UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025123012.upa.cvt Date: 1200Z 30 DEC 25 Searching for VO466... Searching the city database file for: VO466 ... Date:1200Z 30 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 4 29.0 21.0 62 8.0 23.3 340 6 301.5 304.3 296.1 347.7 15.72 1 1004 39 27.8 23.5 77 4.3 24.6 342 9 300.6 304.0 297.7 354.8 18.45 2 1000 74 26.8 23.1 80 3.7 24.1 345 13 300.0 303.3 297.3 352.9 18.07 3 982 234 25.2 22.6 86 2.6 23.3 338 17 299.9 303.2 297.1 352.2 17.85 4 952 508 24.8 20.8 78 4.0 21.9 358 16 302.2 305.2 296.8 350.8 16.46 5 925 760 23.0 19.5 81 3.5 20.5 20 13 302.8 305.7 296.4 349.0 15.61 6 850 1491 18.6 14.7 78 3.9 16.0 80 6 305.6 308.0 295.0 343.0 12.47 7 803 1977 16.2 9.2 63 7.0 11.8 6 6 308.1 309.8 293.3 335.8 9.13 8 795 2062 17.4 1.4 34 16.0 8.5 328 7 310.3 311.3 290.8 326.8 5.33 9 753 2524 15.2 -17.8 9 33.0 2.5 6 5 312.7 313.0 287.7 316.9 1.25 10 741 2660 15.0 -17.0 9 32.0 2.4 24 6 313.9 314.2 288.2 318.5 1.36 11 735 2729 14.4 -2.6 31 17.0 5.6 33 6 314.0 314.8 291.0 327.7 4.30 12 704 3092 12.8 -17.2 11 30.0 1.1 18 6 316.1 316.4 289.0 320.9 1.41 13 700 3140 12.6 -14.4 14 27.0 1.4 10 7 316.4 316.8 289.5 322.4 1.79 14 664 3580 9.4 -15.6 15 25.0 -0.6 349 5 317.7 318.0 289.8 323.4 1.71 15 657 3668 8.4 -6.6 34 15.0 1.2 344 5 317.5 318.2 291.5 329.0 3.55 16 616 4197 5.6 -21.4 12 27.0 -3.8 316 5 320.2 320.4 290.0 324.1 1.12 17 551 5100 0.0 -17.0 26 17.0 -6.4 359 5 323.9 324.3 291.7 330.2 1.83 18 500 5870 -5.5 -21.5 27 16.0 -10.7 320 12 326.3 326.6 292.0 331.1 1.37 19 464 6453 -10.3 -20.3 44 10.0 -13.5 333 6 327.4 327.7 292.6 333.1 1.64 20 434 6969 -12.3 -28.3 25 16.0 -16.4 194 8 331.2 331.4 292.9 334.3 0.86 21 412 7366 -14.7 -25.7 39 11.0 -17.7 157 11 333.1 333.3 293.6 337.2 1.14 22 400 7590 -16.3 -26.3 42 10.0 -18.9 145 12 333.8 334.0 293.8 337.9 1.12 23 381 7954 -17.7 -33.7 23 16.0 -21.0 133 14 336.6 336.8 294.0 338.8 0.58 24 366 8252 -19.9 -30.9 37 11.0 -22.3 124 15 337.6 337.8 294.4 340.6 0.79 25 361 8354 -18.9 -45.9 7 27.0 -22.9 121 15 340.3 340.3 294.6 341.0 0.17 26 300 9700 -29.7 -56.7 5 27.0 -31.9 85 22 343.5 343.5 295.2 343.8 0.06 27 281 10162 -33.7 -49.7 18 16.0 -35.1 81 23 344.3 344.3 295.5 344.9 0.15 28 250 10970 -40.5 -63.5 7 23.0 -41.5 75 26 345.9 345.9 295.7 346.0 0.03 29 248 11025 -40.9 -64.9 6 24.0 -41.9 71 26 346.1 346.1 295.8 346.2 0.03 30 222 11768 -47.5 -60.5 21 13.0 -48.0 88 29 347.0 347.0 296.0 347.3 0.05 31 200 12450 -52.5 -70.5 10 18.0 -52.8 80 32 349.6 349.6 296.5 349.7 0.01 32 198 12515 -53.1 -71.1 9 18.0 -53.4 80 30 349.7 349.7 296.5 349.7 0.01 33 150 14250 -67.9 -77.9 23 10.0 -67.9 100 27 