UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120912.upa.cvt Date: 1200Z 9 DEC 25 Searching for SBNT... Searching the city database file for: SBNT ... Date:1200Z 9 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 29.8 21.8 62 8.0 24.0 135 10 302.2 305.2 296.8 350.9 16.51 1 1000 121 27.6 21.6 70 6.0 23.3 135 13 300.8 303.8 296.4 349.1 16.46 2 995 165 25.4 21.1 77 4.3 22.3 133 13 299.0 301.9 295.7 345.7 16.03 3 925 802 19.8 18.3 91 1.5 18.8 105 16 299.6 302.2 294.7 341.8 14.46 4 906 981 18.6 17.2 92 1.4 17.7 99 17 300.1 302.6 294.4 340.4 13.75 5 850 1527 16.2 13.6 85 2.6 14.5 95 26 303.1 305.3 293.7 337.5 11.60 6 843 1597 15.8 12.8 82 3.0 13.8 94 25 303.4 305.5 293.4 336.4 11.09 7 829 1740 17.4 4.4 42 13.0 9.9 93 24 306.6 307.7 290.5 325.9 6.33 8 799 2054 16.4 1.4 36 15.0 8.2 91 20 308.7 309.7 290.3 325.1 5.30 9 746 2633 12.0 1.0 47 11.0 6.0 82 23 310.1 311.1 290.9 327.2 5.52 10 700 3164 10.4 -10.6 22 21.0 1.3 85 26 314.0 314.5 289.3 321.9 2.43 11 683 3368 9.6 -15.4 15 25.0 -0.3 85 24 315.3 315.6 289.0 320.9 1.69 12 575 4770 0.0 -30.0 8 30.0 -8.1 353 4 320.0 320.1 289.3 322.0 0.55 13 543 5227 -1.1 -37.1 5 36.0 -9.5 356 2 324.0 324.0 290.3 325.1 0.29 14 537 5315 -1.3 -38.3 4 37.0 -9.7 357 2 324.8 324.8 290.5 325.7 0.26 15 513 5678 -3.5 -21.5 23 18.0 -9.5 359 0 326.4 326.6 292.0 331.1 1.34 16 500 5880 -5.5 -11.5 63 6.0 -8.0 260 7 326.3 327.0 293.6 337.0 3.17 17 496 5943 -6.1 -10.0 74 3.9 -7.8 256 6 326.4 327.1 293.9 338.5 3.61 18 400 7600 -16.1 -29.1 32 13.0 -19.3 235 13 334.1 334.2 293.6 337.2 0.86 19 381 7963 -18.3 -33.3 26 15.0 -21.4 247 12 335.8 336.0 293.9 338.1 0.61 20 320 9234 -28.9 -44.9 20 16.0 -30.7 305 16 338.3 338.4 294.1 339.2 0.22 21 300 9690 -32.7 -46.7 23 14.0 -34.1 305 19 339.3 339.3 294.3 340.1 0.19 22 250 10950 -44.5 -48.4 65 3.9 -44.7 300 19 339.9 339.9 294.5 340.7 0.19 23 248 11004 -44.9 -48.9 64 4.0 -45.2 292 20 340.1 340.1 294.5 340.8 0.18 24 225 11649 -49.5 -62.5 20 13.0 -49.8 332 23 342.6 342.7 295.0 342.8 0.04 25 200 12410 -55.9 -65.9 28 10.0 -56.1 350 31 344.2 344.2 295.4 344.4 0.03 26 187 12831 -59.1 -66.1 40 7.0 -59.2 350 40 345.8 345.8 295.7 345.9 0.03 27 183 12965 -60.3 -68.3 34 8.0 -60.4 350 38 345.9 346.0 295.7 346.0 0.02 28 171 13383 -62.1 -76.1 14 14.0 -62.2 337 29 349.7 349.7 296.6 349.8 0.01 29 150 14180 -66.1 -78.1 17 12.0 -66.2 225 13 356.2 356.2 298.0 356.2 0.01 30 131 14991 -71.9 -80.9 25 9.0 -71.9 264 21 359.9 359.9 298.7 359.9 0.00 31 123 15363 -70.7 -83.7 13 13.0 -70.8 268 25 368.6 368.6 300.3 368.7 0.00 32 100 16570 -77.9 -86.9 22 9.0 -77.9 240 21 377.2 377.2 301.8 377.2 0.00 33 70 18590 -82.9 -89.9 29 7.0 -82.9 95 14 407.0 407.0 306.2 407.0 0.00 34 69 18670 -83.3 -90.3 28 7.0 -83.3 90 13 407.8 407.8 306.2 407.9 0.00 35 66 18917 -82.3 -92.3 16 10.0 -82.3 78 14 415.2 415.2 307.2 415.2 0.00 36 64 19092 -73.9 -88.9 8 15.0 -74.0 69 15 437.4 437.4 309.6 437.4 0.00 37 62 19279 -71.3 -88.3 6 17.0 -71.4 38 15 447.1 447.1 310.6 447.1 0.00 38 52 20318 -70.5 -89.5 4 19.0 -70.6 175 14 472.0 472.0 312.8 472.0 0.00 39 50 20550 -71.7 -89.7 5 18.0 -71.8 105 18 474.5 474.5 313.0 474.5 0.00 40 44 21307 -72.1 -91.1 4 19.0 -72.2 77 32 491.2 491.2 314.3 491.2 0.00 41 35 22676 -66.9 -90.9 2 24.0 -67.2 82 56 538.0 538.0 317.4 538.0 0.00 42 34 22852 -67.3 -91.3 2 24.0 -67.6 83 58 541.4 541.4 317.6 541.5 0.00 43 30 23620 -61.1 -89.1 1 28.0 -61.9 90 67 578.1 578.1 319.6 578.1 0.00 44 29 23832 -59.5 -88.5 1 29.0 -60.5 90 68 588.1 588.1 320.0 588.1 0.01 45 23 25296 -56.1 -85.8 1 29.6 -57.9 90 73 638.3 638.3 322.2 638.4 0.01 46 20 26190 -54.1 -84.1 1 30.0 -56.5 95 64 670.6 670.6 323.4 670.7 0.02 47 18 26867 -53.5 -84.5 1 31.0 -56.2 97 64 693.0 693.0 324.2 693.1 0.02 48 17 27236 -51.9 -83.9 1 32.0 -55.2 97 64 709.5 709.5 324.7 709.7 0.02 TRP 69 18670 -83.3 -90.3 28 7.0 -83.3 90 13 407.8 407.8 306.2 407.9 0.00 WND 23 25296 -56.1 -85.8 1 29.6 -57.9 90 73 638.3 638.3 322.2 638.4 0.01 Sounding variables and indices 1000-500 mb thick: 5759.00 m Freezing level: 575.00 mb = 4769.53 m = 15647.88 ft Wetbulb zero: 686.05 mb = 3331.00 m = 10928.34 ft Precipitable water: 1.43 inches Sfc-500 mean rel hum: 39.12 % Est. max temperature: 30.25 C = 86.44 F Sfc-Lift cond lev (LCL): 898.82 mb = 1048.88 m = 3441.17 ft T: 18.30 C 700-500 lapse rate: 5.85 C/km ThetaE index: 25.81 C Layer 1000.0- 746.0 mb Conv cond level (CCL): 910.16 mb = 941.38 m = 3088.46 ft Mean mixing ratio: 15.22 g/kg Conv temperature: 27.60 C = 81.68 F Cap Strength: 2.43 C Lifted Index: -0.36 C Risk: Thunderstorms probable Lifted Index @300 mb: -1.02 C Lifted Index @700 mb: 1.47 C Showalter Index: 2.33 C Risk: Showers probable Total Totals Index: 40.80 C Risk: None Vertical Totals Index: 21.70 C Cross Totals Index: 19.10 C K Index: 14.30 Risk: None Sweat Index: 222.20 Risk: None Energy Index: -0.10 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 213.38 J/kg Max Up Vert Vel: 20.66 m/s Conv Inhibition (B-): 5.38 J/kg Cap Strength: 2.61 C Lift Cond Lev (LCL): 915.91 mb = 887.06 m = 2910.26 ft Lev Free Conv (LFC): 900.91 mb = 1029.01 m = 3375.99 ft Equ Level (EL): 840.91 mb = 1618.31 m = 5309.36 ft B at Equ Level: 5.80 J/kg Max Parcel Lev (MPL): 820.91 mb = 1823.21 m = 5981.59 ft Wind level data Storm motion: 117 at 11 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 52 135 10 -7.1 7.1 | 232 3 2.7 2.1 1 1000 121 135 13 -9.2 9.2 | 188 4 0.6 4.3 2 979 305 125 15 -12.3 8.6 | 146 4 -2.5 3.7 3 946 610 115 15 -13.6 6.3 | 110 4 -3.8 1.4 4 925 802 105 16 -15.5 4.1 | 82 6 -5.7 -0.8 5 913 914 100 16 -15.8 2.8 | 70 6 -6.0 -2.1 6 850 1527 95 26 -25.9 2.3 | 81 16 -16.1 -2.7 7 791 2134 90 19 -19.0 0.0 | 62 10 -9.2 -4.9 8 763 2438 85 21 -20.9 -1.8 | 59 13 -11.1 -6.8 9 736 2743 80 24 -23.6 -4.2 | 57 17 -13.9 -9.1 10 710 3048 85 28 -27.9 -2.4 | 68 20 -18.1 -7.4 11 700 3164 85 26 -25.9 -2.3 | 66 18 -16.1 -7.2 12 658 3658 85 21 -20.9 -1.8 | 59 13 -11.1 -6.8 13 634 3962 35 12 -6.9 -9.8 | 349 15 2.9 -14.8 14 611 4267 350 6 1.0 -5.9 | 315 15 10.8 -10.8 15 506 5791 0 0 -0.0 -0.0 | 297 11 9.8 -4.9 16 500 5880 260 7 6.9 1.2 | 283 17 16.7 -3.7 17 486 6096 245 4 3.6 1.7 | 284 14 13.4 -3.2 18 449 6706 240 10 8.7 5.0 | 270 18 18.4 0.1 19 432 7010 240 16 13.9 8.0 | 263 24 23.6 3.1 20 400 7600 235 13 10.6 7.5 | 263 21 20.4 2.5 21 399 7620 225 13 9.2 9.2 | 257 19 19.0 4.3 22 367 8230 265 11 11.0 1.0 | 281 21 20.7 -4.0 23 352 8534 265 14 13.9 1.2 | 279 24 23.7 -3.7 24 323 9144 305 15 12.3 -8.6 | 302 26 22.1 -13.5 25 300 9690 305 19 15.6 -10.9 | 302 30 25.3 -15.8 26 297 9754 310 19 14.6 -12.2 | 305 30 24.3 -17.1 27 284 10058 285 20 19.3 -5.2 | 289 31 29.1 -10.1 28 250 10950 300 19 16.5 -9.5 | 299 30 26.2 -14.4 29 249 10973 290 20 18.8 -6.8 | 292 31 28.6 -11.8 30 227 11582 330 23 11.5 -19.9 | 319 33 21.3 -24.8 31 217 11887 340 21 7.2 -19.7 | 325 30 17.0 -24.7 32 200 12410 350 31 5.4 -30.5 | 337 39 15.2 -35.5 33 188 12802 350 40 6.9 -39.4 | 339 47 16.7 -44.3 34 179 13106 350 36 6.3 -35.5 | 338 43 16.0 -40.4 35 162 13716 320 19 12.2 -14.6 | 312 29 22.0 -19.5 36 150 14180 225 13 9.2 9.2 | 257 19 19.0 4.3 37 146 14326 210 10 5.0 8.7 | 256 15 14.8 3.7 38 139 14630 250 15 14.1 5.1 | 270 24 23.9 0.2 39 125 15240 275 25 24.9 -2.2 | 282 35 34.7 -7.1 40 119 15545 255 26 25.1 6.7 | 267 35 34.9 1.8 41 107 16154 270 32 32.0 -0.0 | 277 42 41.8 -4.9 42 102 16459 265 