UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120400.upa.cvt Date: 0000Z 4 DEC 25 Searching for VI874... Searching the city database file for: VI874 ... Date:0000Z 4 DEC 25 Station: VI874 WMO ident: 42874 Latitude: 21.22 Longitude: 81.67 ------------------------------------------------------------------------------- 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 982 381 16.0 10.0 68 6.0 12.5 0 0 290.7 292.0 286.4 313.0 7.87 1 981 389 16.6 5.6 48 11.0 10.6 1 1 291.3 292.4 284.6 308.1 5.81 2 973 458 17.2 5.2 45 12.0 10.7 13 5 292.6 293.6 285.0 309.1 5.70 3 968 501 17.8 4.8 42 13.0 10.7 20 8 293.7 294.7 285.2 309.9 5.57 4 960 572 18.4 5.4 42 13.0 11.2 32 12 295.0 296.0 286.1 312.1 5.86 5 949 669 18.8 3.8 37 15.0 10.7 45 17 296.4 297.3 286.0 311.9 5.29 6 866 1440 15.2 -7.8 20 23.0 5.1 38 7 300.5 300.9 284.6 308.0 2.45 7 859 1508 15.8 -15.2 10 31.0 3.9 34 7 301.8 302.0 283.8 306.1 1.36 8 851 1586 16.4 -24.6 4 41.0 3.1 30 7 303.2 303.3 283.5 305.3 0.61 9 833 1766 16.2 -16.8 9 33.0 3.7 13 7 304.9 305.1 284.9 308.9 1.23 10 775 2369 13.4 -23.6 6 37.0 1.1 294 7 308.2 308.4 285.6 310.7 0.73 11 620 4193 2.6 -27.4 9 30.0 -6.0 275 18 316.1 316.3 288.2 318.4 0.65 12 609 4337 2.8 -28.2 8 31.0 -6.1 275 20 318.0 318.1 288.8 320.2 0.62 13 566 4922 -0.5 -33.5 6 33.0 -8.7 275 22 320.8 320.9 289.5 322.3 0.40 14 501 5877 -7.9 -37.9 7 30.0 -14.0 260 23 323.2 323.3 290.0 324.3 0.29 15 427 7091 -16.7 -41.7 10 25.0 -20.7 267 30 327.1 327.2 291.2 328.0 0.23 16 373 8087 -24.3 -47.3 10 23.0 -26.9 266 36 329.9 330.0 291.9 330.5 0.14 17 335 8858 -30.3 -56.3 6 26.0 -32.2 258 42 332.0 332.0 292.3 332.3 0.06 18 323 9115 -32.9 -54.9 9 22.0 -34.4 256 44 331.9 331.9 292.3 332.2 0.07 19 270 10355 -39.1 -76.1 1 37.0 -40.2 253 68 340.4 340.4 294.4 340.4 0.00 20 218 11781 -50.7 -83.7 1 33.0 -51.1 242 77 343.9 343.9 295.3 343.9 0.00 21 189 12693 -58.1 -78.1 6 20.0 -58.3 235 82 346.2 346.2 295.8 346.3 0.00 22 187 12759 -58.7 -77.7 7 19.0 -58.9 236 81 346.4 346.4 295.8 346.4 0.01 23 171 13318 -59.7 -89.7 1 30.0 -59.9 244 77 353.7 353.7 297.4 353.7 0.00 24 157 13850 -60.9 -90.9 1 30.0 -61.1 255 70 360.4 360.4 298.8 360.4 0.00 25 144 14384 -62.5 -91.5 1 29.0 -62.7 265 55 366.7 366.7 299.9 366.7 0.00 26 105 16262 -77.1 -102.1 1 25.0 -77.1 246 29 373.5 373.5 301.2 373.5 0.00 27 100 16540 -79.3 -104.3 1 25.0 -79.3 240 27 374.5 374.5 301.4 374.5 0.00 TRP WND 189 12693 -58.1 -78.1 6 20.0 -58.3 235 82 346.2 346.2 295.8 346.3 0.00 Sounding variables and indices Freezing level: 572.52 mb = 4832.99 m = 15856.09 ft Wetbulb zero: 750.43 mb = 2632.72 m = 8637.44 ft Precipitable water: 0.32 inches Sfc-500 mean rel hum: 11.96 % Est. max temperature: 30.20 C = 86.36 F Sfc-Lift cond lev (LCL): 897.67 mb = 1137.17 m = 3730.82 ft T: 16.61 C 700-500 lapse rate: 6.13 C/km ThetaE index: 6.80 C Layer 949.0- 833.0 mb Conv cond level (CCL): 512.81 mb = 5694.42 m = 18682.26 ft Mean mixing ratio: 4.60 g/kg Conv temperature: 47.96 C = 118.33 F Cap Strength: 14.54 C Lifted Index: 14.12 C Risk: None Lifted Index @300 mb: 18.02 C Lifted Index @700 mb: 12.44 C Showalter Index: 16.37 C Risk: None Total Totals Index: 8.24 C Risk: None Vertical Totals Index: 24.40 C