UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121112.upa.cvt Date: 1200Z 11 DEC 25 Searching for SBSN... Searching the city database file for: SBSN ... Date:1200Z 11 DEC 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 30.2 24.2 70 6.0 25.7 75 10 302.9 306.5 298.7 360.1 19.25 1 1000 108 27.6 22.6 74 5.0 24.0 120 5 300.8 304.0 297.1 352.2 17.52 2 995 152 26.8 21.8 74 5.0 23.2 107 8 300.4 303.4 296.5 349.5 16.75 3 925 791 22.6 17.6 73 5.0 19.1 55 25 302.4 305.0 295.1 343.3 13.82 4 850 1525 17.8 16.4 92 1.4 16.8 70 24 304.8 307.4 295.8 346.4 13.94 5 843 1596 17.4 15.7 90 1.7 16.3 69 23 305.1 307.6 295.6 345.2 13.43 6 802 2022 16.8 10.8 68 6.0 12.9 62 18 308.8 310.8 294.3 339.9 10.20 7 728 2842 12.6 3.6 54 9.0 7.4 102 15 312.9 314.2 292.9 334.2 6.82 8 700 3170 10.4 3.4 62 7.0 6.3 90 15 314.0 315.3 293.3 335.9 7.00 9 688 3313 9.6 3.6 66 6.0 6.1 86 12 314.7 316.1 293.6 337.3 7.22 10 664 3608 9.4 -14.6 17 24.0 -0.4 96 9 317.7 318.0 289.9 323.9 1.85 11 659 3670 9.0 -11.0 23 20.0 0.2 98 9 317.9 318.4 290.6 326.2 2.50 12 609 4317 4.4 -11.6 30 16.0 -2.4 125 5 319.8 320.3 291.3 328.4 2.58 13 596 4492 2.8 -6.2 52 9.0 -1.5 127 4 320.0 320.8 292.6 333.1 4.04 14 591 4560 2.8 -11.2 35 14.0 -3.2 127 4 320.7 321.3 291.7 329.9 2.75 15 533 5387 -2.9 -6.4 77 3.5 -4.6 124 14 323.5 324.4 293.9 338.2 4.45 16 505 5812 -5.7 -9.8 73 4.1 -7.5 140 16 325.2 325.9 293.6 337.2 3.60 17 500 5890 -6.1 -10.8 69 4.7 -8.1 120 15 325.6 326.3 293.6 336.9 3.36 18 486 6112 -7.3 -13.3 62 6.0 -9.7 110 15 326.8 327.3 293.4 336.4 2.82 19 464 6472 -8.3 -27.3 20 19.0 -13.5 104 10 329.9 330.1 292.6 333.1 0.88 20 438 6917 -10.3 -27.3 23 17.0 -15.0 63 7 332.8 333.0 293.4 336.2 0.93 21 431 7041 -11.1 -25.1 30 14.0 -15.2 51 5 333.4 333.6 293.7 337.6 1.16 22 400 7610 -14.9 -35.9 15 21.0 -19.2 355 9 335.6 335.7 293.7 337.3 0.45 23 379 8017 -17.9 -37.9 16 20.0 -21.6 14 8 336.9 337.0 293.9 338.4 0.38 24 376 8077 -17.3 -42.3 9 25.0 -21.5 17 8 338.4 338.5 294.1 339.4 0.25 25 300 9730 -30.5 -53.5 9 23.0 -32.4 90 15 342.4 342.4 295.0 342.8 0.09 26 259 10758 -38.9 -56.9 13 18.0 -39.9 111 19 344.7 344.7 295.5 345.0 0.07 27 252 10946 -40.1 -64.1 6 24.0 -41.1 114 16 345.7 345.7 295.7 345.8 0.03 28 250 11000 -40.5 -63.5 7 23.0 -41.5 115 15 345.9 345.9 295.7 346.0 0.03 29 201 12448 -52.1 -69.1 11 17.0 -52.4 231 18 349.8 349.8 296.6 349.8 0.02 30 200 12480 -52.3 -68.3 13 16.0 -52.7 230 18 349.9 350.0 296.6 350.0 0.02 31 176 13291 -59.7 -64.6 53 4.9 -59.8 