UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122912.upa.cvt Date: 1200Z 29 DEC 25 Searching for SB107... Searching the city database file for: SB107 ... Date:1200Z 29 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 104 23.6 23.1 97 0.5 23.3 290 4 296.7 299.9 296.4 348.8 18.06 1 1000 113 23.4 22.9 97 0.5 23.0 245 3 296.5 299.8 296.2 348.1 17.85 2 979 299 21.4 21.4 100 0.0 21.4 284 6 296.3 299.3 295.3 344.2 16.61 3 957 497 22.2 21.7 97 0.5 21.9 291 13 299.1 302.2 296.5 349.6 17.33 4 925 794 22.0 20.0 88 2.0 20.6 295 15 301.8 304.8 296.5 349.3 16.11 5 924 803 22.0 20.0 88 2.0 20.6 296 15 301.9 304.9 296.5 349.5 16.13 6 864 1386 18.4 18.4 100 0.0 18.4 30 8 304.0 306.9 296.7 350.4 15.60 7 850 1527 17.4 17.4 100 0.0 17.4 55 8 304.4 307.1 296.3 348.7 14.87 8 700 3167 8.8 8.1 95 0.7 8.3 70 27 312.2 314.1 294.8 342.3 9.74 9 676 3456 7.0 6.1 94 0.9 6.5 78 27 313.3 315.0 294.4 340.6 8.78 10 636 3956 4.6 -2.4 60 7.0 1.0 101 23 316.1 317.1 292.3 332.2 5.05 11 614 4243 2.2 0.7 90 1.5 1.4 118 22 316.6 317.8 293.7 337.4 6.57 12 576 4758 -0.3 -5.3 69 5.0 -2.7 108 23 319.5 320.4 292.8 334.0 4.48 13 559 4997 -2.1 -3.8 88 1.7 -3.0 100 22 320.1 321.1 293.5 336.8 5.17 14 522 5541 -4.5 -4.5 100 0.0 -4.5 77 20 323.5 324.6 294.5 340.8 5.26 15 500 5880 -6.1 -7.8 88 1.7 -6.9 95 24 325.6 326.4 294.3 339.8 4.26 16 486 6101 -6.9 -12.9 62 6.0 -9.4 95 23 327.3 327.9 293.6 337.2 2.92 17 463 6475 -9.9 -12.6 81 2.7 -11.0 108 22 328.1 328.7 294.0 338.8 3.14 18 459 6542 -9.3 -11.2 86 1.9 -10.1 117 20 329.7 330.4 294.7 341.7 3.54 19 435 6954 -11.7 -12.6 93 0.9 -12.1 167 3 331.7 332.4 295.1 343.2 3.34 20 406 7478 -14.1 -16.2 84 2.1 -14.9 190 10 335.2 335.8 295.4 344.6 2.66 21 400 7590 -14.9 -16.9 85 2.0 -15.6 175 10 335.6 336.1 295.4 344.6 2.55 22 303 9639 -29.5 -31.0 87 1.5 -29.8 218 7 342.8 343.0 295.8 346.4 0.95 23 300 9710 -30.1 -31.4 88 1.3 -30.3 220 7 343.0 343.1 295.8 346.5 0.92 24 252 10916 -40.7 -47.7 47 7.0 -41.2 251 10 344.8 344.8 295.7 345.6 0.20 25 250 10970 -40.9 -47.9 47 7.0 -41.4 260 10 345.3 345.3 295.7 346.1 0.20 26 221 11798 -47.7 -62.7 16 15.0 -48.2 248 12 347.2 347.2 296.0 347.3 0.04 27 211 12102 -50.1 -54.1 63 4.0 -50.3 238 14 348.1 348.1 296.3 348.6 0.12 28 200 12450 -52.9 -57.6 57 4.7 -53.1 270 10 349.0 349.0 296.5 349.3 0.08 29 172 13404 -61.5 -66.3 53 4.8 -61.6 304 15 350.2 350.2 296.7 350.3 0.03 30 164 13698 -63.3 -71.3 33 8.0 -63.4 305 20 351.9 351.9 