UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025081700.upa.cvt Date: 0000Z 17 AUG 25 Searching for VO371... Searching the city database file for: VO371 ... Date:0000Z 17 AUG 25 Station: VO371 WMO ident: 43371 Latitude: 8.48 Longitude: 76.95 ------------------------------------------------------------------------------- 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 1002 77 23.6 23.0 96 0.6 23.2 0 0 296.6 299.8 296.3 348.3 17.93 1 1000 94 24.0 22.7 92 1.3 23.1 30 5 297.1 300.3 296.3 348.2 17.63 2 946 577 22.6 21.4 93 1.2 21.8 285 28 300.5 303.6 296.8 351.0 17.20 3 925 772 21.2 19.9 92 1.3 20.3 280 36 301.0 303.9 296.2 348.0 16.01 4 850 1499 17.4 15.2 87 2.2 15.9 285 36 304.4 306.8 295.0 342.8 12.89 5 802 1995 14.2 12.4 89 1.8 13.0 287 35 306.1 308.2 294.4 340.2 11.36 6 799 2027 16.0 10.0 68 6.0 12.2 287 35 308.3 310.1 293.7 337.8 9.70 7 700 3144 10.2 4.2 66 6.0 6.7 295 29 313.8 315.2 293.6 336.9 7.41 8 696 3192 9.8 3.8 66 6.0 6.3 293 29 313.9 315.2 293.4 336.5 7.24 9 665 3569 8.6 -2.4 46 11.0 2.9 282 27 316.6 317.5 292.3 332.1 4.82 10 558 4998 0.0 -7.0 59 7.0 -3.3 258 17 322.7 323.5 293.3 336.1 4.06 11 514 5652 -3.5 -16.5 36 13.0 -8.4 237 12 326.2 326.6 292.6 333.2 2.05 12 500 5870 -5.3 -12.3 58 7.0 -8.2 235 13 326.6 327.2 293.5 336.7 2.98 13 491 6012 -6.5 -10.5 73 4.0 -8.2 239 11 326.8 327.5 294.0 338.6 3.50 14 477 6239 -6.9 -15.9 49 9.0 -10.3 245 9 329.0 329.5 293.6 337.0 2.32 15 452 6657 -9.5 -24.5 28 15.0 -13.9 258 11 330.9 331.1 293.1 335.0 1.16 16 423 7166 -13.5 -22.5 47 9.0 -16.2 249 11 332.1 332.4 293.7 337.4 1.49 17 400 7590 -16.5 -18.2 87 1.7 -17.1 275 9 333.5 334.0 294.7 341.6 2.28 18 393 7722 -17.3 -19.2 85 1.9 -17.9 250 7 334.2 334.6 294.7 341.7 2.13 19 389 7799 -16.3 -25.3 46 9.0 -18.8 246 6 336.5 336.7 294.6 341.1 1.26 20 319 9253 -28.3 -30.1 84 1.8 -28.6 333 9 339.5 339.7 295.1 343.2 0.98 21 300 9690 -31.1 -36.1 61 5.0 -31.9 5 14 341.5 341.7 295.2 343.8 0.58 22 291 9906 -32.5 -39.5 50 7.0 -33.4 8 13 342.5 342.6 295.3 344.2 0.43 23 277 10252 -35.7 -40.4 62 4.7 -36.2 357 16 342.8 342.9 295.4 344.4 0.41 24 263 10612 -37.9 -45.9 43 8.0 -38.6 27 15 344.7 344.7 295.7 345.6 0.24 25 250 10960 -40.9 -48.9 42 8.0 -41.5 80 22 345.3 345.3 295.7 346.0 0.18 26 238 11293 -43.7 -51.7 41 8.0 -44.2 80 25 345.9 346.0 295.8 346.5 0.14 27 214 12000 -49.5 -52.5 71 3.0 -49.6 83 40 347.6 347.6 296.2 348.2 0.14 28 200 12440 -52.9 -55.8 71 2.9 -53.0 75 49 349.0 349.0 296.5 349.4 0.10 29 195 12603 -54.3 -56.7 75 2.4 -54.4 75 49 349.3 349.3 296.5 349.7 0.09 30 164 13688 -63.7 -70.7 38 7.0 -63.8 70 59 351.3 351.3 296.9 351.3 0.02 31 150 14230 -67.9 -73.9 42 6.0 -67.9 70 84 353.1 353.1 297.3 353.2 0.01 32 137 14767 -72.7 -77.7 47 5.0 -72.7 72 85 353.9 353.9 297.5 