UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122100.upa.cvt Date: 0000Z 21 DEC 25 Searching for VO371... Searching the city database file for: VO371 ... Date:0000Z 21 DEC 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 82 21.4 19.0 86 2.4 19.8 90 2 294.5 297.1 292.9 334.5 13.96 1 925 754 20.6 14.6 68 6.0 16.7 190 3 300.4 302.5 292.7 333.7 11.37 2 850 1475 18.6 -6.4 18 25.0 6.8 65 2 305.6 306.1 286.9 314.4 2.78 3 700 3109 11.6 -27.4 5 39.0 -0.7 135 6 315.3 315.4 287.9 317.4 0.58 4 500 5840 -4.1 -36.1 6 32.0 -11.5 110 28 328.0 328.1 291.5 329.4 0.35 5 400 7570 -14.9 -26.9 35 12.0 -18.1 120 17 335.6 335.8 294.2 339.5 1.06 6 300 9690 -29.9 -39.9 37 10.0 -31.3 120 20 343.2 343.3 295.4 344.8 0.40 7 250 10960 -40.5 -47.5 47 7.0 -41.1 180 20 345.9 345.9 295.9 346.7 0.21 8 200 12440 -53.3 -63.3 29 10.0 -53.5 135 16 348.4 348.4 296.3 348.5 0.04 9 150 14230 -67.1 -78.1 20 11.0 -67.2 140 13 354.5 354.5 297.6 354.5 0.01 10 100 16570 -82.5 -88.5 35 6.0 -82.5 45 7 368.3 368.3 300.2 368.3 0.00 11 83 17604 -85.7 -91.7 33 6.0 -85.7 50 16 382.0 382.0 302.6 382.0 0.00 12 75 18162 -85.3 -91.3 33 6.0 -85.3 89 17 394.0 394.0 304.4 394.0 0.00 13 72 18390 -79.9 -89.9 17 10.0 -79.9 104 18 410.1 410.1 306.5 410.1 0.00 14 70 18550 -78.3 -88.3 18 10.0 -78.3 115 18 416.9 416.9 307.3 416.9 0.00 15 67 18802 -75.7 -86.7 16 11.0 -75.7 427.8 427.8 308.6 427.8 0.00 TRP 83 17604 -85.7 -91.7 33 6.0 -85.7 50 16 382.0 382.0 302.6 382.0 0.00 WND Sounding variables and indices 1000-500 mb thick: 5757.71 m Freezing level: 552.23 mb = 5126.81 m = 16820.03 ft Wetbulb zero: 713.67 mb = 2946.27 m = 9666.12 ft Precipitable water: 0.79 inches Sfc-500 mean rel hum: 19.76 % Est. max temperature: 32.48 C = 90.47 F Sfc-Lift cond lev (LCL): 965.65 mb = 383.42 m = 1257.92 ft T: 21.04 C 700-500 lapse rate: 5.75 C/km ThetaE index: 20.14 C Layer 925.0- 700.0 mb Conv cond level (CCL): 685.16 mb = 3282.97 m = 10770.75 ft Mean mixing ratio: 11.81 g/kg Conv temperature: 43.01 C = 109.41 F Cap Strength: 6.31 C Lifted Index: 5.78 C Risk: None Lifted Index @300 mb: 8.58 C Lifted Index @700 mb: 6.31 C Showalter Index: 15.54 C Risk: None Total Totals Index: 20.40 C Risk: None Vertical Totals Index: 22.70 C Cross Totals Index: -2.30 C K Index: -22.70 Risk: None Sweat Index: 32.00 Risk: None Energy Index: 3.28 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 22.35 J/kg Max Up Vert Vel: 6.69 m/s Conv Inhibition (B-): 8788.46 J/kg Cap Strength: 6.24 C Lift Cond Lev (LCL): 878.18 mb = 1196.87 m = 3926.71 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 152 at 8 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 82 90 2 -2.0 0.0 | 346 7 1.6 -6.8 1 1000 74 90 2 -2.0 0.0 | 346 7 1.6 -6.8 2 974 305 0 0 -0.0 -0.0 | 332 8 3.6 -6.8 3 940 610 180 2 0.0 2.0 | 323 6 3.6 -4.8 4 925 754 190 3 0.5 3.0 | 312 6 4.2 -3.8 5 908 914 0 1 -0.0 -1.0 | 335 9 3.6 -7.8 6 850 1475 65 2 -1.8 -0.8 | 346 8 1.8 -7.6 7 845 1524 35 2 -1.1 -1.6 | 343 9 2.5 -8.4 8 815 1829 320 4 2.6 -3.1 | 328 12 6.2 -9.8 9 786 2134 215 4 2.3 3.3 | 300 7 5.9 -3.5 10 758 2438 210 8 4.0 6.9 | 269 8 7.6 0.2 11 731 2743 200 11 3.8 10.3 | 244 8 7.4 3.6 12 700 3109 135 6 -4.2 4.2 | 13 3 -0.6 -2.5 13 679 3353 125 9 -7.4 5.2 | 67 4 -3.7 -1.6 14 630 3962 135 7 -4.9 4.9 | 36 2 -1.3 -1.8 15 607 4267 110 9 -8.5 3.1 | 52 6 -4.8 -3.7 16 585 4572 100 15 -14.8 2.6 | 69 12 -11.1 -4.2 17 563 4877 120 19 -16.5 9.5 | 102 13 -12.8 2.7 18 522 5486 110 26 -24.4 8.9 | 96 21 -20.8 2.1 19 500 5840 110 28 -26.3 9.6 | 97 23 -22.7 2.8 20 484 6096 110 30 -28.2 10.3 | 98 25 -24.5 3.5 21 465 6401 115 28 -25.4 11.8 | 103 22 -21.7 5.1 22 400 7570 120 17 -14.7 8.5 | 99 11 -11.1 1.7 23 381 7925 120 17 -14.7 8.5 | 99 11 -11.1 1.7 24 337 8839 100 29 -28.6 5.0 | 86 25 -24.9 -1.7 25 310 9449 110 18 -16.9 6.2 | 87 13 -13.3 -0.6 26 300 9690 120 20 -17.3 10.0 | 103 14 -13.7 3.2 27 250 10960 180 20 0.0 20.0 | 195 14 3.6 13.2 28 228 11582 185 18 1.6 17.9 | 205 12 5.2 11.2 29 200 12440 135 16 -11.3 11.3 | 121 9 -7.7 4.5 30 163 13716 95 19 -18.9 1.7 | 71 16 -15.3 -5.1 31 150 14230 140 13 -8.4 10.0 | 124 6 -4.7 3.2 32 148 14326 110 11 -10.3 3.8 | 66 7 -6.7 -3.0 33 133 14935 175 19 -1.7 18.9 | 189 12 2.0 12.2 34 119 15545 220 19 12.2 14.6 | 244 18 15.9 7.8 35 113 15850 225 7 4.9 4.9 | 282 9 8.6 -1.8 36 107 16154 255 6 5.8 1.6 | 299 11 9.4 -5.2 37 102 16459 245 1 0.9 0.4 | 324 8 4.6 -6.3 38 100 16570 45 7 -4.9 -4.9 | 6 12 -1.3 -11.7 39 97 16764 50 6 -4.6 -3.9 | 5 11 -0.9 -10.6 40 83 17604 50 16 -12.3 -10.3 | 27 19 -8.6 -17.1 41 70 18550 115 18 -16.3 7.6 | 94 13 -12.7 0.8 Wind Parameters Mean winds (0-6000m): 121.7 at 10.3 knts Storm direction: 151.7 at 7.7 knts Shear (0-3000m) pos: 0.2 neg: 0.9 tot: 1.1 10-3/s Storm rel Dir Shear (0-3000m): 27.7 deg Storm rel helicity (0-3000m) pos: 13.0 neg: -47.2 tot: -34.2 m^2/s^2 ave: -11.4 10^-3 m/s^2 rel: -0.28 Storm rel vorticity (0-3000m) horiz: 7.5 stream: -2.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.94 Bulk Shear: 11.51 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 ------------------------------------------------------------------------------- 500 129 1 335 7| 2.4 0.0 2.4| 1.6 -5.7 -4.1 -8.2 -0.43| 5.3 -2.3 1000 165 1 329 6| 1.2 1.5 2.7| 9.9 -8.5 1.4 1.4 -0.01| 6.4 -0.0 1500 97 2 342 7| 0.5 1.0 1.5| 12.5 -9.7 2.8 1.9 0.04| 5.2 0.2 2000 338 2 333 10| 0.3 1.1 1.5| 12.5 -30.2 -17.7 -8.8 -0.27| 6.4 -1.8 2500 219 3 309 7| 0.3 1.9 2.2| 12.5 -41.5 -29.0 -11.6 -0.40| 6.5 -2.6 3000 200 4 301 6| 0.2 0.9 1.1| 13.0 -47.2 -34.2 -11.4 -0.28| 7.5 -2.1 4000 162 5 314 3| 0.2 0.9 1.0| 15.3 -48.2 -33.0 -8.2 -0.21| 6.5 -1.3 5000 134 7 34 2| 0.9 1.5 2.3| 43.4 -49.9 -6.5 -1.3 -0.02| 7.1 -0.1 6000 122 10 75 5| 0.7 2.0 2.7| 48.6 -56.7 -8.2 -1.4 -0.02| 6.7 -0.2 Wrote GIF file: /home/apache/climate/data/raob//VO371/skewt/VO371.skewt.20251221.00.gif