UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042612.upa.cvt Date: 1200Z 26 APR 25 Searching for VT381... Searching the city database file for: VT381 ... Date:1200Z 26 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 984 204 33.2 20.2 47 13.0 23.8 210 3 307.8 310.6 297.5 354.0 15.32 2 925 756 29.8 17.8 49 12.0 21.3 305 3 309.8 312.4 297.1 352.4 14.00 3 850 1504 23.4 15.4 61 8.0 17.9 140 3 310.7 313.1 296.7 350.6 13.06 4 794 2094 18.6 11.6 64 7.0 14.0 68 2 311.6 313.7 295.5 345.1 10.87 5 714 2999 13.8 -1.2 35 15.0 5.7 104 4 316.0 316.9 292.2 331.6 4.91 6 700 3166 12.8 -0.2 41 13.0 5.6 110 4 316.7 317.7 292.7 333.8 5.39 7 659 3668 8.8 -1.2 49 10.0 3.4 110 3 317.7 318.7 293.0 334.7 5.32 8 561 4978 0.4 -17.6 24 18.0 -6.2 45 10 322.7 323.1 291.3 328.6 1.71 9 531 5416 -2.9 -17.9 30 15.0 -8.3 42 12 323.9 324.2 291.7 329.9 1.76 10 524 5521 -3.3 -12.3 50 9.0 -7.0 42 13 324.6 325.2 292.9 334.2 2.84 11 503 5843 -4.9 -28.9 13 24.0 -11.4 40 14 326.5 326.6 291.5 329.0 0.70 12 500 5890 -4.7 -27.7 15 23.0 -11.2 40 14 327.3 327.5 291.7 330.1 0.78 13 498 5922 -4.9 -27.9 15 23.0 -11.3 42 13 327.4 327.6 291.7 330.2 0.77 14 458 6575 -10.3 -33.3 13 23.0 -15.5 25 8 328.6 328.7 291.9 330.5 0.50 15 437 6936 -12.7 -26.7 30 14.0 -16.4 3 7 330.0 330.2 292.7 333.6 0.98 16 422 7203 -13.9 -18.0 71 4.1 -15.3 346 6 331.8 332.2 294.2 339.5 2.20 17 400 7610 -14.5 -22.5 51 8.0 -17.0 320 4 336.1 336.5 294.7 341.8 1.57 18 371 8174 -18.3 -39.3 14 21.0 -22.0 295 5 338.4 338.5 294.3 339.7 0.34 19 356 8479 -20.9 -37.9 20 17.0 -23.9 264 5 338.9 339.0 294.4 340.5 0.41 20 353 8542 -20.9 -27.9 53 7.0 -22.6 258 5 339.8 340.0 295.2 343.8 1.09 21 346 8689 -21.9 -41.9 15 20.0 -25.0 243 5 340.4 340.4 294.7 341.5 0.28 22 324 9168 -25.3 -33.3 47 8.0 -26.8 195 6 342.1 342.3 295.5 344.8 0.71 23 313 9417 -27.3 -49.3 11 22.0 -29.7 202 7 342.7 342.8 295.1 343.3 0.14 24 304 9626 -28.7 -50.7 10 22.0 -30.9 207 8 343.6 343.7 295.3 344.1 0.12 25 300 9720 -29.5 -50.5 11 21.0 -31.6 210 9 343.8 343.8 295.3 344.3 0.12 26 291 9937 -31.1 -43.1 30 12.0 -32.6 217 11 344.5 344.6 295.7 345.7 0.29 27 287 10036 -31.5 -52.5 11 21.0 -33.3 220 11 345.3 345.4 295.7 345.8 0.10 28 283 10135 -32.3 -45.3 26 13.0 -33.7 223 12 345.6 345.6 295.8 346.5 0.24 29 250 11000 -38.9 -52.9 21 14.0 -39.9 245 17 348.2 348.3 296.4 348.7 0.11 30 208 12234 -48.3 -64.3 14 16.0 -48.8 230 25 352.3 352.3 297.1 352.5 0.03 31 200 12490 -50.5 -64.5 18 14.0 -50.9 230 25 352.8 352.8 297.3 352.9 0.03 32 150 14300 -65.9 -73.9 32 8.0 -66.0 230 22 356.6 356.6 298.0 356.6 0.01 33 139 14760 -69.1 -75.1 41 6.0 -69.1 213 14 358.8 358.8 298.5 358.8 0.01 34 115 15873 -77.1 -82.1 45 5.0 -77.1 233 4 363.9 363.9 299.5 363.9 0.00 35 104 16448 -79.5 -84.3 45 4.8 -79.5 269 3 370.0 370.0 300.5 370.0 0.00 36 100 16670 -80.1 -84.7 46 4.6 -80.1 5 5 373.0 373.0 301.1 373.0 0.00 37 91 17199 -83.5 -87.1 53 3.6 -83.5 20 7 376.4 376.4 301.6 376.4 0.00 38 87 17448 -84.7 -88.5 51 3.8 -84.7 43 8 378.9 378.9 302.1 378.9 0.00 39 75 18278 -79.7 -86.7 30 7.0 -79.7 117 13 405.8 405.8 306.0 405.8 0.00 TRP 91 17199 -83.5 -87.1 53 3.6 -83.5 20 7 376.4 376.4 301.6 376.4 0.00 WND Sounding variables and indices 1000-500 mb thick: 5831.00 m Freezing level: 557.36 mb = 5030.99 m = 16505.67 ft Wetbulb zero: 624.35 mb = 4107.45 m = 13475.73 ft Precipitable water: 1.62 inches Sfc-500 mean rel hum: 44.18 % Est. max temperature: 36.36 C = 97.45 F Sfc-Lift cond lev (LCL): 815.98 mb = 1857.81 m = 6095.10 ft T: 20.52 C 700-500 lapse rate: 6.42 C/km ThetaE index: 22.41 C Layer 925.0- 700.0 mb Conv cond level (CCL): 720.25 mb = 2924.81 m = 9595.71 ft Mean mixing ratio: 14.27 g/kg Conv temperature: 41.01 C = 105.82 F Cap Strength: 2.57 C Lifted Index: -2.70 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -2.57 C Lifted Index @700 mb: 1.47 C Showalter Index: -1.97 C Risk: Thunderstorms probable Total Totals Index: 48.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 28.10 C Cross Totals Index: 20.10 C K Index: 30.50 Risk: 60-80 % chance of thunderstorms Sweat Index: 204.80 Risk: None Energy Index: -3.87 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 776.40 J/kg Max Up Vert Vel: 39.41 m/s Conv Inhibition (B-): 142.31 J/kg Cap Strength: 2.57 C Lift Cond Lev (LCL): 786.05 mb = 2180.13 m = 7152.57 ft Lev Free Conv (LFC): 661.05 mb = 3642.20 m = 11949.34 ft Equ Level (EL): 211.05 mb = 12135.95 m = 39815.62 ft B at Equ Level: 774.07 J/kg Max Parcel Lev (MPL): 101.05 mb = 16610.81 m = 54496.74 ft Wind level data Storm motion: 85 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 ---------------------------------------------------------- 0 984 204 210 3 1.5 2.6 | 242 6 5.6 3.0 1 973 305 285 8 7.7 -2.1 | 278 12 11.9 -1.7 2 940 610 320 2 1.3 -1.5 | 282 6 5.4 -1.1 3 925 756 305 3 2.5 -1.7 | 281 7 6.6 -1.3 4 909 914 120 2 -1.7 1.0 | 240 3 2.4 1.4 5 878 1219 120 3 -2.6 1.5 | 219 2 1.5 1.9 6 850 1504 140 3 -1.9 2.3 | 219 3 2.2 2.7 7 818 1829 110 2 -1.9 0.7 | 244 2 2.2 1.1 8 790 2134 60 2 -1.7 -1.0 | 284 2 2.4 -0.6 9 762 2438 105 1 -1.0 0.3 | 258 3 3.2 0.6 10 735 2743 95 4 -4.0 0.3 | 191 1 0.1 0.7 11 700 3166 110 4 -3.8 1.4 | 192 2 0.4 1.8 12 659 3658 110 3 -2.8 1.0 | 223 2 1.3 1.4 13 611 4267 30 4 -2.0 -3.5 | 325 4 2.1 -3.1 14 567 4877 45 10 -7.1 -7.1 | 24 7 -2.9 -6.7 15 500 5890 40 14 -9.0 -10.7 | 25 11 -4.9 -10.3 16 487 6096 55 10 -8.2 -5.7 | 37 7 -4.1 -5.3 17 400 7610 320 4 2.6 -3.1 | 292 7 6.7 -2.7 18 399 7620 350 4 0.7 -3.9 | 306 6 4.8 -3.5 19 325 9144 195 6 1.6 5.8 | 223 8 5.7 6.2 20 300 9720 210 9 4.5 7.8 | 227 12 8.6 8.2 21 262 10668 240 16 13.9 8.0 | 245 20 18.0 8.4 22 250 11000 245 17 15.4 7.2 | 249 21 19.5 7.6 23 209 12192 230 25 19.2 16.1 | 235 29 23.3 16.5 24 200 12490 230 25 19.2 16.1 | 235 29 23.3 16.5 25 165 13716 225 25 17.7 17.7 | 230 28 21.8 18.1 26 150 14300 230 22 16.9 14.1 | 235 26 21.0 14.5 27 128 15240 195 6 1.6 5.8 | 223 8 5.7 6.2 28 104 16459 270 3 3.0 -0.0 | 267 7 7.1 0.4 29 100 16670 5 5 -0.4 -5.0 | 321 6 3.7 -4.6 30 91 17199 20 7 -2.4 -6.6 | 344 6 1.7 -6.2 31 75 18288 120 13 -11.3 6.5 | 134 10 -7.1 6.9 Wind Parameters Mean winds (0-6000m): 54.6 at 5.5 knts Storm direction: 84.6 at 4.1 knts Shear (0-3000m) pos: 1.0 neg: 0.3 tot: 1.3 10-3/s Storm rel Dir Shear (0-3000m): -47.8 deg Storm rel helicity (0-3000m) pos: 19.9 neg: -5.5 tot: 14.4 m^2/s^2 ave: 4.8 10^-3 m/s^2 rel: 0.12 Storm rel vorticity (0-3000m) horiz: 5.5 stream: 0.7 10^-3/s Energy-Hel index: 0.10 Bulk Rich Number: 72.06 Bulk Shear: 10.77 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 ------------------------------------------------------------------------------- 500 289 5 277 9| 4.5 0.0 4.5| 15.8 -0.8 15.0 30.0 0.44| 15.7 6.9 1000 286 4 275 8| 2.2 0.0 2.2| 18.1 -4.0 14.1 14.1 0.17| 11.7 2.0 1500 223 3 246 7| 1.3 0.0 1.3| 18.6 -4.0 14.6 9.7 0.18| 8.5 1.5 2000 136 3 219 3| 1.0 0.5 1.5| 19.9 -4.2 15.7 7.8 0.23| 7.0 1.6 2500 111 3 228 2| 1.1 0.4 1.5| 19.9 -5.4 14.5 5.8 0.13| 6.3 0.8 3000 106 3 226 2| 1.0 0.3 1.3| 19.9 -5.5 14.4 4.8 0.12| 5.5 0.7 4000 98 3 232 1| 0.7 0.8 1.5| 20.9 -5.5 15.4 3.9 0.18| 4.8 0.9 5000 66 4 344 1| 1.2 0.7 1.9| 28.1 -5.5 22.6 4.5 0.26| 4.7 1.2 6000 55 6 8 3| 0.8 0.7 1.5| 32.6 -7.5 25.1 4.2 0.23| 4.6 1.1 Wrote GIF file: /home/apache/climate/data/raob//VT381/skewt/VT381.skewt.20250426.12.gif