Storm Prediction Center Tornado/Severe Thunderstorm Watch
RSS Mesoscale Discussions from Storm Prediction Center
WW 611 SEVERE TSTM CO WY 212045Z - 220300Z
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 611
NWS Storm Prediction Center Norman OK
245 PM MDT Wed Aug 21 2019
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Eastern Colorado
Southeast Wyoming
* Effective this Wednesday afternoon and evening from 245 PM
until 900 PM MDT.
* Primary threats include...
Scattered large hail and isolated very large hail events to 2
inches in diameter possible
Isolated damaging wind gusts to 70 mph possible
SUMMARY...Isolated severe storms, in the form of sustained
multicells and a few transient supercells, are expected to develop
along the foothills/I-25 corridor of eastern Colorado into southeast
Wyoming. Isolated large hail will be the primary risk as storms
drift east-southeastward through late afternoon/evening, although
localized severe-caliber winds could also occur, particularly across
east-central Colorado.
The severe thunderstorm watch area is approximately along and 45
statute miles east and west of a line from 75 miles north northeast
of Laramie WY to 30 miles southeast of Pueblo CO. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU1).
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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 609...WW 610...
AVIATION...A few severe thunderstorms with hail surface and aloft to
2 inches. Extreme turbulence and surface wind gusts to 60 knots. A
few cumulonimbi with maximum tops to 450. Mean storm motion vector
32020.
...Guyer
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WW 610 SEVERE TSTM DC DE MD NJ PA VA CW 211925Z - 220200Z
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 610
NWS Storm Prediction Center Norman OK
325 PM EDT Wed Aug 21 2019
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
District Of Columbia
Delaware
Eastern Maryland
New Jersey
Eastern Pennsylvania
Northern Virginia
Coastal Waters
* Effective this Wednesday afternoon and evening from 325 PM
until 1000 PM EDT.
* Primary threats include...
Scattered damaging wind gusts to 70 mph possible
Isolated large hail events to 1.5 inches in diameter possible
SUMMARY...Thunderstorms will continue to develop and intensify,
initially along and west of the I-95 corridor this afternoon. The
strongest of these storms will be capable of damaging winds and
possibly severe hail as they spread east-northeastward through early
evening.
The severe thunderstorm watch area is approximately along and 75
statute miles east and west of a line from 35 miles northeast of
Allentown PA to 25 miles southeast of Washington DC. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU0).
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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 609...
AVIATION...A few severe thunderstorms with hail surface and aloft to
1.5 inches. Extreme turbulence and surface wind gusts to 60 knots. A
few cumulonimbi with maximum tops to 500. Mean storm motion vector
25020.
...Guyer
Read more
WW 609 SEVERE TSTM CT MA ME NH NJ NY RI VT CW 211750Z - 220100Z
0-
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 609
NWS Storm Prediction Center Norman OK
150 PM EDT Wed Aug 21 2019
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Connecticut
Massachusetts
Far southern Maine
Southern New Hampshire
Northern New Jersey
Southeast New York
Rhode Island
Southern Vermont
Coastal Waters
* Effective this Wednesday afternoon and evening from 150 PM
until 900 PM EDT.
* Primary threats include...
Scattered damaging wind gusts to 70 mph possible
Isolated large hail events to 1.5 inches in diameter possible
A tornado or two possible
SUMMARY...Storms will continue to develop and intensify particularly
across far eastern New York and southern New England, near and south
of a warm front that will continue to spread slowly northward. Some
supercells with a hail/tornado risk aside from damaging winds are
most probable across southern New England, with damaging winds
otherwise expected with the strongest storms.
The severe thunderstorm watch area is approximately along and 85
statute miles north and south of a line from 30 miles west northwest
of Poughkeepsie NY to 40 miles east of Boston MA. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU9).
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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.
&&
AVIATION...A few severe thunderstorms with hail surface and aloft to
1.5 inches. Extreme turbulence and surface wind gusts to 60 knots. A
few cumulonimbi with maximum tops to 500. Mean storm motion vector
24025.
...Guyer
Read more
WW 0611 Status Updates
STATUS REPORT ON WW 611
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..DIAL..08/21/19
ATTN...WFO...BOU...PUB...CYS...
STATUS REPORT FOR WS 611
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
COC001-005-013-014-025-031-035-039-041-059-069-089-101-119-123-
212240-
CO
. COLORADO COUNTIES INCLUDED ARE
ADAMS ARAPAHOE BOULDER
BROOMFIELD CROWLEY DENVER
DOUGLAS ELBERT EL PASO
JEFFERSON LARIMER OTERO
PUEBLO TELLER WELD
WYC001-015-021-031-212240-
WY
. WYOMING COUNTIES INCLUDED ARE
ALBANY GOSHEN LARAMIE
PLATTE
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.
Read more
WW 0610 Status Updates
STATUS REPORT ON WW 610
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 25 SSW DCA
TO 15 WSW BWI TO 30 NE BWI TO 15 SSW TTN TO 5 E EWR.
..NAUSLAR..08/21/19
ATTN...WFO...LWX...PHI...CTP...
STATUS REPORT FOR WS 610
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
DEC001-003-005-212340-
DE
. DELAWARE COUNTIES INCLUDED ARE
KENT NEW CASTLE SUSSEX
MDC003-009-011-017-029-033-035-041-212340-
MD
. MARYLAND COUNTIES INCLUDED ARE
ANNE ARUNDEL CALVERT CAROLINE
CHARLES KENT PRINCE GEORGES
QUEEN ANNE'S TALBOT
NJC001-005-007-009-011-015-025-029-033-212340-
NJ
. NEW JERSEY COUNTIES INCLUDED ARE
ATLANTIC BURLINGTON CAMDEN
CAPE MAY CUMBERLAND GLOUCESTER
Read more
WW 0609 Status Updates
340-
STATUS REPORT ON WW 609
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 25 NNE NEL
TO 5 W EWR TO 25 NNW EWR TO 30 SSE MSV TO 20 NE MSV TO 35 N POU
TO 10 WNW PSF TO 30 W EEN TO 25 WSW LCI.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 1829
..NAUSLAR..08/21/19
ATTN...WFO...OKX...BOX...ALY...GYX...
STATUS REPORT FOR WS 609
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
CTC001-003-005-007-009-011-013-015-212340-
CT
. CONNECTICUT COUNTIES INCLUDED ARE
FAIRFIELD HARTFORD LITCHFIELD
MIDDLESEX NEW HAVEN NEW LONDON
TOLLAND WINDHAM
MEC031-212340-
ME
. MAINE COUNTIES INCLUDED ARE
YORK
MAC001-003-005-007-009-011-013-015-017-019-021-023-025-027-
212340-
Read more
