UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120712.upa.cvt Date: 1200Z 7 DEC 25 Searching for SBSN... Searching the city database file for: SBSN ... Date:1200Z 7 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 1006 60 27.6 24.7 84 2.9 25.4 110 6 300.2 303.9 298.4 358.5 19.84 1 1000 113 26.4 23.1 82 3.3 24.0 110 6 299.5 302.8 297.1 352.4 18.07 2 957 501 22.6 22.1 97 0.5 22.3 77 20 299.5 302.7 297.0 351.4 17.77 3 925 798 21.2 19.3 89 1.9 19.9 65 26 301.0 303.8 295.8 346.3 15.41 4 850 1530 18.2 15.7 85 2.5 16.5 70 24 305.2 307.7 295.5 345.0 13.32 5 835 1683 17.6 14.7 83 2.9 15.7 73 23 306.1 308.5 295.3 344.3 12.70 6 784 2222 17.0 8.0 55 9.0 11.4 59 20 311.1 312.7 293.7 337.6 8.62 7 778 2287 17.0 7.0 52 10.0 10.9 58 19 311.7 313.3 293.5 336.8 8.10 8 700 3180 10.8 4.8 66 6.0 7.2 30 8 314.4 315.9 294.0 338.6 7.73 9 673 3506 8.2 3.2 71 5.0 5.3 10 6 315.1 316.5 293.7 337.6 7.18 10 653 3755 7.8 -4.2 42 12.0 1.8 352 5 317.4 318.2 292.0 331.2 4.29 11 595 4514 2.0 -1.7 76 3.7 0.0 298 7 319.2 320.3 293.7 337.5 5.69 12 554 5087 -0.3 -5.3 69 5.0 -2.8 281 9 323.1 324.0 293.9 338.4 4.66 13 512 5714 -4.3 -14.3 46 10.0 -8.2 262 11 325.6 326.1 292.8 334.0 2.47 14 500 5900 -6.3 -8.7 83 2.4 -7.4 290 10 325.4 326.1 294.0 338.6 3.97 15 404 7535 -15.7 -22.7 55 7.0 -17.8 97 2 333.6 333.9 294.1 339.1 1.53 16 400 7610 -16.3 -23.3 55 7.0 -18.3 105 2 333.8 334.1 294.1 339.1 1.46 17 363 8335 -21.1 -24.1 77 3.0 -21.9 87 6 336.8 337.1 294.8 342.2 1.50 18 332 8991 -25.1 -32.1 52 7.0 -26.5 127 19 340.0 340.2 295.0 343.0 0.78 19 309 9509 -29.1 -38.1 42 9.0 -30.4 136 23 341.5 341.6 295.1 343.3 0.46 20 300 9720 -30.9 -38.9 45 8.0 -32.0 140 24 341.8 341.9 295.1 343.5 0.44 21 261 10688 -39.9 -42.0 80 2.1 -40.1 121 21 342.5 342.6 295.3 343.9 0.37 22 250 10980 -42.1 -46.9 59 4.8 -42.5 160 18 343.5 343.5 295.4 344.4 0.22 23 245 11116 -43.3 -47.9 60 4.6 -43.6 169 18 343.7 343.7 295.4 344.5 0.20 24 240 11255 -43.9 -54.9 29 11.0 -44.5 178 18 344.8 344.8 295.6 345.2 0.09 25 214 12013 -50.7 -56.7 49 6.0 -50.9 168 26 345.7 345.7 295.7 346.1 0.08 26 201 12418 -54.3 -60.3 48 6.0 -54.5 151 33 346.3 346.3 295.8 346.5 0.06 27 200 12450 -54.5 -59.5 54 5.0 -54.6 150 33 346.5 346.5 295.9 346.7 0.06 28 168 13542 -63.5 -71.5 33 8.0 -63.6 145 35 349.2 349.2 296.5 349.2 0.01 29 150 14230 -67.5 -79.5 17 12.0 -67.5 145 46 353.8 353.8 297.4 353.8 0.00 30 147 14352 -66.7 -80.7 12 14.0 -66.8 154 52 357.2 357.2 298.1 357.3 0.00 31 116 15749 -77.5 -83.5 37 6.0 -77.5 197 19 362.3 362.3 299.1 362.3 0.00 32 101 16543 -77.7 -86.7 22 9.0 -77.7 147 5 376.5 376.5 301.7 376.5 0.00 33 100 16600 -77.7 -86.7 22 9.0 -77.7 120 2 377.6 377.6 301.9 377.6 0.00 34 88 17325 -82.1 -90.1 24 8.0 -82.1 30 11 382.8 382.8 302.7 382.9 0.00 35 73 18381 -79.1 -88.1 21 9.0 -79.1 4 15 410.2 410.2 306.5 410.2 0.00 36 70 18620 -79.7 -88.7 21 9.0 -79.7 305 10 413.9 413.9 307.0 413.9 0.00 37 62 19303 -80.1 -89.1 21 9.0 -80.1 331 1 427.6 427.6 308.6 427.6 0.00 38 61 19395 -76.3 -88.3 13 12.0 -76.3 343 1 438.1 438.1 309.7 438.1 0.00 39 55 19995 -72.9 -89.9 6 17.0 -73.0 64 2 459.0 459.0 311.7 459.0 0.00 40 53 20211 -73.9 -90.9 6 17.0 -74.0 91 5 461.6 461.6 311.9 461.6 0.00 41 50 20550 -72.9 -90.9 5 18.0 -73.0 90 21 471.7 471.7 312.8 471.7 0.00 42 36 22520 -63.9 -91.9 1 28.0 -64.4 91 53 541.5 541.5 317.6 541.5 0.00 43 30 23640 -62.7 -91.7 1 29.0 -63.4 95 58 573.7 573.7 319.3 573.7 0.00 44 28 24067 -61.5 -92.5 1 31.0 -62.3 98 60 588.5 588.5 320.0 588.5 0.00 45 25 24780 -56.3 -90.3 1 34.0 -57.9 104 64 622.8 622.8 321.6 622.8 0.00 46 23 25310 -57.1 -91.1 1 34.0 -58.7 100 68 635.5 635.5 322.1 635.5 0.00 47 20 26210 -49.9 -87.6 0 37.7 -53.4 100 79 683.3 683.3 323.9 683.4 0.01 48 19 26547 -47.3 -86.3 0 39.0 -51.8 100 75 701.6 701.6 324.5 701.7 0.01 TRP 88 17325 -82.1 -90.1 24 8.0 -82.1 30 11 382.8 382.8 302.7 382.9 0.00 WND 20 26210 -49.9 -87.6 0 37.7 -53.4 100 79 683.3 683.3 323.9 683.4 0.01 Sounding variables and indices 1000-500 mb thick: 5787.00 m Freezing level: 559.35 mb = 5012.59 m = 16445.30 ft Wetbulb zero: 594.71 mb = 4517.54 m = 14821.13 ft Precipitable water: 2.09 inches Sfc-500 mean rel hum: 69.56 % Est. max temperature: 32.23 C = 90.02 F Sfc-Lift cond lev (LCL): 965.04 mb = 426.94 m = 1400.69 ft T: 23.32 C 700-500 lapse rate: 6.29 C/km ThetaE index: 21.72 C Layer 1000.0- 700.0 mb Conv cond level (CCL): 909.18 mb = 947.34 m = 3108.03 ft Mean mixing ratio: 17.00 g/kg Conv temperature: 29.21 C = 84.58 F Cap Strength: 2.45 C Lifted Index: -3.39 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -2.56 C Lifted Index @700 mb: 0.17 C Showalter Index: -1.52 C Risk: Thunderstorms probable Total Totals Index: 46.50 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.50 C Cross Totals Index: 22.00 C K Index: 