297.1 352.0 0.02 31 150 14240 -68.3 -74.3 42 6.0 -68.4 255 13 352.4 352.4 297.2 352.5 0.01 32 134 14906 -74.1 -79.1 46 5.0 -74.1 178 7 353.7 353.7 297.4 353.7 0.01 33 127 15218 -73.9 -83.9 20 10.0 -73.9 136 4 359.5 359.5 298.6 359.5 0.00 34 114 15845 -75.7 -83.7 27 8.0 -75.7 97 5 367.4 367.4 300.1 367.5 0.00 35 101 16534 -81.1 -87.1 36 6.0 -81.1 75 10 370.0 370.0 300.5 370.0 0.00 36 100 16590 -81.3 -87.3 35 6.0 -81.3 60 9 370.6 370.6 300.7 370.7 0.00 37 93 16999 -84.7 -89.4 43 4.7 -84.7 25 12 371.7 371.7 300.9 371.7 0.00 38 70 18600 -80.7 -89.7 21 9.0 -80.7 55 17 411.7 411.7 306.7 411.7 0.00 39 50 20540 -72.5 -89.5 6 17.0 -72.6 95 29 472.6 472.6 312.8 472.7 0.00 40 30 23640 -60.7 -91.7 1 31.0 -61.6 90 60 579.2 579.2 319.6 579.2 0.00 41 25 24779 -57.2 -90.0 1 32.8 -58.7 80 64 620.2 620.2 321.5 620.3 0.00 42 20 26200 -52.9 -87.9 1 35.0 -55.6 80 44 674.3 674.3 323.6 674.3 0.01 TRP 93 16999 -84.7 -89.4 43 4.7 -84.7 25 12 371.7 371.7 300.9 371.7 0.00 WND 25 24779 -57.2 -90.0 1 32.8 -58.7 80 64 620.2 620.2 321.5 620.3 0.00 Sounding variables and indices 1000-500 mb thick: 5767.00 m Freezing level: 580.56 mb = 4696.03 m = 15406.72 ft Wetbulb zero: 601.33 mb = 4410.82 m = 14471.03 ft Precipitable water: 2.39 inches Sfc-500 mean rel hum: 90.99 % Est. max temperature: 31.28 C = 88.31 F Sfc-Lift cond lev (LCL): 994.15 mb = 164.28 m = 538.98 ft T: 22.85 C 700-500 lapse rate: 5.49 C/km ThetaE index: 18.18 C Layer 850.0- 614.0 mb Conv cond level (CCL): 980.64 mb = 283.99 m = 931.71 ft Mean mixing ratio: 16.72 g/kg Conv temperature: 23.29 C = 73.93 F Cap Strength: 1.65 C Lifted Index: -2.55 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -0.82 C Lifted Index @700 mb: -1.36 C Showalter Index: -2.66 C Risk: Severe thunderstorms possible Total Totals Index: 47.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.50 C Cross Totals Index: 23.50 C K Index: 40.20 Risk: > 80 % chance of thunderstorms Sweat Index: 248.80 Risk: None Energy Index: -1.85 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 591.67 J/kg Max Up Vert Vel: 34.40 m/s Conv Inhibition (B-): 30.69 J/kg Cap Strength: 1.57 C Lift Cond Lev (LCL): 937.60 mb = 675.83 m = 2217.27 ft Lev Free Conv (LFC): 842.60 mb = 1600.85 m = 5252.06 ft Equ Level (EL): 212.60 mb = 12052.30 m = 39541.18 ft B at Equ Level: 588.90 J/kg Max Parcel Lev (MPL): 112.60 mb = 15914.87 m = 52213.52 ft Wind level data Storm motion: 114 