Alert archive / Texas / Mesoscale Discussions in 2006
Mesoscale Discussion 721
The Storm Prediction Center issued this mesoscale discussion at May 2, 2006, 2:22 PM CDT for Seward County, Stevens County, Kansas; 12 counties in Oklahoma; 53 counties in Texas. It was in force for 23 min.
The area
The outline as issued.
The facts
- Issued
- May 2, 2006, 2:22 PM CDT (19:22 UTC)
- Expired
- May 2, 2006, 2:45 PM CDT
- In force
- 23 min
- Issued by
- the Storm Prediction Center
All 67 counties
Seward County, KS, Stevens County, KS, Beaver County, OK, Beckham County, OK, Custer County, OK, Dewey County, OK, Ellis County, OK, Greer County, OK, Harmon County, OK, Harper County, OK, Jackson County, OK, Roger Mills County, OK, Texas County, OK, Woodward County, OK, Armstrong County, TX, Baylor County, TX, Borden County, TX, Briscoe County, TX, Callahan County, TX, Carson County, TX, Childress County, TX, Coke County, TX, Coleman County, TX, Collingsworth County, TX, Cottle County, TX, Crosby County, TX, Dickens County, TX, Donley County, TX, Fisher County, TX, Floyd County, TX, Foard County, TX, Garza County, TX, Glasscock County, TX, Gray County, TX, Hale County, TX, Hall County, TX, Hansford County, TX, Hardeman County, TX, Haskell County, TX, Hemphill County, TX, Howard County, TX, Hutchinson County, TX, Jones County, TX, Kent County, TX, King County, TX, Knox County, TX, Lipscomb County, TX, Lubbock County, TX, Lynn County, TX, Mitchell County, TX, Moore County, TX, Motley County, TX, Nolan County, TX, Ochiltree County, TX, Potter County, TX, Randall County, TX, Roberts County, TX, Runnels County, TX, Scurry County, TX, Shackelford County, TX, Sterling County, TX, Stonewall County, TX, Swisher County, TX, Taylor County, TX, Throckmorton County, TX, Wheeler County, TX, Wilbarger County, TX
The radar
The Lubbock radar (KLBB), 118 km from the middle of the area, began a volume at 19:19 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
Fort Sill, OK (KFSI), launched 12:00Z, 7.4 hours before the alert went out and 215 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
- 186 J/kg
- Mixed-layer CIN
- -368 J/kg
- Mixed-layer LCL
- 1076 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 130 m²/s²
- 0-3 km storm-relative helicity
- 153 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 ACUS11 KWNS 021922 SWOMCD SPC MCD 021922 OKZ000-TXZ000-KSZ000-021945- MESOSCALE DISCUSSION 0721 NWS STORM PREDICTION CENTER NORMAN OK 0222 PM CDT TUE MAY 02 2006 AREAS AFFECTED...PARTS OF W/NW TX INTO TX/OK PANHANDLES...WRN OK AND SWRN KS CONCERNING...SEVERE THUNDERSTORM POTENTIAL VALID 021922Z - 021945Z ONE OR TWO TORNADO WATCHES WILL BE REQUIRED SOON ACROSS PARTS OF W/NW TX NWD THROUGH THE TX/OK PANHANDLES AND WRN OK/SWRN KS. LOW-LEVEL MOISTURE /SURFACE DEWPOINTS IN THE LOWER 60S/ CONTINUES TO RETURN NWD THROUGH NW TX INTO ERN TX/OK PANHANDLES AND WRN OK... ALONG/E OF THE DRY LINE. LATEST VIS IMAGERY INDICATED CU HAS DEVELOPED WITHIN DEEPLY MIXED BOUNDARY LAYER. TCU RECENTLY FORMED SE OF AMA INDICATIVE OF WEAKENING INHIBITION AS SURFACE TEMPERATURES REACH CONVECTIVE VALUES AROUND 90 F. INCREASING LARGE SCALE ASCENT AHEAD OF APPROACHING SHORT WAVE TROUGH WILL FURTHER ENHANCE LIKELIHOOD FOR DEEP MOIST CONVECTION. VERY STRONG INSTABILITY COMBINED WITH INCREASING DEEP LAYER SHEAR AND LOW-LEVEL SHEAR NEAR DRY LINE AND CONVECTIVE OUTFLOW BOUNDARIES WILL SUPPORT ROTATING STORMS WITH ATTENDANT THREATS OF VERY LARGE HAIL AND TORNADOES. ..PETERS.. 05/02/2006 ...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT... ATTN...WFO...OUN...DDC...SJT...LUB...AMA...MAF... 31540156 32960201 34910219 37240155 37199932 36159896 33469907 31339940
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 1, 7:51 PM CDT | Mesoscale Discussion | SPC | Carter, Cotton, Jefferson, Johnston, Love, Marshall and 3 more | 84 min |
| May 2, 12:50 AM CDT | Mesoscale Discussion | SPC | Adair, Carter, Cherokee, Cleveland, Coal, Creek and 21 more | 115 min |
| May 2, 1:02 AM CDT | Severe Thunderstorm Watch | SPC | Adair, Atoka, Carter, Cherokee, Cleveland, Coal and 28 more | 9 hr |
| May 2, 1:55 AM CDT | Severe Thunderstorm Watch | SPC | Bryan, Cotton, Jefferson, Stephens | 8 hr |
| May 2, 3:52 AM CDT | Mesoscale Discussion | SPC | Adair, Atoka, Bryan, Carter, Cherokee, Choctaw and 32 more | 113 min |
| May 2, 7:38 AM CDT | Mesoscale Discussion | SPC | Atoka, Bryan, Carter, Choctaw, Coal, Cotton and 13 more | 97 min |
| May 2, 1:45 PM CDT | Mesoscale Discussion | SPC | Atoka, Bryan, Carter, Choctaw, Coal, Garvin and 10 more | 90 min |
| May 2, 2:39 PM CDT | Tornado Watch | SPC | Beckham, Ellis, Greer, Harmon, Jackson, Roger Mills | 8 hr |
| May 2, 5:26 PM CDT | Mesoscale Discussion | SPC | Beckham, Blaine, Caddo, Comanche, Cotton, Custer and 10 more | 94 min |
| May 2, 5:42 PM CDT | Tornado Watch | SPC | Alfalfa, Blaine, Caddo, Comanche, Cotton, Custer and 8 more | 5 hr |
| May 2, 6:30 PM CDT | Mesoscale Discussion | SPC | Beaver, Beckham, Blaine, Caddo, Carter, Comanche and 16 more | 90 min |
| May 2, 3:17 PM CDT | Mesoscale Discussion | SPC | Austin, Bastrop, Blanco, Brazos, Burleson, Burnet and 25 more | 118 min |
Nearby
Mesoscale Discussions in Texas, 2006Mesoscale Discussions in Oklahoma, 2006Mesoscale Discussions in Kansas, 2006Every mesoscale discussion in 2006
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.