Alert archive / Hawaii / Flash Flood Warnings in 2001
Flash Flood Warning 12, NWS Honolulu, HI
NWS Honolulu, HI issued this flash flood warning at Oct 24, 2001, 6:15 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
- Oct 24, 2001, 6:15 PM HST (04:15 UTC)
- Expired
- Oct 24, 2001, 9:15 PM HST
- In force
- 3 hr
- Issued by
- NWS Honolulu, HI
- Area
- Whole counties
County Kauai County, HI
The radar
The South Kauai radar (PHKI), 20 km from the middle of the area, began a volume at 04:19 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Lihue, (PHLI), launched 00:00Z, 4.3 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
- 30 J/kg
- Mixed-layer CIN
- -32 J/kg
- Mixed-layer LCL
- 1312 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- 21 m²/s²
- 0-3 km storm-relative helicity
- -6 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 250415 FFWHI FFWHI HIZ003-250715- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE HONOLULU HI 615 PM HST WED OCT 24 2001 THE NATIONAL WEATHER SERVICE IN HONOLULU HAS ISSUED A * FLASH FLOOD WARNING FOR... EAST MAUI INCLUDING THE COMMUNITIES OF...HANA...KIPAHULU AND SEVEN SACRED POOLS AREA * UNTIL 915 PM HST * AT 615 PM HST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED STRONG THUNDERSTORMS CONTINUING OVER THE EAST AND SOUTHEASTERN FLANKS OF HALEAKALA * THUNDERSTORMS WITH EXCESSIVE RAINFALL WILL BE OVER EAST MAUI FOR THE NEXT SEVERAL HOURS. 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 FLOODING IS OCCURRING OR IMMINENT. PERSON ON MAUI SHOULD TAKE IMMEDIATE ACTION TO PROTECT LIFE AND PROPERTY AND SEEK HIGHER GROUND OR REMAIN INDOORS. 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. THIS STORM WILL PRODUCE DANGEROUS LIGHTNING. LIGHTNING IS A LEADING KILLER AND PRECAUTIONS SHOULD BE TAKEN TO AVOID BEING STRUCK BY LIGHTNING. STAY OUT FROM UNDER TALL TREES AND AWAY FROM THE OCEAN AND BEACHES IF LIGHTNING IS OCCURRING. DO NOT TOUCH OR REMAIN CLOSE TO METAL POLES OR FENCES. STAY TUNED TO NOAA WEATHER RADIO...LOCAL TV OR RADIO FOR FURTHER NATIONAL WEATHER SERVICE INFORMATION. FARRELL 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 Oct 24, 3:31 PM HST, 2 hours 44 minutes earlier.
Area forecast discussion, Oct 24, 3:31 PM HST, 2 hours 44 minutes before
NARRATIVE SYNOPTIC DISCUSSION FOR AMERICAN SAMOA AND THE INDEPENDENT STATE OF SAMOA TONIGHT THROUGH FRIDAY... SATELLITE IMAGERY SHOWS A BAND OF CLOUDS WITH WIDELY SCATTERED EMBEDDED SHOWERS IMMEDIATELY TO YOUR SOUTHWEST. THIS SOUTHEAST-NORTHWEST ALIGNED CLOUD BAND IS ABOUT 275 MILES WIDE. IT IS EXPECTED TO MOVE THROUGH YOUR ISLANDS TONIGHT THROUGH THURSDAY. SKIES ARE EXPECTED TO IMPROVE GRADUALLY FRIDAY. VARIABLE WINDS LESS THAN 10 KNOTS TONIGHT THROUGH THURSDAY. SOUTHEAST WINDS NEAR 10 EXPECTED THURSDAY NIGHT AND FRIDAY. 3 TO 5 FT SOUTHWEST SWELL. OUTLOOK FOR SATURDAY THROUGH MONDAY... SOUTHEAST TRADE WINDS 10 TO 15 KNOTS SATURDAY THROUGH MONDAY. EXPECT PARTLY CLOUDY SKIES WITH ISOLATED TRADE SHOWERS. 4 TO 6 FT SOUTHWEST SWELL. NARRATIVE DISCUSSION FOR TUVALU TONIGHT THROUGH SATURDAY...TUVALU TIME... SATELLITE IMAGERY SHOWS AN AREA OF CLOUDINESS WITH ISOLATED EMBEDDED THUNDERSTORMS JUST BEYOND 375 MILES EAST OF TUVALU. THIS AREA HAS REMAINED NEARLY STATIONARY TODAY AND IS EXPECTED TO STAY EAST OF YOUR ISLAND. VERY FEW PATCHES OF LOW CLOUDS SURROUND YOUR IMMEDIATE VICINITY. THUS EXPECT PARTLY CLOUDY SKIES WITH POSSIBLY AN ISOLATED SHOWER. WINDS WILL REMAIN SOUTHEAST TONIGHT BUT TURN EASTERLY LATE TOMORROW (FRIDAY). SPEEDS WILL BE GENERALLY 10 KTS OR LESS BUT INCREASE TO 10 TO 15 KT SATURDAY.
The office that day
Everything else NWS Honolulu, HI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 24, 3:25 PM HST | Flash Flood Warning | HFO | Kauai | 3 hr |
| Oct 24, 6:25 PM HST | Flash Flood Warning | HFO | Kauai | 3 hr |
| Oct 24, 6:50 PM HST | Flash Flood Warning | HFO | Kauai | 3 hr |
Nearby
Flash Flood Warnings in Hawaii, 2001Every flash flood warning in 2001
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; radar from the NEXRAD Level II archive.