246 30 350.8 350.8 296.8 351.0 0.04 32 150 14270 -67.1 -70.4 63 3.3 -67.1 210 27 354.5 354.5 297.6 354.6 0.02 33 149 14310 -67.5 -70.6 64 3.1 -67.5 210 27 354.5 354.5 297.6 354.6 0.02 34 146 14432 -68.1 -74.1 42 6.0 -68.1 212 27 355.5 355.5 297.8 355.6 0.01 35 143 14557 -68.1 -79.1 19 11.0 -68.2 214 28 357.6 357.6 298.2 357.7 0.01 36 101 16565 -83.3 -87.2 51 3.9 -83.3 225 16 365.7 365.7 299.8 365.7 0.00 37 100 16620 -83.5 -87.3 51 3.8 -83.5 230 13 366.4 366.4 299.9 366.4 0.00 38 89 17263 -85.9 -89.8 49 3.9 -85.9 215 14 374.0 374.0 301.2 374.0 0.00 39 77 18056 -85.9 -90.9 40 5.0 -85.9 252 11 389.8 389.8 303.8 389.8 0.00 40 73 18353 -79.9 -87.9 25 8.0 -79.9 243 8 408.5 408.5 306.3 408.5 0.00 41 70 18590 -81.1 -88.1 30 7.0 -81.1 335 2 410.9 410.9 306.6 410.9 0.00 42 69 18671 -81.3 -89.3 25 8.0 -81.3 300 2 412.1 412.1 306.7 412.2 0.00 43 64 19100 -77.1 -87.1 19 10.0 -77.1 184 10 430.3 430.3 308.9 430.3 0.00 44 58 19667 -77.9 -87.9 18 10.0 -77.9 163 11 440.8 440.8 310.0 440.8 0.00 45 53 20194 -70.3 -88.3 5 18.0 -70.4 97 20 469.9 469.9 312.6 469.9 0.00 46 50 20540 -72.1 -89.1 6 17.0 -72.2 90 32 473.6 473.6 313.0 473.6 0.00 47 48 20778 -69.3 -89.3 4 20.0 -69.5 70 30 485.8 485.8 313.9 485.8 0.00 48 30 23620 -58.4 -85.3 2 26.9 -59.5 90 64 585.4 585.4 319.9 585.5 0.01 49 26 24527 -55.1 -84.1 2 29.0 -56.9 92 63 619.3 619.3 321.5 619.4 0.01 50 20 26220 -50.3 -81.3 1 31.0 -53.7 90 56 682.2 682.2 323.9 682.4 0.03 51 18 26912 -47.7 -80.7 1 33.0 -52.2 86 47 711.3 711.3 324.8 711.6 0.03 TRP 89 17263 -85.9 -89.8 49 3.9 -85.9 215 14 374.0 374.0 301.2 374.0 0.00 WND 30 23620 -58.4 -85.3 2 26.9 -59.5 90 64 585.4 585.4 319.9 585.5 0.01 Sounding variables and indices 1000-500 mb thick: 5782.00 m Freezing level: 562.51 mb = 4966.40 m = 16293.75 ft Wetbulb zero: 665.44 mb = 3589.64 m = 11776.88 ft Precipitable water: 1.81 inches Sfc-500 mean rel hum: 60.89 % Est. max temperature: 31.91 C = 89.45 F Sfc-Lift cond lev (LCL): 921.84 mb = 820.72 m = 2692.63 ft T: 22.41 C 700-500 lapse rate: 6.07 C/km ThetaE index: 16.81 C Layer 1000.0- 850.0 mb Conv cond level (CCL): 849.34 mb = 1531.61 m = 5024.91 ft Mean mixing ratio: 15.22 g/kg Conv temperature: 32.10 C = 89.79 F Cap Strength: 2.04 C Lifted Index: -1.90 C Risk: Thunderstorms probable Lifted Index @300 mb: -0.23 C Lifted Index @700 mb: 0.77 C Showalter Index: -1.84 C Risk: Thunderstorms probable Total Totals Index: 46.40 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.90 