UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042600.upa.cvt Date: 0000Z 26 APR 25 Searching for SBSN... Searching the city database file for: SBSN ... Date:0000Z 26 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 1004 60 28.0 24.9 83 3.1 25.7 35 10 300.8 304.5 298.7 360.1 20.12 1 1000 93 27.4 25.0 87 2.4 25.6 50 2 300.5 304.3 298.8 360.4 20.33 2 925 781 22.6 21.3 92 1.3 21.7 50 13 302.4 305.6 297.5 354.2 17.50 3 850 1517 18.6 16.8 89 1.8 17.4 85 9 305.6 308.3 296.3 348.5 14.31 4 846 1558 18.0 16.6 92 1.4 17.1 91 9 305.4 308.1 296.1 347.9 14.19 5 840 1619 18.8 15.7 82 3.1 16.7 99 8 306.9 309.4 296.1 347.4 13.48 6 700 3163 10.2 6.7 79 3.5 8.0 75 11 313.8 315.5 294.6 341.2 8.83 7 690 3283 9.8 5.9 77 3.9 7.5 75 11 314.6 316.3 294.6 341.1 8.48 8 616 4216 3.4 2.6 94 0.8 2.9 99 13 317.7 319.1 294.7 341.5 7.52 9 530 5428 -1.5 -3.8 84 2.3 -2.7 114 21 325.7 326.8 295.2 343.7 5.46 10 500 5890 -4.9 -5.6 95 0.7 -5.3 120 27 327.1 328.1 295.3 343.8 5.05 11 438 6923 -11.3 -11.3 100 0.0 -11.3 97 28 331.6 332.3 295.3 344.2 3.68 12 409 7450 -12.5 -22.5 43 10.0 -15.6 77 27 336.6 336.9 294.8 342.2 1.54 13 400 7620 -13.5 -17.0 75 3.5 -14.8 70 26 337.4 338.0 295.8 346.4 2.52 14 398 7658 -13.7 -16.8 77 3.1 -14.9 92 26 337.7 338.2 295.9 346.8 2.58 15 392 7773 -14.3 -18.3 72 4.0 -15.7 83 26 338.4 338.8 295.8 346.6 2.31 16 348 8663 -21.7 -23.0 89 1.3 -22.1 94 27 340.1 340.4 295.8 346.4 1.73 17 328 9096 -24.1 -27.2 75 3.1 -24.9 97 24 342.6 342.8 296.0 347.2 1.25 18 305 9622 -28.7 -28.9 98 0.2 -28.7 91 18 343.3 343.5 296.1 347.6 1.15 19 300 9740 -28.9 -30.6 85 1.7 -29.2 90 17 344.6 344.9 296.3 348.4 1.00 20 282 10180 -32.1 -34.0 83 1.9 -32.4 83 16 346.2 346.4 296.4 349.2 0.76 21 271 10460 -33.9 -46.9 26 13.0 -35.2 79 16 347.6 347.6 296.3 348.4 0.21 22 265 10617 -35.1 -42.1 49 7.0 -35.9 76 16 348.0 348.1 296.5 349.5 0.36 23 262 10696 -35.7 -48.7 25 13.0 -36.8 75 16 348.3 348.3 296.4 349.0 0.17 24 250 11020 -38.7 -43.7 59 5.0 -39.2 70 16 348.5 348.6 296.6 349.8 0.32 25 245 11158 -39.7 -43.5 67 3.8 -40.1 67 17 349.1 349.1 296.7 350.4 0.33 26 224 11764 -44.7 -50.7 51 6.0 -45.1 81 15 350.4 350.5 296.9 351.1 0.16 27 205 12349 -50.5 -53.2 73 2.7 -50.6 78 13 350.3 350.3 296.8 350.9 0.13 28 200 12510 -51.7 -54.9 68 3.2 -51.8 75 13 350.9 350.9 296.9 351.4 0.11 29 192 12772 -53.9 -57.3 66 3.4 -54.0 74 12 351.5 351.5 297.0 351.9 0.09 30 189 12872 -54.9 -59.9 54 5.0 -55.1 74 12 351.5 351.5 297.0 351.7 0.06 31 170 13537 -60.7 -63.9 66 3.2 -60.7 71 10 352.7 352.7 297.3 352.8 0.04 32 150 14300 -67.5 -72.0 53 4.5 -67.5 140 11 353.8 353.8 297.5 353.9 0.02 33 133 15017 -73.5 -78.5 46 5.0 -73.5 130 15 355.5 355.5 297.8 355.5 0.01 34 121 15569 -75.1 -82.1 33 7.0 -75.1 81 10 362.3 362.3 299.1 362.3 