Alert archive / Hawaii / Flash Flood Warnings in 2005
Flash Flood Warning 38, NWS Honolulu, HI
NWS Honolulu, HI issued this flash flood warning at Oct 25, 2005, 12:06 AM HST for Honolulu 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 outline as issued.
The facts
- Issued
- Oct 25, 2005, 12:06 AM HST (10:06 UTC)
- Expired
- Oct 25, 2005, 3:00 AM HST
- In force
- 3 hr
- Issued by
- NWS Honolulu, HI
- Area
- Counties, with a storm outline in the text
County Honolulu 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
Lihue, (PHLI), launched 00:00Z, 10.1 hours before the alert went out and 161 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
- 126 J/kg
- Mixed-layer CIN
- -11 J/kg
- Mixed-layer LCL
- 977 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- -1 m²/s²
- 0-3 km storm-relative helicity
- 32 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
WGHW50 PHFO 251012
FFWHFO
HIC003-251300-
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE HONOLULU HI
1206 AM HST TUE OCT 25 2005
THE NATIONAL WEATHER SERVICE IN HONOLULU HAS ISSUED A
* FLASH FLOOD WARNING FOR...
THE ISLAND OF OAHU IN HONOLULU COUNTY
* UNTIL 300 AM HST
* AT 1201 AM HST...RADAR SHOWED MORE HEAVY RAIN MOVING NORTHWESTWARD
OVER WINDWARD...CENTRAL AND SOUTH OAHU.
* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
HONOLULU...WHEELER AFB...WHITMORE VILLAGE...WAHIAWA...PUPUKEA...
PUNALUU...LAIE...KAHUKU...KAAAWA...HAUULA AND HALEIWA.
THIS WARNING REPLACES THE FLOOD ADVISORY ISSUED EARLIER.
MOVE TO HIGHER GROUND NOW. STAY AWAY FROM STREAMS AND LOW LYING AREAS
PRONE TO FLOODING.
BE ESPECIALLY CAUTIOUS SINCE IT IS HARDER TO SEE FLASH FLOODING IN
THE DARK. AVOID TRAVEL.
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 300 AM HST IF
FLASH FLOODING CONDITIONS PERSIST.
LAT...LON 2119 15788 2130 15762 2178 15792 2162 15819
2142 15804
$$2 follow-up statements
000
WGHW70 PHFO 251105
FFSHFO
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE HONOLULU HI
1258 AM HST TUE OCT 25 2005
HIC003-251300-
HONOLULU-
1258 AM HST TUE OCT 25 2005
...A FLASH FLOOD WARNING CONTINUES UNTIL 300 AM HST FOR THE ISLAND OF
OAHU IN HONOLULU COUNTY...
AT 1254 AM HST...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED THAT THE
KAPAA QUARRY ROAD IS CLOSED DUE TO WATER ON THE ROAD. ALSO...THAT
WATER REMAINS WITHIN THE BANKS OF THE WAIAHOLE STREAM ON THE
WINDWARD SIDE OF OAHU...BUT THAT THE WATER IS RISING. POLICE ARE
MONITORING THE STREAM...AND MAY CLOSE THE HIGHWAY IF NEEDED.
LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO HONOLULU...
WHEELER AFB...WHITMORE VILLAGE...WAHIAWA...PUPUKEA...PUNALUU...
LAIE...KAHUKU...KAAAWA...HAUULA AND HALEIWA.
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODS AND FLASH FLOODS.
MOTORISTS SHOULD BE ALERT FOR FLOODING AND SHOULD NOT ATTEMPT TO
CROSS FAST FLOWING OR RISING WATER. MANY FLASH FLOOD DEATHS OCCUR
WHEN MOTORISTS TRY CROSSING FLOODED ROADWAYS. TURN AROUND...DON/T
DROWN.
ESCAPE RISING WATER BY CLIMBING DIRECTLY TO HIGHER GROUND. NEVER TRY
TO OUTRACE A FLOOD...EITHER ON FOOT OR IN YOUR VEHICLE. DO NOT CAMP
NEAR STREAMS OR OTHER AREAS SUBJECT TO FLOODING.
