Alert archive / Texas / Mesoscale Discussions in 2005

Mesoscale Discussion 752

May 6, 20055 states

The Storm Prediction Center issued this mesoscale discussion at May 6, 2005, 8:11 PM MDT for 5 states. It was in force for 64 min.

The area

The outline as issued.

The facts

Issued
May 6, 2005, 8:11 PM MDT (02:11 UTC)
Expired
May 6, 2005, 9:15 PM MDT
In force
64 min
Issued by
the Storm Prediction Center
All 44 counties

Baca County, CO, Finney County, KS, Grant County, KS, Gray County, KS, Hamilton County, KS, Haskell County, KS, Kearny County, KS, Meade County, KS, Morton County, KS, Seward County, KS, Stanton County, KS, Stevens County, KS, Curry County, NM, Lea County, NM, Quay County, NM, Roosevelt County, NM, Beaver County, OK, 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, Gaines County, TX, Hale County, TX, Hansford County, TX, Hartley County, TX, Hockley 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, Terry County, TX, Yoakum County, TX

The radar

The Amarillo radar (KAMA), 78 km from the middle of the area, began a volume at 02:13 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 00:00Z, 2.2 hours before the alert went out and 79 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 00:00Z on 2005-05-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 821 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 00:00Z on 2005-05-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 84 square meters per square second.193958Sfc1 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
821 J/kg
Mixed-layer CIN
-74 J/kg
Mixed-layer LCL
1523 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
84 m²/s²
0-3 km storm-relative helicity
204 m²/s²
Significant tornado parameter
0.1
Supercell composite
1.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
ACUS11 KWNS 070211
SWOMCD
SPC MCD 070211 
KSZ000-TXZ000-OKZ000-COZ000-NMZ000-070315-

MESOSCALE DISCUSSION 0752
NWS STORM PREDICTION CENTER NORMAN OK
0911 PM CDT FRI MAY 06 2005

AREAS AFFECTED...NE NM...SE CO...WRN OK AND TX PNHDLS

CONCERNING...SEVERE THUNDERSTORM WATCH 221...

VALID 070211Z - 070315Z

CURRENT INDICATIONS ARE WW MAY BE ALLOWED TO EXPIRE AS SCHEDULED AT
03Z.

INTENSE CONVECTION NEAR LEE SURFACE TROUGH ACROSS THE SOUTHERN HIGH
PLAINS IS SLOWER TO DIMINISH.  FORCING ASSOCIATED WITH SHORT WAVE
ROUNDING BASE OF SOUTHERN PLATEAU UPPER TROUGH MAY BE ENHANCING THIS
ACTIVITY...WHICH MAY REMAIN STRONG/SEVERE FOR AN HOUR OR TWO BEYOND
03Z...AS IT SPREADS ACROSS PARTS OF THE OKLAHOMA/TEXAS PANHANDLES
INTO SOUTHWEST KANSAS. AS NEAR SURFACE INVERSION DEEPENS WITH
CONTINUED RADIATIONAL COOLING...SEVERE THREAT SHOULD BECOME LIMITED
TO LARGE HAIL...AND THIS RISK WILL DIMINISH WITH EASTWARD
PROGRESSION INTO COOLER/POTENTIALLY LESS UNSTABLE ENVIRONMENT EAST
OF THE HIGH PLAINS.

..KERR.. 05/07/2005

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

ATTN...WFO...DDC...GLD...LUB...AMA...MAF...PUB...ABQ...

36020348 37000339 37910248 38300106 37959989 36360045
34250165 33030204 32330318 32500401 33090454 34750361

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 7, 12:15 PM MDTMesoscale DiscussionSPCBarton, Clark, Comanche, Decatur, Edwards, Ellis and 20 more3 hr
May 7, 2:20 PM MDTSevere Thunderstorm WatchSPCBarber, Barton, Clark, Comanche, Edwards, Ellis and 24 more6 hr
May 7, 4:40 PM MDTSevere Thunderstorm WatchSPCBeaver, Beckham, Dewey, Ellis, Greer, Harmon and 4 more6 hr
May 7, 3:58 PM MDTMesoscale DiscussionSPCCottle, Dickens, Fisher, Hall, Haskell, Jones and 7 more62 min
May 7, 5:53 PM MDTMesoscale DiscussionSPCCoke, Concho, Crockett, Irion, Mitchell, Nolan and 6 more37 min

Nearby

Mesoscale Discussions in Texas, 2005Mesoscale Discussions in Kansas, 2005Mesoscale Discussions in New Mexico, 2005Every mesoscale discussion in 2005

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.