UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041712.upa.cvt Date: 1200Z 17 APR 25 Searching for SB107... Searching the city database file for: SB107 ... Date:1200Z 17 APR 25 Station: SB107 WMO ident: 82107 Latitude: -0.12 Longitude: -66.97 ------------------------------------------------------------------------------- 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 1001 105 25.4 24.2 93 1.2 24.5 200 1 298.5 302.0 297.7 354.8 19.33 1 1000 114 25.2 24.2 94 1.0 24.5 170 1 298.4 301.9 297.7 354.7 19.35 2 996 149 24.4 24.0 98 0.4 24.1 158 2 297.9 301.4 297.4 353.7 19.19 3 925 799 23.4 19.6 79 3.8 20.7 65 15 303.2 306.1 296.6 349.8 15.71 4 919 856 23.2 19.5 80 3.7 20.6 67 15 303.6 306.5 296.7 350.3 15.71 5 850 1533 18.4 14.8 80 3.6 16.0 70 19 305.4 307.8 295.0 343.0 12.55 6 822 1820 16.2 11.8 75 4.4 13.4 77 21 306.0 308.0 293.8 338.0 10.64 7 779 2275 13.0 12.1 94 0.9 12.4 83 24 307.3 309.5 294.8 342.0 11.47 8 700 3171 9.6 2.6 62 7.0 5.6 90 27 313.1 314.4 292.7 333.8 6.61 9 690 3290 8.8 2.8 66 6.0 5.4 88 26 313.5 314.8 293.0 334.8 6.80 10 619 4185 5.4 -11.6 28 17.0 -1.9 93 25 319.5 320.0 291.1 327.9 2.54 11 609 4318 4.4 -2.6 60 7.0 0.7 95 25 319.8 320.9 293.5 336.6 5.19 12 590 4576 3.0 -3.0 65 6.0 -0.1 97 23 321.1 322.1 293.9 338.0 5.20 13 581 4701 2.6 -9.4 41 12.0 -2.8 98 22 322.1 322.7 292.4 332.8 3.23 14 508 5775 -4.3 -9.3 68 5.0 -6.5 91 17 326.3 327.1 294.0 338.8 3.72 15 500 5900 -4.7 -13.7 49 9.0 -8.3 90 16 327.3 327.8 293.4 336.4 2.65 16 482 6187 -5.7 -23.7 23 18.0 -11.3 89 17 329.5 329.8 292.7 333.7 1.17 17 463 6499 -7.9 -19.9 37 12.0 -12.0 87 19 330.6 330.9 293.4 336.6 1.70 18 426 7141 -10.7 -30.7 18 20.0 -15.7 92 19 335.0 335.1 293.7 337.6 0.70 19 402 7582 -14.1 -27.1 32 13.0 -17.6 99 16 336.2 336.4 294.3 340.0 1.03 20 400 7620 -14.3 -27.3 32 13.0 -17.8 100 16 336.4 336.6 294.4 340.2 1.02 21 350 8618 -22.1 -36.1 27 14.0 -24.6 91 21 339.0 339.1 294.6 340.9 0.50 22 316 9365 -25.5 -47.5 11 22.0 -28.2 103 20 344.3 344.3 295.5 345.0 0.17 23 300 9740 -29.1 -46.1 18 17.0 -31.0 95 17 344.4 344.4 295.6 345.2 0.20 24 259 10776 -37.3 -64.3 4 27.0 -38.6 108 22 347.1 347.1 296.0 347.2 0.03 25 250 11020 -39.5 -59.5 10 20.0 -40.5 120 20 347.3 347.4 296.1 347.6 0.05 26 217 11968 -47.5 -65.5 11 18.0 -48.0 119 12 349.3 349.3 296.5 349.4 0.03 27 204 12372 -50.5 -56.5 49 6.0 -50.7 106 11 350.8 350.8 296.9 351.2 0.09 28 200 12500 -51.7 -57.7 49 6.0 -51.9 105 8 350.9 350.9 296.9 351.2 0.08 29 194 12696 -53.7 -58.2 58 4.5 -53.8 125 12 350.8 350.8 296.8 351.1 0.08 30 185 13000 -55.5 -59.7 59 4.2 -55.6 157 19 352.7 352.7 297.3 352.9 0.07 31 159 13946 -63.9 -66.4 71 2.5 -63.9 184 17 354.1 354.1 297.5 354.2 0.03 32 150 14300 -66.7 -70.0 63 3.3 -66.7 175 6 355.2 355.2 297.7 355.3 0.02 33 142 14629 -69.7 -74.7 48 5.0 -69.7 182 11 355.6 355.6 297.8 355.6 