UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025123100.upa.cvt Date: 0000Z 31 DEC 25 Searching for SBNT... Searching the city database file for: SBNT ... Date:0000Z 31 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 1010 52 26.6 22.9 80 3.7 23.9 90 7 298.9 302.1 296.7 350.4 17.67 1 1000 124 26.2 22.1 78 4.1 23.2 95 17 299.4 302.4 296.4 348.9 16.98 2 950 575 22.0 21.5 97 0.5 21.6 94 17 299.5 302.7 296.6 349.9 17.24 3 940 667 22.0 17.2 74 4.8 18.7 95 18 300.4 302.8 294.1 339.3 13.25 4 925 807 21.2 17.0 77 4.2 18.4 95 19 301.0 303.4 294.3 340.0 13.29 5 854 1493 17.0 10.0 63 7.0 12.6 100 20 303.5 305.2 291.9 330.6 9.06 6 850 1533 16.6 10.6 68 6.0 12.9 100 19 303.5 305.3 292.2 331.8 9.48 7 834 1695 15.2 11.2 77 4.0 12.7 111 20 303.7 305.6 292.7 333.7 10.07 8 830 1736 15.4 7.4 59 8.0 10.6 113 20 304.3 305.8 291.1 327.8 7.80 9 827 1766 14.6 13.6 94 1.0 14.0 115 20 303.8 306.0 294.1 339.3 11.92 10 826 1777 14.6 12.5 87 2.1 13.3 116 20 303.9 306.0 293.6 337.0 11.10 11 822 1818 15.4 5.4 51 10.0 9.6 119 20 305.2 306.5 290.5 325.9 6.85 12 820 1839 15.4 9.4 67 6.0 11.7 120 20 305.4 307.1 292.4 332.7 9.07 13 805 1996 16.4 0.4 34 16.0 7.8 131 21 308.1 309.0 289.8 323.2 4.89 14 797 2081 16.6 3.6 42 13.0 9.2 136 21 309.2 310.3 291.2 328.4 6.23 15 763 2452 14.0 8.0 67 6.0 10.3 165 23 310.2 311.9 293.7 337.4 8.86 16 736 2756 13.0 6.0 62 7.0 8.8 164 27 312.4 313.9 293.6 337.2 7.99 17 700 3177 11.4 -14.6 15 26.0 0.8 130 20 315.1 315.4 289.0 321.0 1.76 18 682 3394 10.8 -26.2 6 37.0 -1.2 115 21 316.8 316.9 288.5 319.1 0.66 19 623 4145 7.8 -28.2 6 36.0 -3.3 91 19 321.7 321.8 289.9 323.8 0.60 20 527 5496 -3.7 -21.7 23 18.0 -9.5 68 26 323.6 323.9 291.2 328.1 1.28 21 500 5910 -6.3 -32.3 11 26.0 -12.6 70 27 325.4 325.5 290.9 327.2 0.51 22 484 6162 -7.7 -37.7 7 30.0 -14.0 76 26 326.7 326.7 291.1 327.8 0.31 23 413 7378 -13.3 -52.3 2 39.0 -18.7 90 20 334.6 334.6 293.0 334.9 0.07 24 400 7620 -15.1 -53.1 2 38.0 -20.1 90 14 335.4 335.4 293.2 335.6 0.07 25 300 9730 -30.3 -58.3 5 28.0 -32.4 130 17 342.7 342.7 295.0 342.9 0.05 26 274 10367 -34.9 -62.9 4 28.0 -36.5 140 13 345.0 345.0 295.6 345.1 0.03 27 270 10469 -34.7 -64.7 3 30.0 -36.3 145 12 346.8 346.8 295.9 346.9 0.02 28 250 11000 -39.7 -65.7 5 26.0 -40.8 115 6 347.0 347.0 296.0 347.1 0.02 29 200 12490 -52.7 -67.7 15 15.0 -53.0 310 3 349.3 349.3 296.5 349.4 