UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102000.upa.cvt Date: 0000Z 20 OCT 25 Searching for VO466... Searching the city database file for: VO466 ... Date:0000Z 20 OCT 25 Station: VO466 WMO ident: 43466 Latitude: 6.90 Longitude: 79.87 ------------------------------------------------------------------------------- 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 1006 6 24.6 21.7 84 2.9 22.5 95 1 297.2 300.2 295.5 344.9 16.46 1 1000 58 23.4 22.9 97 0.5 23.0 70 5 296.5 299.8 296.2 348.1 17.85 2 996 93 23.2 22.9 98 0.3 23.0 54 5 296.7 299.9 296.3 348.5 17.92 3 975 280 23.8 22.4 92 1.4 22.8 327 8 299.1 302.3 296.8 350.9 17.76 4 925 739 21.4 20.6 95 0.8 20.8 350 12 301.2 304.3 296.7 350.4 16.74 5 874 1231 18.4 17.9 97 0.5 18.1 1 11 303.0 305.8 296.0 347.2 14.93 6 852 1451 18.6 15.6 83 3.0 16.5 28 12 305.4 307.9 295.5 344.9 13.20 7 850 1471 18.6 15.7 83 2.9 16.6 30 12 305.6 308.1 295.6 345.5 13.32 8 763 2392 12.8 11.3 91 1.5 11.9 40 12 308.9 311.0 295.0 342.7 11.10 9 700 3115 9.8 8.0 89 1.8 8.7 40 11 313.3 315.2 295.1 343.3 9.67 10 677 3392 8.8 5.6 80 3.2 6.9 39 11 315.2 316.9 294.7 341.7 8.46 11 582 4628 1.4 -0.9 85 2.3 0.1 58 12 320.5 321.7 294.4 340.4 6.17 12 562 4909 0.0 -2.0 86 2.0 -1.1 46 8 322.1 323.2 294.6 341.2 5.89 13 526 5438 -1.9 -4.9 80 3.0 -3.4 56 7 326.0 327.0 295.0 342.7 5.06 14 500 5840 -4.1 -7.4 78 3.3 -5.7 50 4 328.0 328.9 295.0 342.8 4.39 15 438 6874 -9.3 -12.7 76 3.4 -10.7 80 4 334.1 334.8 295.6 345.5 3.29 16 400 7570 -13.9 -16.2 83 2.3 -14.7 90 13 336.9 337.5 295.8 346.5 2.70 17 341 8768 -22.1 -24.7 79 2.6 -22.8 122 18 341.5 341.8 296.0 347.1 1.51 18 300 9700 -29.1 -32.2 74 3.1 -29.7 105 20 344.4 344.5 296.1 347.6 0.86 19 273 10364 -34.7 -38.1 71 3.4 -35.1 97 23 345.7 345.8 296.1 347.7 0.52 20 250 10970 -39.9 -44.4 62 4.5 -40.3 90 26 346.7 346.8 296.2 347.9 0.29 21 200 12450 -53.7 -58.6 55 4.9 -53.8 90 23 347.7 347.7 296.2 348.0 0.07 22 166 13618 -64.1 -72.1 33 8.0 -64.2 81 23 349.4 349.4 296.5 349.4 0.01 23 150 14230 -69.7 -75.7 41 6.0 -69.7 95 36 350.0 350.0 296.7 350.1 0.01 24 116 15715 -81.5 -85.6 50 4.1 -81.5 80 54 354.9 354.9 297.7 354.9 0.00 25 109 16064 -82.1 -86.6 46 4.5 -82.1 80 55 360.1 360.1 298.7 360.1 0.00 26 100 16550 -78.5 -85.5 31 7.0 -78.5 125 29 376.1 376.1 301.6 376.1 0.00 TRP 116 15715 -81.5 -85.6 