UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122612.upa.cvt Date: 1200Z 26 DEC 25 Searching for SB099... Searching the city database file for: SB099 ... Date:1200Z 26 DEC 25 Station: SB099 WMO ident: 82099 Latitude: 0.05 Longitude: -51.07 ------------------------------------------------------------------------------- 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 1011 13 27.8 22.8 74 5.0 24.2 100 2 300.0 303.2 296.9 351.4 17.54 1 1000 109 25.6 22.7 84 2.9 23.5 100 4 298.8 302.0 296.7 350.1 17.63 2 975 332 23.4 22.3 94 1.1 22.6 80 10 298.7 301.9 296.7 350.1 17.65 3 925 793 21.4 17.0 76 4.4 18.4 100 19 301.2 303.6 294.4 340.3 13.29 4 912 916 21.2 16.2 73 5.0 17.8 100 18 302.2 304.6 294.3 340.0 12.80 5 857 1452 17.2 15.9 92 1.3 16.3 122 18 303.5 305.9 295.1 343.2 13.38 6 850 1522 17.8 15.4 86 2.4 16.2 125 18 304.8 307.2 295.2 343.8 13.06 7 832 1705 18.0 13.7 76 4.3 15.1 119 18 306.9 309.1 295.0 342.8 11.93 8 734 2772 14.2 1.2 41 13.0 6.9 131 24 313.9 315.0 292.2 331.8 5.69 9 728 2841 13.8 1.8 44 12.0 7.1 134 24 314.2 315.4 292.6 333.1 5.99 10 706 3100 11.8 5.8 67 6.0 8.2 147 23 314.8 316.4 294.4 340.5 8.22 11 700 3171 11.4 4.4 62 7.0 7.3 150 23 315.1 316.6 294.0 338.7 7.51 12 576 4773 0.2 -2.2 84 2.4 -1.0 134 7 320.1 321.2 293.9 338.3 5.66 13 508 5775 -4.5 -10.5 63 6.0 -7.1 122 4 326.1 326.7 293.7 337.4 3.38 14 500 5900 -5.7 -10.7 68 5.0 -7.8 120 4 326.1 326.8 293.7 337.5 3.38 15 482 6185 -7.7 -11.1 77 3.4 -9.1 189 5 327.1 327.7 294.0 338.5 3.40 16 438 6923 -10.9 -40.9 6 30.0 -16.6 283 25 332.1 332.1 292.5 333.0 0.24 17 419 7261 -13.9 -43.9 6 30.0 -18.8 289 26 332.5 332.5 292.6 333.2 0.19 18 408 7461 -15.7 -42.7 8 27.0 -20.1 292 27 332.7 332.7 292.7 333.5 0.22 19 400 7610 -16.9 -30.9 29 14.0 -20.0 295 27 333.0 333.2 293.2 335.7 0.73 20 396 7685 -17.7 -23.7 59 6.0 -19.4 296 27 332.9 333.2 293.9 338.0 1.43 21 388 7837 -18.3 -35.3 21 17.0 -21.6 298 26 334.1 334.2 293.3 336.0 0.49 22 378 8031 -19.9 -33.9 28 14.0 -22.7 302 26 334.5 334.6 293.5 336.7 0.58 23 371 8170 -20.7 -47.7 7 27.0 -24.2 304 25 335.2 335.3 293.3 335.8 0.14 24 313 9400 -30.7 -35.7 61 5.0 -31.4 329 14 338.0 338.1 294.4 340.2 0.58 25 305 9583 -31.5 -43.5 30 12.0 -32.9 348 11 339.4 339.4 294.4 340.4 0.27 26 300 9700 -32.1 -44.1 29 12.0 -33.4 5 9 340.1 340.2 294.6 341.1 0.25 27 291 9916 -33.7 -43.7 36 10.0 -34.8 7 10 340.8 340.9 294.8 341.9 0.27 28 277 10262 -35.7 -55.7 11 20.0 -37.0 2 5 342.8 342.8 295.1 343.1 0.07 29 250 10970 -42.1 -58.1 