UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120412.upa.cvt Date: 1200Z 4 DEC 25 Searching for SBSN... Searching the city database file for: SBSN ... Date:1200Z 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 1007 60 24.4 24.1 98 0.3 24.2 160 5 297.0 300.4 297.1 352.2 19.09 1 1000 126 23.8 22.4 92 1.4 22.8 175 10 297.0 300.1 296.0 347.0 17.30 2 925 807 21.2 18.9 87 2.3 19.6 65 19 301.0 303.7 295.6 345.1 15.02 3 912 930 20.4 17.8 85 2.6 18.6 60 22 301.4 304.0 295.1 343.2 14.20 4 866 1378 16.8 16.8 100 0.0 16.8 63 22 302.1 304.7 295.1 343.6 14.04 5 850 1538 16.2 16.2 100 0.0 16.2 60 19 303.1 305.7 295.3 343.9 13.76 6 700 3173 8.6 8.4 99 0.2 8.5 175 5 312.0 313.9 295.0 342.6 9.94 7 668 3560 7.0 4.8 86 2.2 5.7 252 7 314.4 316.0 294.3 339.7 8.10 8 640 3912 5.0 1.6 79 3.4 3.1 322 10 316.0 317.3 293.6 337.3 6.73 9 556 5049 -1.7 -2.5 94 0.8 -2.1 85 19 321.1 322.2 294.2 339.6 5.74 10 500 5890 -5.5 -6.5 93 1.0 -6.0 120 7 326.3 327.3 294.8 342.0 4.71 11 460 6540 -8.1 -9.5 90 1.4 -8.7 197 7 331.0 331.8 295.4 344.7 4.05 12 400 7610 -14.7 -16.0 90 1.3 -15.2 180 13 335.9 336.4 295.6 345.5 2.75 13 339 8844 -22.5 -24.3 85 1.8 -23.0 175 17 341.5 341.9 296.0 347.3 1.58 14 300 9730 -29.1 -31.9 77 2.8 -29.6 205 20 344.4 344.6 296.1 347.7 0.88 15 282 10171 -32.5 -35.4 75 2.9 -33.0 211 20 345.6 345.8 296.3 348.2 0.67 16 250 11010 -39.7 -42.2 77 2.5 -39.9 215 18 347.0 347.1 296.3 348.5 0.37 17 232 11515 -44.1 -45.8 83 1.7 -44.2 215 19 347.9 347.9 296.4 349.0 0.27 18 208 12236 -50.9 -54.3 67 3.4 -51.0 215 21 348.2 348.3 296.4 348.7 0.11 19 200 12490 -52.9 -56.9 62 4.0 -53.0 215 22 349.0 349.0 296.5 349.4 0.09 20 192 12751 -55.3 -60.2 54 4.9 -55.4 217 22 349.2 349.3 296.5 349.5 0.06 21 163 13770 -64.9 -68.3 63 3.4 -65.0 195 24 349.9 349.9 296.6 350.0 0.02 22 150 14270 -69.7 -74.4 50 4.7 -69.7 200 18 350.0 350.0 296.7 350.1 0.01 23 145 14471 -71.3 -76.3 47 5.0 -71.3 188 17 350.7 350.7 296.8 350.7 0.01 24 122 15476 -77.9 -83.9 37 6.0 -77.9 138 28 356.4 356.4 298.0 356.4 0.00 25 117 15718 -75.1 -84.1 23 9.0 -75.1 135 21 365.8 365.8 299.8 365.8 0.00 26 100 16620 -78.9 -88.9 18 10.0 -78.9 300 21 375.3 375.3 301.5 375.3 0.00 27 80 17861 -87.3 -91.6 45 4.3 -87.3 80 3 382.7 382.7 302.7 382.7 0.00 28 76 18142 -84.7 -91.7 28 7.0 -84.7 80 13 393.8 