Alert archive / Hawaii / Flash Flood Warnings in 2012
Flash Flood Warning 3, NWS Honolulu, HI
NWS Honolulu, HI issued this flash flood warning at Feb 26, 2012, 12:46 AM HST for Kauai County, Hawaii. It was in force for 15 hr. 2 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Feb 26, 2012, 12:46 AM HST (10:46 UTC)
- Expired
- Feb 26, 2012, 3:31 PM HST
- In force
- 15 hr
- Issued by
- NWS Honolulu, HI
- Area
- Storm-based polygon
- Flood severity
- None
County Kauai County, HI
The radar
The South Kauai radar (PHKI), 23 km from the middle of the area, began a volume at 10:50 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Feb 26, 5:56 AM HST | FLASH FLOOD | 1 E Hanalei, HI | KUHIO HIGHWAY AT HANALEI BRIDGE CLOSED. |
| Feb 26, 6:23 AM HST | FLASH FLOOD | Koloa, HI | WELIWELI RD...HAPA RD AND ALA KINOKI CLOSED DUE TO FLOODING. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Lihue, (PHLI), launched 00:00Z, 10.8 hours before the alert went out and 29 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
- 1194 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 542 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 23 m²/s²
- 0-3 km storm-relative helicity
- 13 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.6
The text
As transmitted, in the capitals the NWS used until 2016.
314 WGHW50 PHFO 261046 FFWHFO HIC007-261345- /O.NEW.PHFO.FF.W.0003.120226T1046Z-120226T1345Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE HONOLULU HI 1246 AM HST SUN FEB 26 2012 THE NATIONAL WEATHER SERVICE IN HONOLULU HAS ISSUED A * FLASH FLOOD WARNING FOR... THE ISLAND OF KAUAI IN KAUAI COUNTY * UNTIL 345 AM HST * AT 1236 AM HST...RADAR SHOWED HEAVY RAIN ACROSS MANY SECTIONS OF THE ISLAND OF KAUAI...WITH MORE DEVELOPING TO THE SOUTH OF THAT ISLAND. THIS RAIN IS MOVING TO THE NORTH AT 20 MPH. * THIS WARNING INCLUDES THE ENTIRE ISLAND OF KAUAI. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WARNING MEANS FLASH FLOODING IS IMMINENT OR OCCURRING IN STREAMS...ROADS AND LOW LYING AREAS. MOVE TO HIGHER GROUND NOW. DO NOT CROSS FAST FLOWING OR RISING WATER IN YOUR VEHICLE OR ON FOOT. TURN AROUND...DON/T DROWN. && THIS FLASH FLOOD WARNING REPLACES THE FLOOD ADVISORY THAT WAS IN EFFECT FOR THE ISLAND OF KAUAI IN KAUAI COUNTY. RUNOFF FROM THIS STORM MAY ALSO CAUSE ROCK AND MUDSLIDES IN STEEP TERRAIN. THIS WARNING MAY NEED TO BE EXTENDED BEYOND 345 AM HST IF FLASH FLOODING PERSISTS. LAT...LON 2230 15987 2229 15915 2175 15928 2185 15984 $$ POWELL
10 follow-up statements
