UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121812.upa.cvt Date: 1200Z 18 DEC 25 Searching for SB107... Searching the city database file for: SB107 ... Date:1200Z 18 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 96 240 2 SFC 999 105 23.2 22.7 97 0.5 22.9 240 2 296.4 299.6 296.0 347.4 17.65 2 987 211 22.4 22.3 99 0.1 22.3 174 3 296.7 299.8 296.0 347.0 17.43 3 956 491 24.8 20.0 75 4.8 21.4 91 6 301.8 304.7 296.1 347.7 15.58 4 925 781 22.8 19.5 82 3.3 20.5 55 8 302.6 305.5 296.4 348.8 15.61 5 850 1515 18.0 16.5 91 1.5 17.0 35 10 305.0 307.6 296.0 346.9 14.03 6 833 1688 16.8 15.8 94 1.0 16.1 39 10 305.5 308.1 295.8 346.5 13.68 7 761 2455 12.4 12.0 97 0.4 12.1 51 7 308.7 310.9 295.3 344.2 11.66 8 700 3154 9.0 6.1 82 2.9 7.2 90 5 312.5 314.1 294.0 338.7 8.47 9 673 3480 7.6 3.5 75 4.1 5.2 91 8 314.4 315.8 293.7 337.4 7.33 10 553 5076 -1.3 -1.8 96 0.5 -1.6 27 13 322.0 323.2 294.7 341.7 6.08 11 549 5134 -0.7 -3.1 84 2.4 -2.0 26 14 323.4 324.5 294.7 341.6 5.55 12 541 5252 -1.1 -4.0 81 2.9 -2.6 24 17 324.3 325.3 294.7 341.6 5.27 13 537 5311 -0.9 -10.9 47 10.0 -5.3 23 18 325.2 325.8 293.2 335.7 3.10 14 514 5661 -2.3 -9.3 59 7.0 -5.5 9 15 327.6 328.4 294.3 340.0 3.68 15 500 5880 -4.3 -9.3 68 5.0 -6.5 5 9 327.8 328.6 294.4 340.5 3.78 16 478 6233 -7.1 -7.2 99 0.1 -7.1 359 12 328.6 329.5 295.3 344.2 4.67 17 459 6548 -8.1 -15.1 57 7.0 -10.8 356 15 331.2 331.7 294.3 340.1 2.58 18 431 7033 -12.3 -19.3 56 7.0 -14.6 339 17 331.8 332.2 294.0 338.6 1.93 19 420 7230 -14.3 -19.3 66 5.0 -15.9 329 16 331.7 332.1 294.0 338.7 1.98 20 405 7506 -14.7 -16.4 87 1.7 -15.3 315 16 334.7 335.2 295.3 343.9 2.62 21 400 7600 -15.1 -16.8 87 1.7 -15.7 310 16 335.4 335.9 295.4 344.4 2.57 22 330 9024 -24.3 -26.2 84 1.9 -24.8 179 10 341.7 342.0 295.9 346.8 1.37 23 300 9710 -29.1 -31.9 77 2.8 -29.6 135 12 344.4 344.6 296.1 347.7 0.88 24 294 9855 -30.3 -33.3 75 3.0 -30.8 136 13 344.7 344.8 296.1 347.7 0.78 25 254 10881 -38.7 -42.6 67 3.9 -39.1 163 13 347.0 347.0 296.3 348.4 0.35 26 250 10990 -39.9 -43.8 66 3.9 -40.3 165 13 346.7 346.8 296.2 348.0 0.31 27 240 11267 -42.3 -44.8 76 2.5 -42.5 168 14 347.2 347.3 296.3 348.4 0.29 28 200 12470 -53.1 -61.1 37 8.0 -53.3 180 18 348.7 348.7 296.4 348.9 0.05 29 199 12502 -53.5 -61.5 37 8.0 -53.7 180 18 348.5 348.6 296.4 348.8 0.05 30 179 13176 -59.7 -66.7 40 7.0 -59.8 184 17 349.1 349.1 296.5 349.2 0.03 31 150 14260 -68.9 -73.9 48 5.0 -68.9 125 28 351.4 351.4 297.0 351.4 0.01 32 130 15097 -76.9 -81.8 45 4.9 -76.9 121 31 351.7 351.7 297.0 351.8 0.00 33 100 16580 -82.5 -90.5 24 8.0 -82.5 40 28 368.3 368.3 300.2 368.3 0.00 34 93 16983 -84.3 -92.3 23 8.0 -84.3 30 32 372.5 372.5 301.0 372.5 0.00 35 70 18590 -75.7 -87.7 14 12.0 -75.7 225 7 422.4 422.4 308.0 422.4 0.00 36 50 20540 -69.9 -89.9 4 20.0 -70.1 85 34 478.8 478.8 313.4 478.8 0.00 37 30 23650 -61.3 -89.3 1 28.0 -62.1 90 62 577.5 577.5 