UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120400.upa.cvt Date: 0000Z 4 DEC 25 Searching for SBSN... Searching the city database file for: SBSN ... Date:0000Z 4 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 1004 60 27.0 23.9 83 3.1 24.7 0 0 299.8 303.3 297.7 355.3 18.92 1 1000 97 28.4 23.4 74 5.0 24.7 0 0 301.5 304.9 297.9 355.9 18.41 2 997 124 29.6 22.6 66 7.0 24.5 12 2 303.0 306.3 297.7 355.1 17.57 3 958 480 28.2 20.2 62 8.0 22.5 90 17 305.1 308.0 297.1 352.1 15.74 4 925 791 25.8 18.8 65 7.0 20.8 90 19 305.7 308.5 296.7 350.4 14.93 5 850 1531 20.2 15.2 73 5.0 16.8 45 18 307.3 309.7 295.8 346.2 12.89 6 785 2212 14.6 13.4 93 1.2 13.8 29 15 308.4 310.7 295.7 346.0 12.41 7 745 2654 13.4 4.4 54 9.0 8.2 354 5 311.7 313.1 292.7 333.6 7.05 8 717 2976 11.0 8.0 82 3.0 9.1 353 4 312.5 314.3 294.7 341.7 9.44 9 700 3177 10.4 3.4 62 7.0 6.3 5 4 314.0 315.3 293.3 335.9 7.00 10 695 3237 10.4 2.4 58 8.0 5.8 5 4 314.6 315.9 293.2 335.3 6.56 11 674 3492 8.4 6.1 85 2.3 7.0 4 3 315.2 316.9 295.0 342.7 8.80 12 588 4606 0.8 0.8 100 0.0 0.8 335 1 318.9 320.2 294.6 340.9 6.92 13 573 4814 0.8 -1.4 85 2.2 -0.4 319 2 321.2 322.4 294.5 340.8 6.04 14 549 5158 -0.7 -4.8 74 4.1 -2.7 293 3 323.4 324.4 294.2 339.4 4.88 15 500 5900 -5.1 -7.9 81 2.8 -6.4 235 5 326.8 327.7 294.6 340.9 4.22 16 480 6219 -6.9 -10.1 78 3.2 -8.3 259 5 328.4 329.2 294.6 340.9 3.70 17 400 7620 -14.3 -28.3 29 14.0 -17.9 5 2 336.4 336.6 294.3 339.8 0.93 18 399 7639 -14.3 -28.3 29 14.0 -17.9 5 2 336.6 336.8 294.3 340.1 0.93 19 380 8008 -16.9 -36.9 16 20.0 -20.8 11 4 337.9 338.0 294.2 339.6 0.42 20 341 8813 -23.3 -34.3 36 11.0 -25.4 55 3 339.9 340.0 294.8 342.2 0.61 21 330 9053 -25.3 -32.3 52 7.0 -26.7 72 2 340.3 340.5 295.1 343.2 0.77 22 327 9119 -25.9 -30.3 66 4.4 -26.8 77 1 340.4 340.6 295.3 343.9 0.94 23 317 9344 -26.9 -38.9 31 12.0 -28.7 102 5 342.0 342.1 295.2 343.7 0.42 24 300 9740 -29.9 -42.9 27 13.0 -31.5 150 15 343.2 343.3 295.4 344.4 0.29 25 278 10281 -33.1 -50.1 17 17.0 -34.6 149 15 346.2 346.2 295.9 346.8 0.14 26 259 10776 -37.5 -57.5 11 20.0 -38.7 142 16 346.8 346.8 296.0 347.1 0.06 27 250 11020 -39.7 -55.7 17 16.0 -40.6 160 20 347.0 347.1 296.1 347.4 0.08 28 246 11129 -40.7 -51.7 30 11.0 -41.4 162 22 347.2 347.2 296.1 347.7 0.13 29 243 11212 -41.3 -54.3 23 13.0 -42.1 163 23 347.5 347.5 296.1 347.9 0.10 30 232 11524 -43.7 -47.8 64 4.1 -44.0 169 28 348.5 348.5 296.5 349.4 0.22 31 223 11787 -45.3 -50.0 59 4.7 -45.6 167 29 350.0 350.0 296.8 350.7 0.18 32 200 