UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120712.upa.cvt Date: 1200Z 7 DEC 25 Searching for SBLO... Searching the city database file for: SBLO ... Date:1200Z 7 DEC 25 Station: SBLO WMO ident: 83768 Latitude: -23.33 Longitude: -51.13 Elevation: 569.00 ------------------------------------------------------------------------------- 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 112 SFC 950 569 23.6 21.1 86 2.5 21.8 130 4 301.1 304.2 296.8 350.6 16.81 2 925 797 22.0 19.4 85 2.6 20.2 55 13 301.8 304.7 296.1 347.6 15.51 3 899 1045 21.8 16.8 73 5.0 18.4 47 15 304.1 306.6 295.3 344.3 13.51 4 850 1529 18.8 17.0 89 1.8 17.5 5 13 305.8 308.5 296.5 349.3 14.49 5 816 1880 17.4 13.1 76 4.3 14.6 22 13 307.9 310.1 295.1 343.3 11.69 6 722 2916 9.8 9.8 100 0.0 9.8 351 2 310.6 312.6 295.0 343.0 10.60 7 706 3102 8.6 7.3 92 1.3 7.8 317 3 311.2 313.0 294.1 339.3 9.13 8 700 3173 8.2 6.7 90 1.5 7.3 285 4 311.6 313.2 294.0 338.8 8.83 9 595 4499 1.0 -0.8 88 1.8 0.0 261 3 318.0 319.2 293.7 337.4 6.08 10 567 4885 -0.7 -6.7 64 6.0 -3.5 218 3 320.5 321.2 292.7 333.8 4.08 11 543 5230 -2.5 -36.5 5 34.0 -10.2 179 4 322.3 322.4 289.8 323.4 0.31 12 500 5880 -7.1 -22.1 29 15.0 -11.8 105 4 324.4 324.6 291.4 328.9 1.30 13 489 6054 -7.7 -45.7 3 38.0 -14.3 121 4 325.7 325.7 290.6 326.2 0.13 14 419 7240 -15.1 -52.1 3 37.0 -19.9 217 5 330.9 331.0 292.0 331.2 0.07 15 400 7590 -17.3 -51.3 3 34.0 -21.6 255 7 332.5 332.5 292.5 332.8 0.08 16 393 7722 -18.3 -44.3 8 26.0 -22.1 242 9 332.9 332.9 292.7 333.6 0.19 17 386 7856 -18.7 -25.7 54 7.0 -20.5 228 11 334.1 334.3 294.0 338.5 1.22 18 383 7914 -19.3 -24.2 65 4.9 -20.6 222 12 334.0 334.3 294.1 339.1 1.41 19 371 8150 -21.5 -24.0 80 2.5 -22.2 227 18 334.2 334.5 294.2 339.5 1.48 20 330 9003 -27.5 -37.5 38 10.0 -29.0 250 27 337.3 337.4 294.1 339.1 0.46 21 300 9680 -33.5 -41.5 44 8.0 -34.4 250 32 338.2 338.2 294.2 339.5 0.34 22 297 9750 -34.1 -44.1 36 10.0 -35.1 245 37 338.3 338.3 294.1 339.3 0.26 23 286 10012 -36.7 -43.7 48 7.0 -37.4 243 34 338.2 338.3 294.1 339.3 0.28 24 271 10382 -39.9 -47.9 42 8.0 -40.5 240 30 338.8 338.9 294.2 339.6 0.18 25 264 10561 -40.1 -59.1 11 19.0 -41.0 237 36 341.1 341.1 294.6 341.3 0.05 26 252 10876 -41.9 -53.9 26 12.0 -42.6 231 49 343.0 343.0 295.1 343.4 0.10 27 250 10930 -42.3 -55.3 23 13.0 -43.0 230 51 343.2 343.2 295.1 343.5 0.08 28 244 11093 -43.1 -59.1 16 16.0 -43.8 225 57 344.4 344.4 295.4 344.6 