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 SB107... Searching the city database file for: SB107 ... Date:1200Z 9 DEC 25 Station: SB107 WMO ident: 82107 Latitude: -0.12 Longitude: -66.97 ------------------------------------------------------------------------------- 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 1001 100 24.8 22.5 87 2.3 23.2 70 3 297.9 301.0 296.3 348.4 17.39 1 1000 109 24.6 22.3 87 2.3 23.0 25 5 297.8 300.9 296.1 347.6 17.19 2 995 153 23.8 21.7 88 2.1 22.3 25 5 297.4 300.4 295.7 345.6 16.65 3 982 269 25.8 17.8 61 8.0 20.3 25 7 300.5 302.9 294.1 339.1 13.17 4 976 323 25.8 20.9 74 4.9 22.3 28 7 301.0 304.0 296.3 348.5 16.14 5 925 794 22.8 21.3 91 1.5 21.8 90 13 302.6 305.8 297.6 354.4 17.50 6 890 1131 20.2 19.7 97 0.5 19.9 76 16 303.3 306.3 297.1 352.1 16.45 7 850 1529 18.8 15.2 80 3.6 16.4 75 14 305.8 308.2 295.4 344.5 12.89 8 733 2787 11.0 7.3 78 3.7 8.8 99 10 310.5 312.2 293.7 337.5 8.79 9 700 3171 9.2 5.1 75 4.1 6.8 145 5 312.7 314.2 293.6 337.2 7.90 10 659 3670 7.8 0.8 61 7.0 3.9 56 2 316.5 317.7 293.3 336.1 6.16 11 633 4001 5.2 -3.8 52 9.0 0.7 354 0 317.2 318.1 292.2 331.9 4.56 12 582 4682 0.6 -2.9 77 3.5 -1.2 281 12 319.6 320.6 293.5 336.7 5.31 13 515 5657 -3.9 -14.9 42 11.0 -8.2 302 11 325.5 326.0 292.7 333.5 2.33 14 503 5843 -5.1 -9.8 70 4.7 -7.2 300 9 326.3 327.0 293.9 338.4 3.61 15 500 5890 -5.3 -10.2 68 4.9 -7.4 305 8 326.6 327.3 293.9 338.4 3.52 16 483 6161 -6.5 -18.5 38 12.0 -10.7 289 11 328.3 328.7 293.0 334.8 1.84 17 443 6831 -10.7 -16.7 61 6.0 -12.9 222 10 331.3 331.7 294.1 339.4 2.34 18 400 7610 -14.9 -30.9 24 16.0 -18.7 75 11 335.6 335.8 293.9 338.3 0.73 19 393 7743 -15.7 -32.7 22 17.0 -19.5 78 11 336.3 336.4 294.0 338.6 0.62 20 345 8710 -23.9 -31.9 48 8.0 -25.5 132 12 337.9 338.1 294.5 340.8 0.77 21 338 8860 -23.7 -40.7 19 17.0 -26.3 130 13 340.2 340.3 294.7 341.5 0.32 22 327 9101 -25.3 -43.3 17 18.0 -27.8 126 15 341.2 341.3 294.8 342.2 0.25 23 300 9720 -30.9 -43.9 27 13.0 -32.4 115 19 341.8 341.9 295.0 342.9 0.26 24 260 10713 -39.3 -48.3 38 9.0 -40.0 102 24 343.8 343.8 295.4 344.5 0.18 25 250 10980 -40.9 -55.9 18 15.0 -41.7 115 27 345.3 345.3 295.7 345.6 0.08 26 240 11257 -42.3 -68.3 4 26.0 -43.2 121 29 347.2 347.2 296.0 347.3 0.02 27 227 11631 -45.3 -67.3 7 22.0 -46.0 129 31 348.2 348.2 296.3 348.3 0.02 28 207 12244 -47.5 -72.5 4 25.0 -48.1 190 14 354.1 354.1 297.5 354.1 0.01 29 200 12470 -49.7 -73.7 4 24.0 -50.2 240 16 354.1 354.1 297.5 354.1 0.01 30 150 14280 -66.9 -73.9 37 7.0 -67.0 295 40 354.8 354.8 297.7 354.9 0.01 31 132 15040 -73.7 -77.8 53 4.1 -73.7 292 47 355.9 355.9 297.9 355.9 0.01 32 102 16510 -83.3 -87.6 47 4.3 -83.3 320 29 364.7 364.7 299.6 364.7 0.00 33 101 16565 -83.3 -87.5 48 4.2 -83.3 320 27 365.7 365.7 299.8 365.7 0.00 34 100 16620 -83.1 -87.3 48 4.2 -83.1 320 25 367.2 367.2 300.1 367.2 0.00 35 70 18610 -81.3 -89.3 25 8.0 -81.3 175 6 410.5 410.5 306.6 410.5 0.00 36 50 20550 -72.1 -90.1 5 18.0 -72.2 90 33 473.6 473.6 313.0 473.6 0.00 