UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025123100.upa.cvt Date: 0000Z 31 DEC 25 Searching for SB107... Searching the city database file for: SB107 ... Date:0000Z 31 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 ------------------------------------------------------------------------------- 0 1000 96 280 1 SFC 999 105 25.0 24.0 94 1.0 24.3 280 1 298.2 301.7 297.5 353.9 19.13 2 986 221 26.2 21.5 75 4.7 22.8 185 3 300.6 303.6 296.5 349.2 16.59 3 925 783 23.2 20.1 83 3.1 21.0 95 12 303.0 306.0 296.8 351.1 16.22 4 850 1519 19.0 15.8 82 3.2 16.8 90 24 306.0 308.5 295.8 346.3 13.40 5 700 3163 9.2 8.5 95 0.7 8.8 85 20 312.7 314.6 295.2 343.6 10.01 6 682 3379 8.0 7.1 94 0.9 7.5 83 21 313.7 315.5 295.0 342.6 9.33 7 654 3725 6.6 1.6 70 5.0 3.8 65 16 315.9 317.1 293.5 336.7 6.58 8 593 4525 3.2 -1.8 70 5.0 0.5 76 16 320.9 322.0 294.1 339.2 5.66 9 500 5890 -5.1 -7.3 85 2.2 -6.1 50 14 326.8 327.7 294.7 341.6 4.43 10 472 6340 -8.1 -9.1 92 1.0 -8.5 22 10 328.5 329.3 294.8 342.2 4.07 11 456 6607 -8.9 -13.9 67 5.0 -10.9 3 10 330.8 331.4 294.5 340.7 2.86 12 425 7149 -12.5 -14.6 84 2.1 -13.3 239 3 332.9 333.5 295.0 343.0 2.90 13 400 7610 -14.3 -21.3 55 7.0 -16.5 110 8 336.4 336.8 295.0 342.7 1.75 14 382 7958 -16.1 -25.1 46 9.0 -18.6 125 10 338.5 338.8 295.1 343.3 1.30 15 364 8319 -19.3 -26.3 54 7.0 -21.1 126 11 338.9 339.2 295.1 343.4 1.23 16 332 8997 -23.7 -38.7 24 15.0 -26.2 135 13 341.9 342.0 295.1 343.5 0.41 17 300 9730 -29.1 -50.1 11 21.0 -31.2 150 14 344.4 344.4 295.5 344.9 0.13 18 285 10093 -31.7 -57.7 6 26.0 -33.6 145 19 345.7 345.7 295.7 346.0 0.06 19 250 11000 -39.5 -62.5 7 23.0 -40.6 150 12 347.3 347.3 296.1 347.5 0.03 20 210 12168 -49.3 -68.3 9 19.0 -49.8 114 11 349.8 349.8 296.6 349.9 0.02 TRP WND Sounding variables and indices 1000-500 mb thick: 5794.00 m Freezing level: 557.14 mb = 5051.40 m = 16572.62 ft Wetbulb zero: 585.38 mb = 4628.65 m = 15185.67 ft Precipitable water: 2.27 inches Sfc-500 mean rel hum: 81.23 % Est. max temperature: 32.85 C = 91.14 F Sfc-Lift cond lev (LCL): 985.01 mb = 229.40 m = 752.61 ft T: 26.15 C 700-500 lapse rate: 5.24 C/km ThetaE index: 14.42 C Layer 850.0- 593.0 mb Conv cond level (CCL): 848.54 mb = 1533.60 m = 5031.45 ft Mean mixing ratio: 16.40 g/kg Conv temperature: 32.87 C = 91.16 F Cap Strength: 1.97 C Lifted Index: -2.31 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -0.94 C Lifted Index @700 mb: -1.48 C Showalter Index: -0.78 C Risk: Thunderstorms probable Total Totals Index: 45.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.10 C Cross Totals Index: 20.90 C K Index: 39.20 Risk: > 80 % chance of thunderstorms Sweat Index: 251.60 Risk: None Energy Index: -0.97 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 489.56 J/kg Max Up Vert Vel: 31.29 m/s Conv Inhibition (B-): 51.16 J/kg Cap Strength: 1.97 C Lift Cond Lev (LCL): 900.39 mb = 1017.70 m = 3338.88 ft Lev Free Conv (LFC): 775.39 mb = 2296.89 m = 7535.64 ft Wind level data Storm motion: 110 at 12 