UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120800.upa.cvt Date: 0000Z 8 DEC 25 Searching for SBSN... Searching the city database file for: SBSN ... Date:0000Z 8 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 28.0 23.4 76 4.6 24.6 300 2 300.7 304.1 297.6 354.6 18.32 1 1000 101 27.0 23.5 81 3.5 24.5 300 2 300.1 303.5 297.6 354.5 18.53 2 985 235 25.4 23.2 88 2.2 23.8 339 8 299.8 303.2 297.5 354.0 18.47 3 971 361 26.0 21.0 74 5.0 22.4 5 10 301.7 304.7 296.6 349.8 16.33 4 925 789 23.2 22.0 93 1.2 22.3 70 6 303.0 306.4 298.2 357.3 18.28 5 896 1068 22.6 19.3 82 3.3 20.2 74 11 305.2 308.1 297.3 352.8 15.92 6 850 1526 18.4 18.0 98 0.4 18.1 70 19 305.4 308.3 297.0 351.7 15.46 7 830 1730 16.8 16.5 98 0.3 16.6 63 24 305.8 308.5 296.4 348.9 14.38 8 780 2260 15.0 10.8 76 4.2 12.3 63 19 309.4 311.3 294.6 341.3 10.49 9 701 3158 9.8 5.1 73 4.7 7.0 45 9 313.2 314.7 293.7 337.7 7.88 10 700 3170 9.8 5.3 74 4.5 7.1 45 9 313.3 314.9 293.9 338.2 8.01 11 618 4191 2.6 1.7 94 0.9 2.1 12 6 316.4 317.8 294.0 338.6 7.02 12 613 4257 3.2 1.3 87 1.9 2.1 7 5 317.9 319.2 294.3 339.7 6.88 13 537 5316 -3.7 -5.0 91 1.3 -4.3 350 5 321.9 322.9 293.8 337.9 4.92 14 520 5570 -2.7 -15.7 36 13.0 -7.7 341 7 326.1 326.5 292.7 333.5 2.16 15 500 5880 -5.3 -10.3 68 5.0 -7.5 330 8 326.6 327.3 293.9 338.3 3.49 16 492 6007 -6.1 -10.3 72 4.2 -7.9 353 10 327.1 327.8 294.1 339.1 3.55 17 453 6653 -9.1 -17.1 52 8.0 -12.0 59 11 331.2 331.6 294.0 338.9 2.21 18 446 6774 -9.9 -14.2 71 4.3 -11.6 70 10 331.6 332.2 294.7 341.5 2.86 19 435 6967 -11.1 -20.1 47 9.0 -14.1 87 10 332.5 332.8 294.0 338.8 1.78 20 420 7237 -12.9 -15.9 78 3.0 -14.0 111 9 333.5 334.1 295.0 342.7 2.64 21 403 7553 -13.7 -21.7 51 8.0 -16.2 140 8 336.5 336.8 294.9 342.5 1.67 22 400 7610 -14.1 -22.1 51 8.0 -16.6 145 8 336.7 337.0 294.9 342.5 1.63 23 300 9720 -30.5 -33.0 79 2.5 -30.9 150 14 342.4 342.6 295.6 345.4 0.79 24 294 9863 -31.5 -33.2 85 1.7 -31.8 150 14 343.0 343.1 295.7 346.0 0.79 25 271 10435 -35.7 -42.7 49 7.0 -36.5 132 16 344.9 345.0 295.8 346.2 0.33 26 251 10963 -40.5 -43.5 73 3.0 -40.8 144 25 345.5 345.5 295.9 346.8 0.32 27 250 10990 -40.7 -44.2 69 3.5 -41.0 145 25 345.6 345.6 295.9 346.8 0.30 28 200 12470 -54.3 -58.5 60 4.2 -54.4 150 28 346.8 346.8 296.0 347.1 0.07 29 193 12697 -56.1 -61.1 53 5.0 -56.2 152 27 