37 30 23630 -59.5 -88.5 1 29.0 -60.4 90 63 582.4 582.4 319.8 582.5 0.01 38 26 24530 -57.6 -87.7 1 30.1 -59.0 90 75 612.2 612.2 321.2 612.2 0.01 39 20 26200 -54.1 -86.1 1 32.0 -56.5 80 73 670.6 670.6 323.4 670.7 0.01 TRP 102 16510 -83.3 -87.6 47 4.3 -83.3 320 29 364.7 364.7 299.6 364.7 0.00 WND 26 24530 -57.6 -87.7 1 30.1 -59.0 90 75 612.2 612.2 321.2 612.2 0.01 Sounding variables and indices 1000-500 mb thick: 5781.00 m Freezing level: 573.07 mb = 4812.01 m = 15787.25 ft Wetbulb zero: 614.93 mb = 4235.80 m = 13896.81 ft Precipitable water: 2.05 inches Sfc-500 mean rel hum: 72.22 % Est. max temperature: 32.71 C = 90.88 F Sfc-Lift cond lev (LCL): 968.38 mb = 391.57 m = 1284.66 ft T: 25.36 C 700-500 lapse rate: 5.33 C/km ThetaE index: 22.53 C Layer 890.0- 582.0 mb Conv cond level (CCL): 866.25 mb = 1364.93 m = 4478.07 ft Mean mixing ratio: 16.54 g/kg Conv temperature: 31.73 C = 89.11 F Cap Strength: 1.46 C Lifted Index: -2.45 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -2.62 C Lifted Index @700 mb: -1.43 C Showalter Index: -0.28 C Risk: Thunderstorms probable Total Totals Index: 44.60 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.10 C Cross Totals Index: 20.50 C K Index: 35.20 Risk: > 80 % chance of thunderstorms Sweat Index: 218.40 Risk: None Energy Index: -1.23 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 745.39 J/kg Max Up Vert Vel: 38.61 m/s Conv Inhibition (B-): 40.29 J/kg Cap Strength: 1.46 C Lift Cond Lev (LCL): 909.37 mb = 942.75 m = 3092.98 ft Lev Free Conv (LFC): 794.37 mb = 2103.82 m = 6902.21 ft Equ Level (EL): 224.37 mb = 11708.60 m = 38413.57 ft B at Equ Level: 744.01 J/kg Max Parcel Lev (MPL): 104.37 mb = 16379.10 m = 53736.56 ft Wind level data Storm motion: 80 at 7 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 1001 100 70 3 -2.8 -1.0 | 267 5 4.5 0.2 1 1000 109 25 5 -2.1 -4.5 | 302 6 5.2 -3.3 2 978 305 25 7 -3.0 -6.3 | 319 7 4.4 -5.1 3 945 610 85 11 -11.0 -1.0 | 95 4 -3.6 0.3 4 925 794 90 13 -13.0 0.0 | 103 6 -5.7 1.3 5 912 914 80 15 -14.8 -2.6 | 80 8 -7.4 -1.3 6 881 1219 75 16 -15.5 -4.1 | 71 9 -8.1 -2.9 7 850 1529 75 14 -13.5 -3.6 | 69 7 -6.2 -2.4 8 791 2134 80 13 -12.8 -2.3 | 80 6 -5.5 -1.0 9 763 2438 90 12 -12.0 0.0 | 105 5 -4.7 1.3 10 736 2743 95 11 -11.0 1.0 | 122 4 -3.6 2.2 11 700 3171 145 5 -2.9 4.1 | 220 7 4.5 5.4 12 635 3962 0 0 -0.0 -0.0 | 260 7 7.3 1.3 13 611 4267 275 6 6.0 -0.5 | 267 13 13.3 0.7 14 589 4572 280 11 10.8 -1.9 | 272 18 18.2 -0.6 15 567 4877 285 16 15.5 -4.1 | 277 23 22.8 -2.9 16 546 5182 280 12 11.8 -2.1 | 272 19 19.2 -0.8 17 526 5486 310 12 9.2 -7.7 | 291 18 16.5 -6.4 18 506 5791 295 10 9.1 -4.2 | 280 17 16.4 -3.0 19 500 5890 305 8 6.6 -4.6 | 283 14 13.9 -3.3 20 487 6096 295 11 10.0 -4.6 | 281 18 17.3 -3.4 21 468 6401 265 11 11.0 1.0 | 263 18 18.3 2.2 22 450 6706 235 10 8.2 5.7 | 246 17 15.5 7.0 23 432 7010 200 10 3.4 9.4 | 225 15 10.8 10.7 24 416 7315 170 4 -0.7 3.9 | 232 8 6.6 5.2 25 400 7610 75 11 -10.6 -2.8 | 64 4 -3.3 -1.6 26 