Alert archive / Hawaii / Flash Flood Warnings in 2024
Flash Flood Warning 14, NWS Honolulu, HI
NWS Honolulu, HI issued this flash flood warning at May 11, 2024, 8:14 PM HST for Kalawao County, Hawaii. It was in force for 2 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
- May 11, 2024, 8:14 PM HST (06:14 UTC)
- Expired
- May 11, 2024, 10:30 PM HST
- In force
- 2 hr
- 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 06:16 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, 6.2 hours before the alert went out and 263 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
- 70 J/kg
- Mixed-layer CIN
- -5 J/kg
- Mixed-layer LCL
- 811 m above ground
- 0-6 km bulk shear
- 6 kt
- 0-1 km storm-relative helicity
- -8 m²/s²
- 0-3 km storm-relative helicity
- 54 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 May 11, 9:29 AM HST, 10 hours 45 minutes earlier.
Area forecast discussion, May 11, 9:29 AM HST, 10 hours 45 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 |
|---|---|---|---|---|
| May 11, 2:44 PM HST | Areal Flood Advisory | HFO | Honolulu | 2 hr |
| May 11, 3:36 PM HST | Areal Flood Advisory | HFO | Hawaii | 58 min |
| May 11, 4:07 PM HST | Flash Flood Warning | HFO | Honolulu | 60 min |
| May 11, 5:21 PM HST | Areal Flood Advisory | HFO | Honolulu | 3 hr |
| May 11, 7:33 PM HST | Areal Flood Advisory | HFO | Kalawao | 41 min |
| May 11, 8:26 PM HST | Special Weather Statement | HFO | 64 min | |
| May 11, 8:29 PM HST | Special Marine Warning | HFO | 93 min | |
| May 11, 9:03 PM HST | Areal Flood Advisory | HFO | Hawaii | 5 hr |
| May 11, 9:43 PM HST | Special Marine Warning | HFO | 2 hr | |
| May 11, 10:30 PM HST | Areal Flood Advisory | HFO | Kalawao | 108 min |
| May 12, 8:59 AM HST | Areal Flood Advisory | HFO | Honolulu | 3 hr |
| May 12, 9:24 AM HST | Flash Flood Warning | HFO | Honolulu | 3 hr |
| May 12, 12:54 PM HST | Areal Flood Advisory | HFO | Hawaii | 3 hr |
| May 12, 12:58 PM HST | Areal Flood Advisory | HFO | Honolulu | 3 hr |
Nearby
Flash Flood Warnings in Hawaii, 2024Every flash flood warning in 2024
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.