UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120412.upa.cvt Date: 1200Z 4 DEC 25 Searching for VO466... Searching the city database file for: VO466 ... Date:1200Z 4 DEC 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 1010 7 29.0 23.0 70 6.0 24.6 275 4 301.3 304.6 297.4 353.7 17.78 1 1000 95 27.2 24.0 83 3.2 24.9 300 8 300.4 303.8 298.0 356.5 19.11 2 981 265 25.6 23.6 89 2.0 24.2 288 10 300.4 303.9 298.0 356.3 19.02 3 947 576 25.2 20.2 74 5.0 21.6 319 8 303.0 306.0 296.7 350.2 15.93 4 925 782 23.4 19.7 80 3.7 20.8 345 5 303.2 306.2 296.7 350.1 15.81 5 854 1471 17.6 16.9 96 0.7 17.1 13 11 304.2 306.8 295.9 346.8 14.33 6 850 1511 17.6 16.4 93 1.2 16.8 15 11 304.6 307.2 295.8 346.2 13.94 7 702 3127 8.8 8.1 95 0.7 8.3 112 12 312.0 313.8 294.8 341.9 9.71 8 700 3151 8.6 7.9 95 0.7 8.2 110 14 312.0 313.8 294.7 341.6 9.60 9 603 4366 0.0 -3.7 76 3.7 -1.8 64 9 315.7 316.6 292.0 331.1 4.83 10 560 4957 -1.7 -3.8 86 2.1 -2.7 67 13 320.4 321.4 293.6 337.1 5.16 11 534 5334 -4.3 -9.3 68 5.0 -6.5 67 15 321.7 322.4 292.6 333.4 3.54 12 522 5512 -5.7 -10.3 70 4.6 -7.7 70 16 322.1 322.8 292.6 333.2 3.35 13 511 5679 -6.5 -9.9 77 3.4 -7.9 72 16 323.1 323.8 293.0 334.8 3.53 14 505 5772 -5.5 -6.7 91 1.2 -6.1 74 17 325.4 326.3 294.4 340.6 4.59 15 500 5850 -5.9 -6.6 95 0.7 -6.2 75 17 325.8 326.8 294.6 341.3 4.67 16 493 5960 -6.9 -8.2 90 1.3 -7.5 71 17 325.9 326.8 294.3 339.9 4.18 17 481 6152 -8.5 -14.5 62 6.0 -10.8 62 16 326.3 326.8 293.1 335.1 2.58 18 453 6615 -11.7 -21.7 43 10.0 -14.7 40 12 327.9 328.2 292.6 333.1 1.49 19 411 7356 -15.9 -28.9 32 13.0 -19.0 19 5 331.7 331.9 293.0 334.9 0.85 20 400 7560 -16.9 -27.9 38 11.0 -19.6 10 4 333.0 333.2 293.4 336.5 0.96 21 390 7750 -18.3 -30.3 34 12.0 -21.0 39 3 333.6 333.8 293.4 336.5 0.79 22 379 7964 -18.9 -23.2 69 4.3 -20.1 91 2 335.6 335.9 294.6 341.2 1.56 23 354 8470 -22.3 -26.3 70 4.0 -23.3 155 4 337.6 337.9 294.8 342.2 1.26 24 349 8575 -23.1 -27.5 67 4.4 -24.1 150 5 337.9 338.1 294.8 342.1 1.15 25 338 8809 -24.7 -36.7 32 12.0 -26.7 196 9 338.8 338.9 294.5 340.7 0.49 26 329 9006 -25.7 -41.7 21 16.0 -27.9 177 14 340.1 340.1 294.6 341.3 0.30 27 316 9297 -27.5 -45.5 16 18.0 -29.7 147 18 341.5 341.6 294.9 342.3 0.21 28 302 9623 -29.9 -43.9 24 14.0 -31.6 141 21 342.6 342.6 295.2 343.6 0.26 29 300 9670 -30.1 -42.1 30 12.0 -31.6 140 21 343.0 343.0 295.3 344.2 0.31 30 298 9718 -30.5 -39.5 41 9.0 -31.7 141 21 343.0 343.1 295.4 344.7 0.42 31 288 9961 -31.3 -45.3 24 14.0 -32.9 144 23 345.3 345.3 295.8 346.2 0.23 32 253 10868 -38.7 -55.7 15 17.0 -39.8 166 29 347.3 347.4 296.1 347.7 0.08 33 250 10950 -39.3 -56.3 15 17.0 -40.3 170 30 347.6 347.7 