UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121812.upa.cvt Date: 1200Z 18 DEC 25 Searching for OMAA... Searching the city database file for: OMAA ... Date:1200Z 18 DEC 25 Station: OMAA WMO ident: 41217 Latitude: 24.43 Longitude: 54.65 Elevation: 27.00 ------------------------------------------------------------------------------- LEV PRES HGHT TEMP DEWP RH DD WETB DIR SPD THETA THE-V THE-W THE-E W mb m C C % C C deg knt K K K K g/kg ------------------------------------------------------------------------------- SFC 1009 27 29.2 16.2 45 13.0 20.4 150 10 301.6 303.7 293.2 335.6 11.55 1 1000 111 28.0 16.0 48 12.0 19.9 170 8 301.1 303.3 293.0 335.0 11.50 2 925 795 21.0 15.0 69 6.0 17.0 160 12 300.8 302.9 293.1 335.1 11.67 3 850 1520 14.4 11.9 85 2.5 12.8 160 16 301.2 303.1 292.2 331.8 10.35 4 848 1540 14.2 11.9 86 2.3 12.7 160 16 301.2 303.1 292.2 331.8 10.38 5 803 1998 10.4 9.5 94 0.9 9.9 169 19 301.9 303.6 291.6 329.5 9.32 6 762 2434 7.8 5.8 87 2.0 6.6 177 21 303.7 305.1 290.7 326.5 7.61 7 700 3130 3.4 -1.6 70 5.0 0.9 190 25 306.2 307.2 289.1 321.2 4.86 8 698 3153 3.2 -2.8 65 6.0 0.3 190 25 306.3 307.1 288.8 320.0 4.46 9 665 3544 0.4 -2.4 81 2.8 -1.0 197 30 307.4 308.3 289.5 322.3 4.82 10 612 4205 -3.9 -11.9 54 8.0 -7.0 208 37 309.8 310.3 288.1 317.9 2.51 11 601 4348 -4.1 -46.1 2 42.0 -11.1 210 39 311.2 311.2 285.9 311.6 0.10 12 560 4902 -7.7 -31.7 13 24.0 -13.0 220 46 313.3 313.4 287.1 315.0 0.48 13 549 5056 -6.7 -42.7 4 36.0 -13.0 222 47 316.3 316.3 287.7 316.9 0.16 14 500 5780 -11.7 -35.7 12 24.0 -16.3 235 56 318.8 318.8 288.8 320.1 0.36 15 477 6139 -13.9 -34.9 15 21.0 -17.9 234 62 320.4 320.5 289.3 321.9 0.41 16 462 6380 -15.7 -28.7 32 13.0 -18.6 233 66 321.1 321.2 289.9 323.8 0.77 17 460 6413 -15.9 -22.9 55 7.0 -17.8 233 66 321.2 321.5 290.5 325.8 1.32 18 447 6628 -17.5 -19.0 88 1.5 -18.0 232 70 321.9 322.2 291.2 328.3 1.91 19 434 6848 -19.3 -19.7 97 0.4 -19.4 232 73 322.3 322.7 291.3 328.6 1.85 20 418 7126 -20.1 -24.7 67 4.6 -21.2 231 78 324.8 325.0 291.5 329.1 1.23 21 400 7450 -22.9 -25.9 76 3.0 -23.6 230 83 325.2 325.5 291.5 329.3 1.16 22 375 7919 -27.1 -28.4 89 1.3 -27.3 230 83 325.7 325.9 291.5 329.2 0.98 23 370 8015 -27.9 -30.5 78 2.6 -28.3 230 82 325.9 326.1 291.4 328.8 0.82 24 364 8132 -28.1 -67.1 1 39.0 -30.3 230 82 327.2 327.2 290.9 327.2 0.01 25 346 8494 -30.5 -60.5 4 30.0 -32.3 230 82 328.7 328.7 291.4 328.8 0.03 26 300 9490 -38.9 -61.9 7 23.0 -39.9 230 81 330.5 330.5 291.9 330.7 0.03 