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 SBCG... Searching the city database file for: SBCG ... Date:1200Z 9 DEC 25 Station: SBCG WMO ident: 83612 Latitude: -20.47 Longitude: -54.67 Elevation: 556.00 ------------------------------------------------------------------------------- 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 47 SFC 943 556 22.0 21.7 98 0.3 21.8 310 11 300.1 303.4 297.0 351.7 17.59 2 931 670 21.2 21.2 100 0.0 21.2 332 17 300.4 303.6 296.8 351.1 17.27 3 925 728 20.8 20.8 100 0.0 20.8 330 18 300.6 303.7 296.7 350.3 16.95 4 850 1460 17.8 17.8 100 0.0 17.8 295 29 304.8 307.6 296.7 350.3 15.26 5 700 3107 9.8 8.9 94 0.9 9.2 275 25 313.3 315.3 295.6 345.2 10.29 6 632 3949 5.4 4.9 97 0.5 5.1 264 24 317.6 319.3 295.5 344.9 8.63 7 603 4332 5.0 1.5 78 3.5 3.0 273 24 321.4 322.8 295.3 344.3 7.10 8 597 4414 5.6 -7.4 39 13.0 -0.6 271 23 323.1 323.8 293.1 335.2 3.67 9 578 4677 3.0 -5.0 56 8.0 -1.0 262 21 323.0 323.9 293.8 338.0 4.57 10 570 4790 2.2 -7.8 48 10.0 -2.5 258 21 323.4 324.1 293.3 335.7 3.73 11 563 4890 2.4 -27.6 9 30.0 -6.7 255 20 324.8 324.9 290.9 327.3 0.70 12 528 5406 0.2 -39.8 3 40.0 -9.0 231 25 328.1 328.2 291.5 329.0 0.23 13 500 5840 -3.9 -37.9 5 34.0 -11.5 210 29 328.3 328.3 291.5 329.4 0.29 14 452 6629 -10.1 -47.1 3 37.0 -16.2 217 24 330.1 330.1 291.9 330.6 0.12 15 437 6890 -9.3 -51.3 2 42.0 -15.9 222 21 334.3 334.3 293.0 334.7 0.08 16 400 7570 -13.3 -56.3 1 43.0 -18.9 200 42 337.7 337.7 293.8 337.9 0.05 17 388 7800 -14.3 -56.3 1 42.0 -19.7 200 44 339.3 339.4 294.2 339.5 0.05 18 300 9680 -31.3 -62.3 3 31.0 -33.3 225 22 341.3 341.3 294.7 341.4 0.03 19 297 9751 -32.1 -62.1 3 30.0 -34.0 228 23 341.1 341.1 294.6 341.2 0.03 20 278 10217 -35.1 -67.1 2 32.0 -36.7 248 30 343.3 343.3 295.1 343.4 0.02 21 259 10708 -39.1 -55.1 17 16.0 -40.1 255 27 344.4 344.5 295.4 344.8 0.08 22 251 10923 -40.5 -44.7 64 4.2 -40.9 255 24 345.5 345.5 295.9 346.6 0.28 23 250 10950 -40.9 -45.2 63 4.3 -41.3 255 24 345.3 345.3 295.8 346.4 0.27 24 234 11397 -43.9 -47.3 69 3.4 -44.2 272 25 347.3 347.4 296.3 348.2 0.23 25 200 12430 -53.1 -56.3 68 3.2 -53.2 290 22 348.7 348.7 296.4 349.1 0.09 26 172 13379 -61.9 -66.9 51 5.0 -62.0 280 26 349.5 349.5 296.5 349.6 0.03 27 150 14210 -68.5 -73.4 49 4.9 -68.5 250 35 352.1 352.1 297.1 352.1 0.01 28 127 15191 -76.5 -81.4 46 4.9 -76.5 243 53 354.8 354.8 297.7 354.8 0.00 29 117 15661 -78.9 -83.8 45 4.8 -79.0 240 62 358.8 358.8 298.5 358.8 0.00 30 114 15809 -79.7 -84.5 45 4.8 -79.7 240 62 360.0 360.0 298.7 360.0 0.00 31 112 15909 -80.1 -86.1 36 6.0 -80.1 236 58 361.1 361.1 298.9 361.1 0.00 32 106 16228 -71.7 -82.7 18 11.0 -71.8 213 40 382.8 382.8 302.7 382.8 0.00 33 100 16570 -74.5 -86.5 14 12.0 -74.5 190 21 383.8 383.8 302.9 383.8 0.00 34 94 16928 -76.9 -85.9 22 9.0 -76.9 215 19 385.9 385.9 303.2 385.9 0.00 35 80 17852 -77.9 -88.9 15 11.0 -77.9 172 13 402.1 402.1 305.5 402.1 0.00 36 70 18620 -75.5 -87.5 14 12.0 -75.6 105 13 422.9 422.9 308.0 422.9 0.00 37 63 19228 -75.7 -88.7 11 13.0 -75.7 128 18 435.4 435.4 309.4 435.4 0.00 38 58 19711 -70.1 -88.1 5 18.0 -70.2 77 20 458.4 458.4 311.6 458.4 0.00 39 52 20357 -70.9 -88.9 5 18.0 -71.1 100 19 471.1 471.1 312.7 471.1 0.00 40 50 20590 -69.3 -89.3 4 20.0 -69.5 85 19 480.2 480.2 313.5 480.2 0.00 41 42 21646 -63.3 -88.3 2 25.0 -63.7 115 20 519.6 519.6 316.3 519.6 0.00 42 32 23334 -59.3 -86.3 2 27.0 -60.2 88 22 572.3 572.3 319.3 572.4 0.01 TRP 94 16928 -76.9 -85.9 22 9.0 -76.9 215 19 385.9 385.9 303.2 385.9 0.00 WND 117 15661 -78.9 -83.8 45 4.8 -79.0 240 62 358.8 358.8 298.5 358.8 0.00 Sounding variables and indices 1000-500 mb thick: 5793.00 m Freezing level: 526.63 mb = 5427.59 m = 17806.83 ft Wetbulb zero: 598.03 mb = 4399.86 m = 14435.08 ft Precipitable water: 1.78 inches Sfc-500 mean rel hum: 73.83 % Est. max temperature: 29.57 C = 85.23 F Sfc-Lift cond lev (LCL): 939.24 mb = 591.71 m = 1941.28 ft T: 21.75 C 700-500 lapse rate: 5.01 C/km ThetaE index: 15.10 C Layer 700.0- 578.0 mb Conv cond level (CCL): 894.53 mb = 1017.95 m = 3339.70 ft Mean mixing ratio: 16.25 g/kg Conv temperature: 24.06 C = 75.31 F Cap Strength: 1.01 C Lifted Index: -1.17 C Risk: Thunderstorms probable Lifted Index @300 mb: -3.19 C Lifted Index @700 mb: -0.94 C Showalter Index: -1.05 C Risk: Thunderstorms probable Total Totals Index: 43.40 C Risk: None Vertical Totals Index: 21.70 C Cross Totals Index: 21.70 C K Index: 38.60 Risk: > 80 % chance of thunderstorms Sweat Index: 300.60 Risk: Showers and thunderstorms possible Energy Index: -3.97 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 564.73 J/kg Max Up Vert Vel: 33.61 m/s Conv Inhibition (B-): 0.00 J/kg Cap Strength: 0.71 C Lift Cond Lev (LCL): 892.15 mb = 1040.98 m = 3415.25 ft Lev Free Conv (LFC): 887.15 mb = 1089.63 m = 3574.87 ft Equ Level (EL): 597.15 mb = 4411.85 m = 14474.40 ft B at Equ Level: 95.50 J/kg Max Parcel Lev (MPL): 97.15 mb = 16736.85 m = 54910.24 ft Wind level data Storm motion: 296 at 20 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 ---------------------------------------------------------- 0 943 556 310 11 8.4 -7.1 | 100 9 -9.1 1.5 1 937 610 335 16 6.8 -14.5 | 61 12 -10.8 -5.9 2 925 728 330 18 9.0 -15.6 | 51 11 -8.5 -7.0 3 905 914 320 27 17.4 -20.7 | 1 12 -0.2 -12.1 4 874 1219 310 36 27.6 -23.1 | 325 18 10.1 -14.5 5 850 1460 295 29 26.3 -12.3 | 293 9 8.8 -3.7 6 844 1524 285 31 29.9 -8.0 | 267 12 12.4 0.6 7 785 2134 290 29 27.3 -9.9 | 278 10 9.7 -1.3 8 757 2438 285 29 28.0 -7.5 | 264 11 10.5 1.1 9 700 3107 275 25 24.9 -2.2 | 229 10 7.4 6.4 10 654 3658 255 24 23.2 6.2 | 201 16 5.7 14.8 11 607 4267 275 24 23.9 -2.1 | 224 9 6.4 6.5 12 563 4877 255 20 19.3 5.2 | 187 14 1.8 13.8 13 500 5840 210 29 14.5 25.1 | 175 34 -3.0 33.7 14 484 6096 205 29 12.3 26.3 | 171 35 -5.3 34.9 15 430 7010 225 20 14.1 14.1 | 172 23 -3.4 22.7 16 400 7570 200 42 14.4 39.5 | 176 48 -3.2 48.1 17 381 7925 200 45 15.4 42.3 | 178 51 -2.1 50.9 18 366 8230 205 42 17.7 