Alert archive / Hawaii / Flash Flood Warnings in 2005
Flash Flood Warning 45, NWS Honolulu, HI
NWS Honolulu, HI issued this flash flood warning at Dec 4, 2005, 2:33 PM HST for Honolulu County, Hawaii. It was in force for 3 hr. 1 report 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
- Dec 4, 2005, 2:33 PM HST (00:33 UTC)
- Expired
- Dec 4, 2005, 5:30 PM HST
- In force
- 3 hr
- Issued by
- NWS Honolulu, HI
- Area
- Counties, with a storm outline in the text
County Honolulu County, HI
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Dec 4, 3:10 PM HST | FLASH FLOOD | Kaimuki, HI | HOBRON LANE REPORTED FLOODED |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
Did it verify
Verified. The Iowa Environmental Mesonet's Cow matched one storm report to this flash flood warning; the first came 37 minutes after it went out.
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
Lihue, (PHLI), launched 00:00Z, 0.6 hours before the alert went out and 176 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
- 495 J/kg
- Mixed-layer CIN
- -20 J/kg
- Mixed-layer LCL
- 1239 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- -57 m²/s²
- 0-3 km storm-relative helicity
- -44 m²/s²
- Significant tornado parameter
- -0.1
- Supercell composite
- -1.4
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGHW50 PHFO 050035 FFWHFO HIC003-050330- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE HONOLULU HI 233 PM HST SUN DEC 4 2005 THE NATIONAL WEATHER SERVICE IN HONOLULU HAS ISSUED A * FLASH FLOOD WARNING FOR... THE ISLAND OF OAHU IN HONOLULU COUNTY * UNTIL 530 PM HST * AT 224 PM HST...SPOTTERS REPORTED FLASH FLOODING FROM HEAVY RAIN AND THUNDERSTORMS NEAR KANEOHE...OR ABOUT 6 MILES NORTHEAST OF HONOLULU. THE AREA OF HEAVY RAIN WAS NEARLY STATIONARY. * OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO WAIAHOLE...KAHALUU...WAIMANALO...HAWAII KAI AND KAILUA. MOVE TO HIGHER GROUND NOW. STAY AWAY FROM STREAMS AND LOW LYING AREAS PRONE TO FLOODING. THIS FLASH FLOOD WARNING REPLACES THE FLOOD ADVISORY THAT WAS IN EFFECT. HEAVY RAIN AND THUNDERSTORMS CONTINUE OVER OTHER PARTS OF OAHU. EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLASH FLOODING OF STREAMS...HIGHWAYS...UNDERPASSES AND LOW LYING AREAS. 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 530 PM HST IF FLASH FLOODING CONDITIONS PERSIST. LAT...LON 2128 15786 2128 15763 2151 15767 2149 15789 $$ BURKE
2 follow-up statements
000 WGHW70 PHFO 050140 FFSHFO FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE HONOLULU HI 336 PM HST SUN DEC 4 2005 HIC003-050330- HONOLULU- 336 PM HST SUN DEC 4 2005 ...A FLASH FLOOD WARNING REMAINS IN EFFECT FOR THE ISLAND OF OAHU IN HONOLULU COUNTY UNTIL 530 PM HST... LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO KAHUKU... HALEIWA...PUNALUU...HAUULA...MOKULEIA...WAIALUA...WAHIAWA... KAHALUU...MILILANI...WAIPIO...KANEOHE...PEARL CITY... KAILUA...WAIPAHU...HALAWA...AIEA...MAUNAWILI...MAKAKILO...WAIMANALO.. EWA BEACH AND HONOLULU SEVERAL SPOTTERS HAVE REPORTED EXCESSIVE PONDING AND FLOODING DUE TO HEAVY RAIN FROM THUNDERSTORMS. EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLASH FLOODING OF STREAMS...HIGHWAYS...UNDERPASSES AND LOW LYING AREAS. MOTORISTS SHOULD BE ALERT FOR FLOODING AND SHOULD NOT ATTEMPT TO CROSS FAST FLOWING OR RISING WATER. MANY FLASH FLOOD DEATHS OCCUR WHEN MOTORISTS TRY CROSSING FLOODED ROADWAYS. TURN AROUND...DON/T DROWN. ESCAPE RISING WATER BY CLIMBING DIRECTLY TO HIGHER GROUND. NEVER TRY TO OUTRACE A FLOOD...EITHER ON FOOT OR IN YOUR VEHICLE. DO NOT CAMP NEAR STREAMS OR OTHER AREAS SUBJECT TO FLOODING. THE FLASH FLOOD WARNING MAY NEED TO BE EXTENDED BEYOND 530 PM HST IF FLASH FLOODING CONDITIONS PERSIST. LAT...LON 2124 15812 2124 15762 2175 15789 2157 15824 $$ BURKE
000 WGHW70 PHFO 050324 FFSHFO FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE HONOLULU HI 522 PM HST SUN DEC 4 2005 HIC003-050332- HONOLULU- 522 PM HST SUN DEC 4 2005 ...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR THE ISLAND OF OAHU IN HONOLULU COUNTY... HEAVY RAINS HAVE DIMINISHED ACROSS THE WARNING AREA...HOWEVER LIGHT TO MODERATE SHOWERS CONTINUE. 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 2124 15812 2124 15762 2175 15789 2157 15824 $$
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 Dec 4, 10:00 AM HST, 4 hours 33 minutes earlier.
