UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101712.upa.cvt Date: 1200Z 17 OCT 25 Searching for VO371... Searching the city database file for: VO371 ... Date:1200Z 17 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 ------------------------------------------------------------------------------- 0 1000 47 225 3 SFC 997 74 27.6 25.3 87 2.3 25.9 225 3 301.0 304.8 299.1 362.3 20.77 2 942 577 23.4 22.3 94 1.1 22.6 167 9 301.7 305.0 297.8 355.6 18.28 3 925 737 22.4 20.9 91 1.5 21.3 160 10 302.2 305.4 297.2 352.6 17.06 4 850 1468 18.6 17.7 95 0.9 18.0 160 10 305.6 308.5 296.8 351.0 15.16 5 700 3116 10.0 9.7 98 0.3 9.8 110 15 313.6 315.6 296.0 347.2 10.87 6 689 3247 9.0 8.7 98 0.3 8.8 112 15 313.9 315.8 295.7 345.9 10.31 7 659 3615 6.4 3.2 80 3.2 4.5 119 15 315.0 316.4 293.8 338.0 7.33 8 609 4260 4.6 0.6 75 4.0 2.4 132 14 320.1 321.4 294.6 341.2 6.58 9 559 4953 0.0 -2.2 85 2.2 -1.2 145 14 322.6 323.7 294.7 341.6 5.83 10 503 5793 -4.1 -6.1 86 2.0 -5.1 120 18 327.5 328.4 295.2 343.6 4.83 11 500 5840 -4.3 -6.0 88 1.7 -5.1 130 18 327.8 328.8 295.3 344.1 4.89 12 400 7560 -15.1 -16.6 88 1.5 -15.6 110 25 335.4 335.9 295.4 344.5 2.61 13 356 8437 -19.5 -21.5 84 2.0 -20.1 100 32 340.8 341.2 296.1 347.8 1.93 14 300 9690 -28.7 -31.2 79 2.5 -29.2 90 28 344.9 345.1 296.3 348.5 0.94 15 268 10488 -34.7 -37.5 76 2.8 -35.1 87 30 347.5 347.6 296.5 349.7 0.57 16 250 10970 -38.9 -41.4 77 2.5 -39.2 95 27 348.2 348.3 296.6 349.9 0.41 17 200 12460 -51.9 -54.2 76 2.3 -52.0 70 17 350.6 350.6 296.8 351.1 0.12 18 150 14250 -67.5 -70.6 64 3.1 -67.5 75 31 353.8 353.8 297.5 353.9 0.02 19 138 14747 -72.1 -74.0 75 1.9 -72.1 80 36 354.2 354.2 297.5 354.3 0.01 20 102 16470 -85.3 -87.7 65 2.4 -85.3 100 47 360.9 360.9 298.9 360.9 0.00 21 100 16580 -82.9 -85.2 67 2.3 -82.9 95 55 367.6 367.6 300.1 367.6 0.00 22 70 18610 -73.5 -78.1 49 4.6 -73.5 125 22 427.1 427.1 308.5 427.2 0.01 23 50 20620 -69.1 -73.9 50 4.8 -69.2 65 13 480.7 480.7 313.5 480.9 0.03 24 30 23710 -61.7 -66.4 53 4.7 -62.0 95 58 576.4 576.5 319.5 577.6 0.17 25 21 25954 -51.7 -59.3 40 7.6 -53.4 95 77 668.6 668.9 323.6 673.7 0.62 26 20 26270 -50.3 -58.3 38 8.0 -52.3 90 70 682.2 682.5 324.0 688.4 0.73 27 10 30870 -41.1 -80.1 1 39.0 -50.8 80 29 866.1 866.2 328.8 866.8 0.07 TRP 102 16470 -85.3 -87.7 65 2.4 -85.3 100 47 360.9 360.9 298.9 360.9 0.00 WND 21 25954 -51.7 -59.3 40 7.6 -53.4 95 77 668.6 668.9 323.6 673.7 0.62 Sounding variables and indices 1000-500 mb thick: 5793.00 m Freezing level: 559.00 mb = 4952.86 m = 16249.33 ft Wetbulb zero: 575.39 mb = 4719.25 m = 15482.91 ft Precipitable water: 2.56 inches Sfc-500 mean rel hum: 88.98 % Est. max temperature: 32.36 C = 90.25 F Sfc-Lift cond lev (LCL): 964.79 mb = 365.04 m = 1197.62 ft T: 25.17 C 700-500 lapse rate: 5.25 C/km ThetaE index: 24.34 C Layer 942.0- 609.0 mb Conv cond level (CCL): 915.92 mb = 822.30 m = 2697.81 ft Mean mixing ratio: 18.39 g/kg Conv temperature: 29.20 C = 84.57 F Cap Strength: 0.30 C Lifted Index: -3.50 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -3.58 C Lifted Index @700 mb: -2.24 C Showalter Index: -1.74 C Risk: Thunderstorms probable Total Totals Index: 44.90 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 22.90 C Cross Totals Index: 22.00 C K Index: 40.30 Risk: > 80 % chance of thunderstorms Sweat Index: 250.40 Risk: None Energy Index: -1.46 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1580.65 J/kg Max Up Vert Vel: 56.23 m/s Conv Inhibition (B-): 1.25 J/kg Cap Strength: 0.30 C Lift Cond