34.20 Risk: 60-80 % chance of thunderstorms Sweat Index: 246.40 Risk: None Energy Index: -1.29 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 957.25 J/kg Max Up Vert Vel: 43.76 m/s Conv Inhibition (B-): 83.70 J/kg Cap Strength: 2.27 C Lift Cond Lev (LCL): 931.80 mb = 733.98 m = 2408.03 ft Lev Free Conv (LFC): 686.80 mb = 3337.86 m = 10950.85 ft Equ Level (EL): 156.80 mb = 13960.76 m = 45802.47 ft B at Equ Level: 934.64 J/kg Max Parcel Lev (MPL): 96.80 mb = 16784.54 m = 55066.72 ft Wind level data Storm motion: 84 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 1006 60 110 6 -5.6 2.1 | 237 6 4.7 3.1 1 1000 113 110 6 -5.6 2.1 | 237 6 4.7 3.1 2 978 305 80 15 -14.8 -2.6 | 70 5 -4.4 -1.6 3 945 610 75 23 -22.2 -6.0 | 67 13 -11.8 -4.9 4 925 798 65 26 -23.6 -11.0 | 53 17 -13.2 -10.0 5 913 914 70 32 -30.1 -10.9 | 63 22 -19.7 -9.9 6 850 1530 70 24 -22.6 -8.2 | 59 14 -12.2 -7.2 7 821 1829 75 22 -21.3 -5.7 | 67 12 -10.9 -4.7 8 792 2134 60 21 -18.2 -10.5 | 39 12 -7.8 -9.5 9 764 2438 55 17 -13.9 -9.8 | 22 9 -3.6 -8.7 10 737 2743 80 15 -14.8 -2.6 | 70 5 -4.4 -1.6 11 700 3180 30 8 -4.0 -6.9 | 313 9 6.4 -5.9 12 660 3658 360 5 -0.0 -5.0 | 291 11 10.4 -4.0 13 612 4267 305 6 4.9 -3.4 | 279 15 15.3 -2.4 14 507 5791 260 11 10.8 1.9 | 262 21 21.2 2.9 15 500 5900 290 10 9.4 -3.4 | 277 20 19.8 -2.4 16 487 6096 310 10 7.7 -6.4 | 287 19 18.0 -5.4 17 400 7610 105 2 -1.9 0.5 | 260 9 8.4 1.5 18 383 7925 220 1 0.6 0.8 | 261 11 11.0 1.8 19 368 8230 90 4 -4.0 0.0 | 261 6 6.4 1.0 20 353 8534 80 11 -10.8 -1.9 | 27 1 -0.5 -0.9 21 338 8839 125 18 -14.7 10.3 | 159 12 -4.4 11.3 22 300 9720 140 24 -15.4 18.4 | 165 20 -5.1 19.4 23 299 9754 145 22 -12.6 18.0 | 173 19 -2.2 19.0 24 262 10668 120 21 -18.2 10.5 | 146 14 -7.8 11.5 25 250 10973 135 23 -16.3 16.3 | 161 18 -5.9 17.3 26 250 10980 160 18 -6.2 16.9 | 193 18 4.2 17.9 27 239 11278 180 18 0.0 18.0 | 209 22 10.4 19.0 28 228 11582 185 20 1.7 19.9 | 210 24 12.1 20.9 29 200 12450 150 33 -16.5 28.6 | 168 30 -6.1 29.6 30 180 13106 140 38 -24.4 29.1 | 155 33 -14.1 30.1 31 171 13411 145 33 -18.9 27.0 | 163 29 -8.6 28.1 32 150 14230 145 46 -26.4 37.7 | 158 42 -16.0 38.7 33 148 14326 155 53 -22.4 48.0 | 166 51 -12.0 49.1 34 133 14935 135 28 -19.8 19.8 | 156 23 -9.4 20.8 35 126 15240 140 17 -10.9 13.0 | 178 14 -0.6 14.0 36 114 15850 210 20 10.0 17.3 | 228 27 20.4 18.3 37 102 16459 185 10 0.9 10.0 | 226 