0.00 35 101 16604 -81.3 -87.3 35 6.0 -81.3 174 12 369.6 369.6 300.5 369.6 0.00 36 100 16660 -81.1 -87.1 36 6.0 -81.1 170 11 371.0 371.0 300.8 371.0 0.00 37 88 17371 -85.5 -89.8 46 4.3 -85.5 150 10 376.0 376.0 301.6 376.0 0.00 38 75 18261 -80.9 -89.9 21 9.0 -80.9 120 11 403.3 403.3 305.6 403.3 0.00 39 74 18337 -75.9 -87.9 13 12.0 -75.9 101 12 415.4 415.4 307.2 415.4 0.00 40 70 18660 -74.1 -90.1 7 16.0 -74.2 325 26 425.9 425.9 308.4 425.9 0.00 41 69 18744 -74.3 -91.3 6 17.0 -74.3 325 26 427.2 427.2 308.5 427.2 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5797.00 m Freezing level: 556.33 mb = 5056.85 m = 16590.52 ft Wetbulb zero: 570.91 mb = 4828.70 m = 15841.99 ft Precipitable water: 2.51 inches Sfc-500 mean rel hum: 86.37 % Est. max temperature: 32.65 C = 90.77 F Sfc-Lift cond lev (LCL): 960.37 mb = 449.87 m = 1475.95 ft T: 24.91 C 700-500 lapse rate: 5.54 C/km ThetaE index: 19.30 C Layer 925.0- 616.0 mb Conv cond level (CCL): 914.89 mb = 876.63 m = 2876.06 ft Mean mixing ratio: 18.55 g/kg Conv temperature: 30.03 C = 86.06 F Cap Strength: 0.53 C Lifted Index: -4.22 C Risk: Severe thunderstorms probable Lifted Index @300 mb: -3.96 C Lifted Index @700 mb: -2.12 C Showalter Index: -1.40 C Risk: Thunderstorms probable Total Totals Index: 45.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.50 C Cross Totals Index: 21.70 C K Index: 36.80 Risk: > 80 % chance of thunderstorms Sweat Index: 246.60 Risk: None Energy Index: -0.99 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1610.74 J/kg Max Up Vert Vel: 56.76 m/s Conv Inhibition (B-): 2.52 J/kg Cap Strength: 0.53 C Lift Cond Lev (LCL): 929.69 mb = 736.40 m = 2415.99 ft Lev Free Conv (LFC): 894.69 mb = 1071.03 m = 3513.82 ft Equ Level (EL): 124.69 mb = 15393.79 m = 50503.95 ft B at Equ Level: 1567.07 J/kg Max Parcel Lev (MPL): 74.69 mb = 18284.69 m = 59988.42 ft Wind level data Storm motion: 125 at 10 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 1004 60 35 10 -5.7 -8.2 | 350 14 2.5 -14.0 1 1000 93 50 2 -1.5 -1.3 | 317 10 6.7 -7.1 2 976 305 50 13 -10.0 -8.4 | 7 14 -1.8 -14.2 3 943 610 55 13 -10.6 -7.5 | 10 14 -2.4 -13.3 4 925 781 50 13 -10.0 -8.4 | 7 14 -1.8 -14.2 5 911 914 45 13 -9.2 -9.2 | 4 15 -1.0 -15.0 6 850 1517 85 9 -9.0 -0.8 | 7 7 -0.8 -6.6 7 819 1829 130 6 -4.6 3.9 | 299 4 3.6 -2.0 8 790 2134 115 9 -8.2 3.8 | 359 2 0.1 -2.0 9 762 2438 105 9 -8.7 2.3 | 8 4 -0.5 -3.5 10 710 3048 65 11 -10.0 -4.6 | 10 11 -1.8 -10.5 11 700 3163 75 11 -10.6 -2.8 | 16 9 -2.4 -8.7 12 684 3353 75 11 -10.6 -2.8 | 16 9 -2.4 -8.7 13 634 3962 115 11 -10.0 4.6 | 56 2 -1.8 -1.2 14 611 4267 95 14 -13.9 1.2 | 51 7 -5.7 -4.6 15 588 4572 100 17 -16.7 3.0 | 71 9 -8.5 -2.9 16 526 5486 115 21 -19.0 8.9 | 106 11 -10.8 3.0 17 