Alert archive / Hawaii / High Surf Advisories in 2012
High Surf Advisory 44, NWS Honolulu, HI
NWS Honolulu, HI issued this high surf advisory at Dec 26, 2012, 3:48 PM HST for Honolulu County, Kauai County, Kalawao County, Hawaii. It took effect at Dec 27, 2012, 6:00 AM HST. It was in force for 33 hr.
The area
The counties it named.
The facts
- Issued
- Dec 26, 2012, 3:48 PM HST (01:48 UTC)
- In effect from
- Dec 27, 2012, 6:00 AM HST
- Expired
- Dec 28, 2012, 2:34 PM HST
- In force
- 33 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 01:51 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, 1.8 hours before the alert went out and 127 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
- 18 J/kg
- Mixed-layer CIN
- -4 J/kg
- Mixed-layer LCL
- 845 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 4 m²/s²
- 0-3 km storm-relative helicity
- 27 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The office that day
Everything else NWS Honolulu, HI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 26, 3:48 PM HST | High Surf Warning | HFO | Honolulu, Kauai, Kalawao | 39 hr |
Nearby
High Surf Advisories in Hawaii, 2012Every high surf advisory in 2012
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.