#GUwx #GUweather
734
FXPQ50 PGUM 120836
AFDGUM

Area Forecast Discussion
National Weather Service Tiyan GU
636 PM ChST Tue Sep 12 2023

.Marianas Synopsis...
Satellite imagery shows mostly cloudy skies across the region this
evening, though radar showing only isolated showers within this
cloud cover. Winds are southwest around 10 to 15 mph, with altimetry
showing combined seas of 4 to 5 feet, driven by southwest https://mesonet.agron.iastate.edu/p.php?pid=202309120836-PGUM-FXPQ50-AFDGUM

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100
FXPQ50 PGUM 120247 AAA
AFDGUM

Area Forecast Discussion...UPDATED
National Weather Service Tiyan GU
1247 PM ChST Tue Sep 12 2023

.Update...
The scattered showers and isolated thunderstorms that developed
within the coastal waters of Guam this morning have dissipated and
created an uniformed area of rain across Guam and its coastal
waters. Showers remain isolated across the Rota, Tinian, and https://mesonet.agron.iastate.edu/p.php?pid=202309120247-PGUM-FXPQ50-AFDGUM-AAA

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909
WWGM80 PGUM 112347
AWWGUM
GUZ001-120400-

AIRPORT WEATHER WARNING FOR GUAM INTERNATIONAL AIRPORT
NATIONAL WEATHER SERVICE TIYAN GU
947 AM ChST Tue Sep 12 2023

A THUNDERSTORM ADVISORY IS IN EFFECT FOR GUAM INTERNATIONAL AIRPORT
UNTIL 100 PM THIS AFTERNOON. THUNDERSTORMS ARE POSSIBLE OR
OCCURRING WITHIN 20 NAUTICAL MILES OF THE AIRPORT.

BE ALERT AND TAKE PRECAUTIONS AS REQUIRED.

$$

DOLL
https://mesonet.agron.iastate.edu/p.php?pid=202309112347-PGUM-WWGM80-AWWGUM

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535
FXPQ50 PGUM 112037
AFDGUM

Area Forecast Discussion
National Weather Service Tiyan GU
637 AM ChST Tue Sep 12 2023

.Marianas Synopsis...
Radar and Satellite show spotty showers over the Marianas this
morning but some heavier showers were farther northeast. A moist
monsoon flow continues across the forecast zones while a ridge of
high pressure is just east and southeast of the Marianas.

&& https://mesonet.agron.iastate.edu/p.php?pid=202309112037-PGUM-FXPQ50-AFDGUM

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510
FXPQ50 PGUM 100820
AFDGUM

Area Forecast Discussion
National Weather Service Tiyan GU
620 PM ChST Sun Sep 10 2023

.Marianas Synopsis...
A few showers and isolated thunderstorms were over the Marianas this
afternoon. A persistent monsoon pattern will continue to generate
periods of showers and thunderstorms tonight through Tuesday night.

&&

.Discussion...
Satellite imagery showed a circula https://mesonet.agron.iastate.edu/p.php?pid=202309100820-PGUM-FXPQ50-AFDGUM

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405
FXPQ50 PGUM 092229
AFDGUM

Area Forecast Discussion
National Weather Service Tiyan GU
829 AM ChST Sun Sep 10 2023

.Marianas Synopsis...
Satellite shows mostly cloudy skies while radar indicates isolated
showers moving through the Marianas Waters. The Ipan buoy reveals a
3 to 5 foot south swell, which is probably the 4 to 6 foot southwest
swell in the computer model wave guidance, and include https://mesonet.agron.iastate.edu/p.php?pid=202309092229-PGUM-FXPQ50-AFDGUM

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134
FXPQ50 PGUM 090829 CCA
AFDGUM

Area Forecast Discussion...CORRECTED
National Weather Service Tiyan GU
629 PM ChST Sat Sep 9 2023

.Marianas Synopsis...
A wet southwesterly monsoon flow pattern will continue through
Tuesday, before gradually weakening. Scattered showers and a few
thunderstorms are passing through the region this afternoon. A few of
which have been locally heavy. Altimetry show https://mesonet.agron.iastate.edu/p.php?pid=202309090829-PGUM-FXPQ50-AFDGUM-CCA

