UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122900.upa.cvt Date: 0000Z 29 DEC 25 Searching for SBNT... Searching the city database file for: SBNT ... Date:0000Z 29 DEC 25 Station: SBNT WMO ident: 82599 Latitude: -5.92 Longitude: -35.25 Elevation: 52.00 ------------------------------------------------------------------------------- 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 1009 52 26.8 23.1 80 3.7 24.1 100 7 299.2 302.4 297.0 351.5 17.91 1 1000 112 26.4 21.7 75 4.7 23.0 95 13 299.5 302.6 296.2 347.9 16.56 2 947 590 21.8 20.5 92 1.3 20.9 95 15 299.6 302.5 296.0 347.0 16.24 3 925 795 21.2 17.1 77 4.1 18.4 95 15 301.0 303.4 294.4 340.3 13.38 4 906 975 20.4 15.4 73 5.0 17.1 99 15 302.0 304.2 293.9 338.1 12.23 5 869 1335 17.6 15.8 89 1.8 16.4 90 14 302.7 305.1 294.7 341.5 13.10 6 856 1465 17.2 14.1 82 3.1 15.1 86 14 303.6 305.8 294.0 338.9 11.90 7 850 1525 17.4 12.4 72 5.0 14.1 85 14 304.4 306.4 293.4 336.3 10.70 8 827 1760 18.4 3.4 37 15.0 9.9 116 12 307.8 308.9 290.6 326.0 5.91 9 753 2557 13.4 4.4 54 9.0 8.2 119 12 310.8 312.1 292.3 332.3 6.98 10 725 2877 12.6 -10.4 19 23.0 2.4 116 13 313.3 313.7 289.0 321.0 2.39 11 707 3087 10.4 3.4 62 7.0 6.3 122 13 313.1 314.4 293.0 334.7 6.93 12 700 3170 10.0 1.0 54 9.0 5.1 115 10 313.6 314.7 292.3 332.1 5.89 13 669 3544 7.2 0.2 61 7.0 3.4 83 12 314.5 315.6 292.5 332.8 5.81 14 664 3605 7.4 -8.6 31 16.0 0.1 74 12 315.4 316.0 290.3 325.2 3.01 15 649 3792 6.0 -1.0 61 7.0 2.3 62 12 315.9 316.9 292.6 333.3 5.49 16 644 3856 6.4 -5.6 42 12.0 0.5 60 12 317.0 317.8 291.6 329.7 3.91 17 627 4074 5.6 -4.4 49 10.0 0.6 55 12 318.6 319.4 292.4 332.8 4.40 18 604 4379 5.2 -17.8 17 23.0 -3.5 52 13 321.5 321.8 290.8 326.9 1.56 19 600 4433 5.2 -13.8 24 19.0 -2.7 52 13 322.1 322.6 291.6 329.5 2.19 20 591 4556 4.0 -12.0 30 16.0 -2.9 54 14 322.1 322.6 291.9 330.8 2.58 21 542 5251 -1.9 -17.9 28 16.0 -7.7 56 16 323.2 323.5 291.5 329.1 1.73 22 534 5369 -1.5 -31.5 8 30.0 -9.4 70 17 325.0 325.1 290.8 326.9 0.51 23 500 5890 -3.7 -40.7 4 37.0 -11.5 85 13 328.5 328.6 291.5 329.4 0.22 24 450 6713 -9.1 -44.1 4 35.0 -15.4 90 13 331.8 331.8 292.4 332.5 0.17 25 400 7610 -17.3 -38.3 14 21.0 -21.0 150 3 332.5 332.6 292.7 333.8 0.35 26 378 8032 -21.1 -41.1 15 20.0 -24.1 113 2 332.9 333.0 292.8 334.0 0.28 27 326 9115 -27.7 -53.7 7 26.0 -30.0 36 4 338.2 338.2 294.0 338.5 0.08 28 300 9710 -31.3 -60.3 4 29.0 -33.3 355 5 341.3 341.3 294.7 341.4 0.04 29 259 10730 -40.7 -50.7 33 10.0 -41.3 44 15 342.1 342.1 295.0 342.7 0.14 30 250 10970 -42.1 -55.1 23 13.0 -42.8 20 15 343.5 343.5 295.3 343.8 0.09 31 248 11024 -42.1 -57.1 18 15.0 -42.8 31 17 344.3 344.3 295.4 344.6 0.07 32 245 11106 -40.1 -69.1 3 29.0 -41.2 24 16 348.5 348.5 296.3 348.5 0.01 33 200 12450 -52.3 -71.3 8 19.0 -52.7 305 11 349.9 350.0 296.6 350.0 0.01 34 178 13195 -58.3 -74.3 11 16.0 -58.5 296 15 352.0 352.0 297.1 352.0 0.01 35 159 13896 -64.9 -74.9 24 10.0 -65.0 298 27 352.4 352.4 297.1 352.4 0.01 36 150 14250 -67.3 -75.3 31 8.0 -67.4 275 20 354.2 354.2 297.5 354.2 0.01 37 139 14703 -71.1 -75.4 53 4.3 -71.1 253 24 355.3 355.3 297.8 355.3 0.01 38 117 15700 -78.9 -82.5 55 3.6 -78.9 133 10 358.8 358.8 298.5 358.8 0.00 39 103 16416 -82.9 -87.9 42 5.0 -82.9 95 36 364.5 364.5 299.5 364.5 0.00 40 100 16580 -82.5 -89.5 29 7.0 -82.5 90 34 368.3 368.3 300.2 368.3 0.00 41 99 16636 -82.5 -89.5 29 7.0 -82.5 90 34 369.4 369.4 300.5 369.4 0.00 42 78 17970 -83.5 -89.5 34 6.0 -83.5 130 21 393.4 393.4 304.3 393.4 0.00 43 74 18264 -83.1 -90.1 29 7.0 -83.1 125 33 400.2 400.2 305.2 400.2 0.00 44 70 18580 -76.3 -87.3 16 11.0 -76.3 90 33 421.2 421.2 307.9 421.2 0.00 45 69 18663 -75.9 -86.9 16 11.0 -75.9 89 33 423.7 423.7 308.2 423.8 0.00 46 56 19883 -71.1 -89.1 5 18.0 -71.2 27 12 460.8 460.8 311.8 460.8 0.00 47 50 20550 -72.9 -89.9 6 17.0 -73.0 75 15 471.7 471.7 312.8 471.7 0.00 48 49 20668 -73.1 -90.1 6 17.0 -73.2 67 15 474.0 474.0 313.0 474.0 0.00 49 43 21445 -67.3 -90.3 2 23.0 -67.5 94 27 506.3 506.3 315.4 506.3 0.00 TRP 103 16416 -82.9 -87.9 42 5.0 -82.9 95 36 364.5 364.5 299.5 364.5 0.00 WND Sounding variables and indices 1000-500 mb thick: 5778.00 m Freezing level: 557.78 mb = 5027.01 m = 16492.61 ft Wetbulb zero: 623.60 mb = 4118.50 m = 13511.98 ft Precipitable water: 1.52 inches Sfc-500 mean rel hum: 47.48 % Est. max temperature: 30.97 C = 87.75 F Sfc-Lift cond lev (LCL): 956.47 mb = 503.00 m = 1650.25 ft T: 22.64 C 700-500 lapse rate: 5.04 C/km ThetaE index: 15.48 C Layer 856.0- 753.0 mb Conv cond level (CCL): 883.31 mb = 1194.28 m = 3918.19 ft Mean mixing ratio: 15.53 g/kg Conv temperature: 30.02 C = 86.03 F Cap Strength: 2.79 C Lifted Index: 0.91 C Risk: Showers probable Lifted Index @300 mb: -0.44 C Lifted Index @700 mb: 0.66 C Showalter Index: 4.66 C Risk: None Total Totals Index: 