UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042300.upa.cvt Date: 0000Z 23 APR 25 Searching for VO371... Searching the city database file for: VO371 ... Date:0000Z 23 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 1003 70 24.4 24.1 98 0.3 24.2 0 0 297.3 300.8 297.3 352.9 19.17 1 1000 96 25.0 24.2 95 0.8 24.5 355 6 298.1 301.7 297.6 354.5 19.35 2 948 566 24.4 22.5 89 1.9 23.0 326 7 302.1 305.5 298.0 356.5 18.39 3 925 782 23.0 22.0 94 1.0 22.3 320 8 302.8 306.2 298.1 357.0 18.28 4 850 1516 19.6 17.3 87 2.3 18.0 350 5 306.7 309.4 296.9 351.1 14.78 5 783 2219 15.4 10.4 72 5.0 12.2 34 11 309.5 311.4 294.4 340.5 10.17 6 776 2295 16.0 4.0 45 12.0 9.0 36 13 310.9 312.1 292.0 331.3 6.58 7 761 2461 15.4 -3.6 27 19.0 5.8 40 15 312.0 312.7 290.0 324.2 3.85 8 738 2721 13.6 -1.4 35 15.0 5.7 42 10 312.8 313.7 291.0 327.5 4.68 9 730 2813 12.6 3.6 54 9.0 7.4 43 8 312.7 314.0 292.7 333.9 6.80 10 716 2975 11.4 3.4 58 8.0 6.8 44 5 313.1 314.4 292.9 334.4 6.84 11 711 3034 10.8 6.8 76 4.0 8.3 45 4 313.0 314.7 294.4 340.2 8.76 12 700 3164 9.8 7.1 83 2.7 8.2 35 4 313.3 315.1 294.7 341.5 9.08 13 681 3392 7.8 6.6 92 1.2 7.1 4 4 313.6 315.3 294.7 341.6 9.02 14 646 3826 7.2 2.6 73 4.6 4.5 300 8 317.7 319.1 294.4 340.4 7.17 15 587 4607 2.2 -1.3 78 3.5 0.3 257 7 320.7 321.8 294.3 339.8 5.94 16 580 4704 3.0 -8.0 44 11.0 -2.1 240 8 322.7 323.4 293.0 334.7 3.61 17 550 5132 0.6 -10.4 43 11.0 -4.3 166 10 324.8 325.4 293.2 335.4 3.15 18 544 5220 0.0 -7.0 59 7.0 -3.4 157 10 325.1 325.9 294.0 338.9 4.16 19 520 5580 -2.5 -10.5 54 8.0 -6.0 193 6 326.3 327.0 293.7 337.4 3.31 20 500 5890 -4.5 -8.7 72 4.2 -6.4 140 2 327.6 328.3 294.6 340.9 3.97 21 497 5938 -4.9 -8.8 74 3.9 -6.7 148 2 327.6 328.4 294.6 340.9 3.96 22 474 6310 -7.1 -17.1 45 10.0 -10.8 189 9 329.4 329.8 293.5 336.7 2.11 23 471 6360 -7.1 -19.1 38 12.0 -11.3 192 10 330.0 330.3 293.4 336.3 1.79 24 465 6460 -7.9 -14.9 57 7.0 -10.6 190 12 330.2 330.7 294.1 339.1 2.59 25 462 6511 -7.7 -20.7 34 13.0 -12.1 186 12 331.1 331.4 293.5 336.7 1.59 26 443 6837 -10.3 -15.3 67 5.0 -12.2 156 13 331.8 332.3 294.6 340.9 2.63 27 400 7620 -14.9 -19.8 66 4.9 -16.5 120 15 335.6 336.0 295.0 342.7 1.99 28 368 8242 -19.7 -25.7 59 6.0 -21.2 105 16 337.3 337.6 294.8 342.0 1.28 29 336 8908 -24.5 -26.4 84 1.9 -24.9 75 18 339.7 339.9 295.4 344.5 1.32 30 304 9626 -29.9 -31.7 84 1.8 -30.2 69 13 341.9 342.1 295.6 345.3 0.89 31 