Alert archive / Hawaii / Flash Flood Watches in 2016
Flash Flood Watch 4, NWS Honolulu, HI
NWS Honolulu, HI issued this flash flood watch at Jul 21, 2016, 8:47 AM HST for 4 counties in Hawaii. It took effect at Jul 23, 2016, 12:00 AM HST. It was in force for 59 hr.
The area
The counties it named.
The facts
- Issued
- Jul 21, 2016, 8:47 AM HST (18:47 UTC)
- In effect from
- Jul 23, 2016, 12:00 AM HST
- Expired
- Jul 25, 2016, 11:29 AM HST
- In force
- 59 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 18:49 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, 6.8 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
- 16 J/kg
- Mixed-layer CIN
- -6 J/kg
- Mixed-layer LCL
- 802 m above ground
- 0-6 km bulk shear
- 5 kt
- 0-1 km storm-relative helicity
- -38 m²/s²
- 0-3 km storm-relative helicity
- 11 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
663 WGHW60 PHFO 211847 FFAHFO URGENT - IMMEDIATE BROADCAST REQUESTED FLOOD WATCH NATIONAL WEATHER SERVICE HONOLULU HI 847 AM HST THU JUL 21 2016 ...APPROACHING DARBY COULD BRING EXCESSIVE RAINFALL WITH POTENTIAL FOR SIGNIFICANT FLASH FLOODING... HIZ017>028-220315- /O.NEW.PHFO.FF.A.0004.160723T1000Z-160725T0400Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ 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- 847 AM HST THU JUL 21 2016 ...FLASH FLOOD WATCH IN EFFECT FROM LATE FRIDAY NIGHT THROUGH SUNDAY AFTERNOON... THE NATIONAL WEATHER SERVICE IN HONOLULU HAS ISSUED A * FLASH FLOOD WATCH FOR MAUI AND THE BIG ISLAND. * FROM LATE FRIDAY NIGHT THROUGH SUNDAY AFTERNOON * TROPICAL STORM DARBY IS EXPECTED TO CONTINUE TO APPROACH THE STATE. DEPENDING ON THE EXACT TRACK...THERE IS THE POSSIBILITY OF INTENSE RAINFALL AND FLASH FLOODING THIS WEEKEND. THE GREATEST RISK OF FLASH FLOODING WILL BE TO EAST AND SOUTHEAST FACING SLOPES. * IN ADDITION TO FLOOD PRONE AREAS...HEAVY RAIN EVENTS OF THIS SIZE MAY CAUSE FLOODING IN AREAS OUTSIDE THE DESIGNATED FLOOD ZONES. LOW SPOTS IN ROADS CAN BECOME DANGEROUS AND IMPASSABLE DUE TO SEVERE RUNOFF. HIGH AMOUNTS OF DEBRIS IN STREAMS AND GULCHES MAY CLOG BRIDGES AND CULVERTS RESULTING IN DANGEROUS FLOODING WHICH COULD OCCUR OUTSIDE THE NORMAL CHANNELS...AND COULD ALSO LEAD TO SIGNIFICANT PROPERTY DAMAGE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS VERY DANGEROUS. YOU SHOULD MONITOR LATER FORECASTS AND GET PREPARED FOR FLASH FLOODING THIS WEEKEND. NEVER DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. TURN AROUND...DON/T DROWN. && $$ R BALLARD/KODAMA
11 follow-up statements
655 WGHW60 PHFO 220250 FFAHFO FLOOD WATCH NATIONAL WEATHER SERVICE HONOLULU HI 450 PM HST THU JUL 21 2016 ...APPROACHING DARBY COULD BRING EXCESSIVE RAINFALL WITH POTENTIAL FOR SIGNIFICANT FLASH FLOODING... HIZ017>028-221500- /O.CON.PHFO.FF.A.0004.160723T1000Z-160725T0400Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ MAUI WINDWARD WEST-MAUI LEEWARD WEST-MAUI CENTRAL VALLEY- WINDWARD HALEAKALA-LEEWARD HALEAKALA-HALEAKALA SUMMIT-KONA- SOUTH BIG ISLAND-BIG ISLAND NORTH AND EAST-KOHALA- BIG ISLAND INTERIOR-BIG ISLAND SUMMITS- 450 PM HST THU JUL 21 2016 ...FLASH FLOOD WATCH REMAINS IN EFFECT FROM LATE FRIDAY NIGHT THROUGH SUNDAY AFTERNOON... THE FLASH FLOOD WATCH CONTINUES FOR * MAUI AND THE BIG ISLAND. * FROM LATE FRIDAY NIGHT THROUGH SUNDAY AFTERNOON * TROPICAL STORM DARBY IS EXPECTED TO CONTINUE TO APPROACH THE STATE. DEPENDING ON THE EXACT TRACK...THERE IS THE POSSIBILITY OF INTENSE RAINFALL AND FLASH FLOODING THIS WEEKEND. THE GREATEST RISK OF FLASH FLOODING WILL BE TO EAST AND SOUTHEAST FACING SLOPES. * IN ADDITION TO FLOOD PRONE AREAS...HEAVY RAIN EVENTS OF THIS SIZE MAY CAUSE FLOODING IN AREAS OUTSIDE THE DESIGNATED FLOOD ZONES. LOW SPOTS IN ROADS CAN BECOME DANGEROUS AND IMPASSABLE DUE TO SEVERE RUNOFF. HIGH AMOUNTS OF DEBRIS IN STREAMS AND GULCHES MAY CLOG BRIDGES AND CULVERTS RESULTING IN DANGEROUS FLOODING WHICH COULD OCCUR OUTSIDE THE NORMAL CHANNELS...AND COULD ALSO LEAD TO SIGNIFICANT PROPERTY DAMAGE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS VERY DANGEROUS. YOU SHOULD MONITOR LATER FORECASTS AND GET PREPARED FOR FLASH FLOODING THIS WEEKEND. NEVER DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. TURN AROUND...DON/T DROWN. && $$ R BALLARD/KODAMA