353.1 353.1 297.3 353.1 0.01 34 126 15274 -76.5 -83.5 32 7.0 -76.5 96 20 355.6 355.6 297.8 355.6 0.00 35 100 16580 -83.5 -89.5 34 6.0 -83.5 80 33 366.4 366.4 299.9 366.4 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5796.00 m Freezing level: 551.00 mb = 5099.80 m = 16731.43 ft Wetbulb zero: 674.23 mb = 3452.64 m = 11327.42 ft Precipitable water: 1.51 inches Sfc-500 mean rel hum: 39.74 % Est. max temperature: 32.87 C = 91.16 F Sfc-Lift cond lev (LCL): 897.72 mb = 1018.82 m = 3342.53 ft T: 21.44 C 700-500 lapse rate: 6.63 C/km ThetaE index: 37.92 C Layer 1000.0- 741.0 mb Conv cond level (CCL): 864.50 mb = 1344.75 m = 4411.86 ft Mean mixing ratio: 16.69 g/kg Conv temperature: 32.62 C = 90.72 F Cap Strength: 2.06 C Lifted Index: -2.82 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -1.77 C Lifted Index @700 mb: 1.80 C Showalter Index: 0.11 C Risk: Thunderstorms probable Total Totals Index: 44.30 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.10 C Cross Totals Index: 20.20 C K Index: 11.80 Risk: None Sweat Index: 200.40 Risk: None Energy Index: -2.23 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 689.93 J/kg Max Up Vert Vel: 37.15 m/s Conv Inhibition (B-): 134.08 J/kg Cap Strength: 1.95 C Lift Cond Lev (LCL): 908.98 mb = 911.04 m = 2988.95 ft Lev Free Conv (LFC): 643.98 mb = 3832.28 m = 12572.93 ft Equ Level (EL): 183.98 mb = 12974.05 m = 42565.27 ft B at Equ Level: 686.98 J/kg Wind level data Storm motion: 28 at 5 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 4 340 6 2.1 -5.6 | 280 5 4.6 -0.8 1 1000 74 345 13 3.4 -12.6 | 323 10 5.9 -7.8 2 974 305 335 19 8.0 -17.2 | 320 16 10.6 -12.4 3 941 610 10 14 -2.4 -13.8 | 359 9 0.1 -9.0 4 925 760 20 13 -4.4 -12.2 | 14 8 -1.9 -7.4 5 909 914 35 10 -5.7 -8.2 | 43 5 -3.2 -3.4 6 877 1219 50 9 -6.9 -5.8 | 77 4 -4.3 -1.0 7 850 1491 80 6 -5.9 -1.0 | 138 5 -3.4 3.7 8 847 1524 80 6 -5.9 -1.0 | 138 5 -3.4 3.7 9 817 1829 70 5 -4.7 -1.7 | 145 4 -2.2 3.1 10 788 2134 295 7 6.3 -3.0 | 258 9 8.9 1.8 11 760 2438 355 5 0.4 -5.0 | 274 3 3.0 -0.2 12 733 2743 35 6 -3.4 -4.9 | 82 1 -0.9 -0.1 13 708 3048 25 5 -2.1 -4.5 | 239 1 0.4 0.3 14 700 3140 10 7 -1.2 -6.9 | 328 2 1.3 -2.1 15 682 3353 360 5 -0.0 -5.0 | 275 3 2.5 -0.2 16 587 4572 295 5 4.5 -2.1 | 249 8 7.1 2.7 17 565 4877 305 3 2.5 -1.7 | 238 6 5.0 3.1 18 544 5182 25 6 -2.5 -5.4 | 359 1 0.0 -0.6 19 524 5486 350 6 1.0 -5.9 | 287 4 3.6 -1.1 20 505 5791 335 8 3.4 -7.3 | 293 6 5.9 -2.5 21 500 5870 320 12 7.7 -9.2 | 293 11 10.3 -4.4 22 486 6096 330 10 5.0 -8.7 | 297 8 7.5 -3.9 23 467 6401 340 6 2.1 -5.6 | 280 5 4.6 -0.8 24 449 6706 290 3 2.8 -1.0 | 235 7 5.4 3.8 25 