27 280 9958 -43.3 -63.3 9 20.0 -44.0 228 85 330.8 330.8 292.0 330.9 0.03 28 259 10477 -48.1 -56.1 39 8.0 -48.4 226 89 331.2 331.2 292.1 331.5 0.07 29 251 10684 -48.5 -65.5 12 17.0 -48.9 225 91 333.6 333.6 292.7 333.7 0.02 30 250 10710 -48.7 -65.7 12 17.0 -49.1 225 91 333.7 333.7 292.7 333.8 0.02 31 205 11986 -60.5 -67.5 39 7.0 -60.6 229 91 334.6 334.6 293.0 334.7 0.02 32 200 12140 -60.9 -70.9 26 10.0 -61.0 230 91 336.3 336.3 293.4 336.4 0.01 33 198 12202 -61.1 -72.1 22 11.0 -61.2 230 92 337.0 337.0 293.6 337.0 0.01 34 164 13356 -63.0 -80.0 8 17.0 -63.1 235 115 352.4 352.4 297.1 352.4 0.00 35 154 13740 -63.7 -82.7 6 19.0 -63.8 242 101 357.6 357.6 298.2 357.7 0.00 36 150 13900 -64.3 -82.3 7 18.0 -64.4 245 95 359.3 359.3 298.5 359.3 0.00 37 136 14497 -66.9 -83.9 7 17.0 -67.0 245 88 364.9 364.9 299.7 364.9 0.00 38 130 14771 -65.1 -86.1 4 21.0 -65.2 245 85 372.9 372.9 301.1 372.9 0.00 39 108 15891 -69.9 -87.9 6 18.0 -70.0 245 73 384.1 384.1 302.9 384.1 0.00 40 100 16350 -69.5 -88.5 5 19.0 -69.6 250 57 393.4 393.4 304.3 393.5 0.00 TRP 108 15891 -69.9 -87.9 6 18.0 -70.0 245 73 384.1 384.1 302.9 384.1 0.00 WND 164 13356 -63.0 -80.0 8 17.0 -63.1 235 115 352.4 352.4 297.1 352.4 0.00 Sounding variables and indices 1000-500 mb thick: 5669.00 m Freezing level: 660.07 mb = 3605.25 m = 11828.12 ft Wetbulb zero: 689.99 mb = 3246.23 m = 10650.23 ft Precipitable water: 1.40 inches Sfc-500 mean rel hum: 55.89 % Est. max temperature: 28.81 C = 83.85 F Sfc-Lift cond lev (LCL): 835.15 mb = 1668.32 m = 5473.43 ft T: 13.14 C 700-500 lapse rate: 5.70 C/km ThetaE index: 11.80 C Layer 803.0- 665.0 mb Conv cond level (CCL): 837.80 mb = 1641.61 m = 5385.80 ft Mean mixing ratio: 11.57 g/kg Conv temperature: 29.00 C = 84.21 F Cap Strength: 0.31 C Lifted Index: -2.81 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -1.77 C Lifted Index @700 mb: -2.65 C Showalter Index: -1.29 C Risk: Thunderstorms probable Total Totals Index: 49.70 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 26.10 C Cross Totals Index: 23.60 C K Index: 33.00 Risk: 60-80 % chance of thunderstorms Sweat Index: 390.54 Risk: Showers and thunderstorms possible Energy Index: -2.32 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 875.43 J/kg Max Up Vert Vel: 41.84 m/s Conv Inhibition (B-): 2.69 J/kg Cap Strength: 0.60 C Lift Cond Lev (LCL): 842.86 mb = 1591.08 m = 5220.03 ft Lev Free Conv (LFC): 827.86 mb = 1742.02 m = 5715.23 ft Equ Level (EL): 207.86 mb = 