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cat $HOME/public_html/posts/storm-prediction-center-tornado-watch-605.txt >> story.html | parse_story story.html; rm -f storm-prediction-center-tornado-watch-605.txt story.html
Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Note: Click for Watch Status Reports.
SEL5
URGENT - IMMEDIATE BROADCAST REQUESTED
Tornado Watch Number 605
NWS Storm Prediction Center Norman OK
255 PM EDT Thu Aug 20 2026
The NWS Storm Prediction Center has issued a
* Tornado Watch for portions of
District Of Columbia
Delaware
Central and Eastern Maryland
Central and Southern New Jersey
Southeast Pennsylvania
Northern Virginia
Coastal Waters
* Effective this Thursday afternoon and evening from 255 PM until
1000 PM EDT.
* Primary threats include...
A couple tornadoes possible
Scattered damaging winds likely with isolated significant gusts
to 75 mph possible
Isolated large hail events to 1.5 inches in diameter possible
SUMMARY...Scattered severe thunderstorms are forecast to continue to
develop and intensify through the afternoon and into the evening. A
few of the stronger storms will be supercells capable of a risk for
tornadoes, damaging gusts, and large hail. A consolidation of
storms will probably occur during the evening as one or two line
segments develops with an attendant risk for damaging winds and
possibly a tornado.
The tornado watch area is approximately along and 70 statute miles
north and south of a line from 15 miles southwest of Washington DC
to 45 miles east northeast of Dover DE. For a complete depiction of
the watch see the associated watch outline update (WOUS64 KWNS
WOU5).
PRECAUTIONARY/PREPAREDNESS ACTIONS...
REMEMBER...A Tornado Watch means conditions are favorable for
tornadoes and 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.
&&
OTHER WATCH INFORMATION...CONTINUE...WW 604...
AVIATION...Tornadoes and a few severe thunderstorms with hail
surface and aloft to 1.5 inches. Extreme turbulence and surface wind
gusts to 65 knots. A few cumulonimbi with maximum tops to 500. Mean
storm motion vector 26025.
...Smith
SEL5
URGENT - IMMEDIATE BROADCAST REQUESTED
Tornado Watch Number 605
NWS Storm Prediction Center Norman OK
255 PM EDT Thu Aug 20 2026
The NWS Storm Prediction Center has issued a
* Tornado Watch for portions of
District Of Columbia
Delaware
Central and Eastern Maryland
Central and Southern New Jersey
Southeast Pennsylvania
Northern Virginia
Coastal Waters
* Effective this Thursday afternoon and evening from 255 PM until
1000 PM EDT.
* Primary threats include...
A couple tornadoes possible
Scattered damaging winds likely with isolated significant gusts
to 75 mph possible
Isolated large hail events to 1.5 inches in diameter possible
SUMMARY...Scattered severe thunderstorms are forecast to continue to
develop and intensify through the afternoon and into the evening. A
few of the stronger storms will be supercells capable of a risk for
tornadoes, damaging gusts, and large hail. A consolidation of
storms will probably occur during the evening as one or two line
segments develops with an attendant risk for damaging winds and
possibly a tornado.
The tornado watch area is approximately along and 70 statute miles
north and south of a line from 15 miles southwest of Washington DC
to 45 miles east northeast of Dover DE. For a complete depiction of
the watch see the associated watch outline update (WOUS64 KWNS
WOU5).
PRECAUTIONARY/PREPAREDNESS ACTIONS...
REMEMBER...A Tornado Watch means conditions are favorable for
tornadoes and 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.
&&
OTHER WATCH INFORMATION...CONTINUE...WW 604...
AVIATION...Tornadoes and a few severe thunderstorms with hail
surface and aloft to 1.5 inches. Extreme turbulence and surface wind
gusts to 65 knots. A few cumulonimbi with maximum tops to 500. Mean
storm motion vector 26025.
