UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042200.upa.cvt Date: 0000Z 22 APR 25 Searching for VT381... Searching the city database file for: VT381 ... Date:0000Z 22 APR 25 Station: VT381 WMO ident: 48381 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- 0 1000 89 SFC 988 196 27.0 24.3 85 2.7 25.0 240 2 301.2 304.8 298.5 359.3 19.72 2 987 205 27.2 19.2 62 8.0 21.6 245 2 301.5 304.1 295.2 343.7 14.33 3 971 350 29.2 18.2 52 11.0 21.5 281 6 304.9 307.4 295.7 345.7 13.67 4 957 479 28.8 17.8 51 11.0 21.1 241 7 305.8 308.3 295.8 346.3 13.52 5 925 781 27.0 17.0 54 10.0 20.1 200 9 306.9 309.4 296.0 346.9 13.29 6 850 1523 20.8 13.8 64 7.0 16.1 180 8 307.9 310.1 295.1 343.5 11.75 7 849 1533 20.8 13.8 64 7.0 16.1 180 8 308.0 310.2 295.2 343.6 11.76 8 846 1564 20.6 13.6 64 7.0 15.9 179 7 308.1 310.3 295.1 343.4 11.65 9 700 3174 11.0 -3.0 37 14.0 3.8 80 1 314.7 315.5 291.3 328.6 4.38 10 678 3439 10.0 -6.0 32 16.0 2.2 125 2 316.4 317.1 291.2 328.1 3.60 11 611 4292 3.4 -8.6 41 12.0 -2.0 4 4 318.4 319.0 291.5 329.1 3.27 12 588 4603 2.0 -15.0 27 17.0 -4.7 318 3 320.3 320.7 290.9 327.1 2.03 13 584 4658 1.6 -7.4 51 9.0 -2.6 310 3 320.4 321.2 292.4 332.7 3.76 14 573 4811 2.2 -19.8 18 22.0 -5.6 287 3 322.9 323.2 291.0 327.7 1.39 15 563 4953 1.2 -11.8 37 13.0 -4.4 277 3 323.3 323.9 292.4 332.6 2.75 16 553 5096 0.6 -19.4 21 20.0 -6.5 280 3 324.3 324.6 291.6 329.4 1.49 17 540 5287 0.4 -19.6 21 20.0 -6.8 285 3 326.3 326.6 292.1 331.5 1.50 18 500 5900 -3.1 -22.1 21 19.0 -9.4 300 3 329.3 329.5 292.7 333.9 1.30 19 447 6778 -7.9 -30.9 14 23.0 -13.9 292 3 333.9 334.1 293.4 336.4 0.65 20 446 6795 -7.9 -29.9 15 22.0 -13.7 294 3 334.2 334.3 293.5 336.8 0.72 21 438 6935 -9.3 -22.3 34 13.0 -13.5 306 2 334.1 334.4 294.1 339.4 1.46 22 408 7479 -12.7 -34.7 14 22.0 -17.6 353 2 336.6 336.7 293.9 338.5 0.49 23 400 7630 -13.5 -30.5 22 17.0 -17.7 285 2 337.4 337.6 294.4 340.3 0.75 24 309 9530 -29.1 -36.1 51 7.0 -30.2 27 3 341.5 341.6 295.2 343.7 0.57 25 300 9740 -30.7 -43.7 27 13.0 -32.2 25 2 342.1 342.2 295.1 343.2 0.27 26 287 10054 -33.3 -48.3 21 15.0 -34.7 346 33 342.8 342.8 295.1 343.4 0.17 27 269 10506 -37.1 -44.0 49 6.9 -37.7 290 78 343.7 343.7 295.5 344.8 0.29 28 267 10558 -37.5 -43.5 53 6.0 -38.1 328 54 343.8 343.8 295.5 345.0 0.30 29 262 10689 -38.3 -51.3 24 