353.9 0.01 33 127 15207 -76.5 -81.0 49 4.5 -76.5 74 85 354.8 354.8 297.7 354.8 0.00 34 118 15628 -77.1 -82.7 40 5.6 -77.1 75 102 361.3 361.3 299.0 361.3 0.00 35 115 15776 -77.3 -83.3 38 6.0 -77.3 75 101 363.5 363.6 299.4 363.6 0.00 36 100 16570 -80.1 -85.1 43 5.0 -80.1 100 56 373.0 373.0 301.1 373.0 0.00 37 99 16627 -80.3 -85.1 44 4.8 -80.3 95 55 373.7 373.7 301.2 373.7 0.00 38 97 16742 -79.9 -84.9 43 5.0 -79.9 376.6 376.6 301.7 376.6 0.00 39 96 16801 -76.1 -84.1 27 8.0 -76.2 385.2 385.2 303.1 385.2 0.00 40 91 17113 -72.7 -81.7 24 9.0 -72.8 397.9 397.9 304.9 397.9 0.01 41 72 18491 -71.9 -86.9 9 15.0 -72.0 427.1 427.1 308.5 427.1 0.00 TRP 99 16627 -80.3 -85.1 44 4.8 -80.3 95 55 373.7 373.7 301.2 373.7 0.00 WND 118 15628 -77.1 -82.7 40 5.6 -77.1 75 102 361.3 361.3 299.0 361.3 0.00 Sounding variables and indices 1000-500 mb thick: 5776.00 m Freezing level: 558.00 mb = 4998.03 m = 16397.54 ft Wetbulb zero: 615.20 mb = 4203.30 m = 13790.20 ft Precipitable water: 2.00 inches Sfc-500 mean rel hum: 67.02 % Est. max temperature: 31.30 C = 88.35 F Sfc-Lift cond lev (LCL): 993.69 mb = 149.12 m = 489.22 ft T: 23.84 C 700-500 lapse rate: 5.69 C/km ThetaE index: 18.92 C Layer 925.0- 558.0 mb Conv cond level (CCL): 908.30 mb = 928.64 m = 3046.67 ft Mean mixing ratio: 16.80 g/kg Conv temperature: 28.74 C = 83.74 F Cap Strength: 0.93 C Lifted Index: -1.98 C Risk: Thunderstorms probable Lifted Index @300 mb: -2.17 C Lifted Index @700 mb: -0.13 C Showalter Index: 0.36 C Risk: Thunderstorms probable Total Totals Index: 43.20 C Risk: None Vertical Totals Index: 22.70 C Cross Totals Index: 20.50 C K Index: 31.90 Risk: 60-80 % chance of thunderstorms Sweat Index: 267.40 Risk: None Energy Index: -1.20 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 571.10 J/kg Max Up Vert Vel: 33.80 m/s Conv Inhibition (B-): 12.23 J/kg Cap Strength: 0.93 C Lift Cond Lev (LCL): 933.78 mb = 690.11 m = 2264.10 ft Lev Free Conv (LFC): 858.78 mb = 1410.63 m = 4627.98 ft Equ Level (EL): 788.78 mb = 2135.49 m = 7006.13 ft B at Equ Level: 26.76 J/kg Max Parcel Lev (MPL): 108.78 mb = 16091.65 m = 52793.50 ft Wind level data Storm motion: 311 at 19 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 1002 77 0 0 -0.0 -0.0 | 131 19 -14.4 12.6 1 1000 94 30 5 -2.5 -4.3 | 116 19 -16.9 8.2 2 976 305 325 14 8.0 -11.5 | 100 6 -6.3 1.1 3 942 610 280 30 29.5 -5.2 | 244 17 15.2 7.4 4 925 772 280 36 35.5 -6.3 | 253 22 21.1 6.3 5 850 1499 285 36 34.8 -9.3 | 261 21 20.4 3.2 6 708 3048 290 33 31.0 -11.3 | 266 17 16.6 1.3 7 700 3144 295 29 26.3 -12.3 | 269 12 11.9 0.3 8 682 3353 285 28 27.0 -7.2 | 247 14 12.7 5.3 9 524 5486 250 13 12.2 4.4 | 173 17 -2.2 17.0 10 505 5791 225 12 8.5 8.5 | 164 22 -5.9 21.1 11 500 5870 235 