Alert archive / New Jersey / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 214, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 29, 2011, 9:13 PM EDT for Atlantic County, Burlington County, Ocean County, New Jersey. It was in force for 62 min. 1 report 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
- Jul 29, 2011, 9:13 PM EDT (01:13 UTC)
- Expired
- Jul 29, 2011, 10:15 PM EDT
- In force
- 62 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
Counties Atlantic County, NJ, Burlington County, NJ, Ocean County, NJ
The radar
The Philadelphia radar (KDIX), 50 km from the middle of the area, began a volume at 01:15 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 |
|---|---|---|---|
| Jul 29, 9:36 PM EDT | TSTM WND DMG | Port Republic, NJ | TREES WIRES DOWN |
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 |
|---|---|---|---|
| Jul 29, 2:40 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
The nearest sounding before it
Wallops Is Stn, VA (KWAL), launched 00:00Z, 1.2 hours before the alert went out and 195 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
- 809 J/kg
- Mixed-layer CIN
- -75 J/kg
- Mixed-layer LCL
- 1692 m above ground
- 0-6 km bulk shear
- 12 kt
- 0-1 km storm-relative helicity
- 48 m²/s²
- 0-3 km storm-relative helicity
- 103 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The text
As transmitted, in the capitals the NWS used until 2016.
128
WUUS51 KPHI 300113
SVRPHI
NJC001-005-029-300215-
/O.NEW.KPHI.SV.W.0214.110730T0113Z-110730T0215Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
913 PM EDT FRI JUL 29 2011
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
ATLANTIC COUNTY IN SOUTHERN NEW JERSEY...
THIS INCLUDES THE CITY OF ATLANTIC CITY...
SOUTHEASTERN BURLINGTON COUNTY IN SOUTHERN NEW JERSEY...
SOUTH CENTRAL OCEAN COUNTY IN SOUTHERN NEW JERSEY...
* UNTIL 1015 PM EDT
* AT 911 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 HAMMONTON...OR 20 MILES
NORTHEAST OF VINELAND...AND MOVING SOUTHEAST AT 30 MPH.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
BATSTO AND ELWOOD AROUND 920 PM EDT...
EGG HARBOR CITY AND WADING RIVER AROUND 930 PM EDT...
6 MILES SOUTHWEST OF NEW GRETNA AROUND 935 PM EDT...
PORT REPUBLIC AND POMONA AROUND 940 PM EDT...
ABSECON AROUND 945 PM EDT...
BRIGANTINE AND 6 MILES NORTHEAST OF ATLANTIC CITY AROUND 1000 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 SOUTHERN NEW JERSEY.
&&
LAT...LON 3950 7428 3950 7433 3953 7434 3953 7440
3949 7438 3949 7432 3945 7429 3935 7441
3933 7448 3935 7451 3938 7446 3936 7452
3961 7487 3981 7463 3958 7431 3952 7429
3956 7428 3954 7424 3953 7424
TIME...MOT...LOC 0113Z 310DEG 27KT 3964 7470
$$
HAYES3 follow-up statements
507
WWUS51 KPHI 300128
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
928 PM EDT FRI JUL 29 2011
NJC001-005-029-300215-
/O.CON.KPHI.SV.W.0214.000000T0000Z-110730T0215Z/
OCEAN NJ-ATLANTIC NJ-BURLINGTON NJ-
928 PM EDT FRI JUL 29 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1015 PM EDT
FOR SOUTHEASTERN BURLINGTON...EASTERN ATLANTIC AND SOUTH CENTRAL
OCEAN COUNTIES...
AT 923 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR EGG HARBOR CITY...OR
19 MILES NORTHWEST OF ATLANTIC CITY...MOVING SOUTHEAST AT 30 MPH.
THE SEVERE THUNDERSTORM WILL BE NEAR...
6 MILES SOUTHWEST OF NEW GRETNA BY 935 PM EDT...
PORT REPUBLIC AND POMONA BY 940 PM EDT...