987 WGHW60 PHFO 221317 FFAHFO FLOOD WATCH NATIONAL WEATHER SERVICE HONOLULU HI 317 AM HST FRI JUL 22 2016 ...TROPICAL STORM DARBY COULD BRING EXCESSIVE RAINFALL WITH POTENTIAL FOR SIGNIFICANT FLASH FLOODING AS IT APPROACHES THE ISLANDS... HIZ017>028-230230- /O.CON.PHFO.FF.A.0004.160723T1000Z-160725T0400Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ 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- 317 AM HST FRI JUL 22 2016 ...FLASH FLOOD WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH SUNDAY AFTERNOON... THE FLASH FLOOD WATCH CONTINUES FOR * MAUI AND THE BIG ISLAND. * FROM LATE TONIGHT THROUGH SUNDAY AFTERNOON * TROPICAL STORM DARBY IS EXPECTED TO CONTINUE TO APPROACH THE STATE. DEPENDING ON THE EXACT TRACK...THERE IS THE POSSIBILITY OF THUNDER STORMS...INTENSE RAINFALL AND FLASH FLOODING THIS WEEKEND. THE GREATEST RISK OF FLASH FLOODING WILL BE TO EAST AND SOUTHEAST FACING SLOPES. * IN ADDITION TO FLOOD PRONE AREAS...HEAVY RAIN EVENTS OF THIS SIZE MAY CAUSE FLOODING IN AREAS OUTSIDE THE DESIGNATED FLOOD ZONES. LOW SPOTS IN ROADS CAN BECOME DANGEROUS AND IMPASSABLE DUE TO SEVERE RUNOFF. HIGH AMOUNTS OF DEBRIS IN STREAMS AND GULCHES MAY CLOG BRIDGES AND CULVERTS RESULTING IN DANGEROUS FLOODING WHICH COULD OCCUR OUTSIDE THE NORMAL CHANNELS...AND COULD ALSO LEAD TO SIGNIFICANT PROPERTY DAMAGE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS VERY DANGEROUS. YOU SHOULD MONITOR LATER FORECASTS AND GET PREPARED FOR FLASH FLOODING THIS WEEKEND. NEVER DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. TURN AROUND...DON/T DROWN. && $$ HOUSTON
543 WGHW60 PHFO 221909 FFAHFO URGENT - IMMEDIATE BROADCAST REQUESTED FLOOD WATCH NATIONAL WEATHER SERVICE HONOLULU HI 909 AM HST FRI JUL 22 2016 ...FLASH FLOOD WATCH FROM LATE TONIGHT THROUGH SUNDAY AFTERNOON FOR THE BIG ISLAND MAUI MOLOKAI LANAI AND KAHOOLAWE... .TROPICAL STORM DARBY COULD BRING EXCESSIVE RAINFALL STARTING LATER TONIGHT...WITH POTENTIAL FOR SIGNIFICANT FLASH FLOODING AS IT DRAWS CLOSER TO THE ISLANDS. HIZ012>016-230400- /O.EXA.PHFO.FF.A.0004.160723T1000Z-160725T0400Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ MOLOKAI WINDWARD-MOLOKAI LEEWARD-LANAI MAKAI-LANAI MAUKA- KAHOOLAWE- 909 AM HST FRI JUL 22 2016 ...FLASH FLOOD WATCH IN EFFECT FROM LATE TONIGHT THROUGH SUNDAY AFTERNOON... THE NATIONAL WEATHER SERVICE IN HONOLULU HAS EXPANDED THE * FLASH FLOOD WATCH TO INCLUDE KAHOOLAWE...LANAI AND MOLOKAI. * FROM LATE TONIGHT THROUGH SUNDAY AFTERNOON * TROPICAL STORM DARBY IS EXPECTED TO CONTINUE TO PASS VERY CLOSE TO KAHOOLAWE...LANAI AND MOLOKAI THIS WEEKEND. DEPENDING ON THE EXACT TRACK...THERE IS THE POSSIBILITY OF THUNDERSTORMS...INTENSE RAINFALL AND FLASH FLOODING. * IN ADDITION TO FLOOD PRONE AREAS...HEAVY RAIN EVENTS OF THIS SIZE MAY CAUSE FLOODING IN AREAS OUTSIDE DESIGNATED FLOOD ZONES. STORM TOTAL RAINFALL AMOUNTS ARE FORECAST TO BE BETWEEN 10 AND 15 INCHES. LOW SPOTS IN ROADS CAN BECOME DANGEROUS AND IMPASSABLE DUE TO SEVERE RUNOFF. HIGH AMOUNTS OF DEBRIS IN STREAMS AND GULCHES MAY CLOG BRIDGES AND CULVERTS RESULTING IN DANGEROUS FLOODING WHICH COULD OCCUR OUTSIDE THE NORMAL CHANNELS...AND COULD ALSO LEAD TO SIGNIFICANT PROPERTY DAMAGE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS VERY DANGEROUS. YOU SHOULD MONITOR LATER FORECASTS AND GET PREPARED FOR FLASH FLOODING THIS WEEKEND. NEVER DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. TURN AROUND...DON/T DROWN. && $$ HIZ017>028-230400- /O.CON.PHFO.FF.A.0004.160723T1000Z-160725T0400Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ 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- 909 AM HST FRI JUL 22 2016 ...FLASH FLOOD WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH SUNDAY AFTERNOON... THE FLASH FLOOD WATCH CONTINUES FOR * MAUI AND THE BIG ISLAND. * FROM LATE TONIGHT THROUGH SUNDAY AFTERNOON * TROPICAL STORM DARBY IS EXPECTED TO CONTINUE TO PASS VERY CLOSE TO THE BIG ISLAND AND MAUI THIS WEEKEND. DEPENDING ON THE EXACT TRACK...THERE IS THE POSSIBILITY OF THUNDERSTORMS...INTENSE RAINFALL AND FLASH FLOODING. * IN ADDITION TO FLOOD PRONE AREAS...HEAVY RAIN EVENTS OF THIS SIZE MAY CAUSE FLOODING IN AREAS OUTSIDE DESIGNATED FLOOD ZONES. STORM TOTAL RAINFALL AMOUNTS ARE FORECAST TO BE BETWEEN 10 AND 15 INCHES. LOW SPOTS IN ROADS CAN BECOME DANGEROUS AND IMPASSABLE DUE TO SEVERE RUNOFF. HIGH AMOUNTS OF DEBRIS IN STREAMS AND GULCHES MAY CLOG BRIDGES AND CULVERTS RESULTING IN DANGEROUS FLOODING WHICH COULD OCCUR OUTSIDE THE NORMAL CHANNELS...AND COULD ALSO LEAD TO SIGNIFICANT PROPERTY DAMAGE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS VERY DANGEROUS. YOU SHOULD MONITOR LATER FORECASTS AND GET PREPARED FOR FLASH FLOODING THIS WEEKEND. NEVER DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. TURN AROUND...DON/T DROWN. && $$ BIRCHARD