16 16.0 -42.9 360 6 343.5 343.5 295.2 343.7 0.06 30 200 12430 -54.9 -62.9 36 8.0 -55.1 35 11 345.8 345.8 295.7 346.0 0.04 31 179 13132 -60.9 -66.9 45 6.0 -61.0 1 5 347.2 347.2 296.0 347.3 0.03 32 172 13380 -62.1 -69.1 39 7.0 -62.2 352 2 349.2 349.2 296.5 349.2 0.02 33 166 13599 -62.9 -75.9 16 13.0 -63.0 338 6 351.4 351.4 297.0 351.4 0.01 34 150 14220 -66.5 -76.5 23 10.0 -66.5 340 24 355.5 355.5 297.8 355.6 0.01 35 136 14805 -71.5 -81.5 21 10.0 -71.5 340 30 356.8 356.8 298.1 356.8 0.00 36 101 16524 -80.1 -89.1 21 9.0 -80.1 8 5 371.9 371.9 300.9 371.9 0.00 37 100 16580 -80.3 -88.3 25 8.0 -80.3 25 9 372.6 372.6 301.0 372.6 0.00 38 88 17294 -84.9 -90.9 33 6.0 -84.9 75 27 377.2 377.2 301.8 377.2 0.00 39 82 17686 -83.3 -92.3 19 9.0 -83.3 76 28 388.2 388.2 303.5 388.2 0.00 40 79 17898 -75.9 -88.9 11 13.0 -75.9 86 41 407.7 407.7 306.2 407.7 0.00 41 77 18046 -74.9 -87.9 12 13.0 -74.9 84 37 412.7 412.7 306.9 412.8 0.00 42 70 18600 -75.1 -88.1 11 13.0 -75.2 280 11 423.7 423.7 308.2 423.7 0.00 43 68 18768 -76.1 -89.1 11 13.0 -76.2 257 9 425.1 425.1 308.3 425.1 0.00 44 65 19030 -73.1 -88.1 8 15.0 -73.2 222 5 437.2 437.2 309.6 437.2 0.00 45 60 19497 -74.1 -89.1 8 15.0 -74.2 264 12 445.1 445.1 310.4 445.1 0.00 46 57 19799 -70.7 -87.7 6 17.0 -70.8 212 4 459.3 459.3 311.7 459.4 0.00 47 50 20570 -73.5 -89.5 7 16.0 -73.6 90 26 470.3 470.3 312.7 470.3 0.00 48 49 20688 -73.9 -89.9 7 16.0 -74.0 90 25 472.1 472.1 312.8 472.1 0.00 49 35 22703 -63.5 -89.7 2 26.3 -64.0 95 64 546.9 546.9 317.9 547.0 0.00 50 32 23257 -60.7 -89.7 1 29.0 -61.5 92 63 568.6 568.6 319.1 568.6 0.00 51 32 23257 -60.1 -89.1 1 29.0 -61.0 92 63 570.2 570.2 319.2 570.2 0.00 TRP 88 17294 -84.9 -90.9 33 6.0 -84.9 75 27 377.2 377.2 301.8 377.2 0.00 WND 35 22703 -63.5 -89.7 2 26.3 -64.0 95 64 546.9 546.9 317.9 547.0 0.00 Sounding variables and indices 1000-500 mb thick: 5791.00 m Freezing level: 573.11 mb = 4815.45 m = 15798.52 ft Wetbulb zero: 591.48 mb = 4554.96 m = 14943.91 ft Precipitable water: 2.00 inches Sfc-500 mean rel hum: 71.93 % Est. max temperature: 31.16 C = 88.09 F Sfc-Lift cond lev (LCL): 940.48 mb = 647.73 m = 2125.08 ft T: 22.03 C 700-500 lapse rate: 6.27 C/km ThetaE index: 11.92 C Layer 832.0- 728.0 mb Conv cond level (CCL): 881.28 mb = 1211.08 m = 3973.32 ft Mean mixing ratio: 15.86 g/kg Conv temperature: 30.70 C = 87.26 F Cap Strength: 2.81 C Lifted Index: -1.38 C Risk: Thunderstorms probable Lifted Index @300 mb: -1.68 C Lifted Index @700 mb: 