Alert archive / Hawaii / Flash Flood Warnings in 2002
Flash Flood Warning 11, NWS Honolulu, HI
NWS Honolulu, HI issued this flash flood warning at Mar 5, 2002, 5:00 PM HST for 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
- Mar 5, 2002, 5:00 PM HST (03:00 UTC)
- Expired
- Mar 5, 2002, 8:00 PM HST
- In force
- 3 hr
- Issued by
- NWS Honolulu, HI
- Area
- Whole counties
County Kauai County, HI
The nearest sounding before it
Lihue, (PHLI), launched 00:00Z, 3.0 hours before the alert went out and 37 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
- 252 J/kg
- Mixed-layer CIN
- -111 J/kg
- Mixed-layer LCL
- 778 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 37 m²/s²
- 0-3 km storm-relative helicity
- 54 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGHW50 PHFO 060311 FFWHI HIZ004-008-060600- CORRECTED DATE ON FOURTH LINE BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE HONOLULU HI 500 PM HST TUE MAR 5 2002 THE NATIONAL WEATHER SERVICE IN HONOLULU HAS ISSUED A * FLASH FLOOD WARNING FOR... THE WINDWARD SIDE OF THE BIG ISLAND FROM LAUPAHOEHOE TO HILO * UNTIL 800 PM HST * AT 454 PM HST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM JUST NORTH OF PEPEEKEO WITH A POTENTIAL RAINFALL RATE OF 3 INCHES AN HOUR. * HEAVY RAINS HAVE ALREADY CAUSED THE CLOSING OF THE COASTAL HIGHWAY NEAR HAKALAU...TRAFFIC IS CLOSED BOTH WAYS. FLASH FLOODING IS EXPECTED IN NORMALLY DRY STREAMBEDS DURING THE NEXT THREE HOURS. PERSONS IN LOW-LYING OR FLOOD PRONE AREAS SHOULD MOVE TO HIGHER GROUND. A FLASH FLOOD WARNING MEANS THAT DANGEROUS FLOODING IS IMMINENT OR ALREADY OCCURRING. TAKE NECESSARY ACTIONS TO PROTECT LIFE AND PROPERTY AND CONTINUE PRECAUTIONS UNTIL THE THREAT AND THE WARNING ARE OVER. 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 TO CROSS FLOODED ROADWAYS. ESCAPE RISING WATER BY CLIMBING DIRECTLY TO HIGHER GROUND. NEVER TRY TO OUTRUN 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...LOCAL TV OR RADIO FOR FURTHER NATIONAL WEATHER SERVICE INFORMATION. MATSUDA NATIONAL WEATHER SERVICE HONOLULU
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 5, 4:00 PM HST, 1 hour earlier.
Area forecast discussion, Mar 5, 4:00 PM HST, 1 hour before
HAWAIIAN ISLANDS SYNOPTIC DISCUSSION AND GUIDANCE NATIONAL WEATHER SERVICE HONOLULU HI 4 PM HST TUE MAR 5 2002 SUMMARY...TRADE WINDS WILL STILL BE MOIST THROUGH TOMORROW BUT SHOULD WEAKEN AND TURN DRIER ON THURSDAY. DISCUSSION...THERE ARE TWO RAIN SYSTEMS ON EITHER SIDE OF THE STATE...ONE FROM THE EAST AFFECTING THE BIG ISLAND AND MAUI COUNTY... THE OTHER APPROACHING FROM THE WEST 600 MILES AWAY. DESPITE THE THUNDERSTORMS GENERATED BY TWO UPPER LEVEL TROUGHS...ONE OVER THE ISLANDS AND THE OTHER TO THE FAR TO THE WEST...A DRIER TREND APPEARS TO BE IN STORE FOR THE SECOND HALF OF THIS WEEK. BOTH TROUGHS ARE EXPECTED TO MOVE NORTHEASTWARD AND AWAY FROM THE ISLANDS LEAVING THE STATE UNDER THE EVENTUAL INFLUENCE OF A WARMER AND MORE STABLE MIDLEVEL RIDGE. THIS SHOULD DISCOURAGE THE ARRIVAL OF AN ALREADY WEAK SHEARLINE AS WELL ANY LOCAL THUNDERSTORMS THE LATTER HALF OF THE WEEK. IN THE MEANWHILE THE ISOLATED THUNDERSTORMS OFFSHORE OF HILO STILL WARRANT SOME WATCHING...AND THE SHOWERS OVER THE BIG ISLAND AND MAUI SHOULD SPREAD TO THE OTHER ISLANDS TONIGHT AND TOMORROW BUT TO A LESSER DEGREE. MATSUDA .HFO...WARNINGS.....NONE . WATCHES......NONE . ADVISORIES...NONE
The office that day
Everything else NWS Honolulu, HI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 5, 6:15 PM HST | Flash Flood Warning | HFO | 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.