Severe Thunderstorm Warning Issued for Harrison and Hancock Counties, MS

Source: NOAA · Southern Mississippi

This alert is no longer in effect.

NOAA issued it on July 20, 2026, 4 weeks ago. Warnings of this kind stay in effect for hours to a few days, so this page is a historical record of what was issued, not a current warning. For conditions where you are right now, check weather.gov (US), weather.gc.ca (Canada), the Met Office (UK), or the Bureau of Meteorology (Australia).

Areazine synthesizes this NWS weather alert directly from NOAA's official public data feed. See our methodology for full source attribution and refresh cadence.

NWS New Orleans has issued a Severe Thunderstorm Warning for Harrison County and northeastern Hancock County in southern Mississippi until 8:45 AM CDT June 18.

Read this weather record in 30 seconds

Record type
Severe Thunderstorm Warning
Affected area
Southern Mississippi
Issued
July 20, 2026
Issuing authority
NWS New Orleans LA

Storm notices can cover different combinations of wind, hail, lightning, and rainfall. Use the original notice for the hazards and boundaries attached to this specific record.

Record status: historical. It was issued 4 weeks ago; use the issuing agency's live warning service for current conditions in Southern Mississippi.

Alert Details

A Severe Thunderstorm Warning was issued by the National Weather Service in New Orleans LA on June 18 at 7:42 AM CDT. The alert is effective from 7:42 AM CDT until 8:45 AM CDT.

Affected Areas

The warning covers Harrison County in southern Mississippi and northeastern Hancock County in southern Mississippi. Impacted locations include Gulfport, Long Beach, Bay St. Louis, Diamondhead, Saucier, Kiln, Lyman, and Shoreline Park. This includes Interstate 10 in Mississippi between mile markers 6 and 36.

What You Should Do

Remain alert for a possible tornado. If you spot a tornado, go at once into the basement or small central room in a sturdy structure. Move to an interior room on the lowest floor of a building. Move indoors immediately due to large hail, damaging wind, and continuous cloud to ground lightning. Do not drive your vehicle through flooded roadways.

Expected Conditions

At 7:42 AM CDT, severe thunderstorms were located along a line extending from 13 miles east of Mcneil to Kiln to near Shoreline Park, moving northeast at 30 mph. Hazards include 60 mph wind gusts and hail up to 0.75 inches. Torrential rainfall may lead to flash flooding.

Timeline

The warning is in effect from June 18 at 7:42 AM CDT until June 18 at 8:45 AM CDT.

Original source: NOAA Official Notice ↗

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Nationwide notices with similar length or severity timing 8

Two Areazine-derived peer sets for this NWS weather alert: nearest notices by body length and by same severity near the same agency date. Peers come from other categories so they are not the same-feed Related list above.

Frequently Asked Questions

Common questions about this NWS weather alert.

What is this NWS weather alert about?
NWS New Orleans has issued a Severe Thunderstorm Warning for Harrison County and northeastern Hancock County in southern Mississippi until 8:45 AM CDT June 18.
Which agency issued this alert?
This alert was issued by NOAA. The original notice is available at the source link at the bottom of this article.
How severe is this alert?
This alert is classified as "high" severity. Take precautions and monitor for updates.
What area is affected?
This alert affects Southern Mississippi. Check with NOAA for the most current geographic scope.
Where can I find more Weather Alerts updates?
Browse the full Weather Alerts feed on Areazine at areazine.com/weather/ for the latest updates from NOAA and other agencies.