347.4 347.5 296.1 347.7 0.05 30 180 13136 -58.7 -67.7 30 9.0 -58.8 155 24 350.2 350.2 296.7 350.3 0.02 31 167 13600 -63.1 -69.1 44 6.0 -63.1 151 35 350.4 350.5 296.7 350.5 0.02 32 150 14250 -68.3 -74.3 42 6.0 -68.4 145 50 352.4 352.4 297.2 352.5 0.01 33 149 14290 -68.5 -75.5 36 7.0 -68.5 145 50 352.8 352.8 297.3 352.8 0.01 34 134 14920 -71.1 -82.1 18 11.0 -71.1 145 39 359.0 359.0 298.5 359.0 0.00 35 109 16118 -78.1 -85.1 31 7.0 -78.1 205 22 367.7 367.7 300.1 367.7 0.00 36 100 16610 -77.5 -86.5 22 9.0 -77.5 20 1 378.0 378.0 301.9 378.0 0.00 37 81 17799 -82.9 -89.9 29 7.0 -82.9 310 16 390.4 390.4 303.9 390.4 0.00 38 70 18620 -79.1 -88.1 21 9.0 -79.1 195 21 415.2 415.2 307.2 415.2 0.00 39 50 20560 -71.1 -89.1 5 18.0 -71.2 70 25 475.9 475.9 313.1 476.0 0.00 40 39 22046 -67.7 -90.7 2 23.0 -67.9 93 48 519.6 519.6 316.3 519.6 0.00 41 37 22363 -68.1 -91.1 2 23.0 -68.4 88 52 526.4 526.4 316.7 526.5 0.00 42 31 23446 -60.9 -88.9 1 28.0 -61.7 90 53 573.2 573.2 319.3 573.2 0.00 43 30 23650 -61.1 -89.1 1 28.0 -61.9 90 57 578.1 578.1 319.6 578.1 0.00 44 27 24305 -60.5 -88.5 1 28.0 -61.4 95 62 597.4 597.4 320.5 597.5 0.01 45 24 25045 -57.0 -87.2 1 30.2 -58.5 95 73 628.2 628.2 321.8 628.2 0.01 46 23 25315 -55.7 -86.7 1 31.0 -57.5 95 73 639.6 639.6 322.3 639.7 0.01 47 23 25315 -55.7 -86.7 1 31.0 -57.5 95 73 639.6 639.6 322.3 639.7 0.01 TRP 81 17799 -82.9 -89.9 29 7.0 -82.9 310 16 390.4 390.4 303.9 390.4 0.00 WND 24 25045 -57.0 -87.2 1 30.2 -58.5 95 73 628.2 628.2 321.8 628.2 0.01 Sounding variables and indices 1000-500 mb thick: 5779.00 m Freezing level: 577.75 mb = 4747.81 m = 15576.62 ft Wetbulb zero: 587.89 mb = 4591.20 m = 15062.82 ft Precipitable water: 2.33 inches Sfc-500 mean rel hum: 81.87 % Est. max temperature: 32.68 C = 90.83 F Sfc-Lift cond lev (LCL): 940.42 mb = 643.41 m = 2110.90 ft T: 24.15 C 700-500 lapse rate: 5.57 C/km ThetaE index: 19.56 C Layer 896.0- 700.0 mb Conv cond level (CCL): 872.10 mb = 1302.98 m = 4274.82 ft Mean mixing ratio: 17.58 g/kg Conv temperature: 32.60 C = 90.67 F Cap Strength: 2.07 C Lifted Index: -3.74 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -4.24 C Lifted Index @700 mb: -1.88 C Showalter Index: -2.92 C Risk: Severe thunderstorms possible Total Totals Index: 47.