Guam County, GU
To view the watches and warnings information that we have available you will need to select your city, county, or state first.
Enter City, State or Zip Code to Select a Location from the List
Watch/Warnings
Click to view enlarged map

The National Weather Service's Watches, Warnings and Advisories by state counties include: Thunderstorm, Tornado, Flood, Flash Flood, Winter Storm, High Wind, Gale, Small Aircraft, High Surf, Marine, Heat, Air Quality, Ashfall, Hazardous, and Special Statements.
Weather Alerts: Guam County, GU
« View county list

Aviation Weather Warning
GUZ001-301900-

AIRPORT WEATHER WARNING FOR GUAM INTERNATIONAL AIRPORT
NATIONAL WEATHER SERVICE TIYAN GUAM
ISSUED BY NATIONAL WEATHER SERVICE HONOLULU HI
255 AM CHST WED OCT 1 2014

A THUNDERSTORM WARNING IS NOW IN EFFECT FOR THE GUAM INTERNATIONAL
AIRPORT UNTIL 400 AM. RADAR SHOWS THUNDERSTORMS ARE OCCURRING
WITHIN 5 NAUTICAL MILES OF THE AIRPORT COMPLEX.

A THUNDERSTORM ADVISORY IS ALSO NOW IN EFFECT UNTIL 500 AM THIS
MORNING. THUNDERSTORMS ARE POSSIBLE WITHIN 20 NAUTICAL MILES OF THE
AIRPORT COMPLEX. THIS ADVISORY MAY BE EXTENDED IF THE THREAT OF
THUNDERSTORMS WITHIN 20 NAUTICAL MILES PERSISTS.

THUNDERSTORMS PRODUCE DANGEROUS CLOUD TO GROUND LIGHTNING. BE ALERT
AND TAKE PRECAUTIONS AS REQUIRED.

$$

Flood Advisory
GUC010-302030-
/O.NEW.PGUM.FA.Y.0015.140930T1741Z-140930T2030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
GUAM GU-
341 AM CHST WED OCT 1 2014

THE NATIONAL WEATHER SERVICE IN TIYAN GUAM HAS ISSUED A

* FLOOD ADVISORY FOR THE ISLAND OF GUAM

* UNTIL 630 AM CHST

* AT 327 AM CHST...RADAR SHOWED BANDS OF HEAVY RAIN AND
THUNDERSTORMS MOVING OVER GUAM FROM THE SOUTHWEST...WITH RAIN
RATES NEAR TWO INCHES PER HOUR.

* THIS ADVISORY INCLUDES ALL OF THE ISLAND OF GUAM.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

STAY AWAY FROM STREAMS...DRAINAGE DITCHES AND LOW LYING AREAS PRONE
TO FLOODING.

RAINFALL AND RUNOFF WILL ALSO CAUSE HAZARDOUS DRIVING CONDITIONS DUE
TO PONDING...REDUCED VISIBILITY AND POOR BRAKING ACTION.

DO NOT CROSS FAST FLOWING OR RISING WATER IN YOUR VEHICLE OR ON FOOT.
TURN AROUND...DON/T DROWN.

&&

THIS ADVISORY MAY NEED TO BE EXTENDED BEYOND 630 AM CHST IF HEAVY
RAIN PERSISTS.

LAT...LON 1348 14461 1366 14484 1363 14502 1321 14475
1324 14462

$$

National Weather Service

Providing "weather, water cycle, and climate forecasts and warnings for the United States, its territories, adjacent waters and ocean areas, for the protection of life and property and the enhancement of the national economy."
Weather Alerts by Type
Aviation Weather Warning
Fire Weather Watch
Flash Flood Watch
Flood Advisory
Flood Warning
Flood Watch
Freeze Warning
Freeze Watch
Frost Advisory
Rip Current Statement
Special Weather Statement
Wind Advisory
Additional Severe Weather Maps
Severe Outlook Today
Severe Outlook Today
WSI's Severe Outlook Map displays current Watches, Warnings and Advisories via County Fill colors.
Severe Outlook Tomorrow
Severe Outlook Tomorrow
WSI's Severe Outlook Forecast Map displaying projected Watches, Warnings and Advisories.
THUNDERcast
THUNDERcast
The THUNDERcast map shows areas of probability for regional or national thunderstorms for the current day.
1Km Storm Watch
1Km Storm Watch
The 1Km map allows you to view 1 kilometer (km) resolution radar imagery both nationally and regionally.
Metro Storm Watch
Metro Storm Watch
The Metro map allows you to view 1 kilometer (km) resolution radar imagery.
Advertisements
Track Severe Weather on mobile