UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025043012.upa.cvt Date: 1200Z 30 APR 25 Searching for VT381... Searching the city database file for: VT381 ... Date:1200Z 30 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 59 SFC 985 196 33.4 22.4 53 11.0 25.2 120 1 307.9 311.2 298.9 361.0 17.57 2 925 759 28.4 15.4 45 13.0 19.5 155 4 308.3 310.6 295.4 344.6 11.98 3 850 1502 21.4 12.4 56 9.0 15.5 150 4 308.6 310.6 294.6 341.1 10.70 4 838 1625 20.4 12.4 60 8.0 15.1 133 3 308.8 310.8 294.7 341.8 10.86 5 798 2046 18.6 5.6 42 13.0 10.8 136 3 311.2 312.6 292.6 333.4 7.16 6 729 2813 12.2 4.2 58 8.0 7.5 157 8 312.3 313.7 292.9 334.5 7.11 7 709 3046 10.6 1.6 54 9.0 5.6 162 7 313.1 314.2 292.3 332.1 6.07 8 700 3152 10.4 -0.6 46 11.0 4.5 165 6 314.0 315.0 291.9 330.5 5.23 9 680 3393 10.0 -8.0 27 18.0 1.6 181 6 316.2 316.8 290.6 326.2 3.08 10 679 3405 10.0 -8.0 27 18.0 1.6 182 6 316.3 316.9 290.6 326.3 3.08 11 657 3678 7.6 -3.4 46 11.0 2.0 200 5 316.6 317.5 292.0 331.1 4.53 12 609 4299 4.4 -15.6 22 20.0 -3.4 191 6 319.8 320.2 290.6 326.1 1.86 13 568 4863 1.4 -6.6 55 8.0 -2.4 223 8 322.8 323.6 293.4 336.3 4.11 14 549 5137 0.6 -14.4 31 15.0 -5.4 225 8 325.0 325.4 292.4 332.7 2.28 15 518 5600 -2.9 -9.9 58 7.0 -6.0 225 8 326.2 326.9 293.8 337.9 3.48 16 515 5646 -3.1 -11.1 54 8.0 -6.5 225 8 326.5 327.1 293.6 337.2 3.18 17 500 5880 -4.3 -13.3 49 9.0 -8.0 225 8 327.8 328.3 293.6 337.2 2.74 18 467 6415 -5.9 -24.9 21 19.0 -11.8 235 12 332.3 332.5 293.4 336.2 1.09 19 408 7459 -11.9 -32.9 16 21.0 -16.9 235 14 337.6 337.7 294.3 339.8 0.59 20 402 7572 -12.3 -25.3 33 13.0 -16.1 235 14 338.5 338.8 295.0 343.0 1.22 21 400 7610 -12.3 -26.3 30 14.0 -16.3 235 14 339.0 339.2 295.1 343.1 1.12 22 399 7629 -12.3 -24.3 36 12.0 -15.9 245 13 339.2 339.5 295.3 344.2 1.34 23 342 8788 -21.9 -29.9 48 8.0 -23.7 260 14 341.5 341.7 295.5 345.0 0.93 24 305 9621 -28.1 -38.1 38 10.0 -29.6 273 16 344.1 344.2 295.7 346.0 0.47 25 300 9740 -29.1 -38.1 42 9.0 -30.4 275 17 344.4 344.5 295.8 346.2 0.48 26 278 10277 -33.3 -39.3 55 6.0 -34.1 275 18 345.9 346.0 296.1 347.7 0.45 27 270 10481 -35.1 -44.1 39 9.0 -36.1 275 18 346.2 346.2 296.0 347.3 0.28 28 264 10636 -36.5 -41.4 60 4.9 -37.1 275 18 346.4 346.4 296.1 347.9 0.38 29 258 10795 -37.7 -46.7 38 9.0 -38.5 275 18 346.9 346.9 296.1 347.8 0.22 30 250 11010 -39.5 -47.5 42 8.0 -40.2 275 17 347.3 347.4 296.3 348.2 0.21 31 221 11843 -46.3 -58.3 24 12.0 -46.8 251 16 349.3 349.3 296.5 349.6 0.07 32 200 12500 -51.1 -62.1 26 11.0 -51.4 235 17 351.8 351.9 297.1 352.0 0.04 33 175 13356 -58.7 -65.7 40 7.0 -58.8 221 16 353.0 353.0 297.3 353.2 0.03 34 150 14310 -66.1 -73.1 37 7.0 -66.1 215 12 356.2 356.2 298.0 356.3 0.01 35 100 16650 -84.3 -87.6 56 3.3 -84.3 295 7 364.9 364.9 299.7 364.9 0.00 36 99 16706 -84.3 -87.5 57 3.2 -84.3 307 6 365.9 365.9 299.8 365.9 0.00 37 97 16818 -85.3 -89.0 51 3.7 -85.3 330 4 366.1 366.1 299.8 366.1 0.00 38 96 16875 -85.3 -89.3 49 4.0 -85.3 