UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101812.upa.cvt Date: 1200Z 18 OCT 25 Searching for OI738... Searching the city database file for: OI738 ... Date:1200Z 18 OCT 25 Station: OI738 WMO ident: 40738 ------------------------------------------------------------------------------- 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 1021 -10 27.0 16.0 51 11.0 19.6 180 6 298.4 300.4 292.0 331.2 11.26 1 1010 85 25.0 13.0 47 12.0 17.4 193 6 297.3 299.0 290.1 324.5 9.35 2 1000 172 24.2 13.2 50 11.0 17.2 205 6 297.4 299.1 290.3 325.2 9.57 3 925 847 17.4 11.4 68 6.0 13.7 270 5 297.1 298.8 289.9 323.8 9.19 4 850 1603 11.4 6.5 72 4.9 8.6 55 6 298.1 299.4 288.5 319.1 7.16 5 824 1878 8.0 1.0 61 7.0 4.5 30 7 297.2 298.1 286.0 311.9 4.99 6 810 2028 8.4 5.1 80 3.3 6.6 17 7 299.0 300.3 288.5 319.1 6.81 7 802 2115 8.0 -3.0 46 11.0 2.8 9 7 299.5 300.2 285.7 311.0 3.82 8 801 2126 7.8 4.3 78 3.5 5.9 8 8 299.4 300.5 288.3 318.6 6.51 9 759 2598 8.8 -5.2 37 14.0 2.3 325 9 305.1 305.7 287.3 315.7 3.42 10 757 2621 9.4 -7.6 29 17.0 1.8 322 9 306.0 306.5 287.1 314.9 2.85 11 700 3300 4.0 -13.0 28 17.0 -2.5 260 11 306.9 307.3 286.5 313.3 2.01 12 583 4680 -4.5 -31.5 10 27.0 -10.8 279 19 313.5 313.6 287.1 315.1 0.47 13 500 5810 -13.3 -31.3 20 18.0 -17.1 295 26 316.8 316.9 288.3 318.8 0.56 14 400 7470 -24.5 -41.5 19 17.0 -26.6 295 29 323.1 323.2 290.0 324.1 0.25 15 300 9500 -40.9 -55.9 18 15.0 -41.6 270 42 327.7 327.7 291.2 328.0 0.07 16 250 10710 -50.9 -63.9 20 13.0 -51.2 270 48 330.4 330.4 291.9 330.5 0.03 17 227 11334 -55.7 -66.7 24 11.0 -55.9 270 50 332.3 332.3 292.4 332.4 0.02 18 222 11476 -56.3 -68.3 21 12.0 -56.5 270 50 333.5 333.5 292.7 333.6 0.02 19 200 12140 -57.5 -69.5 20 12.0 -57.7 270 56 341.7 341.7 294.7 341.8 0.02 20 187 12567 -56.3 -68.3 21 12.0 -56.5 267 62 350.3 350.3 296.7 350.4 0.02 21 176 12952 -57.7 -69.7 20 12.0 -57.9 265 68 354.1 354.1 297.5 354.2 0.02 22 168 13247 -56.1 -69.1 18 13.0 -56.3 263 72 361.5 361.5 299.0 361.6 0.02 23 157 13679 -56.0 -69.0 18 13.0 -56.2 260 78 368.8 368.8 300.4 368.9 0.02 24 150 13970 -55.9 -68.9 18 13.0 -56.2 265 77 373.8 373.8 301.2 373.9 0.02 25 120 15371 -63.1 -82.1 6 19.0 -63.3 273 67 385.2 385.2 303.1 385.2 0.00 26 115 15634 -62.5 -82.5 5 20.0 -62.7 275 65 391.0 391.0 303.9 391.0 0.00 27 111 15852 -63.5 -83.5 5 20.0 -63.7 276 63 393.1 393.1 304.2 393.1 0.00 28 101 16430 -66.3 -87.3 4 21.0 -66.4 280 58 398.5 398.5 305.0 398.5 0.00 29 100 16490 -66.5 -87.5 4 21.0 -66.6 280 58 399.2 399.2 305.1 399.2 0.00 30 90 17129 -67.1 -88.1 4 21.0 -67.2 271 51 410.3 410.3 306.5 410.3 0.00 31 84 17549 -64.7 -87.7 3 23.0 -64.9 265 47 423.3 423.3 308.1 423.3 0.00 32 70 18660 -66.5 -91.5 2 25.0 -66.7 250 35 442.1 442.1 310.1 442.1 0.00 33 67 18927 -66.9 -91.9 2 25.0 -67.1 249 32 446.8 446.8 310.6 446.8 0.00 34 50 20720 -64.3 -90.3 2 26.0 -64.6 245 13 492.0 492.0 314.4 492.0 0.00 35 48 20972 -64.7 -89.7 2 25.0 -65.0 247 13 496.8 496.8 314.7 496.8 0.00 36 30 23910 -58.3 -85.3 2 27.0 -59.4 270 19 585.7 585.7 319.9 585.8 0.01 37 20 26510 -54.1 -81.1 2 27.0 -56.5 270 30 670.6 670.6 323.4 670.8 0.03 38 15 28351 -55.3 -81.3 3 26.0 -57.9 724.1 724.1 325.2 724.4 0.04 39 12 29792 -49.9 -77.9 2 28.0 -54.8 790.9 791.0 327.0 791.7 0.08 TRP 222 11476 -56.3 -68.3 21 12.0 -56.5 270 50 333.5 333.5 292.7 333.6 0.02 WND 157 13679 -56.0 -69.0 18 13.0 -56.2 260 78 368.8 368.8 300.4 368.9 0.02 Sounding variables and indices 