494 WGHW70 PHFO 261147 FFSHFO FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE HONOLULU HI 147 AM HST SUN FEB 26 2012 HIC007-261345- /O.CON.PHFO.FF.W.0003.000000T0000Z-120226T1345Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ KAUAI HI- 147 AM HST SUN FEB 26 2012 ...A FLASH FLOOD WARNING REMAINS IN EFFECT FOR THE ISLAND OF KAUAI IN KAUAI COUNTY UNTIL 345 AM HST... STREAM GAGES ACROSS KAUAI REMAIN NEAR FLOOD STAGE...WITH RADAR SHOWING MORE HEAVY RAIN MOVING UP FROM THE SOUTH. ADDITIONAL RAINFALL IN ALREADY SATURATED BASINS WILL LIKELY PUSH RIVERS ON KAUAI ABOVE FLOOD STAGE. . PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WARNING MEANS FLASH FLOODING IS IMMINENT OR OCCURRING IN STREAMS...ROADS AND LOW LYING AREAS. MOVE TO HIGHER GROUND NOW. DO NOT CROSS FAST FLOWING OR RISING WATER IN YOUR VEHICLE OR ON FOOT. TURN AROUND...DON/T DROWN. && RUNOFF FROM THIS STORM MAY ALSO CAUSE ROCK AND MUDSLIDES IN STEEP TERRAIN. THIS WARNING MAY NEED TO BE EXTENDED BEYOND 345 AM HST IF FLASH FLOODING PERSISTS. LAT...LON 2230 15987 2229 15915 2175 15928 2185 15984 $$ POWELL
867 WGHW50 PHFO 261329 FFWHFO HIC007-261645- /O.EXT.PHFO.FF.W.0003.000000T0000Z-120226T1645Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE HONOLULU HI 329 AM HST SUN FEB 26 2012 THE NATIONAL WEATHER SERVICE IN HONOLULU HAS EXTENDED THE * FLASH FLOOD WARNING FOR... THE ISLAND OF KAUAI IN KAUAI COUNTY * UNTIL 645 AM HST * AT 320 AM HST...RADAR CONTINUED TO SHOW HEAVY RAIN MOVING NORTHWARD ACROSS MANY AREAS OF THE ISLAND OF KAUAI...AT ABOUT 20 MPH. ADDITIONAL AREAS OF HEAVY RAIN ARE FORMING SOUTH OF THAT ISLAND. GAGE READINGS SHOW THE HANALEI RIVER HAS RISEN TO NEAR FLOOD STAGE. * THIS WARNING INCLUDES THE ENTIRE ISLAND OF KAUAI. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WARNING MEANS FLASH FLOODING IS IMMINENT OR OCCURRING IN STREAMS...ROADS AND LOW LYING AREAS. MOVE TO HIGHER GROUND NOW. DO NOT CROSS FAST FLOWING OR RISING WATER IN YOUR VEHICLE OR ON FOOT. TURN AROUND...DON/T DROWN. && THIS FLASH FLOOD WARNING REPLACES THE PRE-EXISTING WARNING THAT WAS IN EFFECT FOR THE ISLAND OF KAUAI IN KAUAI COUNTY. RUNOFF FROM THIS STORM MAY ALSO CAUSE ROCK AND MUDSLIDES IN STEEP TERRAIN. THIS WARNING MAY NEED TO BE EXTENDED BEYOND 645 AM HST IF FLASH FLOODING PERSISTS. LAT...LON 2230 15987 2229 15915 2175 15928 2185 15984 $$ POWELL
684 WGHW70 PHFO 261506 FFSHFO FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE HONOLULU HI 506 AM HST SUN FEB 26 2012 HIC007-261645- /O.CON.PHFO.FF.W.0003.000000T0000Z-120226T1645Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ KAUAI HI- 506 AM HST SUN FEB 26 2012 ...A FLASH FLOOD WARNING REMAINS IN EFFECT FOR THE ISLAND OF KAUAI IN KAUAI COUNTY UNTIL 645 AM HST... RADAR CONTINUES TO SHOW AREAS OF HEAVY RAIN MOVING NORTHWARD ACROSS KAUAI AT ABOUT 20 MPH...WITH MORE HEAVY RAIN FORMING TO THE SOUTH. GAGES SHOW RIVERS CONTINUING TO RISE ACROSS THE ISLAND...WITH THE HANALEI RIVER GAGE SHOWING 8.1 FEET AT 5 AM HST...WHICH IS ABOVE FLOOD STAGE. THIS FLASH FLOOD WARNING INCLUDES THE ENTIRE ISLAND OF KAUAI. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WARNING MEANS FLASH FLOODING IS IMMINENT OR OCCURRING IN STREAMS...ROADS AND LOW LYING AREAS. MOVE TO HIGHER GROUND NOW. DO NOT CROSS FAST FLOWING OR RISING WATER IN YOUR VEHICLE OR ON FOOT. TURN AROUND...DON/T DROWN. && RUNOFF FROM THIS STORM MAY ALSO CAUSE ROCK AND MUDSLIDES IN STEEP TERRAIN. THIS WARNING MAY NEED TO BE EXTENDED BEYOND 645 AM HST IF FLASH FLOODING PERSISTS. LAT...LON 2230 15987 2229 15915 2175 15928 2185 15984 $$ POWELL
852 WGHW50 PHFO 261640 FFWHFO HIC007-261945- /O.EXT.PHFO.FF.W.0003.000000T0000Z-120226T1945Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE HONOLULU HI 640 AM HST SUN FEB 26 2012 THE NATIONAL WEATHER SERVICE IN HONOLULU HAS EXTENDED THE * FLASH FLOOD WARNING FOR... THE ISLAND OF KAUAI IN KAUAI COUNTY * UNTIL 945 AM HST * AT 630 AM HST...RADAR CONTINUES TO SHOW AREAS OF HEAVY RAIN MOVING NORTHWARD ACROSS KAUAI AT ABOUT 20 MPH...WITH MORE HEAVY RAIN SEEN OVER THE COASTAL WATERS TO THE SOUTH. KAUAI CIVIL DEFENSE REPORTED THAT THE HANALEI BRIDGE IS CLOSED WITH WATER OVER THE ROAD. * THIS WARNING INCLUDES THE ENTIRE ISLAND OF KAUAI. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WARNING MEANS FLASH FLOODING IS IMMINENT OR OCCURRING IN STREAMS...ROADS AND LOW LYING AREAS. MOVE TO HIGHER GROUND NOW. DO NOT CROSS FAST FLOWING OR RISING WATER IN YOUR VEHICLE OR ON FOOT. TURN AROUND...DON/T DROWN. && RUNOFF FROM THIS STORM MAY ALSO CAUSE ROCK AND MUDSLIDES IN STEEP TERRAIN. THIS WARNING MAY NEED TO BE EXTENDED BEYOND 945 AM HST IF FLASH FLOODING PERSISTS. LAT...LON 2230 15987 2229 15915 2175 15928 2185 15984 $$ BURKE
110 WGHW70 PHFO 261823 FFSHFO FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE HONOLULU HI 823 AM HST SUN FEB 26 2012 HIC007-261945- /O.CON.PHFO.FF.W.0003.000000T0000Z-120226T1945Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ KAUAI HI- 823 AM HST SUN FEB 26 2012 ...A FLASH FLOOD WARNING REMAINS IN EFFECT FOR THE ISLAND OF KAUAI IN KAUAI COUNTY UNTIL 945 AM HST... HEAVY RAIN CONTINUES TO MOVE NORTH OVER KAUAI. RAINFALL AMOUNTS OVER A SIX HOUR PERIOD ENDING AT 8 AM HST ARE 5.46 INCHES AT ANAHOLA...3.99 INCHES AT HANAPEPE...3.86 INCHES AT KAPAHI...AND 3.32 INCHES AT LIHUE. ALL OF THE RAIN GAUGES REPORTED SIX HOUR TOTALS GREATER THAN 1 INCH. THE HANALEI BRIDGE REMAINS CLOSED DUE TO WATER OVER THE ROAD. THIS WARNING IS FOR ALL LOCATIONS ON THE ISLAND OF KAUAI. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WARNING MEANS FLASH FLOODING IS IMMINENT OR OCCURRING IN STREAMS...ROADS AND LOW LYING AREAS. MOVE TO HIGHER GROUND NOW. DO NOT CROSS FAST FLOWING OR RISING WATER IN YOUR VEHICLE OR ON FOOT. TURN AROUND...DON/T DROWN. && RUNOFF FROM THIS STORM MAY ALSO CAUSE ROCK AND MUDSLIDES IN STEEP TERRAIN. THIS WARNING MAY NEED TO BE EXTENDED BEYOND 945 AM HST IF FLASH FLOODING PERSISTS. LAT...LON 2230 15987 2229 15915 2175 15928 2185 15984 $$ CRAIG