333 4 367.2 367.2 300.1 367.2 0.00 39 94 16992 -81.7 -86.3 45 4.6 -81.7 340 4 376.5 376.5 301.6 376.5 0.00 40 90 17236 -80.7 -88.7 25 8.0 -80.7 354 3 383.2 383.2 302.8 383.2 0.00 41 89 17299 -79.9 -86.9 30 7.0 -79.9 358 3 386.0 386.0 303.2 386.0 0.00 42 81 17828 -82.3 -87.1 43 4.8 -82.3 29 3 391.6 391.6 304.0 391.6 0.00 43 80 17897 -82.5 -87.5 42 5.0 -82.5 33 3 392.6 392.6 304.2 392.6 0.00 44 76 18188 -76.3 -84.3 27 8.0 -76.3 50 2 411.4 411.4 306.7 411.4 0.00 45 74 18342 -76.9 -85.9 22 9.0 -76.9 59 3 413.2 413.2 306.9 413.3 0.00 46 70 18660 -77.7 -85.7 26 8.0 -77.7 80 7 418.2 418.2 307.5 418.2 0.00 47 65 19087 -77.5 -85.5 26 8.0 -77.6 110 9 427.5 427.6 308.6 427.6 0.00 48 60 19553 -73.5 -83.5 20 10.0 -73.6 143 10 446.4 446.4 310.5 446.4 0.01 49 57 19854 -74.5 -84.5 20 10.0 -74.6 166 11 450.7 450.7 310.9 450.7 0.01 50 51 20511 -70.3 -82.3 16 12.0 -70.4 237 7 475.1 475.1 313.1 475.2 0.01 51 50 20630 -67.1 -81.1 12 14.0 -67.3 250 6 485.4 485.4 313.9 485.4 0.01 52 49 20752 -65.7 -80.7 11 15.0 -66.0 224 6 491.5 491.5 314.4 491.6 0.01 53 44 21408 -65.5 -80.5 11 15.0 -65.8 111 5 507.3 507.4 315.5 507.4 0.01 54 39 22155 -57.9 -76.9 7 19.0 -58.7 158 4 544.4 544.4 317.8 544.6 0.03 55 30 23820 -55.5 -77.5 5 22.0 -56.9 45 9 593.3 593.3 320.3 593.6 0.03 56 21 26119 -50.7 -75.7 4 25.0 -53.8 61 18 671.5 671.6 323.5 672.1 0.06 TRP 97 16818 -85.3 -89.0 51 3.7 -85.3 330 4 366.1 366.1 299.8 366.1 0.00 WND Sounding variables and indices 1000-500 mb thick: 5821.00 m Freezing level: 543.69 mb = 5216.23 m = 17113.41 ft Wetbulb zero: 639.28 mb = 3901.54 m = 12800.17 ft Precipitable water: 1.50 inches Sfc-500 mean rel hum: 45.62 % Est. max temperature: 34.46 C = 94.04 F Sfc-Lift cond lev (LCL): 840.99 mb = 1594.12 m = 5230.00 ft T: 20.65 C 700-500 lapse rate: 5.39 C/km ThetaE index: 19.98 C Layer 925.0- 838.0 mb Conv cond level (CCL): 746.52 mb = 2611.42 m = 8567.54 ft Mean mixing ratio: 13.48 g/kg Conv temperature: 37.57 C = 99.62 F Cap Strength: 2.93 C Lifted Index: -1.04 C Risk: Thunderstorms probable Lifted Index @300 mb: -0.23 C Lifted Index @700 mb: 0.07 C Showalter Index: 2.07 C Risk: Showers probable Total Totals Index: 42.40 C Risk: None Vertical Totals Index: 25.70 C Cross Totals Index: 16.70 C K Index: 27.10 Risk: 40-60 % chance of thunderstorms Sweat Index: 164.80 Risk: None Energy Index: -0.73 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 70.73 J/kg Max Up Vert Vel: 11.89 m/s Conv Inhibition (B-): 77.51 J/kg Cap Strength: 2.93 C Lift Cond Lev (LCL): 787.51 mb = 2158.03 m = 7080.06 ft Lev Free Conv (LFC): 712.51 mb = 3004.22 m = 9856.24 ft Equ Level (EL): 692.51 mb = 3241.44 m = 10634.53 ft B at Equ Level: 1.31 J/kg Max Parcel Lev (MPL): 682.51 mb = 3362.35 m = 11031.21 ft Wind level data Storm motion: 222 at 4 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 ---------------------------------------------------------- 0 985 196 120 1 -0.9 0.5 | 54 5 -3.7 -2.7 1 973 305 95 1 -1.0 0.1 | 51 5 -3.8 -3.1 2 941 610 155 4 -1.7 3.6 | 96 5 -4.5 0.5 3 925 759 155 4 -1.7 3.6 | 96 5 -4.5 0.5 4 909 914 145 3 -1.7 2.5 | 81 5 -4.5 -0.7 5 878 1219 145 5 -2.9 4.1 | 99 6 -5.7 0.9 6 850 1502 150 4 -2.0 3.5 | 94 5 -4.8 0.3 7 818 1829 105 2 -1.9 0.5 | 61 5 -4.8 -2.6 8 789 2134 150 3 -1.5 2.6 | 83 4 -4.3 -0.6 9 761 2438 150 4 -2.0 3.5 | 94 5 -4.8 0.3 10 734 2743 155 8 -3.4 7.3 | 123 7 -6.2 4.1 11 700 3152 165 6 -1.6 5.8 | 121 5 -4.4 2.6 12 658 3658 200 5 1.7 4.7 | 144 2 -1.1 1.5 13 610 4267 190 6 1.0 5.9 | 147 3 -1.8 2.7 14 566 4877 225 8 5.7 5.7 | 229 4 2.8 2.5 15 500 5880 225 8 5.7 5.7 | 229 4 2.8 2.5 16 486 6096 235 11 9.0 6.3 | 243 7 6.2 3.1 17 400 7610 235 14 11.5 8.0 | 241 10 8.6 4.9 18 399 7620 245 13 11.8 5.5 | 255 9 9.0 2.3 19 325 9144 265 14 13.9 1.2 | 280 11 11.1 -1.9 20 300 9740 275 17 16.9 -1.5 | 288 15 14.1 -4.6 21 263 10668 275 18 17.9 -1.6 | 287 16 15.1 -4.7 22 250 11010 275 17 16.9 -1.5 | 288 15 14.1 -4.6 23 209 12192 240 15 13.0 7.5 | 247 11 10.2 4.3 24 200 12500 235 17 13.9 9.8 | 239 13 11.1 6.6 25 165 13716 215 16 9.2 13.1 | 213 12 6.3 9.9 26 150 14310 215 12 6.9 9.8 | 211 8 4.1 6.7 27 128 15240 240 10 8.7 5.0 | 253 6 5.8 1.8 28 103 16459 275 12 12.0 -1.0 | 295 10 9.1 -4.2 29 100 16650 295 7 6.3 -3.0 | 330 7 3.5 -6.1 30 97 16818 330 4 2.0 -3.5 | 7 7 -0.8 -6.6 31 75 18288 55 2 -1.6 -1.1 | 46 6 -4.5 -4.3 32 70 18660 80 7 -6.9 -1.2 | 66 11 -9.7 -4.4 33 57 19812 160 11 -3.8 10.3 | 137 10 -6.6 7.2 34 50 20630 250 6 5.6 2.1 | 292 3 2.8 -1.1 35 45 21336 105 5 -4.8 1.3 | 76 8 -7.7 -1.9 36 35 22860 200 3 1.0 2.8 | 79 2 -1.8 -0.3 37 30 23820 45 9 -6.4 -6.4 | 44 13 -9.2 -9.5 38 26 24384 35 3 -1.7 -2.5 | 39 7 -4.5 -5.6 39 19 25908 75 26 -25.1 -6.7 | 71 30 -27.9 -9.9 Wind Parameters Mean winds (0-6000m): 191.8 at 5.7 knts Storm direction: 221.8 at 4.2 knts Shear (0-3000m) pos: 1.3 neg: 0.4 tot: 1.6 10-3/s Storm rel Dir Shear (0-3000m): 68.7 deg Storm rel helicity (0-3000m) pos: 15.0 neg: -6.1 tot: 8.9 m^2/s^2 ave: 3.0 10^-3 m/s^2 rel: 0.32 Storm rel vorticity (0-3000m) horiz: 3.4 stream: 1.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 27.58 Bulk Shear: 2.56 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 ------------------------------------------------------------------------------- 500 144 2 74 4| 3.3 0.0 3.3| 5.0 -0.3 4.7 9.5 0.83| 4.5 3.7 1000 147 3 83 5| 1.7 0.6 2.2| 6.9 -1.5 5.3 5.3 0.55| 3.7 2.0 1500 146 3 86 5| 1.1 0.7 1.9| 6.9 -4.7 2.2 1.5 0.16| 3.4 0.6 2000 143 3 83 5| 1.1 0.6 1.7| 9.2 -5.9 3.3 1.7 0.20| 3.3 0.7 2500 146 4 87 5| 1.7 0.4 2.2| 14.1 -5.9 8.2 3.3 0.35| 3.5 1.2 3000 150 4 94 5| 1.3 0.4 1.6| 15.0 -6.1 8.9 3.0 0.32| 3.4 1.1 4000 162 4 104 4| 0.9 0.2 1.1| 16.2 -6.1 10.1 2.5 0.32| 3.1 1.0 5000 177 5 121 4| 1.0 0.2 1.2| 20.1 -6.1 14.0 2.8 0.42| 3.0 1.3 6000 192 6 145 3| 1.1 0.1 1.3| 22.0 -6.2 15.8 2.6 0.42| 2.8 1.2 Wrote GIF file: /home/apache/climate/data/raob//VT381/skewt/VT381.skewt.20250430.12.gif