UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121300.upa.cvt Date: 0000Z 13 DEC 25 Searching for SBNT... Searching the city database file for: SBNT ... Date:0000Z 13 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 1007 52 26.6 22.5 78 4.1 23.6 90 8 299.2 302.3 296.5 349.6 17.29 1 1000 98 26.2 21.8 77 4.4 23.0 95 14 299.4 302.4 296.2 348.0 16.66 2 939 650 21.0 20.7 98 0.3 20.8 94 18 299.5 302.5 296.2 347.9 16.59 3 926 772 21.0 17.1 78 3.9 18.4 90 18 300.7 303.1 294.3 339.9 13.36 4 925 781 20.8 17.0 79 3.8 18.2 90 18 300.6 303.0 294.2 339.6 13.29 5 865 1358 17.0 14.1 83 2.9 15.1 82 16 302.4 304.6 293.6 337.3 11.77 6 850 1508 16.8 11.8 72 5.0 13.6 85 17 303.7 305.6 292.9 334.4 10.28 7 842 1588 16.4 9.4 63 7.0 12.1 86 17 304.1 305.8 291.9 330.6 8.82 8 802 2003 18.2 -8.8 15 27.0 5.8 126 15 310.3 310.8 288.2 318.2 2.45 9 733 2763 11.2 -2.8 37 14.0 4.1 128 10 310.8 311.6 290.0 324.1 4.24 10 701 3134 10.2 -22.8 8 33.0 -1.0 91 7 313.7 313.8 287.6 316.6 0.87 11 700 3146 10.0 -21.0 9 31.0 -0.9 90 7 313.6 313.8 287.8 317.0 1.02 12 657 3669 6.8 -22.2 10 29.0 -3.0 33 3 315.7 315.9 288.4 319.0 0.98 13 555 5039 1.8 -35.2 4 37.0 -7.6 105 12 325.4 325.4 290.7 326.7 0.34 14 500 5870 -4.1 -23.1 21 19.0 -10.2 85 12 328.0 328.3 292.3 332.3 1.19 15 420 7221 -14.5 -30.5 24 16.0 -18.3 75 22 331.5 331.6 292.8 334.1 0.72 16 400 7590 -15.9 -33.9 20 18.0 -19.7 70 33 334.3 334.4 293.4 336.4 0.54 17 376 8053 -18.7 -44.7 8 26.0 -22.6 91 31 336.6 336.6 293.7 337.3 0.19 18 339 8818 -22.5 -52.5 5 30.0 -25.9 153 29 341.5 341.5 294.8 341.9 0.09 19 300 9700 -30.1 -54.1 8 24.0 -32.1 190 27 343.0 343.0 295.1 343.3 0.08 20 279 10212 -34.7 -52.7 14 18.0 -36.1 190 25 343.5 343.5 295.3 344.0 0.10 21 250 10970 -40.9 -59.9 11 19.0 -41.8 215 34 345.3 345.3 295.6 345.5 0.05 22 200 12450 -53.1 -68.1 15 15.0 -53.4 195 30 348.7 348.7 296.4 348.8 0.02 23 199 12482 -53.5 -69.5 13 16.0 -53.8 192 31 348.5 348.5 296.3 348.6 0.02 24 150 14240 -67.9 -77.9 23 10.0 -67.9 225 30 353.1 353.1 297.3 353.1 0.01 25 145 14443 -69.7 -80.7 19 11.0 -69.8 228 31 353.4 353.4 297.4 353.4 0.00 26 132 14996 -74.5 -80.5 39 6.0 -74.5 233 32 354.5 354.5 297.6 354.5 0.00 27 123 15405 -77.3 -81.7 49 4.4 -77.3 228 31 356.6 356.6 298.0 356.6 0.00 28 113 15888 -80.1 -85.1 43 5.0 -80.1 205 27 360.2 360.2 298.7 360.2 0.00 29 100 16580 -79.5 -86.5 30 7.0 -79.5 265 29 374.1 374.1 301.3 374.1 0.00 30 77 18048 -82.9 -89.9 29 7.0 -82.9 215 13 396.1 396.1 304.7 396.1 0.00 31 70 18580 -82.1 -90.1 24 8.0 -82.1 100 17 408.7 408.7 306.3 408.7 0.00 32 68 18742 -82.7 -91.7 20 9.0 -82.7 111 15 410.9 410.9 306.6 410.9 0.00 33 66 18911 -78.9 -89.9 15 11.0 -78.9 101 20 422.6 422.6 308.0 422.6 0.00 34 54 20066 -75.5 -90.5 8 15.0 -75.6 103 4 455.4 455.4 311.4 455.5 0.00 35 52 20287 -71.1 -90.1 4 19.0 -71.2 120 11 470.6 470.6 312.7 470.6 0.00 36 50 20520 -71.3 -91.3 4 20.0 -71.4 90 21 475.5 475.5 313.1 475.5 0.00 37 43 21413 -69.3 -92.3 2 23.0 -69.5 121 33 501.3 501.3 315.1 501.4 0.00 38 41 21698 -66.1 -91.1 2 25.0 -66.4 109 42 516.2 516.2 316.1 516.2 0.00 39 34 22844 -61.1 -89.1 1 28.0 -61.8 90 50 557.7 557.7 318.5 557.8 0.00 40 33 23029 -61.0 -89.0 1 28.0 -61.7 90 65 562.9 562.9 318.8 562.9 0.00 41 30 23620 -60.5 -88.5 1 28.0 -61.4 95 62 579.7 579.7 319.6 579.7 0.01 42 29 23831 -60.1 -88.1 1 28.0 -61.0 93 62 586.5 586.5 320.0 586.5 0.01 43 29 23831 -60.3 -88.3 1 28.0 -61.2 93 62 585.9 585.9 319.9 585.9 0.01 TRP 113 15888 -80.1 -85.1 43 5.0 -80.1 205 27 360.2 360.2 298.7 360.2 0.00 WND 33 23029 -61.0 -89.0 1 28.0 -61.7 90 65 562.9 562.9 318.8 562.9 0.00 Sounding variables and indices 1000-500 mb thick: 5772.00 m Freezing level: 538.22 mb = 5292.48 m = 17363.56 ft Wetbulb zero: 707.13 mb = 3061.67 m = 10044.74 ft Precipitable water: 1.24 inches Sfc-500 mean rel hum: 33.28 % Est. max temperature: 30.59 C = 87.06 F Sfc-Lift cond lev (LCL): 948.97 mb = 557.71 m = 1829.72 ft T: 21.87 C 700-500 lapse rate: 5.18 C/km ThetaE index: 31.41 C Layer 1000.0- 733.0 mb Conv cond level (CCL): 898.98 mb = 1026.64 m = 3368.19 ft Mean mixing ratio: 15.73 g/kg Conv temperature: 28.82 C = 83.88 F Cap Strength: 3.65 C Lifted Index: 0.39 C Risk: Showers probable Lifted Index @300 mb: 0.58 C Lifted Index @700 mb: 0.61 C Showalter Index: 5.08 C Risk: None Total Totals Index: 36.80 C Risk: None Vertical Totals Index: 20.90 C Cross Totals Index: 15.90 C K Index: 1.70 Risk: None Sweat Index: 187.60 Risk: None Energy Index: -0.29 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 83.55 J/kg Max Up Vert Vel: 12.93 m/s Conv Inhibition (B-): 8.93 J/kg Cap Strength: 3.53 C Lift Cond Lev (LCL): 920.17 mb = 826.09 m = 2710.25 ft Lev Free Conv (LFC): 875.17 mb = 1257.82 m = 4126.65 ft Equ Level (EL): 845.17 mb = 1556.45 m = 5106.40 ft B at Equ Level: 7.95 J/kg Max Parcel Lev (MPL): 815.17 mb = 1864.28 m = 6116.33 ft Wind level data Storm motion: 130 at 9 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 1007 52 90 8 -8.0 0.0 | 15 6 -1.5 -5.5 1 1000 98 95 14 -13.9 1.2 | 60 9 -7.4 -4.3 2 977 305 85 17 -16.9 -1.5 | 56 13 -10.4 -7.0 3 943 610 95 18 -17.9 1.6 | 71 12 -11.4 -3.9 4 925 781 90 18 -18.0 0.0 | 64 13 -11.5 -5.5 5 911 914 85 17 -16.9 -1.5 | 56 13 -10.4 -7.0 6 879 1219 80 15 -14.8 -2.6 | 46 12 -8.2 -8.1 7 850 1508 85 17 -16.9 -1.5 | 56 13 -10.4 -7.0 8 818 1829 90 16 -16.0 0.0 | 60 11 -9.5 -5.5 9 789 2134 155 15 -6.3 13.6 | 181 8 0.2 8.1 10 761 2438 160 13 -4.4 12.2 | 197 7 2.1 6.7 11 700 3146 90 7 -7.0 0.0 | 5 5 -0.5 -5.5 12 633 3962 0 0 -0.0 -0.0 | 310 9 6.5 -5.5 13 609 4267 75 3 -2.9 -0.8 | 330 7 3.6 -6.3 14 587 4572 80 11 -10.8 -1.9 | 30 9 -4.3 -7.4 15 565 4877 90 11 -11.0 0.0 | 39 7 -4.5 -5.5 16 544 5182 120 13 -11.3 6.5 | 102 5 -4.7 1.0 17 524 5486 90 12 -12.0 0.0 | 45 8 -5.5 -5.5 18 505 5791 105 14 -13.5 3.6 | 75 7 -7.0 -1.9 19 500 5870 85 12 -12.0 -1.0 | 40 8 -5.4 -6.5 20 486 6096 95 13 -13.0 1.1 | 56 8 -6.4 -4.3 21 467 6401 105 14 -13.5 3.6 | 75 7 -7.0 -1.9 22 431 7010 85 15 -14.9 -1.3 | 51 11 -8.4 -6.8 23 415 7315 70 25 -23.5 -8.6 | 50 22 -17.0 -14.0 24 400 7590 70 33 -31.0 -11.3 | 56 30 -24.5 -16.8 25 382 7925 75 34 -32.8 -8.8 | 62 30 -26.3 -14.3 26 367 8230 115 26 -23.6 11.0 | 108 18 -17.0 5.5 27 337 8839 155 29 -12.3 26.3 | 165 22 -5.7 20.8 28 300 9700 190 27 4.7 26.6 | 208 24 11.2 21.1 29 273 10363 190 25 4.3 24.6 | 210 22 10.9 19.1 30 261 10668 210 29 14.5 25.1 | 227 29 21.0 19.6 31 250 10970 215 34 19.5 27.9 | 229 34 26.0 22.4 32 239 11278 215 34 19.5 27.9 | 229 34 26.0 22.4 33 200 12450 195 30 7.8 29.0 | 211 28 14.3 23.5 34 199 12497 190 32 5.6 31.5 | 205 29 12.1 26.0 35 150 14240 225 30 21.2 21.2 | 240 32 27.8 15.7 36 140 14630 230 32 24.5 20.6 | 244 35 31.1 15.1 37 126 15240 235 32 26.2 18.4 | 249 35 32.8 12.9 38 113 15888 205 27 11.4 24.5 | 223 26 17.9 19.0 39 108 16154 200 25 8.6 23.5 | 220 23 15.1 18.0 40 102 16459 205 23 9.7 20.8 | 227 22 16.3 15.4 41 100 16580 265 29 28.9 2.5 | 275 36 35.4 -2.9 42 97 16764 265 29 28.9 2.5 | 275 36 35.4 -2.9 43 87 17374 290 48 45.1 -16.4 | 293 56 51.6 -21.9 44 78 17983 235 15 12.3 8.6 | 261 19 18.8 3.1 45 74 18288 135 5 -3.5 3.5 | 303 4 3.0 -1.9 46 70 18580 100 17 -16.7 3.0 | 76 11 -10.2 -2.5 47 70 18593 120 11 -9.5 5.5 | 90 3 -3.0 0.0 48 63 19202 85 27 -26.9 -2.4 | 69 22 -20.4 -7.8 49 60 19507 75 23 -22.2 -6.0 | 54 19 -15.7 -11.4 50 57 19812 125 10 -8.2 5.7 | 99 2 -1.7 0.3 51 54 20117 100 3 -3.0 0.5 | 324 6 3.6 -5.0 52 51 20422 135 16 -11.3 11.3 | 141 8 -4.8 5.8 53 50 20520 90 21 -21.0 0.0 | 69 15 -14.5 -5.5 54 48 20726 95 19 -18.9 1.7 | 73 13 -12.4 -3.8 55 44 21336 125 30 -24.6 17.2 | 123 22 -18.0 11.7 56 39 21946 100 49 -48.3 8.5 | 94 42 -41.7 3.0 57 36 22555 85 49 -48.8 -4.3 | 77 43 -42.3 -9.7 58 34 22860 90 50 -50.0 0.0 | 83 44 -43.5 -5.5 59 33 23029 90 65 -65.0 0.0 | 85 59 -58.5 -5.5 60 31 23470 90 65 -65.0 0.0 | 85 59 -58.5 -5.5 61 30 23620 95 62 -61.8 5.4 | 90 55 -55.2 -0.1 62 27 24079 90 63 -63.0 0.0 | 84 57 -56.5 -5.5 Wind Parameters Mean winds (0-6000m): 100.0 at 11.4 knts Storm direction: 130.0 at 8.5 knts Shear (0-3000m) pos: 2.3 neg: 2.1 tot: 4.3 10-3/s Storm rel Dir Shear (0-3000m): 0.4 deg Storm rel helicity (0-3000m) pos: 63.9 neg: -23.6 tot: 40.3 m^2/s^2 ave: 13.4 10^-3 m/s^2 rel: 0.30 Storm rel vorticity (0-3000m) horiz: 9.2 stream: 2.7 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 24.14 Bulk Shear: 3.46 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 90 16 59 11| 10.1 0.0 10.1| 17.4 -1.0 16.4 32.9 0.65| 12.5 8.1 1000 89 17 61 12| 5.1 1.8 6.9| 18.3 -13.8 4.5 4.5 0.26| 8.5 2.2 1500 87 16 57 12| 3.7 1.2 4.9| 24.9 -16.8 8.1 5.4 0.27| 6.8 1.8 2000 90 16 61 11| 3.8 0.9 4.7| 51.9 -16.8 35.0 17.5 0.53| 8.9 4.7 2500 100 16 73 9| 2.7 0.7 3.5| 63.9 -18.7 45.2 18.1 0.54| 9.0 4.8 3000 103 15 75 8| 2.3 2.1 4.3| 63.9 -23.6 40.3 13.4 0.30| 9.2 2.7 4000 102 12 60 6| 1.7 2.1 3.8| 65.6 -41.4 24.2 6.1 0.13| 8.3 1.1 5000 100 11 51 6| 2.2 1.7 3.8| 92.7 -41.4 51.3 10.3 0.28| 8.3 2.3 6000 100 11 53 6| 1.8 1.6 3.4|103.2 -55.4 47.7 8.0 0.21| 8.2 1.7 Wrote GIF file: /home/apache/climate/data/raob//SBNT/skewt/SBNT.skewt.20251213.00.gif