300 9720 -30.5 -33.0 79 2.5 -30.9 65 12 342.4 342.6 295.6 345.4 0.79 32 269 10492 -35.3 -45.3 35 10.0 -36.3 96 16 346.3 346.3 296.0 347.3 0.25 33 250 11000 -39.7 -54.7 19 15.0 -40.6 100 22 347.0 347.1 296.1 347.4 0.09 34 244 11165 -41.1 -57.1 16 16.0 -41.9 99 22 347.4 347.4 296.1 347.7 0.07 35 205 12320 -51.5 -62.5 26 11.0 -51.8 96 20 348.7 348.8 296.4 348.9 0.04 36 200 12480 -52.9 -62.9 29 10.0 -53.2 95 20 349.0 349.0 296.4 349.2 0.04 37 169 13550 -62.5 -66.5 58 4.0 -62.6 100 26 350.3 350.3 296.7 350.4 0.03 38 155 14081 -66.9 -70.9 57 4.0 -67.0 98 34 351.5 351.5 297.0 351.6 0.02 39 150 14280 -68.3 -72.8 52 4.5 -68.4 90 31 352.4 352.4 297.2 352.5 0.01 40 137 14821 -69.9 -80.9 19 11.0 -69.9 101 31 358.9 358.9 298.5 358.9 0.00 41 100 16640 -81.1 -88.1 30 7.0 -81.1 75 39 371.0 371.0 300.8 371.0 0.00 42 90 17238 -78.3 -88.3 18 10.0 -78.3 48 29 388.0 388.0 303.5 388.0 0.00 43 71 18589 -79.7 -88.7 21 9.0 -79.7 330 7 412.2 412.2 306.8 412.2 0.00 44 70 18670 -78.5 -88.5 18 10.0 -78.6 325 6 416.4 416.4 307.3 416.5 0.00 45 61 19462 -72.7 -87.7 9 15.0 -72.8 288 13 446.1 446.1 310.5 446.1 0.00 46 56 19961 -73.1 -89.1 7 16.0 -73.2 265 17 456.2 456.2 311.4 456.2 0.00 47 50 20630 -68.5 -89.5 3 21.0 -68.7 235 22 482.1 482.1 313.6 482.1 0.00 48 45 21259 -69.9 -90.9 3 21.0 -70.1 268 22 493.4 493.4 314.5 493.4 0.00 49 30 23740 -58.7 -92.7 0 34.0 -59.7 35 22 584.6 584.6 319.9 584.6 0.00 50 28 24177 -59.3 -93.3 0 34.0 -60.4 48 25 594.6 594.6 320.3 594.6 0.00 51 27 24407 -58.9 -92.9 0 34.0 -60.0 54 27 601.9 601.9 320.7 601.9 0.00 52 26 24649 -52.3 -88.3 1 36.0 -54.6 61 29 627.2 627.2 321.8 627.3 0.01 53 23 25448 -52.3 -88.3 1 36.0 -54.9 84 35 649.6 649.6 322.7 649.6 0.01 54 21 26046 -47.9 -84.9 1 37.0 -51.9 101 40 680.0 680.0 323.8 680.1 0.01 55 20 26370 -48.1 -85.1 1 37.0 -52.2 110 42 688.9 689.0 324.1 689.1 0.01 56 17 27444 -47.9 -84.9 1 37.0 -52.5 105 46 722.4 722.4 325.1 722.5 0.02 57 15 28278 -44.1 -82.1 1 38.0 -50.6 102 49 761.3 761.3 326.3 761.6 0.03 58 11 30358 -44.9 -82.9 1 38.0 -52.2 93 57 829.0 829.1 328.0 829.4 0.04 59 10 31000 -42.1 -80.1 1 38.0 -51.2 90 59 862.4 862.4 328.7 863.1 0.07 60 8.5 32101 -41.7 -80.7 1 39.0 -51.8 905.0 905.0 329.5 905.7 0.07 61 5.0 35774 -31.9 -72.8 1 40.9 -50.8 85 86 1098.0 1098.3 332.6 1103.5 0.41 62 4.9 35917 -31.5 -72.5 1 41.0 -50.8 1106.1 1106.4 332.8 1112.0 0.43 TRP 100 16640 -81.1 -88.1 30 7.0 -81.1 75 