LAT...LON 2119 15788 2130 15762 2178 15792 2162 15819
2142 15804
$$000
WGHW70 PHFO 251218
FFSHFO
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE HONOLULU HI
215 AM HST TUE OCT 25 2005
HIC003-251219-
HONOLULU-
215 AM HST TUE OCT 25 2005
...THE FLASH FLOOD WARNING FOR THE ISLAND OF OAHU IN HONOLULU COUNTY
IS CANCELLED...
THE HEAVY RAIN HAS ENDED AND FLASH FLOODING IS NO LONGER EXPECTED.
POLICE REPORT THAT BOTH THE KAPAA QUARRY ROAD AND KAMEHAMEHA HIGHWAY
AT THE WAIAHOLE STREAM ARE NOW OPENED FOR TRAFFIC.
ALTHOUGH THE THREAT OF FLOODING HAS ENDED...PONDING OF WATER IN LOW
LYING AREAS IS STILL POSSIBLE. MOTORISTS ARE URGED TO EXERCISE
CAUTION DUE TO WATER ON THE ROAD.
LAT...LON 2119 15788 2130 15762 2178 15792 2162 15819
2142 15804
$$
CRAIGWhat 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 Oct 24, 8:30 PM HST, 3 hours 36 minutes earlier.
Area forecast discussion, Oct 24, 8:30 PM HST, 3 hours 36 minutes before
HAWAIIAN ISLANDS FORECAST DISCUSSION NATIONAL WEATHER SERVICE HONOLULU HI 830 PM HST MON OCT 24 2005 .SYNOPSIS...A HIGH PRESSURE RIDGE TO THE NORTH WILL KEEP TRADE WINDS BLOWING OVER HAWAII THROUGH NEXT WEEK. THE TRADES WILL CARRY AREAS OF UNSTABLE LOW CLOUDS OVER THE ISLANDS. ONE OF THESE CLOUD AREAS WILL MAKE IT RATHER SHOWERY TONIGHT ON OAHU AND KAUAI. THE SHOWERS WILL FALL MAINLY OVER WINDWARD AREAS. && .DISCUSSION... AN EAST TO WEST RIDGE ABOUT 500 MILES NORTH OF THE ISLANDS WILL MAINTAIN MODERATE TO LOCALLY BREEZY TRADE WINDS THROUGH THURSDAY. THE TRADES ARE FORECAST TO WEAKEN STARTING FRIDAY AS A MID-LATITUDE TROUGH DIGS TOWARDS THE ISLANDS FROM THE NORTHWEST. THE TROUGH AND ASSOCIATED COLD FRONT IS FORECAST TO STAY NORTH OF THE RIDGE AND NOT BRING RAIN TO THE ISLANDS. A WEAK DISTURBANCE EMBEDDED IN THE TRADE FLOW...SOMETIMES CALLED A SCREAMING EAGLE BECAUSE OF ITS APPEARANCE ON SATELLITE IMAGERY... WILL BRING SHOWERY WEATHER TO OAHU NOW AND KAUAI LATER TONIGHT AND TUESDAY MORNING. A SECOND DISTURBANCE FARTHER TO THE NORTHEAST MAY WET KAUAI AND OAHU TOMORROW NIGHT IF IT HOLDS TOGETHER OR DOES NOT PASS NORTH OF THE ISLANDS. THE WET TRADES ARE THE RESULT OF AN UPPER TROUGH THAT HAS FORMED OVER THE STATE. THE TUTT OR TROPICAL UPPER TROPOSPHERIC TROUGH HAS WEAKENED THE SUBSIDENCE INVERSION ASSOCIATED WITH THE SURFACE RIDGE TO OUR NORTH...ALLOWING THE MARINE LAYER TO RISE ABOVE 7000 FEET. INSERT MOISTURE INTO THE MARINE LAYER IN THE FORM OF THE ABOVE MENTIONED DISTURBANCES AND YOU GET WET TRADES. PROGS SAY THAT THE TROUGH WILL MOVE SLOWLY NORTHWEST OVER THE NEXT 36 HOURS THEN REMAIN NEARLY STATIONARY NORTHWEST OF KAUAI. IT COULD KEEP THE ATMOSPHERE OVER THE ISLANDS A BIT UNSTABLE AND OUR TRADES WET ALL WEEK. && .HFO WATCHES/WARNINGS/ADVISORIES... SMALL CRAFT ADVISORY FOR WATERS SOUTH OF THE BIG ISLAND. && CRAIG
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.