0.01 34 117 15755 -79.7 -84.7 43 5.0 -79.7 209 7 357.3 357.3 298.2 357.3 0.00 35 114 15902 -80.9 -85.6 45 4.7 -80.9 212 7 357.8 357.8 298.2 357.8 0.00 36 100 16630 -86.1 -90.4 45 4.3 -86.1 175 7 361.4 361.4 299.0 361.4 0.00 37 95 16917 -88.1 -92.4 44 4.3 -88.1 130 7 362.8 362.8 299.2 362.8 0.00 38 70 18660 -77.5 -89.5 13 12.0 -77.6 260 26 418.6 418.6 307.6 418.6 0.00 39 50 20630 -68.9 -89.9 3 21.0 -69.1 285 33 481.1 481.1 313.5 481.1 0.00 TRP 95 16917 -88.1 -92.4 44 4.3 -88.1 130 7 362.8 362.8 299.2 362.8 0.00 WND Sounding variables and indices 1000-500 mb thick: 5786.00 m Freezing level: 553.49 mb = 5105.33 m = 16749.57 ft Wetbulb zero: 637.55 mb = 3941.69 m = 12931.89 ft Precipitable water: 1.96 inches Sfc-500 mean rel hum: 67.71 % Est. max temperature: 32.33 C = 90.20 F Sfc-Lift cond lev (LCL): 984.13 mb = 254.65 m = 835.45 ft T: 24.24 C 700-500 lapse rate: 5.24 C/km ThetaE index: 12.25 C Layer 850.0- 779.0 mb Conv cond level (CCL): 871.29 mb = 1318.37 m = 4325.32 ft Mean mixing ratio: 17.02 g/kg Conv temperature: 31.79 C = 89.22 F Cap Strength: 2.33 C Lifted Index: -2.26 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -1.46 C Lifted Index @700 mb: -1.38 C Showalter Index: 0.91 C Risk: Thunderstorms probable Total Totals Index: 42.60 C Risk: None Vertical Totals Index: 23.10 C Cross Totals Index: 19.50 C K Index: 30.90 Risk: 60-80 % chance of thunderstorms Sweat Index: 231.60 Risk: None Energy Index: -1.29 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 624.68 J/kg Max Up Vert Vel: 35.35 m/s Conv Inhibition (B-): 34.38 J/kg Cap Strength: 2.33 C Lift Cond Lev (LCL): 917.84 mb = 866.88 m = 2844.05 ft Lev Free Conv (LFC): 832.84 mb = 1707.54 m = 5602.09 ft Equ Level (EL): 192.84 mb = 12734.64 m = 41779.81 ft B at Equ Level: 619.47 J/kg Max Parcel Lev (MPL): 92.84 mb = 17048.57 m = 55932.96 ft Wind level data Storm motion: 116 at 15 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 1001 105 200 1 0.3 0.9 | 292 15 14.0 -5.8 1 1000 114 170 1 -0.2 1.0 | 293 15 13.5 -5.7 2 979 305 105 5 -4.8 1.3 | 301 10 8.8 -5.4 3 945 610 85 10 -10.0 -0.9 | 334 8 3.7 -7.6 4 925 799 65 15 -13.6 -6.3 | 360 13 0.1 -13.0 5 913 914 70 15 -14.1 -5.1 | 2 12 -0.4 -11.8 6 850 1533 70 19 -17.9 -6.5 | 18 14 -4.2 -13.2 7 792 2134 85 24 -23.9 -2.1 | 49 13 -10.2 -8.8 8 764 2438 80 25 -24.6 -4.3 | 45 16 -10.9 -11.0 9 710 3048 85 29 -28.9 -2.5 | 59 18 -15.2 -9.2 10 700 3171 90 27 -27.0 0.0 | 63 15 -13.3 -6.7 11 659 3658 80 24 -23.6 -4.2 | 42 15 -10.0 -10.9 12 612 4267 95 25 -24.9 2.2 | 68 12 -11.2 -4.5 13 567 4877 100 21 -20.7 3.6 | 66 8 -7.0 -3.1 14 500 5900 90 16 -16.0 0.0 | 19 7 -2.3 -6.7 15 487 6096 90 16 -16.0 0.0 | 19 7 -2.3 -6.7 16 450 6706 85 21 -20.9 -1.8 | 40 11 -7.2 -8.5 17 400 7620 100 16 -15.8 2.8 | 28 4 -2.1 -3.9 18 400 7620 110 17 -16.0 5.8 | 69 