UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042112.upa.cvt Date: 1200Z 21 APR 25 Searching for SBSN... Searching the city database file for: SBSN ... Date:1200Z 21 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 27.4 26.0 92 1.4 26.4 320 2 300.1 304.1 299.4 363.4 21.51 1 1000 106 26.2 24.6 91 1.6 25.0 320 2 299.4 303.0 298.2 357.4 19.84 2 973 347 23.8 23.7 99 0.1 23.8 327 7 299.3 302.8 297.8 355.7 19.30 3 925 790 21.4 21.0 98 0.4 21.1 55 10 301.2 304.3 297.0 351.7 17.17 4 882 1203 19.0 19.0 100 0.0 19.0 93 10 302.8 305.8 296.6 349.8 15.87 5 850 1521 17.2 16.4 95 0.8 16.7 100 13 304.2 306.7 295.7 345.7 13.94 6 793 2113 14.8 11.9 83 2.9 12.9 110 13 307.7 309.8 294.6 341.3 11.11 7 787 2178 15.0 9.0 67 6.0 11.3 112 13 308.6 310.3 293.4 336.6 9.20 8 710 3045 9.6 8.1 90 1.5 8.7 100 10 311.8 313.7 294.7 341.4 9.60 9 700 3163 9.2 6.5 83 2.7 7.6 100 9 312.7 314.3 294.2 339.7 8.71 10 627 4069 5.6 0.6 70 5.0 2.8 101 11 318.6 319.8 294.1 339.0 6.39 11 584 4646 2.0 -2.9 70 4.9 -0.6 122 11 320.9 321.9 293.9 338.1 5.30 12 544 5213 -2.5 -3.2 95 0.7 -2.9 91 14 322.1 323.2 294.4 340.2 5.56 13 518 5601 -3.7 -5.9 85 2.2 -4.8 79 16 325.2 326.2 294.6 341.0 4.76 14 502 5849 -3.9 -19.9 28 16.0 -9.5 89 15 327.9 328.2 292.6 333.4 1.57 15 500 5880 -4.1 -20.1 28 16.0 -9.6 90 15 328.0 328.4 292.6 333.5 1.55 16 494 5975 -4.7 -22.7 23 18.0 -10.5 88 15 328.4 328.7 292.5 332.9 1.25 17 483 6153 -6.1 -11.1 68 5.0 -8.2 84 16 328.8 329.5 294.4 340.4 3.39 18 475 6284 -6.9 -18.9 38 12.0 -11.1 82 15 329.4 329.8 293.3 335.8 1.81 19 471 6350 -7.5 -13.5 62 6.0 -9.9 81 15 329.5 330.1 294.1 339.3 2.87 20 464 6467 -7.5 -16.5 48 9.0 -10.9 79 15 330.9 331.3 294.0 338.8 2.27 21 456 6603 -8.7 -11.9 78 3.2 -10.1 77 14 331.0 331.7 295.0 342.6 3.37 22 438 6915 -10.9 -12.4 89 1.5 -11.5 83 16 332.1 332.8 295.2 343.7 3.37 23 400 7610 -14.7 -18.0 76 3.3 -15.9 95 24 335.9 336.4 295.3 344.1 2.32 24 393 7744 -15.5 -18.0 81 2.5 -16.4 95 26 336.5 337.0 295.5 344.9 2.36 25 370 8197 -17.7 -23.7 59 6.0 -19.4 91 26 339.5 339.8 295.5 345.0 1.53 26 363 8340 -18.5 -26.5 49 8.0 -20.6 93 24 340.3 340.5 295.4 344.7 1.21 27 319 9289 -26.9 -30.6 71 3.7 -27.6 76 18 341.4 341.6 295.5 345.0 0.94 28 300 9730 -29.7 -33.1 72 3.4 -30.3 80 20 343.5 343.7 295.8 346.5 0.78 29 288 10019 -31.9 -36.2 66 4.3 -32.6 71 18 344.4 344.5 295.9 346.8 0.60 30 264 10626 -37.1 -38.0 91 0.9 -37.2 66 14 345.5 345.6 296.1 347.6 0.55 31 250 11000 -39.9 -43.8 66 3.9 -40.3 55 11 346.7 346.8 296.2 348.0 0.31 32 249 11027 -40.1 -44.3 64 4.2 -40.5 55 11 346.8 346.9 296.2 348.1 0.30 33 206 12289 -50.5 -57.5 43 7.0 -50.8 78 7 349.8 349.8 296.7 350.2 0.08 34 200 12480 -52.5 -57.5 55 5.0 -52.7 85 5 349.6 349.6 296.6 350.0 0.08 35 190 12810 -55.7 -59.0 66 3.3 -55.8 82 3 349.7 349.7 296.6 350.0 0.07 36 184 13014 -57.3 -64.3 41 7.0 -57.5 81 2 350.3 350.3 296.7 350.4 0.04 37 173 13402 -59.9 -67.9 34 8.0 -60.0 121 6 352.2 352.2 297.1 352.3 0.02 38 157 14002 -64.7 -69.5 51 4.8 -64.7 170 13 354.0 354.0 297.5 354.1 0.02 39 150 14280 -66.7 -72.7 42 6.0 -66.7 170 16 355.2 355.2 297.7 355.2 0.01 40 147 14401 -67.5 -74.5 36 7.0 -67.5 170 16 355.9 355.9 297.9 355.9 0.01 41 136 14867 -69.1 -82.1 14 13.0 -69.2 156 12 361.0 361.0 298.9 361.0 0.00 42 130 15134 -70.9 -76.9 41 6.0 -70.9 159 5 362.5 362.5 299.2 362.5 0.01 43 101 16584 -81.9 -86.7 44 4.8 -81.9 146 9 368.4 368.4 300.3 368.4 0.00 44 100 16640 -82.1 -86.8 44 4.7 -82.1 135 9 369.1 369.1 300.4 369.1 0.00 45 91 17166 -84.1 -88.6 45 4.5 -84.1 100 9 375.2 375.2 301.5 375.2 0.00 46 82 17755 -77.5 -87.5 19 10.0 -77.5 33 10 400.1 400.1 305.2 400.1 0.00 47 77 18117 -76.9 -88.9 13 12.0 -76.9 131 10 408.6 408.6 306.3 408.6 0.00 48 74 18345 -77.5 -89.5 13 12.0 -77.6 189 11 412.0 412.0 306.7 412.0 0.00 49 71 18586 -71.9 -87.9 7 16.0 -72.0 239 14 428.8 428.8 308.7 428.8 0.00 50 70 18670 -72.3 -89.3 6 17.0 -72.4 265 25 429.7 429.7 308.8 429.7 0.00 51 63 19282 -76.9 -89.9 11 13.0 -76.9 262 34 432.7 432.7 309.1 432.7 0.00 52 58 19756 -76.5 -90.5 9 14.0 -76.6 247 31 444.0 444.0 310.3 444.0 0.00 53 50 20630 -67.3 -89.3 3 22.0 -67.5 300 28 484.9 484.9 313.8 484.9 0.00 54 49 20752 -66.7 -89.7 3 23.0 -67.0 295 18 489.1 489.1 314.1 489.1 0.00 55 47 21004 -67.3 -89.3 3 22.0 -67.5 305 22 493.5 493.6 314.5 493.6 0.00 56 42 21688 -63.3 -89.3 2 26.0 -63.7 283 28 519.6 519.6 316.3 519.6 0.00 TRP 91 17166 -84.1 -88.6 45 4.5 -84.1 100 9 375.2 375.2 301.5 375.2 0.00 WND Sounding variables and indices 1000-500 mb thick: 5774.00 m Freezing level: 566.22 mb = 4897.83 m = 16068.80 ft Wetbulb zero: 591.16 mb = 4546.60 m = 14916.48 ft Precipitable water: 2.34 inches Sfc-500 mean rel hum: 83.05 % Est. max temperature: 31.24 C = 88.23 F Sfc-Lift cond lev (LCL): 985.33 mb = 236.41 m = 775.61 ft T: 24.90 C 700-500 lapse rate: 4.90 C/km ThetaE index: 26.81 C Layer 1000.0- 710.0 mb Conv cond level (CCL): 947.50 mb = 579.76 m = 1902.09 ft Mean mixing ratio: 18.41 g/kg