UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101700.upa.cvt Date: 0000Z 17 OCT 25 Searching for VO466... Searching the city database file for: VO466 ... Date:0000Z 17 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 8 25.8 22.6 83 3.2 23.5 100 1 298.4 301.6 296.4 349.1 17.41 1 1000 60 25.8 25.1 96 0.7 25.3 65 1 299.0 302.7 298.5 358.8 20.46 2 925 747 22.0 21.6 98 0.4 21.7 235 5 301.8 305.1 297.6 354.4 17.83 3 850 1484 17.8 17.2 96 0.6 17.4 185 8 304.8 307.5 296.3 348.6 14.68 4 809 1905 15.6 14.6 94 1.0 15.0 155 8 306.8 309.2 295.7 346.0 13.03 5 754 2502 15.2 11.6 79 3.6 12.8 188 6 312.6 314.8 296.2 347.9 11.46 6 700 3127 11.6 6.6 71 5.0 8.5 130 13 315.3 317.0 295.0 342.8 8.77 7 635 3937 6.8 0.8 66 6.0 3.4 128 17 318.8 320.0 294.1 339.2 6.40 8 567 4859 0.0 -1.4 90 1.4 -0.7 116 20 321.3 322.5 294.6 341.0 6.10 9 534 5337 -3.7 -4.3 96 0.6 -4.0 106 23 322.4 323.4 294.1 339.4 5.22 10 526 5457 -2.3 -5.8 77 3.5 -4.0 98 25 325.5 326.4 294.6 341.1 4.72 11 513 5656 -2.7 -7.5 69 4.8 -5.0 102 24 327.3 328.2 294.7 341.6 4.25 12 501 5844 -3.7 -8.7 68 5.0 -6.0 109 22 328.3 329.1 294.7 341.7 3.96 13 500 5860 -3.9 -8.9 68 5.0 -6.2 110 22 328.3 329.1 294.7 341.4 3.90 14 489 6036 -4.3 -17.3 36 13.0 -9.2 111 22 329.9 330.3 293.6 336.9 2.01 15 469 6364 -6.7 -13.7 57 7.0 -9.5 114 23 330.9 331.4 294.5 340.6 2.83 16 458 6549 -7.7 -17.7 45 10.0 -11.3 116 23 331.9 332.3 294.1 339.2 2.08 17 422 7181 -11.9 -18.9 56 7.0 -14.3 121 24 334.4 334.8 294.7 341.6 2.04 18 400 7590 -14.3 -20.3 60 6.0 -16.3 125 25 336.4 336.8 295.1 343.2 1.90 19 390 7781 -15.7 -24.7 46 9.0 -18.3 128 24 337.0 337.3 294.8 341.8 1.32 20 380 7975 -17.3 -23.3 60 6.0 -19.1 131 23 337.4 337.7 295.0 343.0 1.54 21 356 8460 -20.1 -38.1 18 18.0 -23.3 126 21 340.0 340.1 294.7 341.6 0.40 22 300 9700 -29.9 -49.9 13 20.0 -31.9 95 21 343.2 343.3 295.2 343.8 0.13 23 284 10093 -31.9 -57.9 6 26.0 -33.8 91 22 345.8 345.8 295.7 346.0 0.05 24 250 10990 -39.3 -59.3 10 20.0 -40.4 70 23 347.6 347.6 296.1 347.9 0.05 25 224 11729 -45.7 -65.7 9 20.0 -46.3 74 19 348.9 348.9 296.4 349.0 0.02 26 200 12470 -52.3 -65.3 19 13.0 -52.6 70 19 349.9 350.0 296.7 350.1 0.03 27 174 13354 -60.5 -65.5 52 5.0 -60.6 61 22 350.6 350.7 296.8 350.8 0.03 28 150 14260 -68.5 -72.5 56 4.0 -68.5 90 17 352.1 352.1 297.1 352.1 0.01 29 100 16580 -86.5 -89.6 57 3.1 -86.5 85 36 360.6 360.6 298.8 360.6 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5800.00 m Freezing level: 