Alert archive / Hawaii / Flash Flood Watches in 2013
Flash Flood Watch 13, NWS Honolulu, HI
NWS Honolulu, HI issued this flash flood watch at Nov 12, 2013, 8:24 AM HST for 4 counties in Hawaii. It took effect at Nov 13, 2013, 4:00 AM HST. It was in force for 56 hr.
The area
The counties it named.
The facts
- Issued
- Nov 12, 2013, 8:24 AM HST (18:24 UTC)
- In effect from
- Nov 13, 2013, 4:00 AM HST
- Expired
- Nov 15, 2013, 12:17 PM HST
- In force
- 56 hr
- Issued by
- NWS Honolulu, HI
- Flood severity
- None
Counties Hawaii County, HI, Honolulu County, HI, Kalawao County, HI, Kauai County, HI
The radar
The Molokai radar (PHMO), 38 km from the middle of the area, began a volume at 18:21 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Lihue, (PHLI), launched 12:00Z, 6.4 hours before the alert went out and 214 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 223 J/kg
- Mixed-layer CIN
- -9 J/kg
- Mixed-layer LCL
- 984 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- -98 m²/s²
- 0-3 km storm-relative helicity
- 6 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.8
The text
As transmitted, in the capitals the NWS used until 2016.
579 WGHW60 PHFO 121824 FFAHFO URGENT - IMMEDIATE BROADCAST REQUESTED FLOOD WATCH NATIONAL WEATHER SERVICE HONOLULU HI 824 AM HST TUE NOV 12 2013 ...FLASH FLOOD WATCH FOR THE BIG ISLAND AND MAUI COUNTY FROM LATE TONIGHT THROUGH THURSDAY AFTERNOON... .MOISTURE ASSOCIATED WITH A STALLED FRONT WILL COMBINE WITH A DEVELOPING UPPER LEVEL TROUGH TO BRING THE THREAT OF WIDESPREAD HEAVY RAIN. HIZ012>028-130730- /O.NEW.PHFO.FF.A.0013.131113T1400Z-131115T0400Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ MOLOKAI WINDWARD-MOLOKAI LEEWARD-LANAI MAKAI-LANAI MAUKA- KAHOOLAWE-MAUI WINDWARD WEST-MAUI LEEWARD WEST- MAUI CENTRAL VALLEY-WINDWARD HALEAKALA-LEEWARD HALEAKALA- HALEAKALA SUMMIT-KONA-SOUTH BIG ISLAND-BIG ISLAND NORTH AND EAST- KOHALA-BIG ISLAND INTERIOR-BIG ISLAND SUMMITS- 824 AM HST TUE NOV 12 2013 ...FLASH FLOOD WATCH IN EFFECT FROM LATE TONIGHT THROUGH THURSDAY AFTERNOON... THE NATIONAL WEATHER SERVICE IN HONOLULU HAS ISSUED A * FLASH FLOOD WATCH FOR KAHOOLAWE...LANAI...MAUI...MOLOKAI AND THE BIG ISLAND. * FROM LATE TONIGHT THROUGH THURSDAY AFTERNOON. * HEAVY RAIN IS EXPECTED TO BE WIDESPREAD AND SLOW-MOVING... AFFECTING URBAN AREAS IN THE LOWER ELEVATIONS...WHICH WILL BE MORE SUSCEPTIBLE TO FLOODING PROBLEMS. HEAVY RAIN IS ALSO EXPECTED OVER UPSLOPE AREAS...WHICH WILL LIKELY PRODUCE FLASH FLOODING OF STREAMS. THE THREAT OF HEAVY RAIN WILL INITIALLY BE GREATEST OVER THE BIG ISLAND AND MAUI...STARTING LATE TONIGHT. THE AREA OF HEAVY RAIN IS EXPECTED TO GRADUALLY SHIFT WESTWARD OVER THE REMAINDER OF MAUI COUNTY LATE WEDNESDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS VERY DANGEROUS. REMEMBER THAT IT DOES NOT HAVE TO BE RAINING HEAVILY WHERE YOU ARE FOR FLASH FLOODING TO OCCUR. MONITOR THE LATEST FORECASTS AND BE PREPARED TO TAKE IMMEDIATE ACTION IF FLASH FLOOD WARNINGS ARE ISSUED. && $$ BIRCHARD
10 follow-up statements
036 WGHW60 PHFO 130158 FFAHFO URGENT - IMMEDIATE BROADCAST REQUESTED FLOOD WATCH NATIONAL WEATHER SERVICE HONOLULU HI 358 PM HST TUE NOV 12 2013 ...FLASH FLOOD WATCH FOR THE BIG ISLAND AND MAUI COUNTY FROM LATE TONIGHT THROUGH THURSDAY AFTERNOON... ...FLASH FLOOD WATCH FOR OAHU FROM WEDNESDAY EVENING THROUGH THURSDAY AFTERNOON... .ABUNDANT MOISTURE MOVING OVER THE ISLANDS FROM THE EAST WILL COMBINE WITH A DEVELOPING UPPER LEVEL TROUGH TO BRING THE THREAT OF WIDESPREAD MODERATE TO HEAVY RAIN...AND ISOLATED THUNDERSTORMS. HIZ005>011-131500- /O.EXB.PHFO.FF.A.0013.131114T0400Z-131115T0400Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ OAHU SOUTH SHORE-WAIANAE COAST-OAHU NORTH SHORE-OAHU KOOLAU- OLOMANA-CENTRAL OAHU-WAIANAE MOUNTAINS- 358 PM HST TUE NOV 12 2013 ...FLASH FLOOD WATCH IN EFFECT FROM WEDNESDAY EVENING THROUGH THURSDAY AFTERNOON... THE NATIONAL WEATHER SERVICE IN HONOLULU HAS EXPANDED THE * FLASH FLOOD WATCH TO INCLUDE OAHU * FROM WEDNESDAY EVENING THROUGH THURSDAY AFTERNOON. * HEAVY RAIN IS EXPECTED TO BE WIDESPREAD AND SLOW-MOVING... AFFECTING URBAN