946 WGHW60 PHFO 230311 FFAHFO URGENT - IMMEDIATE BROADCAST REQUESTED FLOOD WATCH NATIONAL WEATHER SERVICE HONOLULU HI 511 PM HST FRI JUL 22 2016 ...FLASH FLOOD WATCH FROM LATE TONIGHT THROUGH SUNDAY AFTERNOON FOR THE BIG ISLAND MAUI MOLOKAI LANAI AND KAHOOLAWE... ...FLASH FLOOD WATCH FROM SATURDAY NIGHT THROUGH SUNDAY AFTERNOON FOR OAHU... .TROPICAL STORM DARBY IS EXPECTED TO BRING WIDESPREAD RAIN... WITH LOCALLY HEAVY RAINFALL INCREASING THE POTENTIAL FOR FLASH FLOODING. RAIN IS EXPECTED TO BEGIN ON THE BIG ISLAND LATE TONIGHT...WITH HEAVY RAIN SPREADING TO MAUI COUNTY AND OAHU SATURDAY AND SATURDAY NIGHT. HIZ005>011-231615- /O.EXB.PHFO.FF.A.0004.160724T0400Z-160725T0400Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ OAHU SOUTH SHORE-WAIANAE COAST-OAHU NORTH SHORE-OAHU KOOLAU- OLOMANA-CENTRAL OAHU-WAIANAE MOUNTAINS- 511 PM HST FRI JUL 22 2016 ...FLASH FLOOD WATCH IN EFFECT FROM SATURDAY EVENING THROUGH SUNDAY AFTERNOON... THE NATIONAL WEATHER SERVICE IN HONOLULU HAS EXPANDED THE * FLASH FLOOD WATCH TO INCLUDE OAHU. * FROM SATURDAY EVENING THROUGH SUNDAY AFTERNOON * TROPICAL STORM DARBY IS EXPECTED TO PASS CLOSE TO OAHU SATURDAY NIGHT AND SUNDAY...INCREASING THE POTENTIAL FOR HEAVY RAIN THAT COULD LEAD TO FLASH FLOODING. * IN ADDITION TO FLOOD PRONE AREAS...HEAVY RAIN EVENTS OF THIS SIZE MAY CAUSE FLOODING IN AREAS OUTSIDE DESIGNATED FLOOD ZONES. ON THE FORECAST TRACK...STORM TOTAL RAINFALL AMOUNTS COULD BE BETWEEN 6 AND 10 INCHES. LOW SPOTS IN ROADS CAN BECOME DANGEROUS AND IMPASSABLE DUE TO SEVERE RUNOFF. HIGH AMOUNTS OF DEBRIS IN STREAMS AND GULCHES MAY CLOG BRIDGES AND CULVERTS RESULTING IN DANGEROUS FLOODING WHICH COULD OCCUR OUTSIDE THE NORMAL CHANNELS...AND COULD ALSO LEAD TO SIGNIFICANT PROPERTY DAMAGE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS VERY DANGEROUS. YOU SHOULD MONITOR LATER FORECASTS AND GET PREPARED FOR FLASH FLOODING THIS WEEKEND. NEVER DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. TURN AROUND...DON/T DROWN. && $$ HIZ012>028-231615- /O.CON.PHFO.FF.A.0004.160723T1000Z-160725T0400Z/ /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- 511 PM HST FRI JUL 22 2016 ...FLASH FLOOD WATCH REMAINS IN EFFECT FROM MIDNIGHT HST TONIGHT THROUGH SUNDAY AFTERNOON... THE FLASH FLOOD WATCH CONTINUES FOR * KAHOOLAWE...LANAI...MAUI...MOLOKAI AND THE BIG ISLAND. * FROM MIDNIGHT HST TONIGHT THROUGH SUNDAY AFTERNOON * THE CENTER OF TROPICAL STORM DARBY IS NOW FORECAST TO MOVE OVER...OR VERY CLOSE TO...THE BIG ISLAND ON SATURDAY...AND THE ISLANDS OF MAUI COUNTY SATURDAY NIGHT. HOWEVER...HEAVY RAIN EXTENDS WELL AWAY FROM THE CENTER AND EXCESSIVE RAINFALL IS EXPECTED TO BEGIN LATER TONIGHT ON THE BIG ISLAND AND IN MAUI COUNTY ON SATURDAY. * IN ADDITION TO FLOOD PRONE AREAS...HEAVY RAIN EVENTS OF THIS SIZE MAY CAUSE FLOODING IN AREAS OUTSIDE DESIGNATED FLOOD ZONES. STORM TOTAL RAINFALL AMOUNTS ARE FORECAST TO BE BETWEEN 10 AND 15 INCHES. LOW SPOTS IN ROADS CAN BECOME DANGEROUS AND IMPASSABLE DUE TO SEVERE RUNOFF. HIGH AMOUNTS OF DEBRIS IN STREAMS AND GULCHES MAY CLOG BRIDGES AND CULVERTS RESULTING IN DANGEROUS FLOODING WHICH COULD OCCUR OUTSIDE THE NORMAL CHANNELS...AND COULD ALSO LEAD TO SIGNIFICANT PROPERTY DAMAGE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS VERY DANGEROUS. YOU SHOULD MONITOR LATER FORECASTS AND GET PREPARED FOR FLASH FLOODING THIS WEEKEND. NEVER DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. TURN AROUND...DON/T DROWN. && $$ BIRCHARD
174 WGHW60 PHFO 231344 FFAHFO FLOOD WATCH NATIONAL WEATHER SERVICE HONOLULU HI 344 AM HST SAT JUL 23 2016 ...FLASH FLOOD WATCH THROUGH SUNDAY AFTERNOON FOR THE BIG ISLAND MAUI MOLOKAI LANAI AND KAHOOLAWE... ...FLASH FLOOD WATCH FROM THIS EVENING THROUGH SUNDAY AFTERNOON FOR OAHU... .TROPICAL STORM DARBY IS EXPECTED TO BRING WIDESPREAD RAIN TO THE STATE TODAY THROUGH SUNDAY...WITH LOCALLY HEAVY RAINFALL INCREASING THE POTENTIAL FOR FLASH FLOODING. HEAVY RAIN WILL SPREAD ACROSS THE BIG ISLAND TODAY...WITH HEAVY RAIN SPREADING TO MAUI COUNTY THIS AFTERNOON...AND TO OAHU TONIGHT INTO SUNDAY. HIZ012>028-240400- /O.CON.PHFO.FF.A.0004.000000T0000Z-160725T0400Z/ /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- 344 AM HST SAT JUL 23 2016 ...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH SUNDAY AFTERNOON... THE FLASH FLOOD WATCH CONTINUES FOR * KAHOOLAWE...LANAI...MAUI...MOLOKAI AND THE BIG ISLAND. * THROUGH SUNDAY AFTERNOON * THE CENTER OF TROPICAL STORM DARBY IS FORECAST TO MOVE OVER...OR VERY CLOSE TO...THE BIG ISLAND TODAY...AND THE ISLANDS OF MAUI COUNTY LATE TONIGHT INTO SUNDAY MORNING. EXCESSIVE RAINFALL IS EXPECTED TO BECOME WIDESPREAD ON THE BIG ISLAND TODAY...AND OVER MAUI COUNTY THIS AFTERNOON INTO TONIGHT. * IN ADDITION TO FLOOD PRONE AREAS...HEAVY RAIN EVENTS OF THIS SIZE MAY CAUSE FLOODING IN AREAS OUTSIDE DESIGNATED FLOOD ZONES. STORM TOTAL RAINFALL AMOUNTS ARE FORECAST TO BE BETWEEN 10 AND 15 INCHES...WITH LOCALLY HIGHER AMOUNTS POSSIBLE. LOW SPOTS IN ROADS CAN BECOME DANGEROUS AND IMPASSABLE DUE TO SEVERE RUNOFF. HIGH AMOUNTS OF DEBRIS IN STREAMS AND GULCHES MAY CLOG BRIDGES AND CULVERTS RESULTING IN DANGEROUS FLOODING WHICH COULD OCCUR OUTSIDE THE NORMAL CHANNELS...AND COULD ALSO LEAD TO SIGNIFICANT PROPERTY DAMAGE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS VERY DANGEROUS. YOU SHOULD MONITOR LATER FORECASTS AND GET PREPARED FOR FLASH FLOODING THIS WEEKEND. NEVER DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. TURN AROUND...DON/T DROWN. && $$ HIZ005>011-240400- /O.CON.PHFO.FF.A.0004.160724T0400Z-160725T0400Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ OAHU SOUTH SHORE-WAIANAE COAST-OAHU NORTH SHORE-OAHU KOOLAU- OLOMANA-CENTRAL OAHU-WAIANAE MOUNTAINS- 344 AM HST SAT JUL 23 2016 ...FLASH FLOOD WATCH REMAINS IN EFFECT FROM THIS EVENING THROUGH SUNDAY AFTERNOON... THE FLASH FLOOD WATCH CONTINUES FOR * OAHU. * FROM THIS EVENING THROUGH SUNDAY AFTERNOON * TROPICAL STORM DARBY IS EXPECTED TO PASS CLOSE TO OAHU ON SUNDAY. LOCALLY HEAVY RAINS MAY DEVELOP ACROSS OAHU TONIGHT AHEAD OF THE APPROACHING SYSTEM....WITH INCREASING POTENTIAL FOR HEAVY RAIN THAT COULD LEAD TO FLASH FLOODING LATE TONIGHT AND SUNDAY. * IN ADDITION TO FLOOD PRONE AREAS...HEAVY RAIN EVENTS OF THIS SIZE MAY CAUSE FLOODING IN AREAS OUTSIDE DESIGNATED FLOOD ZONES. ON THE FORECAST TRACK...STORM TOTAL RAINFALL AMOUNTS COULD BE BETWEEN 5 AND 10 INCHES...WITH LOCALLY HIGHER AMOUNTS POSSIBLE. LOW SPOTS IN ROADS CAN BECOME DANGEROUS AND IMPASSABLE DUE TO SEVERE RUNOFF. HIGH AMOUNTS OF DEBRIS IN STREAMS AND GULCHES MAY CLOG BRIDGES AND CULVERTS RESULTING IN DANGEROUS FLOODING WHICH COULD OCCUR OUTSIDE THE NORMAL CHANNELS...AND COULD ALSO LEAD TO SIGNIFICANT PROPERTY DAMAGE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS VERY DANGEROUS. YOU SHOULD MONITOR LATER FORECASTS AND GET PREPARED FOR FLASH FLOODING THIS WEEKEND. NEVER DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. TURN AROUND...DON/T DROWN. && $$ JACOBSON
949 WGHW60 PHFO 231454 FFAHFO URGENT - IMMEDIATE BROADCAST REQUESTED FLOOD WATCH NATIONAL WEATHER SERVICE HONOLULU HI 454 AM HST SAT JUL 23 2016 ...FLASH FLOOD WATCH THROUGH SUNDAY AFTERNOON FOR THE BIG ISLAND MAUI MOLOKAI LANAI AND KAHOOLAWE... ...FLASH FLOOD WATCH FROM THIS EVENING THROUGH SUNDAY NIGHT FOR OAHU... .TROPICAL STORM DARBY IS EXPECTED TO BRING WIDESPREAD RAIN TO THE STATE TODAY THROUGH SUNDAY NIGHT...WITH LOCALLY HEAVY RAINFALL INCREASING THE POTENTIAL FOR FLASH FLOODING. HEAVY RAIN WILL SPREAD ACROSS THE BIG ISLAND TODAY...WITH HEAVY RAIN SPREADING TO MAUI COUNTY THIS AFTERNOON...AND TO OAHU TONIGHT AND SUNDAY. HIZ005>011-240400- /O.EXT.PHFO.FF.A.0004.160724T0400Z-160725T1600Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ OAHU SOUTH SHORE-WAIANAE COAST-OAHU NORTH SHORE-OAHU KOOLAU- OLOMANA-CENTRAL OAHU-WAIANAE MOUNTAINS- 454 AM HST SAT JUL 23 2016 ...FLASH FLOOD WATCH NOW IN EFFECT FROM THIS EVENING THROUGH LATE SUNDAY NIGHT... THE FLASH FLOOD WATCH IS NOW IN EFFECT FOR * OAHU. * FROM THIS EVENING THROUGH LATE SUNDAY NIGHT * TROPICAL STORM DARBY IS EXPECTED TO PASS CLOSE TO OAHU ON SUNDAY. LOCALLY HEAVY RAINS MAY DEVELOP ACROSS OAHU TONIGHT AHEAD OF THE APPROACHING SYSTEM....WITH INCREASING POTENTIAL FOR HEAVY RAIN THAT COULD LEAD TO FLASH FLOODING LATE TONIGHT AND SUNDAY...CONTINUING INTO SUNDAY NIGHT. * IN ADDITION TO FLOOD PRONE AREAS...HEAVY RAIN EVENTS OF THIS SIZE MAY CAUSE FLOODING IN AREAS OUTSIDE DESIGNATED FLOOD ZONES. ON THE FORECAST TRACK...STORM TOTAL RAINFALL AMOUNTS COULD BE BETWEEN 5 AND 10 INCHES...WITH LOCALLY HIGHER AMOUNTS POSSIBLE. LOW SPOTS IN ROADS CAN BECOME DANGEROUS AND IMPASSABLE DUE TO SEVERE RUNOFF. HIGH AMOUNTS OF DEBRIS IN STREAMS AND GULCHES MAY CLOG BRIDGES AND CULVERTS RESULTING IN DANGEROUS FLOODING WHICH COULD OCCUR OUTSIDE THE NORMAL CHANNELS...AND COULD ALSO LEAD TO SIGNIFICANT PROPERTY DAMAGE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS VERY DANGEROUS. YOU SHOULD MONITOR LATER FORECASTS AND GET PREPARED FOR FLASH FLOODING THIS WEEKEND. NEVER DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. TURN AROUND...DON/T DROWN. && $$ HIZ012>028-240400- /O.CON.PHFO.FF.A.0004.000000T0000Z-160725T0400Z/ /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- 454 AM HST SAT JUL 23 2016 ...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH SUNDAY AFTERNOON... THE FLASH FLOOD WATCH CONTINUES FOR * KAHOOLAWE...LANAI...MAUI...MOLOKAI AND THE BIG ISLAND. * THROUGH SUNDAY AFTERNOON * THE CENTER OF TROPICAL STORM DARBY IS FORECAST TO MOVE OVER... OR VERY CLOSE TO...THE BIG ISLAND TODAY...AND THE ISLANDS OF MAUI COUNTY LATE TONIGHT INTO SUNDAY MORNING. EXCESSIVE RAINFALL IS EXPECTED TO BECOME WIDESPREAD ON THE BIG ISLAND TODAY...AND OVER MAUI COUNTY THIS AFTERNOON INTO TONIGHT. * IN ADDITION TO FLOOD PRONE AREAS...HEAVY RAIN EVENTS OF THIS SIZE MAY CAUSE FLOODING IN AREAS OUTSIDE DESIGNATED FLOOD ZONES. STORM TOTAL RAINFALL AMOUNTS ARE FORECAST TO BE BETWEEN 10 AND 15 INCHES...WITH LOCALLY HIGHER AMOUNTS POSSIBLE. LOW SPOTS IN ROADS CAN BECOME DANGEROUS AND IMPASSABLE DUE TO SEVERE RUNOFF. HIGH AMOUNTS OF DEBRIS IN STREAMS AND GULCHES MAY CLOG BRIDGES AND CULVERTS RESULTING IN DANGEROUS FLOODING WHICH COULD OCCUR OUTSIDE THE NORMAL CHANNELS...AND COULD ALSO LEAD TO SIGNIFICANT PROPERTY DAMAGE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS VERY DANGEROUS. YOU SHOULD MONITOR LATER FORECASTS AND GET PREPARED FOR FLASH FLOODING THIS WEEKEND. NEVER DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. TURN AROUND...DON/T DROWN. && $$ JACOBSON