567.00 mb = 4858.63 m = 15940.20 ft Wetbulb zero: 579.13 mb = 4686.42 m = 15375.21 ft Precipitable water: 2.41 inches Sfc-500 mean rel hum: 83.83 % Est. max temperature: 31.92 C = 89.45 F Sfc-Lift cond lev (LCL): 960.61 mb = 414.12 m = 1358.66 ft T: 23.84 C 700-500 lapse rate: 5.67 C/km ThetaE index: 12.74 C Layer 925.0- 754.0 mb Conv cond level (CCL): 938.48 mb = 619.54 m = 2032.60 ft Mean mixing ratio: 18.79 g/kg Conv temperature: 28.64 C = 83.55 F Cap Strength: 0.36 C Lifted Index: -2.98 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -4.67 C Lifted Index @700 mb: -0.55 C Showalter Index: -0.46 C Risk: Thunderstorms probable Total Totals Index: 42.80 C Risk: None Vertical Totals Index: 21.70 C Cross Totals Index: 21.10 C K Index: 33.90 Risk: 60-80 % chance of thunderstorms Sweat Index: 244.40 Risk: None Energy Index: -1.46 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1599.70 J/kg Max Up Vert Vel: 56.56 m/s Conv Inhibition (B-): 0.82 J/kg Cap Strength: 0.28 C Lift Cond Lev (LCL): 947.61 mb = 534.22 m = 1752.65 ft Lev Free Conv (LFC): 922.61 mb = 769.57 m = 2524.80 ft Equ Level (EL): 762.61 mb = 2405.45 m = 7891.80 ft B at Equ Level: 68.15 J/kg Wind level data Storm motion: 160 at 10 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 8 100 1 -1.0 0.2 | 346 9 2.3 -9.1 1 1000 60 65 1 -0.9 -0.4 | 346 10 2.4 -9.7 2 940 610 230 7 5.4 4.5 | 299 10 8.7 -4.7 3 925 747 235 5 4.1 2.9 | 311 10 7.4 -6.4 4 876 1219 200 11 3.8 10.3 | 261 7 7.1 1.1 5 850 1484 185 8 0.7 8.0 | 288 4 4.0 -1.3 6 846 1524 180 9 0.0 9.0 | 274 3 3.3 -0.2 7 816 1829 150 8 -4.0 6.9 | 17 2 -0.7 -2.3 8 759 2438 195 6 1.6 5.8 | 305 6 4.8 -3.4 9 707 3048 125 9 -7.4 5.2 | 45 6 -4.1 -4.1 10 700 3127 130 13 -10.0 8.4 | 82 7 -6.7 -0.9 11 681 3353 135 15 -10.6 10.6 | 101 7 -7.3 1.4 12 564 4877 115 20 -18.1 8.5 | 87 15 -14.8 -0.8 13 544 5182 115 22 -19.9 9.3 | 90 17 -16.6 0.1 14 524 5486 95 25 -24.9 2.2 | 72 23 -21.6 -7.1 15 500 5860 110 22 -20.7 7.5 | 84 17 -17.4 -1.7 16 400 7590 125 25 -20.5 14.3 | 107 18 -17.2 5.1 17 367 8230 135 22 -15.6 15.6 | 117 14 -12.3 6.3 18 324 9144 95 16 -15.9 1.4 | 58 15 -12.6 -7.8 19 300 9700 95 21 -20.9 1.8 | 67 19 -17.6 -7.4 20 262 10668 85 24 -23.9 -2.1 | 61 24 -20.6 -11.3 21 250 10990 70 23 -21.6 -7.9 | 47 25 -18.3 -17.1 22 229 11582 70 19 -17.9 -6.5 | 43 21 -14.6 -15.7 23 209 12192 90 18 -18.0 0.0 | 58 17 -14.7 -9.2 24 200 12470 70 19 -17.9 -6.5 | 43 21 -14.6 -15.7 25 172 