Alert archive / Texas / Mesoscale Discussions in 2016

Mesoscale Discussion 777

May 29, 2016Curry County, Quay County, Roosevelt County, New Mexico; Texas County, Oklahoma; 25 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at May 29, 2016, 11:48 AM MDT for Curry County, Quay County, Roosevelt County, New Mexico; Texas County, Oklahoma; 25 counties in Texas. It was in force for 117 min.

The area

The outline as issued.

The facts

Issued
May 29, 2016, 11:48 AM MDT (17:48 UTC)
Expired
May 29, 2016, 1:45 PM MDT
In force
117 min
Issued by
the Storm Prediction Center
Chance of a watch
40%
All 29 counties

Curry County, NM, Quay County, NM, Roosevelt County, NM, Texas County, OK, Armstrong County, TX, Bailey County, TX, Briscoe County, TX, Carson County, TX, Castro County, TX, Cochran County, TX, Dallam County, TX, Deaf Smith County, TX, Donley County, TX, Floyd County, TX, Gray County, TX, Hale County, TX, Hansford County, TX, Hartley County, TX, Hutchinson County, TX, Lamb County, TX, Moore County, TX, Ochiltree County, TX, Oldham County, TX, Parmer County, TX, Potter County, TX, Randall County, TX, Roberts County, TX, Sherman County, TX, Swisher County, TX

The radar

The Amarillo radar (KAMA), 54 km from the middle of the area, began a volume at 17:50 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

Amarillo Airport, TX (KAMA), launched 12:00Z, 5.8 hours before the alert went out and 54 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.

Skew-T log-pSkew-T log-p diagram, Amarillo Airport, TX at 12:00Z on 2016-05-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 428 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Amarillo Airport, TX at 12:00Z on 2016-05-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 128 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
428 J/kg
Mixed-layer CIN
-344 J/kg
Mixed-layer LCL
1713 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
128 m²/s²
0-3 km storm-relative helicity
155 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.7

Open this sounding in Storm Lab

The text

As transmitted.

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SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 29, 12:53 PM MDTSevere Thunderstorm WatchSPCChaves, Curry, De Baca, Harding, Quay, Roosevelt and 1 more8 hr
May 29, 1:42 PM MDTMesoscale DiscussionSPCEddy, Lea2 hr
May 29, 2:57 PM MDTSevere Thunderstorm WatchSPCEddy, Lea7 hr
May 28, 9:00 PM MDTMesoscale DiscussionSPCCarter, Jefferson, Love60 min
May 29, 6:52 AM MDTMesoscale DiscussionSPCBeckham, Blaine, Caddo, Canadian, Cleveland, Comanche and 15 more2 hr
May 29, 2:31 PM MDTMesoscale DiscussionSPCCraig, Delaware, Mayes, Nowata, Osage, Ottawa and 3 more119 min
May 29, 3:56 PM MDTMesoscale DiscussionSPCCollin, Dallas, Denton, Ellis, Henderson, Hood and 14 more94 min
May 29, 4:21 PM MDTMesoscale DiscussionSPCArcher, Baylor, Cottle, Foard, Hall, Haskell and 10 more114 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.