393.8 304.3 393.8 0.00 29 75 18216 -78.9 -87.9 22 9.0 -78.9 96 19 407.5 407.5 306.2 407.5 0.00 30 73 18370 -77.9 -87.9 18 10.0 -77.9 105 21 412.7 412.7 306.9 412.8 0.00 31 70 18610 -77.9 -87.9 18 10.0 -77.9 90 16 417.7 417.7 307.4 417.7 0.00 32 54 20110 -72.5 -89.5 6 17.0 -72.6 110 15 462.4 462.4 312.0 462.4 0.00 33 50 20560 -73.1 -90.1 6 17.0 -73.2 80 20 471.2 471.2 312.7 471.2 0.00 34 38 22221 -60.7 -89.7 1 29.0 -61.4 94 54 541.3 541.3 317.6 541.3 0.00 35 34 22915 -60.1 -89.1 1 29.0 -60.9 92 51 560.4 560.4 318.6 560.4 0.00 36 30 23700 -58.7 -88.7 1 30.0 -59.7 100 55 584.6 584.6 319.9 584.6 0.00 37 29 23913 -58.5 -88.5 1 30.0 -59.6 102 56 590.9 590.9 320.2 590.9 0.01 38 26 24596 -61.9 -89.9 1 28.0 -62.7 101 62 599.9 600.0 320.6 600.0 0.00 39 23 25360 -59.3 -89.3 1 30.0 -60.6 92 69 629.0 629.0 321.9 629.0 0.01 40 20 26250 -52.9 -87.1 1 34.2 -55.6 85 70 674.2 674.2 323.6 674.3 0.01 41 17 27316 -45.5 -84.5 0 39.0 -51.0 85 66 730.1 730.1 325.4 730.2 0.02 TRP 80 17861 -87.3 -91.6 45 4.3 -87.3 80 3 382.7 382.7 302.7 382.7 0.00 WND 20 26250 -52.9 -87.1 1 34.2 -55.6 85 70 674.2 674.2 323.6 674.3 0.01 Sounding variables and indices 1000-500 mb thick: 5764.00 m Freezing level: 577.31 mb = 4760.17 m = 15617.17 ft Wetbulb zero: 590.41 mb = 4563.38 m = 14971.54 ft Precipitable water: 2.40 inches Sfc-500 mean rel hum: 92.41 % Est. max temperature: 30.14 C = 86.25 F Sfc-Lift cond lev (LCL): 1003.08 mb = 96.90 m = 317.93 ft T: 24.06 C 700-500 lapse rate: 5.19 C/km ThetaE index: 9.06 C Layer 1000.0- 866.0 mb Conv cond level (CCL): 899.60 mb = 1048.74 m = 3440.70 ft Mean mixing ratio: 15.98 g/kg Conv temperature: 29.04 C = 84.27 F Cap Strength: 1.38 C Lifted Index: -1.07 C Risk: Thunderstorms probable Lifted Index @300 mb: 1.52 C Lifted Index @700 mb: -0.85 C Showalter Index: -0.25 C Risk: Thunderstorms probable Total Totals Index: 43.40 C Risk: None Vertical Totals Index: 21.70 C Cross Totals Index: 21.70 C K Index: 37.70 Risk: > 80 % chance of thunderstorms Sweat Index: 239.40 Risk: None Energy Index: -0.48 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 196.64 J/kg Max Up Vert Vel: 19.83 m/s Conv Inhibition (B-): 12.83 J/kg Cap Strength: 1.38 C Lift Cond Lev (LCL): 930.62 mb = 754.08 m = 2473.99 ft Lev Free Conv (LFC): 875.62 mb = 1282.39 