UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120912.upa.cvt Date: 1200Z 9 DEC 25 Searching for VO466... Searching the city database file for: VO466 ... Date:1200Z 9 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 1008 8 29.0 22.0 66 7.0 23.9 350 4 301.5 304.5 296.8 350.8 16.74 1 1000 78 28.6 23.6 74 5.0 24.9 10 8 301.8 305.2 298.1 356.8 18.65 2 950 535 24.4 22.1 87 2.3 22.8 25 11 301.9 305.2 297.7 354.8 17.90 3 925 770 23.6 20.3 82 3.3 21.2 90 6 303.4 306.5 297.1 352.2 16.42 4 850 1498 18.6 15.2 81 3.4 16.3 140 7 305.6 308.0 295.3 344.2 12.89 5 754 2520 13.2 7.2 67 6.0 9.5 62 10 310.4 312.0 293.4 336.5 8.48 6 720 2907 10.2 8.2 87 2.0 9.0 46 7 311.3 313.1 294.4 340.5 9.53 7 700 3142 9.4 7.1 86 2.3 8.0 40 10 312.9 314.6 294.6 341.0 9.08 8 667 3543 8.4 4.2 75 4.2 5.9 36 13 316.1 317.6 294.4 340.6 7.78 9 610 4276 3.4 1.5 87 1.9 2.3 40 13 318.5 319.9 294.6 340.9 7.01 10 552 5083 0.0 -7.0 59 7.0 -3.3 28 8 323.7 324.6 293.6 337.3 4.10 11 511 5698 -4.1 -13.1 50 9.0 -7.8 26 7 326.0 326.5 293.1 335.3 2.73 12 500 5870 -5.3 -14.3 49 9.0 -8.8 25 6 326.6 327.1 293.1 335.2 2.53 13 486 6094 -6.7 -15.7 49 9.0 -10.1 27 7 327.5 328.0 293.2 335.5 2.32 14 479 6208 -7.3 -16.3 49 9.0 -10.6 28 8 328.1 328.6 293.3 335.8 2.23 15 476 6257 -7.7 -12.5 68 4.8 -9.6 29 8 328.2 328.9 294.0 338.7 3.08 16 473 6306 -7.9 -13.9 62 6.0 -10.3 29 8 328.6 329.1 293.9 338.0 2.76 17 471 6339 -8.1 -15.1 57 7.0 -10.8 29 9 328.7 329.2 293.7 337.4 2.51 18 470 6356 -8.3 -12.4 72 4.1 -10.0 30 9 328.7 329.3 294.1 339.4 3.14 19 467 6406 -8.3 -16.3 52 8.0 -11.3 30 9 329.3 329.7 293.6 337.2 2.29 20 413 7356 -13.3 -26.3 33 13.0 -16.9 106 4 334.6 334.8 294.0 338.6 1.08 21 405 7506 -14.5 -26.5 35 12.0 -17.7 99 4 335.0 335.2 294.0 338.9 1.08 22 403 7543 -14.9 -27.9 32 13.0 -18.3 97 4 334.9 335.1 293.9 338.4 0.96 23 400 7600 -15.5 -24.5 46 9.0 -18.0 95 4 334.8 335.1 294.2 339.6 1.31 24 399 7619 -15.7 -21.7 60 6.0 -17.6 104 2 334.8 335.2 294.5 340.9 1.69 25 393 7733 -16.7 -19.4 80 2.7 -17.6 96 4 335.0 335.4 294.9 342.4 2.09 26 366 8265 -20.1 -31.1 37 11.0 -22.5 87 6 337.3 337.5 294.4 340.2 0.78 27 353 8533 -21.9 -26.8 64 4.9 -23.1 93 6 338.4 338.7 295.0 342.9 1.21 28 300 9710 -30.9 -32.9 83 2.0 -31.3 150 10 341.8 342.0 295.5 344.9 0.80 29 291 9924 -32.1 -33.2 90 1.1 -32.3 155 12 343.1 343.3 295.8 346.2 0.80 30 250 10970 -40.3 -43.0 75 2.7 -40.6 165 32 346.2 346.2 296.1 347.5 0.34 31 200 12450 -53.9 -57.4 65 3.5 -54.0 155 29 347.4 347.4 296.1 347.8 0.08 32 162 13766 -65.7 -69.7 57 4.0 -65.7 131 26 349.1 349.1 296.4 349.2 0.02 33 150 14230 -68.7 -72.8 55 4.1 -68.7 105 29 351.7 351.7 297.0 351.8 0.01 34 133 14945 -70.7 -74.2 60 3.5 -70.7 124 24 360.5 360.5 298.8 360.5 0.01 35 123 15402 -74.7 -79.2 50 4.5 -74.7 155 16 361.4 361.4 299.0 361.4 0.01 36 100 16580 -82.1 -85.1 60 3.0 -82.1 100 4 369.1 369.1 300.4 369.1 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5792.00 m Freezing level: 552.00 mb = 5083.28 m = 16677.23 ft Wetbulb zero: 586.23 mb = 4597.03 m = 15081.92 ft Precipitable water: 2.22 inches Sfc-500 mean rel hum: 74.68 % Est. max temperature: 32.94 C = 91.29 F Sfc-Lift cond lev (LCL): 910.94 mb = 901.91 m = 2958.98 ft T: 22.69 C 700-500 lapse rate: 5.39 C/km ThetaE index: 20.31 C Layer 950.0- 720.0 mb Conv cond level (CCL): 878.12 mb = 1217.74 m = 3995.15 ft Mean mixing ratio: 17.54 g/kg Conv temperature: 32.34 C = 90.21 F Cap Strength: 1.47 C Lifted Index: -3.85 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -4.82 C Lifted Index @700 mb: -2.34 C Showalter Index: -0.22 C Risk: Thunderstorms probable Total Totals Index: 44.40 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.90 C Cross Totals Index: 20.50 C K Index: 36.80 Risk: > 80 % chance of thunderstorms Sweat Index: 202.40 Risk: None Energy Index: -1.75 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1681.88 J/kg Max Up Vert Vel: 58.00 m/s Conv Inhibition (B-): 21.35 J/kg Cap Strength: 1.47 C Lift Cond Lev (LCL): 909.43 mb = 916.15 m = 3005.72 ft Lev Free Conv (LFC): 854.43 mb = 1453.25 m = 4767.81 ft Equ Level (EL): 144.43 mb = 14454.79 m = 47423.28 ft B at Equ Level: 1679.24 J/kg Wind level data Storm motion: 76 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 1008 8 350 4 0.7 -3.9 | 287 8 7.4 -2.3 1 1000 78 10 8 -1.4 -7.9 | 320 8 5.3 -6.2 2 975 305 25 14 -5.9 -12.7 | 356 11 0.8 -11.0 3 942 610 25 10 -4.2 -9.1 | 342 8 2.4 -7.4 4 925 770 90 6 -6.0 0.0 | 202 2 0.7 1.7 5 910 914 110 7 -6.6 2.4 | 181 4 0.1 4.1 6 878 1219 95 9 -9.0 0.8 | 137 3 -2.3 2.4 7 850 1498 140 7 -4.5 5.4 | 197 7 2.2 7.0 8 847 1524 140 7 -4.5 5.4 | 197 7 2.2 7.0 9 817 1829 90 5 -5.0 0.0 | 225 2 1.7 1.7 10 761 2438 65 10 -9.1 -4.2 | 43 4 -2.4 -2.6 11 708 3048 40 6 -3.9 -4.6 | 316 4 2.8 -2.9 12 700 3142 40 10 -6.4 -7.7 | 358 6 0.2 -6.0 13 657 3658 35 14 -8.0 -11.5 | 8 10 -1.4 -9.8 14 609 4267 40 13 -8.4 -10.0 | 12 8 -1.7 -8.3 15 587 4572 30 10 -5.0 -8.7 | 347 7 1.7 -7.0 16 500 5870 25 6 -2.5 -5.4 | 312 6 4.1 -3.8 17 467 6401 30 9 -4.5 -7.8 | 341 7 2.2 -6.1 18 449 6706 45 5 -3.5 -3.5 | 301 4 3.1 -1.9 19 432 7010 120 5 -4.3 2.5 | 209 5 2.3 4.2 20 400 7600 95 4 -4.0 0.3 | 233 3 2.7 2.0 21 399 7620 105 2 -1.9 0.5 | 245 5 4.7 2.2 22 383 7925 80 7 -6.9 -1.2 | 153 0 -0.2 0.4 23 338 8839 100 5 -4.9 0.9 | 215 3 1.7 2.5 24 311 9449 