...Smith
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW5 WW 605 TORNADO DC DE MD NJ PA VA CW 201855Z - 210200Z AXIS..70 STATUTE MILES NORTH AND SOUTH OF LINE.. 15SW DCA/WASHINGTON DC/ - 45ENE DOV/DOVER DE/ ..AVIATION COORDS.. 60NM N/S /13SW DCA - 17NNE SIE/ HAIL SURFACE AND ALOFT..1.5 INCHES. WIND GUSTS..65 KNOTS. MAX TOPS TO 500. MEAN STORM MOTION VECTOR 26025. LAT...LON 39717723 40397469 38367469 37687723 THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS FOR WOU5.
Watch 605 Status Report Messages:
STATUS REPORT #4 ON WW 605 VALID 202340Z - 210040Z SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 25 NNW RIC TO 20 E DOV TO 20 SSW NEL. FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 2057 ..WEINMAN..08/20/26 ATTN...WFO...LWX...PHI...AKQ... && STATUS REPORT FOR WT 605 SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS DEC005-210040- DE . DELAWARE COUNTIES INCLUDED ARE SUSSEX $$ MDC019-037-039-045-047-210040- MD . MARYLAND COUNTIES INCLUDED ARE DORCHESTER ST. MARYS SOMERSET WICOMICO WORCESTER $$ NJC001-009-210040- NJ . NEW JERSEY COUNTIES INCLUDED ARE ATLANTIC CAPE MAY $$ ANZ431-452-453-454-455-534-537-543-650-210040- CW . ADJACENT COASTAL WATERS INCLUDED ARE DELAWARE BAY WATERS SOUTH OF EAST POINT NJ TO SLAUGHTER BEACH DE COASTAL WATERS FROM LITTLE EGG INLET TO GREAT EGG INLET NJ OUT 20 NM COASTAL WATERS FROM GREAT EGG INLET TO CAPE MAY NJ OUT 20 NM COASTAL WATERS FROM CAPE MAY NJ TO CAPE HENLOPEN DE OUT 20 NM COASTAL WATERS FROM CAPE HENLOPEN TO FENWICK ISLAND DE OUT 20 NM CHESAPEAKE BAY FROM DRUM POINT MD TO SMITH POINT VA TIDAL POTOMAC FROM COBB ISLAND MD TO SMITH POINT VA TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND COASTAL WATERS FROM FENWICK ISLAND DE TO CHINCOTEAGUE VA OUT 20 NM $$ 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. $$ STATUS REPORT #3 ON WW 605 VALID 202250Z - 202340Z SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 45 SW DCA TO 5 ENE DOV TO 15 ESE ABE. FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 2057 ..WEINMAN..08/20/26 ATTN...WFO...LWX...PHI...AKQ... && STATUS REPORT FOR WT 605 SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS DEC001-005-202340- DE . DELAWARE COUNTIES INCLUDED ARE KENT SUSSEX $$ MDC009-011-017-019-037-039-041-045-047-202340- MD . MARYLAND COUNTIES INCLUDED ARE CALVERT CAROLINE CHARLES DORCHESTER ST. MARYS SOMERSET TALBOT WICOMICO WORCESTER $$ NJC001-005-007-009-011-015-202340- NJ . NEW JERSEY COUNTIES INCLUDED ARE ATLANTIC BURLINGTON CAMDEN CAPE MAY CUMBERLAND GLOUCESTER $$ PAC017-045-101-202340- PA . PENNSYLVANIA COUNTIES INCLUDED ARE BUCKS DELAWARE PHILADELPHIA $$ VAC099-630-202340- VA . VIRGINIA COUNTIES INCLUDED ARE KING GEORGE VIRGINIA INDEPENDENT CITIES INCLUDED ARE FREDERICKSBURG $$ ANZ431-452-453-454-455-533-534-537-541-542-543-650-202340- CW . ADJACENT COASTAL WATERS INCLUDED ARE DELAWARE BAY WATERS SOUTH OF EAST POINT NJ TO SLAUGHTER BEACH DE COASTAL WATERS FROM LITTLE EGG INLET TO GREAT EGG INLET NJ OUT 20 NM COASTAL WATERS FROM GREAT EGG INLET TO CAPE MAY NJ OUT 20 NM