UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101812.upa.cvt Date: 1200Z 18 OCT 25 Searching for VO466... Searching the city database file for: VO466 ... Date:1200Z 18 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 1005 8 28.4 23.9 77 4.5 25.1 235 2 301.1 304.6 298.1 356.8 18.90 1 1000 52 26.8 24.8 89 2.0 25.3 285 6 300.0 303.6 298.5 358.9 20.08 2 925 744 22.8 20.5 87 2.3 21.2 250 6 302.6 305.7 297.0 351.9 16.63 3 897 1011 21.8 17.5 77 4.3 18.8 201 2 304.3 306.9 295.8 346.4 14.17 4 850 1477 19.4 16.8 85 2.6 17.6 90 4 306.5 309.1 296.5 349.4 14.31 5 830 1682 17.6 16.4 93 1.2 16.8 81 5 306.7 309.3 296.5 349.6 14.28 6 739 2672 13.8 9.6 76 4.2 11.1 79 2 312.9 314.8 295.4 344.4 10.21 7 700 3129 10.6 7.9 83 2.7 8.9 75 8 314.2 316.1 295.3 344.1 9.60 8 590 4536 1.8 1.4 97 0.4 1.5 78 11 319.7 321.1 295.0 342.8 7.20 9 564 4900 0.0 -0.5 96 0.5 -0.3 88 13 321.8 323.0 295.0 343.0 6.56 10 524 5488 -2.7 -4.7 86 2.0 -3.7 105 16 325.4 326.4 294.9 342.4 5.16 11 500 5860 -5.1 -6.7 89 1.6 -5.9 115 18 326.8 327.7 294.8 342.3 4.64 12 483 6132 -7.1 -7.5 97 0.4 -7.3 115 19 327.6 328.5 295.0 342.7 4.51 13 472 6312 -6.9 -9.0 85 2.1 -7.9 116 19 330.0 330.8 295.3 343.9 4.10 14 448 6719 -9.7 -10.9 91 1.2 -10.2 119 19 331.5 332.2 295.3 344.2 3.72 15 424 7144 -11.9 -15.8 73 3.9 -13.4 122 18 333.9 334.4 295.1 343.1 2.63 16 400 7590 -14.5 -16.2 87 1.7 -15.2 125 18 336.1 336.7 295.7 345.6 2.70 17 340 8802 -21.9 -27.9 58 6.0 -23.4 117 18 342.1 342.3 295.8 346.3 1.13 18 317 9313 -25.9 -29.7 70 3.8 -26.7 109 19 343.4 343.6 296.0 347.3 1.03 19 315 9359 -25.9 -32.9 52 7.0 -27.3 108 20 344.0 344.2 296.0 347.0 0.76 20 300 9710 -28.5 -35.5 51 7.0 -29.7 95 23 345.2 345.3 296.1 347.6 0.62 21 277 10277 -33.5 -38.5 61 5.0 -34.2 93 24 346.0 346.1 296.2 347.9 0.50 22 266 10561 -35.7 -47.7 28 12.0 -36.8 92 25 346.8 346.8 296.1 347.6 0.19 23 251 10963 -39.1 -49.1 34 10.0 -39.9 90 26 347.5 347.6 296.3 348.3 0.17 24 250 10990 -39.3 -48.3 38 9.0 -40.0 90 26 347.6 347.7 296.3 348.4 0.19 25 234 11438 -43.3 -56.3 23 13.0 -44.0 94 28 348.2 348.2 296.3 348.6 0.08 26 221 11818 -46.7 -60.7 19 14.0 -47.2 95 30 348.7 348.7 296.4 348.9 0.05 27 205 12310 -51.1 -57.1 49 6.0 -51.3 95 32 349.4 349.4 296.5 349.7 0.08 28 200 12470 -52.5 -58.5 48 6.0 -52.7 95 33 349.6 349.6 296.6 349.9 0.07 29 164 13720 -64.1 -67.4 64 3.3 -64.1 93 33 350.6 350.6 296.8 350.7 0.03 30 150 