Alert archive / Texas / Mesoscale Discussions in 2006
Mesoscale Discussion 621
The Storm Prediction Center issued this mesoscale discussion at Apr 22, 2006, 5:23 PM MDT for 6 counties in New Mexico; 24 counties in Texas. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- Apr 22, 2006, 5:23 PM MDT (23:23 UTC)
- Expired
- Apr 22, 2006, 7:30 PM MDT
- In force
- 2 hr
- Issued by
- the Storm Prediction Center
All 30 counties
Chaves County, NM, Curry County, NM, Eddy County, NM, Lea County, NM, Quay County, NM, Roosevelt County, NM, Andrews County, TX, Bailey County, TX, Castro County, TX, Cochran County, TX, Crane County, TX, Dawson County, TX, Deaf Smith County, TX, Ector County, TX, Gaines County, TX, Hale County, TX, Hockley County, TX, Lamb County, TX, Loving County, TX, Lubbock County, TX, Lynn County, TX, Oldham County, TX, Parmer County, TX, Randall County, TX, Reeves County, TX, Swisher County, TX, Terry County, TX, Ward County, TX, Winkler County, TX, Yoakum County, TX
The radar
The Lubbock radar (KLBB), 140 km from the middle of the area, began a volume at 23:25 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 251 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1847 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 154 m²/s²
- 0-3 km storm-relative helicity
- 194 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 ACUS11 KWNS 222323 SWOMCD SPC MCD 222323 TXZ000-NMZ000-230130- MESOSCALE DISCUSSION 0621 NWS STORM PREDICTION CENTER NORMAN OK 0623 PM CDT SAT APR 22 2006 AREAS AFFECTED...EASTERN NM/WEST TX CONCERNING...SEVERE THUNDERSTORM WATCH 238... VALID 222323Z - 230130Z SEVERE THUNDERSTORM WATCH 238 CONTINUES UNTIL 03Z ACROSS FAR SOUTHEAST NM/SOUTHWEST TX. MONITORING FOR AN ADDITIONAL WATCH ISSUANCE TO THE NORTH/NORTHEAST OF WW 238 INTO WEST/NORTHWEST TX. AS OF 2315Z...SCATTERED STRONG STORMS ARE ONGOING ACROSS EAST CENTRAL/SOUTHEAST NM -- NAMELY ALONG HIGHWAY 285 CORRIDOR FROM SOUTHWEST OF TUCUMCARI TO NEAR ROSWELL/LOVINGTON -- INTO THE PECOS VALLEY/BIG BEND AREA OF SOUTHWEST TX. STORMS ARE LIKELY TO CONTINUE TO DEVELOP NORTHEASTWARD INTO FAR WEST/NORTHWEST TX THROUGH MID EVENING. LOW LEVEL MOISTURE INFLUX VIA SOUTHEASTERLY LOW LEVEL WINDS IS TENDING TO OFFSET VERTICAL MIXING...WITH PERSISTENCE OF LOWER/MIDDLE 50S F DEWPOINTS AS FAR NORTH AS THE LUBBOCK AREA PER THE WEST TX MESONET. LATEST TUCUMCARI PROFILER DATA SUPPORTS EFFECTIVE SHEAR OF 35-40 KTS...FAVORABLE FOR WELL ORGANIZED CLUSTERS/EMBEDDED SUPERCELLS. WHILE LARGE HAIL WILL LIKELY BE THE PRIMARY HAZARD...ONE OR MORE MCS CLUSTERS MAY EVOLVE INTO FAR WEST/NORTHWEST TX...WITH COLD POOL GENERATION/INCREASING SOUTHERLY LOW LEVEL JET POSSIBLY SUPPORTING SOME DAMAGING WIND THREAT AS WELL. ..GUYER.. 04/22/2006 ...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT... ATTN...WFO...LUB...AMA...MAF...ABQ... 33780452 35370380 35580247 34880162 33490139 30940263 30580415 32180452
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 22, 1:52 PM MDT | Mesoscale Discussion | SPC | Chaves, Curry, De Baca, Eddy, Lea, Quay and 1 more | 113 min |
| Apr 22, 2:49 PM MDT | Severe Thunderstorm Watch | SPC | Eddy, Lea | 6 hr |
Nearby
Mesoscale Discussions in Texas, 2006Mesoscale Discussions in New Mexico, 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.