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 SBLO... Searching the city database file for: SBLO ... Date:1200Z 9 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 20 SFC 940 569 20.8 20.6 99 0.2 20.7 10 13 299.2 302.2 296.0 347.2 16.46 2 925 701 20.2 20.2 100 0.0 20.2 10 16 300.0 302.9 296.1 347.7 16.32 3 850 1430 17.4 17.2 99 0.2 17.2 330 35 304.4 307.1 296.2 348.1 14.68 4 700 3069 8.6 8.6 100 0.0 8.6 325 35 312.0 313.9 295.0 343.0 10.08 5 606 4252 2.2 2.2 100 0.0 2.2 315 34 317.8 319.2 294.6 341.3 7.43 6 508 5665 -4.5 -4.6 99 0.1 -4.6 272 41 326.1 327.1 295.2 343.8 5.36 7 500 5790 -4.9 -5.6 95 0.7 -5.3 270 41 327.1 328.1 295.3 343.8 5.05 8 487 5996 -6.1 -12.1 62 6.0 -8.6 270 41 328.1 328.7 294.0 338.6 3.11 9 433 6906 -10.7 -33.7 13 23.0 -16.0 275 38 333.4 333.5 293.2 335.4 0.51 10 400 7510 -14.7 -45.7 5 31.0 -19.6 275 36 335.9 335.9 293.4 336.5 0.16 11 346 8595 -21.3 -48.3 7 27.0 -24.8 272 39 341.2 341.2 294.7 341.7 0.14 12 321 9143 -26.5 -40.5 25 14.0 -28.5 275 43 341.4 341.4 295.0 342.7 0.35 13 318 9211 -27.3 -34.3 51 7.0 -28.5 276 41 341.2 341.3 295.2 343.7 0.66 14 315 9280 -27.5 -31.6 68 4.1 -28.3 276 39 341.8 342.0 295.6 345.1 0.86 15 307 9465 -28.1 -31.1 75 3.0 -28.7 278 33 343.5 343.7 296.0 347.0 0.93 16 301 9606 -28.9 -32.0 75 3.1 -29.5 280 29 344.3 344.5 296.1 347.6 0.87 17 300 9630 -29.1 -32.1 75 3.0 -29.7 280 28 344.4 344.5 296.1 347.7 0.86 18 251 10873 -39.7 -41.0 87 1.3 -39.8 299 24 346.6 346.7 296.3 348.3 0.42 19 250 10900 -39.9 -41.4 86 1.5 -40.1 300 24 346.7 346.8 296.3 348.4 0.41 20 205 12221 -51.9 -55.4 66 3.5 -52.0 309 27 348.1 348.1 296.3 348.5 0.10 21 200 12380 -53.3 -56.7 66 3.4 -53.4 300 30 348.4 348.4 296.4 348.7 0.09 22 177 13156 -60.1 -64.4 57 4.3 -60.2 296 33 349.6 349.6 296.5 349.8 0.04 23 150 14170 -68.7 -73.7 48 5.0 -68.7 285 58 351.7 351.7 297.0 351.8 0.01 24 128 15102 -75.5 -80.5 45 5.0 -75.5 269 72 355.8 355.8 297.8 355.8 0.00 25 123 15331 -77.1 -81.8 46 4.8 -77.1 265 76 357.0 357.0 298.1 357.1 0.00 26 118 15568 -78.7 -83.2 48 4.5 -78.7 265 74 358.3 358.3 298.4 358.3 0.00 27 116 15665 -78.9 -83.9 44 5.0 -78.9 263 69 359.7 359.7 298.7 359.7 0.00 28 112 15869 -70.7 -82.7 15 12.0 -70.8 258 58 378.7 378.7 302.1 378.7 0.00 29 104 16308 -70.3 -85.3 9 15.0 -70.4 230 43 387.5 387.5 303.4 387.5 0.00 30 101 16481 -71.5 -85.5 11 14.0 -71.6 226 33 388.5 388.5 303.6 388.5 0.00 31 100 16540 -71.5 -85.5 11 14.0 -71.6 240 21 389.6 389.6 303.8 389.6 0.00 32 75 18213 -77.5 -88.5 15 11.0 -77.5 190 8 410.4 410.4 306.6 410.4 0.00 33 70 18610 -75.3 -88.3 11 13.0 -75.3 145 15 423.3 423.3 308.1 423.3 0.00 34 54 20137 -67.9 -87.9 4 20.0 -68.1 137 11 473.0 473.0 312.9 473.0 0.00 35 50 20600 -66.5 -88.5 3 22.0 -66.7 105 13 486.8 486.8 314.0 486.8 0.00 36 30 23760 -57.5 -85.5 2 28.0 -58.7 90 12 587.9 587.9 320.0 587.9 0.01 37 27 24427 -56.1 -85.1 1 29.0 -57.6 67 11 609.8 609.8 321.0 609.9 0.01 38 25 24914 -57.9 -84.9 2 27.0 -59.3 