Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Note: Click for
Watch Status Reports.
SEL6
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 626
NWS STORM PREDICTION CENTER NORMAN OK
350 PM EDT SUN JUL 26 2009
THE NWS STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
CONNECTICUT
MASSACHUSETTS
SOUTHERN NEW HAMPSHIRE
NORTHERN NEW JERSEY
SOUTHERN NEW YORK
EASTERN PENNSYLVANIA
RHODE ISLAND
COASTAL WATERS
EFFECTIVE THIS SUNDAY AFTERNOON AND EVENING FROM 350 PM UNTIL
1100 PM EDT.
HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 80
MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.
THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 80
STATUTE MILES EAST AND WEST OF A LINE FROM 15 MILES WEST OF
WILMINGTON DELAWARE TO 35 MILES NORTH NORTHWEST OF WORCESTER
MASSACHUSETTS. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU6).
REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE
FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH
AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR
THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS
AND POSSIBLE WARNINGS. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY
DO PRODUCE TORNADOES.
OTHER WATCH INFORMATION...CONTINUE...WW 625...
DISCUSSION...AS UPPER IMPULSE APPROACHES FROM THE WEST...CONVECTION
IS EXPECTED TO BECOME MORE WIDESPREAD AND INTENSIFY ACROSS THE WATCH
AREA. DEEP LAYER SHEAR WILL BE SUFFICIENTLY STRONG FOR SUPERCELLS
WITH LARGE HAIL AND DAMAGING WINDS THE PRIMARY THREATS. AS COLD
FRONT MOVES IN FROM THE WEST THIS EVENING...STORMS MAY DEVELOP INTO
LINE SEGMENTS/BOWS...WHICH WOULD INCREASE THE POTENTIAL FOR WIND
DAMAGE.
AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 70
KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 450. MEAN STORM
MOTION VECTOR 25030.
...IMY
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW6
WW 626 SEVERE TSTM CT MA NH NJ NY PA RI CW 261950Z - 270300Z
AXIS..80 STATUTE MILES EAST AND WEST OF LINE..
15W ILG/WILMINGTON DE/ - 35NNW ORH/WORCESTER MA/
..AVIATION COORDS.. 70NM E/W /52ENE EMI - 38SW CON/
HAIL SURFACE AND ALOFT..2 INCHES. WIND GUSTS..70 KNOTS.
MAX TOPS TO 450. MEAN STORM MOTION VECTOR 25030.
LAT...LON 39667737 42727372 42727056 39667437
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU6.
Watch 626 Status Report Messages:
STATUS REPORT #5 ON WW 626
VALID 270240Z - 270300Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 20 NE ISP TO
15 SSE TTN TO 15 WNW TTN TO 20 NW TTN TO 15 N EWR TO 30 S POU TO
25 NNE BDR TO 15 NNW GON TO 25 ESE BDR.
WW 626 WILL BE ALLOWED TO EXPIRE AT 270300Z.
..DIAL..07/27/09
ATTN...WFO...OKX...BOX...ALY...PHI...BGM...CTP...
&&
STATUS REPORT FOR WS 626
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
CTC001-007-009-270300-
CT
. CONNECTICUT COUNTIES INCLUDED ARE
FAIRFIELD MIDDLESEX NEW HAVEN
$$
NHC005-270300-
NH
. NEW HAMPSHIRE COUNTIES INCLUDED ARE
CHESHIRE
$$
NJC003-013-017-021-023-035-039-270300-
NJ
. NEW JERSEY COUNTIES INCLUDED ARE
BERGEN ESSEX HUDSON
MERCER MIDDLESEX SOMERSET
UNION
$$
NYC005-047-059-061-081-085-087-119-270300-
NY
. NEW YORK COUNTIES INCLUDED ARE
BRONX KINGS NASSAU
NEW YORK QUEENS RICHMOND
ROCKLAND WESTCHESTER
$$
RIC001-005-270300-
RI
. RHODE ISLAND COUNTIES INCLUDED ARE
BRISTOL NEWPORT
$$
ANZ236-335-338-270300-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
NARRAGANSETT BAY
LONG ISLAND SOUND WEST OF NEW HAVEN CT/PORT JEFFERSON NY
NEW YORK HARBOR
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #4 ON WW 626
VALID 270135Z - 270240Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 15 SSE NEL
TO 10 SSW ABE TO 25 SW BDL TO 10 S EEN.
