UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102100.upa.cvt Date: 0000Z 21 OCT 25 Searching for VO466... Searching the city database file for: VO466 ... Date:0000Z 21 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 24.0 21.2 84 2.8 22.1 315 1 296.6 299.5 295.0 342.7 15.95 1 1000 58 24.0 23.0 94 1.0 23.3 70 3 297.1 300.4 296.4 349.2 17.96 2 925 737 20.6 20.0 96 0.6 20.2 255 7 300.4 303.3 296.1 347.6 16.11 3 850 1470 16.8 16.0 95 0.8 16.3 255 13 303.7 306.3 295.3 344.1 13.58 4 705 3048 10.0 9.1 94 0.9 9.5 237 19 312.9 314.9 295.5 344.9 10.35 5 700 3107 9.6 8.8 95 0.8 9.1 240 19 313.1 315.1 295.4 344.7 10.22 6 564 4871 0.0 -0.6 96 0.6 -0.3 257 7 321.8 323.0 295.0 342.8 6.51 7 502 5798 -3.9 -4.8 93 0.9 -4.4 261 10 327.9 329.0 295.7 345.7 5.34 8 500 5830 -4.1 -5.0 93 0.9 -4.6 265 10 328.0 329.1 295.7 345.6 5.28 9 420 7187 -11.1 -12.6 89 1.5 -11.8 321 3 335.8 336.5 296.1 347.9 3.46 10 400 7560 -13.7 -15.4 87 1.7 -14.3 275 3 337.2 337.8 296.0 347.4 2.89 11 365 8252 -17.7 -19.6 85 1.9 -18.3 307 4 340.8 341.3 296.4 348.8 2.22 12 313 9384 -26.1 -29.6 72 3.5 -26.9 341 6 344.4 344.6 296.3 348.4 1.05 13 300 9690 -28.7 -32.4 70 3.7 -29.4 20 5 344.9 345.1 296.2 348.1 0.84 14 250 10970 -38.9 -42.7 67 3.8 -39.3 120 5 348.2 348.3 296.5 349.7 0.35 15 249 10998 -39.1 -42.9 67 3.8 -39.5 119 5 348.3 348.4 296.5 349.7 0.35 16 200 12460 -52.3 -56.0 64 3.7 -52.4 65 21 349.9 350.0 296.7 350.4 0.10 17 185 12957 -56.9 -61.0 60 4.1 -57.0 58 26 350.4 350.4 296.8 350.6 0.06 18 150 14240 -69.9 -72.5 69 2.6 -69.9 50 37 349.7 349.7 296.5 349.7 0.01 19 115 15766 -82.7 -85.0 67 2.3 -82.7 75 44 353.5 353.5 297.4 353.5 0.00 20 100 16550 -79.5 -81.6 71 2.1 -79.5 95 37 374.1 374.1 301.3 374.1 0.01 TRP 115 15766 -82.7 -85.0 67 2.3 -82.7 75 44 353.5 353.5 297.4 353.5 0.00 WND Sounding variables and indices 1000-500 mb thick: 5772.00 m Freezing level: 564.00 mb = 4870.99 m = 15980.74 ft Wetbulb zero: 568.78 mb = 4802.03 m = 15754.50 ft Precipitable water: 2.54 inches Sfc-500 mean rel hum: 94.94 % Est. max temperature: 30.83 C = 87.50 F Sfc-Lift cond lev (LCL): 966.04 mb = 358.95 m = 1177.64 ft T: 22.49 C 700-500 lapse rate: 5.03 C/km ThetaE index: 5.05 C Layer 925.0- 705.0 mb Conv cond level (CCL): 927.34 mb = 714.96 m = 2345.64 ft Mean mixing ratio: 16.79 g/kg Conv temperature: 27.63 C = 81.74 F Cap Strength: 0.46 C Lifted Index: -0.43 C Risk: Thunderstorms probable Lifted Index @300 mb: 0.75 C Lifted Index @700 mb: -0.44 C Showalter Index: 1.04 C Risk: Showers probable Total Totals Index: 41.00 C Risk: None Vertical Totals Index: 20.90 C Cross Totals Index: 20.10 C K Index: 36.10 Risk: > 80 % chance of thunderstorms Sweat Index: 228.00 Risk: None Energy Index: 0.18 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 147.42 J/kg Max Up Vert Vel: 17.17 m/s Conv Inhibition (B-): 3.63 J/kg Cap Strength: 0.46 C Lift Cond Lev (LCL): 944.15 mb = 558.56 m = 1832.52 ft Lev Free Conv (LFC): 889.15 mb = 1079.68 m = 3542.22 ft Equ Level (EL): 449.15 mb = 6664.86 m = 21866.08 ft B at Equ Level: 146.98 J/kg Max Parcel Lev (MPL): 239.15 mb = 11266.98 m = 36964.72 ft Wind level data Storm motion: 274 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 6 315 1 0.7 -0.7 | 88 7 -7.0 -0.2 1 1000 58 70 3 -2.8 -1.0 | 87 11 -10.5 -0.5 2 972 305 235 6 4.9 3.4 | 145 5 -2.8 3.9 3 925 737 255 7 6.8 1.8 | 158 2 -0.9 2.3 4 906 914 270 7 7.0 -0.0 | 126 1 -0.7 0.5 5 875 1219 260 12 11.8 2.1 | 238 5 4.1 2.6 6 850 1470 255 13 12.6 3.4 | 232 6 4.9 3.9 7 815 1829 215 14 8.0 11.5 | 182 12 0.3 12.0 8 786 2134 230 10 7.7 6.4 | 180 7 -0.0 6.9 9 758 2438 230 16 12.3 10.3 | 203 12 4.6 10.8 10 731 2743 220 18 11.6 13.8 | 195 15 3.9 14.3 11 700 3107 240 19 16.5 9.5 | 221 13 8.8 10.0 12 654 3658 255 13 12.6 3.4 | 232 6 4.9 3.9 13 630 3962 235 2 1.6 1.1 | 105 6 -6.0 1.7 14 607 4267 105 4 -3.9 1.0 | 98 12 -11.5 1.5 15 584 4572 255 5 4.8 1.3 | 122 3 -2.9 1.8 16 542 5182 260 9 8.9 1.6 | 210 2 1.2 2.1 17 522 5486 270 11 11.0 -0.0 | 261 3 3.3 0.5 18 502 5791 260 10 9.8 1.7 | 224 3 2.2 2.2 19 500 5830 265 10 10.0 0.9 | 239 3 2.3 1.4 20 465 6401 270 7 7.0 -0.0 | 126 1 -0.7 0.5 21 429 7010 290 2 1.9 -0.7 | 88 6 -5.8 -0.2 22 413 7315 345 3 0.8 -2.9 | 71 7 -6.9 -2.4 23 400 7560 275 3 3.0 -0.3 | 93 5 -4.7 0.2 24 381 7925 290 4 3.8 -1.4 | 78 4 -3.9 -0.9 25 365 8230 305 4 3.3 -2.3 | 68 5 -4.4 -1.8 26 351 8534 10 3 -0.5 -3.0 | 73 9 -8.2 -2.5 27 337 8839 35 6 -3.4 -4.9 | 68 12 -11.1 -4.4 28 323 9144 360 4 -0.0 -4.0 | 66 8 -7.7 -3.5 29 310 9449 335 6 2.5 -5.4 | 46 7 -5.1 -4.9 30 300 9690 20 5 -1.7 -4.7 | 66 10 -9.4 -4.2 31 297 9754 10 4 -0.7 -3.9 | 68 9 -8.4 -3.4 32 285 10058 15 5 -1.3 -4.8 | 64 10 -9.0 -4.3 33 273 10363 95 7 -7.0 0.6 | 94 15 -14.7 1.1 34 250 10970 120 5 -4.3 2.5 | 104 12 -12.0 3.0 35 239 11278 110 8 -7.5 2.7 | 102 16 -15.2 3.2 36 228 11582 80 13 -12.8 -2.3 | 85 21 -20.5 -1.8 37 200 12460 65 21 -19.0 -8.9 | 73 28 -26.7 -8.4 38 189 12802 60 24 -20.8 -12.0 | 68 31 -28.5 -11.5 39 180 13106 55 29 -23.8 -16.6 | 63 35 -31.4 -16.1 40 150 14240 50 37 -28.3 -23.8 | 57 43 -36.0 -23.3 41 120 15545 75 36 -34.8 -9.3 | 78 43 -42.5 -8.8 42 115 15766 75 44 -42.5 -11.4 | 78 51 -50.2 -10.9 43 113 15850 75 38 -36.7 -9.8 | 78 45 -44.4 -9.3 44 107 16154 80 51 -50.2 -8.9 | 82 59 -57.9 -8.4 45 102 16459 85 53 -52.8 -4.6 | 86 61 -60.5 -4.1 46 100 16550 95 37 -36.9 3.2 | 95 45 -44.5 3.7 47 91 17069 110 23 -21.6 7.9 | 106 30 -29.3 8.4 48 86 17374 145 9 -5.2 7.4 | 122 15 -12.8 7.9 49 81 17678 270 8 8.0 -0.0 | 212 1 0.3 0.5 50 77 17983 265 13 13.0 1.1 | 253 6 5.3 1.6 51 73 18288 330 12 6.0 -10.4 | 10 10 -1.7 -9.9 52 69 18593 305 17 13.9 -9.8 | 326 11 6.2 -9.2 53 65 18898 5 6 -0.5 -6.0 | 56 10 -8.2 -5.5 54 58 19507 70 4 -3.8 -1.4 | 86 11 -11.4 -0.9 55 55 19812 70 14 -13.2 -4.8 | 78 21 -20.8 -4.3 56 52 20117 105 25 -24.1 6.5 | 102 33 -31.8 7.0 57 49 20422 105 30 -29.0 7.8 | 103 38 -36.7 8.3 58 46 20726 100 25 -24.6 4.3 | 99 33 -32.3 4.8 59 42 21336 75 26 -25.1 -6.7 | 79 33 -32.8 -6.2 60 39 21641 45 36 -25.5 -25.5 | 53 41 -33.1 -25.0 61 37 21946 75 43 -41.5 -11.1 | 78 50 -49.2 -10.6 62 33 22555 100 51 -50.2 8.9 | 99 59 -57.9 9.4 63 30 23165 90 44 -44.0 0.0 | 91 52 -51.7 0.5 64 28 23470 85 49 -48.8 -4.3 | 86 57 -56.5 -3.8 65 27 23774 90 53 -53.0 0.0 | 90 61 -60.7 0.5 Wind Parameters Mean winds (0-6000m): 243.7 at 10.3 knts Storm direction: 273.7 at 7.7 knts Shear (0-3000m) pos: 1.7 neg: 2.1 tot: 3.8 10-3/s Storm rel Dir Shear (0-3000m): 125.2 deg Storm rel helicity (0-3000m) pos: 45.6 neg: -23.0 tot: 22.6 m^2/s^2 ave: 7.5 10^-3 m/s^2 rel: 0.18 Storm rel vorticity (0-3000m) horiz: 9.0 stream: 1.6 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 37.75 Bulk Shear: 3.91 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 ------------------------------------------------------------------------------- 500 235 5 132 5| 0.0 6.4 6.4| 21.1 0.0 21.1 42.3 0.57| 16.9 9.7 1000 251 6 140 3| 1.8 3.2 5.0| 21.8 -0.2 21.5 21.5 0.51| 10.9 5.6 1500 255 8 178 2| 1.2 4.0 5.2| 22.1 -2.4 19.7 13.1 0.37| 9.4 3.5 2000 245 9 189 4| 0.9 3.2 4.1| 22.1 -18.1 4.1 2.0 0.09| 9.8 0.9 2500 240 10 190 6| 1.4 2.6 4.0| 29.6 -18.7 10.8 4.3 0.14| 9.4 1.3 3000 236 11 194 7| 1.7 2.1 3.8| 45.6 -23.0 22.6 7.5 0.18| 9.0 1.6 4000 239 12 200 7| 1.3 1.5 2.8| 56.8 -34.3 22.5 5.6 0.04| 9.4 0.4 5000 239 10 192 6| 1.7 1.2 2.8| 70.4 -39.0 31.4 6.3 0.09| 9.4 0.9 6000 244 10 197 5| 1.7 1.1 2.8| 72.9 -40.4 32.5 5.4 0.10| 8.4 0.9 Wrote GIF file: /home/apache/climate/data/raob//VO466/skewt/VO466.skewt.20251021.00.gif