Update: the TORNADO WATCH IS NOW IN EFFECT UNTIL 10pm
* Tornado Watch for portions of District Of Columbia Delaware Central and Eastern Maryland Much of New Jersey Southeast New York Central and Eastern Pennsylvania Eastern and Northern Virginia Coastal Waters
* Effective this Friday morning and afternoon from 615 AM until 200 PM EDT.
* Primary threats include... A few tornadoes possible Isolated damaging wind gusts to 60 mph possible
SUMMARY...Isolated to widely scattered thunderstorms are forecast to develop this morning into the early afternoon as a warm front advances northward across the Watch area. Several supercells will likely develop and the stronger storms will potentially yield a risk for tornadoes. Isolated damaging gusts may also accompany the more intense storms.
Showers likely and possibly a thunderstorm. Some of the storms could be severe and produce heavy rainfall. Mostly cloudy, with a high near 85.
Friday Night
Showers and possibly a thunderstorm, mainly before 1am, then scattered showers and thunderstorms after 1am. Some of the storms could be severe and produce heavy rainfall. Low around 71.
WIND ADVISORY IN EFFECT FROM 6 AM TO 8 PM EDT FRIDAY...
* WHAT...Southeast winds 10 to 20 mph with gusts up to occasional
gusts up to 45 to 50 mph expected.
* WHERE...Portions of New Jersey and southeast Pennsylvania.
* WHEN...From 6 AM to 8 PM EDT Friday.
* IMPACTS...Gusty winds will blow around unsecured objects. Frequent
gusts of 35 to 45 mph winds will be possible which when combined
with saturated grounds will have the potential to bring down
trees. Tree limbs could be blown down and a few power outages may
result.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Winds this strong can make driving difficult, especially for high
profile vehicles. Use extra caution.
* WHAT...Flooding caused by excessive rainfall is possible.
* WHERE...Portions of northern Delaware, including the following area, New Castle, New Jersey, including the following areas, Camden, Coastal Ocean, Eastern Monmouth, Gloucester, Hunterdon, Mercer, Middlesex, Northwestern Burlington, Ocean, Salem, Somerset, Southeastern Burlington and Western Monmouth, and southeast Pennsylvania, including the following areas, Delaware, Eastern Chester, Eastern Montgomery, Lower Bucks, Philadelphia, Upper Bucks, Western Chester and Western Montgomery.
* WHEN...From Tuesday afternoon through Wednesday morning.
* IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas.
* ADDITIONAL DETAILS... - A cold front will approach from the north and west on Tuesday and will cross the region Tuesday night. This front will interact with tropical moisture associated with Hurricane Debby to result in heavy downpours over the area. Rainfall totals will average 1 to 2 inches, but locally higher amounts are possible.
A severe thunder storm watch and flood watch have been issued until 9pm. The heat advisory is still in effect until 8pm
FLOOD WATCH IN EFFECT UNTIL MIDNIGHT EDT TONIGHT...
* WHAT...Flash flooding caused by excessive rainfall is possible.
* WHERE...Portions of northern Delaware, including the following area, New Castle, New Jersey, including the following areas, Camden, Coastal Ocean, Eastern Monmouth, Gloucester, Hunterdon, Mercer, Middlesex, Morris, Northwestern Burlington, Ocean, Salem, Somerset, Southeastern Burlington, Sussex, Warren and Western Monmouth, and Pennsylvania, including the following areas, Berks, Carbon, Delaware, Eastern Chester, Eastern Montgomery, Lehigh, Lower Bucks, Monroe, Northampton, Philadelphia, Upper Bucks, Western Chester and Western Montgomery.
* WHEN...Until midnight EDT tonight.
* IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations.
* ADDITIONAL DETAILS... - Storms this afternoon will be capable of heavy rain. Some locations could get multiple rounds of storms, increasing the potential for flash flooding, especially in urban areas and other areas with poor drainage. Although storms may linger past midnight, overnight storms aren`t expected to have as much potential for heavy rainfall. - http://www.weather.gov/safety/flood
PRECAUTIONARY/PREPAREDNESS ACTIONS...
You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued.