Alert archive / Northern Mariana Islands / Flash Flood Warnings in 2026

Flash Flood Warning 18, NWS Guam

July 5, 2026

NWS Guam issued this flash flood warning at Jul 5, 2026, 11:10 AM CDT. It was in force for 14 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jul 5, 2026, 11:10 AM CDT (16:10 UTC)
Expired
Jul 6, 2026, 1:15 AM CDT
In force
14 hr
Issued by
NWS Guam
Area
Storm-based polygon
Flood severity
None

The office that day

Everything else NWS Guam issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 5, 3:28 AM CDTSpecial Marine WarningGUM62 min
Jul 5, 5:14 AM CDTAreal Flood AdvisoryGUM3 hr
Jul 5, 5:21 AM CDTSpecial Marine WarningGUM24 min
Jul 5, 6:17 AM CDTAreal Flood AdvisoryGUM3 hr
Jul 5, 6:59 AM CDTSpecial Marine WarningGUM31 min
Jul 5, 7:01 AM CDTSpecial Marine WarningGUM29 min
Jul 5, 7:31 AM CDTSpecial Marine WarningGUM29 min
Jul 5, 7:34 AM CDTSpecial Marine WarningGUM26 min
Jul 5, 7:34 AM CDTSpecial Marine WarningGUM26 min
Jul 5, 7:40 AM CDTSpecial Marine WarningGUM35 min
Jul 5, 8:25 AM CDTFlash Flood WarningGUM3 hr
Jul 5, 8:26 AM CDTFlash Flood WarningGUM3 hr
Jul 5, 8:39 AM CDTSpecial Marine WarningGUM36 min
Jul 5, 9:21 AM CDTSpecial Marine WarningGUM24 min
Jul 5, 12:07 PM CDTFlash Flood WarningGUM12 hr
Jul 5, 1:33 PM CDTExtreme Wind WarningGUM117 min
Jul 5, 3:29 PM CDTExtreme Wind WarningGUM3 hr
Jul 5, 6:17 PM CDTExtreme Wind WarningGUM118 min
Jul 5, 8:08 AM CDTFlash Flood WarningGUM2 hr

Nearby

Flash Flood Warnings in Northern Mariana Islands, 2026Flash Flood Warnings in Guam, 2026Every flash flood warning in 2026

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.