..DIAL..07/27/09
ATTN...WFO...OKX...BOX...ALY...PHI...BGM...CTP...
&&
STATUS REPORT FOR WS 626
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
CTC001-003-007-009-011-013-015-270240-
CT
. CONNECTICUT COUNTIES INCLUDED ARE
FAIRFIELD HARTFORD MIDDLESEX
NEW HAVEN NEW LONDON TOLLAND
WINDHAM
$$
MAC005-009-013-015-017-021-023-025-027-270240-
MA
. MASSACHUSETTS COUNTIES INCLUDED ARE
BRISTOL ESSEX HAMPDEN
HAMPSHIRE MIDDLESEX NORFOLK
PLYMOUTH SUFFOLK WORCESTER
$$
NHC005-011-270240-
NH
. NEW HAMPSHIRE COUNTIES INCLUDED ARE
CHESHIRE HILLSBOROUGH
$$
NJC003-013-017-019-021-023-025-027-029-031-035-039-270240-
NJ
. NEW JERSEY COUNTIES INCLUDED ARE
BERGEN ESSEX HUDSON
HUNTERDON MERCER MIDDLESEX
MONMOUTH MORRIS OCEAN
PASSAIC SOMERSET UNION
$$
NYC005-047-059-061-079-081-085-087-103-119-270240-
NY
. NEW YORK COUNTIES INCLUDED ARE
BRONX KINGS NASSAU
NEW YORK PUTNAM QUEENS
RICHMOND ROCKLAND SUFFOLK
WESTCHESTER
$$
PAC017-270240-
PA
. PENNSYLVANIA COUNTIES INCLUDED ARE
BUCKS
$$
RIC001-003-005-007-009-270240-
RI
. RHODE ISLAND COUNTIES INCLUDED ARE
BRISTOL KENT NEWPORT
PROVIDENCE WASHINGTON
$$
ANZ230-235-236-237-250-330-335-338-340-345-350-353-355-450-
270240-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
BOSTON HARBOR
RHODE ISLAND SOUND
NARRAGANSETT BAY
BLOCK ISLAND SOUND
COASTAL WATERS FROM MERRIMACK RIVER MA OUT 25 NM TO PLYMOUTH MA
OUT 40 NM
LONG ISLAND SOUND EAST OF NEW HAVEN CT/PORT JEFFERSON NY
LONG ISLAND SOUND WEST OF NEW HAVEN CT/PORT JEFFERSON NY
NEW YORK HARBOR
PECONIC AND GARDINERS BAYS
SOUTH SHORE BAYS FROM JONES INLET THROUGH SHINNECOCK BAY
MORICHES INLET NY TO MONTAUK POINT NY OUT 20 NM
FIRE ISLAND INLET NY TO MORICHES INLET NY OUT 20 NM
SANDY HOOK NJ TO FIRE ISLAND INLET NY OUT 20 NM
COASTAL WATERS FROM SANDY HOOK TO MANASQUAN INLET NJ OUT 20 NM
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #3 ON WW 626
VALID 270040Z - 270140Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 15 W ILG TO
35 NNW ILG TO 35 WSW ABE TO 10 SE AVP.
..DIAL..07/27/09
ATTN...WFO...OKX...BOX...ALY...PHI...BGM...CTP...