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.70 C Cross Totals Index: 23.30 C K Index: 37.20 Risk: > 80 % chance of thunderstorms Sweat Index: 262.00 Risk: None Energy Index: -2.71 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1597.14 J/kg Max Up Vert Vel: 56.52 m/s Conv Inhibition (B-): 34.43 J/kg Cap Strength: 2.02 C Lift Cond Lev (LCL): 914.71 mb = 887.04 m = 2910.21 ft Lev Free Conv (LFC): 849.71 mb = 1528.95 m = 5016.18 ft Equ Level (EL): 139.71 mb = 14672.44 m = 48137.33 ft B at Equ Level: 1566.60 J/kg Max Parcel Lev (MPL): 79.71 mb = 17889.84 m = 58693.00 ft Wind level data Storm motion: 76 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 60 300 2 1.7 -1.0 | 265 9 9.3 0.9 1 1000 101 300 2 1.7 -1.0 | 265 9 9.3 0.9 2 977 305 360 11 -0.0 -11.0 | 320 12 7.5 -9.1 3 944 610 25 5 -2.1 -4.5 | 296 6 5.4 -2.7 4 925 789 70 6 -5.6 -2.1 | 276 2 1.9 -0.2 5 912 914 75 9 -8.7 -2.3 | 68 1 -1.2 -0.5 6 850 1526 70 19 -17.9 -6.5 | 66 11 -10.3 -4.6 7 820 1829 60 26 -22.5 -13.0 | 53 19 -15.0 -11.1 8 791 2134 65 20 -18.1 -8.5 | 58 12 -10.6 -6.6 9 763 2438 60 18 -15.6 -9.0 | 48 11 -8.0 -7.1 10 736 2743 65 13 -11.8 -5.5 | 49 6 -4.2 -3.6 11 710 3048 40 11 -7.1 -8.4 | 356 7 0.5 -6.6 12 700 3170 45 9 -6.4 -6.4 | 345 5 1.2 -4.5 13 659 3658 50 11 -8.4 -7.1 | 10 5 -0.9 -5.2 14 611 4267 5 5 -0.4 -5.0 | 294 8 7.1 -3.1 15 588 4572 15 2 -0.5 -1.9 | 271 7 7.0 -0.1 16 500 5880 330 8 4.0 -6.9 | 294 13 11.5 -5.1 17 486 6096 10 12 -2.1 -11.8 | 331 11 5.5 -10.0 18 400 7610 145 8 -4.6 6.6 | 199 9 3.0 8.4 19 383 7925 170 12 -2.1 11.8 | 202 15 5.5 13.7 20 368 8230 150 13 -6.5 11.3 | 185 13 1.0 13.1 21 353 8534 140 11 -7.1 8.4 | 183 10 0.5 10.3 22 300 9720 150 14 -7.0 12.1 | 182 14 0.5 14.0 23 286 10058 150 15 -7.5 13.0 | 180 15 0.0 14.9 24 274 10363 130 15 -11.5 9.6 | 161 12 -4.0 11.5 25 250 10990 145 25 -14.3 20.5 | 163 23 -6.8 22.3 26 229 11582 150 29 -14.5 25.1 | 166 28 -7.0 27.0 27 200 12470 150 28 -14.0 24.2 | 166 27 -6.5 26.1 28 180 13106 155 24 -10.1 21.8 | 174 24 -2.6 23.6 29 150 14250 145 50 -28.7 41.0 | 154 48 -21.1 42.8 30 141 14630 145 50 -28.7 41.0 | 154 48 -21.1 42.8 31 120 15545 145 15 -8.6 12.3 | 176 14 -1.1 14.1 32 114 15850 230 12 9.2 7.7 | 240 19 16.7 9.6 33 108 16154 200 24 8.2 22.6 | 213 29 15.7 24.4 34 103 16459 185 17 1.5 16.9 | 206 21 9.0 18.8 35 100 16610 20 1 -0.3 -0.9 | 263 7 7.2 0.9 36 97 