38.1 | 180 47 0.2 46.7 19 310 9449 225 23 16.3 16.3 | 177 25 -1.3 24.9 20 300 9680 225 22 15.6 15.6 | 175 24 -2.0 24.2 21 272 10363 255 32 30.9 8.3 | 218 22 13.4 16.9 22 250 10950 255 24 23.2 6.2 | 201 16 5.7 14.8 23 249 10973 245 30 27.2 12.7 | 204 23 9.7 21.3 24 227 11582 285 23 22.2 -6.0 | 241 5 4.7 2.6 25 200 12430 290 22 20.7 -7.5 | 251 3 3.1 1.1 26 198 12497 290 22 20.7 -7.5 | 251 3 3.1 1.1 27 179 13106 290 23 21.6 -7.9 | 260 4 4.1 0.7 28 155 14021 255 35 33.8 9.1 | 223 24 16.3 17.7 29 150 14210 250 35 32.9 12.0 | 217 26 15.4 20.6 30 117 15661 240 62 53.7 31.0 | 222 54 36.2 39.6 31 113 15850 240 62 53.7 31.0 | 222 54 36.2 39.6 32 100 16570 190 21 3.6 20.7 | 155 32 -13.9 29.3 33 97 16764 190 21 3.6 20.7 | 155 32 -13.9 29.3 34 94 16928 215 19 10.9 15.6 | 165 25 -6.6 24.2 35 87 17374 215 19 10.9 15.6 | 165 25 -6.6 24.2 36 78 17983 160 11 -3.8 10.3 | 132 28 -21.3 18.9 37 74 18288 160 19 -6.5 17.9 | 138 36 -24.0 26.5 38 70 18593 135 22 -15.6 15.6 | 126 41 -33.1 24.2 39 70 18620 105 13 -12.6 3.4 | 112 32 -30.1 12.0 40 67 18898 100 20 -19.7 3.5 | 108 39 -37.2 12.1 41 63 19202 135 18 -12.7 12.7 | 125 37 -30.3 21.3 42 60 19507 75 21 -20.3 -5.4 | 95 38 -37.8 3.2 43 54 20117 80 18 -17.7 -3.1 | 99 36 -35.3 5.5 44 51 20422 105 19 -18.4 4.9 | 111 38 -35.9 13.5 45 50 20590 85 19 -18.9 -1.7 | 101 37 -36.5 6.9 46 45 21031 85 19 -18.9 -1.7 | 101 37 -36.5 6.9 47 43 21336 115 19 -17.2 8.0 | 116 39 -34.7 16.6 48 37 21946 115 25 -22.7 10.6 | 115 45 -40.2 19.2 49 31 22860 80 21 -20.7 -3.6 | 97 39 -38.2 5.0 50 29 23165 90 16 -16.0 0.0 | 104 35 -33.5 8.6 51 27 23470 70 15 -14.1 -5.1 | 96 32 -31.6 3.5 52 25 23774 105 18 -17.4 4.7 | 111 37 -34.9 13.3 Wind Parameters Mean winds (0-6000m): 266.1 at 26.0 knts Storm direction: 296.1 at 19.5 knts Shear (0-3000m) pos: 3.5 neg: 4.9 tot: 8.4 10-3/s Storm rel Dir Shear (0-3000m): 105.4 deg Storm rel helicity (0-3000m) pos: 5.1 neg: -161.6 tot: -156.6 m^2/s^2 ave: -52.2 10^-3 m/s^2 rel: -0.81 Storm rel vorticity (0-3000m) horiz: 10.9 stream: -8.8 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 7.91 Bulk Shear: 71.41 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 ------------------------------------------------------------------------------- 500 323 22 25 10| 20.8 0.0 20.8| 0.0 -66.2 -66.2 -132.3 -0.95| 25.1-23.8 1000 311 27 343 10| 10.4 8.3 18.7| 0.0-123.3-123.3 -123.3 -0.88| 23.3-20.5 1500 303 28 317 9| 6.9 5.5 12.4| 4.8-123.3-118.5 -79.0 -0.80| 16.5-13.1 2000 299 28 304 9| 5.2 4.9 10.1| 5.1-132.3-127.3 -63.6 -0.80| 13.3-10.7 2500 295 28 292 9| 4.1 4.5 8.7| 5.1-144.3-139.2 -55.7 -0.82| 11.6 -9.5 3000 291 28 278 8| 3.5 4.9 8.4| 5.1-161.6-156.6 -52.2 -0.81| 10.9 -8.8 4000 285 27 257 8| 3.0 3.8 6.8| 21.1-175.4-154.4 -38.6 -0.66| 10.0 -6.6 5000 278 26 237 9| 2.4 4.8 7.3| 21.1-204.2-183.2 -36.6 -0.60| 9.9 -5.9 6000 266 26 219 13| 2.5 4.7 7.2| 27.5-248.7-221.3 -36.9 -0.55| 9.6 -5.3 Wrote GIF file: /home/apache/climate/data/raob//SBCG/skewt/SBCG.skewt.20251209.12.gif