UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025043012.upa.cvt Date: 1200Z 30 APR 25 Searching for SBSN... Searching the city database file for: SBSN ... Date:1200Z 30 APR 25 Station: SBSN WMO ident: 82244 Latitude: -2.42 Longitude: -54.79 Elevation: 60.00 ------------------------------------------------------------------------------- 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 1005 60 26.6 25.2 92 1.4 25.6 70 4 299.3 303.1 298.5 359.3 20.48 1 1000 108 27.0 23.2 80 3.8 24.2 70 4 300.1 303.5 297.4 353.5 18.19 2 925 794 21.6 20.7 95 0.9 21.0 60 20 301.4 304.5 296.8 351.0 16.84 3 886 1169 19.6 19.3 98 0.3 19.4 73 20 303.1 306.0 296.8 350.8 16.11 4 850 1527 18.0 16.1 89 1.9 16.7 85 21 305.0 307.5 295.7 345.8 13.67 5 700 3171 10.0 5.0 71 5.0 7.1 100 15 313.6 315.1 293.8 338.0 7.84 6 651 3772 7.0 0.0 61 7.0 3.2 100 18 316.7 317.9 293.2 335.5 5.89 7 630 4041 4.8 3.0 88 1.8 3.8 100 19 317.2 318.7 294.6 341.1 7.56 8 580 4712 0.8 0.6 99 0.2 0.7 99 23 320.1 321.5 294.8 342.3 6.91 9 536 5342 -3.3 -3.3 100 0.0 -3.3 94 23 322.5 323.6 294.5 340.8 5.60 10 524 5521 -4.3 -4.3 100 0.0 -4.3 92 23 323.4 324.5 294.5 340.8 5.32 11 516 5642 -5.9 -12.9 58 7.0 -8.7 91 23 322.9 323.5 292.3 332.1 2.75 12 508 5765 -5.3 -8.7 77 3.4 -6.8 90 23 325.1 325.9 293.9 338.1 3.90 13 504 5827 -5.3 -13.3 53 8.0 -8.5 92 22 325.8 326.4 293.1 335.1 2.72 14 500 5890 -5.3 -8.0 81 2.7 -6.5 95 19 326.6 327.4 294.4 340.6 4.19 15 499 5906 -5.3 -7.2 86 1.9 -6.2 95 19 326.8 327.7 294.7 341.7 4.47 16 491 6033 -5.9 -9.7 74 3.8 -7.6 98 22 327.5 328.3 294.3 340.1 3.73 17 488 6081 -5.3 -28.3 14 23.0 -11.7 100 23 328.9 329.0 292.2 331.6 0.76 18 484 6146 -5.1 -21.1 27 16.0 -10.5 101 23 329.9 330.2 293.1 335.1 1.47 19 433 7013 -10.3 -17.3 56 7.0 -12.9 105 25 333.9 334.4 294.8 341.9 2.27 20 412 7395 -12.9 -25.9 33 13.0 -16.6 99 22 335.4 335.6 294.2 339.5 1.12 21 408 7469 -13.3 -21.3 51 8.0 -15.9 98 21 335.8 336.1 294.8 341.9 1.71 22 400 7620 -14.5 -23.5 46 9.0 -17.2 95 20 336.1 336.4 294.6 341.4 1.44 23 348 8656 -21.7 -31.7 40 10.0 -23.8 102 18 340.1 340.2 295.0 343.0 0.77 24 332 9000 -23.7 -42.7 16 19.0 -26.5 112 17 341.9 342.0 295.0 343.0 0.27 25 313 9426 -27.1 -40.1 28 13.0 -29.0 134 17 343.0 343.1 295.4 344.5 0.37 26 311 9472 -27.1 -48.1 12 21.0 -29.5 134 17 343.6 343.7 295.3 344.3 0.16 27 300 9730 -29.3 -47.3 16 18.0 -31.3 120 18 344.1 344.1 295.5 344.8 0.18 28 260 10739 -37.9 -55.9 13 18.0 -39.0 135 14 345.8 345.8 295.8 346.1 0.08 29 252 10955 -39.1 -60.1 9 21.0 -40.2 135 16 347.1 347.2 296.0 347.3 0.05 30 250 11010 -39.5 -59.5 10 20.0 -40.5 135 17 347.3 347.4 296.1 347.6 0.05 31 211 12143 -49.3 -60.3 27 11.0 -49.7 92 8 349.3 349.3 296.5 349.5 0.05 32 208 12236 -50.3 -56.3 49 6.0 -50.5 80 6 349.2 349.2 296.5 349.6 0.09 33 200 12490 -52.3 -60.3 