Alert archive / Hawaii / Flash Flood Warnings in 2011
Flash Flood Warning 10, NWS Honolulu, HI
NWS Honolulu, HI issued this flash flood warning at Jan 16, 2011, 1:55 PM HST for Kauai County, Hawaii. It was in force for 5 hr. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jan 16, 2011, 1:55 PM HST (23:55 UTC)
- Expired
- Jan 16, 2011, 6:42 PM HST
- In force
- 5 hr
- Issued by
- NWS Honolulu, HI
- Area
- Storm-based polygon
- Flood severity
- None
County Kauai County, HI
The radar
The South Kauai radar (PHKI), 25 km from the middle of the area, began a volume at 23:56 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, 11.9 hours before the alert went out and 34 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
- 720 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 615 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- -10 m²/s²
- 0-3 km storm-relative helicity
- 27 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
138 WGHW50 PHFO 162355 FFWHFO HIC007-170245- /O.NEW.PHFO.FF.W.0010.110116T2355Z-110117T0245Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE HONOLULU HI 155 PM HST SUN JAN 16 2011 THE NATIONAL WEATHER SERVICE IN HONOLULU HAS ISSUED A * FLASH FLOOD WARNING FOR... THE ISLAND OF KAUAI IN KAUAI COUNTY * UNTIL 445 PM HST * AT 146 PM HST...RAIN GAGES IN KOKEE AND WAINIHA REPORTED RAIN FALLING AT A RATE OF 3 TO 4 INCHES PER HOUR. ADDITIONAL HEAVY SHOWERS ARE DEVELOPING OVER WATERS WEST OF KAUAI...AND ARE MOVING EAST AT 15 MPH. * OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO HAENA...WAINIHA...NA PALI STATE PARK...KEKAHA...WAIMEA AND PAKALA. 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 445 PM HST IF FLASH FLOODING PERSISTS. LAT...LON 2224 15979 2229 15940 2185 15948 2185 15984 $$ BIRCHARD
3 follow-up statements
067 WGHW70 PHFO 170154 FFSHFO FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE HONOLULU HI 354 PM HST SUN JAN 16 2011 HIC007-170245- /O.CON.PHFO.FF.W.0010.000000T0000Z-110117T0245Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ KAUAI IN KAUAI COUNTY- 354 PM HST SUN JAN 16 2011 ...A FLASH FLOOD WARNING REMAINS IN EFFECT FOR THE ISLAND OF KAUAI IN KAUAI COUNTY UNTIL 445 PM HST... RADAR SHOWS MODERATE TO HEAVY SHOWERS MOVING OVER KAUAI FROM THE WEST...AFFECTING THE WHOLE ISLAND...WITH THE HEAVIEST RAIN OVER THE NORTH AND WEST SHORES. KAUAI POLICE REPORT THAT THE ROAD IS CLOSED NEAR LIMAHULI VALLEY IN HAENA DUE TO WATER COVERING THE ROADWAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WARNING MEANS FLASH FLOODING IS IMMINENT OR OCCURRING IN STREAMS...ROADS AND LOW LYING AREAS. MOVE TO HIGHER GROUND NOW. DO NOT CROSS FAST FLOWING OR RISING WATER IN YOUR VEHICLE OR ON FOOT. TURN AROUND...DON/T DROWN. && RUNOFF FROM THIS STORM MAY ALSO CAUSE ROCK AND MUDSLIDES IN STEEP TERRAIN. THIS WARNING MAY NEED TO BE EXTENDED BEYOND 445 PM HST IF FLASH FLOODING PERSISTS. LAT...LON 2224 15979 2229 15940 2185 15948 2185 15984 $$ BIRCHARD
435 WGHW50 PHFO 170240 FFWHFO HIC007-170545- /O.EXT.PHFO.FF.W.0010.000000T0000Z-110117T0545Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE HONOLULU HI 440 PM HST SUN JAN 16 2011 THE NATIONAL WEATHER SERVICE IN HONOLULU HAS EXTENDED THE * FLASH FLOOD WARNING FOR... THE ISLAND OF KAUAI IN KAUAI COUNTY * UNTIL 745 PM HST * AT 428 PM HST...RADAR SHOWED MODERATE RAIN OVER MOST OF THE ISLAND OF KAUAI...WITH POCKETS OF HEAVY RAIN MOVING OVER THE ISLAND FROM THE WEST. KAUAI POLICE REPORTS THAT THE ROAD REMAINS CLOSED NEAR LIMAHULI VALLEY IN HAENA...DUE TO WATER COVERING THE ROADWAY. * OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO HAENA...WAINIHA...NA PALI STATE PARK...HANALEI...WAIMEA... POLIHALE...AND KEKAHA. 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 745 PM HST IF FLASH FLOODING PERSISTS. LAT...LON 2224 15979 2229 15940 2185 15948 2185 15984 $$ BIRCHARD
400 WGHW70 PHFO 170442 FFSHFO FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE HONOLULU HI 642 PM HST SUN JAN 16 2011 HIC007-170451- /O.CAN.PHFO.FF.W.0010.000000T0000Z-110117T0545Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ KAUAI IN KAUAI COUNTY- 642 PM HST SUN JAN 16 2011 ...THE FLASH FLOOD WARNING IS CANCELLED FOR THE ISLAND OF KAUAI IN KAUAI COUNTY... WEATHER RADAR SHOWED THAT HEAVY RAINFALL HAS MOVED OFFSHORE. THUS THE FLASH FLOOD WARNING IS CANCELLED. IN ADDITION...KAUAI POLICE REPORTS THAT THE ROAD NEAR LIMAHULI IN HAENA HAS BEEN REOPENED. HOWEVER...A FLASH FLOOD WATCH REMAINS IN EFFECT. LAT...LON 2224 15979 2229 15940 2185 15948 2185 15984 $$ BIRCHARD
The office that day
Everything else NWS Honolulu, HI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 16, 4:57 AM HST | Areal Flood Advisory | HFO | Kauai | 86 min |
| Jan 16, 11:17 AM HST | Flash Flood Watch | HFO | Honolulu, Kauai | 11 hr |
| Jan 16, 12:54 PM HST | Special Marine Warning | HFO | 81 min | |
| Jan 16, 1:34 PM HST | Areal Flood Advisory | HFO | Kauai | 3 hr |
| Jan 16, 1:49 PM HST | Special Marine Warning | HFO | 56 min |
Nearby
Flash Flood Warnings in Hawaii, 2011Every flash flood warning in 2011
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.