12500 -51.7 -55.8 61 4.1 -51.8 175 37 350.9 350.9 296.9 351.3 0.10 33 196 12631 -53.1 -55.8 72 2.7 -53.2 175 42 350.7 350.7 296.9 351.1 0.10 34 177 13281 -58.3 -66.3 35 8.0 -58.5 180 44 352.5 352.6 297.2 352.7 0.03 35 150 14300 -67.7 -72.7 49 5.0 -67.7 180 39 353.5 353.5 297.4 353.5 0.01 36 149 14340 -68.3 -73.1 50 4.8 -68.4 180 39 353.1 353.1 297.3 353.2 0.01 37 135 14926 -73.5 -79.5 39 6.0 -73.5 180 40 354.0 354.0 297.5 354.0 0.01 38 120 15607 -78.9 -83.9 44 5.0 -78.9 171 32 356.2 356.2 298.0 356.2 0.00 39 101 16584 -80.9 -87.9 30 7.0 -80.9 344 14 370.4 370.4 300.7 370.4 0.00 40 100 16640 -81.3 -88.3 30 7.0 -81.3 330 18 370.6 370.6 300.7 370.7 0.00 41 78 18012 -87.3 -91.6 45 4.3 -87.3 75 11 385.5 385.5 303.1 385.5 0.00 42 75 18226 -84.3 -89.2 42 4.9 -84.3 99 13 396.1 396.1 304.7 396.1 0.00 43 72 18451 -85.7 -91.7 33 6.0 -85.7 108 20 397.8 397.8 304.9 397.8 0.00 44 71 18529 -78.5 -88.5 18 10.0 -78.5 109 23 414.8 414.8 307.1 414.8 0.00 45 70 18610 -77.5 -86.5 22 9.0 -77.5 225 15 418.6 418.6 307.6 418.6 0.00 46 62 19301 -79.5 -88.5 21 9.0 -79.6 189 15 428.9 428.9 308.7 428.9 0.00 47 58 19679 -78.7 -89.7 15 11.0 -78.7 190 15 439.0 439.0 309.8 439.0 0.00 48 55 19987 -71.3 -90.3 4 19.0 -71.4 118 11 462.7 462.7 312.0 462.7 0.00 49 52 20319 -70.9 -90.9 4 20.0 -71.1 82 20 471.1 471.1 312.7 471.1 0.00 50 50 20550 -72.3 -90.3 5 18.0 -72.4 85 30 473.1 473.1 312.9 473.1 0.00 51 48 20790 -73.7 -91.7 5 18.0 -73.8 93 23 475.3 475.3 313.1 475.3 0.00 52 39 22036 -64.7 -91.7 1 27.0 -65.1 86 45 527.2 527.2 316.8 527.2 0.00 53 34 22876 -64.7 -91.7 1 27.0 -65.1 82 53 548.3 548.3 318.0 548.3 0.00 54 30 23650 -60.5 -91.5 1 31.0 -61.4 85 58 579.7 579.7 319.6 579.7 0.00 55 28 24079 -60.9 -91.9 1 31.0 -61.8 85 56 590.1 590.1 320.2 590.2 0.00 56 27 24308 -56.9 -90.9 1 34.0 -58.3 89 57 607.6 607.6 320.9 607.6 0.00 57 23 25327 -55.2 -90.0 1 34.8 -57.1 95 77 641.1 641.1 322.3 641.2 0.01 58 22 25611 -54.7 -89.7 1 35.0 -56.8 95 77 650.8 650.8 322.7 650.8 0.01 TRP 78 18012 -87.3 -91.6 45 4.3 -87.3 75 11 385.5 385.5 303.1 385.5 0.00 WND 23 25327 -55.2 -90.0 1 34.8 -57.1 95 77 641.1 641.1 322.3 641.2 0.01 Sounding variables and indices 1000-500 mb thick: 5803.00 m Freezing level: 560.20 mb = 4997.39 m = 16395.43 ft Wetbulb zero: 578.00 mb = 4744.29 m = 15565.05 ft Precipitable water: 2.20 inches Sfc-500 mean rel hum: 77.74 % Est. max temperature: 34.42 C = 93.96 F Sfc-Lift cond lev (LCL): 960.25 mb = 459.17 m = 1506.45 ft T: 28.28 C 700-500 lapse rate: 5.69 C/km