319.5 577.6 0.00 38 27 24304 -61.3 -89.3 1 28.0 -62.1 95 67 595.2 595.2 320.4 595.2 0.00 TRP 93 16983 -84.3 -92.3 23 8.0 -84.3 30 32 372.5 372.5 301.0 372.5 0.00 WND 27 24304 -61.3 -89.3 1 28.0 -62.1 95 67 595.2 595.2 320.4 595.2 0.00 Sounding variables and indices 1000-500 mb thick: 5784.00 m Freezing level: 570.53 mb = 4843.14 m = 15889.37 ft Wetbulb zero: 580.58 mb = 4680.66 m = 15356.30 ft Precipitable water: 2.29 inches Sfc-500 mean rel hum: 84.05 % Est. max temperature: 31.79 C = 89.23 F Sfc-Lift cond lev (LCL): 992.15 mb = 165.11 m = 541.70 ft T: 22.74 C 700-500 lapse rate: 4.88 C/km ThetaE index: 11.41 C Layer 850.0- 553.0 mb Conv cond level (CCL): 862.01 mb = 1393.19 m = 4570.79 ft Mean mixing ratio: 16.02 g/kg Conv temperature: 31.38 C = 88.48 F Cap Strength: 2.16 C Lifted Index: -0.63 C Risk: Thunderstorms probable Lifted Index @300 mb: 0.35 C Lifted Index @700 mb: -1.04 C Showalter Index: -0.22 C Risk: Thunderstorms probable Total Totals Index: 43.10 C Risk: None Vertical Totals Index: 22.30 C Cross Totals Index: 20.80 C K Index: 35.90 Risk: > 80 % chance of thunderstorms Sweat Index: 227.00 Risk: None Energy Index: -1.31 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 296.28 J/kg Max Up Vert Vel: 24.34 m/s Conv Inhibition (B-): 54.37 J/kg Cap Strength: 2.16 C Lift Cond Lev (LCL): 909.60 mb = 926.78 m = 3040.57 ft Lev Free Conv (LFC): 804.60 mb = 1982.46 m = 6504.05 ft Equ Level (EL): 314.60 mb = 9367.99 m = 30734.50 ft B at Equ Level: 295.62 J/kg Max Parcel Lev (MPL): 124.60 mb = 15336.97 m = 50317.54 ft Wind level data Storm motion: 82 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 ---------------------------------------------------------- 0 999 105 240 2 1.7 1.0 | 257 9 9.0 2.1 1 977 305 115 4 -3.6 1.7 | 233 5 3.7 2.8 2 943 610 75 7 -6.8 -1.8 | 322 1 0.6 -0.7 3 925 781 55 8 -6.6 -4.6 | 348 4 0.8 -3.5 4 911 914 50 8 -6.1 -5.1 | 344 4 1.2 -4.1 5 879 1219 50 11 -8.4 -7.1 | 11 6 -1.1 -6.0 6 850 1515 35 10 -5.7 -8.2 | 347 7 1.6 -7.1 7 849 1524 35 11 -6.3 -9.0 | 353 8 1.0 -7.9 8 790 2134 50 9 -6.9 -5.8 | 355 5 0.4 -4.7 9 762 2438 50 7 -5.4 -4.5 | 330 4 2.0 -3.4 10 700 3154 90 5 -5.0 0.0 | 245 3 2.3 1.1 11 610 4267 95 14 -13.9 1.2 | 109 7 -6.6 2.3 12 566 4877 30 10 -5.0 -8.7 | 343 8 2.3 -7.6 13 525 5486 20 21 -7.2 -19.7 | 360 19 0.1 -18.6 14 506 5791 360 11 -0.0 -11.0 | 324 12 7.3 -9.9 15 500 5880 5 9 -0.8 -9.0 | 320 10 6.5 -7.9 16 486 6096 360 10 -0.0 -10.0 | 321 12 7.3 -8.9 17 449 6706 355 17 1.5 -16.9 | 331 18 8.8 -15.8 18 400 7600 310 16 12.3 -10.3 | 295 22 19.6 -9.2 19 399 7620 310 10 7.7 -6.4 | 290 16 15.0 -5.3 20 367 8230 295 10 9.1 -4.2 | 281 17 16.4 -3.1 21 338 8839 210 3 1.5 2.6 | 247 10 8.8 3.7 22 324 9144 155 15 -6.3 13.6 | 184 15 1.0 14.7 23 300 9710 135 12 -8.5 8.5 | 173 10 -1.2 9.6 24 298 9754 125 12 -9.8 6.9 | 163 8 -2.5 8.0 25 285 10058 160 16 -5.5 15.0 | 187 