296.2 348.0 0.07 34 223 11719 -46.1 -55.1 35 9.0 -46.5 189 28 348.7 348.8 296.4 349.2 0.10 35 204 12302 -51.5 -63.5 23 12.0 -51.8 198 29 349.2 349.2 296.5 349.4 0.04 36 200 12430 -52.7 -64.7 22 12.0 -53.0 195 27 349.3 349.3 296.5 349.5 0.03 37 171 13419 -61.9 -69.9 34 8.0 -62.0 197 22 350.1 350.1 296.7 350.2 0.02 38 150 14220 -66.5 -76.5 23 10.0 -66.5 230 25 355.5 355.5 297.8 355.6 0.01 39 139 14679 -69.1 -79.1 22 10.0 -69.2 237 28 358.8 358.8 298.5 358.8 0.01 40 100 16580 -83.5 -89.5 34 6.0 -83.5 265 14 366.4 366.4 299.9 366.4 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5755.00 m Freezing level: 603.00 mb = 4365.66 m = 14322.87 ft Wetbulb zero: 620.50 mb = 4132.76 m = 13558.74 ft Precipitable water: 2.29 inches Sfc-500 mean rel hum: 85.69 % Est. max temperature: 31.81 C = 89.26 F Sfc-Lift cond lev (LCL): 926.17 mb = 770.92 m = 2529.24 ft T: 23.50 C 700-500 lapse rate: 5.37 C/km ThetaE index: 25.44 C Layer 981.0- 560.0 mb Conv cond level (CCL): 887.56 mb = 1138.43 m = 3734.95 ft Mean mixing ratio: 17.21 g/kg Conv temperature: 31.45 C = 88.61 F Cap Strength: 1.43 C Lifted Index: -3.93 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -3.23 C Lifted Index @700 mb: -2.73 C Showalter Index: -1.53 C Risk: Thunderstorms probable Total Totals Index: 45.80 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.50 C Cross Totals Index: 22.30 C K Index: 39.20 Risk: > 80 % chance of thunderstorms Sweat Index: 235.80 Risk: None Energy Index: -1.08 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1562.34 J/kg Max Up Vert Vel: 55.90 m/s Conv Inhibition (B-): 21.53 J/kg Cap Strength: 1.43 C Lift Cond Lev (LCL): 910.81 mb = 915.38 m = 3003.17 ft Lev Free Conv (LFC): 875.81 mb = 1253.39 m = 4112.13 ft Equ Level (EL): 155.81 mb = 13987.78 m = 45891.11 ft B at Equ Level: 1548.60 J/kg Wind level data Storm motion: 89 at 7 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 1010 7 275 4 4.0 -0.3 | 271 11 11.2 -0.2 1 1000 95 300 8 6.9 -4.0 | 285 15 14.1 -3.9 2 976 305 285 11 10.6 -2.8 | 279 18 17.8 -2.7 3 925 782 345 5 1.3 -4.8 | 299 10 8.5 -4.7 4 911 914 340 7 2.4 -6.6 | 304 12 9.6 -6.5 5 879 1219 360 9 -0.0 -9.0 | 321 11 7.2 -8.9 6 850 1511 15 11 -2.8 -10.6 | 337 11 4.4 -10.5 7 849 1524 15 12 -3.1 -11.6 | 340 12 4.1 -11.5 8 819 1829 15 4 -1.0 -3.9 | 301 7 6.2 -3.7 9 790 2134 90 3 -3.0 0.0 | 268 4 4.2 0.1 10 735 2743 85 7 -7.0 -0.6 | 335 1 0.2 -0.5 11 709 3048 120 6 -5.2 3.0 | 213 4 2.0 3.1 12 700 3151 110 14 -13.2 4.8 | 130 8 -6.0 4.9 13 683 3353 75 19 -18.4 -4.9 | 67 12 -11.1 -4.8 14 657 3658 105 6 -5.8 1.6 | 220 2 1.4 1.7 15 633 3962 55 5 -4.1 -2.9 | 311 4 3.1 -2.8 16 586 