0.05 29 214 11962 -49.4 -67.2 11 17.8 -49.8 230 90 347.7 347.7 296.1 347.8 0.02 30 211 12054 -50.1 -68.1 10 18.0 -50.5 230 90 348.1 348.1 296.2 348.1 0.02 31 200 12400 -52.9 -68.9 13 16.0 -53.2 235 81 349.0 349.0 296.4 349.1 0.02 32 186 12864 -57.3 -69.3 20 12.0 -57.5 238 77 349.2 349.2 296.5 349.3 0.02 33 180 13070 -58.9 -61.7 70 2.8 -59.0 239 75 349.9 349.9 296.7 350.1 0.05 34 150 14190 -68.3 -72.7 53 4.4 -68.4 240 72 352.4 352.4 297.2 352.5 0.01 35 149 14230 -68.7 -73.1 53 4.4 -68.7 240 72 352.4 352.4 297.1 352.5 0.01 36 144 14434 -70.5 -76.5 41 6.0 -70.5 240 73 352.7 352.7 297.3 352.8 0.01 37 136 14772 -72.1 -79.1 34 7.0 -72.1 238 70 355.7 355.7 297.8 355.7 0.01 38 127 15178 -69.3 -85.3 8 16.0 -69.4 231 56 367.8 367.8 300.2 367.8 0.00 39 101 16523 -76.1 -86.1 19 10.0 -76.2 244 28 379.6 379.6 302.2 379.6 0.00 40 100 16580 -76.3 -86.3 19 10.0 -76.3 245 27 380.3 380.3 302.3 380.3 0.00 41 94 16935 -77.7 -87.7 18 10.0 -77.7 245 25 384.3 384.3 302.9 384.4 0.00 42 89 17249 -75.3 -88.3 11 13.0 -75.3 231 18 395.2 395.2 304.5 395.2 0.00 43 81 17791 -77.9 -88.9 15 11.0 -77.9 258 11 400.6 400.6 305.3 400.7 0.00 44 70 18630 -75.1 -89.1 10 14.0 -75.2 110 10 423.7 423.7 308.2 423.7 0.00 45 68 18798 -75.1 -89.1 10 14.0 -75.2 110 10 427.2 427.2 308.5 427.3 0.00 46 63 19247 -69.9 -88.9 5 19.0 -70.0 157 11 448.1 448.1 310.7 448.2 0.00 47 59 19636 -71.7 -89.7 5 18.0 -71.8 131 16 452.6 452.6 311.1 452.6 0.00 48 50 20620 -68.7 -90.7 3 22.0 -68.9 120 14 481.6 481.6 313.6 481.6 0.00 49 34 22978 -59.9 -88.9 1 29.0 -60.7 117 15 560.9 560.9 318.7 560.9 0.00 50 30 23760 -59.5 -89.5 1 30.0 -60.4 95 23 582.4 582.4 319.8 582.5 0.00 51 24 25169 -55.7 -87.7 1 32.0 -57.5 90 25 631.9 631.9 322.0 631.9 0.01 TRP 94 16935 -77.7 -87.7 18 10.0 -77.7 245 25 384.3 384.3 302.9 384.4 0.00 WND 214 11962 -49.4 -67.2 11 17.8 -49.8 230 90 347.7 347.7 296.1 347.8 0.02 Sounding variables and indices 1000-500 mb thick: 5768.00 m Freezing level: 578.53 mb = 4726.09 m = 15505.36 ft Wetbulb zero: 594.84 mb = 4500.68 m = 14765.83 ft Precipitable water: 1.69 inches Sfc-500 mean rel hum: 73.50 % Est. max temperature: 30.75 C = 87.34 F Sfc-Lift cond lev (LCL): 916.24 mb = 879.67 m = 2886.02 ft T: 21.93 C 700-500 lapse rate: 5.65 C/km ThetaE index: 25.85 C Layer 816.0- 500.0 mb Conv cond level (CCL): 800.95 mb = 2037.54 m = 6684.77 ft Mean mixing ratio: 14.65 g/kg Conv temperature: 30.72 C = 87.30 