Alert archive / Texas / Mesoscale Discussions in 2012
Mesoscale Discussion 1083
The Storm Prediction Center issued this mesoscale discussion at Jun 6, 2012, 8:49 AM CDT for Garza County, Hale County, Lubbock County, Texas. It was in force for 116 min.
The area
The outline as issued.
The facts
- Issued
- Jun 6, 2012, 8:49 AM CDT (13:49 UTC)
- Expired
- Jun 6, 2012, 10:45 AM CDT
- In force
- 116 min
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 5%
Counties Garza County, TX, Hale County, TX, Lubbock County, TX
The radar
The Lubbock radar (KLBB), 47 km from the middle of the area, began a volume at 13:50 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 nearest sounding before it
Amarillo Airport, TX (KAMA), launched 12:00Z, 1.8 hours before the alert went out and 129 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
- 97 J/kg
- Mixed-layer CIN
- -152 J/kg
- Mixed-layer LCL
- 999 m above ground
- 0-6 km bulk shear
- 1 kt
- 0-1 km storm-relative helicity
- 47 m²/s²
- 0-3 km storm-relative helicity
- 149 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
430 ACUS11 KWNS 061350 SWOMCD SPC MCD 061349 TXZ000-061545- MESOSCALE DISCUSSION 1083 NWS STORM PREDICTION CENTER NORMAN OK 0849 AM CDT WED JUN 06 2012 AREAS AFFECTED...TX PANHANDLE/TX SOUTH PLAINS CONCERNING...SEVERE POTENTIAL...WATCH UNLIKELY VALID 061349Z - 061545Z PROBABILITY OF WATCH ISSUANCE...5 PERCENT SUMMARY...MARGINALLY SEVERE HAIL WILL REMAIN POSSIBLE NEAR THE PLAINVIEW/LUBBOCK AREAS AND SURROUNDING I-27 CORRIDOR THIS MORNING...ALTHOUGH THE HAIL POTENTIAL SHOULD REMAIN MARGINAL/ISOLATED SUCH THAT A SEVERE TSTM WATCH IS UNLIKELY. POTENTIALLY OF MORE CONCERN...HEAVY/TRAINING RAINFALL...WITH RATES LOCALLY IN EXCESS OF 1 IN/HR...WILL CONTINUE THIS MORNING. DISCUSSION...ON THE IMMEDIATE PERIPHERY OF A NEARLY-STALLED/SLOW-MOVING PERSISTENT MCV OVER NORTHWEST TX/TX PANHANDLE...STRONG TO SEVERE CALIBER UPDRAFTS CONTINUE TO REDEVELOP/TRAIN WITHIN A NNW-SSE ORIENTED CORRIDOR ACROSS THE SOUTHERN TX PANHANDLE/TX SOUTH PLAINS THIS MORNING. LIKELY PRESENCE OF STEEP LAPSE RATES/MODEST CAPE ON THE WESTERN PERIPHERY OF THIS COMPLEX IS SUPPORTING STOUT WESTERN-FLANK UPDRAFTS...INCLUDING A TRANSIENT ELEVATED SUPERCELL OR TWO AS PER WEST OF THE PLAINVIEW AREA AS OF 1330Z. SUCH A SCENARIO WILL REMAIN CAPABLE OF MARGINALLY SEVERE HAIL AT LEAST ON A SHORT-TERM/ISOLATED BASIS. LOCALLY HEAVY/TRAINING RAINFALL REMAINS A CONCERN AS WELL ACROSS THE I-27 CORRIDOR INCLUDING AREAS NEAR AND NORTH/EAST OF LUBBOCK. THAT SAID...CURRENT THINKING IS THAT ASSOCIATED MOISTURE TRANSPORT WILL SLOWLY WEAKEN SUCH THAT RAINFALL RATES SHOULD ABATE BY LATE MORNING/MIDDAY. ..GUYER/WEISS.. 06/06/2012 ...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT... ATTN...WFO...LUB...AMA...MAF... LAT...LON 34920218 34450170 32860106 33220185 34920218
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 6, 1:40 PM CDT | Mesoscale Discussion | SPC | Archer, Bosque, Clay, Collin, Cooke, Dallas and 22 more | 2 hr |
| Jun 6, 2:10 PM CDT | Mesoscale Discussion | SPC | Jasper, Newton, Orange | 2 hr |
Nearby
Mesoscale Discussions in Texas, 2012Every mesoscale discussion in 2012
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.