COASTAL WATERS FROM CAPE MAY NJ TO CAPE HENLOPEN DE OUT 20 NM COASTAL WATERS FROM CAPE HENLOPEN TO FENWICK ISLAND DE OUT 20 NM CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT MD CHESAPEAKE BAY FROM DRUM POINT MD TO SMITH POINT VA TIDAL POTOMAC FROM COBB ISLAND MD TO SMITH POINT VA CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER PATUXENT RIVER TO BROOMES ISLAND MD TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND COASTAL WATERS FROM FENWICK ISLAND DE TO CHINCOTEAGUE VA 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 605 VALID 202155Z - 202240Z SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 20 W DCA TO 10 WNW ILG TO 15 SSW ABE. FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 2054 ..WEINMAN..08/20/26 ATTN...WFO...LWX...PHI...AKQ... && STATUS REPORT FOR WT 605 SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS DEC001-003-005-202240- DE . DELAWARE COUNTIES INCLUDED ARE KENT NEW CASTLE SUSSEX $$ DCC001-202240- DC . DISTRICT OF COLUMBIA COUNTIES INCLUDED ARE DISTRICT OF COLUMBIA $$ MDC003-009-011-017-019-029-033-035-037-039-041-045-047-202240- MD . MARYLAND COUNTIES INCLUDED ARE ANNE ARUNDEL CALVERT CAROLINE CHARLES DORCHESTER KENT PRINCE GEORGES QUEEN ANNE'S ST. MARYS SOMERSET TALBOT WICOMICO WORCESTER $$ NJC001-005-007-009-011-015-033-202240- NJ . NEW JERSEY COUNTIES INCLUDED ARE ATLANTIC BURLINGTON CAMDEN CAPE MAY CUMBERLAND GLOUCESTER SALEM $$ PAC017-029-045-091-101-202240- PA . PENNSYLVANIA COUNTIES INCLUDED ARE BUCKS CHESTER DELAWARE MONTGOMERY PHILADELPHIA $$ VAC013-059-099-153-179-510-600-610-630-683-685-202240- VA . VIRGINIA COUNTIES INCLUDED ARE ARLINGTON FAIRFAX KING GEORGE PRINCE WILLIAM STAFFORD VIRGINIA INDEPENDENT CITIES INCLUDED ARE ALEXANDRIA FAIRFAX FALLS CHURCH FREDERICKSBURG MANASSAS MANASSAS PARK $$ ANZ430-431-452-453-454-455-532-533-534-535-536-537-539-540-541- 542-543-650-202240- CW . ADJACENT COASTAL WATERS INCLUDED ARE DELAWARE BAY WATERS NORTH OF EAST POINT NJ TO SLAUGHTER BEACH DE DELAWARE BAY WATERS SOUTH OF EAST POINT NJ TO SLAUGHTER BEACH DE COASTAL WATERS FROM LITTLE EGG INLET TO GREAT EGG INLET NJ OUT 20 NM COASTAL WATERS FROM GREAT EGG INLET TO CAPE MAY NJ OUT 20 NM COASTAL WATERS FROM CAPE MAY NJ TO CAPE HENLOPEN DE OUT 20 NM COASTAL WATERS FROM CAPE HENLOPEN TO FENWICK ISLAND DE OUT 20 NM CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH MD CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT MD CHESAPEAKE BAY FROM DRUM POINT MD TO SMITH POINT VA TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD MD TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND MD TIDAL POTOMAC FROM COBB ISLAND MD TO SMITH POINT VA CHESTER RIVER TO QUEENSTOWN MD EASTERN BAY CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER PATUXENT RIVER TO BROOMES ISLAND MD TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND COASTAL WATERS FROM FENWICK ISLAND DE TO CHINCOTEAGUE VA 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 605 VALID 202035Z - 202140Z THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA. ..KERR..08/20/26 