13.0 -39.2 51 3 344.5 344.5 295.5 345.0 0.13 30 256 10848 -39.5 -52.5 24 13.0 -40.4 63 2 345.0 345.0 295.6 345.5 0.12 31 253 10929 -40.7 -49.7 37 9.0 -41.3 69 1 344.4 344.4 295.5 345.0 0.16 32 250 11010 -40.7 -46.7 52 6.0 -41.2 75 1 345.6 345.6 295.8 346.5 0.23 33 247 11092 -41.3 -46.1 60 4.8 -41.7 85 1 345.9 345.9 295.9 346.9 0.25 34 221 11843 -45.9 -55.9 31 10.0 -46.4 173 5 350.0 350.0 296.7 350.3 0.09 35 220 11873 -46.5 -57.5 28 11.0 -47.0 176 5 349.5 349.5 296.6 349.8 0.07 36 201 12468 -51.5 -57.5 49 6.0 -51.7 206 7 350.7 350.7 296.8 351.1 0.08 37 200 12500 -51.9 -57.9 48 6.0 -52.1 205 7 350.6 350.6 296.8 350.9 0.08 38 150 14290 -66.7 -71.6 50 4.9 -66.7 35 5 355.2 355.2 297.7 355.3 0.02 39 146 14454 -68.1 -73.0 49 4.9 -68.1 39 6 355.5 355.5 297.8 355.6 0.01 40 107 16267 -81.3 -84.4 59 3.1 -81.3 73 15 363.5 363.5 299.4 363.6 0.00 41 106 16320 -81.5 -84.9 56 3.4 -81.5 73 15 364.1 364.1 299.5 364.2 0.00 42 103 16482 -79.5 -83.0 56 3.5 -79.5 74 16 371.0 371.0 300.7 371.0 0.00 43 100 16650 -80.1 -84.6 47 4.5 -80.1 65 14 373.0 373.0 301.1 373.0 0.00 44 90 17242 -82.9 -85.4 65 2.5 -82.9 345 4 378.8 378.8 302.1 378.8 0.00 45 88 17368 -82.9 -85.0 70 2.1 -82.9 3 6 381.2 381.2 302.5 381.3 0.00 46 83 17694 -83.3 -86.6 56 3.3 -83.3 50 11 386.9 386.9 303.3 386.9 0.00 47 70 18650 -80.1 -84.8 45 4.7 -80.1 110 6 413.0 413.0 306.9 413.0 0.00 48 67 18899 -77.7 -82.7 44 5.0 -77.7 127 7 423.4 423.4 308.1 423.5 0.01 49 64 19160 -78.9 -84.9 37 6.0 -78.9 144 7 426.4 426.4 308.4 426.4 0.00 50 58 19734 -68.9 -79.9 19 11.0 -69.0 181 9 461.1 461.1 311.9 461.2 0.01 51 51 20501 -69.5 -80.5 19 11.0 -69.6 313 5 477.0 477.0 313.2 477.1 0.01 52 50 20620 -65.9 -78.9 15 13.0 -66.1 335 4 488.2 488.2 314.1 488.3 0.02 53 49 20743 -65.7 -78.7 15 13.0 -66.0 356 4 491.5 491.5 314.4 491.6 0.02 54 43 21544 -61.7 -76.7 12 15.0 -62.2 100 5 520.0 520.0 316.3 520.2 0.03 55 37 22471 -63.3 -78.3 11 15.0 -63.8 121 3 538.8 538.8 317.5 538.9 0.02 56 34 22997 -57.9 -74.9 10 17.0 -58.9 123 4 566.2 566.2 319.0 566.5 0.04 57 31 23582 -56.1 -74.1 9 18.0 -57.3 95 13 586.2 586.2 320.0 586.6 0.05 58 30 23790 -56.7 -74.7 9 18.0 -57.9 85 16 590.1 590.1 320.2 590.4 0.05 59 26 24698 -56.3 -74.3 9 18.0 -57.8 85 22 615.9 615.9 321.3 616.3 0.06 TRP 90 17242 -82.9 -85.4 65 2.5 -82.9 345 4 378.8 378.8 