UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041700.upa.cvt Date: 0000Z 17 APR 25 Searching for VO371... Searching the city database file for: VO371 ... Date:0000Z 17 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 71 26.6 24.9 90 1.7 25.3 0 0 299.6 303.3 298.4 358.7 20.16 1 1000 89 26.8 24.6 88 2.2 25.2 340 4 300.0 303.6 298.3 358.2 19.84 2 999 98 26.6 24.3 87 2.3 24.9 340 4 299.8 303.4 298.1 357.0 19.49 3 982 251 28.2 21.2 66 7.0 23.2 336 8 302.9 305.9 296.9 351.4 16.35 4 937 667 24.4 22.0 86 2.4 22.6 320 12 303.1 306.5 298.0 356.7 18.04 5 925 780 23.6 21.4 87 2.2 22.0 315 12 303.4 306.7 297.8 355.8 17.61 6 911 913 22.6 20.6 88 2.0 21.2 315 11 303.7 306.9 297.5 354.3 17.00 7 889 1125 22.2 15.2 65 7.0 17.5 318 10 305.5 307.7 294.8 342.3 12.31 8 850 1513 19.6 14.6 73 5.0 16.3 320 7 306.7 309.0 295.3 344.0 12.39 9 831 1707 18.4 15.3 82 3.1 16.3 19 4 307.4 309.9 296.1 347.4 13.27 10 774 2313 14.6 11.2 80 3.4 12.4 61 10 309.6 311.7 295.0 342.7 10.86 11 763 2434 14.4 6.4 59 8.0 9.6 51 12 310.7 312.2 293.1 335.1 7.93 12 745 2635 12.6 9.2 80 3.4 10.4 50 10 310.8 312.7 294.6 341.1 9.86 13 726 2852 12.2 4.2 58 8.0 7.5 60 8 312.7 314.1 293.0 334.9 7.14 14 700 3157 9.6 4.6 71 5.0 6.6 50 7 313.1 314.6 293.5 336.8 7.62 15 691 3264 8.8 5.9 82 2.9 7.1 39 7 313.4 315.0 294.3 339.7 8.46 16 643 3855 4.4 1.8 83 2.6 2.9 14 9 314.9 316.2 293.4 336.3 6.80 17 616 4203 3.0 -6.0 52 9.0 -1.3 326 10 317.2 318.0 291.7 330.0 3.97 18 565 4899 0.0 -11.0 43 11.0 -4.7 273 16 321.6 322.2 292.1 331.3 2.92 19 552 5085 -1.3 -14.3 36 13.0 -6.4 262 18 322.2 322.7 291.7 329.9 2.29 20 545 5187 -1.9 -8.9 59 7.0 -5.0 255 19 322.7 323.4 292.9 334.5 3.58 21 542 5231 -1.7 -17.7 28 16.0 -7.5 256 19 323.4 323.8 291.6 329.4 1.75 22 530 5409 -2.1 -29.1 11 27.0 -9.6 258 17 325.0 325.1 291.0 327.4 0.65 23 526 5469 -2.3 -32.3 8 30.0 -10.0 259 17 325.5 325.6 290.9 327.3 0.48 24 520 5560 -3.3 -17.3 33 14.0 -8.4 260 16 325.3 325.7 292.2 331.9 1.89 25 510 5714 -4.1 -14.1 46 10.0 -8.1 263 15 326.2 326.7 293.0 334.8 2.52 26 509 5729 -3.7 -17.7 33 14.0 -8.8 263 15 326.9 327.2 292.6 333.3 1.87 27 507 5760 -3.7 -12.7 50 9.0 -7.4 263 15 327.2 327.8 293.6 336.9 2.84 28 506 5776 -3.9 -8.9 68 5.0 -6.2 264 15 327.2 327.9 294.3 340.1 3.86 29 505 5791 -3.9 -8.0 73 4.1 -5.8 264 15 327.4 328.2 294.6 341.3 4.15 30 500 5870 -3.9 -15.9 39 12.0 -8.5 265 14 328.3 328.7 293.3 335.9 2.21 31 495 5949 -3.5 -32.5 8 29.0 -11.0 263 16 329.7 329.8 292.2 331.6 0.50 32 436 6939 -9.9 -31.9 15 22.0 -15.3 221 15 333.8 333.9 293.3 336.1 0.61 33 425 7136 -10.1 -34.1 12 24.0 -15.7 222 15 336.0 336.1 293.8 337.9 0.50 34 408 7449 -12.5 -28.5 25 16.0 -16.7 224 14 336.8 337.0 294.4 340.1 0.89 35 400 7600 -13.3 -34.3 15 21.0 -18.0 225 14 337.7 337.8 294.3 339.7 0.52 36 349 8627 -19.1 -42.1 11 23.0 -22.9 219 15 343.3 343.4 295.4 344.4 0.27 37 313 9425 -26.7 -39.7 28 13.0 -28.7 205 16 343.6 343.6 295.6 345.1 0.39 38 300 9730 -28.9 -44.9 20 16.0 -30.8 200 16 344.6 344.7 295.7 345.6 0.23 39 250 11000 -40.1 -53.1 24 13.0 -40.9 210 15 346.4 346.5 296.0 346.9 0.11 40 232 11505 -44.9 -57.9 22 13.0 -45.4 214 14 346.6 346.7 296.0 346.9 0.07 41 213 12071 -50.1 -57.1 43 7.0 -50.4 219 12 347.1 347.1 296.1 347.5 0.08 42 207 12257 -51.5 -58.5 43 7.0 -51.7 214 12 347.8 347.8 296.2 348.1 0.07 43 200 12480 -52.9 -64.9 22 12.0 -53.2 190 10 349.0 349.0 296.4 349.1 0.03 44 198 12545 -53.1 -67.1 17 14.0 -53.4 186 11 349.7 349.7 296.6 349.8 0.02 45 182 13084 -56.7 -70.7 16 14.0 -56.9 152 15 352.4 352.4 297.1 352.4 0.02 46 167 13623 -61.7 -67.7 45 6.0 -61.8 146 16 352.8 352.8 297.3 352.9 0.03 47 150 14280 -67.1 -73.1 42 6.0 -67.1 140 17 354.5 354.5 297.6 354.6 0.01 48 115 15840 -77.7 -83.7 37 6.0 -77.7 90 27 362.8 362.8 299.2 362.8 0.00 49 100 16640 -77.5 -86.5 22 9.0 -77.5 90 30 378.0 378.0 301.9 378.0 0.00 50 90 17241 -77.7 -88.7 15 11.0 -77.7 55 24 389.2 389.2 303.6 389.2 0.00 51 75 18266 -83.5 -91.5 23 8.0 -83.5 339 12 397.8 397.8 304.9 397.8 0.00 52 70 18650 -81.3 -90.3 20 9.0 -81.3 310 8 410.5 410.5 306.6 410.5 0.00 53 68 18813 -81.5 -90.5 20 9.0 -81.5 304 10 413.4 413.4 306.9 413.4 0.00 54 67 18897 -78.3 -89.3 15 11.0 -78.3 302 11 422.1 422.1 308.0 422.1 0.00 55 61 19435 -77.9 -88.9 15 11.0 -77.9 283 18 434.5 434.5 309.3 434.5 0.00 56 55 20039 -70.7 -86.7 8 16.0 -70.8 263 25 464.1 464.1 312.1 464.1 0.00 57 50 20610 -67.7 -87.7 4 20.0 -67.9 245 32 484.0 484.0 313.8 484.0 0.00 58 44 21389 -61.9 -89.9 1 28.0 -62.4 242 25 516.1 516.1 316.1 516.2 0.00 59 33 23172 -60.9 -92.9 1 32.0 -61.7 237 11 563.1 563.1 318.8 563.1 0.00 60 31 23563 -57.7 -91.7 1 34.0 -58.9 236 8 581.9 581.9 319.8 581.9 0.00 61 30 23770 -58.3 -92.3 1 34.0 -59.4 235 6 585.7 585.7 319.9 585.7 0.00 62 28 24201 -59.9 -93.9 0 34.0 -60.9 209 10 592.9 592.9 320.3 592.9 0.00 63 23 25434 -57.7 -91.7 1 34.0 -59.2 137 23 633.7 633.7 322.0 633.7 0.00 64 23 25434 -55.5 -90.5 1 35.0 -57.4 137 23 640.2 640.2 322.3 640.2 0.00 65 22 25718 -53.1 -88.1 1 35.0 -55.6 120 26 655.5 655.5 322.9 655.6 0.01 66 20 26330 -54.1 -89.1 1 35.0 -56.5 85 32 670.6 670.6 323.4 670.6 0.01 67 19 26661 -55.1 -90.1 1 35.0 -57.4 86 34 677.4 677.4 323.7 677.4 0.01 68 15 28191 -51.7 -87.7 1 36.0 -55.4 91 44 736.1 736.1 325.6 736.2 0.01 69 14 28647 -46.3 -83.3 1 37.0 -52.1 93 47 769.0 769.0 326.4 