C Cross Totals Index: 22.50 C K Index: 33.30 Risk: 60-80 % chance of thunderstorms Sweat Index: 259.80 Risk: None Energy Index: -1.90 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 118.73 J/kg Max Up Vert Vel: 15.41 m/s Conv Inhibition (B-): 158.96 J/kg Cap Strength: 2.02 C Lift Cond Lev (LCL): 888.84 mb = 1137.13 m = 3730.71 ft Lev Free Conv (LFC): 603.84 mb = 4386.20 m = 14390.25 ft Equ Level (EL): 373.84 mb = 8118.74 m = 26635.95 ft B at Equ Level: 110.11 J/kg Max Parcel Lev (MPL): 193.84 mb = 12678.33 m = 41595.06 ft Wind level data Storm motion: 113 at 11 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 75 10 -9.7 -2.6 | 358 7 0.3 -6.8 1 1000 108 120 5 -4.3 2.5 | 287 6 5.6 -1.7 2 978 305 60 18 -15.6 -9.0 | 23 14 -5.7 -13.2 3 944 610 55 21 -17.2 -12.0 | 24 18 -7.3 -16.3 4 925 791 55 25 -20.5 -14.3 | 30 21 -10.6 -18.6 5 912 914 60 25 -21.7 -12.5 | 35 20 -11.7 -16.7 6 880 1219 65 27 -24.5 -11.4 | 43 21 -14.5 -15.6 7 850 1524 75 21 -20.3 -5.4 | 47 14 -10.4 -9.7 8 850 1525 70 24 -22.6 -8.2 | 45 18 -12.6 -12.4 9 791 2134 60 16 -13.9 -8.0 | 18 13 -3.9 -12.2 10 763 2438 65 19 -17.2 -8.0 | 31 14 -7.3 -12.3 11 736 2743 105 15 -14.5 3.9 | 86 5 -4.6 -0.3 12 700 3170 90 15 -15.0 0.0 | 50 7 -5.1 -4.2 13 684 3353 85 11 -11.0 -1.0 | 11 5 -1.0 -5.2 14 611 4267 125 5 -4.1 2.9 | 283 6 5.8 -1.4 15 567 4877 130 2 -1.5 1.3 | 289 9 8.4 -2.9 16 546 5182 115 13 -11.8 5.5 | 124 2 -1.9 1.3 17 506 5791 145 16 -9.2 13.1 | 185 9 0.7 8.9 18 500 5890 120 15 -13.0 7.5 | 137 4 -3.1 3.3 19 487 6096 110 15 -14.1 5.1 | 102 4 -4.2 0.9 20 468 6401 110 11 -10.3 3.8 | 42 1 -0.4 -0.5 21 416 7315 25 3 -1.3 -2.7 | 309 11 8.7 -6.9 22 400 7610 355 9 0.8 -9.0 | 321 17 10.7 -13.2 23 368 8230 25 8 -3.4 -7.3 | 330 13 6.5 -11.5 24 353 8534 15 10 -2.6 -9.7 | 332 16 7.3 -13.9 25 325 9144 75 11 -10.6 -2.8 | 6 7 -0.7 -7.1 26 312 9449 60 10 -8.7 -5.0 | 352 9 1.3 -9.2 27 300 9730 90 15 -15.0 0.0 | 50 7 -5.1 -4.2 28 274 10363 115 19 -17.2 8.0 | 118 8 -7.3 3.8 29 262 10668 110 21 -19.7 7.2 | 107 10 -9.8 3.0 30 250 11000 115 15 -13.6 6.3 | 120 4 -3.7 2.1 31 240 11278 115 13 -11.8 5.5 | 124 2 -1.9 1.3 32 229 11582 175 2 -0.2 2.0 | 283 10 9.8 -2.2 33 219 11887 250 11 10.3 3.8 | 271 20 20.3 -0.5 34 200 12480 230 18 13.8 11.6 | 253 25 23.7 7.3 35 199 12497 220 15 9.6 11.5 | 250 21 19.6 7.3 36 172 13411 250 33 31.0 11.3 | 260 42 40.9 7.1 37 150 14270 210 27 13.5 23.4 | 231 30 23.4 19.2 38 149 14326 210 27 13.5 23.4 | 231 30 23.4 19.2 39 114 15850 