UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120812.upa.cvt Date: 1200Z 8 DEC 25 Searching for VO371... Searching the city database file for: VO371 ... Date:1200Z 8 DEC 25 Station: VO371 WMO ident: 43371 Latitude: 8.48 Longitude: 76.95 ------------------------------------------------------------------------------- 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 1001 73 30.0 23.0 66 7.0 24.9 0 0 303.1 306.4 298.0 356.3 17.94 1 1000 82 28.6 21.6 66 7.0 23.5 135 2 301.8 304.8 296.7 350.3 16.46 2 931 712 23.8 16.8 65 7.0 19.0 290 4 303.1 305.5 294.7 341.7 13.04 3 925 768 23.6 17.6 69 6.0 19.4 310 5 303.4 306.0 295.4 344.5 13.82 4 894 1066 21.0 18.2 84 2.8 19.1 5 7 303.7 306.5 296.2 347.9 14.87 5 850 1503 18.2 14.4 78 3.8 15.7 50 13 305.2 307.5 294.7 341.8 12.23 6 778 2259 13.2 11.6 90 1.6 12.1 52 10 307.7 309.7 294.6 341.2 11.10 7 751 2557 12.2 6.2 67 6.0 8.6 57 13 309.7 311.2 292.8 334.1 7.94 8 742 2659 13.6 2.6 47 11.0 7.3 59 14 312.3 313.5 292.2 331.7 6.23 9 725 2856 13.8 0.8 41 13.0 6.6 67 15 314.6 315.7 292.3 332.3 5.60 10 700 3152 11.6 -0.4 43 12.0 5.1 80 14 315.3 316.4 292.3 332.2 5.31 11 642 3867 6.8 -7.2 36 14.0 0.2 57 13 317.8 318.5 291.5 329.1 3.47 12 564 4916 0.0 -8.0 55 8.0 -3.7 12 5 321.8 322.5 292.8 334.0 3.71 13 538 5292 -1.9 -15.9 33 14.0 -7.2 44 6 323.9 324.3 291.9 330.9 2.06 14 515 5638 -4.3 -14.3 46 10.0 -8.2 75 7 325.0 325.5 292.6 333.4 2.45 15 501 5854 -5.3 -21.3 27 16.0 -10.5 94 8 326.4 326.7 292.0 331.3 1.39 16 500 5870 -5.3 -21.3 27 16.0 -10.5 95 8 326.6 326.9 292.1 331.5 1.40 17 485 6108 -6.7 -19.7 35 13.0 -11.1 90 7 327.7 328.0 292.7 333.5 1.65 18 474 6287 -7.3 -28.3 17 21.0 -13.0 92 7 329.1 329.3 292.3 332.0 0.78 19 443 6811 -10.5 -19.5 48 9.0 -13.5 106 10 331.5 331.9 293.8 338.0 1.84 20 427 7093 -12.1 -23.1 39 11.0 -15.4 130 13 333.0 333.3 293.8 338.0 1.39 21 422 7183 -12.7 -19.7 56 7.0 -15.0 130 14 333.3 333.7 294.3 340.1 1.90 22 400 7590 -15.3 -21.3 60 6.0 -17.2 135 10 335.1 335.5 294.6 341.3 1.75 23 355 8480 -21.9 -27.9 58 6.0 -23.3 158 9 337.9 338.1 294.8 341.9 1.09 24 343 8733 -22.7 -35.7 30 13.0 -25.1 170 10 340.1 340.2 294.8 342.2 0.53 25 300 9700 -30.7 -38.7 45 8.0 -31.8 135 13 342.1 342.2 295.3 343.9 0.45 26 298 9748 -31.1 -39.1 45 8.0 -32.2 135 12 342.2 342.3 295.3 343.9 0.43 27 275 10313 -35.3 -51.3 18 16.0 -36.5 149 15 344.1 344.1 295.4 344.6 0.12 28 250 10970 -41.3 -53.3 26 12.0 -42.0 165 19 344.7 344.7 295.6 345.1 0.11 29 206 12250 -52.3 -64.3 22 12.0 -52.6 171 12 347.0 347.0 296.0 347.1 0.03 30 200 12440 -53.9 -63.9 28 10.0 -54.1 155 11 347.4 347.4 296.1 347.6 0.04 31 189 12800 -57.3 -64.3 41 7.0 -57.4 150 13 347.6 347.6 296.1 347.8 0.04 32 157 13952 -63.9 -78.9 11 15.0 -64.0 168 14 355.3 355.3 297.8 355.4 0.01 33 150 14230 -65.9 -82.9 8 17.0 -66.0 225 11 356.6 356.6 298.0 356.6 0.00 34 115 15784 -79.3 -86.3 31 7.0 -79.3 227 13 359.8 359.8 298.7 359.8 0.00 35 100 16570 -81.9 -88.9 29 7.0 -81.9 315 6 369.5 369.5 300.5 369.5 0.00 36 87 17340 -88.1 -95.1 26 7.0 -88.1 170 8 372.0 372.0 300.9 372.0 0.00 37 86 17404 -85.5 -94.5 18 9.0 -85.5 165 9 378.5 378.5 302.0 378.5 0.00 38 78 17939 -87.3 -93.3 32 6.0 -87.3 127 13 385.5 385.5 303.1 385.5 0.00 39 74 18228 -85.9 -92.9 27 7.0 -85.9 107 15 394.3 394.3 304.4 394.3 0.00 40 72 18381 -80.9 -89.9 21 9.0 -80.9 96 17 408.0 408.0 306.3 408.0 0.00 41 70 18540 -80.1 -89.1 21 9.0 -80.1 85 18 413.0 413.0 306.9 413.0 0.00 42 67 18787 -80.1 -88.1 25 8.0 -80.1 86 18 418.2 418.2 307.5 418.2 0.00 43 59 19521 -72.1 -86.1 10 14.0 -72.2 90 17 451.7 451.7 311.0 451.7 0.00 44 50 20500 -69.9 -87.9 6 18.0 -70.1 95 16 478.8 478.8 313.4 478.8 0.00 45 48 20744 -67.9 -87.9 4 20.0 -68.1 95 18 489.2 489.2 314.1 489.2 0.00 46 45 21131 -68.7 -87.7 5 19.0 -68.9 95 22 496.3 496.3 314.7 496.3 0.00 47 35 22666 -60.3 -87.3 2 27.0 -61.1 95 35 555.2 555.2 318.4 555.3 0.01 48 30 23630 -58.9 -86.9 2 28.0 -59.9 95 43 584.1 584.1 319.9 584.1 0.01 49 28 24061 -60.3 -87.3 2 27.0 -61.2 92 42 591.8 591.8 320.2 591.9 0.01 50 24 25025 -58.3 -86.3 2 28.0 -59.6 84 41 624.3 624.3 321.7 624.4 0.01 51 21 25875 -52.9 -85.9 1 33.0 -55.5 77 40 664.9 664.9 323.2 665.0 0.01 52 20 26190 -52.7 -85.7 1 33.0 -55.5 75 40 674.9 674.9 323.6 675.0 0.01 53 17 27244 -50.7 -83.7 1 33.0 -54.4 713.4 713.4 324.8 713.6 0.02 54 15 28056 -52.7 -83.7 1 31.0 -56.1 732.7 732.7 325.4 732.9 0.02 55 12 29513 -47.7 -83.7 1 36.0 -53.5 798.7 798.8 327.2 799.0 0.03 TRP 87 17340 -88.1 -95.1 26 7.0 -88.1 170 8 372.0 372.0 300.9 372.0 0.00 WND Sounding variables and indices 1000-500 mb thick: 5788.00 m Freezing level: 564.00 mb = 4916.05 m = 16128.59 ft Wetbulb zero: 638.06 mb = 3916.99 m = 12850.86 ft Precipitable water: 1.78 inches Sfc-500 mean rel hum: 56.89 % Est. max temperature: 32.11 C = 89.81 F Sfc-Lift cond lev (LCL): 904.85 mb = 960.53 m = 3151.31 ft T: 21.92 C 700-500 lapse rate: 6.22 C/km ThetaE index: 16.19 C Layer 850.0- 725.0 mb Conv cond level (CCL): 827.08 mb = 1736.49 m = 5697.08 ft Mean mixing ratio: 14.56 g/kg Conv temperature: 32.91 C = 91.24 F Cap Strength: 3.00 C Lifted Index: -0.87 C Risk: Thunderstorms probable Lifted Index @300 mb: -0.02 C Lifted Index @700 mb: 2.15 C Showalter Index: 0.77 C Risk: Thunderstorms probable Total Totals Index: 43.20 C Risk: None Vertical Totals Index: 23.50 C Cross Totals Index: 19.70 C K Index: 25.90 Risk: 40-60 % chance of thunderstorms Sweat Index: 206.80 Risk: None Energy Index: -1.95 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 96.02 J/kg Max Up Vert Vel: 13.86 m/s Conv Inhibition (B-): 46.58 J/kg Cap Strength: 2.93 C Lift Cond Lev (LCL): 866.08 mb = 1340.75 m = 4398.73 ft Lev Free Conv (LFC): 781.08 mb = 2225.26 m = 7300.62 ft Equ Level (EL): 751.08 mb = 2556.51 m = 8387.40 ft B at Equ Level: 6.31 J/kg Max Parcel Lev (MPL): 741.08 mb = 2669.83 m = 8759.19 ft Wind level data Storm motion: 87 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 1001 73 0 0 -0.0 -0.0 | 267 7 7.0 0.4 1 1000 82 135 2 -1.4 1.4 | 252 6 5.6 1.8 2 975 305 195 4 1.0 3.9 | 242 9 8.0 4.2 3 942 610 255 3 2.9 0.8 | 263 10 9.9 1.1 4 925 768 310 5 3.8 -3.2 | 285 11 10.8 -2.8 5 910 914 340 5 1.7 -4.7 | 296 10 8.7 -4.3 6 878 1219 30 9 -4.5 -7.8 | 341 8 2.5 -7.4 7 850 1503 50 13 -10.0 -8.4 | 20 9 -3.0 -8.0 8 848 1524 50 13 -10.0 -8.4 | 20 9 -3.0 -8.0 9 818 1829 50 11 -8.4 -7.1 | 12 7 -1.4 -6.7 10 789 2134 50 9 -6.9 -5.8 | 359 5 0.1 -5.4 11 735 2743 60 15 -13.0 -7.5 | 40 9 -6.0 -7.1 12 709 3048 80 14 -13.8 -2.4 | 73 7 -6.8 -2.1 13 700 3152 80 14 -13.8 -2.4 | 73 7 -6.8 -2.1 14 658 3658 55 14 -11.5 -8.0 | 30 9 -4.5 -7.7 15 610 4267 60 10 -8.7 -5.0 | 20 5 -1.7 -4.6 16 587 4572 45 9 -6.4 -6.4 | 354 6 0.6 -6.0 17 565 4877 10 5 -0.9 -4.9 | 307 8 6.1 -4.6 18 500 5870 95 8 -8.0 0.7 | 138 1 -1.0 1.1 19 486 6096 90 7 -7.0 0.0 | 180 0 0.0 0.4 20 449 6706 95 8 -8.0 0.7 | 138 1 -1.0 1.1 21 431 7010 130 13 -10.0 8.4 | 161 9 -3.0 8.7 22 415 7315 130 15 -11.5 9.6 | 156 11 -4.5 10.0 23 400 7590 135 10 -7.1 7.1 | 179 7 -0.1 7.4 24 398 7620 130 8 -6.1 5.1 | 189 6 0.9 5.5 25 382 7925 145 12 -6.9 9.8 | 181 10 0.1 10.2 26 367 8230 170 7 -1.2 6.9 | 219 9 5.8 7.3 27 352 8534 155 9 -3.8 8.2 | 201 9 3.2 8.5 28 337 8839 180 11 0.0 11.0 | 212 13 7.0 11.4 