Alert archive / Texas / Mesoscale Discussions in 2016

Mesoscale Discussion 355

April 10, 20168 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at Apr 10, 2016, 8:54 PM CDT for 8 counties in Texas. It was in force for 66 min.

The area

The outline as issued.

The facts

Issued: Apr 10, 2016, 8:54 PM CDT (01:54 UTC)
Expired: Apr 10, 2016, 10:00 PM CDT
In force: 66 min
Issued by: the Storm Prediction Center

Counties Dimmit County, TX, Edwards County, TX, Kinney County, TX, Maverick County, TX, Real County, TX, Uvalde County, TX, Val Verde County, TX, Zavala County, TX

The radar

The Laughlin AFB radar (KDFX), 57 km from the middle of the area, began a volume at 01:53 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

Del Rio, TX (KDLF), launched 00:00Z, 1.9 hours before the alert went out and 68 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1740 J/kg
Mixed-layer CIN: -93 J/kg
Mixed-layer LCL: 1559 m above ground
0-6 km bulk shear: 43 kt
0-1 km storm-relative helicity: -8 m²/s²
0-3 km storm-relative helicity: 90 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 3.5

Open this sounding in Storm Lab

The text

As transmitted.

133 
ACUS11 KWNS 110155
SWOMCD
SPC MCD 110154 
TXZ000-110300-

MESOSCALE DISCUSSION 0355
NWS STORM PREDICTION CENTER NORMAN OK
0854 PM CDT SUN APR 10 2016

AREAS AFFECTED...EDWARDS PLATEAU...RIO GRANDE RIVER VALLEY

CONCERNING...SEVERE THUNDERSTORM WATCH 81...

VALID 110154Z - 110300Z

THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 81
CONTINUES.

SUMMARY...LONE SUPERCELL JUST SE OF DRT WILL CONTINUE TO POSE A HAIL
AND DAMAGING WIND THREAT AS IT MOVES EWD.

DISCUSSION...LONE..DISCRETE SUPERCELL JUST TO THE SE OF DRT WILL
LIKELY CONTINUE EWD OVER THE NEXT HOUR OR TWO WHILE GRADUALLY
WEAKENING AS IT MOVES INTO A MORE HOSTILE ENVIRONMENT. LARGE HAIL
AND DAMAGING WIND GUSTS REMAIN POSSIBLE WITH THIS STORM. UPSCALE
GROWTH OF THIS SUPERCELL IS POSSIBLE WITH A RESULTING TRANSITION TO
MORE OF DAMAGING WIND THREAT AS IT MOVES EWD. SOME ADDITIONAL TSTM
ACTIVITY IS POSSIBLE LATER TONIGHT BUT ANY OF THESE STORMS REACHING
SVR THRESHOLDS APPEARS UNLIKELY AT THIS TIME.

..MOSIER.. 04/11/2016

...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...

ATTN...WFO...CRP...EWX...

LAT...LON   27870130 30230158 30209940 27899916 27870130

SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 10, 7:36 PM CDT	Mesoscale Discussion	SPC	Montague	114 min
Apr 10, 9:31 PM CDT	Mesoscale Discussion	SPC	Archer, Baylor, Childress, Clay, Cooke, Cottle and 19 more	59 min
Apr 10, 9:52 PM CDT	Severe Thunderstorm Watch	SPC	Archer, Baylor, Clay, Cooke, Foard, Hardeman and 4 more	6 hr
Apr 10, 11:06 PM CDT	Mesoscale Discussion	SPC	Atascosa, Bandera, Bexar, Comal, Dimmit, Frio and 9 more	54 min
Apr 11, 6:15 AM CDT	Mesoscale Discussion	SPC	Clay, Collin, Cooke, Delta, Denton, Fannin and 7 more	3 hr
Apr 11, 11:48 AM CDT	Mesoscale Discussion	SPC	Bowie, Cass, Marion	2 hr
Apr 11, 12:39 PM CDT	Mesoscale Discussion	SPC	Archer, Baylor, Camp, Clay, Collin, Cooke and 33 more	2 hr
Apr 11, 1:05 PM CDT	Severe Thunderstorm Watch	SPC	Jasper, Newton, Sabine	6 hr
Apr 11, 1:38 PM CDT	Severe Thunderstorm Watch	SPC	Anderson, Angelina, Bowie, Camp, Cass, Cherokee and 46 more	9 hr
Apr 11, 1:43 PM CDT	Mesoscale Discussion	SPC	Austin, Brazos, Grimes, Hardin, Harris, Liberty and 8 more	3 hr
Apr 11, 3:26 PM CDT	Mesoscale Discussion	SPC	Clay, Collin, Cooke, Dallas, Delta, Denton and 18 more	94 min
Apr 11, 3:42 PM CDT	Mesoscale Discussion	SPC	Newton, Sabine	93 min
Apr 11, 4:49 PM CDT	Mesoscale Discussion	SPC	Collin, Dallas, Denton, Hunt, Rains, Rockwall and 1 more	86 min
Apr 11, 5:27 PM CDT	Mesoscale Discussion	SPC	Archer, Baylor, Fisher, Haskell, Jones, King and 7 more	93 min
Apr 11, 6:09 PM CDT	Mesoscale Discussion	SPC	Newton, Sabine	66 min
Apr 11, 6:58 PM CDT	Severe Thunderstorm Watch	SPC	Cherokee, Nacogdoches, Panola, Rusk, Shelby	5 hr

Nearby

Mesoscale Discussions in Texas, 2016 Every 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.