#GUwx #GUweather
540
FXPQ50 PGUM 090825
AFDGUM

Area Forecast Discussion
National Weather Service Tiyan GU
625 PM ChST Sat Sep 9 2023

.Marianas Synopsis...
A wet southwesterly monsoon flow pattern will continue through
Tuesday, before gradually weakening. Scattered showers and a few
thunderstorms are passing through the region this afternoon. A few of
which have been locally heavy. Altimetry shows seas near 7 fe https://mesonet.agron.iastate.edu/p.php?pid=202309090825-PGUM-FXPQ50-AFDGUM

#GUwx #GUweather
781
WGMY80 PGUM 081726
FLSGUM

Flood Advisory
National Weather Service Tiyan GU
326 AM ChST Sat Sep 9 2023

GUC120-081930-
/O.EXT.PGUM.FA.Y.0073.000000T0000Z-230908T1930Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Tinian-
326 AM ChST Sat Sep 9 2023

...FLOOD ADVISORY NOW IN EFFECT UNTIL 530 AM CHST EARLY THIS
MORNING...

* WHAT...Urban and small stream flooding caused by excessive
https://mesonet.agron.iastate.edu/vtec/f/2023-O-EXT-PGUM-FA-Y-0073_2023-09-08T17:26Z

#GUwx #GUweather
...FLOOD ADVISORY REMAINS IN EFFECT UNTIL 330 AM CHST EARLY THIS MORNING... * WHAT...Urban and small stream flooding caused by excessive rainfall is expected. * WHERE...Tinian. * WHEN...Until 330 AM ChST.
https://alerts.weather.gov/cap/wwacapget.php?x=GU126660180FC8.FloodAdvisory.126660185AC8GU.GUMFLSGUM.29c0208c8386ec564ac5e8046e6b7b8c

#GUwx #GUweather
520
WGMY80 PGUM 081538
FLSGUM

Flood Advisory
National Weather Service Tiyan GU
138 AM ChST Sat Sep 9 2023

GUC120-081730-
/O.CON.PGUM.FA.Y.0073.000000T0000Z-230908T1730Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Tinian-
138 AM ChST Sat Sep 9 2023

...FLOOD ADVISORY REMAINS IN EFFECT UNTIL 330 AM CHST EARLY THIS
MORNING...

* WHAT...Urban and small stream flooding caused by excessi https://mesonet.agron.iastate.edu/vtec/f/2023-O-CON-PGUM-FA-Y-0073_2023-09-08T15:38Z

#GUwx #GUweather
...FLOOD ADVISORY IN EFFECT UNTIL 330 AM CHST EARLY THIS MORNING... * WHAT...Urban and small stream looding caused by excessive rainfall is expected. * WHERE...Tinian. * WHEN...Until 330 AM ChST. * IMPACTS...Minor flooding in low-lying and poor drainage areas.
https://alerts.weather.gov/cap/wwacapget.php?x=GU126660180E38.FloodAdvisory.126660185AC8GU.GUMFLSGUM.29c0208c8386ec564ac5e8046e6b7b8c

#GUwx #GUweather
477
WGMY80 PGUM 081534
FLSGUM

Flood Advisory
National Weather Service Tiyan GU
134 AM ChST Sat Sep 9 2023

GUC120-081730-
/O.NEW.PGUM.FA.Y.0073.230908T1534Z-230908T1730Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Tinian-
134 AM ChST Sat Sep 9 2023

...FLOOD ADVISORY IN EFFECT UNTIL 330 AM CHST EARLY THIS MORNING...