37.20 C Risk: None Vertical Totals Index: 21.10 C Cross Totals Index: 16.10 C K Index: 24.50 Risk: 20-40 % chance of thunderstorms Sweat Index: 189.80 Risk: None Energy Index: -1.17 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 248.46 J/kg Max Up Vert Vel: 22.29 m/s Conv Inhibition (B-): 121.76 J/kg Cap Strength: 2.74 C Lift Cond Lev (LCL): 914.34 mb = 895.74 m = 2938.76 ft Lev Free Conv (LFC): 679.34 mb = 3417.13 m = 11210.93 ft Equ Level (EL): 649.34 mb = 3788.11 m = 12428.04 ft B at Equ Level: 8.52 J/kg Max Parcel Lev (MPL): 619.34 mb = 4174.50 m = 13695.69 ft Wind level data Storm motion: 117 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 1009 52 100 7 -6.9 1.2 | 328 4 2.1 -3.5 1 1000 112 95 13 -13.0 1.1 | 48 5 -3.9 -3.6 2 978 305 90 16 -16.0 0.0 | 56 8 -7.0 -4.7 3 945 610 95 15 -14.9 1.3 | 60 7 -5.9 -3.4 4 925 795 95 15 -14.9 1.3 | 60 7 -5.9 -3.4 5 912 914 100 15 -14.8 2.6 | 70 6 -5.7 -2.1 6 850 1524 85 14 -13.9 -1.2 | 40 8 -4.9 -5.9 7 850 1525 85 14 -13.9 -1.2 | 40 8 -4.9 -5.9 8 820 1829 125 11 -9.0 6.3 | 181 2 0.0 1.6 9 791 2134 140 11 -7.1 8.4 | 208 4 2.0 3.7 10 763 2438 125 12 -9.8 6.9 | 160 2 -0.8 2.2 11 736 2743 110 13 -12.2 4.4 | 86 3 -3.2 -0.2 12 710 3048 125 14 -11.5 8.0 | 144 4 -2.4 3.3 13 700 3170 115 10 -9.1 4.2 | 3 0 -0.0 -0.5 14 684 3353 110 11 -10.3 3.8 | 54 2 -1.3 -0.9 15 659 3658 65 12 -10.9 -5.1 | 11 10 -1.8 -9.8 16 611 4267 50 12 -9.2 -7.7 | 1 12 -0.2 -12.4 17 567 4877 60 17 -14.7 -8.5 | 23 14 -5.7 -13.2 18 546 5182 50 16 -12.3 -10.3 | 12 15 -3.2 -15.0 19 526 5486 85 17 -16.9 -1.5 | 52 10 -7.9 -6.2 20 500 5890 85 13 -13.0 -1.1 | 34 7 -3.9 -5.8 21 487 6096 85 15 -14.9 -1.3 | 45 8 -5.9 -6.0 22 468 6401 90 19 -19.0 0.0 | 65 11 -10.0 -4.7 23 450 6706 90 13 -13.0 0.0 | 40 6 -4.0 -4.7 24 416 7315 125 10 -8.2 5.7 | 219 1 0.8 1.0 25 400 7610 150 3 -1.5 2.6 | 286 8 7.5 -2.1 26 367 8230 95 2 -2.0 0.2 | 303 8 7.0 -4.5 27 300 9710 355 5 0.4 -5.0 | 316 14 9.5 -9.7 28 273 10363 20 10 -3.4 -9.4 | 338 15 5.6 -14.1 29 261 10668 50 15 -11.5 -9.6 | 10 15 -2.5 -14.3 30 250 10970 20 15 -5.1 -14.1 | 348 19 3.9 -18.8 31 250 10973 35 17 -9.8 -13.9 | 2 19 -0.7 -18.6 32 239 11278 10 14 -2.4 -13.8 | 340 20 6.6 -18.5 33 228 11582 355 10 0.9 -10.0 | 326 18 9.9 -14.7 34 208 12192 15 11 -2.8 -10.6 | 338 17 6.2 -15.3 35 200 12450 305 11 9.0 -6.3 | 301 21 18.0 -11.0 36 199 12497 335 9 3.8 -8.2 | 315 18 12.8 -12.8 