F Cap Strength: 1.90 C Lifted Index: -3.14 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -3.58 C Lifted Index @700 mb: -1.60 C Showalter Index: -3.90 C Risk: Severe thunderstorms possible Total Totals Index: 50.00 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 25.90 C Cross Totals Index: 24.10 C K Index: 41.40 Risk: > 80 % chance of thunderstorms Sweat Index: 254.00 Risk: None Energy Index: -3.98 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 880.89 J/kg Max Up Vert Vel: 41.97 m/s Conv Inhibition (B-): 61.50 J/kg Cap Strength: 1.90 C Lift Cond Lev (LCL): 856.87 mb = 1459.42 m = 4788.08 ft Lev Free Conv (LFC): 751.87 mb = 2572.49 m = 8439.84 ft Equ Level (EL): 221.87 mb = 11722.54 m = 38459.30 ft B at Equ Level: 876.17 J/kg Max Parcel Lev (MPL): 111.87 mb = 15922.30 m = 52237.90 ft Wind level data Storm motion: 60 at 4 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 ---------------------------------------------------------- 0 950 569 130 4 -3.1 2.6 | 190 5 0.8 4.8 1 925 797 55 13 -10.6 -7.5 | 52 9 -6.8 -5.2 2 913 914 50 15 -11.5 -9.6 | 46 11 -7.6 -7.4 3 850 1524 35 15 -8.6 -12.3 | 25 11 -4.7 -10.0 4 850 1529 5 13 -1.1 -13.0 | 346 11 2.7 -10.7 5 820 1829 25 13 -5.5 -11.8 | 10 10 -1.6 -9.5 6 791 2134 5 10 -0.9 -10.0 | 339 8 3.0 -7.7 7 763 2438 30 4 -2.0 -3.5 | 303 2 1.9 -1.2 8 710 3048 340 2 0.7 -1.9 | 265 5 4.6 0.4 9 700 3173 285 4 3.9 -1.0 | 261 8 7.7 1.2 10 611 4267 285 3 2.9 -0.8 | 258 7 6.8 1.5 11 500 5880 105 4 -3.9 1.0 | 180 3 0.0 3.3 12 486 6096 125 4 -3.3 2.3 | 188 5 0.6 4.6 13 449 6706 160 3 -1.0 2.8 | 209 6 2.9 5.1 14 400 7590 255 7 6.8 1.8 | 249 11 10.6 4.1 15 382 7925 220 12 7.7 9.2 | 225 16 11.6 11.5 16 366 8230 230 21 16.1 13.5 | 232 25 20.0 15.8 17 351 8534 250 24 22.6 8.2 | 248 28 26.4 10.5 18 300 9680 250 32 30.1 10.9 | 249 36 34.0 13.2 19 297 9754 245 37 33.5 15.6 | 244 41 37.4 17.9 20 272 10363 240 29 25.1 14.5 | 240 33 29.0 16.8 21 250 10930 230 51 39.1 32.8 | 231 55 42.9 35.0 22 237 11278 220 65 41.8 49.8 | 221 69 45.7 52.1 23 214 11962 230 90 68.9 57.9 | 230 94 72.8 60.1 24 207 12192 230 90 68.9 57.9 | 230 94 72.8 60.1 25 200 12400 235 81 66.4 46.5 | 235 85 70.2 48.7 26 154 14021 245 66 59.8 27.9 | 245 70 63.7 30.2 27 150 14190 240 72 62.4 36.0 | 240 76 66.2 38.3 28 139 14630 240 74 64.1 37.0 | 240 78 68.0 39.3 29 119 15545 225 44 31.1 31.1 | 226 48 35.0 33.4 30 100 16580 245 27 24.5 11.4 | 244 31 28.4 