Alert archive / Hawaii / Flash Flood Warnings in 2006
Flash Flood Warning 109, NWS Honolulu, HI
NWS Honolulu, HI issued this flash flood warning at Mar 27, 2006, 10:29 AM HST for Kalawao County, Hawaii. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Mar 27, 2006, 10:29 AM HST (20:29 UTC)
- Expired
- Mar 27, 2006, 1:30 PM HST
- In force
- 3 hr
- Issued by
- NWS Honolulu, HI
- Area
- Counties, with a storm outline in the text
County Kalawao County, HI
The nearest sounding before it
Hilo, (PITO), launched 12:00Z, 8.5 hours before the alert went out and 261 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
- 141 J/kg
- Mixed-layer CIN
- -19 J/kg
- Mixed-layer LCL
- 760 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 13 m²/s²
- 0-3 km storm-relative helicity
- 130 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this flash flood warning 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 warning went out at Mar 27, 10:00 AM HST, 29 minutes earlier.
Area forecast discussion, Mar 27, 10:00 AM HST, 29 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE HONOLULU HI 1000 AM HST MON MAR 27 2006 .SYNOPSIS... CLOUDY AND WET WEATHER WILL CONTINUE THROUGH THE WEEK...AS A TROUGH OF LOW PRESSURE LINGERS JUST WEST OF THE STATE. && .DISCUSSION... A TROUGH OF LOW PRESSURE BOTH AT THE SURFACE AND ALOFT HAS BEEN RESPONSIBLE FOR OUR CLOUDY AND WET WEATHER PATTERN. THE TROUGH HAS BEEN LINGERING TO THE WEST OF THE STATE WITH PERIODIC VORTICITY IMPULSES ROTATING AROUND THE TROUGH PROVIDING THE HEAVIER SHOWERS AND THUNDERSTORMS. ONE SUCH IMPULSE IS SEEN ON WATER VAPOR IMAGERY TO THE WEST SOUTHWEST OF THE STATE. THIS IS LIKELY RESPONSIBLE FOR THE DEEP CONVECTION JUST TO THE SOUTH OF THE SMALLER ISLANDS AND JUST WEST OF THE BIG ISLAND. THE 12Z GFS SEEMS TO HAVE A GOOD HANDLE ON THIS FEATURE. THE NEXT STRONG IMPULSE IS PROGGED BY THE GFS TO ROTATE THROUGH IN THE LATE WEDNESDAY INTO THURSDAY TIME FRAME. SO LITTLE CHANGE FROM OUR PRESENT WEATHER IS EXPECTED INTO THE FORESEEABLE FUTURE WITH GENERALLY CLOUDY SKIES WITH PERIODS OF SHOWERS AND ISOLATED THUNDERSTORMS EXPECTED. OBSERVATIONS FROM THE HIGH SUMMITS ON MAUI AND THE BIG ISLAND SHOW RATHER STRONG WINDS OCCURRING. THUS WE WILL LEAVE THE WIND ADVISORY UP FOR HALEAKALA AS WELL AS THE WINTER WEATHER ADVISORY UP FOR MAUNA KEA AND MAUNA LOA. && .HFO WATCHES/WARNINGS/ADVISORIES... WINTER WEATHER ADVISORY THROUGH LATE TONIGHT FOR MAUNA KEA AND MAUNA LOA. FLASH FLOOD WATCH THROUGH LATE TONIGHT FOR ALL ISLANDS. WIND ADVISORY HALEAKALA SUMMIT TODAY. BURKE
In the hours before
Local storm report, Mar 27, 6:50 AM HST, 3 hours 39 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE HONOLULU HI
650 AM HST MON MAR 27 2006
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0540 AM FLASH FLOOD 1 E HANALEI 22.21N 159.49W
03/27/2006 KAUAI IN KAUAI HI EMERGENCY MNGR
KAUAI CIVIL DEFENSE REPORTED THE CLOSURE OF KUHIO HIGHWAY
AT THE HANALEI BRIDGE.
&&
KODAMAThe office that day
Everything else NWS Honolulu, HI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 26, 2:43 PM HST | Special Marine Warning | HFO | 49 min | |
| Mar 26, 7:00 PM HST | Special Marine Warning | HFO | 2 hr | |
| Mar 26, 9:00 PM HST | Special Marine Warning | HFO | 2 hr | |
| Mar 26, 9:25 PM HST | Flash Flood Warning | HFO | Kalawao | 3 hr |
| Mar 26, 10:04 PM HST | Wind Advisory | HFO | Kalawao | 30 hr |
| Mar 27, 4:37 AM HST | Winter Weather Advisory | HFO | Hawaii | 23 hr |
| Mar 27, 4:53 AM HST | Flash Flood Warning | HFO | Kauai | 3 hr |
| Mar 27, 7:41 AM HST | Special Marine Warning | HFO | 64 min | |
| Mar 27, 7:44 AM HST | Flash Flood Warning | HFO | Kauai | 3 hr |
| Mar 27, 8:37 AM HST | Special Marine Warning | HFO | 53 min | |
| Mar 27, 9:09 AM HST | Severe Thunderstorm Warning | HFO | Kalawao | 53 min |
| Mar 27, 9:28 AM HST | Special Marine Warning | HFO | 62 min | |
| Mar 27, 9:32 AM HST | Flash Flood Warning | HFO | Kalawao | 3 hr |
| Mar 27, 9:39 AM HST | Severe Thunderstorm Warning | HFO | Kalawao | 51 min |
| Mar 27, 9:45 AM HST | Flash Flood Warning | HFO | Kalawao | 3 hr |
| Mar 27, 10:25 AM HST | Special Marine Warning | HFO | 81 min | |
| Mar 27, 12:00 PM HST | Special Marine Warning | HFO | 90 min |
Nearby
Flash Flood Warnings in Hawaii, 2006Every flash flood warning in 2006
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.