155 7 -3.0 6.3 | 205 9 3.7 8.0 25 300 9710 150 10 -5.0 8.7 | 189 10 1.7 10.3 26 298 9754 160 7 -2.4 6.6 | 207 9 4.3 8.2 27 285 10058 150 17 -8.5 14.7 | 174 16 -1.8 16.4 28 250 10970 165 32 -8.3 30.9 | 177 33 -1.6 32.6 29 250 10973 170 31 -5.4 30.5 | 182 32 1.3 32.2 30 208 12192 165 32 -8.3 30.9 | 177 33 -1.6 32.6 31 200 12450 155 29 -12.3 26.3 | 169 28 -5.6 27.9 32 198 12497 160 29 -9.9 27.3 | 174 29 -3.3 28.9 33 155 14021 125 25 -20.5 14.3 | 139 21 -13.8 16.0 34 150 14230 105 29 -28.0 7.5 | 113 23 -21.3 9.2 35 148 14326 110 31 -29.1 10.6 | 119 26 -22.5 12.3 36 140 14630 105 28 -27.0 7.2 | 114 22 -20.4 8.9 37 126 15240 145 20 -11.5 16.4 | 165 19 -4.8 18.0 38 113 15850 190 3 0.5 3.0 | 237 9 7.2 4.6 39 108 16154 70 8 -7.5 -2.7 | 38 1 -0.9 -1.1 40 102 16459 120 12 -10.4 6.0 | 154 9 -3.7 7.7 41 100 16580 100 4 -3.9 0.7 | 229 4 2.7 2.4 42 97 16764 95 6 -6.0 0.5 | 198 2 0.7 2.2 43 92 17069 35 5 -2.9 -4.1 | 303 5 3.8 -2.4 44 87 17374 340 11 3.8 -10.3 | 310 14 10.4 -8.7 45 82 17678 15 10 -2.6 -9.7 | 333 9 4.1 -8.0 46 78 17983 60 18 -15.6 -9.0 | 51 12 -8.9 -7.3 47 74 18288 115 26 -23.6 11.0 | 127 21 -16.9 12.6 48 70 18593 135 16 -11.3 11.3 | 160 14 -4.6 13.0 49 63 19202 250 10 9.4 3.4 | 252 17 16.1 5.1 50 60 19507 225 5 3.5 3.5 | 243 11 10.2 5.2 51 56 19812 285 7 6.8 -1.8 | 271 13 13.4 -0.2 52 54 20117 40 12 -7.7 -9.2 | 8 8 -1.0 -7.5 53 48 20726 60 26 -22.5 -13.0 | 54 19 -15.8 -11.3 54 43 21336 105 37 -35.7 9.6 | 111 31 -29.1 11.2 55 37 22250 80 35 -34.5 -6.1 | 81 28 -27.8 -4.4 Wind Parameters Mean winds (0-6000m): 46.0 at 9.2 knts Storm direction: 76.0 at 6.9 knts Shear (0-3000m) pos: 1.8 neg: 1.7 tot: 3.5 10-3/s Storm rel Dir Shear (0-3000m): 33.2 deg Storm rel helicity (0-3000m) pos: 33.2 neg: -14.1 tot: 19.1 m^2/s^2 ave: 6.4 10^-3 m/s^2 rel: -0.01 Storm rel vorticity (0-3000m) horiz: 9.4 stream: -0.1 10^-3/s Energy-Hel index: 0.35 Bulk Rich Number: 570.09 Bulk Shear: 2.95 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 21 11 342 9| 8.6 0.0 8.6| 23.7 -3.7 20.0 40.1 0.66| 14.2 9.4 1000 37 9 351 6| 5.1 0.0 5.1| 25.1 -6.8 18.3 18.3 0.10| 15.5 1.6 1500 59 9 19 3| 3.7 0.0 3.7| 32.0 -8.6 23.5 15.6 0.16| 13.2 2.2 2000 69 8 38 2| 2.7 1.7 4.4| 33.2 -9.1 24.1 12.0 0.15| 11.7 1.8 2500 69 8 39 2| 2.2 2.2 4.4| 33.2 -10.4 22.8 9.1 0.07| 10.4 0.8 3000 66 8 27 2| 1.8 1.7 3.5| 33.2 -14.1 19.1 6.4 -0.01| 9.4 -0.1 4000 55 9 13 4| 1.4 2.1 3.4| 40.6 -14.1 26.5 6.6 0.07| 8.2 0.6 5000 49 10 8 5| 1.1 1.3 2.4| 41.1 -23.1 18.0 3.6 0.00| 7.1 0.0 6000 46 9 359 5| 0.9 1.0 1.9| 41.9 -26.8 15.2 2.5 -0.02| 6.2 -0.1 Wrote GIF file: /home/apache/climate/data/raob//VO466/skewt/VO466.skewt.20251209.12.gif