Delaware Emergency Management Agency

06/23/2026

DEMA, DSP, and PSEG will test the Salem/Hope Creek Nuclear Station alert system on Tuesday, July 7, 2026 at 7:20 p.m. Sirens will be activated for 3-5 minutes, followed by a test message of the Emergency Alert System on local radio.

Read more: https://ow.ly/x6BZ50ZfZVy

06/23/2026

On this day in DEMA history, the wrath of Hurricane Agnes brought devastation to Delaware and neighboring states.

For more information on Hurricane Preparedness visit: https://preparede.org/emergency-types/natural-hazards/

06/23/2026

NWS Alert> Severe Thunderstorm Watch is in effect in Sussex County until 8 PM.

NWS has Issued Severe Thunderstorm Watch 381 In Effect until 8 PM This Evening for The Following Areas In Delaware This Watch Includes 1 County In S Delaware Sussex In Maryland This Watch Includes 2 Counties In NE Maryland Caroline Talbot In New Jersey... https://www.simpleweatheralert.com/cgi-bin/weatherdetail.py?m=urn:oid:2.49.0.1.840.0.0a8fbb5ae8edd15153d4ff43572f0a09550e6113.001.1&a=2042&t=1&wjh=1&wji=1

06/23/2026

NWS Alert> Severe Thunderstorm Warning remains in effect in Sussex County until 9:30 PM.

Severe Thunderstorms From Big Stone Beach to Lewes to Selbyville Moving E At 35 MPH. 60 MPH Wind Gusts. Damage to Roofs, Siding, Trees & Power Lines is Possible. Locations Impacted Include Millsboro, Lewes, Selbyville, Dagsboro, Millville, Henlopen Acres... https://www.simpleweatheralert.com/cgi-bin/weatherdetail.py?m=urn:oid:2.49.0.1.840.0.5ae49c86aae03caac6a2a14ef836dc8604fcca67.002.1&a=2042&t=0&wjh=1&wji=1

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.

06/23/2026

NWS Alert> Severe Thunderstorm Warning remains in effect in Kent and Sussex Counties until 9:30 PM.

Severe Thunderstorms From Milford to Milton to Gumboro Moving E At 40 MPH. 60 MPH Wind Gusts. Damage to Roofs, Siding, Trees & Power Lines is Possible. Locations Impacted Include Georgetown, Milford, Millsboro, Harrington, Lewes, Milton, Selbyville, Dagsb... https://www.simpleweatheralert.com/cgi-bin/weatherdetail.py?m=urn:oid:2.49.0.1.840.0.baaa08121afe4d8cb40ddb6a53c58668e9e60a89.001.1&a=2042&t=0&wjh=1&wji=1

Remain Alert For A Possible Tornado! Tornadoes Can Develop Quickly From Severe Thunderstorms. If You Spot A Tornado Go At Once Into The Basement Or Small Central Room In A Sturdy Structure. For Your Protection Move To An Interior Room On The Lowest Floor Of A Building. Frequent Cloud To Ground Light...

06/23/2026

NWS Alert> Severe Thunderstorm Warning is in effect in Kent and Sussex Counties until 9:30 PM.

Severe Thunderstorms From Andrewsville to Georgetown to Delmar Moving E At 40 MPH. 60 MPH Wind Gusts, Large Hail. Minor Damage to Vehicles is Possible. Wind Damage to Roofs, Siding, Trees & Power Lines is Possible. Locations Impacted Include Georgetown... https://www.simpleweatheralert.com/cgi-bin/weatherdetail.py?m=urn:oid:2.49.0.1.840.0.2585c16f675f92cde235df1473c25d451afc2ed5.001.1&a=2042&t=1&wjh=1&wji=1

Remain Alert For A Possible Tornado! Tornadoes Can Develop Quickly From Severe Thunderstorms. If You Spot A Tornado Go At Once Into The Basement Or Small Central Room In A Sturdy Structure. For Your Protection Move To An Interior Room On The Lowest Floor Of A Building. In Addition To Large Hail And....

