UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041812.upa.cvt Date: 1200Z 18 APR 25 Searching for VT381... Searching the city database file for: VT381 ... Date:1200Z 18 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 58 SFC 984 199 24.0 13.0 50 11.0 17.0 0 0 298.5 300.3 290.7 326.6 9.60 2 980 235 29.0 20.0 58 9.0 22.6 353 2 303.9 306.7 296.4 349.1 15.19 3 977 263 30.0 19.0 52 11.0 22.2 348 3 305.2 307.8 296.1 347.9 14.30 4 947 541 27.6 17.6 54 10.0 20.6 309 8 305.5 308.0 295.7 345.8 13.49 5 925 749 26.8 16.8 54 10.0 19.9 310 9 306.7 309.2 295.8 346.2 13.12 6 886 1129 25.6 13.6 47 12.0 17.5 233 13 309.3 311.4 295.1 343.1 11.12 7 850 1492 22.2 14.2 60 8.0 16.8 230 14 309.4 311.7 295.8 346.1 12.07 8 732 2772 13.2 6.2 62 7.0 8.9 191 8 313.1 314.6 293.9 338.4 8.15 9 700 3147 11.0 5.0 66 6.0 7.4 200 9 314.7 316.2 294.1 339.2 7.84 10 533 5372 -2.3 -6.0 76 3.7 -4.1 218 13 324.3 325.2 294.1 339.4 4.59 11 530 5417 -2.7 -6.8 73 4.1 -4.7 217 14 324.3 325.2 294.0 338.6 4.34 12 507 5770 -2.9 -11.9 50 9.0 -6.8 216 16 328.2 328.8 294.0 338.5 3.03 13 500 5880 -3.7 -11.7 54 8.0 -7.1 215 17 328.5 329.2 294.1 339.2 3.12 14 478 6232 -6.3 -11.3 68 5.0 -8.5 220 16 329.6 330.2 294.6 341.1 3.37 15 469 6380 -6.9 -16.9 45 10.0 -10.6 220 17 330.6 331.1 293.9 338.2 2.17 16 454 6632 -8.9 -13.6 69 4.7 -10.8 220 17 331.2 331.8 294.7 341.4 2.95 17 440 6874 -10.5 -12.5 85 2.0 -11.3 220 18 332.2 332.8 295.2 343.6 3.33 18 400 7600 -14.1 -21.1 55 7.0 -16.4 220 19 336.7 337.0 295.0 343.0 1.78 19 351 8582 -20.3 -31.3 37 11.0 -22.8 224 18 341.1 341.3 295.3 344.1 0.80 20 328 9082 -23.7 -29.7 58 6.0 -25.1 229 17 343.1 343.3 295.9 346.9 0.99 21 322 9217 -23.9 -34.9 36 11.0 -26.0 231 17 344.7 344.8 296.0 347.0 0.61 22 320 9262 -24.5 -37.5 29 13.0 -26.8 231 17 344.4 344.5 295.8 346.3 0.47 23 315 9377 -25.3 -33.3 47 8.0 -26.9 232 17 344.9 345.0 296.1 347.7 0.73 24 300 9730 -28.3 -38.3 38 10.0 -29.9 235 18 345.5 345.6 296.0 347.3 0.47 25 255 10874 -37.5 -50.5 25 13.0 -38.5 252 20 348.3 348.4 296.4 348.9 0.15 26 250 11010 -38.7 -50.7 27 12.0 -39.6 250 21 348.5 348.6 296.4 349.1 0.15 27 235 11431 -42.3 -50.3 41 8.0 -42.8 247 21 349.3 349.3 296.6 350.0 0.16 28 218 11934 -46.3 -61.3 17 15.0 -46.9 242 22 350.7 350.7 296.8 350.9 0.05 29 200 12500 -50.9 -62.9 23 12.0 -51.2 240 23 352.2 352.2 297.1 352.3 0.04 30 180 13175 -56.9 -61.9 53 5.0 -57.0 235 19 353.1 353.2 297.4 353.4 0.05 31 155 14101 -65.3 -71.3 43 6.0 -65.4 240 12 354.3 354.3 297.5 354.3 0.02 32 150 14300 -65.9 -71.9 43 6.0 -66.0 245 11 356.6 356.6 298.0 356.6 0.02 33 114 15919 -77.3 -83.3 38 6.0 -77.3 183 8 364.5 364.5 299.5 364.5 0.00 34 102 16549 -81.9 -85.3 56 3.4 -81.9 134 9 367.4 367.4 300.1 367.4 0.00 35 100 16660 -81.9 -85.5 54 3.6 -81.9 140 7 369.5 369.5 300.5 369.5 0.00 36 90 17252 -83.1 -86.4 56 3.3 -83.1 68 3 378.4 378.4 302.0 378.4 0.00 37 89 17314 -83.3 -87.0 52 3.7 -83.3 60 3 379.2 379.2 302.1 379.2 0.00 38 70 18660 -82.1 -86.5 47 4.4 -82.1 20 9 408.7 408.7 306.3 408.8 0.00 39 69 18740 -82.3 -86.9 45 4.6 -82.3 28 9 410.0 410.0 306.5 410.0 0.00 40 57 19839 -71.5 -81.5 21 10.0 -71.6 133 5 457.5 457.5 311.5 457.6 0.01 41 52 20384 -68.7 -80.7 16 12.0 -68.9 173 9 476.2 476.2 313.1 476.3 0.01 42 50 20620 -67.5 -80.5 14 13.0 -67.7 190 10 484.4 484.4 313.8 484.5 0.01 43 48 20866 -66.7 -79.7 14 13.0 -66.9 251 6 492.0 492.0 314.4 492.1 0.01 44 43 21541 -59.9 -76.9 9 17.0 -60.5 11 1 524.5 524.5 316.6 524.6 0.03 45 37 22486 -56.7 -75.7 7 19.0 -57.8 57 8 555.7 555.7 318.4 556.0 0.04 46 30 23810 -58.3 -78.3 6 20.0 -59.3 75 18 585.7 585.7 319.9 585.9 0.03 47 27 24472 -59.3 -79.3 6 20.0 -60.3 79 23 600.8 600.8 320.6 601.0 0.03 48 27 24472 -57.1 -78.1 5 21.0 -58.5 79 23 607.0 607.0 320.9 607.2 0.03 TRP 89 17314 -83.3 -87.0 52 3.7 -83.3 60 3 379.2 379.2 302.1 379.2 0.00 WND Sounding variables and indices 1000-500 mb thick: 5822.00 m Freezing level: 561.88 mb = 4987.33 m = 16362.42 ft Wetbulb zero: 592.36 mb = 4510.14 m = 14796.88 ft Precipitable water: 1.86 inches Sfc-500 mean rel hum: 63.62 % Est. max temperature: 35.31 C = 95.55 F Sfc-Lift cond lev (LCL): 836.94 mb = 1624.58 m = 5329.91 ft T: 21.27 C 700-500 lapse rate: 5.38 C/km ThetaE index: 7.71 C Layer 732.0- 700.0 mb Conv cond level (CCL): 727.50 mb = 2823.52 m = 9263.41 ft Mean mixing ratio: 12.96 g/kg Conv temperature: 38.70 C = 101.66 F Cap Strength: 4.18 C Lifted Index: 0.91 C Risk: Showers probable Lifted Index @300 mb: 2.62 C Lifted Index @700 mb: 1.66 C Showalter Index: 0.67 C Risk: Thunderstorms probable Total Totals Index: 43.80 C Risk: None Vertical Totals Index: 25.90 C Cross Totals Index: 17.90 C K Index: 34.10 Risk: 60-80 % chance of thunderstorms Sweat Index: 215.40 Risk: None Energy Index: -1.34 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 29.11 J/kg Max Up Vert Vel: 7.63 m/s Conv Inhibition (B-): 262.52 J/kg Cap Strength: 4.18 C Lift Cond Lev (LCL): 800.08 mb = 2010.29 m = 6595.36 ft Lev Free Conv (LFC): 575.08 mb = 4751.81 m = 15589.75 ft Equ Level (EL): 515.08 mb = 5644.07 m = 18517.05 ft B at Equ Level: 26.44 J/kg Max Parcel Lev (MPL): 415.08 mb = 7317.97 m = 24008.80 ft Wind level data Storm motion: 251 at 8 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 ---------------------------------------------------------- 0 984 199 0 0 -0.0 -0.0 | 71 8 -7.5 -2.5 1 972 305 340 5 1.7 -4.7 | 39 9 -5.8 -7.2 2 940 610 300 9 7.8 -4.5 | 358 7 0.3 -7.0 3 925 749 310 9 6.9 -5.8 | 4 8 -0.6 -8.3 4 908 914 250 12 11.3 4.1 | 247 4 3.8 1.6 5 877 1219 225 13 9.2 9.2 | 194 7 1.7 6.7 6 850 1492 230 14 10.7 9.0 | 206 7 3.2 6.5 7 817 1829 230 11 8.4 7.1 | 191 5 0.9 4.5 8 788 2134 220 8 5.1 6.1 | 147 4 -2.4 3.6 9 761 2438 200 9 3.1 8.5 | 143 7 -4.4 5.9 10 734 2743 190 8 1.4 7.9 | 131 8 -6.1 5.3 11 700 3147 200 9 3.1 8.5 | 143 7 -4.4 5.9 12 657 3658 215 10 5.7 8.2 | 163 6 -1.8 5.7 13 610 4267 215 8 4.6 6.6 | 144 5 -2.9 4.0 14 566 4877 220 10 6.4 7.7 | 168 5 -1.1 5.1 15 500 5880 215 17 9.8 13.9 | 191 12 2.2 11.4 16 486 6096 220 16 10.3 12.3 | 196 10 2.8 9.7 17 400 7600 220 19 12.2 14.6 | 201 13 4.7 12.0 18 399 7620 215 20 11.5 16.4 | 196 14 4.0 13.8 19 325 9144 230 17 13.0 10.9 | 213 10 5.5 8.4 20 300 9730 235 18 14.7 10.3 | 223 11 7.2 7.8 21 262 10668 255 19 18.4 4.9 | 258 11 10.8 2.4 22 250 11010 250 21 19.7 7.2 | 249 13 12.2 4.6 23 209 12192 240 22 19.1 11.0 | 234 14 11.5 8.5 24 200 12500 240 23 19.9 11.5 | 234 15 12.4 9.0 25 165 13716 230 15 11.5 9.6 | 209 8 4.0 7.1 26 150 14300 245 11 10.0 4.6 | 229 3 2.5 2.1 27 128 15240 245 6 5.4 2.5 | 90 2 -2.1 -0.0 28 104 16459 130 10 -7.7 6.4 | 104 16 -15.2 3.9 29 100 16660 140 7 -4.5 5.4 | 103 12 -12.0 2.8 30 89 17314 60 3 -2.6 -1.5 | 68 11 -10.1 -4.0 31 75 18288 50 3 -2.3 -1.9 | 66 11 -9.8 -4.5 32 70 18660 20 9 -3.1 -8.5 | 44 15 -10.6 -11.0 33 57 19812 130 5 -3.8 3.2 | 93 11 -11.3 0.7 34 50 20620 190 10 1.7 9.8 | 142 9 -5.8 7.3 35 45 21336 0 0 -0.0 -0.0 | 71 8 -7.5 -2.5 36 35 22860 75 10 -9.7 -2.6 | 73 18 -17.2 -5.1 37 30 23810 75 18 -17.4 -4.7 | 74 26 -24.9 -7.2 38 26 24384 80 25 -24.6 -4.3 | 78 33 -32.1 -6.9 Wind Parameters Mean winds (0-6000m): 221.3 at 10.6 knts Storm direction: 251.3 at 7.9 knts Shear (0-3000m) pos: 0.3 neg: 1.6 tot: 1.9 10-3/s Storm rel Dir Shear (0-3000m): 73.6 deg Storm rel helicity (0-3000m) pos: 6.1 neg: -50.2 tot: -44.0 m^2/s^2 ave: -14.7 10^-3 m/s^2 rel: -0.69 Storm rel vorticity (0-3000m) horiz: 7.3 stream: -5.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.40 Bulk Shear: 20.85 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 ------------------------------------------------------------------------------- 500 313 6 22 8| 0.0 9.3 9.3| 0.6 -22.9 -22.3 -44.6 -0.86| 12.3-10.5 1000 275 9 337 4| 0.0 6.7 6.7| 0.6 -40.5 -39.9 -39.9 -0.88| 14.7-13.0 1500 252 10 256 2| 0.4 4.4 4.8| 2.8 -41.9 -39.0 -26.0 -0.78| 10.9 -8.6 2000 245 10 225 3| 0.3 2.4 2.6| 2.8 -46.7 -43.8 -21.9 -0.79| 9.5 -7.5 2500 237 10 195 3| 0.2 1.9 2.1| 2.8 -50.2 -47.3 -18.9 -0.76| 8.4 -6.3 3000 230 10 178 4| 0.3 1.6 1.9| 6.1 -50.2 -44.0 -14.7 -0.69| 7.3 -5.0 4000 225 10 170 4| 0.5 1.0 1.5| 9.5 -52.2 -42.7 -10.7 -0.62| 6.0 -3.7 5000 223 10 168 5| 0.5 1.1 1.6| 14.3 -52.4 -38.0 -7.6 -0.50| 5.2 -2.6 6000 221 11 174 5| 0.5 1.2 1.7| 20.9 -52.4 -31.4 -5.2 -0.40| 4.9 -2.0 Wrote GIF file: /home/apache/climate/data/raob//VT381/skewt/VT381.skewt.20250418.12.gif