AREAS IN THE LOWER ELEVATIONS...WHICH WILL BE MORE SUSCEPTIBLE TO FLOODING PROBLEMS. HEAVY RAIN IS ALSO EXPECTED OVER UPSLOPE AREAS...WHICH WILL LIKELY PRODUCE FLASH FLOODING OF STREAMS. THE THREAT OF HEAVY RAIN WILL SHIFT FROM EAST TO WEST ACROSS THE ISLAND CHAIN...INITIALLY IMPACTING MAUI COUNTY AND THE BIG ISLAND...BEFORE SPREADING WEST TO OAHU LATE WEDNESDAY AND THURSDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS VERY DANGEROUS. REMEMBER THAT IT DOES NOT HAVE TO BE RAINING HEAVILY WHERE YOU ARE FOR FLASH FLOODING TO OCCUR. MONITOR THE LATEST FORECASTS AND BE PREPARED TO TAKE IMMEDIATE ACTION IF FLASH FLOOD WARNINGS ARE ISSUED. && $$ HIZ012>028-131500- /O.CON.PHFO.FF.A.0013.131113T1400Z-131115T0400Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ MOLOKAI WINDWARD-MOLOKAI LEEWARD-LANAI MAKAI-LANAI MAUKA- KAHOOLAWE-MAUI WINDWARD WEST-MAUI LEEWARD WEST- MAUI CENTRAL VALLEY-WINDWARD HALEAKALA-LEEWARD HALEAKALA- HALEAKALA SUMMIT-KONA-SOUTH BIG ISLAND-BIG ISLAND NORTH AND EAST- KOHALA-BIG ISLAND INTERIOR-BIG ISLAND SUMMITS- 358 PM HST TUE NOV 12 2013 ...FLASH FLOOD WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH THURSDAY AFTERNOON... THE FLASH FLOOD WATCH CONTINUES FOR * KAHOOLAWE...LANAI...MAUI...MOLOKAI AND THE BIG ISLAND. * FROM LATE TONIGHT THROUGH THURSDAY AFTERNOON. * RAIN IS EXPECTED TO BE WIDESPREAD AND SLOW-MOVING...AFFECTING URBAN AREAS IN THE LOWER ELEVATIONS...WHICH WILL BE MORE SUSCEPTIBLE TO FLOODING PROBLEMS. HEAVY RAIN IS ALSO EXPECTED OVER UPSLOPE AREAS...WHICH WILL LIKELY PRODUCE FLASH FLOODING OF STREAMS. THE THREAT OF HEAVY RAIN WILL INITIALLY BE GREATEST OVER THE BIG ISLAND...STARTING LATE TONIGHT. THE AREA OF HEAVY RAIN IS EXPECTED TO GRADUALLY SHIFT WESTWARD OVER MAUI EARLY WEDNESDAY...MOVING OVER THE REMAINDER OF MAUI COUNTY LATE WEDNESDAY AND THURSDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS VERY DANGEROUS. REMEMBER THAT IT DOES NOT HAVE TO BE RAINING HEAVILY WHERE YOU ARE FOR FLASH FLOODING TO OCCUR. MONITOR THE LATEST FORECASTS AND BE PREPARED TO TAKE IMMEDIATE ACTION IF FLASH FLOOD WARNINGS ARE ISSUED. && $$ BIRCHARD
556 WGHW60 PHFO 131340 FFAHFO FLOOD WATCH NATIONAL WEATHER SERVICE HONOLULU HI 340 AM HST WED NOV 13 2013 ...FLASH FLOOD WATCH FOR THE BIG ISLAND AND MAUI COUNTY THROUGH THURSDAY AFTERNOON... ...FLASH FLOOD WATCH FOR OAHU FROM THIS EVENING THROUGH THURSDAY AFTERNOON... .ABUNDANT MOISTURE MOVING OVER THE ISLANDS FROM THE EAST WILL COMBINE WITH A DEVELOPING UPPER-LEVEL TROUGH TO BRING THE THREAT OF WIDESPREAD MODERATE TO HEAVY RAIN...AND ISOLATED THUNDERSTORMS. HIZ012>028-140245- /O.CON.PHFO.FF.A.0013.131113T1400Z-131115T0400Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ MOLOKAI WINDWARD-MOLOKAI LEEWARD-LANAI MAKAI-LANAI MAUKA- KAHOOLAWE-MAUI WINDWARD WEST-MAUI LEEWARD WEST- MAUI CENTRAL VALLEY-WINDWARD HALEAKALA-LEEWARD HALEAKALA- HALEAKALA SUMMIT-KONA-SOUTH BIG ISLAND-BIG ISLAND NORTH AND EAST- KOHALA-BIG ISLAND INTERIOR-BIG ISLAND SUMMITS- 340 AM HST WED NOV 13 2013 ...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH THURSDAY AFTERNOON... THE FLASH FLOOD WATCH CONTINUES FOR * KAHOOLAWE...LANAI...MAUI...MOLOKAI AND THE BIG ISLAND. * THROUGH THURSDAY AFTERNOON. * RAIN IS EXPECTED TO BE WIDESPREAD AND SLOW-MOVING...AFFECTING URBAN AREAS IN THE LOWER ELEVATIONS...WHICH WILL BE MORE SUSCEPTIBLE TO FLOODING PROBLEMS. HEAVY RAIN IS ALSO EXPECTED OVER UPSLOPE AREAS...WHICH WILL LIKELY PRODUCE FLASH FLOODING OF STREAMS. ALTHOUGH THE THREAT OF HEAVY RAIN HAS BEEN DEVELOPING MORE SLOWLY THAN EXPECTED EARLIER...POTENTIALLY DANGEROUS CONDITIONS WILL REACH THE BIG ISLAND BY THIS AFTERNOON. THE AREA OF HEAVY RAIN IS EXPECTED TO SHIFT WESTWARD GRADUALLY OVER MAUI COUNTY TONIGHT AND THURSDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS VERY DANGEROUS. REMEMBER THAT IT DOES NOT HAVE TO BE RAINING HEAVILY WHERE YOU ARE FOR FLASH FLOODING TO OCCUR. MONITOR THE LATEST FORECASTS AND BE PREPARED TO TAKE IMMEDIATE ACTION IF FLASH FLOOD WARNINGS ARE ISSUED. && $$ HIZ005>011-140245- /O.CON.PHFO.FF.A.0013.131114T0400Z-131115T0400Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ OAHU SOUTH SHORE-WAIANAE COAST-OAHU NORTH SHORE-OAHU KOOLAU- OLOMANA-CENTRAL OAHU-WAIANAE MOUNTAINS- 340 AM HST WED NOV 13 2013 ...FLASH FLOOD WATCH REMAINS IN EFFECT FROM THIS EVENING THROUGH THURSDAY AFTERNOON... THE FLASH FLOOD WATCH CONTINUES FOR * OAHU. * FROM THIS EVENING THROUGH THURSDAY AFTERNOON. * HEAVY RAIN IS EXPECTED TO BE WIDESPREAD AND SLOW-MOVING... AFFECTING URBAN AREAS IN THE LOWER ELEVATIONS...WHICH WILL BE MORE SUSCEPTIBLE TO FLOODING PROBLEMS. HEAVY RAIN IS ALSO EXPECTED OVER UPSLOPE AREAS...WHICH WILL LIKELY PRODUCE FLASH FLOODING OF STREAMS. THE THREAT OF HEAVY RAIN WILL SHIFT FROM EAST TO WEST ACROSS THE ISLAND CHAIN...REACHING OAHU BY LATE TONIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS VERY DANGEROUS. REMEMBER THAT IT DOES NOT HAVE TO BE RAINING HEAVILY WHERE YOU ARE FOR FLASH FLOODING TO OCCUR. MONITOR THE LATEST FORECASTS AND BE PREPARED TO TAKE IMMEDIATE ACTION IF FLASH FLOOD WARNINGS ARE ISSUED. && $$
644 WGHW60 PHFO 132056 FFAHFO FLOOD WATCH NATIONAL WEATHER SERVICE HONOLULU HI 1056 AM HST WED NOV 13 2013 ...FLASH FLOOD WATCH FOR THE BIG ISLAND AND MAUI COUNTY THROUGH THURSDAY AFTERNOON... ...FLASH FLOOD WATCH FOR OAHU FROM TONIGHT THROUGH THURSDAY AFTERNOON... .ABUNDANT MOISTURE MOVING OVER THE ISLANDS FROM THE EAST WILL COMBINE WITH A DEVELOPING UPPER-LEVEL TROUGH TO BRING THE THREAT OF WIDESPREAD MODERATE TO HEAVY RAIN...AND ISOLATED THUNDERSTORMS. HIZ012>028-141000- /O.CON.PHFO.FF.A.0013.000000T0000Z-131115T0400Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ MOLOKAI WINDWARD-MOLOKAI LEEWARD-LANAI MAKAI-LANAI MAUKA- KAHOOLAWE-MAUI WINDWARD WEST-MAUI LEEWARD WEST- MAUI CENTRAL VALLEY-WINDWARD HALEAKALA-LEEWARD HALEAKALA- HALEAKALA SUMMIT-KONA-SOUTH BIG ISLAND-BIG ISLAND NORTH AND EAST- KOHALA-BIG ISLAND INTERIOR-BIG ISLAND SUMMITS- 1056 AM HST WED NOV 13 2013 ...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH THURSDAY AFTERNOON... THE FLASH FLOOD WATCH CONTINUES FOR * KAHOOLAWE...LANAI...MAUI...MOLOKAI AND THE BIG ISLAND. * THROUGH THURSDAY AFTERNOON. * LOCALIZED HEAVY SHOWERS AND THUNDERSTORMS WILL DEVELOP ON THE BIG ISLAND...AND POSSIBLY MAUI COUNTY...THIS AFTERNOON AS A BAND OF DEEP MOISTURE MOVES UP FROM THE SOUTH. THE CHANCE FOR FLOODING RAIN WILL INCREASE OVERNIGHT AND WILL CONTINUE ON THURSDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... NOW IS THE TIME TO PREPARE FOR THE POSSIBILITY OF FLOODING RAINFALL. A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS VERY DANGEROUS. MONITOR THE LATEST FORECASTS AND BE PREPARED TO TAKE IMMEDIATE ACTION IF FLASH FLOOD WARNINGS ARE ISSUED. && $$ HIZ005>011-141000- /O.CON.PHFO.FF.A.0013.131114T0400Z-131115T0400Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ OAHU SOUTH SHORE-WAIANAE COAST-OAHU NORTH SHORE-OAHU KOOLAU- OLOMANA-CENTRAL OAHU-WAIANAE MOUNTAINS- 1056 AM HST WED NOV 13 2013 ...FLASH FLOOD WATCH REMAINS IN EFFECT FROM 6 PM HST THIS EVENING THROUGH THURSDAY AFTERNOON... THE FLASH FLOOD WATCH CONTINUES FOR * OAHU. * FROM 6 PM HST THIS EVENING THROUGH THURSDAY AFTERNOON. * THE RECENT DRY...COOL WEATHER WILL COME TO AN END AS A BAND OF DEEP MOISTURE SOUTH OF THE ISLANDS APPROACHES FROM THE SOUTH LATE TONIGHT. THIS WILL BRING A THREAT OF HEAVY SHOWERS TO OAHU...WITH THE HIGHEST CHANCES FOR FLOODING RAINFALL EXPECTED ON THURSDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... NOW IS THE TIME TO PREPARE FOR THE POSSIBILITY OF FLOODING RAINFALL. A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS VERY DANGEROUS. MONITOR THE LATEST FORECASTS AND BE PREPARED TO TAKE IMMEDIATE ACTION IF FLASH FLOOD WARNINGS ARE ISSUED. && $$ WROE