916 WGHW60 PHFO 240405 FFAHFO FLOOD WATCH NATIONAL WEATHER SERVICE HONOLULU HI 605 PM HST SAT JUL 23 2016 ...FLASH FLOOD WATCH THROUGH SUNDAY FOR THE BIG ISLAND MAUI MOLOKAI LANAI AND KAHOOLAWE... ...FLASH FLOOD WATCH THROUGH SUNDAY NIGHT FOR OAHU... HIZ012>028-241630- /O.CON.PHFO.FF.A.0004.000000T0000Z-160725T0400Z/ /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- 605 PM HST SAT JUL 23 2016 ...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH SUNDAY AFTERNOON... THE FLASH FLOOD WATCH CONTINUES FOR * KAHOOLAWE...LANAI...MAUI...MOLOKAI AND THE BIG ISLAND * THROUGH SUNDAY AFTERNOON. * PASSING RAINBANDS WILL BRING PERIODS OF SHOWERS. THERE IS A CHANCE FOR INTENSE DOWNPOURS OR THUNDERSTORMS TO DEVELOP TONIGHT...MAINLY NEAR THE BIG ISLAND...SPREADING TO MAUI COUNTY LATE TONIGHT. IF HEAVIER STORMS DEVELOP...THEY COULD CAUSE SIGNIFICANT FLASH FLOODING. STORM TOTAL RAINFALL AMOUNTS OF 8 TO 12 INCHES...WITH ISOLATED AMOUNTS UP TO 15 INCHES IN HIGHER TERRAIN...ARE POSSIBLE. * IN ADDITION TO FLOOD PRONE AREAS...HEAVY RAIN EVENTS OF THIS SIZE MAY CAUSE FLOODING IN AREAS OUTSIDE DESIGNATED FLOOD ZONES. LOW SPOTS IN ROADS CAN BECOME DANGEROUS AND IMPASSABLE DUE TO SEVERE RUNOFF. HIGH AMOUNTS OF DEBRIS IN STREAMS AND GULCHES MAY CLOG BRIDGES AND CULVERTS RESULTING IN DANGEROUS FLOODING WHICH COULD OCCUR OUTSIDE THE NORMAL CHANNELS...AND COULD ALSO LEAD TO SIGNIFICANT PROPERTY DAMAGE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS VERY DANGEROUS. YOU SHOULD MONITOR LATER FORECASTS AND GET PREPARED FOR FLASH FLOODING THIS WEEKEND. NEVER DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. TURN AROUND...DON/T DROWN. && $$ HIZ005>011-241630- /O.CON.PHFO.FF.A.0004.000000T0000Z-160725T1600Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ OAHU SOUTH SHORE-WAIANAE COAST-OAHU NORTH SHORE-OAHU KOOLAU- OLOMANA-CENTRAL OAHU-WAIANAE MOUNTAINS- 605 PM HST SAT JUL 23 2016 ...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH LATE SUNDAY NIGHT... THE FLASH FLOOD WATCH CONTINUES FOR * OAHU * THROUGH LATE SUNDAY NIGHT. * PASSING RAINBANDS WILL BRING PERIODS OF SHOWERS. THERE IS A CHANCE FOR HEAVIER SHOWERS OR THUNDERSTORMS TO DEVELOP ON OAHU SUNDAY. IF STORMS DEVELOP...THEY COULD CAUSE FLASH FLOODING. STORM TOTAL RAINFALL AMOUNTS OF 3 TO 5 INCHES...WITH ISOLATED AMOUNTS UP TO 10 INCHES IN HIGHER TERRAIN...ARE POSSIBLE. SEE THE FLASH FLOOD WATCH FOR MORE DETAILS. * IN ADDITION TO FLOOD PRONE AREAS...HEAVY RAIN EVENTS OF THIS SIZE MAY CAUSE FLOODING IN AREAS OUTSIDE DESIGNATED FLOOD ZONES. LOW SPOTS IN ROADS CAN BECOME DANGEROUS AND IMPASSABLE DUE TO SEVERE RUNOFF. HIGH AMOUNTS OF DEBRIS IN STREAMS AND GULCHES MAY CLOG BRIDGES AND CULVERTS RESULTING IN DANGEROUS FLOODING WHICH COULD OCCUR OUTSIDE THE NORMAL CHANNELS...AND COULD ALSO LEAD TO SIGNIFICANT PROPERTY DAMAGE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS VERY DANGEROUS. YOU SHOULD MONITOR LATER FORECASTS AND GET PREPARED FOR FLASH FLOODING THIS WEEKEND. NEVER DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. TURN AROUND...DON/T DROWN. && $$ R BALLARD
880 WGHW60 PHFO 241332 FFAHFO URGENT - IMMEDIATE BROADCAST REQUESTED FLOOD WATCH NATIONAL WEATHER SERVICE HONOLULU HI 332 AM HST SUN JUL 24 2016 ...FLASH FLOOD WATCH THROUGH TODAY FOR THE BIG ISLAND... ...FLASH FLOOD WATCH THROUGH LATE TONIGHT FOR MAUI MOLOKAI LANAI AND KAHOOLAWE... ...FLASH FLOOD WATCH THROUGH MONDAY MORNING FOR OAHU... ...FLASH FLOOD WATCH THROUGH MONDAY AFTERNOON FOR KAUAI AND NIIHAU... HIZ001>004-250400- /O.EXB.PHFO.FF.A.0004.000000T0000Z-160726T0400Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ NIIHAU-KAUAI WINDWARD-KAUAI LEEWARD-KAUAI MOUNTAINS- 332 AM HST SUN JUL 24 2016 ...FLASH FLOOD WATCH IN EFFECT THROUGH MONDAY AFTERNOON... THE NATIONAL WEATHER SERVICE IN HONOLULU HAS EXPANDED THE * FLASH FLOOD WATCH TO INCLUDE KAUAI AND NIIHAU. * THROUGH MONDAY AFTERNOON * RAIN BANDS AROUND TROPICAL STORM DARBY WILL BRING FREQUENT SHOWERS AND ISOLATED THUNDERSTORMS...WITH PERIODS OF HEAVY RAINFALL AND FLASH FLOODING POSSIBLE FROM TODAY THROUGH MONDAY AFTERNOON. STORM TOTAL RAINFALL AMOUNTS OF 3 TO 5 INCHES...WITH ISOLATED AMOUNTS UP TO 8 INCHES IN HIGHER TERRAIN...ARE POSSIBLE. * IN ADDITION TO FLOOD PRONE AREAS...HEAVY RAIN EVENTS OF THIS SIZE MAY CAUSE FLOODING IN AREAS OUTSIDE DESIGNATED FLOOD ZONES. LOW SPOTS IN ROADS CAN BECOME DANGEROUS AND IMPASSABLE DUE TO SEVERE RUNOFF. HIGH AMOUNTS OF DEBRIS IN STREAMS AND GULCHES MAY CLOG BRIDGES AND CULVERTS RESULTING IN DANGEROUS FLOODING