399 7620 75 11 -10.6 -2.8 | 64 4 -3.3 -1.6 27 368 8230 90 12 -12.0 0.0 | 105 5 -4.7 1.3 28 353 8534 135 11 -7.8 7.8 | 177 9 -0.4 9.0 29 300 9720 115 19 -17.2 8.0 | 133 14 -9.9 9.3 30 299 9754 115 19 -17.2 8.0 | 133 14 -9.9 9.3 31 286 10058 125 20 -16.4 11.5 | 145 16 -9.0 12.7 32 262 10668 100 24 -23.6 4.2 | 108 17 -16.3 5.4 33 250 10980 115 27 -24.5 11.4 | 127 21 -17.1 12.7 34 218 11887 135 33 -23.3 23.3 | 147 29 -16.0 24.6 35 209 12192 180 14 0.0 14.0 | 206 17 7.3 15.3 36 200 12470 240 16 13.9 8.0 | 246 23 21.2 9.3 37 199 12497 225 11 7.8 7.8 | 239 18 15.1 9.0 38 181 13106 275 20 19.9 -1.7 | 271 27 27.3 -0.5 39 164 13716 295 25 22.7 -10.6 | 287 31 30.0 -9.3 40 150 14280 295 40 36.3 -16.9 | 290 46 43.6 -15.6 41 121 15545 290 52 48.9 -17.8 | 286 59 56.2 -16.5 42 102 16510 320 29 18.6 -22.2 | 309 33 26.0 -20.9 43 100 16620 320 25 16.1 -19.2 | 307 29 23.4 -17.9 44 97 16764 320 25 16.1 -19.2 | 307 29 23.4 -17.9 45 92 17069 325 15 8.6 -12.3 | 305 19 15.9 -11.0 46 87 17374 270 10 10.0 -0.0 | 266 17 17.3 1.3 47 78 17983 70 1 -0.9 -0.3 | 262 6 6.4 0.9 48 74 18288 185 11 1.0 11.0 | 214 15 8.3 12.2 49 70 18593 185 15 1.3 14.9 | 208 18 8.6 16.2 50 70 18610 175 6 -0.5 6.0 | 223 10 6.8 7.2 51 67 18898 240 1 0.9 0.5 | 258 8 8.2 1.8 52 60 19507 75 17 -16.4 -4.4 | 71 10 -9.1 -3.1 53 54 20117 20 11 -3.8 -10.3 | 338 10 3.6 -9.1 54 51 20422 95 9 -9.0 0.8 | 142 3 -1.6 2.1 55 50 20550 90 33 -33.0 0.0 | 93 26 -25.7 1.3 56 49 20726 80 21 -20.7 -3.6 | 80 14 -13.3 -2.4 57 46 21031 90 41 -41.0 0.0 | 92 34 -33.7 1.3 58 42 21641 100 51 -50.2 8.9 | 103 44 -42.9 10.1 59 34 22860 100 62 -61.1 10.8 | 103 55 -53.7 12.0 60 30 23630 90 63 -63.0 0.0 | 91 56 -55.7 1.3 61 26 24530 90 75 -75.0 0.0 | 91 68 -67.7 1.3 62 24 24994 90 75 -75.0 0.0 | 91 68 -67.7 1.3 63 20 26200 80 73 -71.9 -12.7 | 80 66 -64.6 -11.4 64 17 26822 85 72 -71.7 -6.3 | 86 65 -64.4 -5.0 Wind Parameters Mean winds (0-6000m): 50.2 at 9.9 knts Storm direction: 80.2 at 7.4 knts Shear (0-3000m) pos: 1.3 neg: 0.6 tot: 1.9 10-3/s Storm rel Dir Shear (0-3000m): -57.1 deg Storm rel helicity (0-3000m) pos: 32.9 neg: -7.4 tot: 25.5 m^2/s^2 ave: 8.5 10^-3 m/s^2 rel: 0.61 Storm rel vorticity (0-3000m) horiz: 6.6 stream: 4.0 10^-3/s Energy-Hel index: 0.09 Bulk Rich Number: 1129.04 Bulk Shear: 0.66 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 49 8 338 4| 8.2 0.0 8.2| 15.7 0.0 15.7 31.4 0.90| 16.2 14.6 1000 72 11 55 3| 4.1 2.5 6.6| 16.7 -6.0 10.7 10.7 0.53| 11.5 6.1 1500 73 12 63 5| 2.7 1.2 3.9| 16.9 -7.4 9.5 6.3 0.45| 8.6 3.9 2000 75 12 67 5| 1.9 0.9 2.8| 18.4 -7.4 10.9 5.5 0.46| 6.8 3.1 2500 77 12 72 5| 1.5 0.7 2.2| 22.4 -7.4 15.0 6.0 0.51| 6.1 3.1 3000 80 12 81 4| 1.3 0.6 1.9| 32.9 -7.4 25.5 8.5 0.61| 6.6 4.0 4000 84 9 96 2| 1.0 1.2 2.2| 44.0 -8.6 35.3 8.8 0.60| 6.4 3.8 5000 76 10 62 2| 0.8 1.6 2.4| 58.7 -20.6 38.1 7.6 0.45| 6.9 3.1 6000 50 10 3 5| 0.3 1.3 1.6| 89.0 -37.9 51.1 8.5 0.39| 7.1 2.8 Wrote GIF file: /home/apache/climate/data/raob//SB107/skewt/SB107.skewt.20251209.12.gif