Alert archive / New Jersey / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 213, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 29, 2011, 8:34 PM EDT for Burlington County, Ocean County, New Jersey. It was in force for 44 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jul 29, 2011, 8:34 PM EDT (00:34 UTC)
- Expired
- Jul 29, 2011, 9:18 PM EDT
- In force
- 44 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
Counties Burlington County, NJ, Ocean County, NJ
The radar
The Philadelphia radar (KDIX), 24 km from the middle of the area, began a volume at 00:37 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.
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 29, 2:40 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
The nearest sounding before it
Brookhaven, NY (KOKX), launched 00:00Z, 0.6 hours before the alert went out and 151 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
- 863 J/kg
- Mixed-layer CIN
- -77 J/kg
- Mixed-layer LCL
- 499 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 206 m²/s²
- 0-3 km storm-relative helicity
- 354 m²/s²
- Significant tornado parameter
- 0.7
- Supercell composite
- 7.3
The text
As transmitted, in the capitals the NWS used until 2016.
238
WUUS51 KPHI 300034
SVRPHI
NJC005-029-300130-
/O.NEW.KPHI.SV.W.0213.110730T0034Z-110730T0130Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
834 PM EDT FRI JUL 29 2011
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
EAST CENTRAL BURLINGTON COUNTY IN SOUTHERN NEW JERSEY...
OCEAN COUNTY IN SOUTHERN NEW JERSEY...
THIS INCLUDES THE CITY OF TOMS RIVER...
* UNTIL 930 PM EDT
* AT 832 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 NEAR WOODRUFF...OR 14 MILES WEST
OF TOMS RIVER...AND MOVING EAST AT 50 MPH.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
LAKEHURST AND 6 MILES NORTH OF BAMBER LAKE AROUND 840 PM EDT...
PLEASANT PLAINS AROUND 845 PM EDT...
TOMS RIVER AND BEACHWOOD AROUND 850 PM EDT...
SEASIDE HEIGHTS AROUND 855 PM EDT...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD
TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.
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 1100 PM EDT
FRIDAY EVENING FOR NEW JERSEY AND EASTERN PENNSYLVANIA.
&&
LAT...LON 3996 7404 3994 7405 3992 7405 3992 7406
3980 7407 3980 7408 3968 7412 3960 7419
3993 7461 4015 7443 4005 7402 4003 7404
4000 7403
TIME...MOT...LOC 0034Z 292DEG 45KT 4001 7440
$$
ROBERTSON2 follow-up statements
167
WWUS51 KPHI 300059
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
859 PM EDT FRI JUL 29 2011
NJC005-029-300130-
/O.CON.KPHI.SV.W.0213.000000T0000Z-110730T0130Z/
OCEAN NJ-BURLINGTON NJ-
859 PM EDT FRI JUL 29 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 930 PM EDT
FOR EXTREME EAST CENTRAL BURLINGTON AND OCEAN COUNTIES...
AT 858 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR SEASIDE PARK...OR 9
MILES SOUTHEAST OF TOMS RIVER...MOVING EAST AT 50 MPH.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
PLEASE REPORT HAIL OR STRONG WINDS TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE...1-877-633-6772...WHEN YOU CAN DO SO SAFELY.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1100 PM EDT
FRIDAY EVENING FOR NEW JERSEY AND EASTERN PENNSYLVANIA.
&&
LAT...LON 3996 7404 3994 7405 3992 7405 3992 7406
3980 7407 3980 7408 3968 7412 3960 7419
3982 7447 4012 7433 4005 7402 4003 7404
4000 7403
TIME...MOT...LOC 0059Z 292DEG 45KT 3988 7403
$$
HAYES149
WWUS51 KPHI 300118
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
918 PM EDT FRI JUL 29 2011
NJC005-029-300128-
/O.CAN.KPHI.SV.W.0213.000000T0000Z-110730T0130Z/
OCEAN NJ-BURLINGTON NJ-
918 PM EDT FRI JUL 29 2011
...THE SEVERE THUNDERSTORM WARNING FOR EXTREME EAST CENTRAL
BURLINGTON AND OCEAN COUNTIES IS CANCELLED...
THE STORMS THAT PROMPTED THE WARNING HAVE MOVED OFFSHORE AND
WEAKENED.
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 1100 PM EDT
FRIDAY EVENING FOR SOUTHERN NEW JERSEY.
LAT...LON 3996 7404 3994 7405 3992 7405 3992 7406
3980 7407 3980 7408 3968 7412 3960 7419
3982 7447 4012 7433 4005 7402 4003 7404
4000 7403
TIME...MOT...LOC 0118Z 292DEG 45KT 3978 7375
$$
HAYESThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 29, 8:01 PM EDT | Special Weather Statement | PHI | Burlington, Mercer, Ocean | 59 min |
| Jul 29, 8:21 PM EDT | Special Marine Warning | PHI | 84 min | |
| Jul 29, 8:27 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Ocean | 18 min |
| Jul 29, 8:57 PM EDT | Special Weather Statement | PHI | Atlantic | 63 min |
| Jul 29, 9:13 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Burlington, Ocean | 62 min |
| Jul 29, 9:15 PM EDT | Special Marine Warning | PHI | 60 min | |
| Jul 29, 9:34 PM EDT | Special Marine Warning | PHI | 56 min | |
| Jul 29, 10:31 PM EDT | Special Marine Warning | PHI | 59 min | |
| Jul 30, 4:15 PM EDT | Coastal Flood Statement | PHI | Atlantic, Cape May, Ocean | 7 hr |
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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.