Alert archive / New Jersey / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 172, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Aug 5, 2012, 7:38 PM EDT for Middlesex County, Monmouth County, Ocean County, New Jersey. It was in force for 67 min. 2 reports 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 5, 2012, 7:38 PM EDT (23:38 UTC)
- Expired
- Aug 5, 2012, 8:45 PM EDT
- In force
- 67 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
Counties Middlesex County, NJ, Monmouth County, NJ, Ocean County, NJ
The radar
The Philadelphia radar (KDIX), 40 km from the middle of the area, began a volume at 23:38 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 5, 8:00 PM EDT | TSTM WND DMG | Long Branch, NJ | WIRES DOWN IN LONG BRANCH. |
| Aug 5, 8:05 PM EDT | MARINE TSTM WIND 47 | Brick Twp, 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 5, 3:36 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Brookhaven, NY (KOKX), launched 12:00Z, 11.6 hours before the alert went out and 129 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
- 2201 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 477 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 11 m²/s²
- 0-3 km storm-relative helicity
- 3 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
844
WUUS51 KPHI 052338
SVRPHI
NJC023-025-029-060045-
/O.NEW.KPHI.SV.W.0172.120805T2338Z-120806T0045Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
738 PM EDT SUN AUG 5 2012
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
MONMOUTH COUNTY IN CENTRAL NEW JERSEY...
THIS INCLUDES THE CITY OF SANDY HOOK...
EASTERN MIDDLESEX COUNTY IN NORTHERN NEW JERSEY...
THIS INCLUDES THE CITY OF PERTH AMBOY...
NORTHERN OCEAN COUNTY IN SOUTHERN NEW JERSEY...
THIS INCLUDES THE CITY OF TOMS RIVER...
* UNTIL 845 PM EDT
* AT 734 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS. THESE STORMS WERE LOCATED ALONG A
LINE EXTENDING FROM PERTH AMBOY TO CEDAR GLEN LAKES...AND MOVING
EAST AT 25 MPH.
* SEVERE THUNDERSTORMS WILL BE NEAR...
WHITING...MARLBORO...JACKSONS MILLS AND CEDAR GLEN LAKES AROUND 745
PM EDT...
JACKSON...HOLMDEL...ADELPHIA AND LAKEHURST AROUND 750 PM EDT...
FREEWOOD ACRES AND BAMBER LAKE AROUND 755 PM EDT...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS...LARGE 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 SUNDAY
EVENING FOR NORTHERN DELAWARE AND NORTHEASTERN MARYLAND AND NEW
JERSEY AND SOUTHEAST PENNSYLVANIA.
&&
LAT...LON 3987 7407 3986 7408 3986 7410 3992 7410
3986 7413 3985 7443 4003 7452 4056 7431
4057 7422 4057 7421 4054 7424 4047 7425
4045 7420 4046 7412 4042 7401 4048 7402
4048 7400 4044 7397 4029 7397
TIME...MOT...LOC 2338Z 266DEG 20KT 4048 7422 3993 7445
$$
IOVINO1 follow-up statement
464
WWUS51 KPHI 060012
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
812 PM EDT SUN AUG 5 2012
NJC023-060021-
/O.CAN.KPHI.SV.W.0172.000000T0000Z-120806T0045Z/
MIDDLESEX NJ-
812 PM EDT SUN AUG 5 2012
...THE SEVERE THUNDERSTORM WARNING FOR EASTERN MIDDLESEX COUNTY IS
CANCELLED...
THE SEVERE THUNDERSTORMS HAVE MOVED TO THE EAST OF MIDDLESEX COUNTY.
PLEASE REPORT HAIL OR STRONG WINDS TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE...1-877-633-6772...WHEN YOU CAN DO SO SAFELY.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM EDT SUNDAY
EVENING FOR NORTHERN DELAWARE AND NORTHEASTERN MARYLAND AND NEW
JERSEY AND SOUTHEAST PENNSYLVANIA.
LAT...LON 3987 7407 3986 7408 3986 7410 3992 7410
3986 7413 3985 7443 4046 7412 4042 7401
4048 7402 4048 7400 4044 7397 4029 7397
TIME...MOT...LOC 0011Z 266DEG 20KT 4049 7398 3994 7421
$$
NJC025-029-060045-
/O.CON.KPHI.SV.W.0172.000000T0000Z-120806T0045Z/
MONMOUTH NJ-OCEAN NJ-
812 PM EDT SUN AUG 5 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 PM EDT
FOR NORTHERN OCEAN AND EASTERN MONMOUTH COUNTIES...
AT 808 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS. THESE STORMS WERE LOCATED
ALONG A LINE EXTENDING FROM SANDY HOOK TO TOMS RIVER...MOVING EAST
AT 25 MPH.
SEVERE THUNDERSTORMS WILL BE NEAR...
WEST LONG BRANCH...WEST BELMAR...WANAMASSA AND SILVERTON BY 820 PM
EDT...
BRIELLE...ELBERON...SPRING LAKE HEIGHTS AND SPRING LAKE BY 825 PM
EDT...
SEASIDE PARK AND SEASIDE HEIGHTS BY 830 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 3987 7407 3986 7408 3986 7410 3992 7410
3986 7413 3985 7443 4046 7412 4042 7401
4048 7402 4048 7400 4044 7397 4029 7397
TIME...MOT...LOC 0011Z 266DEG 20KT 4049 7398 3994 7421
$$
IOVINOThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 5, 3:49 AM EDT | Flash Flood Watch | PHI | Hunterdon, Middlesex, Morris, Somerset, Sussex, Warren | 16 hr |
| Aug 5, 1:00 PM EDT | Special Weather Statement | PHI | Warren | 30 min |
| Aug 5, 1:20 PM EDT | Special Weather Statement | PHI | Sussex | 85 min |
| Aug 5, 5:13 PM EDT | Severe Thunderstorm Warning | PHI | Morris, Sussex, Warren | 77 min |
| Aug 5, 5:22 PM EDT | Severe Thunderstorm Warning | PHI | Gloucester, Hunterdon, Salem, Warren | 68 min |
| Aug 5, 5:38 PM EDT | Severe Thunderstorm Warning | PHI | Gloucester, Salem | 82 min |
| Aug 5, 5:52 PM EDT | Special Marine Warning | PHI | 83 min | |
| Aug 5, 6:16 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Camden, Gloucester, Hunterdon, Mercer, Middlesex and 3 more | 74 min |
| Aug 5, 6:21 PM EDT | Severe Thunderstorm Warning | PHI | Cumberland, Salem | 39 min |
| Aug 5, 7:09 PM EDT | Special Weather Statement | PHI | Atlantic, Cumberland | 66 min |
| Aug 5, 7:30 PM EDT | Special Weather Statement | PHI | Atlantic, Cumberland, Monmouth, Ocean | 60 min |
| Aug 5, 7:40 PM EDT | Special Marine Warning | PHI | 95 min |
Nearby
Severe Thunderstorm Warnings in New Jersey, 2012Every severe thunderstorm warning in 2012
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.