500 5890 120 27 -23.4 13.5 | 117 17 -15.2 7.7 18 487 6096 120 26 -22.5 13.0 | 117 16 -14.3 7.2 19 468 6401 120 23 -19.9 11.5 | 116 13 -11.7 5.7 20 450 6706 105 29 -28.0 7.5 | 95 20 -19.8 1.7 21 400 7620 70 26 -24.4 -8.9 | 48 22 -16.2 -14.7 22 400 7620 95 26 -25.9 2.3 | 79 18 -17.7 -3.6 23 384 7925 70 26 -24.4 -8.9 | 48 22 -16.2 -14.7 24 368 8230 80 26 -25.6 -4.5 | 59 20 -17.4 -10.4 25 339 8839 100 27 -26.6 4.7 | 86 18 -18.4 -1.2 26 300 9740 90 17 -17.0 0.0 | 56 11 -8.8 -5.8 27 299 9754 110 22 -20.7 7.5 | 98 13 -12.5 1.7 28 287 10058 85 16 -15.9 -1.4 | 47 11 -7.7 -7.2 29 250 11020 70 16 -15.0 -5.5 | 31 13 -6.8 -11.3 30 241 11278 65 18 -16.3 -7.6 | 31 16 -8.1 -13.5 31 220 11887 85 14 -13.9 -1.2 | 39 9 -5.7 -7.1 32 200 12510 75 13 -12.6 -3.4 | 25 10 -4.3 -9.2 33 165 13716 70 10 -9.4 -3.4 | 7 9 -1.2 -9.3 34 150 14300 140 11 -7.1 8.4 | 204 3 1.1 2.6 35 149 14326 140 12 -7.7 9.2 | 188 3 0.5 3.3 36 142 14630 145 13 -7.5 10.6 | 189 5 0.8 4.8 37 128 15240 120 16 -13.9 8.0 | 111 6 -5.6 2.2 38 121 15545 80 10 -9.8 -1.7 | 12 8 -1.6 -7.6 39 109 16154 235 11 9.0 6.3 | 268 17 17.2 0.5 40 104 16459 185 15 1.3 14.9 | 226 13 9.5 9.1 41 100 16660 170 11 -1.9 10.8 | 232 8 6.3 5.0 42 98 16764 170 11 -1.9 10.8 | 232 8 6.3 5.0 43 93 17069 180 10 0.0 10.0 | 243 9 8.2 4.2 44 88 17374 150 10 -5.0 8.7 | 229 4 3.2 2.8 45 83 17678 120 19 -16.5 9.5 | 114 9 -8.2 3.7 46 79 17983 125 16 -13.1 9.2 | 124 6 -4.9 3.3 47 75 18288 120 11 -9.5 5.5 | 75 1 -1.3 -0.3 48 71 18593 25 15 -6.3 -13.6 | 355 20 1.9 -19.4 49 70 18660 325 26 14.9 -21.3 | 320 36 23.1 -27.1 50 67 18898 325 26 14.9 -21.3 | 320 36 23.1 -27.1 Wind Parameters Mean winds (0-6000m): 95.5 at 13.4 knts Storm direction: 125.5 at 10.1 knts Shear (0-3000m) pos: 2.1 neg: 1.5 tot: 3.6 10-3/s Storm rel Dir Shear (0-3000m): 20.1 deg Storm rel helicity (0-3000m) pos: 28.0 neg: -20.9 tot: 7.1 m^2/s^2 ave: 2.4 10^-3 m/s^2 rel: 0.04 Storm rel vorticity (0-3000m) horiz: 7.1 stream: 0.3 10^-3/s Energy-Hel index: 0.27 Bulk Rich Number: 136.02 Bulk Shear: 11.84 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 51 10 359 12| 5.0 0.0 5.0| 21.8 -8.8 13.1 26.1 0.31| 13.7 4.3 1000 51 12 3 13| 2.2 0.0 2.2| 23.8 -13.4 10.4 10.4 0.21| 8.7 1.8 1500 56 11 5 12| 3.0 0.0 3.0| 25.4 -14.7 10.7 7.2 0.14| 8.3 1.1 2000 65 10 6 10| 3.2 0.0 3.2| 26.5 -19.2 7.4 3.7 0.01| 8.2 0.1 2500 73 10 8 9| 2.5 0.7 3.2| 27.8 -19.2 8.6 3.4 0.06| 7.3 0.5 3000 74 10 9 9| 2.1 1.5 3.6| 28.0 -20.9 7.1 2.4 0.04| 7.1 0.3 4000 79 10 13 8| 2.7 1.1 3.8| 35.4 -20.9 14.5 3.6 0.11| 6.7 0.8 5000 86 11 26 7| 2.5 1.3 3.7| 49.3 -21.7 27.6 5.5 0.18| 6.4 1.2 6000 95 13 49 7| 2.7 1.1 3.8| 67.1 -21.8 45.3 7.6 0.23| 6.2 1.4 Wrote GIF file: /home/apache/climate/data/raob//SBSN/skewt/SBSN.skewt.20250426.00.gif