134 WGHW60 PHFO 140146 FFAHFO FLOOD WATCH NATIONAL WEATHER SERVICE HONOLULU HI 346 PM HST WED NOV 13 2013 ...FLASH FLOOD WATCH THE BIG ISLAND MAUI OAHU MOLOKAI LANAI AND KAHOOLAWE THROUGH THURSDAY AFTERNOON... .DEEP MOISTURE MOVING OVER THE ISLANDS FROM THE SOUTH UNDER UNSTABLE CONDITIONS WILL PRODUCE A THREAT OF HEAVY SHOWERS AND THUNDERSTORMS OVERNIGHT TONIGHT AND ON THURSDAY. THE GREATEST CHANCE FOR FLOODING RAIN WILL BE ON THE BIG ISLAND DURING THE EVENING...MOVING TO MAUI OVERNIGHT...AND SPREADING TO OAHU LATE TONIGHT AND THURSDAY. HIZ012>028-141500- /O.CON.PHFO.FF.A.0013.000000T0000Z-131115T0400Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ MOLOKAI WINDWARD-MOLOKAI LEEWARD-LANAI MAKAI-LANAI MAUKA- KAHOOLAWE-MAUI WINDWARD WEST-MAUI LEEWARD WEST- MAUI CENTRAL VALLEY-WINDWARD HALEAKALA-LEEWARD HALEAKALA- HALEAKALA SUMMIT-KONA-SOUTH BIG ISLAND-BIG ISLAND NORTH AND EAST- KOHALA-BIG ISLAND INTERIOR-BIG ISLAND SUMMITS- 346 PM HST WED NOV 13 2013 ...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH THURSDAY AFTERNOON... THE FLASH FLOOD WATCH CONTINUES FOR * KAHOOLAWE...LANAI...MAUI...MOLOKAI AND THE BIG ISLAND. * THROUGH THURSDAY AFTERNOON. * LOCALIZED HEAVY SHOWERS AND THUNDERSTORMS WILL DEVELOP ON THE BIG ISLAND DURING THE EVENING AND SPREAD TO MAUI COUNTY OVERNIGHT AS A BAND OF DEEP MOISTURE MOVES UP FROM THE SOUTH. THE CHANCE FOR FLOODING RAIN WILL CONTINUE ON THURSDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... NOW IS THE TIME TO PREPARE FOR THE POSSIBILITY OF FLOODING RAINFALL. A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS VERY DANGEROUS. MONITOR THE LATEST FORECASTS AND BE PREPARED TO TAKE IMMEDIATE ACTION IF FLASH FLOOD WARNINGS ARE ISSUED. && $$ HIZ005>011-141500- /O.CON.PHFO.FF.A.0013.131114T0400Z-131115T0400Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ OAHU SOUTH SHORE-WAIANAE COAST-OAHU NORTH SHORE-OAHU KOOLAU- OLOMANA-CENTRAL OAHU-WAIANAE MOUNTAINS- 346 PM HST WED NOV 13 2013 ...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH THURSDAY AFTERNOON... THE FLASH FLOOD WATCH CONTINUES FOR * OAHU. * THROUGH THURSDAY AFTERNOON. * THE RECENT DRY...COOL WEATHER WILL COME TO AN END AS A BAND OF DEEP MOISTURE APPROACHES FROM THE SOUTH LATE TONIGHT. THIS WILL BRING A THREAT OF HEAVY SHOWERS TO OAHU...WITH THE HIGHEST CHANCES FOR FLOODING RAINFALL EXPECTED ON THURSDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... NOW IS THE TIME TO PREPARE FOR THE POSSIBILITY OF FLOODING RAINFALL. A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS VERY DANGEROUS. MONITOR THE LATEST FORECASTS AND BE PREPARED TO TAKE IMMEDIATE ACTION IF FLASH FLOOD WARNINGS ARE ISSUED. && $$ WROE
466 WGHW60 PHFO 141322 FFAHFO FLOOD WATCH NATIONAL WEATHER SERVICE HONOLULU HI 322 AM HST THU NOV 14 2013 ...FLASH FLOOD WATCH FOR MAUI OAHU MOLOKAI LANAI AND KAHOOLAWE THROUGH THURSDAY AFTERNOON... .DEEP MOISTURE MOVING OVER THE ISLANDS FROM THE SOUTH UNDER UNSTABLE CONDITIONS WILL PRODUCE A THREAT OF HEAVY SHOWERS AND THUNDERSTORMS TODAY. HIZ023>028-141430- /O.CAN.PHFO.FF.A.0013.000000T0000Z-131115T0400Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ KONA-SOUTH BIG ISLAND-BIG ISLAND NORTH AND EAST-KOHALA- BIG ISLAND INTERIOR-BIG ISLAND SUMMITS- 322 AM HST THU NOV 14 2013 ...FLASH FLOOD WATCH IS CANCELLED... THE FLASH FLOOD WATCH FOR THE BIG ISLAND HAS BEEN CANCELLED. A BAND OF MOISTURE WILL MOVE OFF TO THE NORTHWEST OF THE ISLAND TODAY. $$ HIZ005>022-150230- /O.CON.PHFO.FF.A.0013.000000T0000Z-131115T0400Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ OAHU SOUTH SHORE-WAIANAE COAST-OAHU NORTH SHORE-OAHU KOOLAU- OLOMANA-CENTRAL OAHU-WAIANAE MOUNTAINS-MOLOKAI WINDWARD- MOLOKAI LEEWARD-LANAI MAKAI-LANAI MAUKA-KAHOOLAWE- MAUI WINDWARD WEST-MAUI LEEWARD WEST-MAUI CENTRAL VALLEY- WINDWARD HALEAKALA-LEEWARD HALEAKALA-HALEAKALA SUMMIT- 322 AM HST THU NOV 14 2013 ...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH THIS AFTERNOON... THE FLASH FLOOD WATCH CONTINUES FOR * KAHOOLAWE...LANAI...MAUI...MOLOKAI AND OAHU. * THROUGH THIS AFTERNOON. * A BAND OF DEEP MOISTURE APPROACHING FROM THE SOUTHEAST WILL BRING A THREAT OF HEAVY SHOWERS AND THUNDERSTORMS. PRECAUTIONARY/PREPAREDNESS ACTIONS... NOW IS THE TIME TO PREPARE FOR THE POSSIBILITY OF FLOODING RAINFALL. A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS VERY DANGEROUS. MONITOR THE LATEST FORECASTS AND BE PREPARED TO TAKE IMMEDIATE ACTION IF FLASH FLOOD WARNINGS ARE ISSUED. && $$ DONALDSON
