Alert archive / Guam / High Surf Advisories in 2021

High Surf Advisory 11, NWS Guam

July 22, 2021

NWS Guam issued this high surf advisory at Jul 22, 2021, 2:20 PM CDT. It took effect at Jul 23, 2021, 1:00 PM CDT. It was in force for 4 days.

The area

The counties it named.

The facts

Issued: Jul 22, 2021, 2:20 PM CDT (19:20 UTC)
In effect from: Jul 23, 2021, 1:00 PM CDT
Expired: Jul 27, 2021, 7:00 AM CDT
In force: 4 days
Issued by: NWS Guam

What forecasters said that day

The local office's own words before this high surf advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Guam wrote its last area forecast discussion before this high surf advisory went out at Jul 22, 3:18 AM CDT, 11 hours 2 minutes earlier.

Area forecast discussion, Jul 22, 3:18 AM CDT, 11 hours 2 minutes before

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The office that day

Everything else NWS Guam issued on the same UTC day.

Issued	Product	Office	Lasted
Jul 21, 11:05 PM CDT	Areal Flood Advisory	GUM	3 hr
Jul 21, 11:23 PM CDT	Flash Flood Watch	GUM	16 hr
Jul 21, 11:23 PM CDT	Flash Flood Warning	GUM	3 hr
Jul 22, 12:22 AM CDT	Areal Flood Advisory	GUM	113 min
Jul 22, 2:42 AM CDT	Areal Flood Advisory	GUM	2 hr

Nearby

High Surf Advisories in Guam, 2021 Every high surf advisory in 2021

Sources

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