29 324 9144 190 8 1.4 7.9 | 225 12 8.4 8.2 30 300 9700 135 13 -9.2 9.2 | 167 10 -2.2 9.6 31 298 9754 135 12 -8.5 8.5 | 170 9 -1.5 8.9 32 250 10970 165 19 -4.9 18.4 | 186 19 2.1 18.7 33 250 10973 170 19 -3.3 18.7 | 191 19 3.7 19.1 34 228 11582 140 17 -10.9 13.0 | 164 14 -3.9 13.4 35 218 11887 150 8 -4.0 6.9 | 202 8 3.0 7.3 36 208 12192 175 12 -1.0 12.0 | 206 14 6.0 12.3 37 200 12440 155 11 -4.6 10.0 | 193 11 2.4 10.3 38 180 13106 145 15 -8.6 12.3 | 173 13 -1.6 12.7 39 155 14021 170 14 -2.4 13.8 | 198 15 4.6 14.2 40 150 14230 225 11 7.8 7.8 | 241 17 14.8 8.1 41 140 14630 230 11 8.4 7.1 | 244 17 15.4 7.4 42 126 15240 245 15 13.6 6.3 | 252 22 20.6 6.7 43 119 15545 245 17 15.4 7.2 | 251 24 22.4 7.6 44 113 15850 220 12 7.7 9.2 | 237 18 14.7 9.6 45 107 16154 230 10 7.7 6.4 | 245 16 14.7 6.8 46 102 16459 135 3 -2.1 2.1 | 243 5 4.9 2.5 47 100 16570 315 6 4.2 -4.2 | 289 12 11.2 -3.9 48 97 16764 320 6 3.9 -4.6 | 291 12 10.9 -4.2 49 87 17340 170 8 -1.4 7.9 | 214 10 5.6 8.2 50 70 18540 85 18 -17.9 -1.6 | 84 11 -10.9 -1.2 51 50 20500 95 16 -15.9 1.4 | 101 9 -8.9 1.8 52 30 23630 95 43 -42.8 3.7 | 97 36 -35.8 4.1 53 20 26190 75 40 -38.6 -10.4 | 72 33 -31.6 -10.0 Wind Parameters Mean winds (0-6000m): 57.0 at 9.3 knts Storm direction: 87.0 at 7.0 knts Shear (0-3000m) pos: 3.4 neg: 1.1 tot: 4.5 10-3/s Storm rel Dir Shear (0-3000m): 166.1 deg Storm rel helicity (0-3000m) pos: 73.6 neg: -9.2 tot: 64.4 m^2/s^2 ave: 21.5 10^-3 m/s^2 rel: 0.62 Storm rel vorticity (0-3000m) horiz: 7.3 stream: 4.5 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 4.93 Bulk Shear: 19.48 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 ------------------------------------------------------------------------------- 500 201 3 247 9| 0.0 3.2 3.2| 8.4 -5.5 2.9 5.7 0.03| 8.7 0.2 1000 285 4 273 11| 4.6 1.6 6.2| 35.4 -5.5 29.8 29.8 0.53| 9.8 5.2 1500 22 6 319 7| 5.4 1.1 6.4| 54.9 -5.5 49.4 32.9 0.68| 9.7 6.6 2000 37 7 336 6| 4.0 1.6 5.7| 54.9 -9.2 45.7 22.9 0.54| 8.1 4.4 2500 43 8 346 6| 4.0 1.3 5.3| 60.9 -9.2 51.7 20.7 0.57| 7.4 4.2 3000 51 9 1 5| 3.4 1.1 4.5| 73.6 -9.2 64.4 21.5 0.62| 7.3 4.5 4000 56 10 16 6| 2.6 1.2 3.8| 73.6 -22.4 51.2 12.8 0.39| 6.6 2.6 5000 54 10 10 6| 2.1 1.7 3.8| 75.7 -36.7 39.0 7.8 0.20| 6.5 1.3 6000 57 9 10 5| 2.0 1.4 3.5| 79.3 -36.7 42.6 7.1 0.25| 6.2 1.6 Wrote GIF file: /home/apache/climate/data/raob//VO371/skewt/VO371.skewt.20251208.12.gif