Alert archive / Texas / Freeze Warnings in 2018

Freeze Warning 9, NWS Corpus Christi, TX

November 13, 201814 counties in Texas

NWS Corpus Christi, TX issued this freeze warning at Nov 13, 2018, 4:35 AM CST for 14 counties in Texas. It took effect at Nov 14, 2018, 12:00 AM CST. It was in force for 9 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: Nov 13, 2018, 4:35 AM CST (10:35 UTC)
In effect from: Nov 14, 2018, 12:00 AM CST
Expired: Nov 14, 2018, 9:00 AM CST
In force: 9 hr
Issued by: NWS Corpus Christi, TX

Counties Bee County, TX, Calhoun County, TX, Duval County, TX, Goliad County, TX, Jim Wells County, TX, Kleberg County, TX, La Salle County, TX, Live Oak County, TX, McMullen County, TX, Nueces County, TX, Refugio County, TX, San Patricio County, TX, Victoria County, TX, Webb County, TX

The radar

The Corpus Christi radar (KCRP), 54 km from the middle of the area, began a volume at 10:35 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

Brownsville Intl, TX (KBRO), launched 00:00Z, 10.6 hours before the alert went out and 254 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 616 m above ground
0-6 km bulk shear: 63 kt
0-1 km storm-relative helicity: -151 m²/s²
0-3 km storm-relative helicity: 39 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this freeze warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Corpus Christi, TX wrote its last area forecast discussion before this freeze warning went out at Nov 12, 3:53 PM CST, 12 hours 42 minutes earlier.

Area forecast discussion, Nov 12, 3:53 PM CST, 12 hours 42 minutes before

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Hazardous weather outlook, Nov 12, 4:08 PM CST, 12 hours 27 minutes before

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The office that day

Everything else NWS Corpus Christi, TX issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Nov 13, 4:25 AM CST	Small Craft Advisory	CRP		32 hr
Nov 13, 2:19 PM CST	Wind Chill Advisory	CRP	Aransas, Calhoun, Kleberg, Nueces, Refugio, San Patricio and 1 more	18 hr

Nearby

Freeze Warnings in Texas, 2018 Every freeze warning 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.