&&
STATUS REPORT FOR WS 626
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
CTC001-003-005-007-009-011-013-015-270140-
CT
. CONNECTICUT COUNTIES INCLUDED ARE
FAIRFIELD HARTFORD LITCHFIELD
MIDDLESEX NEW HAVEN NEW LONDON
TOLLAND WINDHAM
$$
MAC003-005-009-011-013-015-017-021-023-025-027-270140-
MA
. MASSACHUSETTS COUNTIES INCLUDED ARE
BERKSHIRE BRISTOL ESSEX
FRANKLIN HAMPDEN HAMPSHIRE
MIDDLESEX NORFOLK PLYMOUTH
SUFFOLK WORCESTER
$$
NHC005-011-270140-
NH
. NEW HAMPSHIRE COUNTIES INCLUDED ARE
CHESHIRE HILLSBOROUGH
$$
NJC003-005-007-013-017-019-021-023-025-027-029-031-035-037-039-
041-270140-
NJ
. NEW JERSEY COUNTIES INCLUDED ARE
BERGEN BURLINGTON CAMDEN
ESSEX HUDSON HUNTERDON
MERCER MIDDLESEX MONMOUTH
MORRIS OCEAN PASSAIC
SOMERSET SUSSEX UNION
WARREN
$$
NYC001-005-021-025-027-039-047-059-061-071-079-081-083-085-087-
091-093-095-103-105-111-119-270140-
NY
. NEW YORK COUNTIES INCLUDED ARE
ALBANY BRONX COLUMBIA
DELAWARE DUTCHESS GREENE
KINGS NASSAU NEW YORK
ORANGE PUTNAM QUEENS
RENSSELAER RICHMOND ROCKLAND
SARATOGA SCHENECTADY SCHOHARIE
SUFFOLK SULLIVAN ULSTER
WESTCHESTER
$$
PAC011-017-025-045-077-089-091-095-101-103-270140-
PA
. PENNSYLVANIA COUNTIES INCLUDED ARE
BERKS BUCKS CARBON
DELAWARE LEHIGH MONROE
MONTGOMERY NORTHAMPTON PHILADELPHIA
PIKE
$$
RIC001-003-005-007-009-270140-
RI
. RHODE ISLAND COUNTIES INCLUDED ARE
BRISTOL KENT NEWPORT
PROVIDENCE WASHINGTON
$$
ANZ230-235-236-237-250-330-335-338-340-345-350-353-355-450-451-
270140-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
BOSTON HARBOR
RHODE ISLAND SOUND
NARRAGANSETT BAY
BLOCK ISLAND SOUND
COASTAL WATERS FROM MERRIMACK RIVER MA OUT 25 NM TO PLYMOUTH MA
OUT 40 NM
LONG ISLAND SOUND EAST OF NEW HAVEN CT/PORT JEFFERSON NY
LONG ISLAND SOUND WEST OF NEW HAVEN CT/PORT JEFFERSON NY
NEW YORK HARBOR
PECONIC AND GARDINERS BAYS
SOUTH SHORE BAYS FROM JONES INLET THROUGH SHINNECOCK BAY
MORICHES INLET NY TO MONTAUK POINT NY OUT 20 NM
FIRE ISLAND INLET NY TO MORICHES INLET NY OUT 20 NM
SANDY HOOK NJ TO FIRE ISLAND INLET NY OUT 20 NM
COASTAL WATERS FROM SANDY HOOK TO MANASQUAN INLET NJ OUT 20 NM
COASTAL WATERS FROM MANASQUAN INLET TO LITTLE EGG INLET NJ OUT 20
NM
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #2 ON WW 626
VALID 262335Z - 270040Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 35 SSW CXY
TO 35 WSW ABE TO 10 SSE AVP.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 1682
..DIAL..07/26/09
ATTN...WFO...OKX...BOX...ALY...PHI...BGM...CTP...