769.3 0.03 70 13 29144 -44.1 -82.1 1 38.0 -51.2 94 50 793.1 793.1 327.1 793.5 0.04 71 12 29681 -46.3 -83.3 1 37.0 -52.7 96 53 803.7 803.7 327.3 804.0 0.03 72 10 30910 -41.3 -80.3 1 39.0 -50.8 100 61 865.4 865.4 328.7 866.0 0.06 73 9.0 31630 -38.3 -77.3 1 39.0 -50.0 903.4 903.5 329.5 904.6 0.11 74 8.0 32440 -38.4 -77.4 1 39.0 -50.7 100 75 933.8 933.9 330.1 935.2 0.13 75 7.6 32793 -38.5 -77.5 1 39.0 -51.0 947.3 947.4 330.3 948.8 0.13 76 6.9 33461 -35.3 987.2 TRP 115 15840 -77.7 -83.7 37 6.0 -77.7 90 27 362.8 362.8 299.2 362.8 0.00 WND 8.0 32440 -38.4 -77.4 1 39.0 -50.7 100 75 933.8 933.9 330.1 935.2 0.13 Sounding variables and indices 1000-500 mb thick: 5781.00 m Freezing level: 565.00 mb = 4899.39 m = 16073.90 ft Wetbulb zero: 624.12 mb = 4096.89 m = 13441.06 ft Precipitable water: 1.95 inches Sfc-500 mean rel hum: 64.89 % Est. max temperature: 33.64 C = 92.55 F Sfc-Lift cond lev (LCL): 978.04 mb = 286.48 m = 939.87 ft T: 27.87 C 700-500 lapse rate: 4.98 C/km ThetaE index: 14.40 C Layer 925.0- 850.0 mb Conv cond level (CCL): 854.88 mb = 1463.57 m = 4801.68 ft Mean mixing ratio: 17.37 g/kg Conv temperature: 33.55 C = 92.38 F Cap Strength: 1.85 C Lifted Index: -2.45 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -2.85 C Lifted Index @700 mb: -2.14 C Showalter Index: 1.30 C Risk: Showers probable Total Totals Index: 42.00 C Risk: None Vertical Totals Index: 23.50 C Cross Totals Index: 18.50 C K Index: 33.10 Risk: 60-80 % chance of thunderstorms Sweat Index: 203.20 Risk: None Energy Index: -1.58 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1183.24 J/kg Max Up Vert Vel: 48.65 m/s Conv Inhibition (B-): 39.82 J/kg Cap Strength: 1.82 C Lift Cond Lev (LCL): 900.70 mb = 1011.61 m = 3318.88 ft Lev Free Conv (LFC): 805.70 mb = 1970.82 m = 6465.86 ft Equ Level (EL): 145.70 mb = 14450.70 m = 47409.85 ft B at Equ Level: 1169.97 J/kg Max Parcel Lev (MPL): 85.70 mb = 17516.04 m = 57466.62 ft Wind level data Storm motion: 342 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 1002 71 0 0 -0.0 -0.0 | 162 8 -2.5 7.6 1 1000 89 340 4 1.4 -3.8 | 164 4 -1.1 3.9 2 976 305 335 10 4.2 -9.1 | 309 2 1.8 -1.4 3 925 780 315 12 8.5 -8.5 | 278 6 6.0 -0.8 4 911 914 315 11 7.8 -7.8 | 271 5 5.3 -0.1 5 879 1219 320 9 5.8 -6.9 | 257 3 3.3 0.8 6 850 1513 320 7 4.5 -5.4 | 222 3 2.0 2.3 7 849 1524 320 7 4.5 -5.4 | 222 3 2.0 2.3 8 819 1829 60 2 -1.7 -1.0 | 148 8 -4.2 6.6 9 790 2134 75 8 -7.7 -2.1 | 119 12 -10.2 5.6 10 762 2438 50 12 -9.2 -7.7 | 90 12 -11.7 -0.1 11 735 2743 50 9 -6.9 -5.8 | 101 10 -9.4 1.9 12 709 3048 80 7 -6.9 -1.2 | 125 11 -9.4 6.4 13 700 3157 50 7 -5.4 -4.5 | 112 8 -7.8 3.2 14 683 3353 30 7 -3.5 -6.1 | 105 6 -6.0 1.6 15 633 3962 10 9 -1.6 -8.9 | 73 4 -4.0 -1.2 16 610 4267 310 11 8.4 -7.1 | 264 6 6.0 0.6 17 545 5182 255 19 18.4 4.9 | 232 20 15.9 12.6 18 500 5870 265 14 13.9 1.2 | 232 15 11.5 8.9 19 486 6096 260 20 19.7 3.5 | 237 21 17.2 11.1 20 449 6706 220 16 10.3 12.3 | 201 21 7.8 19.9 21 400 7600 225 14 9.9 9.9 | 203 19 7.4 17.5 22 399 7620 200 17 5.8 16.0 | 188 24 3.3 23.6 23 383 7925 230 14 10.7 9.0 | 206 19 8.3 16.6 24 300 9730 200 16 5.5 15.0 | 188 23 3.0 22.7 25 262 10668 195 13 3.4 12.6 | 183 20 0.9 20.2 26 250 11000 210 15 7.5 13.0 | 194 21 5.0 20.6 27 209 12192 220 12 7.7 9.2 | 197 18 5.2 16.8 28 200 12480 190 10 1.7 9.8 | 178 18 -0.7 17.5 29 181 13106 150 15 -7.5 13.0 | 154 23 -10.0 20.6 30 150 14280 140 17 -10.9 13.0 | 147 25 -13.4 20.7 31 149 14326 120 18 -15.6 9.0 | 133 25 -18.1 16.6 32 127 15240 135 14 -9.9 9.9 | 145 21 -12.4 17.5 33 115 15840 90 27 -27.0 0.0 | 105 30 -29.5 7.6 34 109 16154 90 28 -28.0 0.0 | 104 31 -30.5 7.6 35 103 16459 75 31 -29.9 -8.0 | 89 32 -32.4 -0.4 36 100 16640 90 30 -30.0 0.0 | 103 33 -32.5 7.6 37 98 16764 90 29 -29.0 0.0 | 104 32 -31.5 7.6 38 70 18650 310 8 6.1 -5.1 | 236 4 3.7 2.5 39 50 20610 245 32 29.0 13.5 | 231 34 26.5 21.2 40 30 23770 235 6 4.9 3.4 | 192 11 2.4 11.1 41 20 26330 85 32 -31.9 -2.8 | 98 35 -34.3 4.9 42 10 30910 100 61 -60.1 10.6 | 106 65 -62.5 18.2 Wind Parameters Mean winds (0-6000m): 312.1 at 10.7 knts Storm direction: 342.1 at 8.0 knts Shear (0-3000m) pos: 2.7 neg: 2.2 tot: 4.9 10-3/s Storm rel Dir Shear (0-3000m): -40.4 deg Storm rel helicity (0-3000m) pos: 18.2 neg: -34.9 tot: -16.7 m^2/s^2 ave: -5.6 10^-3 m/s^2 rel: -0.17 Storm rel vorticity (0-3000m) horiz: 8.0 stream: -1.4 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 602.09 Bulk Shear: 1.97 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 ------------------------------------------------------------------------------- 500 332 9 271 2| 0.0 11.4 11.4| 1.6 -0.8 0.9 1.7 0.31| 13.2 4.1 1000 323 10 276 4| 0.0 5.1 5.1| 1.6 -3.5 -1.9 -1.9 0.12| 8.7 1.0 1500 322 9 266 3| 1.5 3.4 5.0| 1.6 -6.6 -5.0 -3.3 -0.10| 7.5 -0.8 2000 327 8 246 2| 3.6 2.6 6.2| 2.7 -15.7 -13.0 -6.5 -0.22| 8.5 -1.9 2500 347 8 42 1| 2.9 2.7 5.6| 4.6 -34.9 -30.2 -12.1 -0.32| 8.4 -2.7 3000 1 8 72 3| 2.7 2.2 4.9| 18.2 -34.9 -16.7 -5.6 -0.17| 8.0 -1.4 4000 8 8 80 4| 2.0 3.1 5.1| 18.2 -46.4 -28.2 -7.1 -0.28| 7.6 -2.1 5000 342 9 340 1| 1.6 3.1 4.7| 18.2 -72.9 -54.7 -10.9 -0.35| 8.3 -2.9 6000 312 11 265 6| 1.3 2.7 4.0| 25.2 -80.5 -55.3 -9.2 -0.30| 8.0 -2.4 Wrote GIF file: /home/apache/climate/data/raob//VO371/skewt/VO371.skewt.20250417.00.gif