ATTN...WFO...LWX...PHI...AKQ... && STATUS REPORT FOR WT 605 SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS DEC001-003-005-202140- DE . DELAWARE COUNTIES INCLUDED ARE KENT NEW CASTLE SUSSEX $$ DCC001-202140- DC . DISTRICT OF COLUMBIA COUNTIES INCLUDED ARE DISTRICT OF COLUMBIA $$ MDC003-005-009-011-013-015-017-019-025-027-029-031-033-035-037- 039-041-045-047-510-202140- MD . MARYLAND COUNTIES INCLUDED ARE ANNE ARUNDEL BALTIMORE CALVERT CAROLINE CARROLL CECIL CHARLES DORCHESTER HARFORD HOWARD KENT MONTGOMERY PRINCE GEORGES QUEEN ANNE'S ST. MARYS SOMERSET TALBOT WICOMICO WORCESTER MARYLAND INDEPENDENT CITIES INCLUDED ARE BALTIMORE CITY $$ NJC001-005-007-009-011-015-033-202140- NJ . NEW JERSEY COUNTIES INCLUDED ARE ATLANTIC BURLINGTON CAMDEN CAPE MAY CUMBERLAND GLOUCESTER SALEM $$ PAC017-029-045-091-101-202140- PA . PENNSYLVANIA COUNTIES INCLUDED ARE BUCKS CHESTER DELAWARE MONTGOMERY PHILADELPHIA $$ VAC013-059-099-153-179-510-600-610-630-683-685-202140- VA . VIRGINIA COUNTIES INCLUDED ARE ARLINGTON FAIRFAX KING GEORGE PRINCE WILLIAM STAFFORD VIRGINIA INDEPENDENT CITIES INCLUDED ARE ALEXANDRIA FAIRFAX FALLS CHURCH FREDERICKSBURG MANASSAS MANASSAS PARK $$ ANZ430-431-452-453-454-455-530-531-532-533-534-535-536-537-538- 539-540-541-542-543-650-202140- CW . ADJACENT COASTAL WATERS INCLUDED ARE DELAWARE BAY WATERS NORTH OF EAST POINT NJ TO SLAUGHTER BEACH DE DELAWARE BAY WATERS SOUTH OF EAST POINT NJ TO SLAUGHTER BEACH DE COASTAL WATERS FROM LITTLE EGG INLET TO GREAT EGG INLET NJ OUT 20 NM COASTAL WATERS FROM GREAT EGG INLET TO CAPE MAY NJ OUT 20 NM COASTAL WATERS FROM CAPE MAY NJ TO CAPE HENLOPEN DE OUT 20 NM COASTAL WATERS FROM CAPE HENLOPEN TO FENWICK ISLAND DE OUT 20 NM CHESAPEAKE BAY NORTH OF POOLES ISLAND MD CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT MD CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH MD CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT MD CHESAPEAKE BAY FROM DRUM POINT MD TO SMITH POINT VA TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD MD TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND MD TIDAL POTOMAC FROM COBB ISLAND MD TO SMITH POINT VA PATAPSCO RIVER INCLUDING BALTIMORE HARBOR CHESTER RIVER TO QUEENSTOWN MD EASTERN BAY CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER PATUXENT RIVER TO BROOMES ISLAND MD TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND COASTAL WATERS FROM FENWICK ISLAND DE TO CHINCOTEAGUE VA 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 |
Mod (40%) |
| Probability of 1 or more strong (EF2-EF5) tornadoes |
Low (20%) |
Wind
| Probability of 10 or more severe wind events |
Mod (60%) |
| Probability of 1 or more wind events > 65 knots |
Mod (30%) |
Hail
| Probability of 10 or more severe hail events |
Low (20%) |
| Probability of 1 or more hailstones > 2 inches |
Low (10%) |
Combined Severe Hail/Wind
| Probability of 6 or more combined severe hail/wind events |
High (90%) |
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% (EF2-EF5 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.