14260 -68.9 -72.4 60 3.5 -68.9 90 33 351.4 351.4 297.0 351.5 0.01 31 124 15374 -77.5 -83.5 37 6.0 -77.5 83 33 355.4 355.4 297.8 355.4 0.00 32 100 16580 -85.9 -89.5 52 3.6 -85.9 80 47 361.8 361.8 299.1 361.8 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5808.00 m Freezing level: 564.00 mb = 4899.80 m = 16075.28 ft Wetbulb zero: 567.91 mb = 4844.04 m = 15892.34 ft Precipitable water: 2.50 inches Sfc-500 mean rel hum: 87.27 % Est. max temperature: 33.52 C = 92.33 F Sfc-Lift cond lev (LCL): 941.86 mb = 583.69 m = 1914.96 ft T: 23.73 C 700-500 lapse rate: 5.75 C/km ThetaE index: 12.45 C Layer 925.0- 850.0 mb Conv cond level (CCL): 876.80 mb = 1208.44 m = 3964.66 ft Mean mixing ratio: 17.86 g/kg Conv temperature: 32.48 C = 90.47 F Cap Strength: 1.16 C Lifted Index: -3.65 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -2.45 C Lifted Index @700 mb: -1.14 C Showalter Index: -1.96 C Risk: Thunderstorms probable Total Totals Index: 46.40 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.50 C Cross Totals Index: 21.90 C K Index: 38.60 Risk: > 80 % chance of thunderstorms Sweat Index: 227.60 Risk: None Energy Index: -1.45 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1290.80 J/kg Max Up Vert Vel: 50.81 m/s Conv Inhibition (B-): 24.43 J/kg Cap Strength: 1.13 C Lift Cond Lev (LCL): 922.83 mb = 764.46 m = 2508.04 ft Lev Free Conv (LFC): 827.83 mb = 1704.47 m = 5592.04 ft Equ Level (EL): 127.83 mb = 15196.29 m = 49855.99 ft B at Equ Level: 1284.37 J/kg Wind level data Storm motion: 126 at 6 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 1005 8 235 2 1.6 1.1 | 290 7 6.6 -2.5 1 1000 52 285 6 5.8 -1.6 | 296 12 10.8 -5.2 2 972 305 260 8 7.9 1.4 | 280 13 12.9 -2.2 3 925 744 250 6 5.6 2.1 | 278 11 10.6 -1.6 4 907 914 245 3 2.7 1.3 | 287 8 7.7 -2.3 5 876 1219 105 1 -1.0 0.3 | 310 5 4.0 -3.3 6 850 1477 90 4 -4.0 0.0 | 345 4 1.0 -3.6 7 816 1829 75 6 -5.8 -1.6 | 9 5 -0.8 -5.2 8 787 2134 105 11 -10.6 2.8 | 82 6 -5.6 -0.8 9 732 2743 75 1 -1.0 -0.3 | 314 6 4.0 -3.9 10 707 3048 55 5 -4.1 -2.9 | 352 7 0.9 -6.5 11 700 3129 75 8 -7.7 -2.1 | 26 6 -2.7 -5.7 12 681 3353 60 4 -3.5 -2.0 | 345 6 1.5 -5.6 13 656 3658 105 6 -5.8 1.6 | 21 2 -0.8 -2.1 14 632 3962 55 6 -4.9 -3.4 | 359 7 0.1 -7.0 15 586 4572 80 12 -11.8 -2.1 | 50 9 -6.8 -5.7 16 500 5860 115 18 -16.3 7.6 | 109 12 -11.3 4.0 17 485 6096 115 19 -17.2 8.0 | 110 13 -12.2 4.4 18 400 7590 125 18 -14.7 10.3 | 125 12 -9.7 6.7 19 324 9144 115 18 -16.3 7.6 | 109 12 -11.3 4.0 20 300 9710 95 23 -22.9 2.0 | 85 18 -17.9 -1.6 21 250 10990 90 26 -26.0 0.0 | 80 21 -21.0 -3.6 22 229 11582 95 29 -28.9 2.5 | 87 24 -23.9 -1.1 23 200 12470 95 33 -32.9 2.9 | 88 28 -27.9 -0.7 24 199 12497 100 32 -31.5 5.6 | 94 27 -26.5 1.9 25 150 14260 90 33 -33.0 0.0 | 83 28 -28.0 -3.6 26 141 14630 90 30 -30.0 0.0 | 82 25 -25.0 -3.6 27 133 14935 80 25 -24.6 -4.3 | 68 21 -19.6 -7.9 28 120 15545 85 37 -36.9 -3.2 | 78 33 -31.9 -6.8 29 100 16580 80 47 -46.3 -8.2 | 74 43 -41.3 -11.8 30 92 17069 90 36 -36.0 0.0 | 83 31 -31.0 -3.6 31 82 17678 40 6 -3.9 -4.6 | 352 8 1.1 -8.2 32 78 17983 35 16 -9.2 -13.1 | 14 17 -4.2 -16.7 33 74 18288 65 22 -19.9 -9.3 | 49 20 -14.9 -12.9 34 70 18593 70 12 -11.3 -4.1 | 39 10 -6.3 -7.7 35 66 18898 300 3 2.6 -1.5 | 304 9 7.6 -5.1 36 63 19202 295 10 9.1 -4.2 | 299 16 14.1 -7.8 37 56 19812 295 16 14.5 -6.8 | 298 22 19.5 -10.4 38 53 20117 285 9 8.7 -2.3 | 293 15 13.7 -5.9 39 50 20422 150 6 -3.0 5.2 | 231 3 2.0 1.6 40 48 20726 80 12 -11.8 -2.1 | 50 9 -6.8 -5.7 41 43 21336 75 34 -32.8 -8.8 | 66 30 -27.8 -12.4 Wind Parameters Mean winds (0-6000m): 95.8 at 8.2 knts Storm direction: 125.8 at 6.2 knts Shear (0-3000m) pos: 0.2 neg: 1.3 tot: 1.5 10-3/s Storm rel Dir Shear (0-3000m): 58.2 deg Storm rel helicity (0-3000m) pos: 24.2 neg: -20.7 tot: 3.5 m^2/s^2 ave: 1.2 10^-3 m/s^2 rel: 0.12 Storm rel vorticity (0-3000m) horiz: 7.3 stream: 0.9 10^-3/s Energy-Hel index: 0.14 Bulk Rich Number: 42.79 Bulk Shear: 30.16 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 ------------------------------------------------------------------------------- 500 265 7 284 12| 5.4 0.0 5.4| 0.8 -10.1 -9.3 -18.6 -0.29| 9.5 -2.8 1000 258 6 282 11| 2.7 3.1 5.8| 4.0 -11.1 -7.0 -7.0 -0.12| 8.0 -0.9 1500 256 5 284 10| 1.8 3.8 5.6| 10.2 -11.1 -0.9 -0.6 0.15| 7.4 1.1 2000 246 5 279 10| 0.3 2.9 3.2| 16.9 -11.1 5.8 2.9 0.31| 7.1 2.2 2500 128 6 279 0| 0.3 1.5 1.8| 20.0 -17.2 2.8 1.1 0.15| 7.4 1.1 3000 115 5 350 1| 0.2 1.3 1.5| 24.2 -20.7 3.5 1.2 0.12| 7.3 0.9 4000 92 5 6 3| 0.4 1.3 1.7| 30.9 -26.5 4.4 1.1 0.11| 7.2 0.8 5000 85 6 19 4| 1.2 1.0 2.2| 52.5 -26.5 26.0 5.2 0.24| 6.8 1.6 6000 96 8 49 4| 1.6 0.8 2.5| 73.0 -26.5 46.5 7.7 0.31| 6.4 2.0 Wrote GIF file: /home/apache/climate/data/raob//VO466/skewt/VO466.skewt.20251018.12.gif