UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121200.upa.cvt Date: 0000Z 12 DEC 25 Searching for SBNT... Searching the city database file for: SBNT ... Date:0000Z 12 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 1008 52 26.8 23.3 81 3.5 24.3 100 7 299.3 302.6 297.1 352.3 18.15 1 1000 107 26.2 22.6 81 3.6 23.6 100 14 299.4 302.5 296.7 350.5 17.52 2 945 605 21.8 20.8 94 1.0 21.1 90 18 299.8 302.8 296.3 348.3 16.58 3 925 791 21.0 17.6 81 3.4 18.7 90 20 300.8 303.3 294.6 341.3 13.82 4 860 1419 17.6 13.8 78 3.8 15.1 90 15 303.6 305.7 293.9 338.1 11.61 5 850 1519 17.8 10.8 64 7.0 13.4 90 14 304.8 306.6 292.7 333.6 9.61 6 833 1692 18.0 7.0 49 11.0 11.4 87 13 306.8 308.2 291.6 329.7 7.56 7 773 2329 15.8 -14.2 11 30.0 3.5 139 8 311.0 311.3 287.6 316.4 1.65 8 700 3163 10.6 -18.4 11 29.0 -0.2 145 9 314.2 314.5 288.3 318.5 1.28 9 634 3978 4.4 -12.6 28 17.0 -2.6 35 1 316.2 316.6 289.9 323.7 2.29 10 609 4304 1.8 -18.2 21 20.0 -5.3 96 4 316.8 317.1 289.3 321.9 1.50 11 567 4878 0.2 -33.8 6 34.0 -8.3 110 11 321.5 321.6 289.6 322.9 0.39 12 563 4935 0.4 -35.6 5 36.0 -8.4 111 11 322.4 322.5 289.9 323.6 0.33 13 543 5225 0.2 -30.8 8 31.0 -8.3 116 14 325.5 325.6 291.0 327.5 0.54 14 500 5880 -4.5 -25.5 18 21.0 -10.8 135 14 327.6 327.7 292.0 331.0 0.96 15 458 6561 -10.1 -26.1 26 16.0 -14.5 124 9 328.9 329.1 292.4 332.4 0.99 16 432 7008 -12.7 -27.7 27 15.0 -16.6 91 4 331.1 331.3 292.9 334.4 0.91 17 409 7422 -14.3 -36.3 14 22.0 -18.8 86 5 334.3 334.4 293.3 335.9 0.42 18 400 7590 -15.9 -35.9 16 20.0 -19.9 85 6 334.3 334.4 293.3 336.0 0.45 19 343 8728 -25.7 -40.7 23 15.0 -27.8 154 10 336.0 336.1 293.6 337.3 0.32 20 322 9185 -27.5 -52.5 7 25.0 -29.9 166 16 339.7 339.7 294.3 340.1 0.09 21 300 9690 -31.7 -51.7 12 20.0 -33.4 180 24 340.7 340.7 294.6 341.1 0.11 22 274 10323 -37.5 -55.5 14 18.0 -38.6 185 21 341.2 341.3 294.7 341.6 0.08 23 250 10950 -40.9 -69.9 3 29.0 -41.9 125 15 345.3 345.3 295.6 345.3 0.01 24 249 10977 -41.1 -71.1 2 30.0 -42.1 125 19 345.4 345.4 295.6 345.4 0.01 25 200 12430 -53.1 -70.1 11 17.0 -53.4 165 35 348.7 348.7 296.4 348.7 0.02 26 180 13102 -58.5 -73.5 13 15.0 -58.7 174 33 350.5 350.5 296.8 350.6 0.01 27 176 13243 -59.5 -78.5 7 19.0 -59.7 179 32 351.1 351.1 296.9 351.2 0.00 28 155 14030 -64.7 -78.7 13 14.0 -64.8 240 31 355.3 355.3 297.8 355.3 0.01 29 150 14230 -66.7 -76.7 23 10.0 -66.8 245 33 355.2 355.2 297.7 355.2 0.01 30 138 14728 -71.1 -74.7 59 3.6 -71.1 249 38 356.0 356.0 297.9 356.1 0.01 31 110 16038 -80.3 -85.1 44 4.8 -80.3 240 36 362.6 362.6 299.2 362.6 0.00 32 106 16247 -80.7 -86.7 36 6.0 -80.7 252 33 365.7 365.7 299.8 365.7 0.00 33 101 16522 -75.5 -85.5 19 10.0 -75.5 267 29 380.8 380.8 302.3 380.8 0.00 34 100 16580 -75.7 -85.7 19 10.0 -75.7 270 28 381.5 381.5 302.5 381.5 0.00 35 86 17435 -81.5 -89.5 24 8.0 -81.5 253 15 386.6 386.6 303.3 386.6 0.00 36 79 17911 -79.9 -87.9 25 8.0 -79.9 211 12 399.4 399.4 305.1 399.4 0.00 37 74 18277 -82.5 -90.5 24 8.0 -82.5 157 10 401.5 