UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025081312.upa.cvt Date: 1200Z 13 AUG 25 Searching for VO371... Searching the city database file for: VO371 ... Date:1200Z 13 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 ------------------------------------------------------------------------------- 0 1000 60 270 3 SFC 998 78 28.4 24.1 78 4.3 25.2 270 3 301.7 305.3 298.4 358.7 19.27 2 995 105 27.0 23.1 79 3.9 24.2 271 5 300.6 303.9 297.5 353.9 18.17 3 946 549 22.4 21.6 95 0.8 21.8 289 23 300.3 303.5 296.9 351.4 17.42 4 925 745 21.0 19.3 90 1.7 19.8 300 27 300.8 303.6 295.7 346.0 15.41 5 850 1480 17.0 15.1 89 1.9 15.7 290 26 304.0 306.3 294.8 342.1 12.80 6 813 1859 15.8 10.8 72 5.0 12.6 294 26 306.6 308.5 293.6 336.9 10.06 7 759 2441 12.8 9.9 83 2.9 11.0 300 27 309.4 311.3 294.4 340.3 10.15 8 746 2586 12.0 6.0 67 6.0 8.4 300 28 310.1 311.6 292.9 334.3 7.89 9 740 2654 11.6 8.5 81 3.1 9.7 300 29 310.4 312.1 294.1 339.3 9.46 10 700 3119 10.8 3.8 62 7.0 6.7 290 29 314.4 315.8 293.6 337.0 7.20 11 691 3227 10.4 2.4 58 8.0 5.8 290 29 315.2 316.4 293.3 336.0 6.60 12 593 4487 2.8 -7.2 48 10.0 -1.9 270 20 320.4 321.2 292.4 332.7 3.76 13 574 4751 1.2 -4.8 64 6.0 -1.8 267 19 321.6 322.5 293.5 336.8 4.67 14 560 4949 0.0 -10.0 47 10.0 -4.4 265 17 322.4 323.0 292.5 333.0 3.19 15 551 5080 -0.7 -11.7 43 11.0 -5.4 263 17 323.1 323.6 292.4 332.6 2.83 16 547 5138 -1.3 -7.3 64 6.0 -4.1 263 16 323.0 323.8 293.4 336.4 4.04 17 521 5525 -4.1 -5.4 91 1.3 -4.7 259 14 324.2 325.2 294.4 340.4 4.92 18 500 5850 -5.7 -8.1 83 2.4 -6.8 255 12 326.1 326.9 294.3 340.0 4.16 19 449 6692 -9.7 -14.7 67 5.0 -11.6 244 13 331.2 331.8 294.5 340.7 2.72 20 409 7410 -13.5 -22.5 47 9.0 -16.3 230 13 335.3 335.6 294.5 340.8 1.54 21 400 7580 -14.9 -22.9 50 8.0 -17.3 220 12 335.6 335.9 294.6 341.1 1.52 22 387 7827 -17.1 -23.1 60 6.0 -18.8 213 9 335.9 336.2 294.7 341.5 1.54 23 358 8404 -19.5 -29.5 41 10.0 -21.9 166 2 340.3 340.5 295.2 343.7 0.93 24 319 9243 -26.9 -37.9 35 11.0 -28.6 152 12 341.4 341.5 295.1 343.2 0.46 25 300 9680 -30.1 -39.1 41 9.0 -31.4 120 23 343.0 343.0 295.4 344.6 0.43 26 282 10121 -32.9 -42.9 36 10.0 -34.1 101 25 345.1 345.1 295.8 346.3 0.31 27 268 10479 -35.9 -40.9 60 5.0 -36.5 86 27 345.7 345.8 296.0 347.3 0.40 28 250 10960 -40.1 -46.1 53 6.0 -40.6 85 36 346.4 346.5 296.1 347.4 0.24 29 210 12123 -50.1 -52.5 76 2.4 -50.2 76 43 348.5 348.6 296.4 349.1 0.14 30 200 12440 -52.5 -55.0 74 2.5 -52.6 70 47 349.6 349.7 296.7 350.1 0.11 31 153 14120 -64.9 -70.9 43 6.0 -65.0 67 80 356.3 356.3 298.0 356.3 0.02 32 150 14240 -65.9 -72.9 37 7.0 -66.0 70 86 356.6 356.6 298.0 356.6 0.01 33 114 