39 371.0 371.0 300.8 371.0 0.00 WND 5.0 35774 -31.9 -72.8 1 40.9 -50.8 85 86 1098.0 1098.3 332.6 1103.5 0.41 Sounding variables and indices 1000-500 mb thick: 5794.00 m Freezing level: 544.00 mb = 5220.01 m = 17125.80 ft Wetbulb zero: 586.11 mb = 4618.95 m = 15153.86 ft Precipitable water: 2.21 inches Sfc-500 mean rel hum: 71.38 % Est. max temperature: 33.63 C = 92.53 F Sfc-Lift cond lev (LCL): 999.10 mb = 103.97 m = 341.10 ft T: 24.99 C 700-500 lapse rate: 5.25 C/km ThetaE index: 32.85 C Layer 850.0- 738.0 mb Conv cond level (CCL): 895.12 mb = 1067.06 m = 3500.81 ft Mean mixing ratio: 18.50 g/kg Conv temperature: 31.43 C = 88.58 F Cap Strength: 1.16 C Lifted Index: -3.58 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -5.27 C Lifted Index @700 mb: -2.35 C Showalter Index: -1.94 C Risk: Thunderstorms probable Total Totals Index: 45.90 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.10 C Cross Totals Index: 21.80 C K Index: 38.70 Risk: > 80 % chance of thunderstorms Sweat Index: 219.60 Risk: None Energy Index: -2.06 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1753.82 J/kg Max Up Vert Vel: 59.23 m/s Conv Inhibition (B-): 26.24 J/kg Cap Strength: 1.16 C Lift Cond Lev (LCL): 934.38 mb = 693.41 m = 2274.94 ft Lev Free Conv (LFC): 819.38 mb = 1829.98 m = 6003.80 ft Equ Level (EL): 769.38 mb = 2367.92 m = 7768.66 ft B at Equ Level: 28.66 J/kg Max Parcel Lev (MPL): 79.38 mb = 17953.38 m = 58901.43 ft Wind level data Storm motion: 16 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 1003 70 0 0 -0.0 -0.0 | 196 5 1.5 5.2 1 1000 96 355 6 0.5 -6.0 | 291 2 2.0 -0.8 2 977 305 330 11 5.5 -9.5 | 302 8 7.0 -4.3 3 943 610 325 6 3.4 -4.9 | 267 5 5.0 0.3 4 925 782 320 8 5.1 -6.1 | 278 7 6.7 -0.9 5 850 1516 350 5 0.9 -4.9 | 263 2 2.4 0.3 6 849 1524 345 5 1.3 -4.8 | 262 3 2.8 0.4 7 819 1829 25 5 -2.1 -4.5 | 138 1 -0.6 0.7 8 762 2438 40 15 -9.6 -11.5 | 52 10 -8.1 -6.3 9 710 3048 45 4 -2.8 -2.8 | 151 3 -1.3 2.4 10 700 3164 35 4 -2.3 -3.3 | 158 2 -0.8 1.9 11 684 3353 10 3 -0.5 -3.0 | 204 2 1.0 2.2 12 659 3658 315 9 6.4 -6.4 | 278 8 7.9 -1.2 13 611 4267 255 6 5.8 1.6 | 227 10 7.3 6.8 14 588 4572 260 7 6.9 1.2 | 233 11 8.4 6.4 15 546 5182 155 10 -4.2 9.1 | 169 15 -2.7 14.3 16 506 5791 215 4 2.3 3.3 | 204 9 3.8 8.5 17 500 5890 140 2 -1.3 1.5 | 182 7 0.2 6.7 18 487 6096 175 2 -0.2 2.0 | 191 7 1.3 7.2 19 468 6401 195 12 3.1 11.6 | 195 