839 WGHW60 PHFO 141932 FFAHFO URGENT - IMMEDIATE BROADCAST REQUESTED FLOOD WATCH NATIONAL WEATHER SERVICE HONOLULU HI 932 AM HST THU NOV 14 2013 ...FLASH FLOOD WATCH FOR MAUI OAHU MOLOKAI LANAI THROUGH EARLY FRIDAY AND FOR KAUAI AND NIIHAU FROM THIS EVENING TO EARLY FRIDAY... .DEEP MOISTURE MOVING OVER THE ISLANDS FROM THE SOUTH UNDER UNSTABLE CONDITIONS WILL PRODUCE A THREAT OF HEAVY SHOWERS AND THUNDERSTORMS THROUGH EARLY FRIDAY MORNING. HIZ001>004-150845- /O.EXB.PHFO.FF.A.0013.131115T0400Z-131115T1600Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ NIIHAU-KAUAI WINDWARD-KAUAI LEEWARD-KAUAI MOUNTAINS- 932 AM HST THU NOV 14 2013 ...FLASH FLOOD WATCH IN EFFECT FROM 6 PM HST THIS EVENING THROUGH LATE TONIGHT... THE NATIONAL WEATHER SERVICE IN HONOLULU HAS EXPANDED THE * FLASH FLOOD WATCH TO INCLUDE KAUAI AND NIIHAU * FROM 6 PM HST THIS EVENING THROUGH 6 AM HST FRIDAY MORNING. * A BAND OF DEEP MOISTURE ACROSS THE STATE WILL BRING A THREAT OF HEAVY SHOWERS AND THUNDERSTORMS. PRECAUTIONARY/PREPAREDNESS ACTIONS... NOW IS THE TIME TO PREPARE FOR THE POSSIBILITY OF FLOODING RAINFALL. A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS VERY DANGEROUS. MONITOR THE LATEST FORECASTS AND BE PREPARED TO TAKE IMMEDIATE ACTION IF FLASH FLOOD WARNINGS ARE ISSUED. && $$ HIZ005>022-150845- /O.EXT.PHFO.FF.A.0013.000000T0000Z-131115T1600Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ OAHU SOUTH SHORE-WAIANAE COAST-OAHU NORTH SHORE-OAHU KOOLAU- OLOMANA-CENTRAL OAHU-WAIANAE MOUNTAINS-MOLOKAI WINDWARD- MOLOKAI LEEWARD-LANAI MAKAI-LANAI MAUKA-KAHOOLAWE- MAUI WINDWARD WEST-MAUI LEEWARD WEST-MAUI CENTRAL VALLEY- WINDWARD HALEAKALA-LEEWARD HALEAKALA-HALEAKALA SUMMIT- 932 AM HST THU NOV 14 2013 ...FLASH FLOOD WATCH NOW IN EFFECT THROUGH LATE TONIGHT... THE FLASH FLOOD WATCH IS NOW IN EFFECT FOR * KAHOOLAWE...LANAI...MAUI...MOLOKAI AND OAHU. * 6 AM HST FRIDAY MORNING. * A BAND OF DEEP MOISTURE ACROSS THE STATE WILL BRING A THREAT OF HEAVY SHOWERS AND THUNDERSTORMS. PRECAUTIONARY/PREPAREDNESS ACTIONS... NOW IS THE TIME TO PREPARE FOR THE POSSIBILITY OF FLOODING RAINFALL. A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS VERY DANGEROUS. MONITOR THE LATEST FORECASTS AND BE PREPARED TO TAKE IMMEDIATE ACTION IF FLASH FLOOD WARNINGS ARE ISSUED. && $$ FOSTER
547 WGHW60 PHFO 150111 FFAHFO URGENT - IMMEDIATE BROADCAST REQUESTED FLOOD WATCH NATIONAL WEATHER SERVICE HONOLULU HI 311 PM HST THU NOV 14 2013 ...FLASH FLOOD WATCH FOR MAUI OAHU MOLOKAI LANAI THROUGH EARLY FRIDAY AND FOR KAUAI AND NIIHAU FROM THIS EVENING TO EARLY FRIDAY... .DEEP MOISTURE MOVING OVER THE ISLANDS FROM THE SOUTH UNDER UNSTABLE CONDITIONS WILL PRODUCE A THREAT OF HEAVY SHOWERS THROUGH EARLY FRIDAY MORNING. HIZ001>004-151415- /O.EXT.PHFO.FF.A.0013.131115T0111Z-131115T1600Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ NIIHAU-KAUAI WINDWARD-KAUAI LEEWARD-KAUAI MOUNTAINS- 311 PM HST THU NOV 14 2013 ...FLASH FLOOD WATCH NOW IN EFFECT THROUGH LATE TONIGHT... THE FLASH FLOOD WATCH IS NOW IN EFFECT FOR * KAUAI AND NIIHAU. * 6 AM HST FRIDAY MORNING. * A BAND OF DEEP MOISTURE ACROSS THE STATE WILL BRING A THREAT OF HEAVY SHOWERS. PRECAUTIONARY/PREPAREDNESS ACTIONS... NOW IS THE TIME TO PREPARE FOR THE POSSIBILITY OF FLOODING RAINFALL. A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS VERY DANGEROUS. MONITOR THE LATEST FORECASTS AND BE PREPARED TO TAKE IMMEDIATE ACTION IF FLASH FLOOD WARNINGS ARE ISSUED. && $$ HIZ005>022-151415- /O.CON.PHFO.FF.A.0013.000000T0000Z-131115T1600Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ OAHU SOUTH SHORE-WAIANAE COAST-OAHU NORTH SHORE-OAHU KOOLAU- OLOMANA-CENTRAL OAHU-WAIANAE MOUNTAINS-MOLOKAI WINDWARD- MOLOKAI LEEWARD-LANAI MAKAI-LANAI MAUKA-KAHOOLAWE- MAUI WINDWARD WEST-MAUI LEEWARD WEST-MAUI CENTRAL VALLEY- WINDWARD HALEAKALA-LEEWARD HALEAKALA-HALEAKALA SUMMIT- 311 PM HST THU NOV 14 2013 ...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH LATE TONIGHT... THE FLASH FLOOD WATCH CONTINUES FOR * KAHOOLAWE...LANAI...MAUI...MOLOKAI AND OAHU. * 6 AM HST FRIDAY MORNING. * A BAND OF DEEP MOISTURE ACROSS THE STATE WILL BRING A THREAT OF HEAVY SHOWERS. PRECAUTIONARY/PREPAREDNESS ACTIONS... NOW IS THE TIME TO PREPARE FOR THE POSSIBILITY OF FLOODING RAINFALL. A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS VERY DANGEROUS. MONITOR THE LATEST FORECASTS AND BE PREPARED TO TAKE IMMEDIATE ACTION IF FLASH FLOOD WARNINGS ARE ISSUED. && $$ FOSTER