1.83 C Showalter Index: -0.45 C Risk: Thunderstorms probable Total Totals Index: 44.60 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.50 C Cross Totals Index: 21.10 C K Index: 31.90 Risk: 60-80 % chance of thunderstorms Sweat Index: 224.80 Risk: None Energy Index: -1.23 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 433.49 J/kg Max Up Vert Vel: 29.44 m/s Conv Inhibition (B-): 179.16 J/kg Cap Strength: 2.79 C Lift Cond Lev (LCL): 921.06 mb = 830.05 m = 2723.24 ft Lev Free Conv (LFC): 626.06 mb = 4088.14 m = 13412.38 ft Equ Level (EL): 196.06 mb = 12555.86 m = 41193.27 ft B at Equ Level: 431.83 J/kg Max Parcel Lev (MPL): 126.06 mb = 15243.70 m = 50011.53 ft Wind level data Storm motion: 153 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 1011 13 100 2 -2.0 0.3 | 343 9 2.8 -8.9 1 1000 109 100 4 -3.9 0.7 | 355 9 0.8 -8.6 2 978 305 80 9 -8.9 -1.6 | 21 12 -4.1 -10.8 3 945 610 80 18 -17.7 -3.1 | 46 18 -13.0 -12.4 4 925 793 100 19 -18.7 3.3 | 67 15 -14.0 -6.0 5 912 914 100 18 -17.7 3.1 | 65 14 -13.0 -6.2 6 850 1522 125 18 -14.7 10.3 | 96 10 -10.0 1.0 7 850 1524 125 18 -14.7 10.3 | 96 10 -10.0 1.0 8 791 2134 105 19 -18.4 4.9 | 72 14 -13.6 -4.4 9 763 2438 115 25 -22.7 10.6 | 94 18 -17.9 1.3 10 700 3171 150 23 -11.5 19.9 | 148 13 -6.7 10.6 11 684 3353 155 21 -8.9 19.0 | 157 11 -4.1 9.7 12 659 3658 140 14 -9.0 10.7 | 109 4 -4.2 1.4 13 612 4267 140 8 -5.1 6.1 | 7 3 -0.4 -3.2 14 500 5900 120 4 -3.5 2.0 | 350 7 1.3 -7.3 15 487 6096 150 3 -1.5 2.6 | 334 7 3.3 -6.7 16 468 6401 290 11 10.3 -3.8 | 311 20 15.1 -13.0 17 450 6706 280 25 24.6 -4.3 | 295 32 29.4 -13.6 18 400 7610 295 27 24.5 -11.4 | 305 36 29.2 -20.7 19 399 7620 295 27 24.5 -11.4 | 305 36 29.2 -20.7 20 367 8230 305 25 20.5 -14.3 | 313 35 25.2 -23.6 21 352 8534 305 27 22.1 -15.5 | 313 37 26.9 -24.8 22 338 8839 320 19 12.2 -14.6 | 325 29 17.0 -23.8 23 311 9449 330 14 7.0 -12.1 | 331 24 11.8 -21.4 24 300 9700 5 9 -0.8 -9.0 | 348 19 4.0 -18.2 25 298 9754 10 12 -2.1 -11.8 | 353 21 2.7 -21.1 26 273 10363 360 4 -0.0 -4.0 | 340 14 4.8 -13.3 27 250 10970 360 6 -0.0 -6.0 | 343 16 4.8 -15.3 28 228 11582 25 11 -4.6 -10.0 | 360 19 0.1 -19.3 29 217 11887 10 10 -1.7 -9.8 | 351 19 3.0 -19.1 30 200 12430 35 11 -6.3 -9.0 | 5 18 -1.6 -18.3 31 198 12497 25 13 -5.5 -11.8 | 2 21 -0.7 -21.1 32 171 13411 350 1 0.2 -1.0 | 334 11 4.9 -10.3 33 155 14021 310 18 13.8 -11.6 | 318 28 18.5 -20.9 34 150 14220 340 24 8.2 -22.6 | 338 34 13.0 -31.8 35 147 14326 340 24 8.2 -22.6 | 338 34 