&&
STATUS REPORT FOR WS 626
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
CTC001-003-005-007-009-011-013-015-270040-
CT
. CONNECTICUT COUNTIES INCLUDED ARE
FAIRFIELD HARTFORD LITCHFIELD
MIDDLESEX NEW HAVEN NEW LONDON
TOLLAND WINDHAM
$$
MAC003-005-009-011-013-015-017-021-023-025-027-270040-
MA
. MASSACHUSETTS COUNTIES INCLUDED ARE
BERKSHIRE BRISTOL ESSEX
FRANKLIN HAMPDEN HAMPSHIRE
MIDDLESEX NORFOLK PLYMOUTH
SUFFOLK WORCESTER
$$
NHC005-011-270040-
NH
. NEW HAMPSHIRE COUNTIES INCLUDED ARE
CHESHIRE HILLSBOROUGH
$$
NJC003-005-007-013-017-019-021-023-025-027-029-031-035-037-039-
041-270040-
NJ
. NEW JERSEY COUNTIES INCLUDED ARE
BERGEN BURLINGTON CAMDEN
ESSEX HUDSON HUNTERDON
MERCER MIDDLESEX MONMOUTH
MORRIS OCEAN PASSAIC
SOMERSET SUSSEX UNION
WARREN
$$
NYC001-005-007-021-025-027-039-047-059-061-071-079-081-083-085-
087-091-093-095-103-105-111-119-270040-
NY
. NEW YORK COUNTIES INCLUDED ARE
ALBANY BRONX BROOME
COLUMBIA DELAWARE DUTCHESS
GREENE KINGS NASSAU
NEW YORK ORANGE PUTNAM
QUEENS RENSSELAER RICHMOND
ROCKLAND SARATOGA SCHENECTADY
SCHOHARIE SUFFOLK SULLIVAN
ULSTER WESTCHESTER
$$
PAC011-017-025-029-045-069-071-077-089-091-095-101-103-115-127-
131-133-270040-
PA
. PENNSYLVANIA COUNTIES INCLUDED ARE
BERKS BUCKS CARBON
CHESTER DELAWARE LACKAWANNA
LANCASTER LEHIGH MONROE
MONTGOMERY NORTHAMPTON PHILADELPHIA
PIKE SUSQUEHANNA WAYNE
WYOMING YORK
$$
RIC001-003-005-007-009-270040-
RI
. RHODE ISLAND COUNTIES INCLUDED ARE
BRISTOL KENT NEWPORT
PROVIDENCE WASHINGTON
$$
ANZ230-235-236-237-250-330-335-338-340-345-350-353-355-450-451-
270040-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
BOSTON HARBOR
RHODE ISLAND SOUND
NARRAGANSETT BAY
BLOCK ISLAND SOUND
COASTAL WATERS FROM MERRIMACK RIVER MA OUT 25 NM TO PLYMOUTH MA
OUT 40 NM
LONG ISLAND SOUND EAST OF NEW HAVEN CT/PORT JEFFERSON NY
LONG ISLAND SOUND WEST OF NEW HAVEN CT/PORT JEFFERSON NY
NEW YORK HARBOR
PECONIC AND GARDINERS BAYS
SOUTH SHORE BAYS FROM JONES INLET THROUGH SHINNECOCK BAY
MORICHES INLET NY TO MONTAUK POINT NY OUT 20 NM
FIRE ISLAND INLET NY TO MORICHES INLET NY OUT 20 NM
SANDY HOOK NJ TO FIRE ISLAND INLET NY OUT 20 NM
COASTAL WATERS FROM SANDY HOOK TO MANASQUAN INLET NJ OUT 20 NM
COASTAL WATERS FROM MANASQUAN INLET TO LITTLE EGG INLET NJ OUT 20
NM
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #1 ON WW 626
VALID 262140Z - 262240Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 25 E HGR TO
30 WNW ABE.
..DIAL..07/26/09
ATTN...WFO...OKX...BOX...ALY...PHI...BGM...CTP...
&&
STATUS REPORT FOR WS 626
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
CTC001-003-005-007-009-011-013-015-262240-
CT
. CONNECTICUT COUNTIES INCLUDED ARE
FAIRFIELD HARTFORD LITCHFIELD
MIDDLESEX NEW HAVEN NEW LONDON
TOLLAND WINDHAM
$$
MAC003-005-009-011-013-015-017-021-023-025-027-262240-
MA
. MASSACHUSETTS COUNTIES INCLUDED ARE
BERKSHIRE BRISTOL ESSEX
FRANKLIN HAMPDEN HAMPSHIRE
MIDDLESEX NORFOLK PLYMOUTH
SUFFOLK WORCESTER
$$
NHC005-011-262240-
NH
. NEW HAMPSHIRE COUNTIES INCLUDED ARE
CHESHIRE HILLSBOROUGH
$$
NJC003-005-007-013-017-019-021-023-025-027-029-031-035-037-039-
041-262240-
NJ
. NEW JERSEY COUNTIES INCLUDED ARE
BERGEN BURLINGTON CAMDEN
ESSEX HUDSON HUNTERDON
MERCER MIDDLESEX MONMOUTH
MORRIS OCEAN PASSAIC
SOMERSET SUSSEX UNION
WARREN
$$
NYC001-005-007-021-025-027-039-047-059-061-071-079-081-083-085-
087-091-093-095-103-105-111-119-262240-
NY
. NEW YORK COUNTIES INCLUDED ARE
ALBANY BRONX BROOME
COLUMBIA DELAWARE DUTCHESS
GREENE KINGS NASSAU
NEW YORK ORANGE PUTNAM
QUEENS RENSSELAER RICHMOND
ROCKLAND SARATOGA SCHENECTADY
SCHOHARIE SUFFOLK SULLIVAN
ULSTER WESTCHESTER
$$
PAC001-011-017-025-029-045-069-071-075-077-079-089-091-095-101-
103-107-115-127-131-133-262240-
PA
. PENNSYLVANIA COUNTIES INCLUDED ARE
ADAMS BERKS BUCKS
CARBON CHESTER DELAWARE
LACKAWANNA LANCASTER LEBANON
LEHIGH LUZERNE MONROE
MONTGOMERY NORTHAMPTON PHILADELPHIA
PIKE SCHUYLKILL SUSQUEHANNA
WAYNE WYOMING YORK
$$
RIC001-003-005-007-009-262240-
RI
. RHODE ISLAND COUNTIES INCLUDED ARE
BRISTOL KENT NEWPORT
PROVIDENCE WASHINGTON
$$
ANZ230-235-236-237-250-330-335-338-340-345-350-353-355-450-451-
262240-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
BOSTON HARBOR
RHODE ISLAND SOUND
NARRAGANSETT BAY
BLOCK ISLAND SOUND
COASTAL WATERS FROM MERRIMACK RIVER MA OUT 25 NM TO PLYMOUTH MA
OUT 40 NM
LONG ISLAND SOUND EAST OF NEW HAVEN CT/PORT JEFFERSON NY
LONG ISLAND SOUND WEST OF NEW HAVEN CT/PORT JEFFERSON NY
NEW YORK HARBOR
PECONIC AND GARDINERS BAYS
SOUTH SHORE BAYS FROM JONES INLET THROUGH SHINNECOCK BAY
MORICHES INLET NY TO MONTAUK POINT NY OUT 20 NM
FIRE ISLAND INLET NY TO MORICHES INLET NY OUT 20 NM
SANDY HOOK NJ TO FIRE ISLAND INLET NY OUT 20 NM
COASTAL WATERS FROM SANDY HOOK TO MANASQUAN INLET NJ OUT 20 NM
COASTAL WATERS FROM MANASQUAN INLET TO LITTLE EGG INLET NJ OUT 20
NM
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
Note:
Click for Complete Product Text.
Tornadoes
Probability of 2 or more tornadoes
|
Low (20%)
|
Probability of 1 or more strong (F2-F5) tornadoes
|
Low (10%)
|
Wind
Probability of 10 or more severe wind events
|
High (70%)
|
Probability of 1 or more wind events > 65 knots
|
Mod (40%)
|
Hail
Probability of 10 or more severe hail events
|
Mod (50%)
|
Probability
of 1 or
more hailstones > 2 inches
|
Mod (30%)
|
Combined Severe Hail/Wind
Probability of 6 or more combined severe hail/wind events
|
High (>95%)
|
For each watch, probabilities for particular events inside the watch
(listed above in each table) are determined by the issuing forecaster.
The "Low" category contains probability values ranging from less than 2%
to 20% (F2-F5 tornadoes), less than 5% to 20% (all other probabilities),
"Moderate" from 30% to 60%, and "High" from 70% to greater than 95%.
High values are bolded and lighter in color to provide awareness of
an increased threat for a particular event.