UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102312.upa.cvt Date: 1200Z 23 OCT 25 Searching for VO371... Searching the city database file for: VO371 ... Date:1200Z 23 OCT 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 1000 79 26.4 24.9 91 1.5 25.3 270 2 299.5 303.2 298.5 358.8 20.21 1 944 582 22.6 22.1 97 0.5 22.3 224 9 300.7 304.0 297.4 353.6 18.02 2 925 758 21.8 21.2 96 0.6 21.4 230 13 301.6 304.8 297.3 352.9 17.39 3 895 1043 21.2 18.7 86 2.5 19.5 240 21 303.8 306.7 296.5 349.5 15.34 4 850 1487 18.2 16.5 90 1.7 17.0 240 27 305.2 307.8 296.0 347.2 14.03 5 831 1681 17.0 16.0 94 1.0 16.3 241 29 305.9 308.5 296.1 347.6 13.90 6 796 2048 15.0 10.7 75 4.3 12.3 244 30 307.6 309.5 293.9 338.5 10.21 7 779 2231 13.8 12.6 92 1.2 13.0 245 30 308.2 310.4 295.3 344.1 11.86 8 747 2585 12.0 8.6 80 3.4 9.9 247 31 310.0 311.7 294.0 338.8 9.43 9 732 2756 12.0 1.0 47 11.0 6.0 248 31 311.8 312.8 291.5 329.3 5.63 10 707 3048 10.8 0.8 50 10.0 5.3 250 32 313.6 314.6 292.2 331.6 5.74 11 700 3131 10.6 -5.4 32 16.0 2.8 250 32 314.2 314.9 290.5 325.9 3.65 12 699 3143 10.6 -5.4 32 16.0 2.8 250 32 314.4 315.1 290.6 326.1 3.66 13 684 3323 9.2 -0.8 50 10.0 3.9 249 32 314.7 315.8 292.1 331.5 5.28 14 668 3519 7.8 -0.2 57 8.0 3.5 248 32 315.3 316.4 292.6 333.2 5.65 15 664 3569 7.8 -4.2 42 12.0 1.8 247 31 315.9 316.7 291.5 329.4 4.22 16 639 3884 5.6 2.4 80 3.2 3.8 246 31 316.8 318.2 294.2 339.4 7.14 17 589 4545 0.0 -1.1 92 1.1 -0.6 250 29 317.8 319.0 293.6 337.0 6.01 18 586 4586 -0.3 -1.0 95 0.7 -0.7 250 29 317.9 319.1 293.6 337.3 6.08 19 531 5373 -2.1 -3.6 89 1.5 -2.9 264 23 324.8 325.9 295.0 343.0 5.53 20 500 5850 -4.5 -6.2 88 1.7 -5.3 260 20 327.6 328.5 295.2 343.6 4.82 21 419 7218 -12.1 -13.8 87 1.7 -12.8 275 12 334.8 335.4 295.7 345.7 3.14 22 400 7570 -14.5 -16.1 88 1.6 -15.1 270 7 336.1 336.7 295.7 345.7 2.72 23 344 8703 -21.7 -22.7 92 1.0 -22.0 326 5 341.2 341.6 296.1 347.7 1.80 24 300 9700 -29.7 -33.9 67 4.2 -30.4 55 9 343.5 343.7 295.8 346.3 0.73 25 281 10162 -32.9 -38.9 55 6.0 -33.7 66 12 345.4 345.5 296.0 347.3 0.47 26 250 10970 -39.3 -45.3 53 6.0 -39.8 115 23 347.6 347.7 296.4 348.7 0.27 27 239 11275 -42.1 -47.0 59 4.9 -42.5 100 25 347.9 348.0 296.4 348.9 0.23 28 213 12040 -48.5 -53.5 56 5.0 -48.7 94 33 349.6 349.6 296.7 350.1 0.12 29 205 12290 -50.5 -59.5 34 9.0 -50.8 95 38 350.3 350.3 296.8 350.6 0.06 30 200 12450 -51.7 -60.7 33 9.0 -52.0 95 42 350.9 350.9 296.9 351.1 0.05 31 176 13266 -58.9 -66.9 35 8.0 -59.0 95 42 352.1 352.1 297.1 352.2 0.03 TRP WND Sounding variables and indices 1000-500 mb thick: 5770.79 m Freezing level: 589.00 mb = 4545.05 m = 14911.39 ft Wetbulb zero: 595.53 mb = 4455.68 m = 14618.18 ft Precipitable water: 2.29 inches Sfc-500 mean rel hum: 81.06 % Est. max temperature: 32.06 C = 89.71 F Sfc-Lift cond lev (LCL): 978.92 mb = 265.04 m = 869.56 ft T: 25.00 C 700-500 lapse rate: 5.55 C/km ThetaE index: 14.78 C Layer 747.0- 707.0 mb Conv cond level (CCL): 930.05 mb = 710.90 m = 2332.31 ft Mean mixing ratio: 18.17 g/kg Conv temperature: 28.20 C = 82.76 F Cap Strength: 0.61 C Lifted Index: -3.11 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -3.70 C Lifted Index @700 mb: -1.20 C Showalter Index: -0.54 C Risk: Thunderstorms probable Total Totals Index: 43.70 C Risk: None Vertical Totals Index: 22.70 C Cross Totals