UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120400.upa.cvt Date: 0000Z 4 DEC 25 Searching for SBRB... Searching the city database file for: SBRB ... Date:0000Z 4 DEC 25 Station: SBRB WMO ident: 82917 Latitude: -10.00 Longitude: -67.80 Elevation: 143.00 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- 0 1000 73 SFC 986 143 24.8 23.1 90 1.7 23.6 0 0 299.2 302.5 297.2 352.7 18.34 2 981 193 27.2 23.3 79 3.9 24.3 12 1 302.0 305.4 298.1 357.2 18.67 3 925 762 23.6 20.9 85 2.7 21.6 5 8 303.4 306.6 297.5 354.1 17.06 4 850 1498 19.6 16.4 82 3.2 17.4 295 14 306.7 309.3 296.3 348.6 13.94 5 785 2179 15.0 10.6 75 4.4 12.2 279 17 308.8 310.7 294.3 340.1 10.28 6 748 2587 12.0 10.8 92 1.2 11.2 274 16 309.8 311.9 295.1 343.3 10.95 7 724 2861 11.6 7.6 76 4.0 9.1 272 15 312.3 314.0 294.4 340.4 9.09 8 700 3143 9.4 8.1 92 1.3 8.6 260 14 312.9 314.7 295.0 343.0 9.74 9 580 4685 0.8 0.1 95 0.7 0.4 264 15 320.1 321.4 294.7 341.5 6.66 10 570 4826 1.4 -1.3 82 2.7 -0.0 278 17 322.4 323.6 294.8 342.3 6.12 11 537 5304 -2.5 -2.9 97 0.4 -2.7 285 20 323.3 324.5 294.8 342.1 5.76 12 500 5870 -5.5 -6.3 94 0.8 -5.9 280 17 326.3 327.3 294.8 342.2 4.78 13 473 6302 -6.1 -9.9 74 3.8 -7.8 262 16 330.8 331.6 295.2 343.8 3.81 14 400 7590 -13.3 -19.3 61 6.0 -15.4 150 1 337.7 338.1 295.6 345.1 2.08 15 399 7609 -13.3 -19.3 61 6.0 -15.4 104 1 337.9 338.4 295.6 345.4 2.08 16 376 8060 -17.1 -21.0 72 3.9 -18.3 191 2 338.7 339.1 295.6 345.6 1.91 17 334 8941 -23.7 -27.4 72 3.7 -24.6 204 11 341.3 341.6 295.7 345.8 1.21 18 320 9254 -25.7 -34.7 43 9.0 -27.3 202 12 342.8 342.9 295.6 345.2 0.63 19 317 9322 -26.5 -30.9 66 4.4 -27.4 201 13 342.6 342.8 295.7 346.1 0.92 20 307 9554 -28.1 -31.6 72 3.5 -28.8 178 10 343.5 343.7 296.0 346.9 0.89 21 300 9720 -29.1 -35.1 56 6.0 -30.1 140 4 344.4 344.5 295.9 346.9 0.64 22 276 10308 -34.1 -38.7 63 4.6 -34.7 119 7 345.5 345.6 296.0 347.4 0.49 23 271 10435 -34.9 -43.9 39 9.0 -35.8 115 8 346.1 346.2 296.0 347.3 0.29 24 268 10512 -35.5 -44.5 39 9.0 -36.4 112 8 346.3 346.4 296.1 347.4 0.27 25 252 10936 -39.5 -42.3 75 2.8 -39.8 96 11 346.5 346.6 296.2 348.0 0.37 26 250 10990 -39.9 -43.0 72 3.1 -40.2 80 13 346.7 346.8 296.2 348.1 0.34 27 225 11704 -45.7 -48.1 77 2.4 -45.9 68 22 348.5 348.5 296.5 349.4 0.22 28 200 12480 -52.1 -57.1 55 5.0 -52.3 55 22 350.3 350.3 296.8 350.6 0.08 29 178 13222 -59.3 -62.5 66 3.2 -59.4 48 27 350.3 350.3 296.7 350.5 0.05 30 163 13767 -64.1 -68.4 56 4.3 -64.1 44 26 351.2 351.2 296.9 351.3 0.02 31 150 14270 -68.7 -74.7 42 6.0 -68.7 65 21 351.7 351.7 297.0 351.8 0.01 32 143 14555 -70.7 -76.7 41 6.0 -70.7 61 21 353.1 353.1 297.3 353.1 0.01 33 134 14938 -72.3 -83.3 18 11.0 -72.3 22 16 356.9 356.9 298.1 356.9 0.00 34 100 16620 -81.3 -87.3 35 6.0 -81.3 90 10 370.6 370.6 300.7 370.7 0.00 35 82 17735 -81.3 -88.3 30 7.0 -81.3 50 19 392.3 392.3 304.1 392.3 0.00 36 71 18532 -86.7 -90.5 50 3.8 -86.7 70 26 397.3 397.3 304.8 397.3 0.00 37 70 18610 -85.7 -90.1 45 4.4 -85.7 70 