UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120412.upa.cvt Date: 1200Z 4 DEC 25 Searching for VO371... Searching the city database file for: VO371 ... Date:1200Z 4 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 72 31.0 23.0 63 8.0 25.1 100 2 304.1 307.4 298.2 357.5 17.94 1 1000 81 29.6 21.6 62 8.0 23.8 265 2 302.8 305.8 297.0 351.5 16.46 2 925 770 24.0 19.8 77 4.2 21.0 105 2 303.8 306.8 296.9 351.2 15.91 3 871 1298 19.8 17.2 85 2.6 18.0 45 9 304.8 307.4 296.1 347.5 14.32 4 850 1510 18.4 15.6 84 2.8 16.5 45 14 305.4 307.9 295.5 345.0 13.23 5 726 2848 10.2 8.2 87 2.0 9.0 60 7 310.5 312.3 294.2 339.5 9.45 6 700 3153 9.4 6.4 82 3.0 7.6 90 6 312.9 314.5 294.3 339.7 8.65 7 654 3714 6.2 3.8 85 2.4 4.8 100 7 315.4 316.9 294.2 339.6 7.71 8 640 3892 5.8 -0.2 65 6.0 2.5 103 7 316.9 318.1 293.2 335.7 5.90 9 580 4690 0.0 -2.0 86 2.0 -1.0 88 9 319.2 320.3 293.7 337.5 5.70 10 568 4858 -0.3 -8.3 55 8.0 -3.9 86 10 320.8 321.5 292.4 332.6 3.60 11 558 5000 -1.3 -5.4 74 4.1 -3.3 83 11 321.2 322.1 293.4 336.2 4.59 12 535 5335 -2.9 -5.9 80 3.0 -4.4 80 11 323.2 324.1 293.9 338.3 4.61 13 514 5652 -4.1 -15.1 42 11.0 -8.4 93 8 325.5 325.9 292.6 333.3 2.30 14 500 5870 -5.5 -14.5 49 9.0 -9.0 90 6 326.3 326.8 293.0 334.8 2.49 15 495 5949 -5.9 -13.9 53 8.0 -9.1 86 6 326.8 327.3 293.3 335.8 2.64 16 427 7093 -11.9 -27.9 25 16.0 -16.2 50 6 333.2 333.4 293.4 336.5 0.90 17 400 7590 -15.3 -27.3 35 12.0 -18.4 20 2 335.1 335.3 294.0 338.8 1.02 18 382 7936 -17.3 -28.3 38 11.0 -20.0 240 2 336.9 337.1 294.4 340.5 0.97 19 355 8481 -21.7 -31.7 40 10.0 -23.8 227 9 338.1 338.3 294.6 341.0 0.76 20 344 8712 -22.9 -46.9 9 24.0 -26.0 221 12 339.6 339.6 294.4 340.2 0.16 21 316 9328 -27.9 -43.9 20 16.0 -29.9 199 20 341.0 341.0 294.8 341.9 0.25 22 308 9512 -28.9 -53.9 7 25.0 -31.1 187 25 342.1 342.1 294.9 342.4 0.08 23 300 9700 -30.3 -44.3 24 14.0 -31.9 175 30 342.7 342.7 295.2 343.7 0.25 24 290 9940 -32.1 -44.1 29 12.0 -33.4 177 29 343.4 343.5 295.4 344.5 0.26 25 283 10112 -33.7 -42.7 40 9.0 -34.7 175 30 343.6 343.6 295.4 344.8 0.31 26 266 10544 -36.7 -59.7 7 23.0 -38.0 178 29 345.3 345.3 295.6 345.5 0.05 27 250 10970 -40.3 -54.3 21 14.0 -41.1 185 25 346.2 346.2 295.8 346.6 0.10 28 227 11617 -46.5 -62.5 15 16.0 -47.0 185 24 346.4 346.4 295.8 346.5 0.04 29 200 12440 -54.3 -62.3 37 8.0 -54.5 195 22 346.8 346.8 296.0 347.0 0.04 30 198 12504 -54.9 -61.9 42 7.0 -55.1 195 22 346.8 346.8 296.0 347.0 0.05 31 195 12602 -55.9 -62.9 41 7.0 -56.1 195 22 346.7 346.8 296.0 346.9 0.04 32 186 12902 -57.3 -71.3 15 14.0 -57.5 200 23 349.2 349.2 296.5 349.3 0.01 33 150 14230 -67.7 -76.7 27 9.0 -67.8 255 24 353.5 353.5 297.4 353.5 0.01 34 136 14812 -72.1 -81.1 25 9.0 -72.1 247 26 355.7 355.7 297.8 355.7 0.00 35 118 15640 -75.1 -85.1 20 