Alert archive / Hawaii / Flash Flood Warnings in 2001
Flash Flood Warning 15, NWS Honolulu, HI
NWS Honolulu, HI issued this flash flood warning at Nov 26, 2001, 7:05 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
- Nov 26, 2001, 7:05 PM HST (05:05 UTC)
- Expired
- Nov 26, 2001, 10:05 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 05:08 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, 5.1 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
- 2267 J/kg
- Mixed-layer CIN
- -6 J/kg
- Mixed-layer LCL
- 759 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 76 m²/s²
- 0-3 km storm-relative helicity
- 141 m²/s²
- Significant tornado parameter
- 1.1
- Supercell composite
- 7.3
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGHW50 PHFO 270506 FFWHI HIZ001-270805- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE HONOLULU HI 705 PM HST MON NOV 26 2001 THE NATIONAL WEATHER SERVICE IN HONOLULU HAS ISSUED A * FLASH FLOOD WARNING FOR... KAUAI INCLUDING THE COMMUNITIES OF...KOKEE...KEKAHA AND THE SOUTHWESTERN PORTION OF KAUAI * UNTIL 1005 PM HST * AT 705 PM HST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED STRONG THUNDERSTORMS DEVELOPING JUST OFFSHORE KEKAHA ON KAUAI AND MOVING NORTHWARD ACROSS WESTERN KAUAI * THUNDERSTORMS WITH EXCESSIVE RAINFALL WILL BE NEAR KEKAHA AND KOKEE AND WAIMEA CANYON ON KAUAI 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 KAUAI SHOULD TAKE IMMEDIATE ACTION TO PROTECT LIFE AND PROPERTY AND SEEK HIGHER GROUND OR REMAIN INDOORS. A RAIN GAGE AT KOKEE IN KOKEE STATE PARK REPORTED RAINFALL IN EXCESS OF .50 PER HOUR IN THE 15 MINUTES ENDING AT 7 PM. RAINFALL FOR THE PAST HOUR AT THIS GAGE WAS 1.42 INCHES. ADDITIONAL STORMS APPEAR TO BE FORMING SOUTH OF KEKAHA ON THE SOUTHWEST COAST OF KAUAI AND MOVING NORTHWARD OVER THE SAME AREA. TRAINING OF HEAVY SHOWERS AND THUNDERSTORMS CAN LEAD TO FLASH FLOODING...AND SO FLASH FLOODING IS EXPECTED IN THIS PART OF KAUAI. 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. FARRELL NATIONAL WEATHER SERVICE HONOLULU
1 follow-up statement
000 WGHW70 PHFO 270746 FFSHI HIZ001-270840- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE HONOLULU HI 940 PM HST MON NOV 26 2001 ...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR KAUAI HAS BEEN CANCELLED... HEAVY RAINFALL HAS EASED OFF OVER SOUTHWEST KAUAI...AND OVER KAUAI GENERALLY. THE HEAVIEST SHOWERS HAVE MOVED OUT INTO THE KAUAI CHANNEL AT THIS TIME. KOKEE...IN SOUTHWEST KAUAI...RECEIVED 3.59 INCHES OF RAINFALL IN THE SIX HOURS ENDED AT 915 PM THIS EVENING... 5.65 INCHES IN THE PAST 24 HOURS. RAINFALL IS QUITE LIGHT IN THIS AREA NOW...AND THUS THE FLASH FLOOD WARNING FOR SOUTHWEST KAUAI IS CANCELLED. THE FLASH FLOOD WATCH CONTINUES FOR KAUAI...AND ALL THE HAWAIIAN ISLANDS...UNTIL 4 AM HST TUESDAY MORNING. STAY TUNED TO NOAA WEATHER RADIO...LOCAL TV OR RADIO FOR FURTHER NATIONAL WEATHER SERVICE INFORMATION. FARRELL
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 Nov 26, 4:00 PM HST, 3 hours 5 minutes earlier.
Area forecast discussion, Nov 26, 4:00 PM HST, 3 hours 5 minutes before
HAWAIIAN ISLANDS SYNOPTIC DISCUSSION AND GUIDANCE NATIONAL WEATHER SERVICE HONOLULU HI 4 PM HST MON NOV 26 2001 SUMMARY...LOW PRESSURE FORMING WEST OF KAUAI WILL BRING SHOWERS AND ISOLATED THUNDERSTORMS UP OVER THE STATE. INTERMITTENT HEAVY RAIN IS FALLING ON THE SOUTHERN HALF OF THE BIG ISLAND...AND MAY REACH THE REST OF THE STATE LATE TONIGHT AND TUESDAY. DISCUSSION...A KONA LOW HAS NOT YET FORMED IN THE TROUGH WEST OF THE STATE. SOUTHERLY FLOW EAST OF THE TROUGH BOTH AT THE SURFACE AND ALOFT WILL HOWEVER CONTINUE TO BRING MOISTURE LADEN AIR UP OVER THE ISLANDS. SHOWERS AND ISOLATED THUNDERSTORMS CONTINUE TO MOVE UP OVER KAU PUNA AND HILO. THEY ARE DISORGANIZED AND INTERMITTENT...AND BECAUSE THEY ARE MOVING TO THE NORTH AT ABOUT 20 MPH...POSE NO IMMEDIATE THREAT OF HEAVY FLOODING. WILL HOWEVER EXTEND THE FLOOD WATCH FOR THE BIG ISLAND UNTIL 4 AM TUESDAY IN CASE THINGS CHANGE. KAUAI WILL LIKELY SEE HEAVY RAIN TONIGHT AS A COLD FRONT WITH HEAVY SHOWERS AND THUNDERSTORMS WEST OF THE ISLAND MOVES SLOWLY TO THE EAST. STRONG SOUTHWEST WINDS JUST AHEAD OF THE FRONT MAY LAST THROUGH THE NIGHT BECAUSE THE FRONT MAY NOT GET PAST THE ISLANDS. A WIND ADVISORY IS IN EFFECT FOR KAUAI BECAUSE OF THE BRISK WINDS. HAVE ALSO EXTENDED THE FLOOD WATCH FOR KAUAI UNTIL 4 AM BECAUSE OF THE HEAVY RAIN TO THE WEST. THE OTHER ISLANDS HAVE YET TO SEE ANY SIGNIFICANT RAIN. BUT MAY DO SO IN THE NEXT 24 HOURS OR SO. AN UPPER LEVEL LOW IS FORECAST TO FORM ABOUT 400 MILES WEST OF KAUAI TUESDAY AT WHICH POINT THE HEAVY SHOWERS AND THUNDERSTORMS COULD ORGANIZE INTO FLOOD THREATENING NORTH TO SOUTH LINES. WHERE THE LINES WILL FORM IS PROBLEMATIC AT PRESENT...SO AM UNABLE TO SAY WHICH ISLAND WILL HAVE PROBLEMS. CRAIG. .PHFO.....WARNINGS.....NONE . WATCHES......FLOOD FOR KAUAI AND THE BIG ISLAND . ADVISORIES...SMALL CRAFT...HIGH SURF NORTHWEST SHORES . WIND KAUAI . OUTLOOKS.....HYDROLOGIC FOR REMAINDER OF THE STATE
The office that day
Everything else NWS Honolulu, HI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 27, 2:05 AM HST | Flash Flood Warning | HFO | 3 hr | |
| Nov 27, 3:40 AM HST | Flash Flood Warning | HFO | 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.