UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041800.upa.cvt Date: 0000Z 18 APR 25 Searching for VI220... Searching the city database file for: VI220 ... Date:0000Z 18 APR 25 Station: VI220 WMO ident: 42220 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- SFC 991 129 22.0 19.5 86 2.5 20.3 360 2 295.9 298.5 293.7 337.8 14.54 1 981 217 22.6 17.6 73 5.0 19.2 352 8 297.4 299.7 293.1 335.1 13.01 2 972 297 23.0 16.0 65 7.0 18.3 345 13 298.6 300.7 292.6 333.1 11.84 3 963 379 23.6 16.6 65 7.0 18.9 344 11 300.0 302.2 293.4 336.4 12.43 4 952 479 23.8 15.8 61 8.0 18.4 342 9 301.2 303.3 293.4 336.3 11.94 5 895 1015 20.0 15.1 73 4.9 16.7 50 6 302.6 304.8 294.0 338.5 12.15 6 794 2035 12.2 9.2 82 3.0 10.3 143 8 304.8 306.5 292.4 332.5 9.24 7 729 2747 8.2 5.4 82 2.8 6.6 53 5 308.0 309.4 292.2 331.6 7.74 8 699 3094 7.0 2.3 72 4.7 4.4 68 4 310.4 311.6 291.8 330.4 6.48 9 596 4387 -1.5 -11.5 46 10.0 -5.5 221 5 315.0 315.5 289.9 323.7 2.66 10 579 4618 -2.3 -16.3 33 14.0 -7.3 231 7 316.7 317.0 289.6 322.8 1.85 11 550 5026 -4.3 -21.3 25 17.0 -9.6 243 6 319.0 319.2 289.8 323.3 1.27 12 530 5317 -5.9 -16.9 41 11.0 -9.8 257 9 320.5 320.8 290.9 326.9 1.92 13 525 5392 -5.9 -22.9 25 17.0 -11.1 261 10 321.3 321.6 290.4 325.3 1.15 14 507 5665 -8.3 -20.3 37 12.0 -12.1 275 10 321.6 321.9 290.8 326.8 1.50 15 484 6024 -10.9 -18.9 52 8.0 -13.5 284 12 322.7 323.1 291.4 328.8 1.77 16 422 7066 -18.1 -24.1 59 6.0 -19.7 285 9 326.4 326.7 292.0 331.0 1.29 17 375 7940 -23.7 -34.7 36 11.0 -25.6 285 10 330.2 330.3 292.3 332.2 0.54 18 373 7980 -23.5 -40.5 19 17.0 -25.9 284 10 331.0 331.1 292.3 332.1 0.30 19 332 8822 -29.7 -40.7 34 11.0 -31.1 270 12 333.7 333.8 293.0 335.0 0.33 20 318 9130 -31.1 -50.1 14 19.0 -32.8 265 13 335.9 335.9 293.4 336.4 0.12 21 282 9972 -37.5 -49.5 28 12.0 -38.4 245 31 338.5 338.5 294.1 339.1 0.15 22 267 10348 -40.3 -49.3 38 9.0 -40.9 245 35 339.7 339.7 294.4 340.3 0.16 23 241 11040 -45.5 -54.5 36 9.0 -45.9 244 48 342.0 342.0 294.9 342.4 0.10 24 225 11495 -49.1 -56.1 44 7.0 -49.4 252 53 343.3 343.3 295.2 343.6 0.09 25 220 11643 -47.9 -55.9 39 8.0 -48.3 254 55 347.3 347.3 296.1 347.7 0.09 26 215 11795 -48.1 -61.1 21 13.0 -48.6 257 57 349.3 349.3 296.5 349.5 0.05 27 205 12108 -49.7 -77.7 2 28.0 -50.2 262 61 351.6 351.6 297.0 351.6 0.00 28 200 12270 -50.3 -83.3 1 33.0 -50.8 265 63 353.1 353.1 297.3 353.1 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5643.37 m Freezing level: 614.18 mb = 4159.04 m = 13644.98 ft Wetbulb zero: 653.35 mb = 3641.86 m = 11948.22 ft Precipitable water: 1.52 inches Sfc-500 mean rel hum: 61.02 % Est. max temperature: 29.84 C = 85.71 F Sfc-Lift cond lev (LCL): 955.62 mb = 445.96 m = 1463.12 ft T: 23.73 C 700-500 lapse rate: 5.99 C/km ThetaE index: 15.72 C Layer 794.0- 550.0 mb Conv cond level (CCL): 813.53 mb = 1828.04 m = 5997.42 ft Mean mixing ratio: 12.27 g/kg Conv temperature: 30.44 C = 86.80 F Cap Strength: 2.59 C Lifted Index: -0.92 C Risk: Thunderstorms probable Lifted Index @300 mb: 1.84 C Lifted Index @700 mb: 0.40 C Showalter Index: -0.49 C Risk: Thunderstorms probable Total Totals Index: 47.35 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.72 C Cross Totals Index: 21.64 C K Index: 33.64 Risk: 60-80 % chance of thunderstorms Sweat Index: 174.47 Risk: None Energy Index: -1.64 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 186.94 J/kg Max Up Vert Vel: 19.34 m/s Conv Inhibition (B-): 87.89 J/kg Cap Strength: 2.59 C Lift Cond Lev (LCL): 857.49 mb = 1379.99 m = 4527.46 ft Lev Free Conv (LFC): 732.49 mb = 2707.13 m = 8881.56 ft Equ Level (EL): 722.49 mb = 2821.03 m = 9255.22 ft B at Equ Level: 23.35 J/kg Max Parcel Lev (MPL): 252.49 mb = 10725.13 m = 35187.01 ft Wind level data Storm motion: 278 at 5 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 ---------------------------------------------------------- 0 991 129 360 2 -0.0 -2.0 | 75 5 -4.9 -1.3 1 972 305 345 13 3.4 -12.6 | 7 12 -1.5 -11.9 2 940 610 340 6 2.1 -5.6 | 29 6 -2.8 -5.0 3 925 754 350 6 1.0 -5.9 | 36 6 -3.8 -5.2 4 908 914 60 6 -5.2 -3.0 | 77 10 -10.0 -2.3 5 876 1219 35 5 -2.9 -4.1 | 66 8 -7.7 -3.4 6 850 1483 190 5 0.9 4.9 | 145 7 -4.0 5.6 7 816 1829 180 7 0.0 7.0 | 148 9 -4.9 7.7 8 786 2134 130 8 -6.1 5.1 | 118 12 -11.0 5.8 9 758 2438 125 6 -4.9 3.4 | 113 11 -9.8 4.1 10 731 2743 50 5 -3.8 -3.2 | 74 9 -8.7 -2.5 11 705 3048 85 3 -3.0 -0.3 | 93 8 -7.8 0.4 12 700 3107 65 4 -3.6 -1.7 | 83 9 -8.5 -1.0 13 653 3658 210 7 3.5 6.1 | 169 7 -1.4 6.7 14 629 3962 225 3 2.1 2.1 | 136 4 -2.7 2.8 15 605 4267 215 4 2.3 3.3 | 147 5 -2.6 3.9 16 583 4572 230 7 5.4 4.5 | 186 5 0.5 5.2 17 561 4877 235 4 3.3 2.3 | 152 3 -1.6 3.0 18 519 5486 265 11 11.0 1.0 | 255 6 6.1 1.6 19 500 5790 280 10 9.8 -1.7 | 282 5 5.0 -1.1 20 480 6096 285 12 11.6 -3.1 | 290 7 6.7 -2.4 21 400 7470 285 8 7.7 -2.1 | 296 3 2.9 -1.4 22 392 7620 290 9 8.5 -3.1 | 304 4 3.6 -2.4 23 317 9144 265 13 13.0 1.1 | 257 8 8.1 1.8 24 300 9540 245 26 23.6 11.0 | 238 22 18.7 11.7 25 255 10668 245 38 34.4 16.1 | 241 34 29.6 16.7 26 250 10800 240 45 39.0 22.5 | 236 41 34.1 23.2 27 200 12270 265 63 62.8 5.5 | 264 58 57.9 6.2 Wind Parameters Mean winds (0-6000m): 247.8 at 6.5 knts Storm direction: 277.8 at 4.9 knts Shear (0-3000m) pos: 2.0 neg: 1.9 tot: 3.9 10-3/s Storm rel Dir Shear (0-3000m): 10.8 deg Storm rel helicity (0-3000m) pos: 54.0 neg: -58.8 tot: -4.8 m^2/s^2 ave: -1.6 10^-3 m/s^2 rel: 0.00 Storm rel vorticity (0-3000m) horiz: 10.6 stream: 0.0 10^-3/s Energy-Hel index: 0.06 Bulk Rich Number: 10.81 Bulk Shear: 17.29 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 ------------------------------------------------------------------------------- 500 344 9 18 8| 0.0 4.3 4.3| 6.3 -16.2 -9.8 -19.7 -0.33| 18.0 -5.9 1000 360 7 36 8| 3.0 2.1 5.1| 20.5 -19.3 1.2 1.2 -0.01| 14.0 -0.2 1500 5 7 43 8| 4.0 1.4 5.4| 48.0 -19.3 28.6 19.1 0.29| 14.0 4.0 2000 30 7 58 10| 3.0 1.6 4.6| 48.3 -35.3 13.0 6.5 0.13| 12.5 1.6 2500 80 7 88 11| 2.4 2.3 4.7| 48.3 -51.5 -3.2 -1.3 0.01| 11.4 0.1 3000 75 6 85 11| 2.0 1.9 3.9| 54.0 -58.8 -4.8 -1.6 0.00| 10.6 0.0 4000 109 6 104 11| 2.1 1.4 3.5| 83.8 -61.4 22.4 5.6 0.13| 10.2 1.4 5000 178 6 142 8| 1.8 1.1 3.0| 90.3 -63.1 27.2 5.4 0.17| 9.0 1.5 6000 248 7 201 3| 1.5 1.0 2.4|100.8 -63.1 37.8 6.3 0.23| 8.4 1.9 Wrote GIF file: /home/apache/climate/data/raob//VI220/skewt/VI220.skewt.20250418.00.gif