Alert archive / Hawaii / Flash Flood Warnings in 2005
Flash Flood Warning 44, NWS Honolulu, HI
NWS Honolulu, HI issued this flash flood warning at Nov 30, 2005, 7:30 PM HST for Hawaii County, Hawaii. It was in force for 2 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
- Nov 30, 2005, 7:30 PM HST (05:30 UTC)
- Expired
- Nov 30, 2005, 9:30 PM HST
- In force
- 2 hr
- Issued by
- NWS Honolulu, HI
- Area
- Counties, with a storm outline in the text
County Hawaii County, HI
Did it verify
Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this flash flood warning while it was in force. That is not proof nothing happened: reports are thin where few people live.
Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.
The nearest sounding before it
Hilo, (PITO), launched 00:00Z, 5.5 hours before the alert went out and 85 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
- 766 J/kg
- Mixed-layer CIN
- -12 J/kg
- Mixed-layer LCL
- 894 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 31 m²/s²
- 0-3 km storm-relative helicity
- 32 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.6
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGHW50 PHFO 010531 FFWHFO HIC001-010730- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE HONOLULU HI 730 PM HST WED NOV 30 2005 THE NATIONAL WEATHER SERVICE IN HONOLULU HAS ISSUED A * FLASH FLOOD WARNING FOR... THE ISLAND OF HAWAII IN HAWAII COUNTY * UNTIL 930 PM HST * AT 725 PM HST...RADAR SHOWED HEAVY RAIN OVER THE KAU COAST OF THE BIG ISLAND BETWEEN WOOD VALLEY AND NAALEHU. * OTHER LOCATIONS IN THE WARNED AREA INCLUDE KAWA FLATS... PAHALA...HONUAPU...AND NINOLE. MOVE TO HIGHER GROUND NOW. STAY AWAY FROM STREAMS AND LOW LYING AREAS PRONE TO FLOODING. EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLASH FLOODING OF STREAMS AND COULD ALSO TRIGGER ROCK AND MUDSLIDES IN STEEP TERRAIN. BE ESPECIALLY CAUTIOUS SINCE IT IS HARDER TO SEE FLASH FLOODING IN THE DARK. AVOID TRAVEL ALONG THE HAWAII BELT ROAD BETWEEN PAHALA AND NAALEHU. DO NOT TRY TO CROSS FAST FLOWING OR RISING WATER IN YOUR VEHICLE OR ON FOOT. THE WATER MAY BE TOO DEEP TO CROSS SAFELY. TURN AROUND... DON/T DROWN. REPORT FLOODING TO POLICE OR CIVIL DEFENSE OFFICIALS FOR RELAY TO THE NATIONAL WEATHER SERVICE. THIS FLASH FLOOD WARNING MAY NEED TO BE EXTENDED BEYOND 930 PM HST IF FLASH FLOODING CONDITIONS PERSIST. LAT...LON 1899 15563 1927 15538 1936 15549 1916 15562 $$
1 follow-up statement
000 WGHW70 PHFO 010714 FFSHFO FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE HONOLULU HI 915 PM HST WED NOV 30 2005 HIC001-010718- HAWAII- 915 PM HST WED NOV 30 2005 ...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR THE ISLAND OF HAWAII IN HAWAII COUNTY... THE THUNDERSTORMS OVER SOUTHEAST PARTS OF THE BIG ISLAND HAVE DIMINISHED. STAY TUNED TO NOAA WEATHER RADIO OR OTHER LOCAL MEDIA SOURCES FOR THE LATEST SEVERE WEATHER INFORMATION. REPORT FLOODING TO THE POLICE OR CIVIL DEFENSE OFFICIALS FOR RELAY TO THE NATIONAL WEATHER SERVICE. LAT...LON 1899 15563 1927 15538 1936 15549 1916 15562 $$
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 Nov 30, 6:10 PM HST, 1 hour 20 minutes earlier.