401.5 305.4 401.5 0.00 38 71 18510 -78.7 -88.7 18 10.0 -78.7 195 13 414.3 414.3 307.0 414.3 0.00 39 70 18590 -79.5 -88.5 21 9.0 -79.5 210 14 414.3 414.3 307.0 414.3 0.00 40 64 19098 -80.5 -90.5 17 10.0 -80.5 200 13 422.9 422.9 308.0 422.9 0.00 41 57 19768 -71.3 -88.3 6 17.0 -71.4 90 10 458.0 458.0 311.6 458.0 0.00 42 53 20196 -73.3 -90.3 6 17.0 -73.4 82 14 463.0 463.0 312.0 463.0 0.00 43 50 20540 -70.9 -90.9 4 20.0 -71.1 90 29 476.4 476.4 313.2 476.4 0.00 44 48 20783 -68.9 -89.9 3 21.0 -69.1 90 27 486.8 486.8 314.0 486.8 0.00 45 40 21868 -70.9 -92.9 2 22.0 -71.1 84 35 507.8 507.8 315.5 507.8 0.00 46 39 22020 -66.5 -91.5 2 25.0 -66.8 88 36 522.6 522.6 316.5 522.6 0.00 TRP 110 16038 -80.3 -85.1 44 4.8 -80.3 240 36 362.6 362.6 299.2 362.6 0.00 WND Sounding variables and indices 1000-500 mb thick: 5773.00 m Freezing level: 541.17 mb = 5252.52 m = 17232.47 ft Wetbulb zero: 704.24 mb = 3112.17 m = 10210.39 ft Precipitable water: 1.27 inches Sfc-500 mean rel hum: 33.88 % Est. max temperature: 31.35 C = 88.44 F Sfc-Lift cond lev (LCL): 958.44 mb = 480.32 m = 1575.84 ft T: 22.90 C 700-500 lapse rate: 5.56 C/km ThetaE index: 35.89 C Layer 1000.0- 700.0 mb Conv cond level (CCL): 895.55 mb = 1069.82 m = 3509.86 ft Mean mixing ratio: 16.11 g/kg Conv temperature: 29.56 C = 85.21 F Cap Strength: 2.25 C Lifted Index: -0.54 C Risk: Thunderstorms probable Lifted Index @300 mb: -1.78 C Lifted Index @700 mb: 0.80 C Showalter Index: 5.06 C Risk: None Total Totals Index: 37.60 C Risk: None Vertical Totals Index: 22.30 C Cross Totals Index: 15.30 C K Index: 4.10 Risk: None Sweat Index: 171.60 Risk: None Energy Index: -0.37 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 461.26 J/kg Max Up Vert Vel: 30.37 m/s Conv Inhibition (B-): 110.30 J/kg Cap Strength: 2.24 C Lift Cond Lev (LCL): 922.87 mb = 810.84 m = 2660.22 ft Lev Free Conv (LFC): 667.87 mb = 3549.58 m = 11645.47 ft Equ Level (EL): 547.87 mb = 5153.03 m = 16906.06 ft B at Equ Level: 85.93 J/kg Max Parcel Lev (MPL): 137.87 mb = 14733.47 m = 48337.58 ft Wind level data Storm motion: 141 at 8 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 1008 52 100 7 -6.9 1.2 | 18 5 -1.7 -5.2 1 1000 107 100 14 -13.8 2.4 | 65 9 -8.6 -4.0 2 978 305 95 17 -16.9 1.5 | 67 13 -11.7 -4.9 3 944 610 90 18 -18.0 0.0 | 63 14 -12.8 -6.4 4 925 791 90 20 -20.0 0.0 | 67 16 -14.8 -6.4 5 912 914 90 18 -18.0 0.0 | 63 14 -12.8 -6.4 6 850 1519 90 14 -14.0 0.0 | 54 11 -8.8 -6.4 7 819 1829 85 12 -12.0 -1.0 | 42 10 -6.7 -7.5 8 790 2134 145 7 -4.0 5.7 | 299 1 1.2 -0.7 9 763 2438 135 9 -6.4 6.4 | 87 1 -1.1 -0.1 10 700 3163 145 9 -5.2 7.4 | 184 1 0.1 1.0 11 634 3962 35 1 -0.6 -0.8 | 327 9 4.7 -7.2 12 611 4267 95 4 -4.0 0.3 | 348 6 1.2 -6.1 13 566 4877 110 11 -10.3 3.8 | 63 6 -5.1 -2.7 14 525 5486 120 17 -14.7 8.5 | 102 10 -9.5 2.1 15 506 5791 145 15 -8.6 12.3 | 150 7 -3.4 5.9 16 500 5880 135 14 -9.9 9.9 | 127 6 -4.7 3.5 17 486 6096 135 13 -9.2 9.2 | 125 5 -4.0 2.8 18 467 6401 135 11 -7.8 7.8 | 118 3 -2.5 1.4 19 431 7010 90 4 -4.0 0.0 | 349 7 1.2 -6.4 20 400 7590 85 6 -6.0 -0.5 | 6 7 -0.7 -6.9 21 382 7925 95 10 -10.0 0.9 | 40 7 -4.7 -5.5 22 366 8230 125 11 -9.0 6.3 | 88 4 -3.8 -0.1 23 351 8534 125 10 -8.2 5.7 | 77 3 -3.0 -0.7 24 337 8839 175 10 -0.9 10.0 | 231 6 4.4 3.5 25 323 9144 165 16 -4.1 15.5 | 187 9 1.1 9.0 26 300 9690 180 24 0.0 24.0 | 197 18 5.2 17.6 27 297 9754 180 24 0.0 24.0 | 197 18 5.2 17.6 28 272 10363 185 21 1.8 20.9 | 206 16 7.1 14.5 29 250 10950 125 15 -12.3 8.6 | 107 7 -7.1 2.2 30 249 10973 125 19 -15.6 10.9 | 113 11 -10.3 4.5 31 238 11278 160 18 -6.2 16.9 | 175 11 -0.9 10.5 32 217 11887 175 20 -1.7 19.9 | 194 14 3.5 13.5 33 200 12430 165 35 -9.1 33.8 | 172 28 -3.8 27.4 34 188 12802 165 36 -9.3 34.8 | 172 29 -4.1 28.4 35 163 13716 195 27 7.0 26.1 | 212 23 12.2 19.7 36 155 14021 240 31 26.8 15.5 | 254 33 32.1 9.1 37 150 14230 245 33 29.9 13.9 | 258 36 35.1 7.5 38 120 15545 255 46 44.4 11.9 | 264 50 49.7 5.5 39 110 16038 240 36 31.2 18.0 | 252 38 36.4 11.6 40 100 16580 270 28 28.0 -0.0 | 281 34 33.2 -6.4 41 97 16764 270 28 28.0 -0.0 | 281 34 33.2 -6.4 42 87 17374 255 15 14.5 3.9 | 277 20 19.7 -2.5 43 82 17678 245 13 11.8 5.5 | 273 17 17.0 -0.9 44 74 18288 155 10 -4.2 9.1 | 201 3 1.0 2.6 45 70 18590 210 14 7.0 12.1 | 245 13 12.2 5.7 46 70 18593 235 10 8.2 5.7 | 273 13 13.4 -0.7 47 66 18898 210 13 6.5 11.3 | 248 13 11.7 4.8 48 63 19202 195 13 3.4 12.6 | 234 11 8.6 6.1 49 60 19507 135 13 -9.2 9.2 | 125 5 -4.0 2.8 50 57 19812 85 10 -10.0 -0.9 | 33 9 -4.7 -7.3 51 51 20422 80 16 -15.8 -2.8 | 49 14 -10.5 -9.2 52 50 20540 90 29 -29.0 0.0 | 75 25 -23.8 -6.4 53 48 20726 90 27 -27.0 0.0 | 74 23 -21.8 -6.4 54 42 21336 75 33 -31.9 -8.5 | 61 31 -26.6 -15.0 55 37 21946 95 37 -36.9 3.2 | 84 32 -31.6 -3.2 56 35 22250 85 49 -48.8 -4.3 | 76 45 -43.6 -10.7 Wind Parameters Mean winds (0-6000m): 110.8 at 11.0 knts Storm direction: 140.8 at 8.3 knts Shear (0-3000m) pos: 1.9 neg: 1.2 tot: 3.1 10-3/s Storm rel Dir Shear (0-3000m): 153.2 deg Storm rel helicity (0-3000m) pos: 15.8 neg: -17.4 tot: -1.6 m^2/s^2 ave: -0.5 10^-3 m/s^2 rel: 0.07 Storm rel vorticity (0-3000m) horiz: 6.2 stream: 0.5 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 99.95 Bulk Shear: 4.62 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 95 16 64 12| 0.0 11.3 11.3| 11.5 -2.4 9.2 18.3 0.50| 12.4 6.3 1000 92 17 64 13| 0.0 5.3 5.3| 13.5 -6.6 6.9 6.9 0.34| 8.4 2.8 1500 92 17 62 13| 0.0 2.4 2.4| 13.5 -12.5 1.0 0.7 0.18| 6.8 1.2 2000 92 15 60 12| 2.3 1.8 4.1| 15.4 -16.9 -1.4 -0.7 0.10| 7.7 0.7 2500 97 14 61 10| 2.1 1.4 3.5| 15.6 -17.4 -1.8 -0.7 0.05| 7.3 0.4 3000 102 13 63 8| 1.9 1.2 3.1| 15.8 -17.4 -1.6 -0.5 0.07| 6.2 0.5 4000 106 11 57 6| 1.4 1.3 2.7| 17.8 -28.7 -10.9 -2.7 -0.11| 6.5 -0.7 5000 106 10 52 6| 1.4 1.0 2.4| 34.5 -28.7 5.8 1.2 0.08| 6.5 0.5 6000 111 11 64 6| 1.5 0.9 2.4| 54.1 -31.7 22.4 3.7 0.16| 6.6 1.1 Wrote GIF file: /home/apache/climate/data/raob//SBNT/skewt/SBNT.skewt.20251212.00.gif