Alert archive / New Jersey / Tornado Watches in 2006
Tornado Watch 877
The Storm Prediction Center issued this tornado watch at Dec 1, 2006, 6:11 PM EST for Greater Bridgeport Planning Region, Northwest Hills Planning Region, Connecticut; 11 counties in New Jersey; 11 counties in New York. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- Dec 1, 2006, 6:11 PM EST (23:11 UTC)
- Expired
- Dec 1, 2006, 8:30 PM EST
- In force
- 2 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 1 in
- Strongest gust expected
- 60 kt
All 24 counties
Greater Bridgeport Planning Region, CT, Northwest Hills Planning Region, CT, Bergen County, NJ, Essex County, NJ, Hudson County, NJ, Hunterdon County, NJ, Middlesex County, NJ, Morris County, NJ, Passaic County, NJ, Somerset County, NJ, Sussex County, NJ, Union County, NJ, Warren County, NJ, Bronx County, NY, Dutchess County, NY, Kings County, NY, New York County, NY, Orange County, NY, Putnam County, NY, Queens County, NY, Richmond County, NY, Rockland County, NY, Ulster County, NY, Westchester County, NY
The radar
The Albany radar (KENX), 132 km from the middle of the area, began a volume at 23:14 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 SPC expected
The probabilities SPC published with the watch, for the watch area over its life.
- Two or more tornadoes
- 40%
- One or more EF2 to EF5 tornadoes
- 20%
- Ten or more severe wind reports
- 70%
- One or more gusts of 65 knots or more
- 40%
- Ten or more severe hail reports
- 10%
- One or more hailstones of 2 inches or more
- 5%
- Six or more combined severe hail and wind reports
- 90%
Warnings issued inside it
7 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 1, 6:26 PM EST | Tornado Warning | ALY | Dutchess | 53 min |
| Dec 1, 6:33 PM EST | Severe Thunderstorm Warning | OKX | Greater Bridgeport Planning Region | 87 min |
| Dec 1, 6:40 PM EST | Severe Thunderstorm Warning | ALY | Northwest Hills Planning Region | 65 min |
| Dec 1, 7:03 PM EST | Tornado Warning | ALY | Northwest Hills Planning Region | 35 min |
| Dec 1, 7:43 PM EST | Severe Thunderstorm Warning | PHI | Middlesex, Monmouth | 53 min |
| Dec 1, 7:50 PM EST | Severe Thunderstorm Warning | OKX | Hudson | 25 min |
| Dec 1, 8:00 PM EST | Severe Thunderstorm Warning | OKX | Greater Bridgeport Planning Region, Naugatuck Valley Planning Region | 45 min |
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
The nearest sounding before it
Brookhaven, NY (KOKX), launched 12:00Z, 11.2 hours before the alert went out and 134 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
- 31 J/kg
- Mixed-layer CIN
- -104 J/kg
- Mixed-layer LCL
- 538 m above ground
- 0-6 km bulk shear
- 67 kt
- 0-1 km storm-relative helicity
- 41 m²/s²
- 0-3 km storm-relative helicity
- 125 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 1, 3:24 PM EST | Severe Thunderstorm Watch | SPC | Northwest Hills Planning Region | 7 hr |
| Dec 1, 4:08 PM EST | Mesoscale Discussion | SPC | 2 hr | |
| Dec 1, 6:15 PM EST | Mesoscale Discussion | SPC | 60 min | |
| Dec 1, 6:47 PM EST | Severe Thunderstorm Watch | SPC | Capitol Planning Region, Lower Connecticut River Valley Planning Region, Naugatuck Valley Planning Region, Southeastern Connecticut Planning Region, Northeastern Connecticut Planning Region | 118 min |
| Dec 1, 11:38 AM EST | Mesoscale Discussion | SPC | Atlantic, Bergen, Burlington, Camden, Cape May, Cumberland and 15 more | 2 hr |
| Dec 1, 11:54 AM EST | Severe Thunderstorm Watch | SPC | Allegany, Broome, Cattaraugus, Cayuga, Chemung, Chenango and 16 more | 6 hr |
| Dec 1, 12:26 PM EST | Mesoscale Discussion | SPC | Clinton | 6 hr |
| Dec 1, 6:13 AM EST | Severe Thunderstorm Watch | SPC | Beaver, Butler, Lawrence, Mercer, Venango | 5 hr |
| Dec 1, 8:44 AM EST | Mesoscale Discussion | SPC | Beaver, Butler, Lawrence, Mercer, Venango | 61 min |
| Dec 1, 10:09 AM EST | Severe Thunderstorm Watch | SPC | Adams, Allegheny, Armstrong, Beaver, Bedford, Blair and 42 more | 8 hr |
Nearby
Tornado Watches in New Jersey, 2006Tornado Watches in New York, 2006Tornado Watches in Connecticut, 2006Every tornado watch in 2006
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.