16 11.2 11.0 38 100 16600 120 2 -1.7 1.0 | 257 9 8.6 2.0 39 97 16764 120 2 -1.7 1.0 | 257 9 8.6 2.0 40 88 17325 30 11 -5.5 -9.5 | 330 10 4.9 -8.5 41 87 17374 10 12 -2.1 -11.8 | 322 14 8.3 -10.8 42 83 17678 70 12 -11.3 -4.1 | 16 3 -0.9 -3.1 43 78 17983 95 11 -11.0 1.0 | 164 2 -0.6 2.0 44 74 18288 20 13 -4.4 -12.2 | 332 13 5.9 -11.2 45 70 18593 330 18 9.0 -15.6 | 307 24 19.4 -14.6 46 70 18620 305 10 8.2 -5.7 | 284 19 18.6 -4.7 47 67 18898 305 10 8.2 -5.7 | 284 19 18.6 -4.7 48 63 19202 315 1 0.7 -0.7 | 268 11 11.1 0.3 49 54 20117 80 2 -2.0 -0.3 | 265 8 8.4 0.7 50 51 20422 115 10 -9.1 4.2 | 194 5 1.3 5.2 51 50 20550 90 21 -21.0 0.0 | 95 11 -10.6 1.0 52 49 20726 80 17 -16.7 -3.0 | 73 7 -6.4 -1.9 53 46 21031 90 36 -36.0 0.0 | 92 26 -25.6 1.0 54 40 21946 105 48 -46.4 12.4 | 110 38 -36.0 13.4 55 38 22250 100 53 -52.2 9.2 | 104 43 -41.8 10.2 56 34 22860 80 52 -51.2 -9.0 | 79 42 -40.8 -8.0 57 30 23640 95 58 -57.8 5.1 | 97 48 -47.4 6.1 58 24 24994 105 65 -62.8 16.8 | 109 55 -52.4 17.8 59 22 25603 95 71 -70.7 6.2 | 97 61 -60.4 7.2 60 20 26210 100 79 -77.8 13.7 | 102 69 -67.4 14.7 61 20 26213 100 79 -77.8 13.7 | 102 69 -67.4 14.7 62 17 26822 100 67 -66.0 11.6 | 103 57 -55.6 12.7 Wind Parameters Mean winds (0-6000m): 54.4 at 13.9 knts Storm direction: 84.4 at 10.4 knts Shear (0-3000m) pos: 1.9 neg: 3.1 tot: 5.1 10-3/s Storm rel Dir Shear (0-3000m): 93.2 deg Storm rel helicity (0-3000m) pos: 24.5 neg: -57.7 tot: -33.1 m^2/s^2 ave: -11.0 10^-3 m/s^2 rel: -0.35 Storm rel vorticity (0-3000m) horiz: 11.2 stream: -3.9 10^-3/s Energy-Hel index: 0.10 Bulk Rich Number: 162.40 Bulk Shear: 5.89 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 82 14 75 4| 0.0 17.6 17.6| 0.0 -6.4 -6.4 -12.8 -0.56| 19.2-10.7 1000 74 21 63 11| 0.0 13.3 13.3| 12.7 -18.4 -5.7 -5.7 -0.35| 16.3 -5.7 1500 72 23 62 13| 2.2 8.8 11.0| 12.8 -22.0 -9.2 -6.1 -0.31| 13.0 -4.1 2000 72 23 62 13| 1.6 6.1 7.7| 16.6 -34.5 -17.9 -8.9 -0.33| 11.4 -3.8 2500 70 22 57 12| 2.3 4.9 7.2| 20.2 -46.9 -26.7 -10.7 -0.33| 10.8 -3.5 3000 70 20 55 11| 1.9 3.1 5.1| 24.5 -57.7 -33.1 -11.0 -0.35| 11.2 -3.9 4000 65 17 39 8| 1.5 1.5 3.0| 24.5 -77.8 -53.3 -13.3 -0.40| 9.8 -3.9 5000 60 15 21 7| 1.2 1.0 2.1| 24.5 -92.9 -68.4 -13.7 -0.41| 8.4 -3.5 6000 54 14 7 7| 0.7 0.7 1.4| 66.8-110.9 -44.1 -7.3 -0.31| 8.1 -2.5 Wrote GIF file: /home/apache/climate/data/raob//SBSN/skewt/SBSN.skewt.20251207.12.gif