ThetaE index: 22.26 C Layer 997.0- 717.0 mb Conv cond level (CCL): 822.96 mb = 1807.80 m = 5931.02 ft Mean mixing ratio: 15.89 g/kg Conv temperature: 34.96 C = 94.93 F Cap Strength: 2.28 C Lifted Index: -2.89 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -2.67 C Lifted Index @700 mb: -0.78 C Showalter Index: -0.73 C Risk: Thunderstorms probable Total Totals Index: 45.60 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.30 C Cross Totals Index: 20.30 C K Index: 33.50 Risk: 60-80 % chance of thunderstorms Sweat Index: 223.40 Risk: None Energy Index: -1.08 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 834.61 J/kg Max Up Vert Vel: 40.86 m/s Conv Inhibition (B-): 63.19 J/kg Cap Strength: 2.28 C Lift Cond Lev (LCL): 859.39 mb = 1434.86 m = 4707.50 ft Lev Free Conv (LFC): 794.39 mb = 2110.30 m = 6923.48 ft Equ Level (EL): 184.39 mb = 13019.92 m = 42715.74 ft B at Equ Level: 833.74 J/kg Max Parcel Lev (MPL): 84.39 mb = 17576.90 m = 57666.31 ft Wind level data Storm motion: 85 at 6 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 0 0 -0.0 -0.0 | 265 6 6.0 0.6 1 1000 97 0 0 -0.0 -0.0 | 265 6 6.0 0.6 2 977 305 90 15 -15.0 0.0 | 93 9 -9.0 0.6 3 944 610 90 19 -19.0 0.0 | 92 13 -13.0 0.6 4 925 791 90 19 -19.0 0.0 | 92 13 -13.0 0.6 5 912 914 85 20 -19.9 -1.7 | 85 14 -14.0 -1.2 6 850 1531 45 18 -12.7 -12.7 | 29 14 -6.8 -12.2 7 792 2134 30 16 -8.0 -13.9 | 9 13 -2.0 -13.3 8 764 2438 25 10 -4.2 -9.1 | 348 9 1.7 -8.5 9 737 2743 340 3 1.0 -2.8 | 288 7 7.0 -2.3 10 700 3177 5 4 -0.3 -4.0 | 301 7 5.6 -3.4 11 612 4267 0 0 -0.0 -0.0 | 265 6 6.0 0.6 12 500 5900 235 5 4.1 2.9 | 251 11 10.1 3.4 13 487 6096 235 6 4.9 3.4 | 250 12 10.9 4.0 14 450 6706 0 0 -0.0 -0.0 | 265 6 6.0 0.6 15 400 7620 5 2 -0.2 -2.0 | 284 6 5.8 -1.4 16 368 8230 15 6 -1.6 -5.8 | 320 7 4.4 -5.2 17 325 9144 80 1 -1.0 -0.2 | 266 5 5.0 0.4 18 300 9740 150 15 -7.5 13.0 | 174 14 -1.5 13.5 19 299 9754 155 13 -5.5 11.8 | 182 12 0.5 12.3 20 252 10973 140 17 -10.9 13.0 | 160 14 -5.0 13.6 21 250 11020 160 20 -6.8 18.8 | 177 19 -0.9 19.3 22 230 11582 170 29 -5.0 28.6 | 182 29 0.9 29.1 23 210 12192 160 30 -10.3 28.2 | 171 29 -4.3 28.7 24 200 12500 175 37 -3.2 36.9 | 184 38 2.7 37.4 25 191 12802 175 48 -4.2 47.8 | 182 48 1.8 48.4 26 182 13106 180 45 0.0 45.0 | 187 46 6.0 45.6 27 150 14300 180 39 0.0 39.0 | 189 40 6.0 39.6 28 127 15240 180 41 0.0 41.0 | 188 42 6.0 41.6 29 115 15850 165 26 -6.7 25.1 | 178 26 -0.8 25.7 30 109 16154 135 14 -9.9 9.9 | 159 11 -3.9 10.4 31 103 16459 15 