0.02 30 193 12718 -54.7 -66.7 21 12.0 -54.9 314 6 349.7 349.7 296.6 349.8 0.03 31 167 13626 -62.1 -65.9 60 3.8 -62.1 288 18 352.1 352.1 297.1 352.3 0.03 32 150 14280 -67.5 -71.8 54 4.3 -67.5 245 9 353.8 353.8 297.5 353.9 0.02 33 123 15449 -76.9 -81.7 46 4.8 -76.9 136 5 357.4 357.4 298.2 357.4 0.00 34 117 15735 -78.3 -84.3 37 6.0 -78.3 75 7 359.9 359.9 298.7 359.9 0.00 35 100 16630 -79.1 -88.1 21 9.0 -79.1 60 19 374.9 374.9 301.4 374.9 0.00 36 92 17101 -81.1 -90.1 20 9.0 -81.1 95 4 380.0 380.0 302.2 380.0 0.00 37 76 18170 -82.5 -90.5 24 8.0 -82.5 204 9 398.4 398.4 305.0 398.4 0.00 38 70 18630 -81.5 -89.5 24 8.0 -81.5 135 11 410.0 410.0 306.5 410.0 0.00 39 60 19498 -80.5 -90.5 17 10.0 -80.5 95 20 430.7 430.7 308.9 430.8 0.00 40 50 20550 -72.3 -89.3 6 17.0 -72.4 90 43 473.1 473.1 312.9 473.1 0.00 41 48 20791 -70.7 -90.7 4 20.0 -70.8 88 43 482.5 482.5 313.7 482.5 0.00 42 46 21047 -66.1 -90.1 2 24.0 -66.4 81 45 499.5 499.5 314.9 499.5 0.00 43 38 22219 -61.3 -88.3 2 27.0 -61.9 94 59 539.8 539.8 317.5 539.8 0.00 44 36 22555 -61.7 -88.7 2 27.0 -62.3 90 64 547.2 547.2 317.9 547.2 0.00 45 34 22908 -62.1 -89.1 2 27.0 -62.7 91 63 555.1 555.1 318.4 555.1 0.00 46 31 23484 -58.7 -87.7 1 29.0 -59.7 98 56 579.2 579.2 319.6 579.2 0.01 47 30 23690 -59.5 -87.5 1 28.0 -60.4 100 54 582.4 582.4 319.8 582.5 0.01 48 27 24347 -60.7 -87.7 2 27.0 -61.6 100 57 596.9 596.9 320.5 596.9 0.01 TRP 92 17101 -81.1 -90.1 20 9.0 -81.1 95 4 380.0 380.0 302.2 380.0 0.00 WND 36 22555 -61.7 -88.7 2 27.0 -62.3 90 64 547.2 547.2 317.9 547.2 0.00 Sounding variables and indices 1000-500 mb thick: 5786.00 m Freezing level: 557.89 mb = 5061.32 m = 16605.18 ft Wetbulb zero: 692.41 mb = 3267.98 m = 10721.59 ft Precipitable water: 1.38 inches Sfc-500 mean rel hum: 39.72 % Est. max temperature: 31.04 C = 87.87 F Sfc-Lift cond lev (LCL): 957.38 mb = 506.61 m = 1662.08 ft T: 22.63 C 700-500 lapse rate: 6.48 C/km ThetaE index: 13.37 C Layer 826.0- 820.0 mb Conv cond level (CCL): 885.06 mb = 1186.11 m = 3891.39 ft Mean mixing ratio: 15.67 g/kg Conv temperature: 30.12 C = 86.21 F Cap Strength: 2.98 C Lifted Index: -1.81 C Risk: Thunderstorms probable Lifted Index @300 mb: 0.38 C Lifted Index @700 mb: 1.95 C Showalter Index: 4.05 C Risk: None Total Totals Index: 39.80 C Risk: None Vertical Totals Index: 22.90 C Cross Totals Index: 16.90 C K Index: 