The National Weather Service in Cleveland has issued a

* Severe Thunderstorm Warning for…
Southeastern Erie County in northwestern Pennsylvania…
Northeastern Crawford County in northwestern Pennsylvania…

* Until 1130 PM EDT.

* At 1029 PM EDT, severe thunderstorms were located along a line
extending from Mayville to near Corry to near Girard, moving
southeast at 35 mph.

HAZARD…60 mph wind gusts and quarter size hail.

SOURCE…Radar indicated.

IMPACT…Minor damage to vehicles is possible. Expect damage to
trees and power lines.

* Locations impacted include…
Corry, Edinboro, Titusville, Cambridge Springs, Riceville,
Canadohta Lake, Lincolnville, Hydetown, Mill Village, and
Spartansburg.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

For your protection move to an interior room on the lowest floor of a
building.

Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

HAIL THREAT…RADAR INDICATED;
MAX HAIL SIZE…1.00 IN;
WIND THREAT…RADAR INDICATED;
MAX WIND GUST…60 MPH

…FLOOD ADVISORY IN EFFECT UNTIL 215 AM EDT THURSDAY…

* WHAT…Flooding caused by excessive rainfall is expected.

* WHERE…Erie County in northwestern Pennsylvania…

* WHEN…Until 215 AM EDT.

* IMPACTS…Minor flooding in low-lying and poor drainage areas.

* ADDITIONAL DETAILS…
– At 1019 PM EDT, Doppler radar indicated heavy rain due to
thunderstorms. Minor flooding is ongoing or expected to begin
shortly in the advisory area. Up to 0.5 inches of rain have
fallen.
– Additional rainfall amounts of 0.5 to 1 inch are expected over
the area. This additional rain will result in minor flooding.
– Some locations that will experience flooding include…
Erie, Corry, North East, Union City, Girard, Waterford,
Wattsburg, Northwest Harborcreek, Harborcreek, Lawrence Park,
Wesleyville, Lake City, Platea, McKean, Elgin, Northwest Harborcr
and Avonia.
– Please visit www.weather.gov/safety/flood for flood safety and
preparedness information.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

Be especially cautious at night when it is harder to recognize the
dangers of flooding.

&&

…A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1100 PM EDT
FOR ERIE COUNTY…

At 1018 PM EDT, severe thunderstorms were located along a line
extending from near Westfield to Wattsburg to 8 miles northwest of
Girard, moving southeast at 45 mph.

HAZARD…70 mph wind gusts and quarter size hail.

SOURCE…Law enforcement. At 1015 PM, public safety scanner reported
several trees down in Erie County.

IMPACT…Minor damage to vehicles is possible. Expect considerable
tree damage. Wind damage is also likely to mobile homes,
roofs, and outbuildings.

Locations impacted include…
Erie, Corry, Edinboro, North East, Union City, Girard, Waterford,
Wattsburg, Northwest Harborcreek, Harborcreek, Lawrence Park,
Wesleyville, Lake City, Cranesville, Platea, Mill Village, McKean,
Elgin, Northwest Harborcr, and Avonia.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

For your protection move to an interior room on the lowest floor of a
building.

Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

THUNDERSTORM DAMAGE THREAT…CONSIDERABLE;
HAIL THREAT…RADAR INDICATED;
MAX HAIL SIZE…1.00 IN;
WIND THREAT…OBSERVED;
MAX WIND GUST…70 MPH

SEVERE THUNDERSTORM WATCH 646 REMAINS IN EFFECT UNTIL 1200 AM EDT
FOR THE FOLLOWING LOCATIONS

PA
. PENNSYLVANIA COUNTIES INCLUDED ARE

ARMSTRONG BEDFORD BLAIR
BUTLER CAMBRIA CAMERON
CENTRE CLARION CLEARFIELD
CLINTON CRAWFORD ELK
ERIE FOREST FULTON
HUNTINGDON INDIANA JEFFERSON
LYCOMING MCKEAN MERCER
MIFFLIN POTTER SOMERSET
SULLIVAN TIOGA VENANGO
WARREN

SEVERE THUNDERSTORM WATCH 646 REMAINS IN EFFECT UNTIL 1200 AM EDT
FOR THE FOLLOWING LOCATIONS

CW

. ADJACENT COASTAL WATERS INCLUDED ARE

GENEVA-ON-THE-LAKE TO CONNEAUT OH

CONNEAUT OH TO RIPLEY NY

GENEVA-ON-THE-LAKE TO CONNEAUT OH BEYOND 5 NM OFF SHORELINE TO
US-CANADIAN BORDER

CONNEAUT OH TO RIPLEY NY BEYOND 5 NM OFF SHORELINE TO US-CANADIAN
BORDER

The National Weather Service in Cleveland has issued a

* Special Marine Warning for…
Nearshore and Open waters from Geneva-on-the-lake OH to Ripley
NY…

* Until 1145 PM EDT.

* At 1012 PM EDT, severe thunderstorms capable of producing
waterspouts, strong winds, and large hail were located along a
line extending from near Ripley to near Erie to 12 nm north of
Conneaut, moving east at 35 knots.

HAZARD…Waterspouts, wind gusts to nearly 50 knots, and large
hail.

SOURCE…Radar.

IMPACT…Waterspouts can easily overturn boats and create locally
hazardous seas. Small craft could be damaged in briefly
higher winds and suddenly higher waves. Large hail could
result in structural damage.

* Locations impacted include…
Erie and Conneaut.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

Move to safe harbor immediately as gusty winds and high waves are
expected.

&&

WATERSPOUT…POSSIBLE;
HAIL…>.75IN;
WIND…49KTS