Alert archive / New Jersey / Severe Thunderstorm Warnings in 2009
Severe Thunderstorm Warning 140, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 26, 2009, 7:07 PM EDT for Middlesex County, Monmouth County, New Jersey. It was in force for 53 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
- Jul 26, 2009, 7:07 PM EDT (23:07 UTC)
- Expired
- Jul 26, 2009, 8:00 PM EDT
- In force
- 53 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
Counties Middlesex County, NJ, Monmouth County, NJ
The radar
The Philadelphia radar (KDIX), 59 km from the middle of the area, began a volume at 23:10 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 26, 7:10 PM EDT | TSTM WND DMG | Marlboro, NJ | TREE DOWN ON CAR, NO INJURIES. |
| Jul 26, 7:25 PM EDT | TSTM WND DMG | Middletown, NJ | TREE DOWN ON HOUSE. |
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 26, 3:51 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Brookhaven, NY (KOKX), launched 12:00Z, 11.1 hours before the alert went out and 118 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
- 933 J/kg
- Mixed-layer CIN
- -99 J/kg
- Mixed-layer LCL
- 889 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 161 m²/s²
- 0-3 km storm-relative helicity
- 217 m²/s²
- Significant tornado parameter
- 0.5
- Supercell composite
- 3.3
The text
As transmitted, in the capitals the NWS used until 2016.
000
WUUS51 KPHI 262307
SVRPHI
NJC023-025-270000-
/O.NEW.KPHI.SV.W.0140.090726T2307Z-090727T0000Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
707 PM EDT SUN JUL 26 2009
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...
NORTHEASTERN MIDDLESEX COUNTY IN NORTHERN NEW JERSEY...
THIS INCLUDES THE CITY OF PERTH AMBOY...
* UNTIL 800 PM EDT
* AT 705 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR
EAST FREEHOLD...OR 17 MILES SOUTH OF PERTH AMBOY...AND MOVING NORTH
AT 30 MPH.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
ROBERTSVILLE AROUND 715 PM EDT...
MORGANVILLE...HOLMDEL...OLD BRIDGE AND 6 MILES WEST OF LINCROFT
AROUND 720 PM EDT...
MATAWAN AND MIDDLETOWN AROUND 725 PM EDT...
KEANSBURG AROUND 735 PM EDT...
PERTH AMBOY AROUND 740 PM EDT...
CARTERET AROUND 750 PM EDT...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...FREQUENT 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.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1100 PM EDT
SUNDAY EVENING FOR NEW JERSEY AND EASTERN PENNSYLVANIA.
&&
LAT...LON 4017 7412 4021 7440 4060 7426 4060 7421
4057 7420 4055 7424 4047 7426 4044 7420
4046 7418 4046 7412 4041 7402 4042 7399
4044 7402 4047 7401 4047 7399 4043 7396
TIME...MOT...LOC 2306Z 194DEG 24KT 4028 7426
$$
GORSE2 follow-up statements
000
WWUS51 KPHI 262325
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
725 PM EDT SUN JUL 26 2009
NJC023-025-270000-
/O.CON.KPHI.SV.W.0140.000000T0000Z-090727T0000Z/
MIDDLESEX NJ-MONMOUTH NJ-
725 PM EDT SUN JUL 26 2009
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM EDT
FOR MONMOUTH AND EAST CENTRAL MIDDLESEX COUNTIES...
AT 723 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS
LOCATED NEAR MIDDLETOWN...OR 8 MILES WEST OF SANDY HOOK...MOVING
NORTHEAST AT 30 MPH.
THE SEVERE THUNDERSTORM WILL BE NEAR...
NORTH MIDDLETOWN...PORT MONMOUTH...KEANSBURG AND LEONARDO BY 730 PM
EDT...
SANDY HOOK BY 735 PM EDT...
A TRAINED WEATHER SPOTTER REPORTED PENNY SIZE HAIL WITH THIS STORM.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...FREQUENT CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS.
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE
STRUCK BY LIGHTNING.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1100 PM EDT
SUNDAY EVENING FOR NEW JERSEY AND EASTERN PENNSYLVANIA.
&&
LAT...LON 4017 7412 4021 7440 4022 7440 4047 7426
4044 7420 4046 7418 4046 7412 4041 7402
4042 7399 4044 7402 4047 7401 4047 7399
4043 7396
TIME...MOT...LOC 2325Z 204DEG 22KT 4042 7412
$$
GORSE000
WWUS51 KPHI 262357
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
757 PM EDT SUN JUL 26 2009
NJC023-025-270006-
/O.EXP.KPHI.SV.W.0140.000000T0000Z-090727T0000Z/
MIDDLESEX NJ-MONMOUTH NJ-
757 PM EDT SUN JUL 26 2009
...THE SEVERE THUNDERSTORM WARNING FOR MONMOUTH AND EAST CENTRAL
MIDDLESEX COUNTIES WILL EXPIRE AT 800 PM EDT...
THE THUNDERSTORM THAT PROMPTED THE WARNING HAS MOVED OUT OF THE AREA.
A SEVERE THUNDERSTORM WATCH ALSO REMAINS IN EFFECT UNTIL 1100 PM EDT
SUNDAY EVENING FOR NEW JERSEY AND EASTERN PENNSYLVANIA.
LAT...LON 4017 7412 4021 7440 4022 7440 4047 7426
4044 7420 4046 7418 4046 7412 4041 7402
4042 7399 4044 7402 4047 7401 4047 7399
4043 7396
TIME...MOT...LOC 2356Z 204DEG 22KT 4059 7402
$$
GORSEThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 25, 11:08 PM EDT | Flash Flood Warning | PHI | Sussex, Warren | 2 hr |
| Jul 26, 12:15 AM EDT | Flash Flood Warning | PHI | Sussex | 90 min |
| Jul 26, 3:07 AM EDT | Flash Flood Watch | PHI | Hunterdon, Mercer, Middlesex, Morris, Somerset, Sussex and 1 more | 20 hr |
| Jul 26, 3:26 AM EDT | Small Craft Advisory | PHI | 30 hr | |
| Jul 26, 3:29 PM EDT | Severe Thunderstorm Warning | PHI | Monmouth | 61 min |
| Jul 26, 3:30 PM EDT | Special Marine Warning | PHI | 60 min | |
| Jul 26, 4:06 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Warren | 54 min |
| Jul 26, 4:55 PM EDT | Tornado Warning | PHI | Hunterdon, Middlesex, Morris, Somerset | 55 min |
| Jul 26, 7:40 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Mercer, Monmouth, Ocean | 65 min |
Nearby
Severe Thunderstorm Warnings in New Jersey, 2009Every severe thunderstorm warning in 2009
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.