06/23/2026

NWS Alert> Severe Thunderstorm Warning remains in effect in Kent and Sussex Counties until 8:45 PM.

Severe Thunderstorms From Andrewsville to Georgetown to Delmar Moving E At 40 MPH. 60 MPH Wind Gusts. Damage to Roofs, Siding, Trees & Power Lines is Possible. Locations Impacted Include Georgetown, Milford, Seaford, Denton, Millsboro, Laurel, Harrington... https://www.simpleweatheralert.com/cgi-bin/weatherdetail.py?m=urn:oid:2.49.0.1.840.0.84842f82a38bdd2eb67cd15dc9478b40aa369583.002.1&a=2042&t=0&wjh=1&wji=1

Remain Alert For A Possible Tornado! Tornadoes Can Develop Quickly From Severe Thunderstorms. If You Spot A Tornado Go At Once Into The Basement Or Small Central Room In A Sturdy Structure. For Your Protection Move To An Interior Room On The Lowest Floor Of A Building. Frequent Cloud To Ground Light...

06/23/2026

NWS Alert> Tornado Warning remains in effect in Sussex County until 8:45 PM.

Potential Tornado Near Bridgeville or 8 Miles NW of Georgetown Moving E At 40 MPH. This Tornadic Thunderstorm will Remain Over Mainly Rural Areas of NW Sussex County. https://www.simpleweatheralert.com/cgi-bin/weatherdetail.py?m=urn:oid:2.49.0.1.840.0.bb591442e271aed4b9c17e8483a3de27a3345dc2.001.1&a=2042&t=0&wjh=1&wji=1

Take Cover Now! Move To A Basement Or An Interior Room On The Lowest Floor Of A Sturdy Building. Avoid Windows. If You Are Outdoors, In A Mobile Home, Or In A Vehicle, Move To The Closest Substantial Shelter And Protect Yourself From Flying Debris. Tornadoes Are Extremely Difficult To See And Confir...

06/23/2026

NWS Alert> Tornado Warning is in effect in Sussex County until 8:45 PM.

Potential Tornado Over Bridgeville or 14 Miles NE of Hurlock Moving E At 35 MPH. Locations Impacted Include Bridgeville. https://www.simpleweatheralert.com/cgi-bin/weatherdetail.py?m=urn:oid:2.49.0.1.840.0.66b38003232a10ce6f7daefb2f22c66930372398.001.1&a=2042&t=1&wjh=1&wji=1

Take Cover Now! Move To A Basement Or An Interior Room On The Lowest Floor Of A Sturdy Building. Avoid Windows. If You Are Outdoors, In A Mobile Home, Or In A Vehicle, Move To The Closest Substantial Shelter And Protect Yourself From Flying Debris. This Cluster Of Thunderstorms Is Capable Of Produci...

06/23/2026

NWS Alert> Severe Thunderstorm Warning remains in effect in Kent and Sussex Counties until 8:30 PM.

Severe Thunderstorm Over Harrington or 17 Miles S of Dover Moving E At 25 MPH. 60 MPH Wind Gusts, Large Hail. Minor Damage to Vehicles is Possible. Wind Damage to Roofs, Siding, Trees & Power Lines is Possible. Locations Impacted Include Milford, Harringt... https://www.simpleweatheralert.com/cgi-bin/weatherdetail.py?m=urn:oid:2.49.0.1.840.0.5aba564a0ebe28dcb688cfd4d95d2fe486f09a0c.001.1&a=2042&t=0&wjh=1&wji=1

For Your Protection Move To An Interior Room On The Lowest Floor Of A Building. Frequent Cloud To Ground Lightning Is Occurring With This Storm. Move Indoors Immediately. Lightning Is One Of Nature's Leading Killers. Remember, If You Can Hear Thunder, You Are Close Enough To Be Struck By Lightning.....