Alert archive / Texas / Mesoscale Discussions in 2012
Mesoscale Discussion 94
The Storm Prediction Center issued this mesoscale discussion at Feb 2, 2012, 9:48 PM CST for Barber County, Comanche County, Kansas; 17 counties in Oklahoma; 22 counties in Texas. It was in force for 117 min.
The area
The outline as issued.
The facts
- Issued
- Feb 2, 2012, 9:48 PM CST (03:48 UTC)
- Expired
- Feb 2, 2012, 11:45 PM CST
- In force
- 117 min
- Issued by
- the Storm Prediction Center
All 41 counties
Barber County, KS, Comanche County, KS, Alfalfa County, OK, Beaver County, OK, Beckham County, OK, Blaine County, OK, Custer County, OK, Dewey County, OK, Ellis County, OK, Greer County, OK, Harmon County, OK, Harper County, OK, Jackson County, OK, Kiowa County, OK, Major County, OK, Roger Mills County, OK, Washita County, OK, Woods County, OK, Woodward County, OK, Armstrong County, TX, Briscoe County, TX, Carson County, TX, Childress County, TX, Collingsworth County, TX, Cottle County, TX, Donley County, TX, Floyd County, TX, Gray County, TX, Hale County, TX, Hall County, TX, Hardeman County, TX, Hemphill County, TX, Hutchinson County, TX, Lamb County, TX, Lipscomb County, TX, Motley County, TX, Ochiltree County, TX, Randall County, TX, Roberts County, TX, Swisher County, TX, Wheeler County, TX
The radar
The Amarillo radar (KAMA), 118 km from the middle of the area, began a volume at 03:47 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, 3.8 hours before the alert went out and 117 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
- 692 m above ground
- 0-6 km bulk shear
- 80 kt
- 0-1 km storm-relative helicity
- 317 m²/s²
- 0-3 km storm-relative helicity
- 390 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
847
ACUS11 KWNS 030349
SWOMCD
SPC MCD 030348
OKZ000-KSZ000-TXZ000-030545-
MESOSCALE DISCUSSION 0094
NWS STORM PREDICTION CENTER NORMAN OK
0948 PM CST THU FEB 02 2012
AREAS AFFECTED...THE TX PANHANDLE AND PORTIONS OF THE S PLAINS INTO
ADJACENT WRN OK/SWRN KS
CONCERNING...SEVERE THUNDERSTORM WATCH 23...
VALID 030348Z - 030545Z
THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 23
CONTINUES.
STORMS -- AND ISOLATED SEVERE POTENTIAL -- CONTINUE IN/NEAR WW 23.
STORMS HAVE SLOWLY INCREASED IN ORGANIZATION AND INTENSITY OVER THE
PAST COUPLE OF HOURS...WITH MORE RAPID DEVELOPMENT NOW ONGOING FROM
NEAR AMA SSWWD TO BAILEY CO TX...ON THE WRN FRINGE OF MODEST
INSTABILITY AXIS EXTENDING FROM THE TX PANHANDLE EWD INTO WRN OK. A
FEW STRONGER/SEVERE STORMS HAVE PRODUCED 1" HAIL OVER THE PAST HOUR
AND A HALF...AND EXPECT ADDITIONAL SEVERE STORMS TO EVOLVE WITH TIME
GIVEN MODEST CAPE BUT STRONG 0-6 KM BULK SHEAR VALUES.
A FEW STRONGER CELLS HAVE MOVED NEWD OUT OF THE WW INTO WOODS CO
OK/BARBER CO KS...WHERE MARGINALLY SEVERE HAIL IS POSSIBLE.
HOWEVER...WITH STORMS MOVING INTO AN INCREASINGLY LESS UNSTABLE
ENVIRONMENT INTO S CENTRAL KS...NEW WW IS NOT ANTICIPATED NE OF THE
CURRENT WATCH.
..GOSS.. 02/03/2012
...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...ICT...OUN...DDC...LUB...AMA...
LAT...LON 33900254 34640206 35730171 37110013 37679839 36469809
35029864 34149970 33900254SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 2, 6:08 PM CST | Mesoscale Discussion | SPC | Cheyenne, Sherman | 4 hr |
| Feb 2, 11:44 PM CST | Mesoscale Discussion | SPC | Barber, Harper, Kingman | 91 min |
| Feb 3, 2:00 AM CST | Mesoscale Discussion | SPC | Sumner | 60 min |
| Feb 3, 3:45 AM CST | Mesoscale Discussion | SPC | Cheyenne | 4 hr |
| Feb 2, 7:08 PM CST | Mesoscale Discussion | SPC | Beckham, Blaine, Caddo, Canadian, Comanche, Custer and 13 more | 67 min |
| Feb 2, 7:38 PM CST | Severe Thunderstorm Watch | SPC | Beckham, Blaine, Caddo, Canadian, Comanche, Cotton and 16 more | 7 hr |
| Feb 3, 2:25 AM CST | Tornado Watch | SPC | Beckham, Blaine, Caddo, Canadian, Comanche, Cotton and 16 more | 8 hr |
| Feb 3, 7:15 AM CST | Mesoscale Discussion | SPC | Beckham, Caddo, Canadian, Comanche, Cotton, Custer and 8 more | 90 min |
| Feb 3, 9:42 AM CST | Mesoscale Discussion | SPC | Caddo, Comanche, Cotton, Greer, Harmon, Jackson and 3 more | 63 min |
| Feb 3, 11:59 AM CST | Mesoscale Discussion | SPC | Carter, Comanche, Cotton, Garvin, Grady, Jefferson and 3 more | 91 min |
| Feb 3, 12:26 PM CST | Tornado Watch | SPC | Atoka, Bryan, Carter, Comanche, Cotton, Garvin and 8 more | 8 hr |
| Feb 3, 3:17 PM CST | Mesoscale Discussion | SPC | Carter, Garvin, Jefferson, Johnston, Love, Marshall and 1 more | 88 min |
| Feb 3, 5:41 PM CST | Mesoscale Discussion | SPC | Atoka, Bryan, Carter, Coal, Garvin, Hughes and 8 more | 2 hr |
| Feb 3, 6:35 AM CST | Mesoscale Discussion | SPC | Jasper, Newton, Sabine, Tyler | 115 min |
Nearby
Mesoscale Discussions in Texas, 2012Mesoscale Discussions in Oklahoma, 2012Mesoscale Discussions in Kansas, 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.