Alert archive / Hawaii / Flash Flood Warnings in 2022
Flash Flood Warning 10, NWS Honolulu, HI
NWS Honolulu, HI issued this flash flood warning at Nov 17, 2022, 9:02 PM HST for Kalawao County, Hawaii. It was in force for 107 min. 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 17, 2022, 9:02 PM HST (07:02 UTC)
- Expired
- Nov 17, 2022, 10:49 PM HST
- In force
- 107 min
- Issued by
- NWS Honolulu, HI
- Area
- Storm-based polygon
- Flood severity
- None
County Kalawao County, HI
The radar
The Molokai radar (PHMO), 24 km from the middle of the area, began a volume at 07:05 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
Hilo, (PITO), launched 00:00Z, 7.0 hours before the alert went out and 261 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
- 1311 J/kg
- Mixed-layer CIN
- -6 J/kg
- Mixed-layer LCL
- 930 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 77 m²/s²
- 0-3 km storm-relative helicity
- 83 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 3.3
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 17, 8:36 PM HST, 26 minutes earlier.
Area forecast discussion, Nov 17, 8:36 PM HST, 26 minutes before
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</html>The office that day
Everything else NWS Honolulu, HI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 17, 5:25 PM HST | Areal Flood Advisory | HFO | Kalawao | 105 min |
| Nov 17, 6:48 PM HST | Special Marine Warning | HFO | 42 min | |
| Nov 17, 7:02 PM HST | Special Marine Warning | HFO | 118 min | |
| Nov 17, 7:06 PM HST | Flash Flood Warning | HFO | Kalawao | 5 hr |
| Nov 17, 8:05 PM HST | Special Marine Warning | HFO | 37 min | |
| Nov 17, 8:15 PM HST | Special Marine Warning | HFO | 109 min | |
| Nov 17, 8:46 PM HST | Areal Flood Advisory | HFO | Kalawao | 17 min |
| Nov 18, 3:50 AM HST | Special Marine Warning | HFO | 55 min | |
| Nov 18, 4:33 AM HST | Areal Flood Advisory | HFO | Kalawao | 3 hr |
Nearby
Flash Flood Warnings in Hawaii, 2022Every flash flood warning in 2022
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.