WHICH COULD OCCUR OUTSIDE THE NORMAL CHANNELS...AND COULD ALSO LEAD TO SIGNIFICANT PROPERTY DAMAGE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS VERY DANGEROUS. YOU SHOULD MONITOR LATER FORECASTS AND GET PREPARED FOR FLASH FLOODING THIS WEEKEND. NEVER DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. TURN AROUND...DON/T DROWN. && $$ HIZ012>022-250400- /O.EXT.PHFO.FF.A.0004.000000T0000Z-160725T1600Z/ /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- 332 AM HST SUN JUL 24 2016 ...FLASH FLOOD WATCH NOW IN EFFECT THROUGH LATE TONIGHT... THE FLASH FLOOD WATCH IS NOW IN EFFECT FOR * KAHOOLAWE...LANAI...MAUI AND MOLOKAI. * THROUGH LATE TONIGHT * RAIN BANDS AROUND TROPICAL STORM DARBY WILL BRING FREQUENT SHOWERS AND ISOLATED THUNDERSTORMS...WITH PERIODS OF HEAVY RAINFALL AND FLASH FLOODING POSSIBLE TODAY AND TONIGHT. STORM TOTAL RAINFALL AMOUNTS OF 5 TO 10 INCHES...WITH ISOLATED AMOUNTS UP TO 15 INCHES IN HIGHER TERRAIN...ARE POSSIBLE. * IN ADDITION TO FLOOD PRONE AREAS...HEAVY RAIN EVENTS OF THIS SIZE MAY CAUSE FLOODING IN AREAS OUTSIDE DESIGNATED FLOOD ZONES. LOW SPOTS IN ROADS CAN BECOME DANGEROUS AND IMPASSABLE DUE TO SEVERE RUNOFF. HIGH AMOUNTS OF DEBRIS IN STREAMS AND GULCHES MAY CLOG BRIDGES AND CULVERTS RESULTING IN DANGEROUS FLOODING WHICH COULD OCCUR OUTSIDE THE NORMAL CHANNELS...AND COULD ALSO LEAD TO SIGNIFICANT PROPERTY DAMAGE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS VERY DANGEROUS. YOU SHOULD MONITOR LATER FORECASTS AND GET PREPARED FOR FLASH FLOODING THIS WEEKEND. NEVER DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. TURN AROUND...DON/T DROWN. && $$ HIZ005>011-250400- /O.EXT.PHFO.FF.A.0004.000000T0000Z-160725T2200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ OAHU SOUTH SHORE-WAIANAE COAST-OAHU NORTH SHORE-OAHU KOOLAU- OLOMANA-CENTRAL OAHU-WAIANAE MOUNTAINS- 332 AM HST SUN JUL 24 2016 ...FLASH FLOOD WATCH NOW IN EFFECT THROUGH MONDAY MORNING... THE FLASH FLOOD WATCH IS NOW IN EFFECT FOR * OAHU. * THROUGH MONDAY MORNING * RAIN BANDS AROUND TROPICAL STORM DARBY WILL BRING FREQUENT SHOWERS AND ISOLATED THUNDERSTORMS...WITH PERIODS OF HEAVY RAINFALL AND FLASH FLOODING POSSIBLE FROM TODAY THROUGH MONDAY MORNING. STORM TOTAL RAINFALL AMOUNTS OF 3 TO 5 INCHES...WITH ISOLATED AMOUNTS UP TO 10 INCHES IN HIGHER TERRAIN...ARE POSSIBLE. * IN ADDITION TO FLOOD PRONE AREAS...HEAVY RAIN EVENTS OF THIS SIZE MAY CAUSE FLOODING IN AREAS OUTSIDE DESIGNATED FLOOD ZONES. LOW SPOTS IN ROADS CAN BECOME DANGEROUS AND IMPASSABLE DUE TO SEVERE RUNOFF. HIGH AMOUNTS OF DEBRIS IN STREAMS AND GULCHES MAY CLOG BRIDGES AND CULVERTS RESULTING IN DANGEROUS FLOODING WHICH COULD OCCUR OUTSIDE THE NORMAL CHANNELS...AND COULD ALSO LEAD TO SIGNIFICANT PROPERTY DAMAGE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS VERY DANGEROUS. YOU SHOULD MONITOR LATER FORECASTS AND GET PREPARED FOR FLASH FLOODING THIS WEEKEND. NEVER DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. TURN AROUND...DON/T DROWN. && $$ HIZ023>028-250400- /O.CON.PHFO.FF.A.0004.000000T0000Z-160725T0400Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ KONA-SOUTH BIG ISLAND-BIG ISLAND NORTH AND EAST-KOHALA- BIG ISLAND INTERIOR-BIG ISLAND SUMMITS- 332 AM HST SUN JUL 24 2016 ...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH THIS AFTERNOON... THE FLASH FLOOD WATCH CONTINUES FOR * THE BIG ISLAND. * THROUGH THIS AFTERNOON * RAIN BANDS AROUND TROPICAL STORM DARBY WILL CONTINUE TO BRING FREQUENT SHOWERS AND ISOLATED THUNDERSTORMS ALONG WITH PERIODS OF HEAVY RAINFALL AND FLASH FLOODING THROUGH THIS AFTERNOON. ADDITIONAL RAINFALL AMOUNTS OF 3 TO 5 INCHES...WITH ISOLATED AMOUNTS UP TO 8 INCHES IN HIGHER TERRAIN...ARE POSSIBLE. * IN ADDITION TO FLOOD PRONE AREAS...HEAVY RAIN EVENTS OF THIS SIZE MAY CAUSE FLOODING IN AREAS OUTSIDE DESIGNATED FLOOD ZONES. LOW SPOTS IN ROADS CAN BECOME DANGEROUS AND IMPASSABLE DUE TO SEVERE RUNOFF. HIGH AMOUNTS OF DEBRIS IN STREAMS AND GULCHES MAY CLOG BRIDGES AND CULVERTS RESULTING IN DANGEROUS FLOODING WHICH COULD OCCUR OUTSIDE THE NORMAL CHANNELS...AND COULD ALSO LEAD TO SIGNIFICANT PROPERTY DAMAGE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS VERY DANGEROUS. YOU SHOULD MONITOR LATER FORECASTS AND GET PREPARED FOR FLASH FLOODING THIS WEEKEND. NEVER DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. TURN AROUND...DON/T DROWN. && $$ JACOBSON
