Alert archive / New Jersey / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 236, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Aug 9, 2011, 1:08 PM EDT for 5 counties in New Jersey. It was in force for 67 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
- Aug 9, 2011, 1:08 PM EDT (17:08 UTC)
- Expired
- Aug 9, 2011, 2:15 PM EDT
- In force
- 67 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
Counties Atlantic County, NJ, Camden County, NJ, Cumberland County, NJ, Gloucester County, NJ, Salem County, NJ
The radar
The Philadelphia radar (KDIX), 69 km from the middle of the area, began a volume at 17:08 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 |
|---|---|---|---|
| Aug 9, 1:15 PM EDT | TSTM WND DMG | Woodstown, NJ | TELEPHONE WIRES DOWN IN WOODSTOWN |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 5.1 hours before the alert went out and 87 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
- 210 J/kg
- Mixed-layer CIN
- -77 J/kg
- Mixed-layer LCL
- 1178 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 96 m²/s²
- 0-3 km storm-relative helicity
- 173 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.5
The text
As transmitted, in the capitals the NWS used until 2016.
600 WUUS51 KPHI 091708 SVRPHI NJC001-007-011-015-033-091815- /O.NEW.KPHI.SV.W.0236.110809T1708Z-110809T1815Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 108 PM EDT TUE AUG 9 2011 THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHWESTERN ATLANTIC COUNTY IN SOUTHERN NEW JERSEY... SOUTH CENTRAL CAMDEN COUNTY IN SOUTHERN NEW JERSEY... NORTH CENTRAL CUMBERLAND COUNTY IN SOUTHERN NEW JERSEY... THIS INCLUDES THE CITY OF VINELAND... SOUTHERN GLOUCESTER COUNTY IN SOUTHERN NEW JERSEY... SALEM COUNTY IN SOUTHERN NEW JERSEY... * UNTIL 215 PM EDT * AT 104 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 WOODSTOWN...OR 9 MILES SOUTHEAST OF WILMINGTON...AND MOVING EAST AT 25 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... ELMER AROUND 130 PM EDT... OLIVET AROUND 135 PM EDT... FRANKLINVILLE AND CLAYTON AROUND 140 PM EDT... MALAGA AROUND 145 PM EDT... NEWFIELD AROUND 150 PM EDT... VICTORY LAKES AROUND 155 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. && LAT...LON 3965 7477 3940 7502 3960 7552 3979 7542 TIME...MOT...LOC 1708Z 288DEG 23KT 3966 7535 $$ HEAVENER
3 follow-up statements
432 WWUS51 KPHI 091731 SVSPHI SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 131 PM EDT TUE AUG 9 2011 NJC001-007-011-015-033-091815- /O.CON.KPHI.SV.W.0236.000000T0000Z-110809T1815Z/ SALEM NJ-CUMBERLAND NJ-CAMDEN NJ-GLOUCESTER NJ-ATLANTIC NJ- 131 PM EDT TUE AUG 9 2011 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 215 PM EDT FOR NORTHWESTERN ATLANTIC...SOUTHERN GLOUCESTER...SOUTHEASTERN CAMDEN...NORTH CENTRAL CUMBERLAND AND SALEM COUNTIES... AT 129 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR ELMER...OR 15 MILES NORTHWEST OF VINELAND...MOVING EAST AT 25 MPH. THE SEVERE THUNDERSTORM WILL BE NEAR... FRANKLINVILLE AND CLAYTON BY 140 PM EDT... MALAGA BY 145 PM EDT... NEWFIELD BY 150 PM EDT... VICTORY LAKES BY 155 PM EDT... BUENA BY 200 PM EDT... COLLINGS LAKES BY 205 PM EDT... PRECAUTIONARY/PREPAREDNESS ACTIONS... PLEASE REPORT HAIL OR STRONG WINDS TO THE NATIONAL WEATHER SERVICE BY CALLING TOLL FREE...1-877-633-6772...WHEN YOU CAN DO SO SAFELY. && LAT...LON 3976 7529 3965 7477 3940 7502 3960 7552 TIME...MOT...LOC 1731Z 288DEG 23KT 3961 7517 $$ HEAVENER
