Alert archive / Hawaii / High Surf Warnings in 2019
High Surf Warning 8, NWS Honolulu, HI
NWS Honolulu, HI issued this high surf warning at Mar 16, 2019, 3:51 PM HST for Honolulu County, Kauai County, Kalawao County, Hawaii. It took effect at Mar 17, 2019, 12:00 AM HST. It was in force for 52 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 16, 2019, 3:51 PM HST (01:51 UTC)
- In effect from
- Mar 17, 2019, 12:00 AM HST
- Expired
- Mar 19, 2019, 3:55 AM HST
- In force
- 52 hr
- Issued by
- NWS Honolulu, HI
Counties Honolulu County, HI, Kalawao County, HI, Kauai County, HI
The radar
The Molokai radar (PHMO), 116 km from the middle of the area, began a volume at 01:54 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, 1.9 hours before the alert went out and 391 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1451 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 20 m²/s²
- 0-3 km storm-relative helicity
- 85 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this high surf 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 high surf warning went out at Mar 16, 3:50 PM HST, 1 minute earlier.
Area forecast discussion, Mar 16, 3:50 PM HST, 1 minute 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 |
|---|---|---|---|---|
| Mar 16, 3:40 PM HST | Wind Advisory | HFO | Hawaii | 24 hr |
| Mar 16, 3:54 PM HST | Small Craft Advisory | HFO | 71 hr |
Nearby
High Surf Warnings in Hawaii, 2019Every high surf warning in 2019
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.