447 WGHW60 PHFO 250146 FFAHFO FLOOD WATCH NATIONAL WEATHER SERVICE HONOLULU HI 346 PM HST SUN JUL 24 2016 ...DARBY COULD STILL RESULT IN EXCESSIVE RAINFALL FOR KAUAI OAHU MAUI MOLOKAI LANAI KAHOOLAWE AND NIIHAU... HIZ023>028-250300- /O.CAN.PHFO.FF.A.0004.000000T0000Z-160725T0400Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ KONA-SOUTH BIG ISLAND-BIG ISLAND NORTH AND EAST-KOHALA- BIG ISLAND INTERIOR-BIG ISLAND SUMMITS- 346 PM HST SUN JUL 24 2016 ...FLASH FLOOD WATCH IS CANCELLED FOR THE BIG ISLAND... SOME SPOTS ON THE BIG ISLAND RECEIVED OVER 6 INCHES OF RAIN FROM DARBY...INCLUDING KAPAPALA RANCH...PAHALA...AND KAWAINUI STREAM. ALTHOUGH ADDITIONAL SHOWERS ARE POSSIBLE OVERNIGHT...THESE ARE NOT EXPECTED TO PRODUCE FLASH FLOODING. $$ HIZ012>022-251500- /O.CON.PHFO.FF.A.0004.000000T0000Z-160725T1600Z/ /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- 346 PM HST SUN JUL 24 2016 ...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH TONIGHT... THE FLASH FLOOD WATCH CONTINUES FOR * KAHOOLAWE...LANAI...MAUI AND MOLOKAI * THROUGH TONIGHT. * RAIN BANDS AROUND TROPICAL STORM DARBY WILL BRING FREQUENT SHOWERS...WITH LOCALIZED HEAVY RAINFALL AND FLASH FLOODING POSSIBLE TONIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS VERY DANGEROUS. YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION SHOULD FLASH FLOOD WARNINGS BE ISSUED. && $$ HIZ005>011-251500- /O.CON.PHFO.FF.A.0004.000000T0000Z-160725T2200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ OAHU SOUTH SHORE-WAIANAE COAST-OAHU NORTH SHORE-OAHU KOOLAU- OLOMANA-CENTRAL OAHU-WAIANAE MOUNTAINS- 346 PM HST SUN JUL 24 2016 ...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH MONDAY MORNING... THE FLASH FLOOD WATCH CONTINUES FOR * OAHU * THROUGH MONDAY MORNING. * RAIN BANDS AROUND TROPICAL STORM DARBY WILL BRING FREQUENT SHOWERS AND ISOLATED THUNDERSTORMS...WITH PERIODS OF HEAVY RAINFALL AND FLASH FLOODING POSSIBLE TONIGHT AND MONDAY MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS VERY DANGEROUS. YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION SHOULD FLASH FLOOD WARNINGS BE ISSUED. && $$ HIZ001>004-251500- /O.CON.PHFO.FF.A.0004.000000T0000Z-160726T0400Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ NIIHAU-KAUAI WINDWARD-KAUAI LEEWARD-KAUAI MOUNTAINS- 346 PM HST SUN JUL 24 2016 ...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH MONDAY... THE FLASH FLOOD WATCH CONTINUES FOR * KAUAI AND NIIHAU * THROUGH MONDAY. * RAIN BANDS AROUND TROPICAL STORM DARBY WILL BRING FREQUENT SHOWERS AND ISOLATED THUNDERSTORMS...WITH PERIODS OF HEAVY RAINFALL AND FLASH FLOODING POSSIBLE TONIGHT AND MONDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS VERY DANGEROUS. YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION SHOULD FLASH FLOOD WARNINGS BE ISSUED. && $$ R BALLARD
750 WGHW60 PHFO 251408 FFAHFO URGENT - IMMEDIATE BROADCAST REQUESTED FLOOD WATCH NATIONAL WEATHER SERVICE HONOLULU HI 408 AM HST MON JUL 25 2016 ...FLASH FLOOD WATCH CONTINUE THROUGH NOON TODAY FOR OAHU...KAUAI AND NIIHAU... HIZ012>022-251515- /O.CAN.PHFO.FF.A.0004.000000T0000Z-160725T1600Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ MOLOKAI WINDWARD-MOLOKAI LEEWARD-LANAI MAKAI-LANAI MAUKA- KAHOOLAWE-MAUI WINDWARD WEST-MAUI LEEWARD WEST- MAUI CENTRAL VALLEY-WINDWARD HALEAKALA-LEEWARD HALEAKALA- HALEAKALA SUMMIT- 408 AM HST MON JUL 25 2016 ...FLASH FLOOD WATCH IS CANCELLED... THE HEAVIEST RAINFALL ASSOCIATED WITH TROPICAL STORM DARBY HAS SHIFTED TO THE WEST OF MAUI COUNTY...THEREFORE THE FLASH FLOOD WATCH FOR KAHOOLAWE...LANAI...MAUI AND MOLOKAI HAS BEEN CANCELLED. $$ HIZ001>004-252200- /O.EXT.PHFO.FF.A.0004.000000T0000Z-160725T2200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ NIIHAU-KAUAI WINDWARD-KAUAI LEEWARD-KAUAI MOUNTAINS- 408 AM HST MON JUL 25 2016 ...FLASH FLOOD WATCH NOW IN EFFECT UNTIL NOON HST TODAY... THE FLASH FLOOD WATCH IS NOW IN EFFECT FOR * KAUAI AND NIIHAU. * UNTIL NOON HST TODAY * RAIN BANDS AROUND THE EASTERN PERIPHERY OF TROPICAL STORM DARBY WILL CONTINUE TO BRING NUMEROUS SHOWERS AND ISOLATED THUNDERSTORMS TO KAUAI AND NIIHAU THROUGH NOON TODAY...WITH PERIODS OF HEAVY RAINFALL AND FLASH FLOODING POSSIBLE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS VERY DANGEROUS. YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION SHOULD FLASH FLOOD WARNINGS BE ISSUED. && $$ HIZ005>011-252200- /O.CON.PHFO.FF.A.0004.000000T0000Z-160725T2200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ OAHU SOUTH SHORE-WAIANAE COAST-OAHU NORTH SHORE-OAHU KOOLAU- OLOMANA-CENTRAL OAHU-WAIANAE MOUNTAINS- 408 AM HST MON JUL 25 2016 ...FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL NOON HST TODAY... THE FLASH FLOOD WATCH CONTINUES FOR * OAHU. * UNTIL NOON HST TODAY * RAIN BANDS AROUND THE EASTERN PERIPHERY OF TROPICAL STORM DARBY WILL CONTINUE TO BRING NUMEROUS SHOWERS AND ISOLATED THUNDERSTORMS TO OAHU THROUGH NOON TODAY...WITH PERIODS OF HEAVY RAINFALL AND FLASH FLOODING POSSIBLE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS VERY DANGEROUS. YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION SHOULD FLASH FLOOD WARNINGS BE ISSUED. && $$
