Alert archive / New Jersey / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 273, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Aug 19, 2011, 5:29 PM EDT for 5 counties in New Jersey. It was in force for 50 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 19, 2011, 5:29 PM EDT (21:29 UTC)
- Expired
- Aug 19, 2011, 6:19 PM EDT
- In force
- 50 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
The radar
The Philadelphia radar (KDIX), 26 km from the middle of the area, began a volume at 21:31 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 19, 5:45 PM EDT | HAIL 0.5 | New Egypt, NJ |
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 |
|---|---|---|---|
| Aug 19, 1:04 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
The nearest sounding before it
Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 9.5 hours before the alert went out and 156 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
- 146 J/kg
- Mixed-layer CIN
- -154 J/kg
- Mixed-layer LCL
- 1250 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 359 m²/s²
- 0-3 km storm-relative helicity
- 370 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
037 WUUS51 KPHI 192129 SVRPHI NJC005-021-023-025-029-192230- /O.NEW.KPHI.SV.W.0273.110819T2129Z-110819T2230Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 529 PM EDT FRI AUG 19 2011 THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHEASTERN MERCER COUNTY IN CENTRAL NEW JERSEY... SOUTHWESTERN MONMOUTH COUNTY IN CENTRAL NEW JERSEY... SOUTH CENTRAL MIDDLESEX COUNTY IN NORTHERN NEW JERSEY... NORTH CENTRAL BURLINGTON COUNTY IN SOUTHERN NEW JERSEY... NORTHWESTERN OCEAN COUNTY IN SOUTHERN NEW JERSEY... * UNTIL 630 PM EDT * AT 527 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 CREAM RIDGE...OR 14 MILES SOUTHEAST OF TRENTON...AND MOVING NORTH AT 15 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... CREAM RIDGE AROUND 535 PM EDT... IMLAYSTOWN AROUND 545 PM EDT... ALLENTOWN AND 7 MILES WEST OF CLARKSBURG AROUND 550 PM EDT... ROOSEVELT AROUND 600 PM EDT... TWIN RIVERS AND WINDSOR AROUND 610 PM EDT... EDINBURG AND HIGHTSTOWN AROUND 615 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 900 PM EDT FRIDAY EVENING FOR NORTHERN DELAWARE AND NEW JERSEY AND EASTERN PENNSYLVANIA. && LAT...LON 4027 7469 4032 7429 4001 7433 3999 7456 TIME...MOT...LOC 2129Z 168DEG 13KT 4011 7455 $$ TFG
1 follow-up statement
404 WWUS51 KPHI 192219 SVSPHI SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 619 PM EDT FRI AUG 19 2011 NJC005-021-023-025-029-192228- /O.CAN.KPHI.SV.W.0273.000000T0000Z-110819T2230Z/ MERCER NJ-MIDDLESEX NJ-MONMOUTH NJ-OCEAN NJ-BURLINGTON NJ- 619 PM EDT FRI AUG 19 2011 ...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL BURLINGTON... NORTHWESTERN OCEAN...SOUTHWESTERN MONMOUTH...SOUTH CENTRAL MIDDLESEX AND SOUTHEASTERN MERCER COUNTIES IS CANCELLED... THE THUNDERSTORM HAS MOVED INTO MIDDLESEX COUNTY AND NO LONGER APPEARS SEVERE. PLEASE REPORT HAIL OR STRONG WINDS TO THE NATIONAL WEATHER SERVICE BY CALLING TOLL FREE...1-877-633-6772...WHEN YOU CAN DO SO SAFELY. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM EDT FRIDAY EVENING FOR NORTHERN DELAWARE AND NEW JERSEY AND EASTERN PENNSYLVANIA. LAT...LON 4027 7469 4032 7429 4001 7433 3999 7456 TIME...MOT...LOC 2218Z 168DEG 13KT 4028 7460 $$ TFG
