UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025123012.upa.cvt Date: 1200Z 30 DEC 25 Searching for OI738... Searching the city database file for: OI738 ... Date:1200Z 30 DEC 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 1014 129 9.0 2.0 61 7.0 5.7 270 4 281.0 281.8 278.2 293.1 4.35 1 1000 244 8.2 1.2 61 7.0 5.0 300 21 281.4 282.1 278.1 293.0 4.17 2 925 671 3.8 -4.2 56 8.0 0.5 300 21 283.2 283.7 277.6 291.8 3.02 3 850 1830 -0.9 -8.9 55 8.0 -3.7 300 21 285.2 285.6 277.6 291.9 2.29 4 809 2117 -4.7 -13.7 49 9.0 -7.4 299 22 285.2 285.5 276.7 290.1 1.64 5 700 2958 -13.7 -16.7 78 3.0 -14.5 295 23 287.3 287.6 277.5 291.7 1.48 6 699 2969 -13.7 -16.7 78 3.0 -14.5 295 23 287.4 287.7 277.6 291.9 1.48 7 500 5430 -30.9 -33.8 76 2.9 -31.2 220 20 295.4 295.4 279.9 296.8 0.44 8 402 6936 -40.9 -49.9 37 9.0 -41.3 215 57 301.4 301.4 282.1 301.8 0.10 9 400 6970 -40.9 -49.9 37 9.0 -41.3 215 58 301.8 301.9 282.3 302.2 0.10 10 393 7091 -40.9 -50.9 33 10.0 -41.3 217 59 303.4 303.4 282.9 303.7 0.09 11 318 8521 -45.7 -57.7 25 12.0 -46.1 239 68 315.6 315.6 287.3 315.8 0.05 12 315 8584 -45.9 -57.9 25 12.0 -46.3 240 69 316.2 316.2 287.6 316.4 0.05 13 307 8756 -45.3 -57.3 25 12.0 -45.7 243 70 319.4 319.4 288.6 319.6 0.05 14 300 8910 -45.5 -57.5 25 12.0 -45.9 245 71 321.2 321.2 289.2 321.4 0.05 15 250 10120 -48.3 -67.3 9 19.0 -48.7 250 74 334.3 334.3 292.9 334.3 0.02 16 246 10226 -48.5 -67.5 9 19.0 -48.9 251 74 335.5 335.5 293.2 335.6 0.02 17 236 10499 -47.1 -67.1 8 20.0 -47.6 253 75 341.6 341.6 294.7 341.7 0.02 18 221 10932 -47.9 -69.9 6 22.0 -48.4 256 76 346.9 346.9 296.0 346.9 0.01 19 206 11395 -47.3 -70.3 5 23.0 -47.9 259 77 354.9 354.9 297.7 354.9 0.01 20 200 11590 -48.1 -72.1 5 24.0 -48.7 260 78 356.6 356.6 298.0 356.7 0.01 21 181 12248 -49.9 -74.9 4 25.0 -50.4 258 74 364.0 364.0 299.5 364.0 0.01 22 167 12777 -49.5 -76.5 3 27.0 -50.1 257 71 373.1 373.1 301.1 373.2 0.01 23 150 13480 -51.7 -79.7 2 28.0 -52.2 255 67 381.0 381.0 302.4 381.0 0.00 24 137 14066 -53.7 -82.7 2 29.0 -54.2 257 67 387.5 387.5 303.4 387.5 0.00 25 135 14161 -53.5 -83.5 1 30.0 -54.0 258 67 389.5 389.5 303.7 389.5 0.00 26 130 14404 -53.3 -83.3 1 30.0 -53.8 259 67 394.0 394.0 304.4 394.1 0.00 27 112 15360 -55.7 -84.7 1 29.0 -56.2 262 66 406.7 406.7 306.1 406.7 0.00 28 103 15898 -52.5 -82.5 1 30.0 -53.2 264 66 422.7 422.7 308.0 422.7 0.00 29 100 16090 -51.5 -81.5 2 30.0 -52.3 265 66 428.2 428.2 308.6 428.2 0.01 30 94 16493 -50.1 -81.1 1 31.0 -51.1 262 59 438.6 438.6 309.7 438.6 0.01 31 70 18360 -63.5 -89.5 2 26.0 -63.8 245 26 448.5 448.5 310.7 448.5 0.00 32 69 18448 -63.7 -89.7 2 26.0 -64.0 243 25 450.0 450.0 310.8 450.0 0.00 33 59 19426 -56.1 -86.1 1 30.0 -56.9 220 16 487.6 487.6 314.1 487.7 0.00 34 59 19426 -55.7 -84.7 1 29.0 -56.5 220 16 488.5 488.5 314.1 488.6 0.01 35 50 20470 -59.9 -86.9 2 27.0 -60.5 195 6 502.3 502.3 315.1 502.3 0.00 36 43 21415 -62.5 -88.5 2 26.0 -63.0 211 11 518.1 518.1 316.2 518.1 0.00 37 30 23690 -55.1 -83.1 2 28.0 -56.6 250 22 594.4 594.4 320.3 594.5 0.01 38 23 25409 -50.3 -80.3 2 30.0 -53.4 234 36 655.5 655.5 322.9 655.7 0.03 39 20 26320 -51.9 -79.9 2 28.0 -54.8 225 44 677.3 677.3 323.7 677.6 0.03 40 18 27002 -52.3 -80.3 2 28.0 -55.4 696.8 696.8 324.3 697.1 0.04 41 16 27770 -49.1 -78.1 2 29.0 -53.4 731.1 731.1 325.4 731.6 0.06 42 15 28194 -48.2 -77.5 2 29.3 -53.0 250 72 747.8 747.8 325.9 748.4 0.07 43 13 29141 -46.1 -76.1 2 