Alert archive / New Jersey / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 302, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Sep 12, 2011, 12:24 AM EDT for Ocean County, New Jersey. It was in force for 66 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
- Sep 12, 2011, 12:24 AM EDT (04:24 UTC)
- Expired
- Sep 12, 2011, 1:30 AM EDT
- In force
- 66 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
County Ocean County, NJ
The radar
The Philadelphia radar (KDIX), 25 km from the middle of the area, began a volume at 04:26 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 nearest sounding before it
Brookhaven, NY (KOKX), launched 00:00Z, 4.4 hours before the alert went out and 147 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
- 30 J/kg
- Mixed-layer CIN
- -70 J/kg
- Mixed-layer LCL
- 549 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 84 m²/s²
- 0-3 km storm-relative helicity
- 122 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted, in the capitals the NWS used until 2016.
976
WUUS51 KPHI 120424
SVRPHI
NJC029-120530-
/O.NEW.KPHI.SV.W.0302.110912T0424Z-110912T0530Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1224 AM EDT MON SEP 12 2011
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHERN OCEAN COUNTY IN SOUTHERN NEW JERSEY...
THIS INCLUDES THE CITY OF TOMS RIVER...
* UNTIL 130 AM EDT
* AT 1222 AM 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
LAKEHURST...OR 9 MILES WEST OF TOMS RIVER...AND MOVING EAST AT 25
MPH.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
PLEASANT PLAINS AND BEACHWOOD AROUND 1240 AM EDT...
TOMS RIVER AND LEISURE VILLAGE AROUND 1245 AM EDT...
BRICK TOWNSHIP AROUND 1255 AM EDT...
SEASIDE HEIGHTS AND MANTOLOKING AROUND 100 AM EDT...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...DANGEROUS 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.
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 4003 7404 3996 7404 3992 7406 3987 7406
3986 7407 3987 7410 3991 7409 3987 7413
3991 7446 4009 7444 4009 7402 4005 7402
TIME...MOT...LOC 0424Z 275DEG 20KT 4000 7433
$$
MPD2 follow-up statements
396
WWUS51 KPHI 120451
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1251 AM EDT MON SEP 12 2011
NJC029-120530-
/O.CON.KPHI.SV.W.0302.000000T0000Z-110912T0530Z/
OCEAN NJ-
1251 AM EDT MON SEP 12 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 130 AM EDT
FOR CENTRAL OCEAN COUNTY...
AT 1247 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SLOWLY WEAKENING THUNDERSTORM THAT STILL HAD THE CAPABILITY OF
PRODUCING DAMAGING WINDS. THIS STORM WAS LOCATED NEAR HOLIDAY
CITY-DOVER...OR NEAR TOMS RIVER...MOVING EAST AT 25 MPH.
THE SEVERE THUNDERSTORM WILL BE NEAR...
BRICK TOWNSHIP BY 1255 AM EDT...
LAVALLETTE...SEASIDE HEIGHTS...SEASIDE PARK AND MANTOLOKING BY 100
AM EDT...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
PLEASE REPORT HAIL OR STRONG WINDS TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE...1-877-633-6772...WHEN YOU CAN DO SO SAFELY.
&&
LAT...LON 4003 7404 3996 7404 3992 7406 3987 7406
3986 7407 3987 7410 3991 7409 3987 7413
3990 7437 4009 7427 4009 7402 4005 7402
TIME...MOT...LOC 0449Z 275DEG 20KT 3999 7415
$$
MPD387
WWUS51 KPHI 120522
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
122 AM EDT MON SEP 12 2011
NJC029-120532-
/O.EXP.KPHI.SV.W.0302.000000T0000Z-110912T0530Z/
OCEAN NJ-
122 AM EDT MON SEP 12 2011
...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL OCEAN COUNTY WILL
EXPIRE AT 130 AM EDT...
THE THREAT OF SEVERE WEATHER HAS DIMINISHED.
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 4003 7404 3996 7404 3992 7406 3987 7406
3986 7407 3987 7410 3991 7409 3987 7413
3990 7437 4009 7427 4009 7402 4005 7402
TIME...MOT...LOC 0522Z 275DEG 20KT 3997 7391
$$
MPDThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 11, 10:44 PM EDT | Areal Flood Advisory | PHI | Salem | 107 min |
| Sep 11, 10:52 PM EDT | Special Weather Statement | PHI | Mercer | 83 min |
| Sep 11, 11:02 PM EDT | Areal Flood Advisory | PHI | Salem | 103 min |
| Sep 11, 11:05 PM EDT | Special Weather Statement | PHI | Salem | 85 min |
| Sep 11, 11:10 PM EDT | Severe Thunderstorm Warning | PHI | Cumberland, Gloucester, Salem | 65 min |
| Sep 11, 11:15 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Monmouth, Ocean | 60 min |
| Sep 12, 12:17 AM EDT | Special Weather Statement | PHI | Ocean | 58 min |
| Sep 12, 12:34 AM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Burlington, Camden, Cumberland, Gloucester, Salem | 56 min |
| Sep 12, 1:29 AM EDT | Special Weather Statement | PHI | Atlantic, Burlington, Cumberland, Ocean | 61 min |
| Sep 12, 1:33 AM EDT | Special Marine Warning | PHI | 117 min | |
| Sep 12, 11:05 AM EDT | Coastal Flood Statement | PHI | Burlington, Camden, Gloucester | 6 hr |
| Sep 12, 2:15 PM EDT | Special Weather Statement | PHI | Sussex | 60 min |
| Sep 12, 3:59 PM EDT | Special Weather Statement | PHI | Morris | 91 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.