT...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. IF A TORNADO
IS SPOTTED... ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A STURDY
STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM EDT WEDNESDAY EVENING
FOR NEW JERSEY AND EASTERN PENNSYLVANIA.
&&
LAT...LON 4027 7397 4023 7399 4023 7448 4027 7450
4034 7465 4041 7459 4044 7452 4048 7427
4044 7420 4046 7418 4046 7412 4042 7399
4044 7402 4047 7401 4047 7399 4041 7396
TIME...MOT...LOC 2059Z 264DEG 31KT 4034 7452
$$
MPD2 follow-up statements
434
WWUS51 KPHI 012117
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
517 PM EDT WED JUN 1 2011
NJC023-025-012200-
/O.CON.KPHI.SV.W.0085.000000T0000Z-110601T2200Z/
MIDDLESEX NJ-MONMOUTH NJ-
517 PM EDT WED JUN 1 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM EDT
FOR NORTHERN MONMOUTH AND SOUTHEASTERN MIDDLESEX COUNTIES...
AT 515 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS
LOCATED NEAR ROBERTSVILLE...OR 10 MILES SOUTHEAST OF NEW BRUNSWICK...
MOVING EAST AT 35 MPH.
THE SEVERE THUNDERSTORM WILL BE NEAR...
MORGANVILLE...STRATHMORE...MARLBORO AND MATAWAN BY 525 PM EDT...
HOLMDEL...KEYPORT AND UNION BEACH BY 530 PM EDT...
MIDDLETOWN...LINCROFT AND PORT MONMOUTH BY 535 PM EDT...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. IF A TORNADO
IS SPOTTED... ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A STURDY
STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.
THE TORNADO WATCH IS IN EFFECT UNTIL 800 PM EDT WEDNESDAY
EVENING FOR NEW JERSEY AND EASTERN PENNSYLVANIA.
&&
LAT...LON 4027 7397 4023 7399 4023 7444 4031 7444
4035 7447 4039 7442 4046 7438 4048 7427
4044 7420 4046 7418 4046 7412 4042 7399
4044 7402 4047 7401 4047 7399 4041 7396
TIME...MOT...LOC 2117Z 264DEG 31KT 4035 7432
$$
MPD149
WWUS51 KPHI 012147
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
547 PM EDT WED JUN 1 2011
NJC023-012157-
/O.CAN.KPHI.SV.W.0085.000000T0000Z-110601T2200Z/
MIDDLESEX NJ-
547 PM EDT WED JUN 1 2011
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN MIDDLESEX COUNTY
IS CANCELLED...
A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM EDT WEDNESDAY EVENING
FOR NEW JERSEY AND EASTERN PENNSYLVANIA. A SEVERE THUNDERSTORM WATCH
ALSO REMAINS IN EFFECT UNTIL 1000 PM EDT WEDNESDAY EVENING FOR
DELAWARE AND NORTHEASTERN MARYLAND AND SOUTHERN NEW JERSEY.
LAT...LON 4027 7397 4023 7399 4023 7406 4033 7414
4040 7413 4045 7408 4042 7399 4044 7402
4047 7401 4047 7399 4041 7396
TIME...MOT...LOC 2147Z 267DEG 27KT 4035 7402
$$
NJC025-012200-
/O.CON.KPHI.SV.W.0085.000000T0000Z-110601T2200Z/
MONMOUTH NJ-
547 PM EDT WED JUN 1 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM EDT
FOR NORTHEASTERN MONMOUTH COUNTY...
AT 545 PM EDT...A SEVERE THUNDERSTORM WAS REPORTED CAPABLE OF
PRODUCING QUARTER SIZE HAIL. THIS STORM WAS LOCATED NEAR FAIR
HAVEN...OR 7 MILES SOUTHWEST OF SANDY HOOK...MOVING EAST AT 30 MPH.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. IF A TORNADO
IS SPOTTED... ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A STURDY
STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.
THE TORNADO WATCH IS IN EFFECT UNTIL 800 PM EDT WEDNESDAY EVENING
FOR NEW JERSEY AND EASTERN PENNSYLVANIA.
&&
LAT...LON 4027 7397 4023 7399 4023 7406 4033 7414
4040 7413 4045 7408 4042 7399 4044 7402
4047 7401 4047 7399 4041 7396
TIME...MOT...LOC 2147Z 267DEG 27KT 4035 7402
$$
MPDThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 1, 1:57 PM EDT | Severe Thunderstorm Warning | PHI | Warren | 63 min |
| Jun 1, 3:08 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Warren | 16 min |
| Jun 1, 3:26 PM EDT | Special Weather Statement | PHI | Sussex | 64 min |
| Jun 1, 4:00 PM EDT | Small Craft Advisory | PHI | 35 hr | |
| Jun 1, 4:05 PM EDT | Severe Thunderstorm Warning | PHI | Morris, Sussex, Warren | 40 min |
| Jun 1, 4:15 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Mercer, Middlesex, Monmouth, Somerset | 45 min |
| Jun 1, 4:31 PM EDT | Severe Thunderstorm Warning | PHI | Monmouth, Ocean | 59 min |
| Jun 1, 5:23 PM EDT | Special Weather Statement | PHI | Salem | 67 min |
| Jun 1, 5:50 PM EDT | Special Marine Warning | PHI | 40 min | |
| Jun 1, 6:11 PM EDT | Severe Thunderstorm Warning | PHI | Monmouth, Ocean | 64 min |
| Jun 1, 6:42 PM EDT | Special Marine Warning | PHI | 63 min | |
| Jun 1, 7:22 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Ocean | 43 min |
Nearby
Severe Thunderstorm Warnings in New Jersey, 2011Every severe thunderstorm warning in 2011
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.