13.7 31 97 16764 245 27 24.5 11.4 | 244 31 28.4 13.7 32 94 16935 245 25 22.7 10.6 | 244 29 26.5 12.8 33 87 17374 225 15 10.6 10.6 | 228 19 14.5 12.9 34 83 17678 235 13 10.6 7.5 | 236 17 14.5 9.7 35 74 18288 360 1 -0.0 -1.0 | 252 4 3.9 1.3 36 70 18630 110 10 -9.4 3.4 | 136 8 -5.5 5.7 37 67 18898 110 10 -9.4 3.4 | 136 8 -5.5 5.7 38 64 19202 160 10 -3.4 9.4 | 182 12 0.5 11.7 39 57 19812 120 18 -15.6 9.0 | 134 16 -11.7 11.3 40 54 20117 90 20 -20.0 0.0 | 98 16 -16.1 2.3 41 52 20422 80 18 -17.7 -3.1 | 86 14 -13.8 -0.9 42 50 20620 120 14 -12.1 7.0 | 138 12 -8.2 9.3 43 49 20726 130 11 -8.4 7.1 | 154 10 -4.5 9.3 44 47 21031 105 14 -13.5 3.6 | 121 11 -9.6 5.9 45 45 21336 70 18 -16.9 -6.2 | 73 14 -13.0 -3.9 46 42 21641 90 16 -16.0 0.0 | 101 12 -12.1 2.3 47 38 22250 40 16 -10.3 -12.3 | 33 12 -6.4 -10.0 48 35 22860 115 8 -7.3 3.4 | 149 7 -3.4 5.6 49 33 23165 120 24 -20.8 12.0 | 130 22 -16.9 14.3 50 30 23760 95 23 -22.9 2.0 | 103 20 -19.0 4.3 51 30 23774 115 26 -23.6 11.0 | 124 24 -19.7 13.2 52 28 24079 90 20 -20.0 0.0 | 98 16 -16.1 2.3 53 26 24384 95 29 -28.9 2.5 | 101 25 -25.0 4.8 54 24 24689 90 25 -25.0 0.0 | 96 21 -21.1 2.3 55 22 24994 75 23 -22.2 -6.0 | 79 19 -18.3 -3.7 56 19 25603 85 23 -22.9 -2.0 | 91 19 -19.0 0.3 Wind Parameters Mean winds (0-6000m): 29.8 at 6.0 knts Storm direction: 59.8 at 4.5 knts Shear (0-3000m) pos: 1.6 neg: 2.5 tot: 4.1 10-3/s Storm rel Dir Shear (0-3000m): 70.3 deg Storm rel helicity (0-3000m) pos: 8.3 neg: -66.2 tot: -57.9 m^2/s^2 ave: -19.3 10^-3 m/s^2 rel: -0.66 Storm rel vorticity (0-3000m) horiz: 8.3 stream: -5.5 10^-3/s Energy-Hel index: 0.05 Bulk Rich Number: 139.41 Bulk Shear: 6.32 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 56 12 54 7| 0.0 15.5 15.5| 0.0 -24.8 -24.8 -49.6 -0.91| 18.5-16.8 1000 46 13 39 9| 0.0 8.0 8.0| 0.0 -51.8 -51.8 -51.8 -0.94| 14.3-13.5 1500 36 13 25 9| 0.8 5.3 6.1| 8.3 -59.3 -51.0 -34.0 -0.76| 11.9 -9.0 2000 33 11 18 8| 2.5 4.0 6.4| 8.3 -63.1 -54.7 -27.4 -0.70| 11.0 -7.6 2500 32 10 11 6| 2.0 3.0 5.0| 8.3 -64.7 -56.4 -22.6 -0.69| 9.3 -6.5 3000 27 9 0 5| 1.6 2.5 4.1| 8.3 -66.2 -57.9 -19.3 -0.66| 8.3 -5.5 4000 18 7 341 5| 1.2 1.6 2.8| 8.3 -70.0 -61.7 -15.4 -0.67| 6.6 -4.4 5000 21 6 338 4| 1.0 0.9 1.9| 8.3 -81.5 -73.2 -14.6 -0.70| 6.0 -4.1 6000 30 6 343 3| 0.9 0.9 1.8| 10.9 -82.8 -71.9 -12.0 -0.62| 5.4 -3.4 Wrote GIF file: /home/apache/climate/data/raob//SBLO/skewt/SBLO.skewt.20251207.12.gif