Alert archive / Hawaii / Flash Flood Warnings in 2002
Flash Flood Warning 22, NWS Honolulu, HI
NWS Honolulu, HI issued this flash flood warning at Oct 15, 2002, 12:52 PM HST for Honolulu County, Kauai 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
- Oct 15, 2002, 12:52 PM HST (22:52 UTC)
- Expired
- Oct 15, 2002, 3:45 PM HST
- In force
- 3 hr
- Issued by
- NWS Honolulu, HI
- Area
- Whole counties
Counties Honolulu County, HI, Kauai County, HI
The nearest sounding before it
Lihue, (PHLI), launched 12:00Z, 10.9 hours before the alert went out and 60 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1173 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 10 m²/s²
- 0-3 km storm-relative helicity
- 80 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 152254 FFWHI HIZ004-007-160145- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE HONOLULU HI 1252 PM HST TUE OCT 15 2002 THE NATIONAL WEATHER SERVICE IN HONOLULU HAS ISSUED A * FLASH FLOOD WARNING FOR... NORTH AND EAST HAWAII INCLUDING WINDWARD KOHALA HAMAKUA WEST HAWAII INCLUDING LEEWARD KOHALA AND KONA * UNTIL 345 PM HST * AT 1242 PM HST...THE PUBLIC REPORTED VERY HEAVY RAIN 5 MILES NORTHEAST OF KEKAHA KAI S.P....OR ABOUT 13 MILES NORTH OF KAILUA-KONA...MOVING NORTHEAST AT 30 MPH. * LOCATIONS IN THE WARNING INCLUDE NIULII...MAKAPALA...HALAULA... HAWI...KALAOA...KEKAHA KAI S.P. AND PUUANAHULU EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLASH FLOODING OF STREAMS AND COULD ALSO TRIGGER ROCK AND MUDSLIDES IN STEEP TERRAIN. 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. 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. STAY TUNED TO NOAA WEATHER RADIO OR OTHER LOCAL MEDIA SOURCES FOR THE LATEST SEVERE WEATHER INFORMATION. REPORT SEVERE WEATHER TO THE POLICE FOR IMMEDIATE RELAY TO THE NATIONAL WEATHER SERVICE. $$ LAT...LON 1979 15626 1965 15619 1981 15565 2073 15558 FARRELL
1 follow-up statement
000 WGHW70 PHFO 160159 FFSHI HIZ004-007-160300- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE HONOLULU HI 400 PM HST TUE OCT 15 2002 ...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR NORTH AND EAST HAWAII INCLUDING WINDWARD KOHALA AND HAMAKUA...AND WEST HAWAII INCLUDING LEEWARD KOHALA AND KONA HAS EXPIRED... STAY TUNED TO NOAA WEATHER RADIO...LOCAL TV OR RADIO FOR FURTHER NATIONAL WEATHER SERVICE INFORMATION. $$ KODAMA WGHW70 PHFO 160159 FFSHI HIZ004-007-160300- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE HONOLULU HI 400 PM HST TUE OCT 15 2002 ...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR NORTH AND EAST HAWAII INCLUDING WINDWARD KOHALA AND HAMAKUA...AND WEST HAWAII INCLUDING LEEWARD KOHALA AND KONA HAS EXPIRED... STAY TUNED TO NOAA WEATHER RADIO...LOCAL TV OR RADIO FOR FURTHER NATIONAL WEATHER SERVICE INFORMATION. $$ KODAMA
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 Oct 15, 10:10 AM HST, 2 hours 42 minutes earlier.
Area forecast discussion, Oct 15, 10:10 AM HST, 2 hours 42 minutes before
HAWAIIAN ISLANDS SYNOPTIC DISCUSSION AND GUIDANCE...UPDATED NATIONAL WEATHER SERVICE HONOLULU HI 1010 AM HST TUE OCT 15 2002 AMENDED FOR ADDITION OF HIGH SURF ADVISORY FOR KAUAI SUMMARY...A FRONTAL BAND BROUGHT HEAVY SHOWERS AND THUNDERSTORMS TO THE STATE LAST NIGHT AND THIS MORNING...AND WILL CONTINUE TO FOSTER SHOWERS THROUGH MUCH OF THIS WEEK. THE SHOWERY AND UNSETTLED WEATHER WILL FINALLY GIVE WAY TO TRADE WINDS OVER THE COMING WEEKEND. DISCUSSION...A LARGE LOW PRESSURE SYSTEM TO OUR NORTH...WITH A FRONT EXTENDING AROUND ITS EASTERN FLANK AND DOWN TOWARD THE ISLANDS SET OFF A PREFRONTAL CONVERGENCE ZONE LATE MONDAY AFTERNOON THAT BROUGHT 3 TO 4 INCHES OF RAIN TO MANY PARTS OF OAHU MONDAY EVENING...AND THEN TO MOLOKAI AND LANAI OVERNIGHT...AND TO MAUI EARLY THIS MORNING. THE FRONTAL BAND OF HEAVY SHOWERS NOW LIES IN THE ALENUIHAHA CHANNEL AND EXTENDS TOWARD THE WEST SOUTHWEST TO THE SOUTH OF THE ISLANDS. THE FRONT IS BECOMING STATIONARY OVER THE STATE...AND FORECAST MODELS CONTINUE THE CLOUDY...SHOWERY PATTERN THROUGH THE END OF THIS WEEK AS WEAK IMPULSES MOVE UP OUT OF THE TROPICS ALONG THE OLD FRONTAL ZONE. SURF...ANOTHER STRONG LOW PRESSURE SYSTEM...THE REMNANTS OF TYPHOON BAVI...TO OUR NORTHWEST HAS GENERATED A LARGE SWELL THAT WILL AFFECT THE ISLANDS BEGINNING WEDNESDAY. SURF HEIGHTS ARE EXPECTED TO RISE TO HEIGHTS OF 10 TO 15 FEET EARLY WEDNESDAY...AND POSSIBLY AS HIGH AS 20 FEET OR MORE LATER ON. FARRELL .HFO...WARNINGS.....FLASH FLOOD MOLOKAI EXPIRED AT 655 AM HST . FLASH FLOOD LANAI UNTIL 1045 AM HST . FLASH FLOOD MAUI UNTIL 1045 AM HST . WATCHES......FLOOD MAUI UNTIL 4PM HST . ADVISORIES...HIGH SURF KAUAI AT 1000 AM HST
The office that day
Everything else NWS Honolulu, HI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 15, 3:55 AM HST | Flash Flood Warning | HFO | 3 hr | |
| Oct 15, 4:15 AM HST | Flash Flood Warning | HFO | Honolulu | 3 hr |
| Oct 15, 6:03 AM HST | Flash Flood Warning | HFO | Kauai | 3 hr |
| Oct 15, 6:55 AM HST | Flash Flood Warning | HFO | Honolulu, Kauai | 3 hr |
| Oct 15, 7:52 AM HST | Flash Flood Warning | HFO | Honolulu, Kauai | 3 hr |
Nearby
Flash Flood Warnings in Hawaii, 2002Every flash flood warning in 2002
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.