83 13 618.2 618.2 321.4 618.3 0.01 39 20 26340 -51.5 -82.5 1 31.0 -54.5 75 20 678.5 678.5 323.7 678.7 0.02 40 19 26674 -49.9 -81.9 1 32.0 -53.5 75 17 693.5 693.5 324.2 693.7 0.03 TRP 75 18213 -77.5 -88.5 15 11.0 -77.5 190 8 410.4 410.4 306.6 410.4 0.00 WND 123 15331 -77.1 -81.8 46 4.8 -77.1 265 76 357.0 357.0 298.1 357.1 0.00 Sounding variables and indices 1000-500 mb thick: 5770.00 m Freezing level: 573.82 mb = 4716.00 m = 15472.25 ft Wetbulb zero: 574.18 mb = 4684.06 m = 15367.48 ft Precipitable water: 1.97 inches Sfc-500 mean rel hum: 99.53 % Est. max temperature: 28.72 C = 83.70 F Sfc-Lift cond lev (LCL): 937.58 mb = 590.14 m = 1936.13 ft T: 20.70 C 700-500 lapse rate: 4.96 C/km ThetaE index: 6.80 C Layer 700.0- 508.0 mb Conv cond level (CCL): 884.57 mb = 1086.31 m = 3563.95 ft Mean mixing ratio: 15.53 g/kg Conv temperature: 23.84 C = 74.91 F Cap Strength: 0.15 C Lifted Index: -1.20 C Risk: Thunderstorms probable Lifted Index @300 mb: 0.41 C Lifted Index @700 mb: -1.44 C Showalter Index: -1.29 C Risk: Thunderstorms probable Total Totals Index: 44.40 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 22.30 C Cross Totals Index: 22.10 C K Index: 39.50 Risk: > 80 % chance of thunderstorms Sweat Index: 317.40 Risk: Showers and thunderstorms possible Energy Index: -0.96 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 312.97 J/kg Max Up Vert Vel: 25.02 m/s Conv Inhibition (B-): 1.64 J/kg Cap Strength: 0.17 C Lift Cond Lev (LCL): 887.86 mb = 1054.28 m = 3458.87 ft Lev Free Conv (LFC): 832.86 mb = 1601.94 m = 5255.63 ft Equ Level (EL): 352.86 mb = 8448.26 m = 27717.06 ft B at Equ Level: 297.45 J/kg Max Parcel Lev (MPL): 132.86 mb = 14882.96 m = 48828.02 ft Wind level data Storm motion: 338 at 26 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 ---------------------------------------------------------- 0 940 569 10 13 -2.3 -12.8 | 134 17 -12.2 11.5 1 935 610 15 12 -3.1 -11.6 | 134 18 -13.0 12.8 2 925 701 10 16 -2.8 -15.8 | 124 15 -12.7 8.6 3 902 914 350 27 4.7 -26.6 | 67 6 -5.2 -2.2 4 871 1219 335 38 16.1 -34.4 | 329 12 6.2 -10.1 5 850 1430 330 35 17.5 -30.3 | 308 10 7.6 -6.0 6 782 2134 335 30 12.7 -27.2 | 316 4 2.8 -2.8 7 754 2438 325 34 19.5 -27.9 | 290 10 9.6 -3.5 8 700 3069 325 35 20.1 -28.7 | 293 11 10.2 -4.3 9 604 4267 315 34 24.0 -24.0 | 269 14 14.1 0.3 10 560 4877 285 39 37.7 -10.1 | 243 31 27.8 14.3 11 500 5790 270 41 41.0 -0.0 | 232 39 31.1 24.3 12 500 5791 260 40 39.4 6.9 | 223 43 29.5 31.3 13 481 6096 275 41 40.8 -3.6 | 236 37 30.9 20.8 14 400 7510 275 36 35.9 -3.1 | 231 34 26.0 21.2 15 363 8230 270 37 37.0 -0.0 | 228 36 27.1 24.3 16 320 9144 275 43 42.8 -3.7 | 238 39 32.9 20.6 17 300 9630 280 28 27.6 -4.9 | 222 26 17.7 19.5 18 282 10058 280 25 24.6 -4.3 | 216 25 14.7 20.0 19 250 10900 300 24 20.8 -12.0 | 221 16 10.9 12.3 20 206 12192 310 27 20.7 -17.4 | 237 13 10.8 7.0 21 200 12380 300 30 26.0 -15.0 | 240 19 16.1 9.3 22 169 13411 