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13 Nov 2024 Update: The tool was updated to use non-hash link style URLs. A shim is in place to translate the old URLs to the new ones, so nothing should be broken (famous last words). This was done to allow the HTML5 History API to provide a better user experience.

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2025 [PHFO] HONOLULU Flood (FA) Watch (A) Number 3

Listing of Counties/Parishes/Zones Included in Product

RADAR Composite at Issuance Time

Storm Based Warning History

782 
WGHW60 PHFO 171301
FFAHFO

URGENT - IMMEDIATE BROADCAST REQUESTED
Flood Watch
National Weather Service Honolulu HI
301 AM HST Mon Mar 17 2025

...FLOOD WATCH FOR NIIHAU, KAUAI AND OAHU...

HIZ001-003-004-006-007-009>011-029>036-180315-
/O.NEW.PHFO.FA.A.0003.250317T1301Z-250318T0400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Niihau-Kauai Southwest-Kauai Mountains-Waianae Coast-Oahu North
Shore-Olomana-Central Oahu-Waianae Mountains-Kauai North-Kauai
East-Kauai South-East Honolulu-Honolulu Metro-Ewa Plain-Koolau
Windward-Koolau Leeward-
301 AM HST Mon Mar 17 2025

* WHAT...Flash flooding caused by excessive rainfall is possible.

* WHERE...The island of Niihau, Kauai, and Oahu.

* WHEN...Through this afternoon.

* IMPACTS...Flood prone roads and other low lying areas may be 
  closed due to elevated runoff and overflowing streams. Urban areas 
  may receive more significant flooding and property damage due to 
  rapid runoff.

* ADDITIONAL DETAILS...
  - The potential for locally heavy showers and a few
    thunderstorms will persist across the western end of the
    state, as an upper-level disturbance to the west produces
    unstable conditions.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be prepared to take action 
should Flash Flood Warnings be issued.

&&

$$

GIBBS
126 
WGHW60 PHFO 180104
FFAHFO

URGENT - IMMEDIATE BROADCAST REQUESTED
Flood Watch
National Weather Service Honolulu HI
304 PM HST Mon Mar 17 2025

...FLOOD WATCH EXTENDED IN TIME FOR NIIHAU, KAUAI, AND OAHU...

HIZ001-003-004-006-007-009>011-029>036-181515-
/O.EXT.PHFO.FA.A.0003.000000T0000Z-250318T1600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Niihau-Kauai Southwest-Kauai Mountains-Waianae Coast-Oahu North
Shore-Olomana-Central Oahu-Waianae Mountains-Kauai North-Kauai
East-Kauai South-East Honolulu-Honolulu Metro-Ewa Plain-Koolau
Windward-Koolau Leeward-
304 PM HST Mon Mar 17 2025

* WHAT...Flash flooding caused by excessive rainfall continues to be 
  possible.

* WHERE...Kauai, Oahu, and Niihau.

* WHEN...Through late tonight.

* IMPACTS...Flood prone roads and other low lying areas may be 
  closed due to elevated runoff and overflowing streams. Urban areas 
  may receive more significant flooding and property damage due to 
  rapid runoff.

* ADDITIONAL DETAILS...
  - The potential for locally heavy showers and a few
    thunderstorms will persist across the western end of the
    state, as an upper-level disturbance to the west produces
    unstable conditions.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be prepared to take action 
should Flash Flood Warnings be issued.

&&

$$

VAUGHAN
675 
WGHW60 PHFO 181309
FFAHFO

Flood Watch
National Weather Service Honolulu HI
309 AM HST Tue Mar 18 2025

...FLOOD WATCH CANCELLED FOR NIIHAU KAUAI AND OAHU...

HIZ001-003-004-006-007-009>011-029>036-181415-
/O.CAN.PHFO.FA.A.0003.000000T0000Z-250318T1600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Niihau-Kauai Southwest-Kauai Mountains-Waianae Coast-Oahu North
Shore-Olomana-Central Oahu-Waianae Mountains-Kauai North-Kauai
East-Kauai South-East Honolulu-Honolulu Metro-Ewa Plain-Koolau
Windward-Koolau Leeward-
309 AM HST Tue Mar 18 2025

The Flood Watch is cancelled for the island of Niihau and Kauai in 
Kauai County, and the island of Oahu in Honolulu County.

