Alert archive / Hawaii / Flash Flood Warnings in 2012
Flash Flood Warning 2, NWS Honolulu, HI
NWS Honolulu, HI issued this flash flood warning at Jan 17, 2012, 3:21 PM HST for Kauai County, Hawaii. It was in force for 74 min. 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 17, 2012, 3:21 PM HST (01:21 UTC)
- Expired
- Jan 17, 2012, 4:35 PM HST
- In force
- 74 min
- Issued by
- NWS Honolulu, HI
- Area
- Storm-based polygon
- Flood severity
- None
County Kauai County, HI
The radar
The South Kauai radar (PHKI), 33 km from the middle of the area, began a volume at 01:25 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 00:00Z, 1.4 hours before the alert went out and 28 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
- 1814 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 466 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 125 m²/s²
- 0-3 km storm-relative helicity
- 254 m²/s²
- Significant tornado parameter
- 1.7
- Supercell composite
- 10.7
The text
As transmitted, in the capitals the NWS used until 2016.
755 WGHW50 PHFO 180121 FFWHFO HIC007-180415- /O.NEW.PHFO.FF.W.0002.120118T0121Z-120118T0415Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE HONOLULU HI 321 PM HST TUE JAN 17 2012 THE NATIONAL WEATHER SERVICE IN HONOLULU HAS ISSUED A * FLASH FLOOD WARNING FOR... THE ISLAND OF KAUAI IN KAUAI COUNTY * UNTIL 615 PM HST * AT 312 PM HST...AREAS OF HEAVY RAIN CONTINUED TO CROSS PORTIONS OF NORTHEASTERN KAUAI MOVING NORTHEAST. THE BRIDGE AT HANALEI RIVER REMAINS CLOSED DUE TO FLOODING. IN ADDITION...CIVIL DEFENSE REPORTS A ROAD CLOSURE IN KEAPANA VALLEY DUE TO FLOODING FROM KEALIA STREAM. * OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO KAPAA...WAILUA...WAINIHA...MOLOAA...KALALAU VALLEY... PRINCEVILLE...KILAUEA...HANALEI AND ANAHOLA. 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. THIS WARNING MAY NEED TO BE EXTENDED BEYOND 615 PM HST IF FLASH FLOODING PERSISTS. LAT...LON 2229 15968 2221 15919 2198 15931 2217 15976 $$ BRENCHLEY
1 follow-up statement
468 WGHW70 PHFO 180235 FFSHFO FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE HONOLULU HI 435 PM HST TUE JAN 17 2012 HIC007-180242- /O.CAN.PHFO.FF.W.0002.000000T0000Z-120118T0415Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ KAUAI HI- 435 PM HST TUE JAN 17 2012 ...THE FLASH FLOOD WARNING IS CANCELLED FOR THE ISLAND OF KAUAI IN KAUAI COUNTY... HEAVY RAINS HAVE MOVED OFFSHORE...AND STREAM AND RIVER GAGES ARE INDICATING WATER LEVELS ARE DROPPING WELL BELOW FLOOD LEVELS. AUTHORITIES HAVE PARTIALLY REOPENED THE HANALEI BRIDGE AND THE ROAD IN KEAPANA VALLEY. THUS THE FLASH FLOOD WARNING IS CANCELLED. LAT...LON 2229 15968 2221 15919 2198 15931 2217 15976 $$ BRENCHLEY
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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.