17 4.6 16.8 20 433 7010 140 14 -9.0 10.7 | 155 18 -7.5 15.9 21 400 7620 120 15 -13.0 7.5 | 138 17 -11.5 12.7 22 400 7620 135 14 -9.9 9.9 | 151 17 -8.4 15.1 23 338 8839 75 18 -17.4 -4.7 | 92 16 -15.9 0.5 24 311 9449 75 15 -14.5 -3.9 | 96 13 -13.0 1.3 25 300 9720 65 12 -10.9 -5.1 | 91 9 -9.4 0.1 26 299 9754 55 12 -9.8 -6.9 | 79 8 -8.3 -1.7 27 274 10363 95 14 -13.9 1.2 | 117 14 -12.4 6.4 28 250 11000 100 22 -21.7 3.8 | 114 22 -20.1 9.0 29 200 12480 95 20 -19.9 1.7 | 111 20 -18.4 6.9 30 199 12497 100 21 -20.7 3.6 | 115 21 -19.2 8.8 31 164 13716 100 27 -26.6 4.7 | 112 27 -25.1 9.9 32 156 14021 100 35 -34.5 6.1 | 109 35 -33.0 11.3 33 150 14280 90 31 -31.0 0.0 | 100 30 -29.5 5.2 34 127 15240 110 31 -29.1 10.6 | 120 32 -27.6 15.8 35 115 15850 125 12 -9.8 6.9 | 145 15 -8.3 12.1 36 109 16154 80 23 -22.7 -4.0 | 93 21 -21.1 1.2 37 100 16640 75 39 -37.7 -10.1 | 82 36 -36.2 -4.9 38 98 16764 75 37 -35.7 -9.6 | 83 35 -34.2 -4.4 39 70 18670 325 6 3.4 -4.9 | 267 5 5.0 0.3 40 50 20630 235 22 18.0 12.6 | 228 26 19.5 17.8 41 30 23740 35 22 -12.6 -18.0 | 41 17 -11.1 -12.8 42 20 26370 110 42 -39.5 14.4 | 117 43 -38.0 19.6 43 10 31000 90 59 -59.0 0.0 | 95 58 -57.5 5.2 Wind Parameters Mean winds (0-6000m): 346.3 at 7.2 knts Storm direction: 16.3 at 5.4 knts Shear (0-3000m) pos: 1.2 neg: 1.1 tot: 2.3 10-3/s Storm rel Dir Shear (0-3000m): -44.3 deg Storm rel helicity (0-3000m) pos: 15.9 neg: -8.0 tot: 7.8 m^2/s^2 ave: 2.6 10^-3 m/s^2 rel: 0.19 Storm rel vorticity (0-3000m) horiz: 7.9 stream: 1.5 10^-3/s Energy-Hel index: 0.08 Bulk Rich Number: 2971.10 Bulk Shear: 0.59 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 ------------------------------------------------------------------------------- 500 333 8 293 6| 0.0 6.8 6.8| 5.6 -6.0 -0.5 -0.9 0.33| 16.9 5.6 1000 329 8 285 6| 0.4 3.4 3.8| 6.9 -6.2 0.7 0.7 0.31| 10.1 3.2 1500 331 7 282 5| 1.0 2.3 3.3| 6.9 -6.9 -0.0 -0.0 0.24| 7.7 1.8 2000 341 7 289 4| 2.2 1.7 3.9| 6.9 -7.9 -1.0 -0.5 0.05| 7.6 0.4 2500 0 8 332 3| 2.6 1.4 4.0| 9.7 -8.0 1.7 0.7 0.07| 7.6 0.5 3000 8 8 352 3| 1.2 1.1 2.3| 15.9 -8.0 7.8 2.6 0.19| 7.9 1.5 4000 359 8 324 3| 0.9 1.8 2.7| 19.1 -22.2 -3.2 -0.8 0.13| 8.0 1.0 5000 346 7 301 4| 0.7 0.9 1.6| 21.6 -69.0 -47.4 -9.5 -0.07| 8.1 -0.5 6000 346 7 299 4| 0.4 0.4 0.8| 46.9 -86.6 -39.6 -6.6 -0.03| 8.1 -0.3 Wrote GIF file: /home/apache/climate/data/raob//VO371/skewt/VO371.skewt.20250423.00.gif