UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041612.upa.cvt Date: 1200Z 16 APR 25 Searching for OI738... Searching the city database file for: OI738 ... Date:1200Z 16 APR 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 1017 -11 17.0 12.9 77 4.1 14.5 260 8 288.8 290.4 286.9 314.6 9.22 1 1000 132 14.8 7.8 63 7.0 10.9 275 12 288.0 289.1 284.1 306.7 6.64 2 999 140 14.8 7.8 63 7.0 10.9 275 12 288.0 289.2 284.1 306.8 6.65 3 925 786 9.2 6.7 84 2.5 7.8 255 8 288.7 289.9 284.4 307.6 6.66 4 850 1483 5.0 3.4 89 1.6 4.2 260 8 291.4 292.4 284.5 307.9 5.75 5 781 2169 0.8 -0.6 90 1.4 0.1 199 7 294.0 294.9 284.5 307.7 4.69 6 740 2600 -2.1 -5.3 79 3.2 -3.4 160 7 295.4 296.1 283.7 305.8 3.48 7 734 2665 -1.9 -5.2 78 3.3 -3.3 154 6 296.3 297.0 284.1 306.9 3.54 8 718 2840 -2.3 -6.4 73 4.1 -4.0 138 6 297.8 298.4 284.4 307.7 3.30 9 700 3042 -2.3 -6.0 76 3.7 -3.8 120 6 299.9 300.6 285.5 310.5 3.49 10 687 3192 -1.5 -5.4 75 3.9 -3.2 125 8 302.4 303.1 286.7 313.8 3.72 11 681 3262 -1.5 -6.2 70 4.7 -3.5 127 9 303.2 303.9 286.8 314.1 3.53 12 507 5546 -18.3 -44.3 8 26.0 -21.5 201 40 309.5 309.5 285.3 310.0 0.15 13 500 5650 -19.1 -44.1 9 25.0 -22.1 205 41 309.8 309.8 285.4 310.3 0.15 14 474 6046 -22.7 -33.7 36 11.0 -24.4 211 44 310.1 310.2 285.9 311.7 0.47 15 452 6394 -25.3 -45.3 14 20.0 -27.3 216 46 311.0 311.1 285.9 311.6 0.15 16 406 7165 -32.3 -44.3 29 12.0 -33.3 228 51 311.7 311.7 286.2 312.3 0.18 17 400 7270 -32.9 -44.9 29 12.0 -33.8 230 52 312.2 312.3 286.4 312.9 0.17 18 300 9250 -43.7 -62.7 10 19.0 -44.3 225 66 323.8 323.8 289.9 323.9 0.03 19 280 9713 -45.9 -65.9 9 20.0 -46.4 227 70 327.1 327.1 290.9 327.1 0.02 20 277 9785 -46.1 -67.1 8 21.0 -46.6 227 71 327.8 327.8 291.1 327.8 0.02 21 254 10364 -45.3 -72.3 3 27.0 -45.9 230 76 337.2 337.2 293.6 337.2 0.01 22 251 10443 -45.3 -72.3 3 27.0 -45.9 230 77 338.3 338.3 293.9 338.4 0.01 23 250 10470 -45.3 -73.3 3 28.0 -45.9 230 77 338.7 338.7 294.0 338.7 0.01 24 236 10853 -46.9 -75.6 2 28.7 -47.4 225 88 342.0 342.0 294.8 342.0 0.01 25 213 11529 -49.7 -79.7 2 30.0 -50.2 228 85 347.7 347.7 296.1 347.8 0.00 26 200 11940 -51.1 -80.1 2 29.0 -51.5 230 83 351.8 351.8 297.0 351.9 0.00 27 198 12006 -51.1 -80.1 2 29.0 -51.5 231 82 352.9 352.9 297.3 352.9 0.00 28 150 13810 -54.7 -82.7 2 28.0 -55.1 250 52 375.8 375.8 301.6 375.8 0.00 29 146 13984 -54.9 -82.9 2 28.0 -55.3 250 50 378.4 378.4 302.0 378.4 0.00 30 139 14300 -54.1 -82.1 2 28.0 -54.5 251 47 385.2 385.2 303.1 385.2 0.00 31 115 15513 -57.7 -84.7 2 27.0 -58.0 253 36 399.9 399.9 305.2 399.9 0.00 32 108 15912 -56.3 -83.3 2 27.0 -56.7 254 32 409.8 409.8 306.5 409.8 0.00 33 100 16400 -59.1 -85.1 2 26.0 -59.5 255 27 413.5 413.5 306.9 413.6 0.00 34 74 18255 -68.1 -91.1 2 23.0 -68.2 235 24 431.8 431.8 309.0 431.8 0.00 35 70 18590 -68.3 -91.3 2 23.0 -68.4 275 23 438.3 438.3 309.7 438.3 0.00 36 61 19419 -69.7 -91.7 3 22.0 -69.8 306 17 452.7 452.7 311.1 452.8 0.00 37 52 20396 -61.5 -85.5 3 24.0 -62.0 341 10 493.0 493.0 314.4 493.0 0.01 38 50 20640 -62.7 -86.7 3 24.0 -63.1 350 8 495.7 495.7 314.7 495.8 0.00 39 45 21295 -62.9 -85.9 3 23.0 -63.3 10 8 510.4 510.4 315.7 510.4 0.01 40 32 23439 -57.3 -81.3 3 24.0 -58.5 73 9 577.7 577.7 319.6 577.8 0.02 41 30 23850 -57.1 -81.1 3 24.0 -58.3 85 9 589.0 589.0 320.1 589.1 0.02 42 27 24520 -55.3 -80.3 3 25.0 -56.9 612.1 612.1 321.2 612.2 0.02 TRP 74 18255 -68.1 -91.1 