Area forecast discussion, Dec 4, 10:00 AM HST, 4 hours 33 minutes before
HAWAIIAN ISLANDS FORECAST DISCUSSION NATIONAL WEATHER SERVICE HONOLULU HI 1000 AM HST SUN DEC 4 2005 .SYNOPSIS... A FRONT WILL APPROACH THE ISLANDS TONIGHT AND STALL NEAR OAHU ON MONDAY BRINGING WITH IT SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS. A TROUGH ALOFT WILL PRODUCE UNSETTLED WEATHER WITH A CHANCE OF HEAVY SHOWERS AND POSSIBLE THUNDERSTORMS THROUGH TUESDAY NIGHT. TRADE WIND WEATHER WILL RETURN BY WEDNESDAY AND CONTINUE THROUGH THE END OF THE WEEK WITH CLOUDS AND SHOWERS FAVORING WINDWARD AND MAUKA AREAS. && .DISCUSSION... A COLD FRONT ABOUT 80 MILES NORTHWEST OF KAUAI IS MOVING TOWARD THE EAST SOUTHEAST AT AROUND 20 MPH. A PREFRONTAL CONVERGENCE BAND CONTAINING A FEW HEAVY SHOWERS AND ISOLATED THUNDERSTORMS HAD MOVED OVER OAHU BUT IS NOW DISSIPATING.. ANOTHER AREA OF LOCALLY HEAVY SHOWERS IS SEEN OVER PORTIONS OF MOLOKAI AND LANAI. WINDS OVER THE ISLANDS WILL BE LIGHT AGAIN TODAY ALLOWING AFTERNOON CLOUDS AND SHOWERS TO FORM. THE COLD FRONT WILL REACH KAUAI TONIGHT AND STALL NEAR OAHU TOMORROW BRINGING CLOUDS AND SHOWERS. TRADE WINDS WILL RETURN MONDAY BUT THE TRADES WILL INITIALLY BE RATHER LIGHT BECAUSE THE SURFACE HIGH BEHIND THE FRONT WILL BE FAIRLY WEAK...WITH A CENTRAL PRESSURE NEAR 1020 MB MONDAY MORNING. THE TRADES WILL GRADUALLY INCREASE TO 10 TO 20 MPH BY TUESDAY AFTERNOON WITH A 1025 MB HIGH NORTHEAST OF THE ISLANDS. A TROUGH ALOFT SUPPORTING THE FRONT WILL SPLIT ON MONDAY. PART OF THE TROUGH WILL MOVE RAPIDLY AWAY TO THE EAST NORTHEAST BUT SOME ENERGY WILL DIG SOUTH OVER THE ISLANDS. THE MODELS ARE IN PRETTY GOOD AGREEMENT SHOWING A SHARP TROUGH ALOFT FORMING OVER THE ISLANDS MONDAY NIGHT. COLD TEMPERATURES ALOFT ASSOCIATED WITH THE TROUGH WILL MAKE THE ATMOSPHERE UNSTABLE. WITH LOW LEVEL MOISTURE FROM THE DISSIPATING FRONTAL BAND LINGERING OVER THE ISLANDS...HEAVY SHOWERS OR THUNDERSTORMS WILL BE POSSIBLE THROUGH TUESDAY NIGHT. THE TROUGH ALOFT WILL MOVE EAST OF THE ISLANDS BY WEDNESDAY MORNING AND THE ATMOSPHERE WILL THEN STABILIZE. A SURFACE RIDGE NORTH OF THE ISLANDS WILL MAINTAIN TRADE WINDS THROUGH THE REST OF NEXT WEEK WITH CLOUDS AND SHOWERS FAVORING WINDWARD AND MAUKA AREAS. && .MARINE... WEST NORTHWEST AND NORTH NORTHEAST SWELLS WILL GRADUALLY DECREASE THROUGH THIS AFTERNOON. A STORM NORTHWEST OF THE ISLANDS IS PRODUCING A LARGE SWELL THAT WILL ARRIVE THIS EVENING. THIS SWELL WILL PRODUCE SURF ABOVE THE 15 FOOT ADVISORY LEVEL FOR NORTH-FACING SHORES...AND THE 12 FOOT ADVISORY LEVEL FOR THE WEST-FACING SHORES. WITH OPEN OCEAN SWELLS OVER 10 FEET...A SMALL CRAFT ADVISORY WILL ALSO BE NEEDED FOR THE COASTAL WATERS EXPOSED TO THIS SWELL. SURF WILL PEAK MONDAY AND DROP BELOW THE ADVISORY LEVEL BY TUESDAY MORNING. A LARGER NORTHWEST SWELL NEXT THURSDAY MAY APPROACH WARNING LEVELS. && .HFO WATCHES/WARNINGS/ADVISORIES... .HIGH SURF ADVISORY FOR NORTHWEST SWELL. && BURKE
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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive.