UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042211.upa.cvt Date: 1100Z 22 APR 25 Searching for VO371... Searching the city database file for: VO371 ... Date:1100Z 22 APR 25 Station: VO371 WMO ident: 43371 Latitude: 8.48 Longitude: 76.95 ------------------------------------------------------------------------------- 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 1002 72 31.0 25.0 70 6.0 26.5 290 15 304.0 307.7 299.6 364.5 20.29 1 1001 81 30.0 25.7 78 4.3 26.7 275 9 303.1 307.0 299.9 366.2 21.20 2 1000 90 29.6 25.4 78 4.2 26.4 260 2 302.8 306.6 299.6 364.7 20.84 3 959 465 25.8 24.5 93 1.3 24.9 280 13 302.6 306.3 299.4 363.7 20.58 4 925 785 24.0 20.4 80 3.6 21.4 290 13 303.8 306.9 297.3 353.0 16.53 5 850 1520 19.0 18.5 97 0.5 18.7 5 8 306.0 309.0 297.5 354.0 15.97 6 723 2893 11.4 9.2 86 2.2 10.0 66 13 312.2 314.1 295.1 343.5 10.16 7 704 3116 11.8 2.8 54 9.0 6.6 73 12 315.0 316.3 293.3 336.0 6.66 8 700 3164 11.4 2.4 54 9.0 6.3 75 12 315.1 316.4 293.2 335.6 6.51 9 646 3830 8.4 -15.6 17 24.0 -1.2 64 5 319.0 319.4 290.3 324.9 1.76 10 620 4169 7.0 -22.0 11 29.0 -3.1 136 3 321.2 321.4 290.2 324.9 1.06 11 605 4369 5.4 -19.6 14 25.0 -3.7 183 3 321.6 321.9 290.6 326.2 1.34 12 600 4437 5.0 -14.0 24 19.0 -2.8 185 3 321.9 322.3 291.5 329.2 2.16 13 596 4492 4.6 -11.4 30 16.0 -2.4 187 4 322.1 322.6 292.0 331.0 2.68 14 589 4588 4.2 -25.8 9 30.0 -5.3 190 4 322.7 322.8 290.4 325.5 0.79 15 540 5289 0.0 -23.0 16 23.0 -7.5 52 2 325.8 326.0 291.6 329.7 1.11 16 529 5453 -1.3 -24.3 15 23.0 -8.5 145 4 326.2 326.4 291.6 329.7 1.01 17 523 5544 -2.3 -24.3 17 22.0 -9.2 165 6 326.0 326.2 291.6 329.6 1.02 18 516 5651 -2.9 -10.9 54 8.0 -6.4 155 9 326.5 327.2 293.7 337.4 3.23 19 509 5759 -3.9 -7.9 74 4.0 -5.8 144 13 326.6 327.4 294.4 340.5 4.15 20 500 5900 -3.7 -8.6 69 4.9 -6.0 150 11 328.5 329.3 294.8 342.0 4.00 21 499 5916 -3.9 -8.8 69 4.9 -6.2 150 11 328.5 329.3 294.7 341.8 3.94 22 464 6485 -8.3 -10.5 84 2.2 -9.2 177 9 329.9 330.6 294.9 342.5 3.71 23 445 6808 -10.1 -14.4 71 4.3 -11.8 209 6 331.6 332.2 294.6 341.3 2.82 24 411 7415 -14.9 -16.4 88 1.5 -15.4 202 4 333.0 333.6 294.8 342.0 2.58 25 400 7620 -16.1 -16.9 94 0.8 -16.4 140 9 334.1 334.6 295.0 343.0 2.55 26 368 8247 -19.1 -21.6 81 2.5 -19.8 160 9 338.1 338.5 295.4 344.8 1.85 27 343 8768 -23.3 -23.6 97 0.3 -23.4 149 15 339.3 339.6 295.6 345.4 1.66 28 307 9574 -28.1 -31.0 76 2.9 -28.7 113 18 343.5 343.7 296.0 347.1 0.94 29 300 9740 -29.3 -32.1 77 2.8 -29.8 90 19 344.1 344.3 296.1 347.4 0.86 30 250 11010 -39.7 -42.3 76 2.6 -39.9 110 22 347.0 347.1 296.3 348.5 0.37 31 200 12500 -51.7 -54.9 68 3.2 -51.8 90 38 350.9 350.9 296.9 351.4 0.11 32 197 12597 -52.5 -56.1 65 3.6 -52.7 90 38 351.1 351.2 297.0 351.6 0.10 33 165 13711 -62.3 -64.0 80 1.7 -62.3 90 41 353.0 353.0 297.3 353.2 0.04 34 150 14290 -67.1 -69.0 77 1.9 -67.1 90 43 354.5 354.5 297.6 354.6 0.02 35 100 16640 -82.5 -84.8 67 2.3 -82.5 55 26 368.3 368.3 300.2 368.3 0.00 36 94 16985 -84.5 -86.8 67 2.3 -84.5 75 28 371.0 371.0 300.7 371.0 0.00 37 89 17292 -78.3 -82.2 53 3.9 -78.3 56 25 389.2 389.2 303.7 389.2 0.01 38 87 17422 -78.7 -80.9 70 2.2 -78.7 47 24 390.9 390.9 303.9 391.0 0.01 39 80 17904 -76.5 -79.1 66 2.6 -76.5 18 19 405.0 405.0 305.9 405.0 0.01 40 72 18509 -78.5 -80.6 71 2.1 -78.5 340 14 413.1 413.1 306.9 413.1 0.01 41 70 18670 -78.5 -80.6 71 2.1 -78.5 330 12 416.4 416.4 307.3 416.5 0.01 42 64 19184 -77.5 -79.5 73 2.0 -77.5 319 10 429.4 429.5 308.8 429.5 0.01 43 50 20640 -67.5 -69.1 80 1.6 -67.5 290 4 484.4 484.4 313.8 484.8 0.07 44 46 21144 -64.7 -66.2 82 1.5 -64.8 288 5 502.9 502.9 315.2 503.6 0.11 45 43 21554 -66.1 -67.7 80 1.6 -66.2 287 5 509.2 509.2 315.7 509.8 0.10 46 38 22304 -64.7 -66.2 82 1.5 -64.8 285 7 531.1 531.2 317.1 532.0 0.14 47 36 22634 -64.1 -65.9 78 1.8 -64.2 284 7 540.9 541.0 317.6 542.0 0.15 48 36 22634 -62.5 -66.3 60 3.8 -62.7 284 7 545.1 545.1 317.9 546.0 0.14 49 32 23366 -58.9 -65.9 40 7.0 -59.5 281 8 573.4 573.4 319.4 574.6 0.17 50 31 23565 -59.7 -65.7 45 6.0 -60.2 281 9 576.5 576.5 319.6 577.7 0.18 51 30 23770 -58.1 -67.1 31 9.0 -58.9 280 9 586.2 586.3 320.0 587.4 0.15 52 27 24432 -59.5 -66.5 40 7.0 -60.2 600.3 600.3 320.7 601.6 0.18 53 25 24920 -53.3 -65.3 22 12.0 -55.0 631.4 631.5 322.0 633.3 0.24 54 22 25741 -54.3 -65.3 25 11.0 -55.9 651.9 652.1 322.9 654.1 0.27 TRP 94 16985 -84.5 -86.8 67 2.3 -84.5 75 28 371.0 371.0 300.7 371.0 0.00 WND Sounding variables and indices 1000-500 mb thick: 5810.00 m Freezing level: 540.00 mb = 5288.96 m = 17352.04 ft Wetbulb zero: 654.54 mb = 3721.45 m = 12209.32 ft Precipitable water: 2.19 inches Sfc-500 mean rel hum: 57.26 % Est. max temperature: 33.01 C = 91.43 F Sfc-Lift cond lev (LCL): 919.25 mb = 839.16 m = 2753.13 ft T: 23.63 C 700-500 lapse rate: 5.52 C/km ThetaE index: 29.08 C Layer 723.0- 605.0 mb Conv cond level (CCL): 895.12 mb = 1070.45 m = 3511.93 ft Mean mixing ratio: 18.95 g/kg Conv temperature: 31.74 C = 89.13 F Cap Strength: 0.90 C Lifted Index: -3.95 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -5.88 C Lifted Index @700 mb: -1.69 C Showalter Index: -2.14 C Risk: Severe thunderstorms possible Total Totals Index: 44.90 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 22.70 C Cross Totals Index: 22.20 C K Index: 32.20 Risk: 60-80 % chance of thunderstorms Sweat Index: 249.00 Risk: None Energy Index: -2.41 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 2300.41 J/kg Max Up Vert Vel: 67.83 m/s Conv Inhibition (B-): 7.24 J/kg Cap Strength: 0.90 C Lift Cond Lev (LCL): 914.95 mb = 879.99 m = 2887.07 ft Lev Free Conv (LFC): 879.95 mb = 1219.03 m = 3999.39 ft Equ Level (EL): 129.95 mb = 15121.77 m = 49611.50 ft B at Equ Level: 2299.79 J/kg Max Parcel Lev (MPL): 69.95 mb = 18674.38 m = 61266.90 ft Wind level data Storm motion: 76 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 1002 72 290 15 14.1 -5.1 | 280 21 20.3 -3.6 1 1000 90 260 2 2.0 0.3 | 257 8 8.2 1.9 2 976 305 275 13 13.0 -1.1 | 269 19 19.2 0.4 3 925 785 290 13 12.2 -4.4 | 279 19 18.4 -2.9 4 911 914 290 12 11.3 -4.1 | 278 18 17.5 -2.6 5 880 1219 335 7 3.0 -6.3 | 298 10 9.2 -4.8 6 850 1520 5 8 -0.7 -8.0 | 319 8 5.5 -6.4 7 850 1524 5 7 -0.6 -7.0 | 314 8 5.6 -5.4 8 791 2134 40 14 -9.0 -10.7 | 17 10 -2.8 -9.2 9 700 3164 75 12 -11.6 -3.1 | 74 6 -5.4 -1.6 10 684 3353 60 10 -8.7 -5.0 | 35 4 -2.4 -3.5 11 635 3962 65 3 -2.7 -1.3 | 266 4 3.5 0.3 12 611 4267 180 3 0.0 3.0 | 234 8 6.2 4.5 13 589 4572 190 4 0.7 3.9 | 232 9 6.9 5.5 14 567 4877 145 6 -3.4 4.9 | 203 7 2.8 6.4 15 546 5182 0 1 -0.0 -1.0 | 265 6 6.2 0.5 16 526 5486 170 4 -0.7 3.9 | 225 8 5.5 5.5 17 507 5791 140 14 -9.0 10.7 | 167 13 -2.8 12.3 18 500 5900 150 11 -5.5 9.5 | 184 11 0.7 11.1 19 487 6096 155 8 -3.4 7.3 | 198 9 2.8 8.8 20 469 6401 175 10 -0.9 10.0 | 205 13 5.4 11.5 21 450 6706 185 7 0.6 7.0 | 219 11 6.8 8.5 22 433 7010 265 4 4.0 0.3 | 260 10 10.2 1.9 23 416 7315 230 2 1.5 1.3 | 250 8 7.8 2.8 24 400 7620 140 9 -5.8 6.9 | 183 8 0.4 8.4 25 400 7620 110 3 -2.8 1.0 | 233 4 3.4 2.6 26 384 7925 165 4 -1.0 3.9 | 224 7 5.2 5.4 27 368 8230 160 9 -3.1 8.5 | 198 10 3.2 10.0 28 353 8534 155 14 -5.9 12.7 | 181 14 0.3 14.2 29 312 9449 130 17 -13.0 10.9 | 151 14 -6.8 12.5 30 300 9740 90 19 -19.0 0.0 | 97 13 -12.8 1.5 31 299 9754 95 26 -25.9 2.3 | 101 20 -19.7 3.8 32 250 11010 110 22 -20.7 7.5 | 122 17 -14.4 9.1 33 240 11278 105 25 -24.1 6.5 | 114 20 -17.9 8.0 34 229 11582 100 24 -23.6 4.2 | 108 18 -17.4 5.7 35 219 11887 95 29 -28.9 2.5 | 100 23 -22.7 4.1 36 200 12500 90 38 -38.0 0.0 | 93 32 -31.8 1.5 37 150 14290 90 43 -43.0 0.0 | 92 37 -36.8 1.5 38 109 16154 95 37 -36.9 3.2 | 99 31 -30.6 4.8 39 100 16640 55 26 -21.3 -14.9 | 48 20 -15.1 -13.4 40 98 16764 70 25 -23.5 -8.6 | 68 19 -17.3 -7.0 41 94 16985 75 28 -27.0 -7.2 | 75 22 -20.8 -5.7 42 70 18670 330 12 6.0 -10.4 | 306 15 12.2 -8.9 43 50 20640 290 4 3.8 -1.4 | 269 10 10.0 0.2 44 30 23770 280 9 8.9 -1.6 | 270 15 15.1 -0.0 Wind Parameters Mean winds (0-6000m): 46.2 at 8.6 knts Storm direction: 76.2 at 6.4 knts Shear (0-3000m) pos: 4.2 neg: 0.4 tot: 4.6 10-3/s Storm rel Dir Shear (0-3000m): 147.1 deg Storm rel helicity (0-3000m) pos: 85.8 neg: -22.8 tot: 63.0 m^2/s^2 ave: 21.0 10^-3 m/s^2 rel: 0.47 Storm rel vorticity (0-3000m) horiz: 8.6 stream: 4.0 10^-3/s Energy-Hel index: 1.01 Bulk Rich Number: 59.05 Bulk Shear: 38.96 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 ------------------------------------------------------------------------------- 500 277 10 269 17| 0.0 2.6 2.6| 18.4 -22.6 -4.1 -8.2 -0.08| 18.9 -1.5 1000 285 11 275 17| 3.5 1.3 4.8| 39.5 -22.8 16.8 16.8 0.13| 13.2 1.7 1500 298 10 282 15| 4.9 0.9 5.8| 53.3 -22.8 30.5 20.4 0.24| 11.6 2.8 2000 319 10 296 14| 5.6 0.7 6.3| 70.5 -22.8 47.7 23.9 0.38| 10.7 4.1 2500 344 11 314 13| 4.9 0.5 5.4| 79.8 -22.8 57.0 22.8 0.43| 9.5 4.1 3000 4 11 330 11| 4.2 0.4 4.6| 85.8 -22.8 63.0 21.0 0.47| 8.6 4.0 4000 21 10 342 8| 2.7 0.5 3.2| 86.6 -31.1 55.5 13.9 0.22| 8.1 1.8 5000 27 9 341 7| 1.9 0.3 2.2| 91.7 -40.8 50.9 10.2 0.18| 8.2 1.5 6000 46 9 359 4| 1.9 0.2 2.1|105.9 -69.4 36.5 6.1 0.06| 9.0 0.5 Wrote GIF file: /home/apache/climate/data/raob//VO371/skewt/VO371.skewt.20250422.11.gif