4 -1.0 -3.9 | 304 6 4.9 -3.3 32 100 16640 330 18 9.0 -15.6 | 315 21 15.0 -15.0 33 98 16764 330 18 9.0 -15.6 | 315 21 15.0 -15.0 34 93 17069 335 25 10.6 -22.7 | 323 28 16.5 -22.1 35 88 17374 335 14 5.9 -12.7 | 316 17 11.9 -12.1 36 83 17678 25 11 -4.6 -10.0 | 352 10 1.3 -9.4 37 78 17983 30 16 -8.0 -13.9 | 9 13 -2.0 -13.3 38 78 18012 75 11 -10.6 -2.8 | 64 5 -4.7 -2.3 39 74 18288 105 14 -13.5 3.6 | 119 9 -7.6 4.2 40 70 18593 110 25 -23.5 8.6 | 117 20 -17.5 9.1 41 70 18610 225 15 10.6 10.6 | 236 20 16.6 11.2 42 67 18898 225 15 10.6 10.6 | 236 20 16.6 11.2 43 63 19202 180 13 0.0 13.0 | 204 15 6.0 13.6 44 60 19507 205 19 8.0 17.2 | 218 23 14.0 17.8 45 57 19812 180 12 0.0 12.0 | 205 14 6.0 12.6 46 54 20117 80 10 -9.8 -1.7 | 73 4 -3.9 -1.2 47 50 20550 85 30 -29.9 -2.6 | 85 24 -23.9 -2.1 48 49 20726 95 20 -19.9 1.7 | 99 14 -14.0 2.3 49 46 21031 85 32 -31.9 -2.8 | 85 26 -25.9 -2.2 50 42 21641 100 37 -36.4 6.4 | 103 31 -30.5 7.0 51 38 22250 80 49 -48.3 -8.5 | 79 43 -42.3 -8.0 52 30 23650 85 58 -57.8 -5.1 | 85 52 -51.8 -4.5 53 29 23774 85 65 -64.8 -5.7 | 85 59 -58.8 -5.1 54 28 24079 85 56 -55.8 -4.9 | 85 50 -49.8 -4.3 55 24 24994 100 61 -60.1 10.6 | 102 55 -54.1 11.1 56 23 25327 95 77 -76.7 6.7 | 96 71 -70.7 7.3 57 21 25603 95 77 -76.7 6.7 | 96 71 -70.7 7.3 58 20 25908 90 73 -73.0 0.0 | 90 67 -67.0 0.6 Wind Parameters Mean winds (0-6000m): 54.7 at 8.0 knts Storm direction: 84.7 at 6.0 knts Shear (0-3000m) pos: 3.1 neg: 3.2 tot: 6.4 10-3/s Storm rel Dir Shear (0-3000m): 32.9 deg Storm rel helicity (0-3000m) pos: 25.8 neg: -101.5 tot: -75.7 m^2/s^2 ave: -25.2 10^-3 m/s^2 rel: -0.19 Storm rel vorticity (0-3000m) horiz: 10.4 stream: -1.9 10^-3/s Energy-Hel index: 0.12 Bulk Rich Number: 132.44 Bulk Shear: 6.30 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 90 12 96 6| 18.9 0.0 18.9| 23.7 -0.4 23.3 46.6 0.83| 24.7 20.5 1000 88 15 90 10| 9.4 2.5 12.0| 23.7 -18.4 5.3 5.3 0.50| 15.3 7.7 1500 78 17 74 11| 6.3 4.8 11.1| 23.7 -55.6 -31.9 -21.3 0.11| 13.8 1.6 2000 67 17 58 11| 4.7 4.4 9.1| 23.7 -70.2 -46.5 -23.3 0.01| 11.4 0.1 2500 61 16 48 11| 3.8 3.9 7.7| 23.7 -91.9 -68.2 -27.3 -0.14| 11.2 -1.6 3000 58 14 41 9| 3.1 3.2 6.4| 25.8-101.5 -75.7 -25.2 -0.19| 10.4 -1.9 4000 55 11 27 6| 2.4 2.4 4.8| 26.5-106.6 -80.1 -20.0 -0.22| 8.3 -1.8 5000 53 9 14 5| 1.9 2.1 4.1| 28.4-108.1 -79.6 -15.9 -0.20| 7.0 -1.4 6000 55 8 8 4| 1.6 2.0 3.6| 28.4-119.1 -90.6 -15.1 -0.24| 6.3 -1.5 Wrote GIF file: /home/apache/climate/data/raob//SBSN/skewt/SBSN.skewt.20251204.00.gif