at 14 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 104 290 4 3.8 -1.4 | 293 18 16.2 -7.0 1 1000 113 245 3 2.7 1.3 | 286 16 15.2 -4.4 2 978 305 285 6 5.8 -1.6 | 292 20 18.2 -7.2 3 945 610 295 17 15.4 -7.2 | 295 31 27.9 -12.8 4 925 794 295 15 13.6 -6.3 | 295 29 26.0 -12.0 5 912 914 305 10 8.2 -5.7 | 299 24 20.6 -11.4 6 850 1527 55 8 -6.6 -4.6 | 330 12 5.9 -10.2 7 820 1829 80 10 -9.8 -1.7 | 341 8 2.6 -7.4 8 791 2134 80 14 -13.8 -2.4 | 9 8 -1.3 -8.1 9 763 2438 75 16 -15.5 -4.1 | 17 10 -3.0 -9.8 10 700 3167 70 27 -25.4 -9.2 | 41 20 -12.9 -14.9 11 684 3353 75 28 -27.0 -7.2 | 49 19 -14.6 -12.9 12 659 3658 85 24 -23.9 -2.1 | 56 14 -11.5 -7.7 13 611 4267 120 22 -19.1 11.0 | 129 9 -6.6 5.4 14 566 4877 105 23 -22.2 6.0 | 92 10 -9.8 0.3 15 525 5486 75 19 -18.4 -4.9 | 29 12 -5.9 -10.6 16 500 5880 95 24 -23.9 2.1 | 73 12 -11.5 -3.5 17 486 6096 95 23 -22.9 2.0 | 71 11 -10.5 -3.6 18 467 6401 100 25 -24.6 4.3 | 84 12 -12.2 -1.3 19 431 7010 175 1 -0.1 1.0 | 291 13 12.4 -4.6 20 415 7315 210 11 5.5 9.5 | 258 18 17.9 3.9 21 400 7590 175 10 -0.9 10.0 | 250 12 11.6 4.3 22 398 7620 175 10 -0.9 10.0 | 250 12 11.6 4.3 23 367 8230 175 8 -0.7 8.0 | 259 12 11.8 2.3 24 300 9710 220 7 4.5 5.4 | 271 17 16.9 -0.3 25 261 10668 210 10 5.0 8.7 | 260 18 17.4 3.0 26 250 10970 260 10 9.8 1.7 | 280 23 22.3 -3.9 27 239 11278 265 10 10.0 0.9 | 282 23 22.4 -4.8 28 208 12192 235 14 11.5 8.0 | 264 24 23.9 2.4 29 200 12450 270 10 10.0 -0.0 | 284 23 22.4 -5.6 30 199 12497 270 11 11.0 -0.0 | 284 24 23.4 -5.6 31 189 12802 270 10 10.0 -0.0 | 284 23 22.4 -5.6 32 171 13411 305 15 12.3 -8.6 | 300 29 24.7 -14.2 33 163 13716 305 21 17.2 -12.0 | 301 35 29.7 -17.7 34 155 14021 260 13 12.8 2.3 | 278 25 25.3 -3.4 35 150 14240 255 13 12.6 3.4 | 275 25 25.0 -2.3 36 148 14326 255 13 12.6 3.4 | 275 25 25.0 -2.3 37 120 15545 90 1 -1.0 0.0 | 296 13 11.4 -5.6 38 108 16154 105 10 -9.7 2.6 | 318 4 2.8 -3.0 39 102 16459 95 11 -11.0 1.0 | 342 5 1.5 -4.7 40 100 16590 60 9 -7.8 -4.5 | 335 11 4.7 -10.1 41 97 16764 60 9 -7.8 -4.5 | 335 11 4.7 -10.1 42 93 16999 25 12 -5.1 -10.9 | 336 18 7.4 -16.5 43 87 17374 10 10 -1.7 -9.8 | 325 19 10.7 -15.5 44 82 17678 55 15 -12.3 -8.6 | 359 14 0.2 -14.2 45 78 17983 55 19 -15.6 -10.9 | 11 17 -3.1 -16.5 46 74 18288 10 20 -3.5 -19.7 | 340 27 9.0 -25.3 47 70 18593 360 13 -0.0 -13.0 | 326 22 12.4 -18.6 48 70 18600 55 17 -13.9 -9.8 | 5 15 -1.5 -15.4 49 66 18898 60 19 -16.5 -9.5 | 15 16 -4.0 -15.1 50 63 19202 70 14 -13.2 -4.8 | 4 10 -0.7 -10.4 51 60 19507 225 15 10.6 10.6 | 258 24 23.1 5.0 52 57 19812 160 11 -3.8 10.3 | 242 10 8.7 4.7 53 51 20422 75 21 -20.3 -5.4 | 35 14 -7.8 -11.1 54 50 20540 95 29 -28.9 2.5 | 79 17 -16.4 -3.1 55 46 21031 105 38 -36.7 9.8 | 100 25 -24.3 4.2 56 42 21641 95 46 -45.8 4.0 | 87 33 -33.4 -1.6 57 40 21946 115 51 -46.2 21.6 | 115 37 -33.8 15.9 58 38 22250 100 52 -51.2 9.0 | 95 39 -38.8 3.4 59 36 22555 90 47 -47.0 0.0 | 81 35 -34.6 -5.6 60 32 23165 100 42 -41.4 7.3 | 93 29 -28.9 1.7 61 30 23640 90 60 -60.0 0.0 | 83 48 -47.6 -5.6 62 25 24779 80 64 -63.0 -11.1 | 72 53 -50.6 -16.8 63 23 25298 80 64 -63.0 -11.1 | 72 53 -50.6 -16.8 64 20 26200 80 44 -43.3 -7.6 | 67 34 -30.9 -13.3 65 20 26213 70 47 -44.2 -16.1 | 56 38 -31.7 -21.7 66 18 26518 80 50 -49.2 -8.7 | 69 39 -36.8 -14.3 67 17 26822 75 31 -29.9 -8.0 | 52 22 -17.5 -13.7 68 16 27127 95 22 -21.9 1.9 | 69 10 -9.5 -3.7 69 13 27737 50 13 -10.0 -8.4 | 350 14 2.5 -14.0 70 12 28042 290 12 11.3 -4.1 | 292 26 23.7 -9.7 71 11 28346 295 20 18.1 -8.5 | 295 34 30.6 -14.1 72 10 28651 300 14 12.1 -7.0 | 297 28 24.6 -12.6 73 9 28956 290 16 15.0 -5.5 | 292 30 27.5 -11.1 Wind Parameters Mean winds (0-6000m): 84.4 at 18.2 knts Storm direction: 114.4 at 13.7 knts Shear (0-3000m) pos: 2.9 neg: 2.2 tot: 5.1 10-3/s Storm rel Dir Shear (0-3000m): 106.7 deg Storm rel helicity (0-3000m) pos: 125.2 neg: -9.0 tot: 116.2 m^2/s^2 ave: 38.7 10^-3 m/s^2 rel: 0.43 Storm rel vorticity (0-3000m) horiz: 10.4 stream: 4.5 10^-3/s Energy-Hel index: 0.38 Bulk Rich Number: 6.45 Bulk Shear: 91.75 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 ------------------------------------------------------------------------------- 500 288 9 292 22| 13.2 0.0 13.2| 17.2 -9.0 8.2 16.4 0.06| 15.8 1.0 1000 297 11 296 24| 3.8 0.0 3.8| 62.8 -9.0 53.8 53.8 0.29| 14.5 4.2 1500 311 10 301 23| 4.0 0.0 4.0| 91.7 -9.0 82.7 55.1 0.35| 14.0 4.9 2000 341 10 314 22| 4.4 0.0 4.4|102.4 -9.0 93.3 46.7 0.41| 12.2 5.0 2500 27 11 335 17| 3.5 1.1 4.6|111.3 -9.0 102.2 40.9 0.43| 10.9 4.7 3000 50 13 350 14| 2.9 2.2 5.1|125.2 -9.0 116.2 38.7 0.43| 10.4 4.5 4000 69 16 14 12| 2.7 1.6 4.3|176.4 -9.0 167.3 41.8 0.51| 10.3 5.2 5000 83 18 32 9| 2.2 1.8 4.0|183.9 -33.7 150.2 30.0 0.36| 9.6 3.5 6000 84 18 37 9| 2.3 1.8 4.1|210.5 -52.7 157.7 26.3 0.33| 9.4 3.1 Wrote GIF file: /home/apache/climate/data/raob//SB107/skewt/SB107.skewt.20251229.12.gif