10.0 -75.1 237 39 364.9 364.9 299.7 364.9 0.00 36 100 16580 -82.9 -90.9 24 8.0 -82.9 250 11 367.6 367.6 300.1 367.6 0.00 37 90 17160 -87.7 -93.7 32 6.0 -87.7 180 13 369.2 369.2 300.4 369.2 0.00 38 70 18540 -83.7 -90.7 28 7.0 -83.7 85 25 405.3 405.3 305.9 405.3 0.00 39 50 20490 -73.7 -91.7 5 18.0 -73.8 85 10 469.8 469.8 312.6 469.8 0.00 40 30 23600 -59.9 -93.9 0 34.0 -60.9 95 47 581.3 581.3 319.8 581.4 0.00 41 20 26160 -49.1 -86.1 1 37.0 -52.9 105 49 685.9 685.9 324.0 686.0 0.01 42 10 30750 -40.1 -79.1 1 39.0 -50.3 185 5 869.9 869.9 328.8 870.6 0.08 TRP 90 17160 -87.7 -93.7 32 6.0 -87.7 180 13 369.2 369.2 300.4 369.2 0.00 WND Sounding variables and indices 1000-500 mb thick: 5789.00 m Freezing level: 580.00 mb = 4690.27 m = 15387.84 ft Wetbulb zero: 597.37 mb = 4450.88 m = 14602.44 ft Precipitable water: 2.10 inches Sfc-500 mean rel hum: 76.77 % Est. max temperature: 32.33 C = 90.19 F Sfc-Lift cond lev (LCL): 892.02 mb = 1088.67 m = 3571.71 ft T: 21.46 C 700-500 lapse rate: 5.48 C/km ThetaE index: 18.04 C Layer 1000.0- 700.0 mb Conv cond level (CCL): 853.94 mb = 1469.84 m = 4822.26 ft Mean mixing ratio: 16.04 g/kg Conv temperature: 32.23 C = 90.01 F Cap Strength: 1.13 C Lifted Index: -2.94 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -2.55 C Lifted Index @700 mb: -1.52 C Showalter Index: -0.72 C Risk: Thunderstorms probable Total Totals Index: 45.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.90 C Cross Totals Index: 21.10 C K Index: 36.50 Risk: > 80 % chance of thunderstorms Sweat Index: 221.20 Risk: None Energy Index: -2.01 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1022.55 J/kg Max Up Vert Vel: 45.22 m/s Conv Inhibition (B-): 19.36 J/kg Cap Strength: 1.13 C Lift Cond Lev (LCL): 876.46 mb = 1243.12 m = 4078.41 ft Lev Free Conv (LFC): 821.46 mb = 1799.93 m = 5905.20 ft Equ Level (EL): 161.46 mb = 13775.53 m = 45194.76 ft B at Equ Level: 1010.89 J/kg Max Parcel Lev (MPL): 91.46 mb = 17071.47 m = 56008.07 ft Wind level data Storm motion: 104 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 1001 72 100 2 -2.0 0.3 | 286 4 3.8 -1.1 1 1000 81 265 2 2.0 0.2 | 279 8 7.8 -1.3 2 975 305 210 5 2.5 4.3 | 251 9 8.3 2.9 3 942 610 200 3 1.0 2.8 | 259 7 6.8 1.3 4 925 770 105 2 -1.9 0.5 | 284 4 3.9 -1.0 5 910 914 85 5 -5.0 -0.4 | 337 2 0.8 -1.9 6 879 1219 45 7 -4.9 -4.9 | 352 6 0.9 -6.4 7 850 1510 45 14 -9.9 -9.9 | 20 12 -4.1 -11.4 8 849 1524 45 14 -9.9 -9.9 | 20 12 -4.1 -11.4 9 790 2134 45 11 -7.8 -7.8 | 12 9 -2.0 -9.3 10 735 2743 50 7 -5.4 -4.5 | 356 6 0.4 -6.0 11 700 3153 90 6 -6.0 0.0 | 8 1 -0.2 -1.5 12 633 3962 105 7 -6.8 1.8 | 109 1 -1.0 0.3 13 587 4572 90 9 -9.0 0.0 | 65 4 -3.2 -1.5 14 544 5182 80 12 -11.8 -2.1 | 59 7 -6.0 -3.6 15 524 5486 80 9 -8.9 -1.6 | 45 4 -3.1 -3.0 16 505 5791 105 7 -6.8 1.8 | 109 1 -1.0 0.3 17 500 5870 90 6 -6.0 0.0 | 8 1 -0.2 -1.5 18 449 6706 50 7 -5.4 -4.5 | 356 6 0.4 -6.0 19 431 7010 60 6 -5.2 -3.0 | 352 5 0.6 -4.5 20 415 7315 20 4 -1.4 -3.8 | 320 7 4.4 -5.2 21 400 7590 20 2 -0.7 -1.9 | 303 6 5.1 -3.4 22 398 7620 10 3 -0.5 -3.0 | 310 7 5.3 -4.4 23 382 7925 240 2 1.7 1.0 | 274 8 7.5 -0.5 24 352 8534 225 10 7.1 7.1 | 247 14 12.9 5.6 25 324 9144 210 16 8.0 13.9 | 228 19 13.8 12.4 26 300 9700 175 30 -2.6 29.9 | 186 29 3.2 28.4 27 298 9754 180 27 0.0 27.0 | 193 26 5.8 25.5 28 285 10058 175 30 -2.6 29.9 | 186 29 3.2 28.4 29 273 10363 175 31 -2.7 30.9 | 186 30 3.1 29.4 30 250 10970 185 25 2.2 24.9 | 199 25 8.0 23.4 31 250 10973 175 28 -2.4 27.9 | 187 27 3.4 26.4 32 208 12192 195 21 5.4 20.3 | 211 22 11.2 18.8 33 200 12440 195 22 5.7 21.3 | 210 23 11.5 19.8 34 189 12802 195 23 6.0 22.2 | 210 24 11.8 20.7 35 163 13716 250 21 19.7 7.2 | 257 26 25.5 5.7 36 150 14230 255 24 23.2 6.2 | 261 29 29.0 4.7 37 133 14935 245 26 23.6 11.0 | 252 31 29.4 9.5 38 126 15240 235 33 27.0 18.9 | 242 37 32.8 17.5 39 120 15545 235 40 32.8 22.9 | 241 44 38.6 21.5 40 108 16154 255 33 31.9 8.5 | 259 38 37.7 7.1 41 102 16459 240 19 16.5 9.5 | 250 24 22.3 8.0 42 100 16580 250 11 10.3 3.8 | 262 16 16.1 2.3 43 90 17160 180 13 0.0 13.0 | 207 13 5.8 11.5 44 70 18540 85 25 -24.9 -2.2 | 79 19 -19.1 -3.7 45 50 20490 85 10 -10.0 -0.9 | 61 5 -4.2 -2.3 46 30 23600 95 47 -46.8 4.1 | 94 41 -41.0 2.6 47 20 26160 105 49 -47.3 12.7 | 105 43 -41.5 11.2 48 10 30750 185 5 0.4 5.0 | 241 7 6.2 3.5 Wind Parameters Mean winds (0-6000m): 74.3 at 8.0 knts Storm direction: 104.3 at 6.0 knts Shear (0-3000m) pos: 1.9 neg: 2.5 tot: 4.3 10-3/s Storm rel Dir Shear (0-3000m): 81.9 deg Storm rel helicity (0-3000m) pos: 15.9 neg: -16.5 tot: -0.6 m^2/s^2 ave: -0.2 10^-3 m/s^2 rel: 0.08 Storm rel vorticity (0-3000m) horiz: 6.6 stream: 0.5 10^-3/s Energy-Hel index: 0.10 Bulk Rich Number: 62.16 Bulk Shear: 16.45 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 ------------------------------------------------------------------------------- 500 214 4 258 8| 4.2 0.0 4.2| 1.5 -8.8 -7.4 -14.7 -0.41| 9.6 -3.9 1000 168 4 246 5| 2.1 4.5 6.6| 6.3 -8.8 -2.6 -2.6 0.09| 9.8 0.9 1500 66 6 352 4| 1.4 5.8 7.2| 14.9 -8.9 6.0 4.0 0.19| 9.6 1.9 2000 53 8 2 6| 1.1 3.7 4.7| 14.9 -12.3 2.7 1.3 0.14| 7.8 1.1 2500 51 8 3 7| 1.5 2.9 4.5| 14.9 -15.5 -0.5 -0.2 0.08| 6.9 0.6 3000 52 8 3 6| 1.9 2.5 4.3| 15.9 -16.5 -0.6 -0.2 0.08| 6.6 0.5 4000 64 7 11 5| 1.7 1.8 3.5| 16.3 -16.6 -0.3 -0.1 0.10| 5.4 0.6 5000 71 8 22 4| 1.3 2.0 3.3| 16.3 -17.8 -1.5 -0.3 0.06| 4.8 0.3 6000 74 8 27 4| 1.3 1.6 2.9| 17.6 -20.4 -2.8 -0.5 0.02| 4.9 0.1 Wrote GIF file: /home/apache/climate/data/raob//VO371/skewt/VO371.skewt.20251204.12.gif