m = 4207.28 ft Equ Level (EL): 455.62 mb = 6612.94 m = 21695.75 ft B at Equ Level: 195.92 J/kg Max Parcel Lev (MPL): 235.62 mb = 11410.65 m = 37436.07 ft Wind level data Storm motion: 98 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 1007 60 160 5 -1.7 4.7 | 249 9 8.3 3.3 1 1000 126 175 10 -0.9 10.0 | 227 12 9.1 8.5 2 980 305 130 9 -6.9 5.8 | 215 5 3.1 4.3 3 946 610 70 18 -16.9 -6.2 | 42 10 -6.9 -7.6 4 925 807 65 19 -17.2 -8.0 | 37 12 -7.2 -9.5 5 914 914 60 22 -19.1 -11.0 | 36 15 -9.1 -12.4 6 882 1219 65 25 -22.7 -10.6 | 47 17 -12.7 -12.0 7 850 1538 60 19 -16.5 -9.5 | 31 13 -6.5 -10.9 8 821 1829 55 17 -13.9 -9.8 | 19 12 -3.9 -11.2 9 792 2134 70 13 -12.2 -4.4 | 21 6 -2.2 -5.9 10 764 2438 65 10 -9.1 -4.2 | 351 6 0.9 -5.7 11 710 3048 100 1 -1.0 0.2 | 278 9 9.0 -1.3 12 700 3173 175 5 -0.4 5.0 | 250 10 9.5 3.5 13 635 3962 335 10 4.2 -9.1 | 307 18 14.2 -10.5 14 611 4267 25 11 -4.6 -10.0 | 335 13 5.3 -11.4 15 567 4877 90 18 -18.0 0.0 | 80 8 -8.0 -1.4 16 526 5486 70 23 -21.6 -7.9 | 51 15 -11.6 -9.3 17 506 5791 95 10 -10.0 0.9 | 359 1 0.0 -0.6 18 500 5890 120 7 -6.1 3.5 | 242 4 3.9 2.1 19 487 6096 150 7 -3.5 6.1 | 235 8 6.5 4.6 20 468 6401 180 5 0.0 5.0 | 250 11 10.0 3.6 21 450 6706 220 10 6.4 7.7 | 249 18 16.4 6.2 22 416 7315 185 11 1.0 11.0 | 229 14 10.9 9.5 23 400 7610 180 13 0.0 13.0 | 221 15 10.0 11.6 24 368 8230 170 16 -2.8 15.8 | 207 16 7.2 14.3 25 339 8839 175 17 -1.5 16.9 | 209 18 8.5 15.5 26 325 9144 195 16 4.1 15.5 | 225 20 14.1 14.0 27 300 9730 205 20 8.5 18.1 | 228 25 18.4 16.7 28 299 9754 195 19 4.9 18.4 | 221 23 14.9 16.9 29 286 10058 210 20 10.0 17.3 | 232 26 20.0 15.9 30 250 11010 215 18 10.3 14.7 | 237 24 20.3 13.3 31 200 12490 215 22 12.6 18.0 | 234 28 22.6 16.6 32 181 13106 220 22 14.1 16.9 | 237 29 24.1 15.4 33 164 13716 195 24 6.2 23.2 | 217 27 16.2 21.7 34 150 14270 200 18 6.2 16.9 | 226 22 16.1 15.5 35 134 14935 160 16 -5.5 15.0 | 198 14 4.5 13.6 36 120 15545 135 30 -21.2 21.2 | 150 23 -11.2 19.8 37 114 15850 135 14 -9.9 9.9 | 181 8 0.1 8.5 38 108 16154 295 10 9.1 -4.2 | 287 20 19.0 -5.7 39 103 16459 285 26 25.1 -6.7 | 283 36 35.1 -8.2 40 100 16620 300 21 18.2 -10.5 | 293 31 28.2 -11.9 41 97 16764 295 23 20.8 -9.7 | 290 33 30.8 -11.2 42 92 17069 315 18 12.7 -12.7 | 302 27 22.7 -14.2 43 87 17374 310 11 8.4 -7.1 | 295 20 18.4 -8.5 44 80 17861 80 3 -3.0 -0.5 | 286 7 7.0 -2.0 45 78 17983 45 2 -1.4 -1.4 | 288 9 8.6 -2.9 46 74 18288 110 23 -21.6 7.9 | 119 13 -11.6 6.4 47 70 18610 90 16 -16.0 0.0 | 76 6 -6.0 -1.4 48 67 18898 70 20 -18.8 -6.8 | 47 12 -8.8 -8.3 49 63 19202 120 11 -9.5 5.5 | 186 4 0.5 4.1 50 60 19507 135 18 -12.7 12.7 | 166 12 -2.8 11.3 51 54 20117 110 15 -14.1 5.1 | 132 6 -4.1 3.7 52 51 20422 45 16 -11.3 -11.3 | 6 13 -1.3 -12.8 53 50 20560 80 20 -19.7 -3.5 | 63 11 -9.7 -4.9 54 49 20726 65 17 -15.4 -7.2 | 32 10 -5.4 -8.6 55 46 21031 90 26 -26.0 0.0 | 85 16 -16.0 -1.4 56 42 21641 110 47 -44.2 16.1 | 113 37 -34.2 14.6 57 40 21946 95 56 -55.8 4.9 | 94 46 -45.8 3.4 58 31 23470 90 48 -48.0 0.0 | 88 38 -38.0 -1.4 59 30 23700 100 55 -54.2 9.6 | 100 45 -44.2 8.1 60 27 24384 105 58 -56.0 15.0 | 106 48 -46.0 13.6 61 24 24994 95 69 -68.7 6.0 | 94 59 -58.8 4.6 62 20 26250 85 70 -69.7 -6.1 | 83 60 -59.8 -7.5 63 19 26518 85 70 -69.7 -6.1 | 83 60 -59.8 -7.5 64 14 27432 85 58 -57.8 -5.1 | 82 48 -47.8 -6.5 Wind Parameters Mean winds (0-6000m): 68.3 at 13.4 knts Storm direction: 98.3 at 10.1 knts Shear (0-3000m) pos: 3.1 neg: 3.5 tot: 6.6 10-3/s Storm rel Dir Shear (0-3000m): 28.3 deg Storm rel helicity (0-3000m) pos: 10.4 neg: -69.4 tot: -58.9 m^2/s^2 ave: -19.6 10^-3 m/s^2 rel: -0.56 Storm rel vorticity (0-3000m) horiz: 10.7 stream: -5.9 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 12.24 Bulk Shear: 16.06 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 ------------------------------------------------------------------------------- 500 121 11 188 4| 0.0 16.9 16.9| 0.0 -25.7 -25.7 -51.4 -0.73| 25.8-18.8 1000 80 16 52 7| 0.0 12.7 12.7| 4.9 -33.6 -28.7 -28.7 -0.57| 18.1-10.4 1500 72 18 45 10| 0.0 7.0 7.0| 9.6 -48.3 -38.7 -25.8 -0.54| 14.5 -7.9 2000 68 18 39 10| 1.3 5.2 6.6| 10.4 -55.0 -44.6 -22.3 -0.51| 12.5 -6.4 2500 68 16 35 9| 2.3 4.2 6.4| 10.4 -62.4 -52.0 -20.8 -0.54| 11.3 -6.1 3000 68 14 26 8| 3.1 3.5 6.6| 10.4 -69.4 -58.9 -19.6 -0.56| 10.7 -5.9 4000 64 12 10 7| 2.3 2.6 4.9| 98.9 -79.2 19.7 4.9 -0.21| 11.8 -2.5 5000 64 13 13 7| 0.8 2.1 2.9|159.7 -81.6 78.1 15.6 0.01| 12.1 0.1 6000 68 13 21 7| 1.9 1.9 3.8|164.3 -94.7 69.6 11.6 -0.06| 12.7 -0.8 Wrote GIF file: /home/apache/climate/data/raob//SBSN/skewt/SBSN.skewt.20251204.12.gif