302.1 378.8 0.00 WND 269 10506 -37.1 -44.0 49 6.9 -37.7 290 78 343.7 343.7 295.5 344.8 0.29 Sounding variables and indices 1000-500 mb thick: 5811.00 m Freezing level: 535.43 mb = 5357.21 m = 17575.93 ft Wetbulb zero: 642.81 mb = 3876.32 m = 12717.44 ft Precipitable water: 1.48 inches Sfc-500 mean rel hum: 42.16 % Est. max temperature: 34.26 C = 93.67 F Sfc-Lift cond lev (LCL): 950.47 mb = 540.04 m = 1771.76 ft T: 28.44 C 700-500 lapse rate: 5.17 C/km ThetaE index: 15.69 C Layer 987.0- 971.0 mb Conv cond level (CCL): 735.93 mb = 2748.54 m = 9017.42 ft Mean mixing ratio: 13.37 g/kg Conv temperature: 38.73 C = 101.72 F Cap Strength: 3.40 C Lifted Index: 1.27 C Risk: Showers probable Lifted Index @300 mb: -0.19 C Lifted Index @700 mb: 1.49 C Showalter Index: 2.27 C Risk: Showers probable Total Totals Index: 40.80 C Risk: None Vertical Totals Index: 23.90 C Cross Totals Index: 16.90 C K Index: 23.70 Risk: 20-40 % chance of thunderstorms Sweat Index: 184.60 Risk: None Energy Index: -1.79 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 38.98 J/kg Max Up Vert Vel: 8.83 m/s Conv Inhibition (B-): 208.50 J/kg Cap Strength: 3.40 C Lift Cond Lev (LCL): 811.17 mb = 1921.19 m = 6303.04 ft Lev Free Conv (LFC): 626.17 mb = 4091.46 m = 13423.27 ft Equ Level (EL): 576.17 mb = 4766.40 m = 15637.62 ft B at Equ Level: 28.16 J/kg Max Parcel Lev (MPL): 516.17 mb = 5646.63 m = 18525.46 ft Wind level data Storm motion: 233 at 3 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 ---------------------------------------------------------- 0 988 196 240 2 1.7 1.0 | 41 1 -0.8 -0.9 1 976 305 295 5 4.5 -2.1 | 333 4 2.0 -4.0 2 943 610 200 9 3.1 8.5 | 185 7 0.6 6.6 3 925 781 200 9 3.1 8.5 | 185 7 0.6 6.6 4 911 914 200 8 2.7 7.5 | 182 6 0.2 5.6 5 880 1219 190 8 1.4 7.9 | 169 6 -1.1 6.0 6 850 1523 180 8 0.0 8.0 | 158 7 -2.5 6.1 7 820 1829 170 2 -0.3 2.0 | 92 3 -2.9 0.1 8 791 2134 150 4 -2.0 3.5 | 109 5 -4.5 1.6 9 763 2438 140 3 -1.9 2.3 | 95 4 -4.4 0.4 10 736 2743 165 7 -1.8 6.8 | 138 7 -4.3 4.9 11 700 3174 80 1 -1.0 -0.2 | 59 4 -3.5 -2.1 12 659 3658 165 2 -0.5 1.9 | 91 3 -3.0 0.0 13 612 4267 5 4 -0.3 -4.0 | 26 7 -2.9 -5.9 14 567 4877 275 3 3.0 -0.3 | 347 2 0.5 -2.1 15 500 5900 300 3 2.6 -1.5 | 358 3 0.1 -3.4 16 488 6096 235 3 2.5 1.7 | 17 0 -0.0 -0.2 17 401 7620 5 