13 10.6 7.5 | 169 20 -3.7 20.0 12 467 6401 250 7 6.6 2.4 | 152 17 -7.8 15.0 13 449 6706 260 12 11.8 2.1 | 170 15 -2.6 14.6 14 415 7315 245 10 9.1 4.2 | 162 18 -5.3 16.8 15 400 7590 275 9 9.0 -0.8 | 155 13 -5.4 11.8 16 398 7620 255 7 6.8 1.8 | 152 16 -7.6 14.4 17 366 8230 225 5 3.5 3.5 | 146 19 -10.8 16.1 18 351 8534 100 6 -5.9 1.0 | 124 24 -20.3 13.6 19 337 8839 25 6 -2.5 -5.4 | 113 18 -16.9 7.1 20 323 9144 315 9 6.4 -6.4 | 128 10 -8.0 6.2 21 310 9449 10 9 -1.6 -8.9 | 103 16 -15.9 3.7 22 300 9690 5 14 -1.2 -13.9 | 85 16 -15.6 -1.4 23 297 9754 15 11 -2.8 -10.6 | 96 17 -17.2 1.9 24 285 10058 360 15 -0.0 -15.0 | 80 15 -14.4 -2.4 25 272 10363 355 17 1.5 -16.9 | 71 14 -12.9 -4.4 26 261 10668 35 14 -8.0 -11.5 | 93 22 -22.4 1.1 27 250 10960 80 22 -21.7 -3.8 | 104 37 -36.0 8.7 28 238 11278 80 25 -24.6 -4.3 | 102 40 -39.0 8.2 29 217 11887 85 38 -37.9 -3.3 | 100 53 -52.2 9.3 30 200 12440 75 49 -47.3 -12.7 | 90 62 -61.7 -0.1 31 189 12802 75 48 -46.4 -12.4 | 90 61 -60.7 0.1 32 180 13106 70 51 -47.9 -17.4 | 86 62 -62.3 -4.9 33 163 13716 70 60 -56.4 -20.5 | 84 71 -70.8 -8.0 34 155 14021 70 73 -68.6 -25.0 | 81 84 -83.0 -12.4 35 150 14230 70 84 -78.9 -28.7 | 80 95 -93.3 -16.2 36 120 15545 75 86 -83.1 -22.3 | 84 98 -97.4 -9.7 37 118 15628 75 102 -98.5 -26.4 | 83 114 -112.9 -13.8 38 113 15850 75 100 -96.6 -25.9 | 83 112 -111.0 -13.3 39 102 16459 95 76 -75.7 6.6 | 102 92 -90.1 19.2 40 100 16570 100 56 -55.1 9.7 | 108 73 -69.5 22.3 Wind Parameters Mean winds (0-6000m): 281.2 at 25.5 knts Storm direction: 311.2 at 19.1 knts Shear (0-3000m) pos: 1.2 neg: 6.2 tot: 7.4 10-3/s Storm rel Dir Shear (0-3000m): 135.4 deg Storm rel helicity (0-3000m) pos: 35.6 neg: -43.6 tot: -8.0 m^2/s^2 ave: -2.7 10^-3 m/s^2 rel: 0.09 Storm rel vorticity (0-3000m) horiz: 10.3 stream: 1.0 10^-3/s Energy-Hel index: 0.11 Bulk Rich Number: 23.30 Bulk Shear: 24.51 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 ------------------------------------------------------------------------------- 500 308 16 143 4| 0.0 29.1 29.1| 0.7 -43.6 -42.9 -85.8 -0.02| 43.8 -1.0 1000 288 25 243 11| 0.0 18.5 18.5| 17.7 -43.6 -25.9 -25.9 0.04| 26.9 1.1 1500 286 29 251 14| 0.7 12.3 13.0| 27.4 -43.6 -16.2 -10.8 0.07| 18.6 1.3 2000 286 30 254 15| 0.8 9.3 10.1| 30.1 -43.6 -13.5 -6.8 0.08| 14.3 1.1 2500 286 31 257 16| 0.9 7.4 8.3| 32.5 -43.6 -11.1 -4.5 0.09| 11.7 1.0 3000 287 32 258 16| 1.2 6.2 7.4| 35.6 -43.6 -8.0 -2.7 0.09| 10.3 1.0 4000 286 30 254 15| 0.9 3.7 4.6| 35.6 -85.2 -49.6 -12.4 -0.08| 9.6 -0.8 5000 284 28 246 14| 0.7 2.3 3.0| 35.6-120.0 -84.5 -16.9 -0.18| 8.6 -1.5 6000 281 25 234 13| 0.6 1.5 2.1| 44.7-157.3-112.6 -18.8 -0.22| 8.3 -1.8 Wrote GIF file: /home/apache/climate/data/raob//VO371/skewt/VO371.skewt.20250817.00.gif