538 WGHW60 PHFO 150535 FFAHFO FLOOD WATCH NATIONAL WEATHER SERVICE HONOLULU HI 735 PM HST THU NOV 14 2013 ...FLASH FLOOD WATCH FOR OAHU KAUAI AND NIIHAU THROUGH EARLY FRIDAY MORNING... .DEEP MOISTURE MOVING OVER THE ISLANDS FROM THE SOUTHEAST...AND INSTABILITY FROM A LOW ALOFT WILL PRODUCE A THREAT OF HEAVY SHOWERS THROUGH EARLY FRIDAY MORNING. HIZ012>022-150645- /O.CAN.PHFO.FF.A.0013.000000T0000Z-131115T1600Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ MOLOKAI WINDWARD-MOLOKAI LEEWARD-LANAI MAKAI-LANAI MAUKA- KAHOOLAWE-MAUI WINDWARD WEST-MAUI LEEWARD WEST- MAUI CENTRAL VALLEY-WINDWARD HALEAKALA-LEEWARD HALEAKALA- HALEAKALA SUMMIT- 735 PM HST THU NOV 14 2013 ...FLASH FLOOD WATCH IS CANCELLED... THE FLASH FLOOD WATCH FOR KAHOOLAWE...LANAI...MAUI AND MOLOKAI HAS BEEN CANCELLED. THE BAND OF MOIST...UNSTABLE AIR HAS MOVED OFF TO THE NORTHWEST OF MAUI COUNTY. $$ HIZ001>011-151600- /O.CON.PHFO.FF.A.0013.000000T0000Z-131115T1600Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ NIIHAU-KAUAI WINDWARD-KAUAI LEEWARD-KAUAI MOUNTAINS- OAHU SOUTH SHORE-WAIANAE COAST-OAHU NORTH SHORE-OAHU KOOLAU- OLOMANA-CENTRAL OAHU-WAIANAE MOUNTAINS- 735 PM HST THU NOV 14 2013 ...FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL 6 AM HST FRIDAY... THE FLASH FLOOD WATCH CONTINUES FOR * KAUAI...NIIHAU AND OAHU. * UNTIL 6 AM HST FRIDAY. * A BAND OF DEEP MOISTURE ACROSS OAHU AND KAUAI COUNTY WILL BRING A THREAT OF HEAVY SHOWERS. PRECAUTIONARY/PREPAREDNESS ACTIONS... NOW IS THE TIME TO PREPARE FOR THE POSSIBILITY OF FLOODING RAINFALL. A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS VERY DANGEROUS. MONITOR THE LATEST FORECASTS AND BE PREPARED TO TAKE IMMEDIATE ACTION IF FLASH FLOOD WARNINGS ARE ISSUED. && $$ DONALDSON
383 WGHW60 PHFO 151331 FFAHFO URGENT - IMMEDIATE BROADCAST REQUESTED FLOOD WATCH NATIONAL WEATHER SERVICE HONOLULU HI 331 AM HST FRI NOV 15 2013 ...FLASH FLOOD WATCH FOR OAHU KAUAI AND NIIHAU THROUGH THIS EVENING... .DEEP MOISTURE MOVING OVER THE ISLANDS FROM THE SOUTHEAST...AND INSTABILITY FROM A LOW ALOFT WILL PRODUCE A THREAT OF HEAVY SHOWERS THROUGH THIS EVENING. HIZ001>011-160245- /O.EXT.PHFO.FF.A.0013.000000T0000Z-131116T0400Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ NIIHAU-KAUAI WINDWARD-KAUAI LEEWARD-KAUAI MOUNTAINS- OAHU SOUTH SHORE-WAIANAE COAST-OAHU NORTH SHORE-OAHU KOOLAU- OLOMANA-CENTRAL OAHU-WAIANAE MOUNTAINS- 331 AM HST FRI NOV 15 2013 ...FLASH FLOOD WATCH NOW IN EFFECT THROUGH THIS AFTERNOON... THE FLASH FLOOD WATCH IS NOW IN EFFECT FOR * KAUAI...NIIHAU AND OAHU. * THROUGH THIS AFTERNOON. * A BAND OF DEEP MOISTURE ACROSS OAHU AND KAUAI COUNTY WILL BRING A THREAT OF HEAVY SHOWERS. PRECAUTIONARY/PREPAREDNESS ACTIONS... NOW IS THE TIME TO PREPARE FOR THE POSSIBILITY OF FLOODING RAINFALL. A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS VERY DANGEROUS. MONITOR THE LATEST FORECASTS AND BE PREPARED TO TAKE IMMEDIATE ACTION IF FLASH FLOOD WARNINGS ARE ISSUED. && $$ DONALDSON
975 WGHW60 PHFO 152217 FFAHFO FLOOD WATCH NATIONAL WEATHER SERVICE HONOLULU HI 1217 PM HST FRI NOV 15 2013 ...FLOOD WATCH FOR NIIHAU KAUAI AND OAHU IS CANCELLED... HIZ001>011-152330- /O.CAN.PHFO.FF.A.0013.000000T0000Z-131116T0400Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ NIIHAU-KAUAI WINDWARD-KAUAI LEEWARD-KAUAI MOUNTAINS- OAHU SOUTH SHORE-WAIANAE COAST-OAHU NORTH SHORE-OAHU KOOLAU- OLOMANA-CENTRAL OAHU-WAIANAE MOUNTAINS- 1217 PM HST FRI NOV 15 2013 ...FLASH FLOOD WATCH IS CANCELLED... THE FLASH FLOOD WATCH FOR KAUAI...NIIHAU AND OAHU HAS BEEN CANCELLED. THE DYNAMICS FOR HEAVY RAIN HAS DIMINISHED AND THE THREAT FOR FLASH FLOODING HAS ENDED. $$ FOSTER
What forecasters said that day
The local office's own words before this flash flood watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Honolulu, HI wrote its last area forecast discussion before this flash flood watch went out at Nov 12, 4:00 AM HST, 4 hours 24 minutes earlier.