2 -2.3 -0.9 19 368 8230 100 19 -18.7 3.3 | 56 6 -5.0 -3.4 20 353 8534 90 21 -21.0 0.0 | 48 10 -7.3 -6.7 21 312 9449 105 20 -19.3 5.2 | 75 6 -5.6 -1.5 22 300 9740 95 17 -16.9 1.5 | 32 6 -3.3 -5.2 23 299 9754 95 15 -14.9 1.3 | 13 6 -1.3 -5.4 24 275 10363 95 21 -20.9 1.8 | 56 9 -7.2 -4.9 25 252 10973 115 23 -20.8 9.7 | 113 8 -7.2 3.0 26 250 11020 120 20 -17.3 10.0 | 132 5 -3.6 3.3 27 230 11582 125 15 -12.3 8.6 | 216 2 1.4 1.9 28 210 12192 115 10 -9.1 4.2 | 298 5 4.6 -2.5 29 200 12497 100 11 -10.8 1.9 | 329 6 2.8 -4.8 30 200 12500 105 8 -7.7 2.1 | 308 8 6.0 -4.6 31 182 13106 170 22 -3.8 21.7 | 213 18 9.9 15.0 32 173 13411 175 25 -2.2 24.9 | 212 22 11.5 18.2 33 165 13716 190 23 4.0 22.7 | 228 24 17.7 15.9 34 150 14300 175 6 -0.5 6.0 | 273 13 13.2 -0.7 35 149 14326 175 12 -1.0 12.0 | 247 14 12.6 5.2 36 121 15545 205 6 2.5 5.4 | 274 16 16.2 -1.3 37 103 16459 225 10 7.1 7.1 | 269 21 20.8 0.4 38 100 16630 175 7 -0.6 7.0 | 269 13 13.1 0.3 39 98 16764 175 8 -0.7 8.0 | 264 13 13.0 1.3 40 95 16917 130 7 -5.4 4.5 | 285 9 8.3 -2.2 41 88 17374 90 21 -21.0 0.0 | 48 10 -7.3 -6.7 42 83 17678 280 3 3.0 -0.5 | 293 18 16.6 -7.2 43 71 18593 265 31 30.9 2.7 | 275 45 44.6 -4.0 44 70 18660 260 26 25.6 4.5 | 273 39 39.3 -2.2 45 64 19202 240 15 13.0 7.5 | 268 27 26.7 0.8 46 61 19507 270 14 14.0 -0.0 | 284 28 27.7 -6.7 47 55 20117 300 33 28.6 -16.5 | 299 48 42.3 -23.2 48 50 20630 285 33 31.9 -8.5 | 289 48 45.6 -15.2 49 49 20726 280 28 27.6 -4.9 | 286 43 41.3 -11.6 50 46 21031 285 33 31.9 -8.5 | 289 48 45.6 -15.2 51 41 21641 250 27 25.4 9.2 | 266 39 39.1 2.5 52 36 22250 285 22 21.3 -5.7 | 290 37 34.9 -12.4 53 33 22555 275 18 17.9 -1.6 | 285 33 31.6 -8.3 Wind Parameters Mean winds (0-6000m): 86.1 at 20.3 knts Storm direction: 116.1 at 15.2 knts Shear (0-3000m) pos: 2.1 neg: 3.3 tot: 5.4 10-3/s Storm rel Dir Shear (0-3000m): 128.5 deg Storm rel helicity (0-3000m) pos: 89.1 neg: -4.2 tot: 85.0 m^2/s^2 ave: 28.3 10^-3 m/s^2 rel: 0.69 Storm rel vorticity (0-3000m) horiz: 6.5 stream: 4.5 10^-3/s Energy-Hel index: 0.27 Bulk Rich Number: 21.59 Bulk Shear: 28.94 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 96 6 307 10| 0.0 10.7 10.7| 17.8 -1.2 16.5 33.1 0.60| 11.5 6.9 1000 78 10 336 10| 0.0 8.7 8.7| 35.1 -1.2 33.9 33.9 0.64| 10.4 6.6 1500 74 13 351 10| 1.2 5.8 7.0| 46.2 -1.2 45.0 30.0 0.67| 8.2 5.5 2000 76 15 4 10| 2.3 4.3 6.7| 68.7 -1.2 67.5 33.7 0.74| 7.8 5.8 2500 78 17 16 11| 1.8 4.0 5.9| 73.2 -4.2 69.1 27.6 0.68| 6.9 4.7 3000 79 19 25 11| 2.1 3.3 5.4| 89.1 -4.2 85.0 28.3 0.69| 6.5 4.5 4000 81 20 34 12| 1.9 2.2 4.2|104.0 -21.8 82.1 20.5 0.53| 6.2 3.3 5000 85 21 40 11| 1.6 1.6 3.2|109.3 -25.0 84.3 16.9 0.46| 5.8 2.7 6000 86 20 39 10| 1.3 1.3 2.7|109.5 -33.5 76.0 12.7 0.35| 5.2 1.8 Wrote GIF file: /home/apache/climate/data/raob//SB107/skewt/SB107.skewt.20250417.12.gif