Alert archive / New Jersey / Severe Thunderstorm Watches in 2008
Severe Thunderstorm Watch 893
The Storm Prediction Center issued this severe thunderstorm watch at Sep 9, 2008, 9:33 AM EDT for 7 states. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Sep 9, 2008, 9:33 AM EDT (13:33 UTC)
- Expired
- Sep 9, 2008, 4:00 PM EDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 2 in
- Strongest gust expected
- 60 kt
All 73 counties
Greater Bridgeport Planning Region, CT, Lower Connecticut River Valley Planning Region, CT, Naugatuck Valley Planning Region, CT, Southeastern Connecticut Planning Region, CT, Kent County, DE, New Castle County, DE, Sussex County, DE, Anne Arundel County, MD, Baltimore County, MD, Calvert County, MD, Caroline County, MD, Cecil County, MD, Charles County, MD, City of Baltimore, MD, Dorchester County, MD, Harford County, MD, Howard County, MD, Kent County, MD, Montgomery County, MD, Prince George's County, MD, Queen Anne's County, MD, Saint Mary's County, MD, Talbot County, MD, Wicomico County, MD, Atlantic County, NJ, Bergen County, NJ, Burlington County, NJ, Camden County, NJ, Cape May County, NJ, Cumberland County, NJ, Essex County, NJ, Gloucester County, NJ, Hudson County, NJ, Hunterdon County, NJ, Mercer County, NJ, Middlesex County, NJ, Monmouth County, NJ, Morris County, NJ, Ocean County, NJ, Passaic County, NJ, Salem County, NJ, Somerset County, NJ, Sussex County, NJ, Union County, NJ, Warren County, NJ, Bronx County, NY, Kings County, NY, Nassau County, NY, New York County, NY, Orange County, NY, Putnam County, NY, Queens County, NY, Richmond County, NY, Rockland County, NY, Suffolk County, NY, Westchester County, NY, Bucks County, PA, Chester County, PA, Delaware County, PA, Montgomery County, PA, Philadelphia County, PA, Arlington County, VA, City of Alexandria, VA, City of Fairfax, VA, City of Falls Church, VA, City of Fredericksburg, VA, City of Manassas, VA, City of Manassas Park, VA, Fairfax County, VA, King George County, VA, Prince William County, VA, Spotsylvania County, VA, Stafford County, VA
The radar
The Philadelphia radar (KDIX), 41 km from the middle of the area, began a volume at 13:36 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
- 20%
- One or more EF2 to EF5 tornadoes
- 5%
- Ten or more severe wind reports
- 60%
- One or more gusts of 65 knots or more
- 30%
- Ten or more severe hail reports
- 30%
- One or more hailstones of 2 inches or more
- 20%
- Six or more combined severe hail and wind reports
- 80%
Warnings issued inside it
11 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 9, 9:41 AM EDT | Flash Flood Warning | PHI | Hunterdon, Morris, Somerset | 3 hr |
| Sep 9, 9:59 AM EDT | Flash Flood Warning | PHI | New Castle | 3 hr |
| Sep 9, 10:04 AM EDT | Flash Flood Warning | PHI | Hunterdon, Mercer, Middlesex, Morris, Somerset | 3 hr |
| Sep 9, 10:24 AM EDT | Flash Flood Warning | OKX | Bergen, Essex, Hudson, Passaic, Union | 3 hr |
| Sep 9, 10:57 AM EDT | Severe Thunderstorm Warning | PHI | Burlington, Mercer, Middlesex, Monmouth, Ocean | 48 min |
| Sep 9, 11:07 AM EDT | Severe Thunderstorm Warning | PHI | Burlington, Camden, Gloucester, Salem | 38 min |
| Sep 9, 12:11 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Burlington, Ocean | 49 min |
| Sep 9, 12:44 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Cape May, Cumberland | 46 min |
| Sep 9, 1:07 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Cape May, Cumberland | 53 min |
| Sep 9, 1:09 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 36 min |
| Sep 9, 1:58 PM EDT | Severe Thunderstorm Warning | PHI | Sussex | 92 min |
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 9, 8:35 AM EDT | Mesoscale Discussion | SPC | 115 min | |
| Sep 9, 11:39 AM EDT | Mesoscale Discussion | SPC | 36 min | |
| Sep 9, 11:40 AM EDT | Severe Thunderstorm Watch | SPC | Northeastern Connecticut Planning Region | 3 hr |
| Sep 9, 12:11 PM EDT | Mesoscale Discussion | SPC | 94 min | |
| Sep 9, 2:05 PM EDT | Severe Thunderstorm Watch | SPC | Somerset, Worcester | 6 hr |
| Sep 9, 1:41 PM EDT | Mesoscale Discussion | SPC | Amelia, Appomattox, Bedford, Brunswick, Buckingham, Campbell and 50 more | 64 min |
| Sep 9, 4:49 PM EDT | Mesoscale Discussion | SPC | Amelia, Brunswick, Charles City, Charlotte, Chesterfield, Dinwiddie and 36 more | 86 min |
Nearby
Severe Thunderstorm Watches in New Jersey, 2008Severe Thunderstorm Watches in Maryland, 2008Severe Thunderstorm Watches in Virginia, 2008Every severe thunderstorm watch in 2008
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.