Alert archive / New Jersey / Severe Thunderstorm Watches in 2014
Severe Thunderstorm Watch 193
The Storm Prediction Center issued this severe thunderstorm watch at May 27, 2014, 5:30 PM EDT for Kent County, New Castle County, Sussex County, Delaware; 10 counties in New Jersey; 4 counties in Pennsylvania. It was in force for 3 hr.
The area
The outline as issued.
The facts
- Issued
- May 27, 2014, 5:30 PM EDT (21:30 UTC)
- Expired
- May 27, 2014, 8:27 PM EDT
- In force
- 3 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 1 in
- Strongest gust expected
- 60 kt
Counties Kent County, DE, New Castle County, DE, Sussex County, DE, Atlantic County, NJ, Burlington County, NJ, Camden County, NJ, Cape May County, NJ, Cumberland County, NJ, Gloucester County, NJ, Mercer County, NJ, Monmouth County, NJ, Ocean County, NJ, Salem County, NJ, Bucks County, PA, Delaware County, PA, Montgomery County, PA, Philadelphia County, PA
The radar
The Philadelphia radar (KDIX), 53 km from the middle of the area, began a volume at 21:30 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
- 10%
- One or more EF2 to EF5 tornadoes
- 2%
- Ten or more severe wind reports
- 30%
- One or more gusts of 65 knots or more
- 10%
- Ten or more severe hail reports
- 30%
- One or more hailstones of 2 inches or more
- 10%
- Six or more combined severe hail and wind reports
- 60%
Warnings issued inside it
5 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 27, 5:52 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 53 min |
| May 27, 5:56 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 64 min |
| May 27, 6:38 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Camden, Monmouth, Ocean | 52 min |
| May 27, 7:15 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 60 min |
| May 27, 7:55 PM EDT | Severe Thunderstorm Warning | PHI | Sussex | 65 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
Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 9.5 hours before the alert went out and 106 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1885 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 85 m²/s²
- 0-3 km storm-relative helicity
- 94 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 |
|---|---|---|---|---|
| May 27, 6:39 PM EDT | Mesoscale Discussion | SPC | Kent, New Castle, Sussex | 36 min |
| May 27, 1:43 PM EDT | Mesoscale Discussion | SPC | Hunterdon, Sussex, Warren | 62 min |
| May 27, 3:02 PM EDT | Mesoscale Discussion | SPC | Bergen, Essex, Passaic | 58 min |
| May 27, 2:13 PM EDT | Severe Thunderstorm Watch | SPC | Adams, Bedford, Berks, Blair, Bradford, Cambria and 34 more | 8 hr |
Nearby
Severe Thunderstorm Watches in New Jersey, 2014Severe Thunderstorm Watches in Pennsylvania, 2014Severe Thunderstorm Watches in Delaware, 2014Every severe thunderstorm watch in 2014
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.