Area forecast discussion, Nov 12, 4:00 AM HST, 4 hours 24 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE HONOLULU HI 400 AM HST TUE NOV 12 2013 .SYNOPSIS... A COOL NORTHEASTERLY FLOW WILL FOCUS LOW CLOUDS AND SHOWERS MAINLY OVER NORTH AND NORTHEAST FACING SLOPES OF THE SMALLER HAWAIIAN ISLANDS TODAY. WET AND SLIGHTLY UNSTABLE CONDITIONS ARE EXPECTED TO LINGER OVER PARTS OF THE BIG ISLAND. OUR WINDS ARE FORECAST TO WEAKEN ON WEDNESDAY...WITH LOW CLOUDS AND SHOWERS SPREADING SLOWLY WESTWARD FROM THE BIG ISLAND TO THE WESTERN END OF THE ISLAND CHAIN DURING THE SECOND HALF OF THE WORK WEEK. A LARGE NORTH SWELL ARRIVING LATER TONIGHT IS EXPECTED TO PRODUCE SIGNIFICANT SURF ALONG MOST NORTH AND EAST FACING SHORES OF THE ISLAND CHAIN THROUGH MID-WEEK. && .DISCUSSION... A STRONG 1047 MB SURFACE HIGH LOCATED FAR NORTHWEST OF THE MAIN HAWAIIAN ISLANDS IS MOVING SLOWLY TOWARD THE SOUTH. HOWEVER...THE LOCAL PRESSURE GRADIENT SOUTH OF THIS HIGH IS BEING PARTIALLY DISRUPTED BY A STORM LOW LOCATED ABOUT 850 MILES NORTH NORTHEAST OF HONOLULU. AS A RESULT...THE GUSTY NORTHEASTERLY WINDS WE HAVE BEEN EXPERIENCING DURING THE PAST COUPLE OF DAYS HAVE DIMINISHED OVERNIGHT. THE LEADING EDGE OF A FRONTAL BAND IS LOCATED ABOUT 120 MILES NORTH NORTHWEST OF LIHUE. THIS 60 MILE WIDE BAND IS MOVING TOWARD THE SOUTH SOUTHEAST AT LESS THAN 20 MPH. ELSEWHERE...THE REMNANT CLOUD AND SHOWER BAND ASSOCIATED WITH A FORMER SHEAR LINE ARE LOCATED SOUTHEAST OF THE BIG ISLAND. ALOFT...WATER VAPOR IMAGERY SHOWS THE AXIS OF A BROAD UPPER LEVEL TROUGH EXTENDING FROM NEAR 35N 155W THROUGH A POINT ABOUT 340 MILES WEST NORTHWEST OF LIHUE. THIS TROUGH ALOFT IS PROPAGATING SLOWLY EASTWARD. THERE IS ALSO A MID-LEVEL TROUGH OVER THE MAIN HAWAIIAN ISLAND CHAIN. WATER VAPOR IMAGERY INDICATES THERE IS SIGNIFICANT SUBSIDENCE ALOFT OVER ALL OF THE SMALLER HAWAIIAN ISLANDS...WHICH IS CONTRIBUTING TO THE STABLE ATMOSPHERIC CONDITIONS WEST OF THE BIG ISLAND. THE MID- AND UPPER LEVEL TROUGHING HAVE ALLOWED A SMALL LINE OF CLOUDS...HEAVY SHOWERS AND EVEN A THUNDERSTORM TO DEVELOP NEAR KAILUA-KONA ALONG THE LEEWARD BIG ISLAND COAST DURING THE PAST HOUR. NOTE THAT THE MID-LEVEL TROUGH HAS BEEN PRODUCING STRONG SOUTHWESTERLY WINDS ON THE HIGHEST SUMMITS OF THE BIG ISLAND. HOWEVER...THE WINDS ON THE SUMMITS DROPPED BELOW THE WIND ADVISORY CRITERIA EARLIER THIS MORNING...SO THE WIND ADVISORY HAS BEEN CANCELLED. DIMINISHING AMOUNTS OF MOISTURE FROM THE FORMER SHEAR LINE WILL LIKELY REMAIN IN THE VICINITY OF THE BIG ISLAND THROUGH TODAY. THEREFORE...EXPECT CONTINUED SHOWERS ALONG WINDWARD FACING SLOPES OF THE BIG ISLAND TODAY. THE MID- AND UPPER LEVEL TROUGHING WILL MAINTAIN SLIGHT INSTABILITY OVER THE BIG ISLAND...SO LEEWARD SLOPES WILL CONTINUE TO SEE AFTERNOON AND EVENING CLOUDS AND SHOWERS. THE COOL AND DRY NORTHEASTERLY FLOW WILL CONTINUE TO DOMINATE THE WEATHER OVER THE SMALLER ISLANDS...WHERE PRECIPITABLE WATER /PW/ VALUES ARE NEAR ONE INCH...AND SURFACE DEW POINTS RANGE FROM THE MID 50/S TO NEAR 60. THE APPROACHING FRONTAL BAND WILL LIKELY INCREASE LOW CLOUDS AND SHOWERS ONCE IT ARRIVES. THEREFORE...SOME CLOUDS AND LIGHT SHOWERS WILL LIKELY CONTINUE ALONG NORTH AND NORTHEAST FACING SLOPES OF THE SMALLER ISLANDS INTO MID-WEEK. GENERALLY CLEAR CONDITIONS ARE EXPECTED OVER MOST LEEWARD SECTIONS OF THE SMALLER ISLANDS. NOTE THAT THE REMNANTS OF THE FRONT MAY ALSO CAUSE A BRIEF INCREASE IN THE WINDS IN THE VICINITY OF KAUAI AND OAHU FROM LATER THIS MORNING INTO THIS AFTERNOON. THE WINDS ALONG THE EASTERN PERIPHERY OF THE MID-LEVEL TROUGH... WHICH IS EXPECTED TO SLOWLY