37 189 12802 305 11 9.0 -6.3 | 301 21 18.0 -11.0 38 172 13411 290 18 16.9 -6.2 | 293 28 26.0 -10.8 39 163 13716 295 29 26.3 -12.3 | 296 39 35.3 -16.9 40 156 14021 300 26 22.5 -13.0 | 299 36 31.6 -17.7 41 150 14250 275 20 19.9 -1.7 | 283 30 29.0 -6.4 42 133 14935 240 27 23.4 13.5 | 255 34 32.4 8.8 43 126 15240 210 17 8.5 14.7 | 240 20 17.5 10.0 44 120 15545 205 10 4.2 9.1 | 252 14 13.3 4.4 45 114 15850 45 10 -7.1 -7.1 | 351 12 2.0 -11.8 46 103 16416 95 36 -35.9 3.1 | 87 27 -26.8 -1.6 47 100 16580 90 34 -34.0 0.0 | 79 25 -25.0 -4.7 48 97 16764 90 34 -34.0 0.0 | 79 25 -25.0 -4.7 49 92 17069 95 32 -31.9 2.8 | 85 23 -22.8 -1.9 50 87 17374 145 36 -20.6 29.5 | 155 27 -11.6 24.8 51 78 17983 130 21 -16.1 13.5 | 141 11 -7.1 8.8 52 74 18288 125 34 -27.9 19.5 | 128 24 -18.8 14.8 53 70 18580 90 33 -33.0 0.0 | 79 24 -24.0 -4.7 54 66 18898 85 32 -31.9 -2.8 | 72 24 -22.8 -7.5 55 63 19202 75 28 -27.0 -7.2 | 56 22 -18.0 -11.9 56 60 19507 25 15 -6.3 -13.6 | 352 18 2.7 -18.3 57 57 19812 20 13 -4.4 -12.2 | 345 18 4.6 -16.9 58 54 20117 50 10 -7.7 -6.4 | 353 11 1.4 -11.1 59 50 20550 75 15 -14.5 -3.9 | 32 10 -5.5 -8.6 60 48 20726 60 15 -13.0 -7.5 | 18 13 -4.0 -12.2 61 45 21031 90 19 -19.0 0.0 | 65 11 -10.0 -4.7 62 40 21641 100 39 -38.4 6.8 | 94 29 -29.4 2.1 Wind Parameters Mean winds (0-6000m): 87.4 at 13.6 knts Storm direction: 117.4 at 10.2 knts Shear (0-3000m) pos: 2.1 neg: 1.9 tot: 4.0 10-3/s Storm rel Dir Shear (0-3000m): 175.2 deg Storm rel helicity (0-3000m) pos: 17.8 neg: -9.1 tot: 8.6 m^2/s^2 ave: 2.9 10^-3 m/s^2 rel: 0.30 Storm rel vorticity (0-3000m) horiz: 6.4 stream: 1.9 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 870.81 Bulk Shear: 0.29 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 93 14 53 7| 0.0 8.5 8.5| 8.4 0.0 8.4 16.9 0.76| 11.2 8.5 1000 95 15 58 7| 0.4 4.2 4.7| 10.1 -1.0 9.1 9.1 0.67| 6.6 4.4 1500 93 15 55 7| 0.3 2.6 2.9| 10.2 -5.3 4.9 3.3 0.39| 5.5 2.2 2000 98 14 59 5| 2.8 2.0 4.8| 14.6 -5.3 9.4 4.7 0.49| 6.9 3.4 2500 103 13 68 4| 2.3 2.3 4.6| 14.8 -7.9 6.9 2.8 0.31| 6.5 2.0 3000 106 13 74 4| 2.1 1.9 4.0| 17.8 -9.1 8.6 2.9 0.30| 6.4 1.9 4000 101 13 58 4| 1.6 2.7 4.2| 17.8 -18.5 -0.6 -0.2 0.07| 6.9 0.5 5000 91 13 42 6| 1.3 2.6 3.8| 35.4 -26.2 9.2 1.8 0.11| 6.4 0.7 6000 87 14 40 7| 1.6 2.0 3.7| 63.4 -34.2 29.2 4.9 0.17| 6.6 1.1 Wrote GIF file: /home/apache/climate/data/raob//SBNT/skewt/SBNT.skewt.20251229.00.gif