ABSECON AND 7 MILES SOUTHWEST OF MYSTIC ISLAND BY 945 PM EDT...
6 MILES NORTHEAST OF PLEASANTVILLE BY 950 PM EDT...
ATLANTIC CITY AND 8 MILES NORTHEAST OF VENTNOR CITY BY 955 PM
EDT...
BRIGANTINE BY 1000 PM EDT...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
PLEASE REPORT HAIL OR STRONG WINDS TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE...1-877-633-6772...WHEN YOU CAN DO SO SAFELY.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1100 PM EDT
FRIDAY EVENING FOR SOUTHERN NEW JERSEY.
&&
LAT...LON 3950 7428 3950 7433 3953 7434 3953 7440
3949 7438 3949 7432 3945 7429 3935 7441
3933 7448 3935 7451 3938 7446 3936 7452
3956 7478 3975 7455 3958 7431 3952 7429
3956 7428 3954 7424 3953 7424
TIME...MOT...LOC 0128Z 310DEG 27KT 3956 7459
$$
HAYES813
WWUS51 KPHI 300148
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
948 PM EDT FRI JUL 29 2011
NJC001-005-029-300215-
/O.CON.KPHI.SV.W.0214.000000T0000Z-110730T0215Z/
OCEAN NJ-ATLANTIC NJ-BURLINGTON NJ-
948 PM EDT FRI JUL 29 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1015 PM EDT
FOR SOUTHEASTERN BURLINGTON...EASTERN ATLANTIC AND SOUTH CENTRAL
OCEAN COUNTIES...
AT 944 PM EDT...A SEVERE THUNDERSTORM WAS REPORTED CAPABLE OF
PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED
NEAR PORT REPUBLIC...OR 8 MILES NORTH OF ATLANTIC CITY...MOVING
SOUTHEAST AT 30 MPH.
THE SEVERE THUNDERSTORM WILL BE NEAR...
ATLANTIC CITY AND 8 MILES NORTHEAST OF VENTNOR CITY BY 955 PM
EDT...
BRIGANTINE BY 1000 PM EDT...
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 SOUTHERN NEW JERSEY.
&&
LAT...LON 3950 7428 3950 7433 3953 7434 3953 7440
3949 7438 3949 7432 3945 7429 3935 7441
3933 7448 3935 7451 3938 7446 3936 7452
3948 7468 3965 7442 3958 7431 3952 7429
3956 7428 3954 7424 3953 7424
TIME...MOT...LOC 0148Z 310DEG 27KT 3946 7444
$$
HAYES354
WWUS51 KPHI 300211
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1011 PM EDT FRI JUL 29 2011
NJC001-005-029-300221-
/O.EXP.KPHI.SV.W.0214.000000T0000Z-110730T0215Z/
OCEAN NJ-ATLANTIC NJ-BURLINGTON NJ-
1011 PM EDT FRI JUL 29 2011
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN BURLINGTON...
EASTERN ATLANTIC AND SOUTH CENTRAL OCEAN COUNTIES WILL EXPIRE AT 1015
PM EDT...
THE STORM THAT PROMPTED THE WARNING HAS MOVED OFFSHORE.
PLEASE REPORT HAIL OR STRONG WINDS TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE...1-877-633-6772...WHEN YOU CAN DO SO SAFELY.
LAT...LON 3950 7428 3950 7433 3953 7434 3953 7440
3949 7438 3949 7432 3945 7429 3935 7441
3933 7448 3935 7451 3938 7446 3936 7452
3948 7468 3965 7442 3958 7431 3952 7429
3956 7428 3954 7424 3953 7424
TIME...MOT...LOC 0211Z 310DEG 27KT 3935 7427
$$
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, 8:34 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Ocean | 44 min |
| Jul 29, 8:57 PM EDT | Special Weather Statement | PHI | Atlantic | 63 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.