Alert archive / Texas / Mesoscale Discussions in 2018
Mesoscale Discussion 498
The Storm Prediction Center issued this mesoscale discussion at May 23, 2018, 12:23 PM MDT for 14 counties in New Mexico; 19 counties in Texas. It was in force for 67 min.
The area
The outline as issued.
The facts
- Issued
- May 23, 2018, 12:23 PM MDT (18:23 UTC)
- Expired
- May 23, 2018, 1:30 PM MDT
- In force
- 67 min
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 20%
All 33 counties
Chaves County, NM, Colfax County, NM, Curry County, NM, De Baca County, NM, Eddy County, NM, Guadalupe County, NM, Harding County, NM, Lea County, NM, Lincoln County, NM, Mora County, NM, Quay County, NM, Roosevelt County, NM, San Miguel County, NM, Union County, NM, Andrews County, TX, Bailey County, TX, Castro County, TX, Cochran County, TX, Culberson County, TX, Dallam County, TX, Deaf Smith County, TX, Gaines County, TX, Hartley County, TX, Hockley County, TX, Lamb County, TX, Loving County, TX, Oldham County, TX, Parmer County, TX, Reeves County, TX, Terry County, TX, Ward County, TX, Winkler County, TX, Yoakum County, TX
The radar
The Cannon AFB radar (KFDX), 67 km from the middle of the area, began a volume at 18:26 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 watches that followed
Watches SPC issued over any of the same counties within four hours of this discussion.
The nearest sounding before it
Albuquerq/Krtlnd, NM (KABQ), launched 12:00Z, 6.4 hours before the alert went out and 243 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
- 3139 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- 26 m²/s²
- 0-3 km storm-relative helicity
- 136 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
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</html>SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 23, 2:14 PM MDT | Severe Thunderstorm Watch | SPC | Chaves, Colfax, Curry, De Baca, Eddy, Guadalupe and 8 more | 7 hr |
| May 23, 5:15 PM MDT | Mesoscale Discussion | SPC | Chaves, Colfax, Curry, De Baca, Eddy, Guadalupe and 8 more | 90 min |
| May 23, 4:47 PM MDT | Mesoscale Discussion | SPC | Armstrong, Carson, Dallam, Deaf Smith, Donley, Gray and 13 more | 118 min |
Nearby
Mesoscale Discussions in Texas, 2018Mesoscale Discussions in New Mexico, 2018Every mesoscale discussion 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.