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 18, 8:11 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Camden, Gloucester | 64 min |
| Aug 18, 8:26 PM EDT | Areal Flood Advisory | PHI | Burlington, Camden, Gloucester | 112 min |
| Aug 18, 8:31 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Mercer | 59 min |
| Aug 18, 8:48 PM EDT | Special Weather Statement | PHI | Warren | 57 min |
| Aug 18, 8:48 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Mercer, Middlesex, Monmouth, Ocean | 57 min |
| Aug 18, 8:59 PM EDT | Severe Thunderstorm Warning | PHI | Morris, Sussex, Warren | 61 min |
| Aug 18, 9:48 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Middlesex, Morris, Somerset, Warren | 57 min |
| Aug 18, 9:53 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Cape May, Cumberland, Salem | 67 min |
| Aug 18, 9:57 PM EDT | Severe Thunderstorm Warning | PHI | Morris | 43 min |
| Aug 19, 12:19 AM EDT | Special Marine Warning | PHI | 26 min | |
| Aug 19, 12:19 AM EDT | Special Weather Statement | PHI | Cape May | 41 min |
| Aug 19, 12:50 AM EDT | Special Weather Statement | PHI | Cumberland, Salem | 40 min |
| Aug 19, 1:14 AM EDT | Areal Flood Advisory | PHI | Atlantic, Burlington, Camden, Cumberland, Gloucester, Mercer and 1 more | 3 hr |
| Aug 19, 1:31 AM EDT | Special Weather Statement | PHI | Cumberland, Gloucester, Salem | 59 min |
| Aug 19, 2:28 AM EDT | Special Weather Statement | PHI | Camden, Cumberland, Gloucester, Salem | 47 min |
| Aug 19, 2:48 AM EDT | Special Weather Statement | PHI | Monmouth, Ocean | 57 min |
| Aug 19, 3:06 AM EDT | Areal Flood Advisory | PHI | Atlantic, Cape May, Cumberland | 114 min |
| Aug 19, 3:21 AM EDT | Areal Flood Advisory | PHI | Middlesex, Monmouth, Ocean | 114 min |
| Aug 19, 6:24 AM EDT | Special Weather Statement | PHI | Mercer, Middlesex | 36 min |
| Aug 19, 6:37 AM EDT | Special Weather Statement | PHI | Middlesex | 23 min |
| Aug 19, 1:34 PM EDT | Special Marine Warning | PHI | 41 min | |
| Aug 19, 2:39 PM EDT | Special Marine Warning | PHI | 96 min | |
| Aug 19, 3:23 PM EDT | Special Marine Warning | PHI | 67 min | |
| Aug 19, 4:05 PM EDT | Special Weather Statement | PHI | Camden | 55 min |
| Aug 19, 4:15 PM EDT | Special Marine Warning | PHI | 90 min | |
| Aug 19, 4:29 PM EDT | Severe Thunderstorm Warning | PHI | Warren | 61 min |
| Aug 19, 4:32 PM EDT | Areal Flood Advisory | PHI | Sussex, Warren | 2 hr |
| Aug 19, 4:38 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Camden | 67 min |
| Aug 19, 4:42 PM EDT | Areal Flood Advisory | PHI | Burlington, Camden, Gloucester, Salem | 4 hr |
| Aug 19, 5:12 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Morris, Sussex, Warren | 78 min |
| Aug 19, 5:27 PM EDT | Areal Flood Advisory | PHI | Monmouth, Ocean | 111 min |
| Aug 19, 5:47 PM EDT | Special Marine Warning | PHI | 118 min | |
| Aug 19, 5:49 PM EDT | Areal Flood Advisory | PHI | Hunterdon, Mercer, Middlesex, Morris, Somerset | 104 min |
| Aug 19, 5:59 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Mercer, Morris, Somerset | 80 min |
| Aug 19, 6:14 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Camden, Gloucester, Mercer, Salem | 65 min |
| Aug 19, 6:24 PM EDT | Severe Thunderstorm Warning | PHI | Morris | 28 min |
| Aug 19, 6:54 PM EDT | Severe Thunderstorm Warning | PHI | Middlesex, Monmouth | 31 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.