774 WWUS51 KPHI 091754 SVSPHI SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 154 PM EDT TUE AUG 9 2011 NJC001-007-011-015-033-091815- /O.CON.KPHI.SV.W.0236.000000T0000Z-110809T1815Z/ SALEM NJ-CUMBERLAND NJ-CAMDEN NJ-GLOUCESTER NJ-ATLANTIC NJ- 154 PM EDT TUE AUG 9 2011 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 215 PM EDT FOR NORTHWESTERN ATLANTIC...SOUTHEASTERN GLOUCESTER...SOUTHEASTERN CAMDEN...NORTH CENTRAL CUMBERLAND AND EASTERN SALEM COUNTIES... AT 151 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 NEWFIELD...OR 7 MILES NORTH OF VINELAND...MOVING EAST AT 25 MPH. THE SEVERE THUNDERSTORM WILL BE NEAR... BUENA BY 200 PM EDT... COLLINGS LAKES BY 205 PM EDT... FOLSOM BY 210 PM EDT... 8 MILES SOUTH OF HAMMONTON BY 215 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. && LAT...LON 3974 7519 3965 7477 3940 7502 3956 7541 TIME...MOT...LOC 1754Z 288DEG 23KT 3956 7499 $$ HEAVENER
768 WWUS51 KPHI 091817 SVSPHI SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 217 PM EDT TUE AUG 9 2011 NJC001-007-011-015-033-091827- /O.EXP.KPHI.SV.W.0236.000000T0000Z-110809T1815Z/ SALEM NJ-CUMBERLAND NJ-CAMDEN NJ-GLOUCESTER NJ-ATLANTIC NJ- 217 PM EDT TUE AUG 9 2011 ...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN ATLANTIC... SOUTHEASTERN GLOUCESTER...SOUTHEASTERN CAMDEN...NORTH CENTRAL CUMBERLAND AND EASTERN SALEM COUNTIES HAS EXPIRED... PLEASE REPORT HAIL OR STRONG WINDS TO THE NATIONAL WEATHER SERVICE BY CALLING TOLL FREE...1-877-633-6772...WHEN YOU CAN DO SO SAFELY. LAT...LON 3974 7519 3965 7477 3940 7502 3956 7541 TIME...MOT...LOC 1754Z 288DEG 23KT 3956 7499 $$ HEAVENER
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 9, 12:18 PM EDT | Severe Thunderstorm Warning | PHI | Gloucester | 57 min |
| Aug 9, 12:32 PM EDT | Tornado Warning | PHI | Gloucester | 28 min |
| Aug 9, 1:02 PM EDT | Special Weather Statement | PHI | Camden, Gloucester, Salem | 58 min |
| Aug 9, 1:17 PM EDT | Special Weather Statement | PHI | Burlington, Camden, Gloucester | 58 min |
| Aug 9, 2:16 PM EDT | Special Weather Statement | PHI | Atlantic | 59 min |
| Aug 9, 2:22 PM EDT | Areal Flood Advisory | PHI | Camden, Cumberland, Gloucester, Salem | 3 hr |
| Aug 9, 2:22 PM EDT | Severe Thunderstorm Warning | PHI | Mercer, Middlesex, Monmouth | 53 min |
| Aug 9, 2:53 PM EDT | Areal Flood Advisory | PHI | Middlesex, Morris, Somerset | 3 hr |
| Aug 9, 3:27 PM EDT | Special Weather Statement | PHI | Atlantic | 63 min |
| Aug 9, 4:13 PM EDT | Special Marine Warning | PHI | 92 min | |
| Aug 9, 5:48 PM EDT | Special Weather Statement | PHI | Gloucester | 87 min |
| Aug 9, 6:54 PM EDT | Special Weather Statement | PHI | Atlantic, Camden, Cape May, Cumberland, Gloucester, Salem | 81 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.