* WHAT...Urban and small stream looding caused by excessive rainfal https://mesonet.agron.iastate.edu/vtec/f/2023-O-NEW-PGUM-FA-Y-0073_2023-09-08T15:34Z

#GUwx #GUweather
...FLOOD ADVISORY NOW IN EFFECT UNTIL 330 AM CHST EARLY THIS MORNING... * WHAT...Urban and small stream flooding caused by excessive rainfall continues. * WHERE...Saipan. * WHEN...Until 330 AM ChST.
https://alerts.weather.gov/cap/wwacapget.php?x=GU126660180C44.FloodAdvisory.126660185AC8GU.GUMFLSGUM.c4b397f1400db15c29dc6a599d520d98

#GUwx #GUweather
091
WGMY80 PGUM 081529
FLSGUM

Flood Advisory
National Weather Service Tiyan GU
129 AM ChST Sat Sep 9 2023

GUC110-081730-
/O.EXT.PGUM.FA.Y.0072.000000T0000Z-230908T1730Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Saipan-
129 AM ChST Sat Sep 9 2023

...FLOOD ADVISORY NOW IN EFFECT UNTIL 330 AM CHST EARLY THIS
MORNING...

* WHAT...Urban and small stream flooding caused by excessive
https://mesonet.agron.iastate.edu/vtec/f/2023-O-EXT-PGUM-FA-Y-0072_2023-09-08T15:29Z

#GUwx #GUweather
...FLOOD ADVISORY IN EFFECT UNTIL 130 AM CHST SATURDAY... * WHAT...Urban and small stream flooding caused by excessive rainfall is expected. * WHERE...Saipan. * WHEN...Until 130 AM ChST. * IMPACTS...Minor flooding in low-lying and poor drainage areas.
https://alerts.weather.gov/cap/wwacapget.php?x=GU12666017C270.FloodAdvisory.126660180CA8GU.GUMFLSGUM.c4b397f1400db15c29dc6a599d520d98

#GUwx #GUweather
138
WGMY80 PGUM 081340
FLSGUM

Flood Advisory
National Weather Service Tiyan GU
1140 PM ChST Fri Sep 8 2023

GUC110-081530-
/O.NEW.PGUM.FA.Y.0072.230908T1340Z-230908T1530Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Saipan-
1140 PM ChST Fri Sep 8 2023

...FLOOD ADVISORY IN EFFECT UNTIL 130 AM CHST SATURDAY...

* WHAT...Urban and small stream flooding caused by excessive
rainfall is https://mesonet.agron.iastate.edu/vtec/f/2023-O-NEW-PGUM-FA-Y-0072_2023-09-08T13:40Z

#GUwx #GUweather
421
WGMY80 PGUM 080910
FLSGUM

Flood Advisory
National Weather Service Tiyan GU
710 PM ChST Fri Sep 8 2023

GUC010-080920-
/O.CAN.PGUM.FA.Y.0071.000000T0000Z-230908T1115Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Guam-
710 PM ChST Fri Sep 8 2023

...FLOOD ADVISORY IS CANCELLED...

The Flood Advisory is cancelled for Southern Guam.

The heavy rain has ended. Urban and small stream fl https://mesonet.agron.iastate.edu/vtec/f/2023-O-CAN-PGUM-FA-Y-0071_2023-09-08T09:10Z

#GUwx #GUweather
...FLOOD ADVISORY IN EFFECT UNTIL 915 PM CHST THIS EVENING... * WHAT...Urban and small stream flooding caused by excessive rainfall is expected. * WHERE...Southern Guam. * WHEN...Until 915 PM ChST. * IMPACTS...Minor flooding in low-lying and poor drainage areas.
https://alerts.weather.gov/cap/wwacapget.php?x=GU12666016AAC0.FloodAdvisory.126660176A8CGU.GUMFLSGUM.b0202d107510a55438226cc35b2086fd

#GUwx #GUweather
839
WGMY80 PGUM 080624
FLSGUM

Flood Advisory
National Weather Service Tiyan GU
424 PM ChST Fri Sep 8 2023

GUC010-081115-
/O.NEW.PGUM.FA.Y.0071.230908T0624Z-230908T1115Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Guam-
424 PM ChST Fri Sep 8 2023

...FLOOD ADVISORY IN EFFECT UNTIL 915 PM CHST THIS EVENING...

* WHAT...Urban and small stream flooding caused by excessive
rainfall is https://mesonet.agron.iastate.edu/vtec/f/2023-O-NEW-PGUM-FA-Y-0071_2023-09-08T06:24Z