4572 70 11 -10.3 -3.8 | 41 5 -3.1 -3.6 17 543 5182 65 15 -13.6 -6.3 | 46 9 -6.4 -6.2 18 500 5850 75 17 -16.4 -4.4 | 65 10 -9.2 -4.3 19 484 6096 65 16 -14.5 -6.8 | 48 10 -7.3 -6.6 20 447 6706 35 11 -6.3 -9.0 | 354 9 0.9 -8.9 21 430 7010 35 7 -4.0 -5.7 | 330 6 3.2 -5.6 22 400 7560 10 4 -0.7 -3.9 | 300 8 6.5 -3.8 23 397 7620 10 4 -0.7 -3.9 | 300 8 6.5 -3.8 24 381 7925 80 2 -2.0 -0.3 | 273 5 5.2 -0.2 25 365 8230 185 2 0.2 2.0 | 254 8 7.4 2.1 26 350 8534 145 5 -2.9 4.1 | 226 6 4.3 4.2 27 336 8839 205 10 4.2 9.1 | 231 15 11.4 9.2 28 322 9144 150 17 -8.5 14.7 | 175 15 -1.3 14.8 29 300 9670 140 21 -13.5 16.1 | 159 17 -6.3 16.2 30 260 10668 155 28 -11.8 25.4 | 170 26 -4.6 25.5 31 250 10950 170 30 -5.2 29.5 | 184 30 2.0 29.7 32 238 11278 170 31 -5.4 30.5 | 183 31 1.8 30.6 33 227 11582 185 28 2.4 27.9 | 199 30 9.6 28.0 34 217 11887 195 28 7.2 27.0 | 208 31 14.5 27.2 35 207 12192 200 30 10.3 28.2 | 212 33 17.5 28.3 36 200 12430 195 27 7.0 26.1 | 208 30 14.2 26.2 37 188 12802 200 25 8.6 23.5 | 214 28 15.8 23.6 38 163 13716 195 21 5.4 20.3 | 212 24 12.6 20.4 39 150 14220 230 25 19.2 16.1 | 238 31 26.4 16.2 40 147 14326 235 24 19.7 13.8 | 243 30 26.9 13.9 41 126 15240 240 35 30.3 17.5 | 245 41 37.5 17.6 42 113 15850 265 31 30.9 2.7 | 266 38 38.1 2.8 43 108 16154 270 26 26.0 -0.0 | 270 33 33.2 0.1 44 100 16580 265 14 13.9 1.2 | 266 21 21.2 1.3 45 97 16764 260 15 14.8 2.6 | 263 22 22.0 2.7 Wind Parameters Mean winds (0-6000m): 59.1 at 9.6 knts Storm direction: 89.1 at 7.2 knts Shear (0-3000m) pos: 1.7 neg: 0.0 tot: 1.7 10-3/s Storm rel Dir Shear (0-3000m): -60.0 deg Storm rel helicity (0-3000m) pos: 55.4 neg: -23.7 tot: 31.7 m^2/s^2 ave: 10.6 10^-3 m/s^2 rel: 0.13 Storm rel vorticity (0-3000m) horiz: 7.8 stream: 1.0 10^-3/s Energy-Hel index: 0.54 Bulk Rich Number: 43.20 Bulk Shear: 36.17 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 ------------------------------------------------------------------------------- 500 293 9 283 16| 5.9 0.0 5.9| 26.2 -7.8 18.4 36.9 0.37| 13.8 5.1 1000 307 8 289 14| 3.8 0.0 3.8| 37.7 -7.8 29.9 29.9 0.41| 10.8 4.4 1500 329 8 301 13| 4.2 0.0 4.2| 54.9 -7.8 47.1 31.4 0.53| 9.2 4.9 2000 340 8 306 12| 1.8 0.0 1.8| 54.9 -21.7 33.3 16.6 0.22| 9.3 2.0 2500 349 7 308 11| 1.9 0.0 1.9| 55.1 -23.5 31.6 12.6 0.16| 8.3 1.3 3000 4 7 315 10| 1.7 0.0 1.7| 55.4 -23.7 31.7 10.6 0.13| 7.8 1.0 4000 43 8 342 6| 1.3 0.7 2.0| 63.9 -49.7 14.2 3.5 0.03| 10.2 0.3 5000 52 8 353 5| 1.5 0.8 2.3| 70.3 -49.7 20.7 4.1 0.09| 9.1 0.8 6000 59 10 12 5| 1.5 0.7 2.2| 77.9 -54.3 23.7 3.9 0.10| 8.1 0.8 Wrote GIF file: /home/apache/climate/data/raob//VO466/skewt/VO466.skewt.20251204.12.gif