Severe Thunderstorm Warning Issued for Northern Harrison County, MS
This alert is no longer in effect.
NOAA issued it on July 21, 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 northern Harrison County in southern Mississippi until 9:45 AM CDT.
Read this weather record in 30 seconds
- Record type
- Severe Thunderstorm Warning
- Affected area
- Northern Harrison County, Mississippi
- Issued
- July 21, 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 Northern Harrison County, Mississippi.
Alert Details
A Severe Thunderstorm Warning (SVR) has been issued by the National Weather Service in New Orleans LA. The alert is effective from June 18, 2026 at 8:43 AM CDT until June 18, 2026 at 9:45 AM CDT.
Affected Areas
Northern Harrison County in southern Mississippi. Locations impacted include Gulfport, Biloxi, Saucier, and Lyman.
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 8:43 AM CDT, severe thunderstorms were located along a line extending from near Saucier to 6 miles northeast of Diamondhead, moving east at 20 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 8:43 AM CDT to 9:45 AM CDT on June 18, 2026.
Original source: NOAA Official Notice ↗
Related Weather Alerts
All Weather Alerts →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.
Similar body length
Nearest notices by article body length (1,089 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to July 21, 2026.
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