Area forecast discussion, Nov 30, 6:10 PM HST, 1 hour 20 minutes before
HAWAIIAN ISLANDS FORECAST DISCUSSION NATIONAL WEATHER SERVICE HONOLULU HI 610 PM HST WED NOV 30 2005 .SYNOPSIS... A RIDGE WILL REMAIN NEARLY STATIONARY OVER THE MAIN HAWAIIAN ISLANDS FOR THE REST OF THIS WEEK...KEEPING WINDS LIGHT AND VARIABLE. DAYTIME SEA BREEZES AND NIGHTTIME LAND BREEZES WILL DOMINATE THE LOCAL WIND PATTERN. CLOUDS AND SHOWERS WILL FAVOR THE INTERIOR SECTIONS OF THE ISLANDS DURING THE AFTERNOON...WITH MOSTLY CLEAR AND COOL NIGHTS. A FRONT MAY ARRIVE LATE SUNDAY AND BRING INCREASED SHOWERS OVER THE ISLANDS TO START NEXT WEEK. && .UPDATE... A GRAVITY WAVE MOVING NORTHWEST TO SOUTHEAST ACROSS THE STATE HAS THROWN A MONKEY WRENCH INTO THE FORECAST FOR SOUTHEAST OAHU THIS EVENING. TYPICAL SEA BREEZE INTERIOR SHOWERS IN OVER THE FAR SOUTHERN END OF THE KOOLAUS ARE BEING ENHANCED BY THE GRAVITY WAVE AT THE MOMENT. BELIEVE THE EFFECT WILL BE SHORT LIVED AS THE GRAVITY WAVE EXITS THE AREA. THE SHOWERS SHOULD START TO DISSIPATE WITHIN THE NEXT HOUR. HAVE UPDATED THE ZONES TO TAKE THE INCREASED SHOWERS INTO AFFECT THROUGH THE EARLY EVENING. WILL LEAVE INTACT THE REMAINDER OF THE OVERNIGHT FORECAST THAT CALLS FOR A TRANSITION TOWARD MOSTLY CLEAR SKIES LATER THIS EVENING. && .DISCUSSION... A FAIRLY BENIGN WEATHER DAY ACROSS THE STATE TODAY SAVE FOR A FUNNEL CLOUD SPOTTED BY A PILOT OVER THE KAIWI CHANNEL. OTHER THAN THAT...PARTLY CLOUDY SKIES AND A FEW SPRINKLES PREVAIL ACROSS THE ISLAND CHAIN. WITH LOSS OF SURFACE HEATING OVER THE NEXT COUPLE OF HOURS...EXPECT A TRANSITION THIS EVENING TOWARD A MOSTLY CLEAR AND COOL NIGHT ACROSS THE STATE. WITH RIDGE REMAINING OVER THE STATE THROUGH SATURDAY OR SO...EXPECT BASIC REPEAT OF TODAYS WEATHER PATTERN THURSDAY THROUGH SATURDAY. LARGE SCALE WINDS WILL REMAIN LIGHT...ALLOWING THE DEVELOPMENT OF DAYTIME SEA BREEZES AND NIGHTTIME LAND BREEZES THROUGH SATURDAY. A WEAK FRONT NEARLY 550 MILES NORTHWEST OF KAUAI WILL APPROACH...BUT IS NOT EXPECTED TO REACH THE ISLANDS AT THE END OF THE WEEK. INSTEAD...THE FRONT SHOULD STRETCH OUT AND PASS BY NORTH OF THE ISLANDS AS IT DISSIPATES. MAY SEE AN INCREASE IN HIGH CLOUDS ACROSS THE NORTHERN HALF OF THE STATE AS THE FRONT NEARS...BUT LITTLE TO NONE OF THE RAIN PRODUCING STUFF. MODELS CONTINUE TO ADVERTISE A STRONGER FRONT SWEEPING THROUGH THE ISLANDS STARTING LATE SUNDAY. THE FORECAST UPPER LEVEL SUPPORT APPEARS ADEQUATE...THOUGH MODELS ARE STILL A BIT FIDGETY ON THE TIMING DETAILS. GIVEN RECENT MODEL PERFORMANCE IN A SIMILAR SCENARIO...WILL CAUTIOUSLY KEEP TOES IN THE CURRENT FORECAST CALLING FOR INCREASED SHOWERS...BUT DO NOT HAVE ENOUGH CONFIDENCE THIS FAR OUT TO JUMP IN ALL THE WAY. && .HFO WATCHES/WARNINGS/ADVISORIES... NONE. && TANABE
In the hours before
Local storm report, Nov 30, 7:19 PM HST, 11 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE HONOLULU HI
719 PM HST WED NOV 30 2005
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0710 PM LIGHTNING KAILUA 21.40N 157.74W
11/30/2005 HONOLULU HI NWS EMPLOYEE
THUNDER HEARD IN THE DISTANCE. NO RAIN OCCURRING AT THE
TIME OF CALL.
0712 PM LIGHTNING KANEOHE 21.41N 157.79W
11/30/2005 HONOLULU HI TRAINED SPOTTER
1 FLASH OF LIGHTNING REPORTED OVER KANEOHE WITH CB TOPS.
&&
BBINGAMANThe office that day
Everything else NWS Honolulu, HI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 30, 6:40 PM HST | Flash Flood Warning | HFO | Hawaii | 65 min |
| Nov 30, 6:50 PM HST | Flash Flood Warning | HFO | Honolulu | 115 min |
Nearby
Flash Flood Warnings in Hawaii, 2005Every flash flood warning in 2005
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.