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 ---------------------------------------------------------- 0 999 105 280 1 1.0 -0.2 | 289 13 12.2 -4.3 1 977 305 115 4 -3.6 1.7 | 288 8 7.6 -2.4 2 943 610 95 10 -10.0 0.9 | 339 3 1.3 -3.3 3 925 783 95 12 -12.0 1.0 | 14 3 -0.7 -3.1 4 911 914 95 17 -16.9 1.5 | 65 6 -5.7 -2.6 5 850 1519 90 24 -24.0 0.0 | 72 13 -12.8 -4.1 6 849 1524 90 25 -25.0 0.0 | 73 14 -13.8 -4.1 7 790 2134 85 21 -20.9 -1.8 | 58 11 -9.7 -6.0 8 763 2438 80 19 -18.7 -3.3 | 45 11 -7.5 -7.4 9 710 3048 90 19 -19.0 0.0 | 62 9 -7.8 -4.1 10 700 3163 85 20 -19.9 -1.7 | 56 11 -8.7 -5.9 11 684 3353 85 21 -20.9 -1.8 | 58 11 -9.7 -6.0 12 659 3658 60 15 -13.0 -7.5 | 9 12 -1.8 -11.6 13 634 3962 85 18 -17.9 -1.6 | 50 9 -6.7 -5.7 14 611 4267 80 18 -17.7 -3.1 | 42 10 -6.5 -7.3 15 588 4572 75 15 -14.5 -3.9 | 22 9 -3.3 -8.0 16 567 4877 55 10 -8.2 -5.7 | 343 10 3.0 -9.9 17 526 5486 65 11 -10.0 -4.6 | 352 9 1.2 -8.8 18 500 5890 50 14 -10.7 -9.0 | 358 13 0.5 -13.1 19 487 6096 40 10 -6.4 -7.7 | 338 13 4.8 -11.8 20 450 6706 355 10 0.9 -10.0 | 319 19 12.1 -14.1 21 432 7010 275 1 1.0 -0.1 | 289 13 12.2 -4.2 22 400 7610 110 8 -7.5 2.7 | 291 4 3.7 -1.4 23 383 7925 125 10 -8.2 5.7 | 242 3 3.0 1.6 24 368 8230 125 11 -9.0 6.3 | 225 3 2.2 2.2 25 339 8839 135 12 -8.5 8.5 | 212 5 2.7 4.4 26 312 9449 135 16 -11.3 11.3 | 179 7 -0.1 7.2 27 300 9730 150 14 -7.0 12.1 | 208 9 4.2 8.0 28 299 9754 155 10 -4.2 9.1 | 235 9 7.0 4.9 29 286 10058 145 19 -10.9 15.6 | 182 11 0.3 11.4 30 262 10668 140 13 -8.4 10.0 | 206 6 2.9 5.8 31 251 10973 160 14 -4.8 13.2 | 215 11 6.4 9.0 32 250 11000 150 12 -6.0 10.4 | 220 8 5.2 6.3 33 240 11278 145 12 -6.9 9.8 | 217 7 4.3 5.7 34 218 11887 110 13 -12.2 4.4 | 107 1 -1.0 0.3 35 209 12192 115 11 -10.0 4.6 | 247 1 1.2 0.5 36 199 12497 100 24 -23.6 4.2 | 90 12 -12.4 0.0 Wind Parameters Mean winds (0-6000m): 80.2 at 15.9 knts Storm direction: 110.2 at 11.9 knts Shear (0-3000m) pos: 2.0 neg: 1.6 tot: 3.7 10-3/s Storm rel Dir Shear (0-3000m): 129.5 deg Storm rel helicity (0-3000m) pos: 23.0 neg: -25.3 tot: -2.3 m^2/s^2 ave: -0.8 10^-3 m/s^2 rel: 0.18 Storm rel vorticity (0-3000m) horiz: 6.6 stream: 1.2 10^-3/s Energy-Hel index: 0.05 Bulk Rich Number: 28.68 Bulk Shear: 17.07 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 ------------------------------------------------------------------------------- 500 103 5 295 7| 11.2 0.0 11.2| 8.8 -8.0 0.8 1.6 0.23| 13.8 3.2 1000 97 10 335 3| 5.6 4.8 10.4| 15.8 -8.0 7.8 7.8 0.42| 11.8 5.0 1500 94 14 41 4| 3.7 5.0 8.8| 17.0 -8.4 8.6 5.7 0.35| 9.8 3.4 2000 91 16 54 6| 2.8 3.0 5.8| 17.0 -17.6 -0.6 -0.3 0.23| 8.3 1.9 2500 89 17 53 7| 2.2 2.0 4.2| 18.3 -24.6 -6.3 -2.5 0.15| 7.3 1.1 3000 89 17 54 8| 2.0 1.6 3.7| 23.0 -25.3 -2.3 -0.8 0.18| 6.6 1.2 4000 86 18 50 8| 2.1 1.3 3.4| 39.5 -53.2 -13.7 -3.4 0.07| 7.2 0.5 5000 84 17 43 8| 1.7 1.4 3.1| 40.8 -78.2 -37.4 -7.5 -0.09| 6.9 -0.6 6000 80 16 33 8| 1.5 1.5 3.0| 45.8 -93.4 -47.7 -7.9 -0.11| 6.6 -0.7 Wrote GIF file: /home/apache/climate/data/raob//SB107/skewt/SB107.skewt.20251231.00.gif