13411 60 22 -19.1 -11.0 | 38 26 -15.8 -20.2 26 150 14260 90 17 -17.0 0.0 | 56 17 -13.7 -9.2 27 126 15240 105 21 -20.3 5.4 | 77 17 -17.0 -3.8 28 114 15850 95 27 -26.9 2.4 | 74 25 -23.6 -6.9 29 108 16154 90 31 -31.0 0.0 | 72 29 -27.7 -9.2 30 100 16580 85 36 -35.9 -3.1 | 69 35 -32.6 -12.4 31 97 16764 90 36 -36.0 0.0 | 74 34 -32.7 -9.2 32 92 17069 230 4 3.1 2.6 | 316 9 6.4 -6.7 33 87 17374 220 6 3.9 4.6 | 303 9 7.2 -4.6 34 78 17983 255 11 10.6 2.8 | 295 15 13.9 -6.4 35 74 18288 255 10 9.7 2.6 | 297 15 13.0 -6.7 36 70 18593 260 9 8.9 1.6 | 302 14 12.2 -7.7 37 66 18898 70 9 -8.5 -3.1 | 23 13 -5.2 -12.3 38 59 19507 135 30 -21.2 21.2 | 124 22 -17.9 12.0 39 53 20117 155 20 -8.5 18.1 | 150 10 -5.2 8.9 40 47 20726 130 16 -12.3 10.3 | 97 9 -9.0 1.0 41 43 21336 85 20 -19.9 -1.7 | 57 20 -16.6 -11.0 42 40 21641 55 26 -21.3 -14.9 | 37 30 -18.0 -24.2 43 38 21946 65 30 -27.2 -12.7 | 47 32 -23.9 -21.9 44 34 22555 85 45 -44.8 -3.9 | 72 44 -41.5 -13.2 45 32 22860 95 50 -49.8 4.4 | 84 47 -46.5 -4.9 46 29 23470 85 56 -55.8 -4.9 | 75 54 -52.5 -14.1 47 21 25298 95 57 -56.8 5.0 | 85 54 -53.5 -4.3 48 17 26518 85 67 -66.7 -5.8 | 77 65 -63.5 -15.1 49 16 26822 85 70 -69.7 -6.1 | 77 68 -66.4 -15.3 Wind Parameters Mean winds (0-6000m): 130.4 at 13.1 knts Storm direction: 160.4 at 9.8 knts Shear (0-3000m) pos: 1.8 neg: 2.5 tot: 4.3 10-3/s Storm rel Dir Shear (0-3000m): 58.2 deg Storm rel helicity (0-3000m) pos: 14.7 neg: -26.2 tot: -11.4 m^2/s^2 ave: -3.8 10^-3 m/s^2 rel: -0.07 Storm rel vorticity (0-3000m) horiz: 7.6 stream: -0.5 10^-3/s Energy-Hel index: 0.11 Bulk Rich Number: 87.60 Bulk Shear: 18.26 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 ------------------------------------------------------------------------------- 500 189 3 328 7| 6.3 0.0 6.3| 3.4 -7.5 -4.1 -8.2 -0.38| 9.9 -3.7 1000 226 5 311 9| 4.5 0.0 4.5| 7.2 -17.1 -9.9 -9.9 -0.35| 9.3 -3.2 1500 210 6 300 7| 3.0 1.7 4.7| 9.5 -23.9 -14.5 -9.6 -0.31| 8.8 -2.7 2000 195 7 297 6| 2.3 1.8 4.1| 10.8 -24.9 -14.1 -7.0 -0.21| 8.2 -1.7 2500 192 7 299 5| 2.2 1.4 3.6| 10.9 -26.2 -15.3 -6.1 -0.22| 7.5 -1.7 3000 184 7 301 4| 1.8 2.5 4.3| 14.7 -26.2 -11.4 -3.8 -0.07| 7.6 -0.5 4000 159 9 352 1| 1.5 2.2 3.7| 24.6 -28.1 -3.6 -0.9 0.04| 6.9 0.3 5000 143 11 82 3| 1.2 2.3 3.5| 25.8 -33.9 -8.1 -1.6 0.01| 6.1 0.1 6000 130 13 83 7| 1.6 2.5 4.1| 51.2 -63.9 -12.6 -2.1 0.00| 6.5 0.0 Wrote GIF file: /home/apache/climate/data/raob//VO466/skewt/VO466.skewt.20251017.00.gif