523 WGHW50 PHFO 261935 FFWHFO HIC007-262245- /O.EXT.PHFO.FF.W.0003.000000T0000Z-120226T2245Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE HONOLULU HI 935 AM HST SUN FEB 26 2012 THE NATIONAL WEATHER SERVICE IN HONOLULU HAS EXTENDED THE * FLASH FLOOD WARNING FOR... THE ISLAND OF KAUAI IN KAUAI COUNTY * UNTIL 1245 PM HST * AT 925 AM HST...RADAR CONTINUES TO SHOW AREAS OF HEAVY RAIN MOVING NORTHWARD ACROSS KAUAI AT ABOUT 20 MPH...WITH MORE HEAVY RAIN SEEN OVER THE COASTAL WATERS TO THE SOUTH. KAUAI CIVIL DEFENSE REPORTED THAT THE HANALEI BRIDGE IS CLOSED WITH WATER OVER THE ROAD. MOST STREAMS ON KAUAI REMAIN HIGH. * THIS WARNING INCLUDES THE ENTIRE ISLAND OF KAUAI. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WARNING MEANS FLASH FLOODING IS IMMINENT OR OCCURRING IN STREAMS...ROADS AND LOW LYING AREAS. MOVE TO HIGHER GROUND NOW. DO NOT CROSS FAST FLOWING OR RISING WATER IN YOUR VEHICLE OR ON FOOT. TURN AROUND...DON/T DROWN. && RUNOFF FROM THIS STORM MAY ALSO CAUSE ROCK AND MUDSLIDES IN STEEP TERRAIN. THIS WARNING MAY NEED TO BE EXTENDED BEYOND 1245 PM HST IF FLASH FLOODING PERSISTS. LAT...LON 2230 15987 2229 15915 2175 15928 2185 15984 $$ BURKE
596 WGHW70 PHFO 262108 FFSHFO FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE HONOLULU HI 1108 AM HST SUN FEB 26 2012 HIC007-262245- /O.CON.PHFO.FF.W.0003.000000T0000Z-120226T2245Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ KAUAI HI- 1108 AM HST SUN FEB 26 2012 ...A FLASH FLOOD WARNING REMAINS IN EFFECT FOR THE ISLAND OF KAUAI IN KAUAI COUNTY UNTIL 1245 PM HST... KAUAI CIVIL DEFENSE REPORTS THAT THE HANALEI ROAD REMAINS CLOSED. THE HEAVIEST RAIN HAS MOVED JUST TO THE EAST OF KAUAI BUT STREAMS REMAIN HIGH. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WARNING MEANS FLASH FLOODING IS IMMINENT OR OCCURRING IN STREAMS...ROADS AND LOW LYING AREAS. MOVE TO HIGHER GROUND NOW. DO NOT CROSS FAST FLOWING OR RISING WATER IN YOUR VEHICLE OR ON FOOT. TURN AROUND...DON/T DROWN. && RUNOFF FROM THIS STORM MAY ALSO CAUSE ROCK AND MUDSLIDES IN STEEP TERRAIN. THIS WARNING MAY NEED TO BE EXTENDED BEYOND 1245 PM HST IF FLASH FLOODING PERSISTS. LAT...LON 2230 15987 2229 15915 2175 15928 2185 15984 $$ BURKE
301 WGHW50 PHFO 262241 FFWHFO HIC007-270145- /O.EXT.PHFO.FF.W.0003.000000T0000Z-120227T0145Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE HONOLULU HI 1241 PM HST SUN FEB 26 2012 THE NATIONAL WEATHER SERVICE IN HONOLULU HAS EXTENDED THE * FLASH FLOOD WARNING FOR... THE ISLAND OF KAUAI IN KAUAI COUNTY * UNTIL 345 PM HST * AT 1230 PM HST...RADAR SHOWED MODERATE TO LOCALLY HEAVY RAIN CONTINUING TO MOVE UP FROM THE SOUTH. KAUAI CIVIL DEFENSE REPORTS THAT ONE LANE HAS BEEN OPENED IN HANALEI. STREAM LEVELS REMAIN ELEVATED AND ANY ADDITIONAL RAIN WILL CAUSE RAPID RISES. * THIS WARNING INCLUDES THE ENTIRE ISLAND OF KAUAI. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WARNING MEANS FLASH FLOODING IS IMMINENT OR OCCURRING IN STREAMS...ROADS AND LOW LYING AREAS. MOVE TO HIGHER GROUND NOW. DO NOT CROSS FAST FLOWING OR RISING WATER IN YOUR VEHICLE OR ON FOOT. TURN AROUND...DON/T DROWN. && RUNOFF FROM THIS STORM MAY ALSO CAUSE ROCK AND MUDSLIDES IN STEEP TERRAIN. THIS WARNING MAY NEED TO BE EXTENDED BEYOND 345 PM HST IF FLASH FLOODING PERSISTS. LAT...LON 2230 15987 2229 15915 2175 15928 2185 15984 $$ BURKE
532 WGHW70 PHFO 270034 FFSHFO FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE HONOLULU HI 234 PM HST SUN FEB 26 2012 HIC007-270145- /O.CON.PHFO.FF.W.0003.000000T0000Z-120227T0145Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ KAUAI HI- 234 PM HST SUN FEB 26 2012 ...A FLASH FLOOD WARNING REMAINS IN EFFECT FOR THE ISLAND OF KAUAI IN KAUAI COUNTY UNTIL 345 PM HST... REPORTS FROM KAUAI INDICATE THAT MANY OF THE CLOSED ROADS ARE NOW OPEN. THE KUHIO HIGHWAY NEAR THE HANALEI BRIDGE NOW HAS TWO OPEN LANES. BECAUSE THERE ARE STILL SOME ROAD CLOSURES...THE WARNING WILL CONTINUE UNTIL 345 PM HST. THIS WARNING IS FOR ALL LOCATIONS ON THE ISLAND OF KAUAI. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WARNING MEANS FLASH FLOODING IS IMMINENT OR OCCURRING IN STREAMS...ROADS AND LOW LYING AREAS. MOVE TO HIGHER GROUND NOW. DO NOT CROSS FAST FLOWING OR RISING WATER IN YOUR VEHICLE OR ON FOOT. TURN AROUND...DON/T DROWN. && THIS WARNING MAY NEED TO BE EXTENDED BEYOND 345 PM HST IF FLASH FLOODING PERSISTS. LAT...LON 2230 15987 2229 15915 2175 15928 2185 15984 $$ CRAIG
496 WGHW70 PHFO 270131 FFSHFO FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE HONOLULU HI 331 PM HST SUN FEB 26 2012 HIC007-270123- /O.CAN.PHFO.FF.W.0003.000000T0000Z-120227T0145Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ KAUAI HI- 331 PM HST SUN FEB 26 2012 ...THE FLASH FLOOD WARNING IS CANCELLED FOR THE ISLAND OF KAUAI... WEATHER RADAR SHOWED THAT HEAVY RAINFALL HAS MOVED OFFSHORE. THUS THE FLASH FLOOD WARNING IS CANCELLED. THE HEAVY RAINS AND FLOODING HAVE SUBSIDED...BUT RUNOFF IS STILL OCCURRING AND STREAMS WILL REMAIN HIGH FOR SEVERAL HOURS. A FLASH FLOOD WATCH FOR THE ISLAND OF KAUAI REMAINS IN EFFECT UNTIL 6 AM HST MONDAY. LAT...LON 2230 15987 2229 15915 2175 15928 2185 15984 $$ BURKE
The office that day
Everything else NWS Honolulu, HI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 25, 5:07 PM HST | Areal Flood Advisory | HFO | Honolulu | 68 min |
| Feb 26, 12:46 AM HST | Areal Flood Advisory | HFO | Kauai | 5 hr |
| Feb 26, 5:33 AM HST | Special Marine Warning | HFO | 109 min |
Nearby
Flash Flood Warnings in Hawaii, 2012Every flash flood warning in 2012
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.