15856 -76.2 -82.3 38 6.1 -76.3 85 116 366.4 366.4 299.9 366.5 0.00 34 112 15958 -76.9 -82.9 38 6.0 -76.9 85 110 367.1 367.1 300.0 367.1 0.00 35 100 16610 -74.9 -83.9 23 9.0 -74.9 85 81 383.0 383.0 302.7 383.0 0.00 36 94 16972 -71.9 -84.9 13 13.0 -71.9 395.8 395.8 304.6 395.8 0.00 37 80 17909 -77.5 -86.5 22 9.0 -77.5 402.9 402.9 305.6 402.9 0.00 38 72 18531 -66.1 -82.1 9 16.0 -66.2 439.4 439.4 309.8 439.5 0.01 TRP 112 15958 -76.9 -82.9 38 6.0 -76.9 85 110 367.1 367.1 300.0 367.1 0.00 WND 114 15856 -76.2 -82.3 38 6.1 -76.3 85 116 366.4 366.4 299.9 366.5 0.00 Sounding variables and indices 1000-500 mb thick: 5790.00 m Freezing level: 560.00 mb = 4949.47 m = 16238.21 ft Wetbulb zero: 617.25 mb = 4156.74 m = 13637.44 ft Precipitable water: 2.03 inches Sfc-500 mean rel hum: 71.61 % Est. max temperature: 30.77 C = 87.38 F Sfc-Lift cond lev (LCL): 938.03 mb = 623.08 m = 2044.20 ft T: 21.87 C 700-500 lapse rate: 6.04 C/km ThetaE index: 21.75 C Layer 995.0- 759.0 mb Conv cond level (CCL): 913.57 mb = 853.04 m = 2798.65 ft Mean mixing ratio: 16.73 g/kg Conv temperature: 27.93 C = 82.27 F Cap Strength: 0.30 C Lifted Index: -2.73 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -1.67 C Lifted Index @700 mb: 0.23 C Showalter Index: 0.26 C Risk: Thunderstorms probable Total Totals Index: 43.50 C Risk: None Vertical Totals Index: 22.70 C Cross Totals Index: 20.80 C K Index: 30.80 Risk: 60-80 % chance of thunderstorms Sweat Index: 245.20 Risk: None Energy Index: -0.44 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 519.86 J/kg Max Up Vert Vel: 32.24 m/s Conv Inhibition (B-): 1.17 J/kg Cap Strength: 0.99 C Lift Cond Lev (LCL): 920.84 mb = 784.18 m = 2572.74 ft Lev Free Conv (LFC): 895.84 mb = 1023.43 m = 3357.68 ft Equ Level (EL): 705.84 mb = 3049.47 m = 10004.71 ft B at Equ Level: 42.90 J/kg Max Parcel Lev (MPL): 125.84 mb = 15274.41 m = 50112.29 ft Wind level data Storm motion: 315 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 ---------------------------------------------------------- 0 998 78 270 3 3.0 -0.0 | 143 15 -9.0 12.1 1 973 305 275 19 18.9 -1.7 | 214 13 7.0 10.4 2 925 745 300 27 23.4 -13.5 | 277 11 11.4 -1.4 3 876 1219 290 27 25.4 -9.2 | 258 14 13.4 2.9 4 850 1480 290 26 24.4 -8.9 | 256 13 12.5 3.2 5 759 2438 300 27 23.4 -13.5 | 277 11 11.4 -1.4 6 732 2743 300 30 26.0 -15.0 | 282 14 14.0 -2.9 7 700 3119 290 29 27.3 -9.9 | 262 15 15.3 2.2 8 680 3353 290 30 28.2 -10.3 | 264 16 16.2 1.8 9 631 3962 275 23 22.9 -2.0 | 227 15 10.9 10.1 10 500 5850 255 12 11.6 3.1 | 179 15 -0.4 15.2 11 414 7315 235 14 11.5 8.0 | 179 20 -0.5 20.1 12 400 7580 220 12 7.7 9.2 | 