Flash Flood Warning Issued for Pearl River County, MS

Source: NOAA · Pearl River County, Mississippi

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NWS New Orleans has issued a Flash Flood Warning for central Pearl River County in southern Mississippi until 4:30 PM CDT due to thunderstorms producing heavy rain.

What this NWS weather alert tells you, and what most readers miss

This notice was issued by NOAA on June 12, 2026 and geographically references Pearl River County, Mississippi. Its severity classification of "high" signals how the issuing agency weighs the risk of harm if no action is taken — "critical" and "high" tier alerts typically carry direct consumer actions, while "medium" and "low" tend toward informational guidance or monitoring advisories. The category it belongs to — Weather Alerts — determines the regulatory framework behind it, which shapes what remedies (refunds, replacements, recalls, evacuations) are available to affected individuals and who holds statutory responsibility for enforcement.

Most readers skim a notice like this, check whether they are personally affected, and move on. The more useful lens is to read it as a data point about the issuing system: how quickly NOAA detected the hazard, how precise the geographic or product-identifier scope is, and whether similar notices have clustered in the same category or region in the last 90 days. Cluster patterns frequently precede a broader regulatory action — a single localized NWS weather alert is isolated; three of them within a quarter often indicate a supply-chain, infrastructure, or seasonal driver that will keep producing notices until something structural changes.

For decision-making, Areazine pairs each alert with the original agency URL, the full agency name, and a timestamp so you can verify the notice against the primary source before acting on it. Tags on this item (weather, alert, Flash Flood Warning, Pearl River County) map to related alerts in the same area of risk — browsing them together gives a clearer picture than any single notice alone, because the shape of an ongoing issue only becomes visible across multiple sequential alerts.

Alert Details

A Flash Flood Warning has been issued by the National Weather Service in New Orleans LA. The alert is effective from May 21 at 3:09 PM CDT until May 21 at 4:30 PM CDT.

Affected Areas

Central Pearl River County in southern Mississippi, including Picayune, Poplarville, and McNeil. Interstate 59 in Mississippi between mile markers 19 and 20 and between mile markers 25 and 31.

What You Should Do

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.

Expected Conditions

Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 3 inches of rain have fallen. The expected rainfall rate is 1.5 to 2.5 inches in 1 hour. Additional rainfall amounts up to 2 inches are possible.

Timeline

The warning is in effect from 3:09 PM CDT until 4:30 PM CDT on May 21, 2026. Flash flooding is ongoing or expected to begin shortly.

Original source: NOAA Official Notice ↗

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Frequently Asked Questions

Common questions about this NWS weather alert.

What is this NWS weather alert about?
NWS New Orleans has issued a Flash Flood Warning for central Pearl River County in southern Mississippi until 4:30 PM CDT due to thunderstorms producing heavy rain.
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 Pearl River County, 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.