25 24.9 2.2 | 275 35 34.7 -2.7 43 100 16570 240 21 18.2 10.5 | 259 29 28.0 5.6 44 97 16764 240 21 18.2 10.5 | 259 29 28.0 5.6 45 87 17374 270 20 20.0 -0.0 | 279 30 29.8 -4.9 46 82 17678 260 14 13.8 2.4 | 276 24 23.6 -2.5 47 78 17983 140 10 -6.4 7.7 | 231 4 3.3 2.7 48 74 18288 175 12 -1.0 12.0 | 231 11 8.7 7.0 49 70 18590 95 14 -13.9 1.2 | 48 6 -4.2 -3.7 50 70 18593 120 10 -8.7 5.0 | 266 1 1.1 0.1 51 69 18670 90 13 -13.0 0.0 | 33 6 -3.2 -4.9 52 63 19202 65 15 -13.6 -6.3 | 19 12 -3.8 -11.3 53 60 19507 335 16 6.8 -14.5 | 320 26 16.5 -19.4 54 57 19812 280 11 10.8 -1.9 | 288 22 20.6 -6.8 55 54 20117 175 17 -1.5 16.9 | 215 15 8.3 12.0 56 51 20422 175 12 -1.0 12.0 | 231 11 8.7 7.0 57 50 20550 105 18 -17.4 4.7 | 88 8 -7.6 -0.3 58 46 21031 105 19 -18.4 4.9 | 90 9 -8.6 -0.0 59 44 21336 75 33 -31.9 -8.5 | 59 26 -22.1 -13.5 60 40 21946 75 47 -45.4 -12.2 | 64 40 -35.6 -17.1 61 30 23620 90 67 -67.0 0.0 | 85 57 -57.2 -4.9 62 27 24384 90 70 -70.0 0.0 | 85 60 -60.2 -4.9 63 23 25296 90 73 -73.0 0.0 | 86 63 -63.2 -4.9 64 22 25603 90 73 -73.0 0.0 | 86 63 -63.2 -4.9 65 20 26190 95 64 -63.8 5.6 | 91 54 -54.0 0.6 66 14 27432 100 63 -62.0 10.9 | 97 53 -52.3 6.0 Wind Parameters Mean winds (0-6000m): 86.8 at 14.6 knts Storm direction: 116.8 at 10.9 knts Shear (0-3000m) pos: 1.0 neg: 3.0 tot: 4.1 10-3/s Storm rel Dir Shear (0-3000m): -163.8 deg Storm rel helicity (0-3000m) pos: 19.8 neg: -31.7 tot: -12.0 m^2/s^2 ave: -4.0 10^-3 m/s^2 rel: -0.31 Storm rel vorticity (0-3000m) horiz: 6.9 stream: -2.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 17.47 Bulk Shear: 12.21 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 ------------------------------------------------------------------------------- 500 126 14 154 4| 0.0 6.5 6.5| 0.0 -8.1 -8.1 -16.3 -0.99| 8.4 -8.3 1000 115 15 111 4| 0.0 6.0 6.0| 1.0 -13.3 -12.4 -12.4 -0.77| 7.7 -5.9 1500 107 17 92 7| 0.0 6.6 6.6| 3.6 -13.8 -10.2 -6.8 -0.48| 7.7 -3.7 2000 103 19 85 9| 0.0 3.7 3.7| 3.6 -26.2 -22.6 -11.3 -0.50| 7.3 -3.7 2500 99 19 79 9| 0.0 3.7 3.7| 3.6 -30.6 -27.0 -10.8 -0.47| 6.8 -3.2 3000 96 20 74 11| 1.0 3.0 4.1| 19.8 -31.7 -12.0 -4.0 -0.31| 6.9 -2.1 4000 91 20 67 11| 0.8 2.5 3.2| 19.8-115.3 -95.5 -23.9 -0.52| 8.6 -4.5 5000 88 17 53 9| 0.7 1.9 2.6| 19.8-146.7-127.0 -25.4 -0.56| 7.8 -4.4 6000 87 15 40 7| 0.7 1.7 2.4| 20.4-170.1-149.7 -25.0 -0.55| 7.6 -4.2 Wrote GIF file: /home/apache/climate/data/raob//SBNT/skewt/SBNT.skewt.20251209.12.gif