169 22 -4.3 21.3 13 382 7925 210 8 4.0 6.9 | 157 21 -8.0 19.0 14 366 8230 240 3 2.6 1.5 | 145 17 -9.4 13.6 15 351 8534 100 2 -2.0 0.3 | 132 19 -13.9 12.4 16 337 8839 140 5 -3.2 3.8 | 136 22 -15.2 15.9 17 323 9144 155 9 -3.8 8.2 | 142 26 -15.8 20.2 18 310 9449 145 18 -10.3 14.7 | 140 35 -22.3 26.8 19 300 9680 120 23 -19.9 11.5 | 126 40 -31.9 23.6 20 272 10363 90 26 -26.0 0.0 | 108 40 -38.0 12.1 21 261 10668 80 30 -29.5 -5.2 | 99 42 -41.5 6.9 22 250 10960 85 36 -35.9 -3.1 | 101 49 -47.8 8.9 23 250 10973 80 29 -28.6 -5.0 | 100 41 -40.5 7.1 24 238 11278 90 34 -34.0 0.0 | 105 48 -46.0 12.1 25 200 12440 70 47 -44.2 -16.1 | 86 56 -56.1 -4.0 26 189 12802 70 48 -45.1 -16.4 | 86 57 -57.1 -4.3 27 171 13411 60 56 -48.5 -28.0 | 75 63 -60.5 -15.9 28 163 13716 60 65 -56.3 -32.5 | 73 71 -68.3 -20.4 29 155 14021 65 75 -68.0 -31.7 | 76 82 -79.9 -19.6 30 150 14240 70 86 -80.8 -29.4 | 79 94 -92.8 -17.3 31 140 14630 70 87 -81.8 -29.8 | 79 95 -93.7 -17.7 32 133 14935 70 89 -83.6 -30.4 | 79 97 -95.6 -18.4 33 120 15545 80 105 -103.4 -18.2 | 87 116 -115.4 -6.1 34 114 15850 80 113 -111.3 -19.6 | 87 123 -123.3 -7.5 35 114 15856 85 116 -115.6 -10.1 | 91 128 -127.5 2.0 36 112 15958 85 110 -109.6 -9.6 | 91 122 -121.6 2.5 37 103 16459 75 100 -96.6 -25.9 | 83 109 -108.6 -13.8 38 100 16610 85 81 -80.7 -7.1 | 93 93 -92.7 5.0 39 97 16764 85 84 -83.7 -7.3 | 93 96 -95.7 4.8 Wind Parameters Mean winds (0-6000m): 285.3 at 22.7 knts Storm direction: 315.3 at 17.0 knts Shear (0-3000m) pos: 4.6 neg: 0.9 tot: 5.5 10-3/s Storm rel Dir Shear (0-3000m): 120.6 deg Storm rel helicity (0-3000m) pos: 102.6 neg: -31.7 tot: 70.9 m^2/s^2 ave: 23.6 10^-3 m/s^2 rel: 0.53 Storm rel vorticity (0-3000m) horiz: 7.8 stream: 4.2 10^-3/s Energy-Hel index: 0.31 Bulk Rich Number: 103.09 Bulk Shear: 5.04 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 ------------------------------------------------------------------------------- 500 281 17 206 10| 21.8 0.0 21.8| 70.9 0.0 70.9 141.8 0.96| 24.3 23.4 1000 291 22 242 9| 12.5 0.0 12.5| 85.4 -8.6 76.7 76.7 0.79| 16.2 12.9 1500 291 23 248 11| 8.3 0.4 8.8| 86.8 -14.7 72.1 48.1 0.69| 11.8 8.1 2000 292 24 253 11| 6.4 0.3 6.8| 94.4 -14.7 79.7 39.8 0.71| 9.4 6.7 2500 293 25 257 11| 5.5 0.3 5.8|101.5 -14.7 86.7 34.7 0.71| 8.2 5.8 3000 294 25 261 11| 4.6 0.9 5.5|102.6 -31.7 70.9 23.6 0.53| 7.8 4.2 4000 291 26 258 12| 3.5 1.8 5.3|103.5 -75.7 27.8 7.0 0.24| 7.4 1.8 5000 288 25 248 12| 2.8 2.0 4.8|103.5-102.2 1.2 0.2 0.11| 6.6 0.7 6000 285 23 238 12| 2.3 2.0 4.3|103.9-121.6 -17.7 -2.9 0.03| 6.0 0.2 Wrote GIF file: /home/apache/climate/data/raob//VO371/skewt/VO371.skewt.20250813.12.gif