13.0 -31.8 36 133 14935 340 32 10.9 -30.1 | 338 42 15.7 -39.4 37 126 15240 340 17 5.8 -16.0 | 337 27 10.6 -25.3 38 108 16154 275 13 13.0 -1.1 | 300 21 17.7 -10.4 39 102 16459 350 1 0.2 -1.0 | 334 11 4.9 -10.3 40 100 16580 25 9 -3.8 -8.2 | 357 17 1.0 -17.4 41 97 16764 25 9 -3.8 -8.2 | 357 17 1.0 -17.4 42 88 17294 75 27 -26.1 -7.0 | 53 27 -21.3 -16.3 43 87 17374 80 26 -25.6 -4.5 | 57 25 -20.9 -13.8 44 82 17678 75 27 -26.1 -7.0 | 53 27 -21.3 -16.3 45 78 17983 90 45 -45.0 0.0 | 77 41 -40.2 -9.3 46 74 18288 65 10 -9.1 -4.2 | 18 14 -4.3 -13.5 47 70 18593 290 14 13.2 -4.8 | 308 23 17.9 -14.1 48 70 18600 280 11 10.8 -1.9 | 306 19 15.6 -11.2 49 63 19202 200 3 1.0 2.8 | 318 9 5.8 -6.5 50 60 19507 265 12 12.0 1.0 | 296 19 16.7 -8.2 51 57 19812 210 4 2.0 3.5 | 311 9 6.8 -5.8 52 54 20117 120 12 -10.4 6.0 | 60 7 -5.6 -3.3 53 51 20422 75 21 -20.3 -5.4 | 47 21 -15.5 -14.7 54 50 20570 90 26 -26.0 0.0 | 66 23 -21.2 -9.3 55 49 20726 90 25 -25.0 0.0 | 65 22 -20.2 -9.3 56 46 21031 80 32 -31.5 -5.6 | 61 31 -26.8 -14.8 57 44 21336 100 37 -36.4 6.4 | 85 32 -31.7 -2.9 58 42 21641 100 50 -49.2 8.7 | 89 44 -44.5 -0.6 59 38 22250 85 57 -56.8 -5.0 | 75 54 -52.0 -14.3 60 35 22703 95 64 -63.8 5.6 | 86 59 -59.0 -3.7 61 34 22860 95 64 -63.8 5.6 | 86 59 -59.0 -3.7 62 28 23774 85 59 -58.8 -5.1 | 75 56 -54.0 -14.4 Wind Parameters Mean winds (0-6000m): 122.9 at 13.9 knts Storm direction: 152.9 at 10.4 knts Shear (0-3000m) pos: 4.4 neg: 3.0 tot: 7.4 10-3/s Storm rel Dir Shear (0-3000m): 151.6 deg Storm rel helicity (0-3000m) pos: 153.6 neg: -16.8 tot: 136.8 m^2/s^2 ave: 45.6 10^-3 m/s^2 rel: 0.65 Storm rel vorticity (0-3000m) horiz: 9.6 stream: 6.2 10^-3/s Energy-Hel index: 0.23 Bulk Rich Number: 38.49 Bulk Shear: 11.26 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 83 8 18 11| 0.0 13.7 13.7| 31.6 0.0 31.6 63.2 0.79| 14.0 11.2 1000 90 13 42 12| 3.8 6.8 10.7| 68.2 -1.8 66.4 66.4 0.76| 12.9 9.7 1500 100 15 56 12| 4.4 4.6 9.0| 85.0 -1.8 83.2 55.5 0.77| 10.8 8.3 2000 105 16 63 12| 3.3 4.5 7.8| 85.0 -13.8 71.2 35.6 0.56| 9.4 5.3 2500 107 17 69 12| 3.9 3.6 7.5|116.4 -16.8 99.6 39.8 0.59| 9.5 5.5 3000 112 18 78 12| 4.4 3.0 7.4|153.6 -16.8 136.8 45.6 0.65| 9.6 6.2 4000 121 18 89 11| 2.9 2.4 5.4|168.4 -28.6 139.8 34.9 0.45| 9.4 4.2 5000 122 16 85 9| 2.4 2.1 4.5|168.4 -30.8 137.6 27.5 0.38| 8.0 3.1 6000 123 14 76 7| 2.0 1.9 3.9|168.4 -34.9 133.5 22.2 0.34| 7.0 2.4 Wrote GIF file: /home/apache/climate/data/raob//SB099/skewt/SB099.skewt.20251226.12.gif