Cross Totals Index: -16.16 C K Index: -33.58 Risk: None Sweat Index: 37.18 Risk: None Energy Index: 3.96 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 26.65 J/kg Max Up Vert Vel: 7.30 m/s Conv Inhibition (B-): 12382.06 J/kg Cap Strength: 14.53 C Lift Cond Lev (LCL): 732.08 mb = 2835.07 m = 9301.30 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 308 at 12 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 ---------------------------------------------------------- 0 982 381 0 0 -0.0 -0.0 | 128 12 -9.2 7.1 1 951 610 45 17 -12.0 -12.0 | 77 22 -21.2 -4.9 2 925 806 45 12 -8.5 -8.5 | 86 18 -17.7 -1.3 3 913 914 45 10 -7.1 -7.1 | 90 16 -16.3 0.1 4 881 1219 45 7 -4.9 -4.9 | 99 14 -14.1 2.2 5 850 1523 30 7 -3.5 -6.1 | 95 13 -12.7 1.1 6 820 1829 360 7 -0.0 -7.0 | 91 9 -9.2 0.1 7 790 2134 310 6 4.6 -3.9 | 126 6 -4.6 3.3 8 762 2438 280 8 7.9 -1.4 | 167 6 -1.3 5.8 9 735 2743 280 11 10.8 -1.9 | 197 5 1.7 5.2 10 709 3048 275 15 14.9 -1.3 | 225 8 5.8 5.8 11 700 3150 270 16 16.0 -0.0 | 224 10 6.8 7.1 12 657 3658 260 15 14.8 2.6 | 210 11 5.6 9.8 13 632 3962 275 16 15.9 -1.4 | 230 9 6.8 5.8 14 609 4267 275 20 19.9 -1.7 | 243 12 10.7 5.4 15 586 4572 275 22 21.9 -1.9 | 248 14 12.7 5.2 16 564 4877 275 22 21.9 -1.9 | 248 14 12.7 5.2 17 523 5486 260 25 24.6 4.3 | 233 19 15.4 11.5 18 500 5840 260 23 22.7 4.0 | 230 17 13.5 11.1 19 483 6096 260 24 23.6 4.2 | 232 18 14.5 11.3 20 400 7540 270 33 33.0 -0.0 | 253 25 23.8 7.1 21 396 7620 270 32 32.0 -0.0 | 253 24 22.8 7.1 22 320 9144 255 45 43.5 11.6 | 241 39 34.3 18.8 23 300 9600 260 53 52.2 9.2 | 249 46 43.0 16.3 24 257 10668 250 75 70.5 25.7 | 242 70 61.3 32.8 25 250 10850 245 76 68.9 32.1 | 237 71 59.7 39.3 26 204 12192 240 78 67.5 39.0 | 232 74 58.4 46.1 27 200 12320 235 81 66.4 46.5 | 227 78 57.2 53.6 28 189 12693 235 82 67.2 47.0 | 227 79 58.0 54.2 29 160 13716 250 74 69.5 25.3 | 242 69 60.4 32.5 30 150 14120 265 60 59.8 5.2 | 256 52 50.6 12.4 31 124 15240 265 35 34.9 3.1 | 248 28 25.7 10.2 32 100 16540 240 27 23.4 13.5 | 215 25 14.2 20.6 Wind Parameters Mean winds (0-6000m): 277.9 at 15.5 knts Storm direction: 307.9 at 11.6 knts Shear (0-3000m) pos: 1.8 neg: 4.2 tot: 6.0 10-3/s Storm rel Dir Shear (0-3000m): 89.1 deg Storm rel helicity (0-3000m) pos: 51.0 neg: -44.3 tot: 6.7 m^2/s^2 ave: 2.2 10^-3 m/s^2 rel: 0.12 Storm rel vorticity (0-3000m) horiz: 8.7 stream: 1.0 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.35 Bulk Shear: 76.59 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 45 11 87 17| 10.9 0.0 10.9| 19.2 -35.9 -16.7 -33.4 -0.34| 22.6 -7.6 1000 45 10 91 16| 5.5 2.0 7.4| 29.4 -37.1 -7.7 -7.7 -0.20| 13.5 -2.7 1500 38 9 91 15| 3.6 2.9 6.6| 30.0 -40.8 -10.8 -7.2 -0.19| 10.9 -2.1 2000 26 8 88 13| 2.7 4.1 6.8| 40.3 -40.8 -0.5 -0.2 0.02| 10.3 0.2 2500 6 9 82 10| 2.2 4.3 6.5| 48.1 -40.8 7.3 2.9 0.13| 9.3 1.2 3000 335 10 72 5| 1.8 4.2 6.0| 51.0 -44.3 6.7 2.2 0.12| 8.7 1.0 4000 300 12 210 2| 1.4 3.2 4.6| 67.4 -47.4 19.9 5.0 0.18| 7.8 1.4 5000 287 14 231 5| 1.1 3.1 4.2| 69.5 -61.6 7.9 1.6 0.12| 6.9 0.8 6000 278 16 231 8| 0.9 2.5 3.4| 79.2 -69.6 9.6 1.6 0.12| 6.3 0.7 Wrote GIF file: /home/apache/climate/data/raob//VI874/skewt/VI874.skewt.20251204.00.gif