Conv temperature: 27.56 C = 81.61 F Cap Strength: 0.00 C Lifted Index: -2.65 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -3.65 C Lifted Index @700 mb: -2.54 C Showalter Index: 0.45 C Risk: Thunderstorms probable Total Totals Index: 41.80 C Risk: None Vertical Totals Index: 21.30 C Cross Totals Index: 20.50 C K Index: 35.00 Risk: > 80 % chance of thunderstorms Sweat Index: 237.80 Risk: None Energy Index: -2.37 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1382.16 J/kg Max Up Vert Vel: 52.58 m/s Conv Inhibition (B-): 0.00 J/kg Cap Strength: 0.00 C Lift Cond Lev (LCL): 948.36 mb = 571.80 m = 1875.95 ft Lev Free Conv (LFC): 943.36 mb = 618.04 m = 2027.67 ft Equ Level (EL): 153.36 mb = 14145.02 m = 46406.99 ft B at Equ Level: 1376.86 J/kg Max Parcel Lev (MPL): 83.36 mb = 17661.57 m = 57944.09 ft Wind level data Storm motion: 126 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 1005 60 320 2 1.3 -1.5 | 309 10 8.0 -6.5 1 1000 106 320 2 1.3 -1.5 | 309 10 8.0 -6.5 2 978 305 315 7 4.9 -4.9 | 310 15 11.7 -9.9 3 944 610 40 6 -3.9 -4.6 | 343 10 2.9 -9.5 4 925 790 55 10 -8.2 -5.7 | 8 11 -1.4 -10.7 5 912 914 60 10 -8.7 -5.0 | 11 10 -1.9 -9.9 6 880 1219 95 10 -10.0 0.9 | 38 5 -3.2 -4.1 7 850 1521 100 13 -12.8 2.3 | 66 7 -6.1 -2.7 8 791 2134 110 13 -12.2 4.4 | 85 5 -5.5 -0.5 9 763 2438 125 10 -8.2 5.7 | 119 2 -1.4 0.8 10 736 2743 130 10 -7.7 6.4 | 149 2 -0.9 1.5 11 710 3048 100 10 -9.8 1.7 | 44 4 -3.1 -3.2 12 700 3163 100 9 -8.9 1.6 | 32 4 -2.1 -3.4 13 658 3658 95 10 -10.0 0.9 | 38 5 -3.2 -4.1 14 611 4267 105 11 -10.6 2.8 | 62 4 -3.9 -2.1 15 588 4572 125 11 -9.0 6.3 | 121 3 -2.3 1.4 16 525 5486 75 16 -15.5 -4.1 | 44 13 -8.7 -9.1 17 500 5880 90 15 -15.0 0.0 | 59 10 -8.3 -4.9 18 486 6096 85 16 -15.9 -1.4 | 55 11 -9.2 -6.3 19 449 6706 75 14 -13.5 -3.6 | 38 11 -6.8 -8.6 20 416 7315 100 21 -20.7 3.6 | 85 14 -13.9 -1.3 21 400 7610 95 24 -23.9 2.1 | 81 17 -17.2 -2.8 22 383 7925 95 30 -29.9 2.6 | 84 23 -23.1 -2.3 23 368 8230 90 25 -25.0 0.0 | 75 19 -18.3 -4.9 24 353 8534 100 23 -22.7 4.0 | 87 16 -15.9 -0.9 25 325 9144 75 18 -17.4 -4.7 | 48 14 -10.6 -9.6 26 300 9730 80 20 -19.7 -3.5 | 57 15 -12.9 -8.4 27 299 9754 80 20 -19.7 -3.5 | 57 15 -12.9 -8.4 28 274 10363 60 15 -13.0 -7.5 | 27 14 -6.2 -12.4 29 251 10973 75 13 -12.6 -3.4 | 35 10 -5.8 -8.3 30 250 11000 55 11 -9.0 -6.3 | 11 11 -2.3 -11.2 31 240 11278 55 11 -9.0 -6.3 | 11 11 -2.3 -11.2 32 229 11582 55 12 -9.8 -6.9 | 15 12 -3.1 -11.8 33 200 12480 