RETROGRADE...WILL LIKELY INCREASE AGAIN OVER THE BIG ISLAND SUMMITS. IF SO...EXPECT A SIGNIFICANT INCREASE IN WIND SPEEDS ON THE BIG ISLAND SUMMITS BY WEDNESDAY...SO THE CURRENT FORECAST SHOWS WINDS NEAR THE WIND ADVISORY CRITERIA THAT DAY. NOTE...THE SUMMIT WINDS MAY REACH THE HIGH WIND WARNING THRESHOLD...SO MONITOR FUTURE FORECASTS FOR UPDATES ON THE MOUNTAIN TOP WIND SPEEDS. ANOTHER ROUND OF WET WEATHER IS POSSIBLE OVER PARTS OF THE ALOHA STATE FROM LATE WEDNESDAY THROUGH THE END OF THE WORK WEEK AS THE MID-LEVEL TROUGH REMAINS NEAR THE ISLANDS. THE REMNANT MOISTURE ASSOCIATED WITH THE FORMER SHEAR LINE...WHICH IS NOW NEAR THE SOUTHEASTERN BIG ISLAND...IS EXPECTED TO START SLOWLY SHIFTING BACK OVER THE ISLANDS. BASED ON THE LATEST GUIDANCE...IT APPEARS THE HIGHEST CHANCES FOR RAINFALL WILL BE ON THE BIG ISLAND AND MAUI FROM WEDNESDAY NIGHT INTO THURSDAY. THIS RAINFALL MAY THEN SHIFT TO THE CENTRAL ISLANDS...INCLUDING OAHU...BY THURSDAY NIGHT AND FRIDAY. CURRENTLY...THE STRONGEST DYNAMICS WILL BE LOCATED TO THE NORTHEAST OF THE ISLANDS...SO WE DO NOT HAVE ENOUGH CONFIDENCE TO MENTION HEAVY SHOWERS IN THE FORECAST AT THIS TIME. && .AVIATION... LARGE...STRONG SURFACE HIGH REMAINS CENTERED ABOUT 1500 MILES NNW OF THE STATE. A SURFACE LOW CURRENTLY 825 NM N OF HONOLULU WILL MEANDER IN THAT AREA TODAY. RESULTANT NORTHERLY WINDS ARE SENDING SPORADIC BATCHES OF LOW CLOUDS DOWN INTO THE STATE WHICH WILL AFFECT MAINLY KAUAI AND OAHU WITH SOME MVFR CEILINGS ALONG THE NORTH COASTS AND SLOPES. SOME OF THESE CLOUDS ARE ALIGNED WITHIN A WEAK FRONTAL BOUNDARY ASSOCIATED WITH THE LOW. THIS WEAK FRONTAL CLOUD BAND IS CURRENTLY 125 NM NORTH OF KAUAI AND MOVING SOUTH NEAR 20 MILES AN HOUR. THE BIG ISLAND SHOULD SEE A MIXTURE OF HIGH AND LOW CLOUDS DUE TO A JETSTREAM FLOWING OVERHEAD FROM SOUTHWEST TO NORTHEAST THROUGH TODAY. THE JET ALOFT WILL PRODUCE CREATE MORE INSTABILITY OVER THAT ISLAND THROUGH TODAY. && .MARINE... THE SMALL CRAFT ADVISORY /SCA/ HAS BEEN CANCELLED SINCE WINDS AND SEAS HAVE DROPPED BELOW THE SCA CRITERIA OVER ALL HAWAIIAN WATERS. A SCA WILL LIKELY BE ISSUED LATER TODAY FOR ALL HAWAIIAN WATERS DUE TO A LARGE NORTH SWELL THAT WILL BE BUILDING ACROSS THE AREA LATER THIS EVENING. A STORM LOW LOCATED NORTH OF THE ISLANDS HAS BEEN MOVING SLOWLY SOUTHWARD SINCE YESTERDAY. AS A RESULT...THE CAPTURED FETCH ALONG THE WESTERN CIRCULATION AROUND THIS STORM LOW WILL SEND A VERY LARGE NORTH SWELL TOWARD THE ISLANDS. BASED ON THE LATEST OUTPUT FROM THE WAVE WATCH III MODEL...THIS SWELL MAY GENERATE SURF NEAR THE HIGH SURF WARNING CRITERIA ALONG NORTH AND EAST FACING BEACHES OF MOST ISLANDS FROM LATE TONIGHT THROUGH WEDNESDAY. THIS SWELL WILL ALSO LIKELY CAUSE HARBOR SURGES...ALONG WITH THE POSSIBILITY OF LARGE BREAKING WAVES IN CHANNEL ENTRANCES...OF NORTH FACING HARBORS SUCH AS KAHULUI AND HILO. THIS NORTH SWELL WILL SLOWLY DROP FROM THURSDAY INTO THIS WEEKEND. && .HFO WATCHES/WARNINGS/ADVISORIES... NONE. && DISCUSSION/MARINE...HOUSTON AVIATION...FUJII
The office that day
Everything else NWS Honolulu, HI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 11, 3:05 PM HST | Wind Advisory | HFO | Hawaii | 13 hr |
| Nov 12, 7:22 AM HST | High Wind Warning | HFO | Hawaii | 44 hr |
| Nov 12, 7:43 AM HST | High Surf Warning | HFO | Hawaii, Honolulu, Kauai, Kalawao | 56 hr |
| Nov 12, 8:32 AM HST | Small Craft Advisory | HFO | 55 hr | |
| Nov 12, 8:39 AM HST | Winter Storm Watch | HFO | Hawaii | 23 hr |
Nearby
Flash Flood Watches in Hawaii, 2013Every flash flood watch in 2013
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.