Alert archive / Texas / Ice Storm Warnings in 2017
Ice Storm Warning 1, NWS Amarillo, TX
NWS Amarillo, TX issued this ice storm warning at Jan 12, 2017, 4:11 PM CST for 5 counties in Texas; Beaver County, Texas County, Oklahoma. It took effect at Jan 13, 2017, 6:00 AM CST. It was in force for 54 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
- Jan 12, 2017, 4:11 PM CST (22:11 UTC)
- In effect from
- Jan 13, 2017, 6:00 AM CST
- Expired
- Jan 15, 2017, 12:00 PM CST
- In force
- 54 hr
- Issued by
- NWS Amarillo, TX
Counties Beaver County, OK, Texas County, OK, Hemphill County, TX, Lipscomb County, TX, Ochiltree County, TX, Roberts County, TX, Wheeler County, TX
The radar
The Amarillo radar (KAMA), 142 km from the middle of the area, began a volume at 22:11 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, 10.2 hours before the alert went out and 190 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1521 m above ground
- 0-6 km bulk shear
- 87 kt
- 0-1 km storm-relative helicity
- -105 m²/s²
- 0-3 km storm-relative helicity
- -5 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this ice storm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Amarillo, TX wrote its last area forecast discussion before this ice storm warning went out at Jan 11, 4:33 PM CST, 23 hours 38 minutes earlier.
Area forecast discussion, Jan 11, 4:33 PM CST, 23 hours 38 minutes before
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</html>The office that day
Everything else NWS Amarillo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 12, 4:11 PM CST | Freezing Rain Advisory | AMA | Armstrong, Carson, Collingsworth, Dallam, Donley, Gray and 8 more | 3 days |
Nearby
Ice Storm Warnings in Texas, 2017Ice Storm Warnings in Oklahoma, 2017Every ice storm warning in 2017
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.