85 5 -5.0 -0.4 | 342 6 1.8 -5.4 34 181 13106 80 1 -1.0 -0.2 | 312 8 5.8 -5.1 35 164 13716 170 11 -1.9 10.8 | 219 8 4.8 5.9 36 150 14280 170 16 -2.8 15.8 | 200 12 4.0 10.8 37 141 14630 170 17 -3.0 16.7 | 198 12 3.8 11.8 38 134 14935 150 10 -5.0 8.7 | 205 4 1.7 3.7 39 127 15240 165 2 -0.5 1.9 | 296 7 6.2 -3.0 40 115 15850 250 10 9.4 3.4 | 275 16 16.1 -1.5 41 103 16459 170 10 -1.7 9.8 | 226 7 5.0 4.9 42 100 16640 135 9 -6.4 6.4 | 195 1 0.4 1.4 43 98 16764 135 9 -6.4 6.4 | 195 1 0.4 1.4 44 93 17069 130 6 -4.6 3.9 | 296 2 2.2 -1.1 45 91 17166 100 9 -8.9 1.6 | 32 4 -2.1 -3.4 46 88 17374 120 11 -9.5 5.5 | 102 3 -2.8 0.6 47 83 17678 10 10 -1.7 -9.8 | 341 16 5.0 -14.8 48 75 18288 175 10 -0.9 10.0 | 229 8 5.9 5.0 49 71 18593 240 14 12.1 7.0 | 264 19 18.9 2.1 50 70 18670 265 25 24.9 2.2 | 275 32 31.7 -2.8 51 67 18898 265 25 24.9 2.2 | 275 32 31.7 -2.8 52 64 19202 265 34 33.9 3.0 | 273 41 40.6 -2.0 53 58 19812 245 31 28.1 13.1 | 257 36 34.8 8.2 54 55 20117 255 25 24.1 6.5 | 267 31 30.9 1.5 55 52 20422 240 19 16.5 9.5 | 259 24 23.2 4.6 56 50 20630 300 28 24.2 -14.0 | 301 36 31.0 -18.9 57 49 20726 295 18 16.3 -7.6 | 299 26 23.1 -12.5 58 46 21031 310 24 18.4 -15.4 | 309 32 25.1 -20.4 59 38 21946 255 32 30.9 8.3 | 265 38 37.7 3.4 Wind Parameters Mean winds (0-6000m): 96.1 at 11.1 knts Storm direction: 126.1 at 8.4 knts Shear (0-3000m) pos: 2.1 neg: 0.8 tot: 2.8 10-3/s Storm rel Dir Shear (0-3000m): 94.2 deg Storm rel helicity (0-3000m) pos: 58.1 neg: -2.5 tot: 55.6 m^2/s^2 ave: 18.5 10^-3 m/s^2 rel: 0.50 Storm rel vorticity (0-3000m) horiz: 6.8 stream: 3.4 10^-3/s Energy-Hel index: 0.48 Bulk Rich Number: 48.68 Bulk Shear: 28.40 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 ------------------------------------------------------------------------------- 500 335 5 317 13| 5.8 0.0 5.8| 25.1 0.0 25.1 50.3 0.59| 12.4 7.3 1000 32 7 345 11| 5.7 0.0 5.7| 45.6 0.0 45.6 45.6 0.69| 10.9 7.6 1500 65 8 6 9| 5.0 0.0 5.0| 53.3 0.0 53.3 35.5 0.71| 9.4 6.7 2000 82 10 24 7| 3.8 0.0 3.8| 55.8 0.0 55.8 27.9 0.72| 7.5 5.4 2500 92 10 35 6| 2.5 0.0 2.5| 58.0 0.0 58.0 23.2 0.69| 7.0 4.8 3000 97 10 41 5| 2.1 0.8 2.8| 58.1 -2.5 55.6 18.5 0.50| 6.8 3.4 4000 97 10 41 5| 1.7 0.7 2.4| 60.2 -3.4 56.9 14.2 0.48| 5.5 2.7 5000 101 10 48 5| 1.6 1.1 2.7| 63.8 -8.4 55.4 11.1 0.38| 5.5 2.1 6000 96 11 49 6| 1.5 1.4 2.9| 71.2 -18.9 52.3 8.7 0.30| 5.5 1.6 Wrote GIF file: /home/apache/climate/data/raob//SBSN/skewt/SBSN.skewt.20250421.12.gif