UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042100.upa.cvt Date: 0000Z 21 APR 25 Searching for VT381... Searching the city database file for: VT381 ... Date:0000Z 21 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 93 SFC 988 200 26.8 19.8 66 7.0 21.9 270 2 301.0 303.7 295.4 344.7 14.87 2 982 253 27.6 19.6 62 8.0 21.9 283 4 302.3 305.0 295.7 346.0 14.77 3 973 335 27.6 18.6 58 9.0 21.3 294 5 303.1 305.7 295.4 344.6 13.99 4 952 528 27.6 17.6 54 10.0 20.6 284 8 305.0 307.5 295.6 345.1 13.42 5 925 782 25.8 16.8 58 9.0 19.6 280 9 305.7 308.1 295.5 345.0 13.12 6 850 1522 20.6 13.6 64 7.0 15.9 215 7 307.7 309.9 295.0 342.8 11.60 7 809 1947 17.4 11.4 68 6.0 13.5 173 7 308.7 310.7 294.5 340.7 10.53 8 808 1957 17.4 11.4 68 6.0 13.5 173 7 308.8 310.8 294.5 340.9 10.54 9 760 2478 14.8 5.8 55 9.0 9.4 162 7 311.5 312.9 293.1 335.1 7.63 10 744 2658 14.6 -1.4 33 16.0 6.1 171 6 313.1 314.0 291.1 327.8 4.64 11 743 2670 14.6 -2.4 31 17.0 5.8 171 6 313.3 314.1 290.9 326.9 4.31 12 700 3171 11.0 -1.0 43 12.0 4.6 175 9 314.7 315.6 291.9 330.8 5.08 13 693 3255 10.4 -0.6 46 11.0 4.5 178 9 314.9 315.9 292.2 331.7 5.29 14 666 3585 9.2 -13.8 18 23.0 -0.3 187 9 317.2 317.5 289.9 323.7 1.97 15 651 3773 7.4 -5.6 39 13.0 1.1 190 9 317.2 317.9 291.6 329.7 3.87 16 609 4318 3.8 -8.2 41 12.0 -1.7 190 9 319.2 319.8 291.7 330.2 3.38 17 608 4331 3.8 -8.2 41 12.0 -1.7 190 9 319.3 320.0 291.8 330.4 3.39 18 552 5112 1.0 -24.0 13 25.0 -7.1 184 7 324.9 325.1 291.3 328.5 1.00 19 551 5127 0.8 -23.2 15 24.0 -7.1 183 7 324.9 325.1 291.3 328.6 1.07 20 544 5230 -0.3 -11.3 43 11.0 -5.1 178 8 324.7 325.3 293.0 334.7 2.96 21 516 5651 -2.3 -16.3 33 14.0 -7.7 157 9 327.3 327.7 292.9 334.4 2.07 22 510 5744 -3.3 -12.3 50 9.0 -7.1 153 9 327.2 327.7 293.6 337.1 2.92 23 500 5900 -4.3 -16.3 39 12.0 -8.8 145 9 327.8 328.2 293.1 335.2 2.14 24 485 6139 -5.5 -22.5 25 17.0 -11.0 170 7 329.2 329.4 292.7 333.8 1.29 25 448 6756 -10.3 -17.3 56 7.0 -12.8 168 7 330.7 331.1 293.9 338.4 2.20 26 429 7088 -12.3 -19.3 56 7.0 -14.6 167 6 332.3 332.7 294.1 339.1 1.94 27 414 7359 -13.7 -30.7 22 17.0 -17.8 166 6 333.9 334.0 293.4 336.5 0.72 28 400 7620 -15.5 -26.5 38 11.0 -18.4 165 6 334.8 335.1 294.0 338.8 1.10 29 381 7985 -18.3 -30.3 34 12.0 -21.0 199 5 335.8 336.0 294.0 338.9 0.81 30 377 8063 -19.1 -26.1 54 7.0 -20.9 206 5 335.8 336.1 294.4 340.2 1.21 31 372 8162 -19.9 -27.9 49 8.0 -21.8 216 5 336.0 336.2 294.3 339.8 1.04 32 364 8323 -19.7 -40.7 14 21.0 -23.2 231 5 338.4 338.5 294.2 339.6 0.30 33 329 9065 -24.5 -41.5 19 17.0 -27.0 301 3 341.7 341.8 295.0 342.9 0.31 34 309 9518 -27.9 -32.9 62 5.0 -28.8 316 6 343.1 343.3 295.8 346.1 0.78 35 306 9588 -27.9 -38.9 34 11.0 -29.6 318 7 344.1 344.2 295.7 345.8 0.43 36 300 9730 -28.5 -39.5 34 11.0 -30.1 320 8 345.2 345.3 295.9 346.9 0.41 37 297 9802 -29.1 -38.1 42 9.0 -30.5 319 8 345.4 345.5 296.0 347.3 0.48 38 293 9899 -29.5 -47.5 16 18.0 -31.5 318 7 346.1 346.2 295.9 346.9 0.18 39 291 9948 -29.9 -49.9 13 20.0 -31.9 318 7 346.2 346.3 295.9 346.8 0.14 40 276 10322 -33.5 -41.5 44 8.0 -34.5 314 6 346.3 346.4 296.1 347.8 0.36 41 250 11010 -38.5 -52.5 22 14.0 -39.5 320 4 348.8 348.9 296.5 349.3 0.12 42 225 11724 -44.9 -57.9 22 13.0 -45.5 341 3 349.7 349.7 296.6 350.0 0.07 43 209 12213 -48.9 -54.9 50 6.0 -49.1 353 3 350.9 350.9 296.9 351.3 0.11 44 200 12500 -51.5 -57.5 49 6.0 -51.7 320 4 351.2 351.2 297.0 351.6 0.08 45 155 14101 -65.7 -70.7 50 5.0 -65.7 331 4 353.6 353.6 297.4 353.7 0.02 46 150 14300 -67.1 -71.9 51 4.8 -67.1 340 4 354.5 354.5 297.6 354.6 0.02 47 120 15615 -76.5 -80.9 50 4.4 -76.5 47 12 360.6 360.6 298.8 360.6 0.00 48 104 16430 -80.9 -84.4 55 3.5 -80.9 40 19 367.3 367.3 300.1 367.3 0.00 49 100 16650 -81.3 -84.9 54 3.6 -81.3 60 12 370.6 370.6 300.7 370.7 0.00 50 95 16936 -83.5 -86.1 64 2.6 -83.5 100 8 371.8 371.8 300.9 371.8 0.00 51 93 17054 -83.5 -85.8 67 2.3 -83.5 103 9 374.1 374.1 301.3 374.1 0.00 52 93 17054 -83.3 -85.6 67 2.3 -83.3 103 9 374.5 374.5 301.4 374.5 0.00 53 87 17426 -80.5 -84.7 49 4.2 -80.5 111 10 387.3 387.3 303.4 387.3 0.00 54 74 18338 -80.5 -86.5 36 6.0 -80.5 128 13 405.7 405.7 306.0 405.7 0.00 55 70 18650 -81.1 -85.8 45 4.7 -81.1 115 10 410.9 410.9 306.6 410.9 0.00 56 69 18731 -80.7 -84.4 54 3.7 -80.7 114 10 413.4 413.4 306.9 413.5 0.00 57 67 18897 -80.7 -85.7 43 5.0 -80.7 111 9 416.9 416.9 307.3 416.9 0.00 58 61 19433 -74.9 -82.9 28 8.0 -74.9 101 6 441.2 441.2 310.0 441.2 0.01 59 52 20367 -71.7 -83.7 15 12.0 -71.8 116 8 469.2 469.2 312.5 469.3 0.01 60 50 20600 -68.9 -82.9 12 14.0 -69.1 125 9 481.1 481.1 313.5 481.2 0.01 61 48 20847 -63.9 -81.9 7 18.0 -64.3 103 8 498.7 498.7 314.8 498.7 0.01 62 46 21109 -62.3 -80.3 7 18.0 -62.7 79 7 508.7 508.7 315.5 508.7 0.01 63 39 22128 -62.7 -81.7 6 19.0 -63.2 73 10 532.2 532.2 317.1 532.3 0.01 64 36 22625 -59.1 -82.1 4 23.0 -59.9 81 12 553.9 553.9 318.3 554.0 0.01 65 30 23770 -58.5 -82.5 3 24.0 -59.6 110 28 585.2 585.2 319.9 585.3 0.01 66 26 24678 -54.5 -79.5 3 25.0 -56.3 120 24 621.0 621.0 321.5 621.2 0.03 67 24 25189 -55.7 -80.7 3 25.0 -57.5 631.9 631.9 322.0 632.0 0.02 TRP 95 16936 -83.5 -86.1 64 2.6 -83.5 100 8 371.8 371.8 300.9 371.8 0.00 WND Sounding variables and indices 1000-500 mb thick: 5807.00 m Freezing level: 545.91 mb = 5201.54 m = 17065.22 ft Wetbulb zero: 667.55 mb = 3565.25 m = 11696.87 ft Precipitable water: 1.51 inches Sfc-500 mean rel hum: 45.16 % Est. max temperature: 33.80 C = 92.84 F Sfc-Lift cond lev (LCL): 892.33 mb = 1096.64 m = 3597.85 ft T: 23.59 C 700-500 lapse rate: 5.61 C/km ThetaE index: 13.91 C Layer 760.0- 700.0 mb Conv cond level (CCL): 727.55 mb = 2846.51 m = 9338.83 ft Mean mixing ratio: 13.34 g/kg Conv temperature: 39.54 C = 103.16 F Cap Strength: 3.23 C Lifted Index: 0.54 C Risk: Showers probable Lifted Index @300 mb: 2.77 C Lifted Index @700 mb: 1.84 C Showalter Index: 1.36 C Risk: Showers probable Total Totals Index: 42.80 C Risk: None Vertical Totals Index: 24.90 C Cross Totals Index: 17.90 C K Index: 26.50 Risk: 40-60 % chance of thunderstorms Sweat Index: 186.20 Risk: None Energy Index: -1.43 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 29.38 J/kg Max Up Vert Vel: 7.67 m/s Conv Inhibition (B-): 306.46 J/kg Cap Strength: 3.23 C Lift Cond Lev (LCL): 822.62 mb = 1803.32 m = 5916.32 ft Lev Free Conv (LFC): 457.62 mb = 6590.74 m = 21622.91 ft Equ Level (EL): 407.62 mb = 7477.02 m = 24530.59 ft B at Equ Level: 23.81 J/kg Max Parcel Lev (MPL): 327.62 mb = 9095.52 m = 29840.58 ft Wind level data Storm motion: 219 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 ---------------------------------------------------------- 0 988 200 270 2 2.0 -0.0 | 20 5 -1.7 -4.4 1 976 305 295 5 4.5 -2.1 | 352 7 0.9 -6.6 2 943 610 280 9 8.9 -1.6 | 319 8 5.2 -6.0 3 925 782 280 9 8.9 -1.6 | 319 8 5.2 -6.0 4 911 914 265 6 6.0 0.5 | 329 5 2.3 -3.9 5 880 1219 225 7 4.9 4.9 | 249 1 1.3 0.5 6 850 1522 215 7 4.0 5.7 | 195 1 0.4 1.3 7 820 1829 175 7 -0.6 7.0 | 121 5 -4.3 2.5 8 791 2134 170 7 -1.2 6.9 | 117 5 -4.9 2.4 9 763 2438 160 7 -2.4 6.6 | 109 6 -6.1 2.1 10 736 2743 175 6 -0.5 6.0 | 110 4 -4.2 1.5 11 700 3171 175 9 -0.8 9.0 | 135 6 -4.4 4.5 12 659 3658 190 9 1.6 8.9 | 155 5 -2.1 4.4 13 612 4267 190 9 1.6 8.9 | 155 5 -2.1 4.4 14 567 