295 34 30.8 -14.4 | 244 23 20.9 10.0 23 150 14170 285 58 56.0 -15.0 | 259 47 46.1 9.3 24 123 15331 265 76 75.7 6.6 | 245 73 65.8 31.0 25 119 15545 265 76 75.7 6.6 | 245 73 65.8 31.0 26 113 15850 260 59 58.1 10.2 | 234 59 48.2 34.6 27 101 16459 220 38 24.4 29.1 | 195 55 14.5 53.5 28 100 16540 240 21 18.2 10.5 | 193 36 8.3 34.8 29 96 16764 240 21 18.2 10.5 | 193 36 8.3 34.8 30 75 18213 190 8 1.4 7.9 | 165 33 -8.5 32.2 31 74 18288 220 6 3.9 4.6 | 168 30 -6.0 28.9 32 70 18593 180 12 0.0 12.0 | 165 38 -9.9 36.3 33 70 18610 145 15 -8.6 12.3 | 153 41 -18.5 36.6 34 67 18898 160 22 -7.5 20.7 | 159 48 -17.4 45.0 35 60 19507 115 13 -11.8 5.5 | 144 37 -21.7 29.8 36 57 19812 55 11 -9.0 -6.3 | 134 26 -18.9 18.0 37 54 20117 140 11 -7.1 8.4 | 153 37 -17.0 32.8 38 52 20422 110 14 -13.2 4.8 | 142 37 -23.1 29.1 39 50 20600 105 13 -12.6 3.4 | 141 36 -22.5 27.7 40 44 21336 95 10 -10.0 0.9 | 142 32 -19.9 25.2 41 42 21641 125 13 -10.6 7.5 | 147 38 -20.6 31.8 42 40 21946 100 16 -15.8 2.8 | 137 37 -25.7 27.1 43 38 22250 80 14 -13.8 -2.4 | 133 32 -23.7 21.9 44 36 22555 45 13 -9.2 -9.2 | 128 24 -19.1 15.2 45 35 22860 120 10 -8.7 5.0 | 148 35 -18.6 29.3 46 31 23470 80 12 -11.8 -2.1 | 136 31 -21.7 22.3 47 30 23760 90 12 -12.0 0.0 | 138 33 -21.9 24.3 48 29 24079 95 13 -13.0 1.1 | 138 34 -22.9 25.5 49 27 24384 65 11 -10.0 -4.6 | 135 28 -19.9 19.7 50 25 24994 85 13 -13.0 -1.1 | 135 33 -22.9 23.2 51 22 25603 5 1 -0.1 -1.0 | 157 25 -10.0 23.4 52 20 26213 100 14 -13.8 2.4 | 139 36 -23.7 26.8 53 20 26340 75 20 -19.3 -5.2 | 123 35 -29.2 19.2 54 19 26518 75 17 -16.4 -4.4 | 127 33 -26.3 19.9 55 17 26822 80 15 -14.8 -2.6 | 131 33 -24.7 21.7 Wind Parameters Mean winds (0-6000m): 307.9 at 35.0 knts Storm direction: 337.9 at 26.3 knts Shear (0-3000m) pos: 0.7 neg: 5.5 tot: 6.2 10-3/s Storm rel Dir Shear (0-3000m): 148.1 deg Storm rel helicity (0-3000m) pos: 2.8 neg: -77.0 tot: -74.2 m^2/s^2 ave: -24.7 10^-3 m/s^2 rel: -0.64 Storm rel vorticity (0-3000m) horiz: 8.5 stream: -5.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 3.55 Bulk Shear: 88.11 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 ------------------------------------------------------------------------------- 500 355 22 108 8| 0.0 22.5 22.5| 0.0 -43.9 -43.9 -87.8 -0.80| 24.4-19.5 1000 342 29 17 3| 0.0 13.0 13.0| 0.3 -65.0 -64.7 -64.7 -0.78| 18.2-14.1 1500 338 30 341 4| 1.4 8.7 10.1| 1.3 -65.0 -63.7 -42.4 -0.68| 13.5 -9.2 2000 336 30 323 4| 1.0 7.9 9.0| 1.6 -70.0 -68.4 -34.2 -0.64| 11.8 -7.6 2500 333 31 311 6| 0.8 6.5 7.3| 2.8 -70.0 -67.2 -26.9 -0.62| 9.6 -6.0 3000 331 32 304 6| 0.7 5.5 6.2| 2.8 -77.0 -74.2 -24.7 -0.64| 8.5 -5.4 4000 327 33 290 8| 0.5 4.9 5.4| 2.8-109.0-106.2 -26.6 -0.62| 8.0 -5.0 5000 317 34 272 13| 0.4 4.8 5.2| 2.8-193.0-190.2 -38.0 -0.61| 8.3 -5.1 6000 308 35 261 18| 0.4 4.0 4.4| 70.8-261.0-190.2 -31.7 -0.51| 8.3 -4.2 Wrote GIF file: /home/apache/climate/data/raob//SBLO/skewt/SBLO.skewt.20251209.12.gif