23 401.0 401.0 305.3 401.0 0.00 38 62 19286 -79.1 -89.1 18 10.0 -79.1 105 22 429.8 429.8 308.8 429.8 0.00 39 60 19474 -74.7 -87.7 12 13.0 -74.7 95 29 443.7 443.7 310.3 443.7 0.00 40 50 20550 -67.7 -88.7 3 21.0 -67.9 95 25 484.0 484.0 313.8 484.0 0.00 41 34 22875 -66.9 -89.9 3 23.0 -67.2 79 27 542.5 542.5 317.6 542.5 0.00 TRP 71 18532 -86.7 -90.5 50 3.8 -86.7 70 26 397.3 397.3 304.8 397.3 0.00 WND Sounding variables and indices 1000-500 mb thick: 5797.00 m Freezing level: 558.15 mb = 4997.39 m = 16395.44 ft Wetbulb zero: 570.83 mb = 4813.80 m = 15793.10 ft Precipitable water: 2.31 inches Sfc-500 mean rel hum: 87.49 % Est. max temperature: 32.74 C = 90.94 F Sfc-Lift cond lev (LCL): 962.28 mb = 379.15 m = 1243.93 ft T: 26.02 C 700-500 lapse rate: 5.46 C/km ThetaE index: 17.10 C Layer 925.0- 748.0 mb Conv cond level (CCL): 853.22 mb = 1465.06 m = 4806.58 ft Mean mixing ratio: 17.24 g/kg Conv temperature: 32.15 C = 89.87 F Cap Strength: 1.44 C Lifted Index: -4.11 C Risk: Severe thunderstorms probable Lifted Index @300 mb: -3.10 C Lifted Index @700 mb: -2.40 C Showalter Index: -2.06 C Risk: Severe thunderstorms possible Total Totals Index: 47.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.10 C Cross Totals Index: 21.90 C K Index: 40.20 Risk: > 80 % chance of thunderstorms Sweat Index: 241.80 Risk: None Energy Index: -1.32 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1345.06 J/kg Max Up Vert Vel: 51.87 m/s Conv Inhibition (B-): 28.96 J/kg Cap Strength: 1.44 C Lift Cond Lev (LCL): 894.47 mb = 1054.15 m = 3458.47 ft Lev Free Conv (LFC): 809.47 mb = 1916.48 m = 6287.60 ft Equ Level (EL): 139.47 mb = 14702.12 m = 48234.72 ft B at Equ Level: 1341.71 J/kg Max Parcel Lev (MPL): 79.47 mb = 17908.38 m = 58753.82 ft Wind level data Storm motion: 309 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 ---------------------------------------------------------- 0 986 143 0 0 -0.0 -0.0 | 129 11 -8.5 6.8 1 970 305 40 4 -2.6 -3.1 | 109 12 -11.1 3.7 2 940 610 20 7 -2.4 -6.6 | 91 11 -10.9 0.2 3 925 762 5 8 -0.7 -8.0 | 83 9 -9.2 -1.2 4 909 914 355 9 0.8 -9.0 | 74 8 -7.8 -2.2 5 878 1219 320 10 6.4 -7.7 | 68 2 -2.1 -0.9 6 850 1498 295 14 12.7 -5.9 | 258 4 4.1 0.9 7 847 1524 295 14 12.7 -5.9 | 258 4 4.1 0.9 8 817 1829 290 16 15.0 -5.5 | 258 7 6.5 1.3 9 789 2134 280 17 16.7 -3.0 | 245 9 8.2 3.9 10 761 2438 275 16 15.9 -1.4 | 234 9 7.4 5.4 11 708 3048 270 15 15.0 -0.0 | 223 9 6.5 6.8 12 700 3143 260 14 13.8 2.4 | 210 11 5.2 9.2 13 682 3353 255 14 13.5 3.6 | 206 12 5.0 10.4 14 657 3658 260 14 13.8 2.4 | 210 11 5.2 9.2 15 633 3962 245 16 14.5 6.8 | 204 15 6.0 13.6 16 609 4267 250 16 15.0 5.5 | 208 14 6.5 12.3 17 587 4572 255 13 12.6 3.4 | 202 11 4.0 10.2 18 565 4877 285 18 17.4 -4.7 | 256 9 8.8 2.1 19 524 5486 285 21 20.3 -5.4 | 263 12 11.7 1.4 20 500 5870 280 17 16.7 -3.0 | 245 9 8.2 3.9 21 486 6096 280 18 17.7 -3.1 | 248 10 9.2 3.7 22 400 7590 150 1 -0.5 0.9 | 130 12 -9.0 7.7 23 398 7620 75 1 -1.0 -0.3 | 125 12 -9.5 6.5 24 367 8230 240 3 2.6 1.5 | 144 10 -5.9 8.3 25 338 8839 205 11 4.6 10.0 | 167 17 -3.9 16.8 26 311 9449 200 13 4.4 12.2 | 168 19 -4.1 19.0 27 300 9720 140 4 -2.6 3.1 | 132 15 -11.1 9.9 28 251 10973 95 11 -11.0 1.0 | 112 21 -19.5 7.8 29 250 10990 80 13 -12.8 -2.3 | 102 22 -21.3 4.5 30 239 11278 95 18 -17.9 1.6 | 108 28 -26.5 8.4 31 229 11582 70 22 -20.7 -7.5 | 89 29 -29.2 -0.7 32 200 12480 55 22 -18.0 -12.6 | 78 27 -26.6 -5.8 33 181 13106 45 25 -17.7 -17.7 | 67 28 -26.2 -10.9 34 172 13411 55 31 -25.4 -17.8 | 72 36 -33.9 -11.0 35 156 14021 35 22 -12.6 -18.0 | 62 24 -21.2 -11.2 36 150 14270 65 21 -19.0 -8.9 | 86 28 -27.6 -2.1 37 141 14630 60 21 -18.2 -10.5 | 82 27 -26.7 -3.7 38 134 14935 20 16 -5.5 -15.0 | 60 16 -14.0 -8.2 39 127 15240 60 11 -9.5 -5.5 | 94 18 -18.1 1.3 40 114 15850 25 15 -6.3 -13.6 | 65 16 -14.9 -6.8 41 103 16459 50 12 -9.2 -7.7 | 87 18 -17.7 -0.9 42 100 16620 90 10 -10.0 0.0 | 110 20 -18.5 6.8 43 97 16764 95 10 -10.0 0.9 | 113 20 -18.5 7.7 44 87 17374 85 16 -15.9 -1.4 | 102 25 -24.5 5.4 45 78 17983 25 22 -9.3 -19.9 | 54 22 -17.8 -13.1 46 74 18288 30 24 -12.0 -20.8 | 56 25 -20.5 -14.0 47 71 18532 70 26 -24.4 -8.9 | 86 33 -33.0 -2.1 48 70 18593 65 23 -20.8 -9.7 | 84 30 -29.4 -2.9 49 70 18610 70 23 -21.6 -7.9 | 88 30 -30.2 -1.1 50 67 18898 65 26 -23.6 -11.0 | 83 32 -32.1 -4.2 51 63 19202 110 18 -16.9 6.2 | 117 29 -25.5 13.0 52 60 19507 95 29 -28.9 2.5 | 104 39 -37.4 9.3 53 57 19812 110 43 -40.4 14.7 | 114 53 -49.0 21.5 54 54 20117 90 33 -33.0 0.0 | 99 42 -41.5 6.8 55 50 20550 95 25 -24.9 2.2 | 105 35 -33.5 9.0 56 48 20726 95 24 -23.9 2.1 | 105 34 -32.5 8.9 57 40 21641 95 28 -27.9 2.4 | 104 38 -36.4 9.2 58 37 21946 75 24 -23.2 -6.2 | 91 32 -31.7 0.6 59 29 23165 85 31 -30.9 -2.7 | 96 40 -39.4 4.1 Wind Parameters Mean winds (0-6000m): 278.5 at 14.6 knts Storm direction: 308.5 at 10.9 knts Shear (0-3000m) pos: 1.2 neg: 3.2 tot: 4.4 10-3/s Storm rel Dir Shear (0-3000m): 81.0 deg Storm rel helicity (0-3000m) pos: 0.1 neg: -49.4 tot: -49.3 m^2/s^2 ave: -16.4 10^-3 m/s^2 rel: -0.64 Storm rel vorticity (0-3000m) horiz: 6.2 stream: -4.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 36.84 Bulk Shear: 36.51 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 28 4 105 11| 7.4 0.0 7.4| 0.0 -22.1 -22.1 -44.2 -0.93| 8.3 -7.8 1000 4 7 91 9| 3.7 3.7 7.5| 0.0 -29.5 -29.5 -29.5 -0.68| 8.2 -5.6 1500 333 9 79 5| 2.5 5.4 7.9| 0.1 -30.9 -30.9 -20.6 -0.61| 8.8 -5.4 2000 313 11 62 1| 1.9 4.9 6.8| 0.1 -34.9 -34.8 -17.4 -0.58| 7.7 -4.5 2500 301 12 244 2| 1.5 3.8 5.3| 0.1 -40.3 -40.3 -16.1 -0.61| 6.7 -4.1 3000 294 12 237 3| 1.2 3.2 4.4| 0.1 -49.4 -49.3 -16.4 -0.64| 6.2 -4.0 4000 281 13 224 6| 0.9 2.7 3.7| 4.1 -55.5 -51.5 -12.9 -0.56| 5.5 -3.1 5000 277 14 224 7| 1.9 2.2 4.0| 30.5 -59.1 -28.6 -5.7 -0.26| 5.9 -1.5 6000 279 15 232 7| 1.5 1.9 3.5| 32.8 -70.7 -37.9 -6.3 -0.29| 5.5 -1.6 Wrote GIF file: /home/apache/climate/data/raob//SBRB/skewt/SBRB.skewt.20251204.00.gif