News & Updates for Tangipahoa Parish

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Excessive Rainfall Update - Tuesday August 23rd, 2022

Click HERE and HERE for an update concerning the current heavy rain threat.

Overview:

WHAT: MARGINAL RISK to SLIGHT RISK of Excessive Rainfall today, with a MARGINAL to SLIGHT risk continuing for portions of the area through midweek.

WHEN:  The shower and thunderstorm coverage should increase later this morning and into the afternoon.

WHERE:  Threat for today is generally near and north of the Interstate 10 corridor.

CONFIDENCE: We are confident that there will be thunderstorms across the area and moderate to high confidence in heavy rainfall somewhere across portions of the forecast area today. Exactly where this occurs has a lower confidence level. Heavily urbanized and other flood-prone areas may experience flooding today, especially if multiple storms impact the same location(s).

Impacts:

  • Rainfall rates up to 3 to 4 inches per hour could cause flooding of low-lying and poorly drained areas.

  • Expect ponding of water in low-lying areas and some potential for localized flash flooding

 

The hyperlinks attached graphics highlight the threat areas for excessive rainfall for the next couple of days.

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