16764 90 1 -1.0 0.0 | 254 7 6.5 1.9 37 92 17069 350 12 2.1 -11.8 | 316 14 9.6 -10.0 38 83 17678 345 11 2.8 -10.6 | 310 14 10.4 -8.8 39 81 17799 310 16 12.3 -10.3 | 293 22 19.8 -8.4 40 78 17983 305 12 9.8 -6.9 | 286 18 17.4 -5.0 41 74 18288 225 10 7.1 7.1 | 239 17 14.6 8.9 42 70 18593 220 24 15.4 18.4 | 229 31 23.0 20.2 43 70 18620 195 21 5.4 20.3 | 210 26 13.0 22.1 44 67 18898 190 18 3.1 17.7 | 209 22 10.7 19.6 45 63 19202 235 19 15.6 10.9 | 241 26 23.1 12.8 46 60 19507 240 27 23.4 13.5 | 244 35 30.9 15.4 47 54 20117 170 14 -2.4 13.8 | 198 16 5.1 15.6 48 51 20422 50 11 -8.4 -7.1 | 10 5 -0.9 -5.2 49 50 20560 70 25 -23.5 -8.6 | 67 17 -16.0 -6.7 50 49 20726 50 16 -12.3 -10.3 | 29 10 -4.7 -8.4 51 46 21031 75 36 -34.8 -9.3 | 75 28 -27.2 -7.5 52 40 21946 95 46 -45.8 4.0 | 99 39 -38.3 5.9 53 36 22555 85 55 -54.8 -4.8 | 86 47 -47.3 -2.9 54 34 22860 80 53 -52.2 -9.2 | 81 45 -44.7 -7.3 55 33 23165 90 47 -47.0 0.0 | 93 40 -39.5 1.9 56 30 23650 90 57 -57.0 0.0 | 92 49 -49.5 1.9 57 29 23774 95 54 -53.8 4.7 | 98 47 -46.3 6.6 58 24 25045 95 73 -72.7 6.4 | 97 66 -65.2 8.2 59 23 25298 95 73 -72.7 6.4 | 97 66 -65.2 8.2 60 21 25603 95 71 -70.7 6.2 | 97 64 -63.2 8.0 Wind Parameters Mean winds (0-6000m): 46.1 at 10.4 knts Storm direction: 76.1 at 7.8 knts Shear (0-3000m) pos: 2.2 neg: 1.1 tot: 3.3 10-3/s Storm rel Dir Shear (0-3000m): 90.6 deg Storm rel helicity (0-3000m) pos: 34.6 neg: -32.7 tot: 2.0 m^2/s^2 ave: 0.7 10^-3 m/s^2 rel: 0.01 Storm rel vorticity (0-3000m) horiz: 10.4 stream: 0.1 10^-3/s Energy-Hel index: 0.34 Bulk Rich Number: 218.93 Bulk Shear: 7.30 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 0 7 305 9| 6.2 0.0 6.2| 29.8 -4.5 25.3 50.7 0.53| 16.4 8.7 1000 32 7 319 6| 6.6 0.0 6.6| 30.3 -5.9 24.4 24.4 0.39| 13.7 5.3 1500 55 10 9 4| 4.4 2.9 7.3| 30.3 -7.7 22.5 15.0 0.27| 12.1 3.3 2000 59 13 37 6| 3.3 2.7 6.0| 34.0 -18.7 15.2 7.6 0.17| 11.8 2.0 2500 60 14 42 7| 2.6 1.1 3.8| 34.5 -24.0 10.5 4.2 0.12| 10.7 1.3 3000 59 14 41 7| 2.2 1.1 3.3| 34.6 -32.7 2.0 0.7 0.01| 10.4 0.1 4000 56 13 31 6| 1.8 1.4 3.1| 37.2 -43.1 -5.9 -1.5 -0.06| 9.0 -0.5 5000 53 11 16 5| 1.4 1.3 2.7| 41.1 -53.2 -12.1 -2.4 -0.09| 8.0 -0.8 6000 46 10 359 5| 1.5 1.3 2.8| 64.2 -53.5 10.7 1.8 0.00| 7.7 0.0 Wrote GIF file: /home/apache/climate/data/raob//SBSN/skewt/SBSN.skewt.20251208.00.gif