50 4.1 -81.5 80 54 354.9 354.9 297.7 354.9 0.00 WND Sounding variables and indices 1000-500 mb thick: 5782.00 m Freezing level: 562.00 mb = 4908.93 m = 16105.22 ft Wetbulb zero: 579.72 mb = 4659.32 m = 15286.30 ft Precipitable water: 2.44 inches Sfc-500 mean rel hum: 86.82 % Est. max temperature: 32.35 C = 90.23 F Sfc-Lift cond lev (LCL): 964.69 mb = 372.40 m = 1221.76 ft T: 23.32 C 700-500 lapse rate: 5.10 C/km ThetaE index: 6.03 C Layer 925.0- 850.0 mb Conv cond level (CCL): 916.83 mb = 815.91 m = 2676.85 ft Mean mixing ratio: 17.22 g/kg Conv temperature: 28.84 C = 83.91 F Cap Strength: 0.83 C Lifted Index: -1.19 C Risk: Thunderstorms probable Lifted Index @300 mb: -0.76 C Lifted Index @700 mb: -0.83 C Showalter Index: 0.51 C Risk: Thunderstorms probable Total Totals Index: 42.50 C Risk: None Vertical Totals Index: 22.70 C Cross Totals Index: 19.80 C K Index: 36.60 Risk: > 80 % chance of thunderstorms Sweat Index: 216.40 Risk: None Energy Index: -0.61 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 448.13 J/kg Max Up Vert Vel: 29.94 m/s Conv Inhibition (B-): 8.65 J/kg Cap Strength: 0.82 C Lift Cond Lev (LCL): 941.80 mb = 581.98 m = 1909.36 ft Lev Free Conv (LFC): 886.80 mb = 1104.76 m = 3624.49 ft Equ Level (EL): 866.80 mb = 1302.20 m = 4272.25 ft B at Equ Level: 19.92 J/kg Wind level data Storm motion: 63 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 1006 6 95 1 -1.0 0.1 | 239 7 5.9 3.6 1 1000 58 70 5 -4.7 -1.7 | 231 3 2.2 1.8 2 972 305 315 8 5.7 -5.7 | 280 13 12.6 -2.2 3 925 739 350 12 2.1 -11.8 | 313 12 9.0 -8.3 4 906 914 350 11 1.9 -10.8 | 310 11 8.8 -7.3 5 875 1219 360 11 -0.0 -11.0 | 317 10 6.9 -7.5 6 850 1471 30 12 -6.0 -10.4 | 352 7 0.9 -6.9 7 815 1829 40 13 -8.4 -10.0 | 13 7 -1.4 -6.5 8 700 3115 40 11 -7.1 -8.4 | 2 5 -0.2 -4.9 9 607 4267 35 12 -6.9 -9.8 | 360 6 0.0 -6.3 10 585 4572 60 13 -11.3 -6.5 | 55 5 -4.3 -3.0 11 563 4877 45 8 -5.7 -5.7 | 330 2 1.3 -2.2 12 542 5182 60 9 -7.8 -4.5 | 41 1 -0.9 -1.0 13 500 5840 50 4 -3.1 -2.6 | 256 4 3.9 0.9 14 484 6096 20 5 -1.7 -4.7 | 283 5 5.2 -1.2 15 447 6706 75 5 -4.8 -1.3 | 223 3 2.1 2.2 16 430 7010 85 4 -4.0 -0.3 | 223 4 2.9 3.2 17 413 7315 120 8 -6.9 4.0 | 180 8 -0.0 7.5 18 400 7570 90 13 -13.0 0.0 | 120 7 -6.1 3.5 19 397 7620 100 12 -11.8 2.1 | 139 7 -4.9 5.6 20 381 7925 105 14 -13.5 3.6 | 137 10 -6.6 7.1 21 366 8230 135 15 -10.6 10.6 | 165 15 -3.7 14.1 22 310 9449 105 21 -20.3 5.4 | 124 16 -13.4 8.9 23 300 9700 105 20 -19.3 5.2 | 125 15 -12.4 8.7 24 250 10970 90 26 -26.0 0.0 | 100 19 -19.1 3.5 25 200 12450 90 23 -23.0 0.0 | 102 16 -16.1 3.5 26 163 13716 80 23 -22.7 -4.0 | 88 16 -15.7 -0.5 27 155 14021 90 30 -30.0 0.0 | 99 23 -23.1 3.5 28 150 14230 95 36 -35.9 3.1 | 103 30 -28.9 6.6 29 119 15545 80 44 -43.3 -7.6 | 84 37 -36.4 -4.1 30 116 15715 80 54 -53.2 -9.4 | 83 47 -46.3 -5.9 31 107 16154 80 55 -54.2 -9.6 | 83 48 -47.2 -6.0 32 102 16459 95 57 -56.8 5.0 | 100 51 -49.9 8.5 33 100 16550 125 29 -23.8 16.6 | 140 26 -16.8 20.1 34 91 17069 130 23 -17.6 14.8 | 150 21 -10.7 18.3 35 81 17678 255 13 12.6 3.4 | 251 21 19.5 6.9 36 73 18288 320 13 8.4 -10.0 | 293 17 15.3 -6.5 37 65 18898 285 19 18.4 -4.9 | 273 25 25.3 -1.4 38 62 19202 295 8 7.3 -3.4 | 269 14 14.2 0.1 39 58 19507 35 3 -1.7 -2.5 | 259 5 5.2 1.0 40 55 19812 85 12 -12.0 -1.0 | 116 6 -5.0 2.5 41 52 20117 45 5 -3.5 -3.5 | 271 3 3.4 -0.0 42 49 20422 100 16 -15.8 2.8 | 125 11 -8.8 6.3 Wind Parameters Mean winds (0-6000m): 33.1 at 10.3 knts Storm direction: 63.1 at 7.8 knts Shear (0-3000m) pos: 2.2 neg: 1.7 tot: 4.0 10-3/s Storm rel Dir Shear (0-3000m): 124.3 deg Storm rel helicity (0-3000m) pos: 48.2 neg: -9.6 tot: 38.6 m^2/s^2 ave: 12.9 10^-3 m/s^2 rel: 0.46 Storm rel vorticity (0-3000m) horiz: 6.2 stream: 2.9 10^-3/s Energy-Hel index: 0.13 Bulk Rich Number: 45.02 Bulk Shear: 9.95 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 ------------------------------------------------------------------------------- 500 337 7 287 10| 0.0 10.7 10.7| 15.5 -7.1 8.5 16.9 0.27| 19.9 5.4 1000 344 9 299 11| 2.1 5.4 7.5| 29.6 -8.2 21.5 21.5 0.37| 12.6 4.7 1500 354 10 309 10| 3.8 3.6 7.4| 44.4 -8.2 36.2 24.2 0.48| 11.1 5.3 2000 8 11 322 9| 3.3 2.7 6.0| 48.2 -8.3 39.9 19.9 0.51| 8.9 4.5 2500 16 11 331 8| 2.7 2.1 4.8| 48.2 -8.9 39.2 15.7 0.49| 7.3 3.5 3000 21 11 336 7| 2.2 1.7 4.0| 48.2 -9.6 38.6 12.9 0.46| 6.2 2.9 4000 26 11 342 7| 1.7 1.4 3.1| 48.2 -9.9 38.2 9.6 0.44| 4.8 2.1 5000 30 11 348 6| 1.7 1.3 3.0| 55.5 -13.3 42.2 8.4 0.37| 5.0 1.8 6000 33 10 346 5| 1.3 1.3 2.6| 57.5 -14.4 43.1 7.2 0.31| 4.8 1.5 Wrote GIF file: /home/apache/climate/data/raob//VO466/skewt/VO466.skewt.20251020.00.gif