Alert archive / New Jersey / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 120, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 22, 2011, 4:39 PM EDT for 6 counties in New Jersey. It was in force for 66 min. 4 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 22, 2011, 4:39 PM EDT (20:39 UTC)
- Expired
- Jun 22, 2011, 5:45 PM EDT
- In force
- 66 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
Counties Burlington County, NJ, Mercer County, NJ, Middlesex County, NJ, Monmouth County, NJ, Ocean County, NJ, Somerset County, NJ
The radar
The Philadelphia radar (KDIX), 48 km from the middle of the area, began a volume at 20:41 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 22, 5:18 PM EDT | HAIL 0.25 | Jackson Twp, NJ | PEA SIZE HAIL REPORTED IN JACKSON TWP |
| Jun 22, 5:20 PM EDT | TSTM WND DMG | East Windsor Twp, NJ | FIVE POWER POLES DOWN IN EAST WINDSOR TWP |
| Jun 22, 5:25 PM EDT | TSTM WND DMG | Six Flags Theme Park, NJ | COUPLE OF TREES DOWN AT SIX FLAGS |
| Jun 22, 5:27 PM EDT | FUNNEL CLOUD | Jackson Twp, NJ | FUNNEL CLOUD SIGHTED OVER JACKSON TWP |
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, 8.7 hours before the alert went out and 121 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
- 367 J/kg
- Mixed-layer CIN
- -44 J/kg
- Mixed-layer LCL
- 717 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 47 m²/s²
- 0-3 km storm-relative helicity
- 105 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.5
The text
As transmitted, in the capitals the NWS used until 2016.
711
WUUS51 KPHI 222039
SVRPHI
NJC005-021-023-025-029-035-222145-
/O.NEW.KPHI.SV.W.0120.110622T2039Z-110622T2145Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
439 PM EDT WED JUN 22 2011
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
EASTERN MERCER COUNTY IN CENTRAL NEW JERSEY...
MONMOUTH COUNTY IN CENTRAL NEW JERSEY...
THIS INCLUDES THE CITY OF SANDY HOOK...
SOUTHERN MIDDLESEX COUNTY IN NORTHERN NEW JERSEY...
SOUTH CENTRAL SOMERSET COUNTY IN NORTHERN NEW JERSEY...
EXTREME NORTH CENTRAL BURLINGTON COUNTY IN SOUTHERN NEW JERSEY...
NORTHERN OCEAN COUNTY IN SOUTHERN NEW JERSEY...
* UNTIL 545 PM EDT
* AT 437 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
HIGHTSTOWN...OR 12 MILES EAST OF TRENTON...AND MOVING EAST AT 25
MPH.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
TWIN RIVERS...CLEARBROOK PARK AND ROOSEVELT AROUND 445 PM EDT...
JAMESBURG AROUND 450 PM EDT...
MANALAPAN AROUND 455 PM EDT...
YORKETOWN AROUND 500 PM EDT...
WEST FREEHOLD AND ROBERTSVILLE AROUND 505 PM EDT...
MARLBORO AND ADELPHIA AROUND 510 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.
&&
LAT...LON 4014 7402 4005 7402 4004 7403 4015 7468
4042 7463 4045 7411 4041 7400 4042 7399
4045 7402 4046 7398 4045 7398 4041 7396
4032 7396
TIME...MOT...LOC 2039Z 273DEG 24KT 4028 7453
$$
MPD1 follow-up statement
284
WWUS51 KPHI 222121
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
521 PM EDT WED JUN 22 2011
NJC005-021-023-035-222131-
/O.CAN.KPHI.SV.W.0120.000000T0000Z-110622T2145Z/
SOMERSET NJ-MERCER NJ-MIDDLESEX NJ-BURLINGTON NJ-
521 PM EDT WED JUN 22 2011
...THE SEVERE THUNDERSTORM WARNING FOR EXTREME NORTH CENTRAL
BURLINGTON...SOUTHERN MIDDLESEX...EASTERN MERCER AND SOUTH CENTRAL
SOMERSET COUNTIES IS CANCELLED...
LAT...LON 4014 7402 4005 7402 4004 7403 4012 7451
4033 7431 4045 7411 4041 7400 4042 7399
4045 7402 4046 7398 4045 7398 4041 7396
4032 7396
TIME...MOT...LOC 2121Z 251DEG 17KT 4029 7403 4010 7435
$$
NJC025-029-222145-
/O.CON.KPHI.SV.W.0120.000000T0000Z-110622T2145Z/
MONMOUTH NJ-OCEAN NJ-
521 PM EDT WED JUN 22 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM EDT
FOR NORTHERN OCEAN AND MONMOUTH COUNTIES...
AT 519 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE AN AREA OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING
QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THESE
STORMS WERE LOCATED ALONG A LINE EXTENDING FROM EATONTOWN TO
CASSVILLE...OR ALONG A LINE EXTENDING FROM 11 MILES SOUTH OF SANDY
HOOK TO 14 MILES NORTHWEST OF TOMS RIVER...MOVING EAST AT 20 MPH.
SEVERE THUNDERSTORMS WILL BE NEAR...
LONG BRANCH...MONMOUTH BEACH AND RUMSON BY 530 PM EDT...
SEA BRIGHT BY 535 PM EDT...
ELBERON...OAKHURST AND LAKEWOOD BY 540 PM EDT...
WANAMASSA...DEAL AND INTERLAKEN BY 545 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 NUMBER ONE KILLERS.
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE
STRUCK BY LIGHTNING.
&&
LAT...LON 4014 7402 4005 7402 4004 7403 4012 7451
4033 7431 4045 7411 4041 7400 4042 7399
4045 7402 4046 7398 4045 7398 4041 7396
4032 7396
TIME...MOT...LOC 2121Z 251DEG 17KT 4029 7403 4010 7435
$$
MPDThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 22, 3:31 AM EDT | Special Marine Warning | PHI | 59 min | |
| Jun 22, 8:39 AM EDT | Special Weather Statement | PHI | Morris, Sussex | 36 min |
| Jun 22, 9:31 AM EDT | Special Weather Statement | PHI | Morris, Sussex | 44 min |
| Jun 22, 3:07 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Ocean | 53 min |
| Jun 22, 3:59 PM EDT | Special Weather Statement | PHI | Mercer | 61 min |
| Jun 22, 3:59 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Monmouth, Ocean | 61 min |
| Jun 22, 4:06 PM EDT | Special Marine Warning | PHI | 84 min | |
| Jun 22, 4:09 PM EDT | Special Weather Statement | PHI | Sussex | 66 min |
| Jun 22, 4:17 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Burlington, Camden, Cumberland, Gloucester, Salem | 58 min |
| Jun 22, 4:37 PM EDT | Severe Thunderstorm Warning | PHI | Morris, Sussex, Warren | 53 min |
| Jun 22, 4:53 PM EDT | Tornado Warning | PHI | Sussex, Warren | 37 min |
| Jun 22, 5:11 PM EDT | Tornado Warning | PHI | Hunterdon, Morris, Sussex, Warren | 34 min |
| Jun 22, 5:31 PM EDT | Tornado Warning | PHI | Monmouth, Ocean | 29 min |
| Jun 22, 5:43 PM EDT | Severe Thunderstorm Warning | PHI | Morris, Somerset | 48 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.