133 WGHW60 PHFO 252129 FFAHFO FLOOD WATCH NATIONAL WEATHER SERVICE HONOLULU HI 1129 AM HST MON JUL 25 2016 HIZ001>011-252230- /O.CAN.PHFO.FF.A.0004.000000T0000Z-160725T2200Z/ /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- 1129 AM HST MON JUL 25 2016 ...FLASH FLOOD WATCH IS CANCELLED... THE FLASH FLOOD WATCH FOR KAUAI...NIIHAU AND OAHU HAS BEEN CANCELLED. THE HEAVIEST RAINFALL ASSOCIATED WITH TROPICAL DEPRESSION DARBY HAS SHIFTED WELL NORTH OF THE STATE. ADDITIONAL SHOWERS ARE POSSIBLE THIS AFTERNOON...BUT THE ATMOSPHERE WILL STABILIZE AND WIDESPREAD HEAVY RAIN IS NOT ANTICIPATED. $$ BRAVENDER
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 Jul 21, 4:06 AM HST, 4 hours 41 minutes earlier.
Area forecast discussion, Jul 21, 4:06 AM HST, 4 hours 41 minutes before
Area Forecast Discussion National Weather Service Honolulu HI 406 AM HST THU JUL 21 2016 .SYNOPSIS... High pressure to the north of the islands will maintain trade winds across the state today and Friday. Expect showers to remain focused over windward and mauka areas. Tropical Storm Darby is is currently expected to approach the state from the east this weekend. Impacts from Darby will be highly dependent on its track and intensity. && .DISCUSSION... Little change in the forecast philosophy this morning. High pressure to the north of the islands will maintain trades over the region today and into Friday. Showers will be focused over windward and mauka areas, with some showers reaching leeward areas at times. Some minor tweaks have been made to the forecast for the first 36 hours or so, but the general forecast remains the same. Tropical Storm Darby remains east of the islands this morning, and continues on track towards the islands. The impacts on our local weather from Friday night through the weekend are very dependent on the track and intensity of Darby. Please refer to the latest products issued by the Central Pacific Hurricane Center (CPHC) for details on the forecast of Darby. Based on the current forecast, the east end of the state could experience the effects of Darby as early as Friday night, and continuing into the weekend, in the form of increased rainfall, and stronger winds. The probabilities of tropical storm force winds reaching the Big Island and Maui have increased overnight based on the CPHC forecast track. Have added some locally heavy rainfall wording to the forecast for these areas Friday night through Sunday. If, and how much these impacts would spread to the remaining islands is still heavily dependent on the future forecasts of Darby. && .AVIATION... High pressure north of the state and Tropical Storm Darby to the east, will keep a breezy northeast trade wind flow in place through tonight. Clouds and showers will favor windward and mauka areas, with some brief MVFR cigs/vsbys expected in passing showers. AIRMET Sierra is in effect for portions of Molokai Maui and the Big Island due to mountain obscuration. Conditions should improve later this morning. AIRMET Tango is in effect for low level turbulence south thru west of the mountains on all islands. Conditions are expected to continue through tonight. && .MARINE... A small craft advisory remains posted for the typically windy waters around Maui County and The Big Island with strong high pressure to our north. Expect windy conditions for the next few days. Swells from Darby are beginning to reach the islands and are expected to continue to build through the end of the week, along with locally generated wind waves. Depending on the track and intensity of Darby, winds and seas may increase over the eastern coastal waters this weekend. For more details on Darby, please refer to the latest products issued by the Central Pacific Hurricane Center. Swells from Tropical Storm Darby will cause an increase in surf along east facing shores through the weekend. Advisory level surf is likely over the eastern islands later today or tonight, and expected to gradually spread up the island chain Thursday night and Friday. Depending on the strength and intensity of Darby, surf heights could approach warning levels during the peak of the swell. Otherwise there will be a series of small southerly swells through the rest of the week and on through the weekend. && .HFO WATCHES/WARNINGS/ADVISORIES... Small Craft Advisory until 6 PM HST this evening for Maalaea Bay- Pailolo Channel-Alenuihaha Channel-Big Island Leeward Waters-Big Island Southeast Waters. && M Ballard
The office that day
Everything else NWS Honolulu, HI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 21, 5:15 AM HST | High Surf Advisory | HFO | Honolulu, Kalawao | 4 days |
| Jul 21, 7:49 AM HST | High Surf Warning | HFO | Kalawao | 68 hr |
| Jul 21, 11:00 AM HST | Tropical Storm Watch | HFO | Hawaii, Honolulu, Kauai, Kalawao | 54 hr |
Nearby
Flash Flood Watches in Hawaii, 2016Every flash flood watch in 2016
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.