Alert archive / Hawaii / High Surf Advisories in 2013
High Surf Advisory 8, NWS Honolulu, HI
NWS Honolulu, HI issued this high surf advisory at Jan 31, 2013, 3:29 AM HST for Honolulu County, Kauai County, Kalawao County, Hawaii. It took effect at Jan 31, 2013, 12:00 PM HST. It was in force for .
The area
The counties it named.
The facts
- Issued
- Jan 31, 2013, 3:29 AM HST (13:29 UTC)
- In effect from
- Jan 31, 2013, 12:00 PM HST
- Expired
- Jan 31, 2013, 9:24 AM HST
- In force
- 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 13:32 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 12:00Z, 1.5 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
- 11 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 801 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- -41 m²/s²
- 0-3 km storm-relative helicity
- -17 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 advisory 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 advisory went out at Jan 30, 8:35 PM HST, 6 hours 54 minutes earlier.
Area forecast discussion, Jan 30, 8:35 PM HST, 6 hours 54 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 |
|---|---|---|---|---|
| Jan 31, 6:32 AM HST | Areal Flood Advisory | HFO | Kalawao | 6 hr |
| Jan 31, 8:55 AM HST | High Surf Warning | HFO | Honolulu, Kauai, Kalawao | 31 hr |
| Jan 31, 8:55 AM HST | High Surf Advisory | HFO | Hawaii, Honolulu, Kauai, Kalawao | 42 hr |
| Jan 31, 11:34 AM HST | Areal Flood Advisory | HFO | Kalawao | 3 hr |
Nearby
High Surf Advisories in Hawaii, 2013Every high surf advisory in 2013
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.