Flooding is no longer expected to pose a threat.

$$

RCB
Permalink to 202503171301-PHFO-WGHW60-FFAHFO
782 
WGHW60 PHFO 171301
FFAHFO

URGENT - IMMEDIATE BROADCAST REQUESTED
Flood Watch
National Weather Service Honolulu HI
301 AM HST Mon Mar 17 2025

...FLOOD WATCH FOR NIIHAU, KAUAI AND OAHU...

HIZ001-003-004-006-007-009>011-029>036-180315-
/O.NEW.PHFO.FA.A.0003.250317T1301Z-250318T0400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Niihau-Kauai Southwest-Kauai Mountains-Waianae Coast-Oahu North
Shore-Olomana-Central Oahu-Waianae Mountains-Kauai North-Kauai
East-Kauai South-East Honolulu-Honolulu Metro-Ewa Plain-Koolau
Windward-Koolau Leeward-
301 AM HST Mon Mar 17 2025

* WHAT...Flash flooding caused by excessive rainfall is possible.

* WHERE...The island of Niihau, Kauai, and Oahu.

* WHEN...Through this afternoon.

* IMPACTS...Flood prone roads and other low lying areas may be 
  closed due to elevated runoff and overflowing streams. Urban areas 
  may receive more significant flooding and property damage due to 
  rapid runoff.

* ADDITIONAL DETAILS...
  - The potential for locally heavy showers and a few
    thunderstorms will persist across the western end of the
    state, as an upper-level disturbance to the west produces
    unstable conditions.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be prepared to take action 
should Flash Flood Warnings be issued.

&&

$$

GIBBS
Permalink to 202503180104-PHFO-WGHW60-FFAHFO
126 
WGHW60 PHFO 180104
FFAHFO

URGENT - IMMEDIATE BROADCAST REQUESTED
Flood Watch
National Weather Service Honolulu HI
304 PM HST Mon Mar 17 2025

...FLOOD WATCH EXTENDED IN TIME FOR NIIHAU, KAUAI, AND OAHU...

HIZ001-003-004-006-007-009>011-029>036-181515-
/O.EXT.PHFO.FA.A.0003.000000T0000Z-250318T1600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Niihau-Kauai Southwest-Kauai Mountains-Waianae Coast-Oahu North
Shore-Olomana-Central Oahu-Waianae Mountains-Kauai North-Kauai
East-Kauai South-East Honolulu-Honolulu Metro-Ewa Plain-Koolau
Windward-Koolau Leeward-
304 PM HST Mon Mar 17 2025

* WHAT...Flash flooding caused by excessive rainfall continues to be 
  possible.

* WHERE...Kauai, Oahu, and Niihau.

* WHEN...Through late tonight.

* IMPACTS...Flood prone roads and other low lying areas may be 
  closed due to elevated runoff and overflowing streams. Urban areas 
  may receive more significant flooding and property damage due to 
  rapid runoff.

* ADDITIONAL DETAILS...
  - The potential for locally heavy showers and a few
    thunderstorms will persist across the western end of the
    state, as an upper-level disturbance to the west produces
    unstable conditions.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be prepared to take action 
should Flash Flood Warnings be issued.

&&

$$

VAUGHAN
Permalink to 202503181309-PHFO-WGHW60-FFAHFO
675 
WGHW60 PHFO 181309
FFAHFO

Flood Watch
National Weather Service Honolulu HI
309 AM HST Tue Mar 18 2025

...FLOOD WATCH CANCELLED FOR NIIHAU KAUAI AND OAHU...

HIZ001-003-004-006-007-009>011-029>036-181415-
/O.CAN.PHFO.FA.A.0003.000000T0000Z-250318T1600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Niihau-Kauai Southwest-Kauai Mountains-Waianae Coast-Oahu North
Shore-Olomana-Central Oahu-Waianae Mountains-Kauai North-Kauai
East-Kauai South-East Honolulu-Honolulu Metro-Ewa Plain-Koolau
Windward-Koolau Leeward-
309 AM HST Tue Mar 18 2025

The Flood Watch is cancelled for the island of Niihau and Kauai in 
Kauai County, and the island of Oahu in Honolulu County.

Flooding is no longer expected to pose a threat.

$$

RCB

All Storm Reports within Event Political Coverage

Storm Reports within Product Polygon

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