1000-500 mb thick: 5638.00 m Freezing level: 644.94 mb = 3949.25 m = 12956.71 ft Wetbulb zero: 732.86 mb = 2901.94 m = 9520.67 ft Precipitable water: 0.96 inches Sfc-500 mean rel hum: 37.42 % Est. max temperature: 26.44 C = 79.60 F Sfc-Lift cond lev (LCL): 869.49 mb = 1400.33 m = 4594.20 ft T: 13.01 C 700-500 lapse rate: 6.89 C/km ThetaE index: 13.24 C Layer 925.0- 810.0 mb Conv cond level (CCL): 842.69 mb = 1679.35 m = 5509.60 ft Mean mixing ratio: 9.47 g/kg Conv temperature: 26.46 C = 79.63 F Cap Strength: 3.64 C Lifted Index: 0.51 C Risk: Showers probable Lifted Index @300 mb: 2.73 C Lifted Index @700 mb: 1.64 C Showalter Index: 3.61 C Risk: None Total Totals Index: 44.50 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.70 C Cross Totals Index: 19.80 C K Index: 14.20 Risk: None Sweat Index: 116.00 Risk: None Energy Index: -0.07 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 10.02 J/kg Max Up Vert Vel: 4.48 m/s Conv Inhibition (B-): 10.45 J/kg Cap Strength: 3.36 C Lift Cond Lev (LCL): 849.45 mb = 1608.73 m = 5277.91 ft Lev Free Conv (LFC): 834.45 mb = 1766.15 m = 5794.40 ft Equ Level (EL): 794.45 mb = 2197.86 m = 7210.75 ft B at Equ Level: 9.59 J/kg Max Parcel Lev (MPL): 774.45 mb = 2421.16 m = 7943.33 ft Wind level data Storm motion: 314 at 10 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 1021 -10 180 6 0.0 6.0 | 151 14 -7.0 12.6 1 1000 172 205 6 2.5 5.4 | 160 13 -4.5 12.1 2 925 847 270 5 5.0 -0.0 | 163 7 -2.0 6.6 3 850 1603 55 6 -4.9 -3.4 | 105 12 -11.9 3.2 4 700 3300 260 11 10.8 1.9 | 204 9 3.8 8.6 5 500 5810 295 26 23.6 -11.0 | 285 17 16.6 -4.3 6 400 7470 295 29 26.3 -12.3 | 286 20 19.3 -5.6 7 300 9500 270 42 42.0 -0.0 | 259 36 35.0 6.6 8 250 10710 270 48 48.0 -0.0 | 261 42 41.0 6.6 9 222 11476 270 50 50.0 -0.0 | 261 44 43.0 6.6 10 200 12140 270 56 56.0 -0.0 | 262 49 49.0 6.6 11 157 13679 260 78 76.8 13.5 | 254 73 69.8 20.2 12 150 13970 265 77 76.7 6.7 | 259 71 69.7 13.4 13 100 16490 280 58 57.1 -10.1 | 274 50 50.1 -3.4 14 70 18660 250 35 32.9 12.0 | 234 32 25.9 18.6 15 50 20720 245 13 11.8 5.5 | 202 13 4.8 12.1 16 30 23910 270 19 19.0 -0.0 | 241 14 12.0 6.6 17 20 26510 270 30 30.0 -0.0 | 254 24 23.0 6.6 Wind Parameters Mean winds (0-6000m): 283.5 at 12.9 knts Storm direction: 313.5 at 9.6 knts Shear (0-3000m) pos: 1.9 neg: 2.2 tot: 4.2 10-3/s Storm rel Dir Shear (0-3000m): 65.5 deg Storm rel helicity (0-3000m) pos: 15.7 neg: -21.2 tot: -5.5 m^2/s^2 ave: -1.8 10^-3 m/s^2 rel: -0.10 Storm rel vorticity (0-3000m) horiz: 7.0 stream: -0.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.48 Bulk Shear: 20.96 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 ------------------------------------------------------------------------------- 500 209 6 161 12| 5.6 0.0 5.6| 11.5 0.0 11.5 23.0 0.59| 5.9 3.5 1000 232 6 165 10| 4.9 0.0 4.9| 11.8 -2.8 9.0 9.0 0.15| 5.8 0.9 1500 248 6 168 9| 3.9 0.0 3.9| 12.7 -8.8 3.9 2.6 -0.12| 7.1 -0.9 2000 278 6 167 6| 2.9 0.5 3.4| 15.3 -17.0 -1.7 -0.8 -0.17| 6.8 -1.1 2500 323 6 118 4| 2.3 1.6 3.9| 15.3 -21.1 -5.7 -2.3 -0.20| 6.8 -1.4 3000 296 7 166 4| 1.9 2.2 4.2| 15.7 -21.2 -5.5 -1.8 -0.10| 7.0 -0.7 4000 267 8 189 7| 1.6 2.1 3.7| 27.3 -23.9 3.5 0.9 -0.02| 6.5 -0.2 5000 274 10 209 7| 1.9 1.7 3.6| 48.8 -23.9 24.9 5.0 0.10| 6.0 0.6 6000 284 13 237 7| 2.2 1.4 3.6| 72.6 -23.9 48.7 8.1 0.18| 5.6 1.0 Wrote GIF file: /home/apache/climate/data/raob//OI738/skewt/OI738.skewt.20251018.12.gif