431 7010 175 9 -0.8 9.0 | 187 14 1.8 13.8 26 415 7315 160 11 -3.8 10.3 | 175 15 -1.2 15.1 27 400 7590 145 12 -6.9 9.8 | 163 15 -4.3 14.6 28 310 9449 85 20 -19.9 -1.7 | 100 18 -17.4 3.0 29 300 9700 85 22 -21.9 -1.9 | 98 20 -19.4 2.9 30 250 10970 75 26 -25.1 -6.7 | 85 23 -22.6 -1.9 31 250 10973 70 26 -24.4 -8.9 | 79 22 -21.9 -4.1 32 228 11582 85 27 -26.9 -2.4 | 96 24 -24.4 2.4 33 218 11887 90 31 -31.0 0.0 | 100 29 -28.5 4.8 34 208 12192 90 29 -29.0 0.0 | 100 27 -26.5 4.8 35 200 12450 80 32 -31.5 -5.6 | 88 29 -29.0 -0.8 36 199 12497 80 30 -29.5 -5.2 | 89 27 -27.0 -0.4 37 172 13411 85 29 -28.9 -2.5 | 95 26 -26.3 2.3 38 163 13716 90 28 -28.0 0.0 | 101 26 -25.5 4.8 39 150 14250 100 27 -26.6 4.7 | 112 26 -24.0 9.5 40 120 15545 95 18 -17.9 1.6 | 112 17 -15.4 6.4 41 114 15850 115 29 -26.3 12.3 | 126 29 -23.7 17.0 42 108 16154 115 34 -30.8 14.4 | 124 34 -28.3 19.2 43 102 16459 85 24 -23.9 -2.1 | 97 22 -21.4 2.7 44 100 16580 80 33 -32.5 -5.7 | 88 30 -30.0 -0.9 45 97 16764 80 32 -31.5 -5.6 | 88 29 -29.0 -0.8 46 92 17069 90 29 -29.0 0.0 | 100 27 -26.5 4.8 47 82 17678 115 14 -12.7 5.9 | 137 15 -10.1 10.7 48 78 17983 50 13 -10.0 -8.4 | 64 8 -7.4 -3.6 49 70 18593 35 11 -6.3 -9.0 | 42 6 -3.8 -4.2 50 66 18898 5 4 -0.3 -4.0 | 250 2 2.2 0.8 51 60 19507 80 13 -12.8 -2.3 | 104 11 -10.3 2.5 52 56 19812 90 22 -22.0 0.0 | 104 20 -19.5 4.8 53 54 20117 140 23 -14.8 17.6 | 151 26 -12.2 22.4 Wind Parameters Mean winds (0-6000m): 358.0 at 7.2 knts Storm direction: 28.0 at 5.4 knts Shear (0-3000m) pos: 2.2 neg: 1.4 tot: 3.6 10-3/s Storm rel Dir Shear (0-3000m): -46.4 deg Storm rel helicity (0-3000m) pos: 58.6 neg: -6.7 tot: 51.9 m^2/s^2 ave: 17.3 10^-3 m/s^2 rel: 0.51 Storm rel vorticity (0-3000m) horiz: 11.4 stream: 5.8 10^-3/s Energy-Hel index: 0.24 Bulk Rich Number: 65.97 Bulk Shear: 10.46 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 ------------------------------------------------------------------------------- 500 342 16 324 12| 10.5 0.0 10.5| 29.9 -2.8 27.2 54.3 0.50| 22.2 11.0 1000 358 14 342 10| 4.3 0.0 4.3| 47.6 -2.8 44.8 44.8 0.59| 16.9 10.0 1500 10 12 357 7| 3.2 0.0 3.2| 55.6 -2.8 52.8 35.2 0.66| 13.6 9.0 2000 16 10 5 5| 2.4 2.2 4.5| 56.2 -3.2 53.0 26.5 0.63| 13.2 8.3 2500 10 10 349 5| 2.2 1.7 3.9| 58.2 -6.7 51.5 20.6 0.50| 12.8 6.4 3000 12 9 350 4| 2.2 1.4 3.6| 58.6 -6.7 51.9 17.3 0.51| 11.4 5.8 4000 9 8 336 3| 1.6 1.6 3.3| 58.7 -8.9 49.8 12.5 0.44| 9.5 4.2 5000 1 7 315 3| 1.5 1.4 2.9| 60.5 -13.1 47.4 9.5 0.39| 8.3 3.3 6000 358 7 311 4| 1.2 1.6 2.9| 63.4 -14.0 49.4 8.2 0.35| 8.3 2.9 Wrote GIF file: /home/apache/climate/data/raob//VO466/skewt/VO466.skewt.20251230.12.gif