2 23.0 -68.2 235 24 431.8 431.8 309.0 431.8 0.00 WND 236 10853 -46.9 -75.6 2 28.7 -47.4 225 88 342.0 342.0 294.8 342.0 0.01 Sounding variables and indices 1000-500 mb thick: 5518.00 m Freezing level: 769.69 mb = 2287.88 m = 7506.07 ft Wetbulb zero: 779.43 mb = 2185.02 m = 7168.60 ft Precipitable water: 0.87 inches Sfc-500 mean rel hum: 62.49 % Est. max temperature: 19.02 C = 66.23 F Sfc-Lift cond lev (LCL): 956.78 mb = 502.69 m = 1649.23 ft T: 11.66 C 700-500 lapse rate: 6.44 C/km ThetaE index: 7.94 C Layer 1000.0- 999.0 mb Conv cond level (CCL): 871.83 mb = 1274.01 m = 4179.78 ft Mean mixing ratio: 6.86 g/kg Conv temperature: 18.84 C = 65.91 F Cap Strength: 5.10 C Lifted Index: 4.61 C Risk: None Lifted Index @300 mb: 11.53 C Lifted Index @700 mb: 2.90 C Showalter Index: 4.55 C Risk: None Total Totals Index: 46.60 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.10 C Cross Totals Index: 22.50 C K Index: 23.80 Risk: 20-40 % chance of thunderstorms Sweat Index: 97.80 Risk: None Energy Index: 0.58 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1.19 J/kg Max Up Vert Vel: 1.54 m/s Conv Inhibition (B-): 36318.34 J/kg Cap Strength: 5.11 C Lift Cond Lev (LCL): 900.38 mb = 1008.35 m = 3308.19 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 238 at 13 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 1017 -11 260 8 7.9 1.4 | 28 6 -2.8 -5.3 1 1000 132 275 12 12.0 -1.0 | 351 8 1.2 -7.8 2 925 786 255 8 7.7 2.1 | 33 6 -3.0 -4.7 3 850 1483 260 8 7.9 1.4 | 28 6 -2.8 -5.3 4 700 3042 120 6 -5.2 3.0 | 77 16 -15.9 -3.7 5 500 5650 205 41 17.3 37.2 | 192 31 6.6 30.4 6 400 7270 230 52 39.8 33.4 | 228 40 29.1 26.7 7 300 9250 225 66 46.7 46.7 | 222 54 36.0 39.9 8 250 10470 230 77 59.0 49.5 | 228 64 48.3 42.8 9 236 10853 225 88 62.2 62.2 | 223 76 51.5 55.5 10 200 11940 230 83 63.6 53.4 | 229 70 52.9 46.6 11 150 13810 250 52 48.9 17.8 | 254 40 38.2 11.1 12 100 16400 255 27 26.1 7.0 | 269 15 15.4 0.3 13 74 18255 235 24 19.7 13.8 | 232 11 9.0 7.0 14 70 18590 275 23 22.9 -2.0 | 306 15 12.2 -8.7 15 50 20640 350 8 1.4 -7.9 | 33 17 -9.3 -14.6 16 30 23850 85 9 -9.0 -0.8 | 69 21 -19.7 -7.5 Wind Parameters Mean winds (0-6000m): 207.8 at 16.9 knts Storm direction: 237.8 at 12.6 knts Shear (0-3000m) pos: 0.4 neg: 2.6 tot: 3.0 10-3/s Storm rel Dir Shear (0-3000m): 50.3 deg Storm rel helicity (0-3000m) pos: 15.7 neg: -18.9 tot: -3.2 m^2/s^2 ave: -1.1 10^-3 m/s^2 rel: 0.10 Storm rel vorticity (0-3000m) horiz: 4.5 stream: 0.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.04 Bulk Shear: 30.30 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 ------------------------------------------------------------------------------- 500 270 11 0 7| 2.0 0.0 2.0| 3.2 -6.7 -3.5 -7.1 -0.31| 7.0 -2.2 1000 265 10 11 6| 1.0 1.1 2.1| 6.5 -6.9 -0.5 -0.5 -0.01| 4.8 -0.0 1500 263 9 17 6| 0.7 0.7 1.5| 6.5 -7.4 -0.9 -0.6 -0.03| 3.3 -0.1 2000 258 9 24 5| 0.5 2.0 2.6| 13.9 -7.4 6.5 3.3 0.31| 4.1 1.3 2500 251 8 34 5| 0.4 2.6 3.0| 15.7 -8.3 7.4 3.0 0.26| 4.4 1.1 3000 251 8 37 5| 0.4 2.6 3.0| 15.7 -18.9 -3.2 -1.1 0.10| 4.5 0.5 4000 213 9 98 6| 1.6 1.9 3.5| 82.3 -18.9 63.4 15.9 0.38| 5.3 2.0 5000 197 12 125 9| 3.0 1.6 4.6|206.6 -18.9 187.7 37.5 0.57| 6.2 3.6 6000 208 17 161 9| 3.8 1.3 5.1|362.8 -18.9 343.9 57.3 0.67| 7.0 4.7 Wrote GIF file: /home/apache/climate/data/raob//OI738/skewt/OI738.skewt.20250416.12.gif