30.0 -52.2 786.2 786.2 326.9 787.1 0.09 TRP 70 18360 -63.5 -89.5 2 26.0 -63.8 245 26 448.5 448.5 310.7 448.5 0.00 WND 15 28194 -48.2 -77.5 2 29.3 -53.0 250 72 747.8 747.8 325.9 748.4 0.07 Sounding variables and indices 1000-500 mb thick: 5186.00 m Freezing level: 864.36 mb = 1608.06 m = 5275.74 ft Wetbulb zero: 915.41 mb = 813.90 m = 2670.24 ft Precipitable water: 0.40 inches Sfc-500 mean rel hum: 67.49 % Est. max temperature: 12.81 C = 55.05 F Sfc-Lift cond lev (LCL): 911.25 mb = 876.33 m = 2875.06 ft T: 2.97 C 700-500 lapse rate: 6.96 C/km ThetaE index: 1.80 C Layer 809.0- 700.0 mb Conv cond level (CCL): 822.61 mb = 2020.11 m = 6627.57 ft Mean mixing ratio: 3.61 g/kg Conv temperature: 13.21 C = 55.78 F Cap Strength: 2.57 C Lifted Index: 3.53 C Risk: None Lifted Index @300 mb: 20.46 C Lifted Index @700 mb: 0.34 C Showalter Index: 3.94 C Risk: None Total Totals Index: 52.00 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 30.00 C Cross Totals Index: 22.00 C K Index: 18.10 Risk: < 20 % chance of thunderstorms Sweat Index: 122.00 Risk: None Energy Index: 0.09 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 4.24 J/kg Max Up Vert Vel: 2.91 m/s Conv Inhibition (B-): 53612.05 J/kg Cap Strength: 3.29 C Lift Cond Lev (LCL): 859.75 mb = 1673.64 m = 5490.89 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 303 at 17 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 1014 129 270 4 4.0 -0.0 | 132 13 -10.0 9.0 1 1000 244 300 21 18.2 -10.5 | 290 4 4.2 -1.5 2 925 671 300 21 18.2 -10.5 | 290 4 4.2 -1.5 3 850 1830 300 21 18.2 -10.5 | 290 4 4.2 -1.5 4 700 2958 295 23 20.8 -9.7 | 276 7 6.8 -0.7 5 500 5430 220 20 12.9 15.3 | 177 24 -1.2 24.3 6 400 6970 215 58 33.3 47.5 | 199 60 19.2 56.5 7 300 8910 245 71 64.3 30.0 | 232 64 50.3 39.0 8 250 10120 250 74 69.5 25.3 | 238 65 55.5 34.3 9 200 11590 260 78 76.8 13.5 | 250 67 62.8 22.5 10 150 13480 255 67 64.7 17.3 | 243 57 50.7 26.3 11 100 16090 265 66 65.7 5.8 | 254 54 51.7 14.7 12 70 18360 245 26 23.6 11.0 | 206 22 9.5 20.0 13 50 20470 195 6 1.6 5.8 | 140 19 -12.5 14.8 14 30 23690 250 22 20.7 7.5 | 202 18 6.7 16.5 15 20 26320 225 44 31.1 31.1 | 203 44 17.1 40.1 Wind Parameters Mean winds (0-6000m): 272.7 at 22.2 knts Storm direction: 302.7 at 16.7 knts Shear (0-3000m) pos: 3.0 neg: 0.7 tot: 3.8 10-3/s Storm rel Dir Shear (0-3000m): 128.4 deg Storm rel helicity (0-3000m) pos: 10.6 neg: -5.7 tot: 4.9 m^2/s^2 ave: 1.6 10^-3 m/s^2 rel: 0.59 Storm rel vorticity (0-3000m) horiz: 4.8 stream: 2.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.32 Bulk Shear: 13.30 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 ------------------------------------------------------------------------------- 500 300 20 282 3| 18.2 0.0 18.2| 10.6 0.0 10.6 21.2 0.86| 24.0 20.6 1000 300 20 285 4| 9.1 0.0 9.1| 10.6 0.0 10.6 10.6 0.86| 12.0 10.3 1500 300 20 287 4| 6.1 0.0 6.1| 10.6 0.0 10.6 7.1 0.86| 8.0 6.9 2000 300 21 287 4| 4.5 0.2 4.7| 10.6 -0.5 10.1 5.1 0.82| 6.2 5.0 2500 299 21 285 4| 3.6 0.4 4.0| 10.6 -1.3 9.3 3.7 0.75| 5.2 3.9 3000 298 21 282 5| 3.0 0.7 3.8| 10.6 -5.7 4.9 1.6 0.59| 4.8 2.9 4000 293 22 263 6| 2.3 1.9 4.2| 10.6 -31.9 -21.3 -5.3 0.19| 5.1 1.0 5000 285 21 242 8| 1.8 2.5 4.3| 10.6 -72.5 -61.9 -12.4 -0.02| 5.3 -0.1 6000 273 22 226 11| 1.5 3.4 5.0| 77.9 -88.3 -10.5 -1.7 0.07| 6.1 0.4 Wrote GIF file: /home/apache/climate/data/raob//OI738/skewt/OI738.skewt.20251230.12.gif