Alert archive / Texas / High Surf Advisories in 2018
High Surf Advisory 3, NWS Brownsville, TX
NWS Brownsville, TX issued this high surf advisory at Oct 9, 2018, 5:15 AM CDT for Kenedy County, Texas. It was in force for 56 hr.
The area
The counties it named.
The facts
- Issued
- Oct 9, 2018, 5:15 AM CDT (10:15 UTC)
- Expired
- Oct 11, 2018, 1:00 PM CDT
- In force
- 56 hr
- Issued by
- NWS Brownsville, TX
County Kenedy County, TX
The radar
The Corpus Christi radar (KCRP), 96 km from the middle of the area, began a volume at 10:18 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
Del Rio, TX (KDLF), launched 00:00Z, 10.3 hours before the alert went out and 415 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
- 1458 J/kg
- Mixed-layer CIN
- -21 J/kg
- Mixed-layer LCL
- 1090 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 64 m²/s²
- 0-3 km storm-relative helicity
- 93 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 3.0
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 Brownsville, TX wrote its last area forecast discussion before this high surf advisory went out at Oct 9, 4:47 AM CDT, 28 minutes earlier.
Area forecast discussion, Oct 9, 4:47 AM CDT, 28 minutes before
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</html>Hazardous weather outlook, Oct 8, 6:45 PM CDT, 10 hours 30 minutes before
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</html>Nearby
High Surf Advisories in Texas, 2018Every high surf advisory in 2018
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.