4877 195 7 1.8 6.8 | 141 3 -1.9 2.3 15 500 5900 145 9 -5.2 7.4 | 108 9 -8.8 2.9 16 487 6096 170 7 -1.2 6.9 | 117 5 -4.9 2.4 17 400 7620 165 6 -1.6 5.8 | 104 5 -5.2 1.3 18 400 7620 165 6 -1.6 5.8 | 104 5 -5.2 1.3 19 325 9144 310 3 2.3 -1.9 | 12 7 -1.4 -6.4 20 300 9730 320 8 5.1 -6.1 | 352 11 1.5 -10.6 21 262 10668 310 5 3.8 -3.2 | 359 8 0.2 -7.7 22 250 11010 320 4 2.6 -3.1 | 8 8 -1.1 -7.5 23 209 12192 355 3 0.3 -3.0 | 25 8 -3.4 -7.4 24 200 12500 320 4 2.6 -3.1 | 8 8 -1.1 -7.5 25 165 13716 315 4 2.8 -2.8 | 7 7 -0.8 -7.3 26 150 14300 340 4 1.4 -3.8 | 16 9 -2.3 -8.2 27 128 15240 50 9 -6.9 -5.8 | 46 15 -10.6 -10.2 28 103 16459 40 19 -12.2 -14.6 | 40 25 -15.9 -19.0 29 100 16650 60 12 -10.4 -6.0 | 53 18 -14.1 -10.4 30 95 16936 100 8 -7.9 1.4 | 75 12 -11.5 -3.1 31 75 18288 130 14 -10.7 9.0 | 108 15 -14.4 4.6 32 70 18650 115 10 -9.1 4.2 | 89 13 -12.7 -0.2 33 57 19812 95 4 -4.0 0.3 | 62 9 -7.6 -4.1 34 50 20600 125 9 -7.4 5.2 | 94 11 -11.0 0.7 35 44 21336 60 6 -5.2 -3.0 | 50 12 -8.9 -7.4 36 35 22860 85 13 -13.0 -1.1 | 71 18 -16.6 -5.6 37 30 23770 110 28 -26.3 9.6 | 100 30 -30.0 5.1 38 26 24384 120 24 -20.8 12.0 | 107 26 -24.4 7.6 Wind Parameters Mean winds (0-6000m): 189.5 at 7.7 knts Storm direction: 219.5 at 5.8 knts Shear (0-3000m) pos: 1.3 neg: 2.3 tot: 3.6 10-3/s Storm rel Dir Shear (0-3000m): 115.9 deg Storm rel helicity (0-3000m) pos: 4.8 neg: -18.2 tot: -13.5 m^2/s^2 ave: -4.5 10^-3 m/s^2 rel: -0.44 Storm rel vorticity (0-3000m) horiz: 4.8 stream: -2.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.99 Bulk Shear: 14.75 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 ------------------------------------------------------------------------------- 500 284 7 336 7| 7.2 0.0 7.2| 0.0 -11.8 -11.8 -23.6 -0.90| 7.9 -7.1 1000 272 7 326 6| 3.6 3.7 7.4| 1.3 -13.8 -12.5 -12.5 -0.58| 8.0 -4.6 1500 253 7 309 4| 2.4 3.8 6.3| 1.3 -15.4 -14.1 -9.4 -0.63| 6.8 -4.3 2000 233 7 278 2| 1.8 3.4 5.2| 1.3 -17.4 -16.1 -8.0 -0.63| 5.9 -3.7 2500 217 7 205 1| 1.6 2.7 4.4| 1.4 -18.2 -16.8 -6.7 -0.59| 5.2 -3.0 3000 207 7 165 2| 1.3 2.3 3.6| 4.8 -18.2 -13.5 -4.5 -0.44| 4.8 -2.1 4000 199 8 156 3| 1.3 1.7 3.0| 7.3 -18.2 -10.9 -2.7 -0.35| 3.9 -1.4 5000 197 8 153 3| 1.0 1.5 2.6| 7.3 -19.9 -12.6 -2.5 -0.36| 3.5 -1.3 6000 189 8 143 4| 1.1 1.6 2.6| 9.5 -25.2 -15.7 -2.6 -0.32| 3.7 -1.2 Wrote GIF file: /home/apache/climate/data/raob//VT381/skewt/VT381.skewt.20250421.00.gif