11896.80 m = 39031.02 ft B at Equ Level: 874.39 J/kg Max Parcel Lev (MPL): 137.86 mb = 14414.48 m = 47291.03 ft Wind level data Storm motion: 239 at 22 knt ---------------------------------------------------------- TRUE/GROUND REL | STORM REL LEV P H DIR SPD U V | DIR SPD U V mb m knt m/s | knt m/s ---------------------------------------------------------- 0 1009 27 150 10 -5.0 8.7 | 84 24 -23.8 -2.6 1 1000 111 170 8 -1.4 7.9 | 81 20 -20.2 -3.4 2 925 795 160 12 -4.1 11.3 | 90 23 -22.9 0.0 3 850 1520 160 16 -5.5 15.0 | 99 25 -24.3 3.8 4 700 3130 190 25 4.3 24.6 | 133 20 -14.5 13.4 5 500 5780 235 56 45.9 32.1 | 232 34 27.1 20.9 6 400 7450 230 83 63.6 53.4 | 227 61 44.8 42.1 7 300 9490 230 81 62.0 52.1 | 227 59 43.2 40.8 8 250 10710 225 91 64.3 64.3 | 221 70 45.5 53.1 9 200 12140 230 91 69.7 58.5 | 227 69 50.9 47.3 10 164 13356 235 115 94.2 66.0 | 234 93 75.4 54.7 11 150 13900 245 95 86.1 40.1 | 247 73 67.3 28.9 12 108 15891 245 73 66.2 30.9 | 247 51 47.3 19.6 13 100 16350 250 57 53.6 19.5 | 257 36 34.7 8.3 Wind Parameters Mean winds (0-6000m): 209.1 at 29.2 knts Storm direction: 239.1 at 21.9 knts Shear (0-3000m) pos: 2.8 neg: 0.5 tot: 3.3 10-3/s Storm rel Dir Shear (0-3000m): 46.3 deg Storm rel helicity (0-3000m) pos: 115.3 neg: -6.8 tot: 108.5 m^2/s^2 ave: 36.2 10^-3 m/s^2 rel: 0.73 Storm rel vorticity (0-3000m) horiz: 4.3 stream: 3.1 10^-3/s Energy-Hel index: 0.37 Bulk Rich Number: 12.01 Bulk Shear: 72.86 m/s Storm Parameters ------------------------------------------------------------------------------- Depth Mean Inflow| Shear | Helicity | Vorticity AGL Dir Spd Dir Spd| Pos Neg Tot| Pos Neg Tot Ave Rel | Hor Strm m knt knt| 10^-3/s | m^2/s^2 m/s^2 | 10^-3/s ------------------------------------------------------------------------------- 500 165 9 84 21| 2.6 0.0 2.6| 12.2 -6.8 5.4 10.9 0.17| 6.3 1.1 1000 163 11 87 22| 1.3 1.5 2.8| 27.1 -6.8 20.3 20.3 0.38| 4.7 1.8 1500 161 12 90 23| 1.4 1.0 2.4| 42.9 -6.8 36.1 24.1 0.50| 4.1 2.1 2000 163 13 94 23| 2.1 0.8 2.8| 67.1 -6.8 60.3 30.2 0.62| 4.1 2.5 2500 166 15 98 23| 2.5 0.6 3.1| 91.4 -6.8 84.6 33.8 0.68| 4.2 2.9 3000 171 16 103 22| 2.8 0.5 3.3|115.3 -6.8 108.5 36.2 0.73| 4.3 3.1 4000 182 19 114 20| 3.9 0.4 4.3|190.4 -6.8 183.6 45.9 0.82| 5.0 4.1 5000 195 24 134 17| 4.6 0.3 5.0|290.1 -6.8 283.3 56.7 0.86| 5.8 5.0 6000 209 29 162 15| 5.2 0.3 5.4|390.7 -11.2 379.5 63.2 0.81| 6.4 5.2 Wrote GIF file: /home/apache/climate/data/raob//OMAA/skewt/OMAA.skewt.20251218.12.gif