7.50 Risk: None Sweat Index: 192.20 Risk: None Energy Index: -0.67 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 116.60 J/kg Max Up Vert Vel: 15.27 m/s Conv Inhibition (B-): 20.36 J/kg Cap Strength: 2.91 C Lift Cond Lev (LCL): 917.37 mb = 878.17 m = 2881.10 ft Lev Free Conv (LFC): 852.37 mb = 1509.30 m = 4951.70 ft Equ Level (EL): 812.37 mb = 1918.28 m = 6293.51 ft B at Equ Level: 12.22 J/kg Max Parcel Lev (MPL): 792.37 mb = 2130.62 m = 6990.14 ft Wind level data Storm motion: 131 at 16 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 1010 52 90 7 -7.0 0.0 | 335 12 5.0 -10.6 1 1000 124 95 17 -16.9 1.5 | 28 10 -4.9 -9.1 2 980 305 90 16 -16.0 0.0 | 21 11 -4.0 -10.6 3 946 610 95 17 -16.9 1.5 | 28 10 -4.9 -9.1 4 925 807 95 19 -18.9 1.7 | 38 11 -6.9 -9.0 5 914 914 95 19 -18.9 1.7 | 38 11 -6.9 -9.0 6 851 1524 100 20 -19.7 3.5 | 47 10 -7.7 -7.1 7 850 1533 100 19 -18.7 3.3 | 42 10 -6.7 -7.3 8 792 2134 140 21 -13.5 16.1 | 165 6 -1.5 5.5 9 764 2438 165 23 -6.0 22.2 | 208 13 6.1 11.6 10 737 2743 165 27 -7.0 26.1 | 198 16 5.0 15.5 11 700 3177 130 20 -15.3 12.9 | 124 4 -3.3 2.2 12 685 3353 115 21 -19.0 8.9 | 76 7 -7.0 -1.7 13 635 3962 110 18 -16.9 6.2 | 48 7 -4.9 -4.5 14 612 4267 75 20 -19.3 -5.2 | 25 17 -7.3 -15.8 15 547 5182 75 25 -24.1 -6.5 | 35 21 -12.1 -17.1 16 507 5791 60 28 -24.2 -14.0 | 26 27 -12.2 -24.6 17 500 5910 70 27 -25.4 -9.2 | 34 24 -13.3 -19.9 18 488 6096 75 26 -25.1 -6.7 | 37 22 -13.1 -17.3 19 433 7010 90 30 -30.0 0.0 | 59 21 -18.0 -10.6 20 400 7620 90 14 -14.0 0.0 | 11 11 -2.0 -10.6 21 400 7620 85 18 -17.9 -1.6 | 26 14 -5.9 -12.2 22 368 8230 115 23 -20.8 9.7 | 84 9 -8.8 -0.9 23 353 8534 105 23 -22.2 6.0 | 65 11 -10.2 -4.7 24 339 8839 140 17 -10.9 13.0 | 204 3 1.1 2.4 25 300 9730 130 17 -13.0 10.9 | 107 1 -1.0 0.3 26 286 10058 125 16 -13.1 9.2 | 37 2 -1.1 -1.4 27 262 10668 155 10 -4.2 9.1 | 281 8 7.8 -1.6 28 250 11000 115 6 -5.4 2.5 | 321 10 6.6 -8.1 29 209 12192 125 2 -1.6 1.1 | 312 14 10.4 -9.5 30 200 12490 310 3 2.3 -1.9 | 311 19 14.3 -12.5 31 181 13106 320 10 6.4 -7.7 | 315 26 18.4 -18.3 32 172 13411 285 19 18.4 -4.9 | 297 34 30.4 -15.5 33 164 13716 290 18 16.9 -6.2 | 300 33 28.9 -16.8 34 156 14021 275 19 18.9 -1.7 | 292 33 30.9 -12.3 35 150 14280 245 9 8.2 3.8 | 289 21 20.2 -6.8 36 149 14326 270 12 12.0 -0.0 | 294 26 24.0 -10.6 37 141 14630 225 12 8.5 8.5 | 276 21 20.5 -2.1 38 134 14935 225 10 7.1 7.1 | 281 19 19.1 -3.5 39 121 15545 115 4 -3.6 1.7 | 317 12 8.4 -8.9 40 114 15850 45 10 -7.1 -7.1 | 344 18 5.0 -17.7 41 109 16154 85 18 -17.9 -1.6 | 26 14 -5.9 -12.2 42 103 16459 90 23 -23.0 0.0 | 46 15 -11.0 -10.6 43 100 16630 60 19 -16.5 -9.5 | 12 21 -4.4 -20.1 44 98 16764 60 19 -16.5 -9.5 | 12 21 -4.4 -20.1 45 92 17101 95 4 -4.0 0.3 | 322 13 8.0 -10.3 46 88 17374 50 12 -9.2 -7.7 | 351 19 2.8 -18.3 47 83 17678 210 10 5.0 8.7 | 277 17 17.0 -2.0 48 79 17983 210 10 5.0 8.7 | 277 17 17.0 -2.0 49 70 18593 190 6 1.0 5.9 | 290 14 13.1 -4.7 50 70 18630 135 11 -7.8 7.8 | 304 5 4.2 -2.8 51 63 19202 100 29 -28.6 5.0 | 71 17 -16.5 -5.6 52 60 19507 95 20 -19.9 1.7 | 42 12 -7.9 -8.9 53 57 19812 65 10 -9.1 -4.2 | 349 15 3.0 -14.8 54 54 20117 100 25 -24.6 4.3 | 64 14 -12.6 -6.3 55 50 20550 90 43 -43.0 0.0 | 71 33 -31.0 -10.6 56 49 20726 90 42 -42.0 0.0 | 70 32 -30.0 -10.6 57 46 21031 80 45 -44.3 -7.8 | 60 37 -32.3 -18.4 58 42 21641 100 49 -48.3 8.5 | 87 36 -36.2 -2.1 59 36 22555 90 64 -64.0 0.0 | 78 53 -52.0 -10.6 60 34 22860 90 64 -64.0 0.0 | 78 53 -52.0 -10.6 61 30 23690 100 54 -53.2 9.4 | 88 41 -41.2 -1.2 62 25 24384 100 59 -58.1 10.2 | 90 46 -46.1 -0.4 Wind Parameters Mean winds (0-6000m): 101.5 at 21.4 knts Storm direction: 131.5 at 16.0 knts Shear (0-3000m) pos: 4.1 neg: 1.8 tot: 5.8 10-3/s Storm rel Dir Shear (0-3000m): -173.3 deg Storm rel helicity (0-3000m) pos: 71.6 neg: -32.3 tot: 39.2 m^2/s^2 ave: 13.1 10^-3 m/s^2 rel: 0.40 Storm rel vorticity (0-3000m) horiz: 9.7 stream: 3.9 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 21.65 Bulk Shear: 5.39 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 92 16 20 11| 10.1 0.0 10.1| 28.6 -2.9 25.7 51.5 0.80| 13.0 10.4 1000 94 17 28 11| 6.3 0.0 6.3| 35.7 -2.9 32.8 32.8 0.82| 7.9 6.5 1500 95 18 33 11| 4.2 0.0 4.2| 39.1 -3.7 35.3 23.5 0.76| 6.0 4.6 2000 102 18 41 9| 4.2 0.0 4.2| 54.4 -3.7 50.6 25.3 0.80| 7.6 6.0 2500 113 19 61 6| 4.9 0.0 4.9| 71.6 -6.8 64.7 25.9 0.72| 8.8 6.3 3000 123 20 93 5| 4.1 1.8 5.8| 71.6 -32.3 39.2 13.1 0.40| 9.7 3.9 4000 121 20 87 5| 3.0 3.1 6.1| 71.6 -51.2 20.3 5.1 0.14| 9.4 1.3 5000 111 20 65 8| 2.4 3.5 6.0| 85.3 -62.8 22.4 4.5 0.11| 8.8 1.0 6000 101 21 55 11| 2.3 3.4 5.7|113.8 -84.6 29.1 4.9 0.11| 8.5 0.9 Wrote GIF file: /home/apache/climate/data/raob//SBNT/skewt/SBNT.skewt.20251231.00.gif