38 8.0 -52.5 45 3 349.9 350.0 296.7 350.2 0.06 34 196 12621 -53.3 -64.3 25 11.0 -53.5 38 3 350.4 350.4 296.7 350.5 0.03 35 180 13163 -58.3 -63.1 54 4.8 -58.4 10 3 350.9 350.9 296.8 351.0 0.04 36 174 13376 -59.7 -69.7 26 10.0 -59.8 359 3 352.0 352.0 297.1 352.0 0.02 37 169 13558 -60.9 -65.9 52 5.0 -61.0 349 3 352.9 352.9 297.3 353.1 0.03 38 150 14290 -66.9 -71.9 49 5.0 -67.0 265 9 354.8 354.8 297.7 354.9 0.02 39 136 14873 -72.1 -76.0 56 3.9 -72.1 224 11 355.7 355.7 297.8 355.8 0.01 40 121 15551 -77.1 -81.3 51 4.2 -77.1 200 14 358.7 358.7 298.4 358.7 0.00 41 101 16574 -81.9 -87.9 35 6.0 -81.9 138 30 368.4 368.4 300.3 368.4 0.00 42 100 16630 -82.1 -88.1 35 6.0 -82.1 135 34 369.1 369.1 300.4 369.1 0.00 43 94 16975 -83.9 -88.9 41 5.0 -83.9 133 32 372.2 372.2 300.9 372.2 0.00 44 91 17154 -83.9 -88.9 41 5.0 -83.9 132 31 375.6 375.6 301.5 375.6 0.00 45 84 17608 -75.7 -85.7 19 10.0 -75.7 262 21 401.0 401.0 305.3 401.0 0.00 46 71 18579 -76.3 -88.3 13 12.0 -76.3 276 32 419.4 419.4 307.6 419.5 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5782.00 m Freezing level: 571.41 mb = 4834.58 m = 15861.30 ft Wetbulb zero: 572.66 mb = 4813.29 m = 15791.43 ft Precipitable water: 2.27 inches Sfc-500 mean rel hum: 84.68 % Est. max temperature: 32.01 C = 89.62 F Sfc-Lift cond lev (LCL): 985.27 mb = 238.59 m = 782.77 ft T: 25.97 C 700-500 lapse rate: 5.63 C/km ThetaE index: 23.82 C Layer 1000.0- 630.0 mb Conv cond level (CCL): 914.64 mb = 891.95 m = 2926.30 ft Mean mixing ratio: 17.42 g/kg Conv temperature: 29.11 C = 84.40 F Cap Strength: 0.41 C Lifted Index: -3.15 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -2.13 C Lifted Index @700 mb: -1.21 C Showalter Index: -0.81 C Risk: Thunderstorms probable Total Totals Index: 44.70 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.30 C Cross Totals Index: 21.40 C K Index: 34.40 Risk: 60-80 % chance of thunderstorms Sweat Index: 254.20 Risk: None Energy Index: -1.10 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 879.20 J/kg Max Up Vert Vel: 41.93 m/s Conv Inhibition (B-): 1.82 J/kg Cap Strength: 0.41 C Lift Cond Lev (LCL): 926.84 mb = 776.53 m = 2547.65 ft Lev Free Conv (LFC): 891.84 mb = 1111.50 m = 3646.60 ft Equ Level (EL): 171.84 mb = 13454.29 m = 44140.83 ft B at Equ Level: 876.05 J/kg Max Parcel Lev (MPL): 91.84 mb = 17103.59 m = 56113.47 ft Wind level data Storm motion: 120 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 1005 60 70 4 -3.8 -1.4 | 314 13 9.4 -9.1 1 1000 108 70 4 -3.8 -1.4 | 314 13 9.4 -9.1 2 978 305 60 16 -13.9 -8.0 | 3 16 -0.7 -15.7 3 945 610 60 21 -18.2 -10.5 | 15 19 -5.0 -18.2 4 925 794 60 20 -17.3 -10.0 | 13 18 -4.2 -17.7 5 912 914 65 20 -18.1 -8.5 | 17 17 -5.0 -16.1 6 850 1527 85 21 -20.9 -1.8 | 39 12 -7.8 -9.5 7 791 2134 95 25 -24.9 2.2 | 65 13 -11.8 -5.5 8 763 2438 95 26 -25.9 2.3 | 67 14 -12.8 -5.4 9 710 3048 100 14 -13.8 2.4 | 7 5 -0.6 -5.3 10 700 3171 100 15 -14.8 2.6 | 18 5 -1.6 -5.1 11 611 4267 100 20 -19.7 3.5 | 57 8 -6.6 -4.2 12 589 4572 100 23 -22.7 4.0 | 69 10 -9.5 -3.7 13 506 5791 90 23 -23.0 0.0 | 52 12 -9.9 -7.7 14 500 5890 95 19 -18.9 1.7 | 44 8 -5.8 -6.0 15 487 6096 100 23 -22.7 4.0 | 69 10 -9.5 -3.7 16 450 6706 110 27 -25.4 9.2 | 97 12 -12.2 1.5 17 400 7620 95 20 -19.9 1.7 | 49 9 -6.8 -5.9 18 384 7925 95 20 -19.9 1.7 | 49 9 -6.8 -5.9 19 368 8230 95 21 -20.9 1.8 | 53 10 -7.8 -5.9 20 339 8839 105 17 -16.4 4.4 | 45 5 -3.3 -3.3 21 312 9449 135 17 -12.0 12.0 | 195 4 1.1 4.3 22 300 9730 120 18 -15.6 9.0 | 118 3 -2.4 1.3 23 274 10363 100 17 -16.7 3.0 | 37 6 -3.6 -4.7 24 262 10668 135 13 -9.2 9.2 | 249 4 4.0 1.5 25 250 11010 135 17 -12.0 12.0 | 195 4 1.1 4.3 26 219 11887 125 11 -9.0 6.3 | 288 4 4.1 -1.4 27 200 12490 45 3 -2.1 -2.1 | 312 15 11.0 -9.8 28 164 13716 340 3 1.0 -2.8 | 307 18 14.2 -10.5 29 157 14021 295 11 10.0 -4.6 | 298 26 23.1 -12.3 30 150 14290 265 9 9.0 0.8 | 287 23 22.1 -6.9 31 149 14326 285 10 9.7 -2.6 | 294 25 22.8 -10.3 32 134 14935 215 11 6.3 9.0 | 266 19 19.5 1.3 33 121 15545 200 14 4.8 13.2 | 253 19 17.9 5.5 34 114 15850 210 19 9.5 16.5 | 249 24 22.6 8.8 35 103 16459 145 23 -13.2 18.8 | 180 11 -0.0 11.2 36 100 16630 135 34 -24.0 24.0 | 146 20 -10.9 16.4 37 98 16764 135 34 -24.0 24.0 | 146 20 -10.9 16.4 38 88 17374 130 29 -22.2 18.6 | 140 14 -9.1 11.0 39 83 17678 305 19 15.6 -10.9 | 303 34 28.7 -18.6 40 74 18288 280 37 36.4 -6.4 | 286 52 49.6 -14.1 41 67 18898 270 25 25.0 -0.0 | 281 39 38.1 -7.7 Wind Parameters Mean winds (0-6000m): 90.3 at 20.3 knts Storm direction: 120.3 at 15.2 knts Shear (0-3000m) pos: 2.2 neg: 2.8 tot: 5.0 10-3/s Storm rel Dir Shear (0-3000m): 54.0 deg Storm rel helicity (0-3000m) pos: 101.6 neg: -17.1 tot: 84.5 m^2/s^2 ave: 28.2 10^-3 m/s^2 rel: 0.44 Storm rel vorticity (0-3000m) horiz: 7.7 stream: 3.4 10^-3/s Energy-Hel index: 0.54 Bulk Rich Number: 57.15 Bulk Shear: 15.38 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 61 14 355 14| 0.0 16.7 16.7| 53.3 0.0 53.3 106.7 0.89| 16.9 15.0 1000 62 17 7 16| 1.8 8.4 10.1| 65.7 -1.9 63.8 63.8 0.81| 10.8 8.7 1500 68 18 15 15| 3.2 5.6 8.7| 82.6 -1.9 80.7 53.8 0.80| 9.2 7.4 2000 75 19 24 14| 3.5 4.2 7.7| 97.9 -1.9 96.0 48.0 0.83| 8.1 6.7 2500 80 21 32 13| 2.9 3.3 6.2|101.6 -4.3 97.3 38.9 0.76| 7.2 5.4 3000 83 20 34 12| 2.2 2.8 5.0|101.6 -17.1 84.5 28.2 0.44| 7.7 3.4 4000 87 19 35 11| 1.7 2.6 4.3|108.5 -17.1 91.4 22.9 0.49| 6.4 3.1 5000 89 20 40 10| 1.3 2.5 3.8|113.9 -20.7 93.2 18.6 0.46| 5.7 2.6 6000 90 20 43 10| 1.4 2.2 3.5|120.8 -29.2 91.6 15.3 0.40| 5.5 2.2 Wrote GIF file: /home/apache/climate/data/raob//SBSN/skewt/SBSN.skewt.20250430.12.gif