2 -0.2 -2.0 | 35 5 -2.7 -3.9 18 400 7630 285 2 1.9 -0.5 | 13 2 -0.6 -2.4 19 325 9144 30 6 -3.0 -5.2 | 38 9 -5.5 -7.1 20 300 9740 25 2 -0.8 -1.8 | 42 5 -3.4 -3.7 21 269 10506 290 78 73.3 -26.7 | 292 76 70.8 -28.6 22 263 10668 50 3 -2.3 -1.9 | 52 6 -4.8 -3.8 23 250 11010 75 1 -1.0 -0.3 | 58 4 -3.5 -2.1 24 209 12192 215 7 4.0 5.7 | 201 4 1.5 3.8 25 200 12500 205 7 3.0 6.3 | 186 4 0.5 4.5 26 164 13716 320 2 1.3 -1.5 | 20 4 -1.2 -3.4 27 150 14290 35 5 -2.9 -4.1 | 42 8 -5.4 -6.0 28 127 15240 60 9 -7.8 -4.5 | 58 12 -10.3 -6.4 29 103 16459 75 16 -15.5 -4.1 | 71 19 -18.0 -6.0 30 100 16650 65 14 -12.7 -5.9 | 63 17 -15.2 -7.8 31 90 17242 345 4 1.0 -3.9 | 14 6 -1.5 -5.7 32 75 18288 135 20 -14.1 14.1 | 126 21 -16.6 12.3 33 70 18650 110 6 -5.6 2.1 | 91 8 -8.1 0.2 34 57 19812 185 9 0.8 9.0 | 166 7 -1.7 7.1 35 50 20620 335 4 1.7 -3.6 | 8 6 -0.8 -5.5 36 45 21336 95 6 -6.0 0.5 | 81 9 -8.5 -1.4 37 35 22860 130 2 -1.5 1.3 | 82 4 -4.0 -0.6 38 30 23790 85 16 -15.9 -1.4 | 80 19 -18.4 -3.3 39 26 24384 85 22 -21.9 -1.9 | 81 25 -24.4 -3.8 Wind Parameters Mean winds (0-6000m): 203.1 at 4.2 knts Storm direction: 233.1 at 3.1 knts Shear (0-3000m) pos: 0.5 neg: 0.8 tot: 1.3 10-3/s Storm rel Dir Shear (0-3000m): 19.4 deg Storm rel helicity (0-3000m) pos: 5.2 neg: -35.3 tot: -30.2 m^2/s^2 ave: -10.1 10^-3 m/s^2 rel: -0.66 Storm rel vorticity (0-3000m) horiz: 6.8 stream: -4.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 27.85 Bulk Shear: 1.40 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 ------------------------------------------------------------------------------- 500 227 7 222 3| 0.0 7.8 7.8| 0.0 -13.9 -13.9 -27.9 -0.90| 17.0-15.3 1000 208 7 192 5| 0.0 3.5 3.5| 0.0 -16.3 -16.3 -16.3 -0.88| 9.6 -8.4 1500 199 7 179 5| 0.0 1.4 1.4| 0.0 -21.7 -21.7 -14.4 -0.85| 8.1 -6.9 2000 194 6 167 4| 0.0 1.1 1.1| 0.6 -23.6 -23.0 -11.5 -0.78| 7.1 -5.6 2500 188 6 156 4| 0.6 0.9 1.5| 5.2 -24.5 -19.4 -7.7 -0.60| 6.6 -3.9 3000 184 6 150 4| 0.5 0.8 1.3| 5.2 -35.3 -30.2 -10.1 -0.66| 6.8 -4.5 4000 180 5 138 4| 0.6 1.3 1.9| 7.2 -43.8 -36.6 -9.2 -0.61| 6.3 -3.8 5000 190 4 145 3| 0.5 0.7 1.2| 7.2 -50.2 -43.0 -8.6 -0.61| 5.8 -3.5 6000 203 4 156 2| 0.4 0.3 0.7| 7.6 -50.6 -43.0 -7.2 -0.56| 5.2 -2.9 Wrote GIF file: /home/apache/climate/data/raob//VT381/skewt/VT381.skewt.20250422.00.gif