Alert archive / Texas / Mesoscale Discussions in 2016
Mesoscale Discussion 670
The Storm Prediction Center issued this mesoscale discussion at May 21, 2016, 5:26 PM MDT for 4 counties in New Mexico; Cimarron County, Texas County, Oklahoma; 24 counties in Texas. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- May 21, 2016, 5:26 PM MDT (23:26 UTC)
- Expired
- May 21, 2016, 7:30 PM MDT
- In force
- 2 hr
- Issued by
- the Storm Prediction Center
All 30 counties
Curry County, NM, Quay County, NM, Roosevelt County, NM, Union County, NM, Cimarron County, OK, Texas County, OK, Armstrong County, TX, Bailey County, TX, Carson County, TX, Castro County, TX, Cochran County, TX, Dallam County, TX, Deaf Smith County, TX, Hale County, TX, Hansford County, TX, Hartley County, TX, Hockley County, TX, Hutchinson County, TX, Lamb County, TX, Lubbock County, TX, Lynn County, TX, Moore County, TX, Oldham County, TX, Parmer County, TX, Potter County, TX, Randall County, TX, Sherman County, TX, Swisher County, TX, Terry County, TX, Yoakum County, TX
The radar
The Cannon AFB radar (KFDX), 71 km from the middle of the area, began a volume at 23:29 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
Amarillo Airport, TX (KAMA), launched 12:00Z, 11.4 hours before the alert went out and 116 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
- 536 J/kg
- Mixed-layer CIN
- -258 J/kg
- Mixed-layer LCL
- 1579 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- 6 m²/s²
- 0-3 km storm-relative helicity
- 109 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 21, 1:43 PM MDT | Severe Thunderstorm Watch | SPC | Curry, Quay, Roosevelt, Union | 7 hr |
| May 21, 1:25 PM MDT | Mesoscale Discussion | SPC | Texas | 95 min |
| May 21, 10:35 AM MDT | Mesoscale Discussion | SPC | Austin, Brazoria, Brazos, Burleson, Chambers, Colorado and 10 more | 85 min |
| May 21, 1:50 PM MDT | Mesoscale Discussion | SPC | Brewster, Loving, Presidio, Reeves | 85 min |
Nearby
Mesoscale Discussions in Texas, 2016Mesoscale Discussions in New Mexico, 2016Mesoscale Discussions in Oklahoma, 2016Every mesoscale discussion in 2016
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.