Lev (LCL): 926.11 mb = 726.42 m = 2383.24 ft Lev Free Conv (LFC): 901.11 mb = 963.16 m = 3159.95 ft Equ Level (EL): 121.11 mb = 15491.12 m = 50823.28 ft B at Equ Level: 1567.50 J/kg Max Parcel Lev (MPL): 71.11 mb = 18520.08 m = 60760.67 ft Wind level data Storm motion: 164 at 9 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 ---------------------------------------------------------- 0 997 74 225 3 2.1 2.1 | 326 8 4.7 -6.8 1 971 305 180 6 0.0 6.0 | 319 4 2.5 -2.9 2 938 610 165 9 -2.3 8.7 | 319 0 0.2 -0.2 3 925 737 160 10 -3.4 9.4 | 118 1 -0.9 0.5 4 906 914 155 12 -5.1 10.9 | 127 3 -2.5 1.9 5 875 1219 155 9 -3.8 8.2 | 59 1 -1.3 -0.8 6 850 1468 160 10 -3.4 9.4 | 118 1 -0.9 0.5 7 844 1524 160 9 -3.1 8.5 | 49 1 -0.5 -0.5 8 786 2134 135 8 -5.7 5.7 | 44 5 -3.1 -3.3 9 731 2743 105 12 -11.6 3.1 | 57 11 -9.1 -5.8 10 700 3116 110 15 -14.1 5.1 | 72 12 -11.6 -3.8 11 542 5182 150 14 -7.0 12.1 | 126 5 -4.5 3.2 12 503 5791 120 18 -15.6 9.0 | 90 13 -13.1 0.1 13 500 5840 130 18 -13.8 11.6 | 103 12 -11.3 2.6 14 430 7010 160 19 -6.5 17.9 | 156 10 -4.0 8.9 15 400 7560 110 25 -23.5 8.6 | 89 21 -21.0 -0.4 16 381 7925 105 26 -25.1 6.7 | 84 23 -22.6 -2.2 17 365 8230 100 32 -31.5 5.6 | 83 29 -29.0 -3.4 18 310 9449 100 34 -33.5 5.9 | 84 31 -31.0 -3.0 19 300 9690 90 28 -28.0 0.0 | 71 27 -25.5 -8.9 20 297 9754 95 29 -28.9 2.5 | 76 27 -26.4 -6.4 21 273 10363 85 31 -30.9 -2.7 | 68 31 -28.3 -11.6 22 250 10970 95 27 -26.9 2.4 | 75 25 -24.4 -6.6 23 250 10973 90 31 -31.0 0.0 | 73 30 -28.5 -8.9 24 228 11582 90 20 -20.0 0.0 | 63 20 -17.5 -8.9 25 208 12192 65 17 -15.4 -7.2 | 39 21 -12.9 -16.1 26 200 12460 70 17 -16.0 -5.8 | 42 20 -13.4 -14.7 27 156 14021 70 29 -27.3 -9.9 | 53 31 -24.7 -18.8 28 150 14250 75 31 -29.9 -8.0 | 58 32 -27.4 -17.0 29 148 14326 75 34 -32.8 -8.8 | 60 35 -30.3 -17.7 30 102 16459 100 47 -46.3 8.2 | 89 44 -43.8 -0.8 31 102 16470 100 47 -46.3 8.2 | 89 44 -43.8 -0.8 32 100 16580 95 55 -54.8 4.8 | 85 52 -52.3 -4.1 33 97 16764 95 51 -50.8 4.4 | 85 48 -48.3 -4.5 34 70 18610 125 22 -18.0 12.6 | 103 16 -15.5 3.7 35 50 20620 65 13 -11.8 -5.5 | 33 17 -9.2 -14.4 36 30 23710 95 58 -57.8 5.1 | 86 55 -55.2 -3.9 37 21 25954 95 77 -76.7 6.7 | 88 74 -74.2 -2.2 38 20 26270 90 70 -70.0 0.0 | 82 68 -67.5 -8.9 39 10 30870 80 29 -28.6 -5.0 | 62 30 -26.0 -14.0 Wind Parameters Mean winds (0-6000m): 134.2 at 12.4 knts Storm direction: 164.2 at 9.3 knts Shear (0-3000m) pos: 0.3 neg: 3.0 tot: 3.3 10-3/s Storm rel Dir Shear (0-3000m): 104.6 deg Storm rel helicity (0-3000m) pos: 9.8 neg: -3.8 tot: 6.0 m^2/s^2 ave: 2.0 10^-3 m/s^2 rel: 0.06 Storm rel vorticity (0-3000m) horiz: 5.0 stream: 0.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 140.80 Bulk Shear: 11.23 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 ------------------------------------------------------------------------------- 500 180 6 319 4| 0.0 7.7 7.7| 0.0 -2.1 -2.1 -4.2 -0.16| 8.0 -1.3 1000 166 8 333 1| 0.0 5.1 5.1| 0.1 -2.6 -2.5 -2.5 -0.02| 6.7 -0.1 1500 162 9 9 1| 0.5 3.4 3.9| 0.4 -3.3 -3.0 -2.0 -0.10| 5.6 -0.6 2000 159 9 34 1| 0.4 2.6 3.0| 0.4 -3.6 -3.3 -1.6 -0.10| 5.0 -0.5 2500 152 9 54 2| 0.3 2.8 3.1| 2.4 -3.6 -1.2 -0.5 -0.02| 5.0 -0.1 3000 141 9 65 4| 0.3 3.0 3.3| 9.8 -3.8 6.0 2.0 0.06| 5.0 0.3 4000 133 11 74 6| 0.6 2.2 2.8| 20.4 -3.8 16.6 4.2 0.16| 4.4 0.7 5000 134 12 81 6| 1.0 1.8 2.8| 27.6 -3.8 23.8 4.8 0.24| 4.0 1.0 6000 134 12 87 6| 0.9 1.9 2.8| 41.7 -16.3 25.4 4.2 0.17| 4.6 0.8 Wrote GIF file: /home/apache/climate/data/raob//VO371/skewt/VO371.skewt.20251017.12.gif