Alert archive / Texas / Frost Advisories in 2019
Frost Advisory 1, NWS Amarillo, TX
NWS Amarillo, TX issued this frost advisory at Apr 18, 2019, 2:28 PM CDT for Dallam County, Hartley County, Texas; Cimarron County, Oklahoma. It took effect at Apr 19, 2019, 12:00 AM CDT. It was in force for 9 hr.
The area
The counties it named.
The facts
- Issued
- Apr 18, 2019, 2:28 PM CDT (19:28 UTC)
- In effect from
- Apr 19, 2019, 12:00 AM CDT
- Expired
- Apr 19, 2019, 9:00 AM CDT
- In force
- 9 hr
- Issued by
- NWS Amarillo, TX
Counties Cimarron County, OK, Dallam County, TX, Hartley County, TX
The radar
The Amarillo radar (KAMA), 141 km from the middle of the area, began a volume at 19:29 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, 7.5 hours before the alert went out and 289 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
- 1539 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- -232 m²/s²
- 0-3 km storm-relative helicity
- -233 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this frost advisory 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 frost advisory went out at Apr 17, 6:31 PM CDT, 19 hours 57 minutes earlier.
Area forecast discussion, Apr 17, 6:31 PM CDT, 19 hours 57 minutes before
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</html>Hazardous weather outlook, Apr 17, 3:34 PM CDT, 22 hours 54 minutes before
Hazardous Weather Outlook National Weather Service Amarillo TX 334 PM CDT Wed Apr 17 2019 OKZ001>003-TXZ001>020-317-181100- Cimarron-Texas-Beaver-Dallam-Sherman-Hansford-Ochiltree-Lipscomb- Hartley-Moore-Hutchinson-Roberts-Hemphill-Oldham-Potter-Carson- Gray-Wheeler-Deaf Smith-Randall-Armstrong-Donley-Collingsworth- Palo Duro Canyon- 334 PM CDT Wed Apr 17 2019 This Hazardous Weather Outlook is for the Texas and Oklahoma Panhandles. .DAY ONE...Through Tonight. Thunderstorms are expected. Some storms will become strong to severe, with severe storms most likely across the southeastern two-thirds of the Combined Panhandles. Large hail, damaging winds, and heavy rains, possibly leading to localized flooding will all be possible. Additionally, an isolated tornado cannot be ruled out. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. Thunderstorms will be possible Sunday night, and again Monday night and Tuesday. The threat for severe weather with these storms appears minimal at this time. .SPOTTER INFORMATION STATEMENT... Spotters should be ready for activation through this evening. Cockrell
The office that day
Everything else NWS Amarillo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 17, 7:19 PM CDT | Special Weather Statement | AMA | Moore | 26 min |
| Apr 17, 7:35 PM CDT | Areal Flood Advisory | AMA | Carson, Potter | 3 hr |
Nearby
Frost Advisories in Texas, 2019Frost Advisories in Oklahoma, 2019Every frost advisory in 2019
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.