Alert archive / Oklahoma / Mesoscale Discussions in 2003
Mesoscale Discussion 72
The Storm Prediction Center issued this mesoscale discussion at Feb 15, 2003, 12:31 AM CST for 5 states. It was in force for 119 min.
The area
The outline as issued.
The facts
- Issued
- Feb 15, 2003, 12:31 AM CST (06:31 UTC)
- Expired
- Feb 15, 2003, 2:30 AM CST
- In force
- 119 min
- Issued by
- the Storm Prediction Center
All 52 counties
Benton County, AR, Carroll County, AR, Crawford County, AR, Franklin County, AR, Madison County, AR, Sebastian County, AR, Washington County, AR, Cherokee County, KS, Labette County, KS, Barry County, MO, Jasper County, MO, Lawrence County, MO, McDonald County, MO, Newton County, MO, Stone County, MO, Adair County, OK, Cherokee County, OK, Craig County, OK, Creek County, OK, Delaware County, OK, Haskell County, OK, Hughes County, OK, Latimer County, OK, LeFlore County, OK, Lincoln County, OK, Mayes County, OK, McIntosh County, OK, Muskogee County, OK, Nowata County, OK, Okfuskee County, OK, Okmulgee County, OK, Ottawa County, OK, Pittsburg County, OK, Rogers County, OK, Seminole County, OK, Sequoyah County, OK, Tulsa County, OK, Wagoner County, OK, Washington County, OK, Atascosa County, TX, Bexar County, TX, Brooks County, TX, Duval County, TX, Frio County, TX, Jim Hogg County, TX, Jim Wells County, TX, La Salle County, TX, Live Oak County, TX, McMullen County, TX, Medina County, TX, Webb County, TX, Zapata County, TX
The radar
The Dallas/Ft Worth radar (KFWS), 62 km from the middle of the area, began a volume at 06:33 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
Fort Worth, TX (KFWD), launched 00:00Z, 6.5 hours before the alert went out and 48 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
- 1504 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 757 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 109 m²/s²
- 0-3 km storm-relative helicity
- 155 m²/s²
- Significant tornado parameter
- 0.7
- Supercell composite
- 4.1
The text
As transmitted, in the capitals the NWS used until 2016.
174 ACUS11 KWNS 150631 SWOMCD SPC MCD 150631 TXZ000-150830- MESOSCALE DISCUSSION 0072 NWS STORM PREDICTION CENTER NORMAN OK 1231 AM CST SAT FEB 15 2003 AREAS AFFECTED...SRN TX CONCERNING...SEVERE THUNDERSTORM POTENTIAL VALID 150631Z - 150830Z STRENGTHENING THUNDERSTORMS OVER SRN TX MAY PRODUCE ISOLATED LARGE HAIL AND DAMAGING WINDS. WILL CONTINUE TO MONITOR CONVECTIVE TRENDS. REGIONAL RADAR DATA SHOWS TSTMS INTENSIFYING FROM MEDINA COUNTY SWWD INTO WEBB COUNTY. THIS ACTIVITY IS MOVING INTO LOW LEVEL INSTABILITY AXIS CHARACTERIZED BY SBCAPES OF 1000-1500 J/KG. CURRENT EWX VWP DATA SHOWS RELATIVELY STRONG UPPER LEVEL WINDS...HOWEVER A PRONOUNCED WEAKNESS EXISTS IN WIND PROFILE FROM 2.5-5 KM...WHICH MAY LIMIT OVERALL CONVECTIVE STRENGTH. ALTHOUGH ISOLATED LARGE HAIL AND DAMAGING WINDS ARE POSSIBLE...A WW IS NOT ANTICIPATED AT THIS TIME. ..MEAD/DARROW.. 02/15/2003 ...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT... 35899705 36279666 36639632 36879603 37059569 37119558 37219531 37399477 37149384 36799338 36319334 35859354 35159413 34639514 34529602 34839689 35589700 28849965 29409938 29709874 29299819 28639795 27559804 26869816 26589852 26679894 27039929 27649950 28609970
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 14, 6:57 PM CST | Mesoscale Discussion | SPC | Little River | 2 hr |
| Feb 14, 7:37 PM CST | Mesoscale Discussion | SPC | Little River | 113 min |
| Feb 14, 11:09 PM CST | Mesoscale Discussion | SPC | Benton, Carroll, Crawford, Franklin, Madison, Sebastian and 1 more | 2 hr |
| Feb 14, 11:20 PM CST | Severe Thunderstorm Watch | SPC | Benton, Carroll, Crawford, Franklin, Madison, Sebastian and 1 more | 6 hr |
| Feb 15, 3:15 AM CST | Mesoscale Discussion | SPC | Benton, Carroll, Crawford, Madison, Sebastian, Washington | 60 min |
| Feb 14, 8:26 PM CST | Mesoscale Discussion | SPC | Allen, Anderson, Bourbon, Chautauqua, Cherokee, Coffey and 13 more | 2 hr |
| Feb 14, 9:12 PM CST | Mesoscale Discussion | SPC | Atascosa, Bandera, Bee, Bexar, Caldwell, Comal and 22 more | 2 hr |
| Feb 14, 10:16 PM CST | Mesoscale Discussion | SPC | Atascosa, Bandera, Bastrop, Bee, Bell, Bexar and 40 more | 119 min |
| Feb 15, 4:12 AM CST | Mesoscale Discussion | SPC | Refugio | 3 hr |
| Feb 15, 4:35 AM CST | Severe Thunderstorm Watch | SPC | Brooks, Cameron, Duval, Hidalgo, Jim Hogg, Jim Wells and 6 more | 4 hr |
| Feb 15, 6:48 AM CST | Mesoscale Discussion | SPC | Brooks, Cameron, Duval, Hidalgo, Jim Hogg, Jim Wells and 6 more | 87 min |
| Feb 15, 2:47 PM CST | Mesoscale Discussion | SPC | Atascosa, Bee, DeWitt, Goliad, Jim Wells, Karnes and 6 more | 118 min |
Nearby
Mesoscale Discussions in Oklahoma, 2003Mesoscale Discussions in Texas, 2003Mesoscale Discussions in Arkansas, 2003Every mesoscale discussion in 2003
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.