235 33 27.0 18.9 | 248 40 37.0 14.7 40 103 16459 215 20 11.5 16.4 | 240 25 21.4 12.2 41 100 16620 230 13 10.0 8.4 | 258 20 19.9 4.1 42 97 16764 230 13 10.0 8.4 | 258 20 19.9 4.1 43 89 17263 215 14 8.0 11.5 | 248 19 18.0 7.2 44 87 17374 205 18 7.6 16.3 | 235 21 17.5 12.1 45 83 17678 295 13 11.8 -5.5 | 294 24 21.7 -9.7 46 78 17983 265 12 12.0 1.0 | 278 22 21.9 -3.2 47 74 18288 215 10 5.7 8.2 | 256 16 15.7 4.0 48 70 18590 335 2 0.8 -1.8 | 299 12 10.8 -6.0 49 66 18898 205 2 0.8 1.8 | 283 11 10.8 -2.4 50 63 19202 175 14 -1.2 13.9 | 222 13 8.7 9.7 51 57 19812 160 10 -3.4 9.4 | 231 8 6.5 5.2 52 54 20117 105 18 -17.4 4.7 | 93 7 -7.5 0.4 53 51 20422 75 24 -23.2 -6.2 | 52 17 -13.3 -10.4 54 50 20540 90 32 -32.0 0.0 | 79 22 -22.1 -4.2 55 48 20726 65 29 -26.3 -12.3 | 45 23 -16.4 -16.5 56 46 21031 90 32 -32.0 0.0 | 79 22 -22.1 -4.2 57 40 21946 85 54 -53.8 -4.7 | 78 45 -43.9 -8.9 58 36 22555 100 59 -58.1 10.2 | 97 49 -48.2 6.0 59 32 23165 90 55 -55.0 0.0 | 85 45 -45.1 -4.2 60 31 23470 100 58 -57.1 10.1 | 97 48 -47.2 5.9 61 30 23620 90 64 -64.0 0.0 | 86 54 -54.1 -4.2 62 29 23774 90 64 -64.0 0.0 | 86 54 -54.1 -4.2 63 22 25603 95 61 -60.8 5.3 | 91 51 -50.8 1.1 64 20 26213 90 60 -60.0 0.0 | 85 50 -50.1 -4.2 65 20 26220 90 56 -56.0 0.0 | 85 46 -46.1 -4.2 66 16 27127 80 35 -34.5 -6.1 | 67 27 -24.5 -10.3 Wind Parameters Mean winds (0-6000m): 83.0 at 14.4 knts Storm direction: 113.0 at 10.8 knts Shear (0-3000m) pos: 2.3 neg: 1.5 tot: 3.8 10-3/s Storm rel Dir Shear (0-3000m): 59.8 deg Storm rel helicity (0-3000m) pos: 77.4 neg: -38.5 tot: 39.0 m^2/s^2 ave: 13.0 10^-3 m/s^2 rel: 0.19 Storm rel vorticity (0-3000m) horiz: 11.1 stream: 2.1 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 33.61 Bulk Shear: 3.53 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 63 15 18 12| 0.0 11.9 11.9| 7.1 -6.0 1.1 2.3 0.15| 23.4 3.4 1000 60 20 26 16| 3.1 5.9 9.1| 34.9 -6.0 28.9 28.9 0.28| 15.6 4.4 1500 63 21 33 17| 2.1 4.0 6.0| 49.1 -9.0 40.0 26.7 0.27| 13.4 3.6 2000 64 21 33 16| 1.5 2.3 3.8| 49.1 -33.0 16.1 8.0 0.10| 11.9 1.2 2500 64 20 32 16| 2.3 1.8 4.2| 69.1 -35.2 34.0 13.6 0.18| 11.3 2.1 3000 68 20 35 14| 2.3 1.5 3.8| 77.4 -38.5 39.0 13.0 0.19| 11.1 2.1 4000 72 17 33 11| 1.9 1.1 3.0| 77.4 -50.3 27.2 6.8 0.03| 9.9 0.3 5000 75 14 26 9| 1.6 0.8 2.4| 79.0 -53.8 25.2 5.0 0.01| 9.0 0.1 6000 83 14 36 7| 1.7 1.2 2.9| 84.3 -64.9 19.4 3.2 -0.07| 9.4 -0.6 Wrote GIF file: /home/apache/climate/data/raob//SBSN/skewt/SBSN.skewt.20251211.12.gif