Index: 21.00 C K Index: 23.20 Risk: 20-40 % chance of thunderstorms Sweat Index: 339.75 Risk: Showers and thunderstorms possible Energy Index: -0.79 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1274.25 J/kg Max Up Vert Vel: 50.48 m/s Conv Inhibition (B-): 5.81 J/kg Cap Strength: 0.58 C Lift Cond Lev (LCL): 936.08 mb = 654.92 m = 2148.67 ft Lev Free Conv (LFC): 861.08 mb = 1375.61 m = 4513.11 ft Wind level data Storm motion: 278 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 1000 79 270 2 2.0 -0.0 | 99 17 -16.6 2.6 1 974 305 170 6 -1.0 5.9 | 113 21 -19.7 8.5 2 941 610 230 9 6.9 5.8 | 126 14 -11.7 8.4 3 925 758 230 13 10.0 8.4 | 142 14 -8.7 11.0 4 908 914 240 19 16.5 9.5 | 170 12 -2.2 12.1 5 850 1487 240 27 23.4 13.5 | 196 17 4.7 16.1 6 846 1524 240 28 24.2 14.0 | 199 18 5.6 16.6 7 788 2134 245 30 27.2 12.7 | 209 18 8.6 15.3 8 700 3131 250 32 30.1 10.9 | 220 18 11.4 13.6 9 632 3962 245 31 28.1 13.1 | 211 18 9.5 15.7 10 608 4267 250 27 25.4 9.2 | 210 14 6.7 11.9 11 586 4572 250 29 27.3 9.9 | 214 15 8.6 12.5 12 564 4877 255 30 29.0 7.8 | 225 15 10.3 10.4 13 543 5182 265 24 23.9 2.1 | 228 7 5.3 4.7 14 500 5850 260 20 19.7 3.5 | 190 6 1.1 6.1 15 466 6401 225 15 10.6 10.6 | 149 15 -8.0 13.2 16 447 6706 240 9 7.8 4.5 | 123 13 -10.8 7.1 17 430 7010 255 10 9.7 2.6 | 120 10 -9.0 5.2 18 413 7315 285 13 12.6 -3.4 | 83 6 -6.1 -0.7 19 400 7570 270 7 7.0 -0.0 | 103 12 -11.6 2.6 20 397 7620 265 10 10.0 0.9 | 112 9 -8.7 3.5 21 381 7925 220 6 3.9 4.6 | 116 16 -14.8 7.2 22 366 8230 300 1 0.9 -0.5 | 97 18 -17.8 2.1 23 337 8839 335 7 3.0 -6.3 | 77 16 -15.7 -3.7 24 323 9144 5 9 -0.8 -9.0 | 72 20 -19.4 -6.3 25 300 9700 55 9 -7.4 -5.2 | 84 26 -26.0 -2.5 26 298 9754 40 4 -2.6 -3.1 | 89 21 -21.2 -0.4 27 285 10058 60 11 -9.5 -5.5 | 84 28 -28.2 -2.9 28 250 10970 115 23 -20.8 9.7 | 107 41 -39.5 12.3 29 250 10973 110 22 -20.7 7.5 | 104 41 -39.3 10.2 30 228 11582 90 28 -28.0 0.0 | 93 47 -46.6 2.6 31 208 12192 95 35 -34.9 3.1 | 96 54 -53.5 5.7 32 200 12450 95 42 -41.8 3.7 | 96 61 -60.5 6.3 33 171 13411 95 42 -41.8 3.7 | 96 61 -60.5 6.3 Wind Parameters Mean winds (0-6000m): 248.0 at 25.1 knts Storm direction: 278.0 at 18.8 knts Shear (0-3000m) pos: 4.2 neg: 1.3 tot: 5.5 10-3/s Storm rel Dir Shear (0-3000m): 120.6 deg Storm rel helicity (0-3000m) pos: 134.5 neg: 0.0 tot: 134.5 m^2/s^2 ave: 44.8 10^-3 m/s^2 rel: 0.81 Storm rel vorticity (0-3000m) horiz: 6.8 stream: 5.6 10^-3/s Energy-Hel index: 0.94 Bulk Rich Number: 20.38 Bulk Shear: 62.52 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 ------------------------------------------------------------------------------- 500 199 6 116 19| 0.0 7.7 7.7| 39.6 0.0 39.6 79.2 0.61| 13.9 8.5 1000 228 11 132 15| 6.8 3.8 10.6| 84.3 0.0 84.3 84.3 0.78| 13.8 10.8 1500 235 15 152 13| 6.9 2.6 9.4|106.1 0.0 106.1 70.7 0.78| 11.6 9.0 2000 238 19 168 13| 5.6 1.9 7.5|118.4 0.0 118.4 59.2 0.80| 9.4 7.5 2500 240 21 179 13| 4.8 1.5 6.3|126.6 0.0 126.6 50.6 0.81| 7.9 6.3 3000 242 23 187 13| 4.2 1.3 5.5|134.5 0.0 134.5 44.8 0.81| 6.8 5.6 4000 244 25 196 14| 3.1 0.9 4.0|134.6 -13.1 121.5 30.4 0.67| 5.7 3.8 5000 246 26 200 14| 2.3 0.7 3.0|151.9 -14.2 137.7 27.5 0.60| 5.9 3.5 6000 248 25 201 13| 1.6 1.0 2.6|151.9 -28.5 123.5 20.6 0.38| 5.9 2.3 Wrote GIF file: /home/apache/climate/data/raob//VO371/skewt/VO371.skewt.20251023.12.gif