Alert archive / Texas / Heat Advisories in 2017
Heat Advisory 4, NWS Amarillo, TX
NWS Amarillo, TX issued this heat advisory at Jun 29, 2017, 3:18 AM CDT for Randall County, Texas. It took effect at Jun 29, 2017, 1:00 PM CDT. It was in force for 8 hr.
The area
The counties it named.
The facts
- Issued
- Jun 29, 2017, 3:18 AM CDT (08:18 UTC)
- In effect from
- Jun 29, 2017, 1:00 PM CDT
- Expired
- Jun 29, 2017, 9:00 PM CDT
- In force
- 8 hr
- Issued by
- NWS Amarillo, TX
County Randall County, TX
The radar
The Amarillo radar (KAMA), 34 km from the middle of the area, began a volume at 08:17 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 00:00Z, 8.3 hours before the alert went out and 359 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
- 1583 J/kg
- Mixed-layer CIN
- -42 J/kg
- Mixed-layer LCL
- 2649 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- -2 m²/s²
- 0-3 km storm-relative helicity
- -37 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -1.2
Nearby
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.