16 1.8 16.1 26 262 10668 170 15 -2.6 14.8 | 197 17 4.7 15.9 27 251 10973 160 12 -4.1 11.3 | 195 13 3.2 12.4 28 250 10990 165 13 -3.4 12.6 | 196 14 4.0 13.6 29 218 11887 175 17 -1.5 16.9 | 198 19 5.8 18.0 30 200 12470 180 18 0.0 18.0 | 201 20 7.3 19.1 31 172 13411 185 16 1.4 15.9 | 207 19 8.7 17.0 32 164 13716 155 18 -7.6 16.3 | 179 17 -0.3 17.4 33 150 14260 125 28 -22.9 16.1 | 138 23 -15.6 17.2 34 141 14630 125 28 -22.9 16.1 | 138 23 -15.6 17.2 35 126 15240 120 32 -27.7 16.0 | 130 27 -20.4 17.1 36 120 15545 110 33 -31.0 11.3 | 118 27 -23.7 12.4 37 108 16154 50 28 -21.4 -18.0 | 40 22 -14.1 -16.9 38 100 16580 40 28 -18.0 -21.4 | 28 23 -10.7 -20.4 39 97 16764 40 27 -17.4 -20.7 | 27 22 -10.0 -19.6 40 93 16983 30 32 -16.0 -27.7 | 18 28 -8.7 -26.6 41 92 17069 25 28 -11.8 -25.4 | 11 25 -4.5 -24.3 42 82 17678 70 28 -26.3 -9.6 | 66 21 -19.0 -8.5 43 78 17983 65 38 -34.4 -16.1 | 61 31 -27.1 -15.0 44 74 18288 40 34 -21.9 -26.0 | 30 29 -14.5 -25.0 45 70 18590 225 7 4.9 4.9 | 244 14 12.3 6.0 46 70 18593 50 23 -17.6 -14.8 | 37 17 -10.3 -13.7 47 66 18898 225 13 9.2 9.2 | 238 19 16.5 10.3 48 63 19202 235 23 18.8 13.2 | 241 30 26.2 14.3 49 60 19507 245 19 17.2 8.0 | 250 26 24.5 9.1 50 54 20117 170 3 -0.5 3.0 | 239 8 6.8 4.0 51 51 20422 110 20 -18.8 6.8 | 125 14 -11.5 7.9 52 50 20540 85 34 -33.9 -3.0 | 86 27 -26.6 -1.9 53 48 20726 85 32 -31.9 -2.8 | 86 25 -24.6 -1.7 54 46 21031 75 41 -39.6 -10.6 | 74 34 -32.3 -9.5 55 44 21336 65 46 -41.7 -19.4 | 62 39 -34.4 -18.3 56 34 22860 95 54 -53.8 4.7 | 97 47 -46.5 5.8 57 30 23650 90 62 -62.0 0.0 | 91 55 -54.7 1.1 58 27 24304 95 67 -66.7 5.8 | 97 60 -59.4 6.9 59 25 24689 95 67 -66.7 5.8 | 97 60 -59.4 6.9 60 19 25603 100 63 -62.0 10.9 | 102 56 -54.7 12.0 Wind Parameters Mean winds (0-6000m): 51.5 at 9.9 knts Storm direction: 81.5 at 7.4 knts Shear (0-3000m) pos: 1.4 neg: 2.2 tot: 3.6 10-3/s Storm rel Dir Shear (0-3000m): -8.1 deg Storm rel helicity (0-3000m) pos: 5.4 neg: -15.8 tot: -10.4 m^2/s^2 ave: -3.5 10^-3 m/s^2 rel: -0.17 Storm rel vorticity (0-3000m) horiz: 5.2 stream: -0.9 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 39.17 Bulk Shear: 7.56 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 99 4 239 3| 0.0 9.2 9.2| 0.5 -7.4 -6.9 -13.7 -0.14| 11.8 -1.6 1000 68 6 312 2| 0.0 6.1 6.1| 2.7 -7.6 -4.9 -4.9 0.03| 8.7 0.3 1500 56 8 344 3| 0.0 4.3 4.3| 5.0 -11.9 -6.9 -4.6 -0.03| 7.4 -0.2 2000 51 8 349 4| 0.7 3.2 3.9| 5.4 -12.0 -6.6 -3.3 -0.02| 6.2 -0.1 2500 51 8 347 4| 1.1 2.6 3.7| 5.4 -14.4 -9.0 -3.6 -0.10| 5.6 -0.5 3000 54 8 343 4| 1.4 2.2 3.6| 5.4 -15.8 -10.4 -3.5 -0.17| 5.2 -0.9 4000 65 8 358 2| 1.5 1.6 3.1| 5.4 -18.3 -12.9 -3.2 -0.26| 4.9 -1.3 5000 65 9 15 3| 1.2 2.4 3.6| 9.6 -39.7 -30.1 -6.0 -0.38| 5.9 -2.2 6000 52 10 5 5| 1.0 1.8 2.8| 13.9 -79.5 -65.7 -10.9 -0.39| 6.7 -2.6 Wrote GIF file: /home/apache/climate/data/raob//SB107/skewt/SB107.skewt.20251218.12.gif