Alert archive / Texas / Frost Advisories in 2014

Frost Advisory 4, NWS Amarillo, TX

November 4, 2014Gray County, Wheeler County, Texas

NWS Amarillo, TX issued this frost advisory at Nov 4, 2014, 3:15 PM CST for Gray County, Wheeler County, Texas. It took effect at Nov 5, 2014, 3:00 AM CST. It was in force for .

The area

The counties it named.

The facts

Issued
Nov 4, 2014, 3:15 PM CST (21:15 UTC)
In effect from
Nov 5, 2014, 3:00 AM CST
Expired
Nov 4, 2014, 11:32 PM CST
In force
Issued by
NWS Amarillo, TX

Counties Gray County, TX, Wheeler County, TX

The radar

The Amarillo radar (KAMA), 108 km from the middle of the area, began a volume at 21:15 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

Dodge City, (KDDC), launched 12:00Z, 9.3 hours before the alert went out and 270 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-pSkew-T log-p diagram, Dodge City, at 12:00Z on 2014-11-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Dodge City, at 12:00Z on 2014-11-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -95 square meters per square second.1939587897117136156Sfc1 km3 km6 km9 kmRMLM
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
1273 m above ground
0-6 km bulk shear
84 kt
0-1 km storm-relative helicity
-95 m²/s²
0-3 km storm-relative helicity
-53 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 4, 3:15 PM CSTFreeze WarningAMAArmstrong, Carson, Dallam, Deaf Smith, Hansford, Hartley and 10 more8 hr

Nearby

Frost Advisories in Texas, 2014Every frost advisory in 2014

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.