UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101712.upa.cvt Date: 1200Z 17 OCT 25 Searching for SBUL... Searching the city database file for: SBUL ... Date:1200Z 17 OCT 25 Station: SBUL WMO ident: 83525 Latitude: -18.89 Longitude: -48.23 Elevation: 943.00 ------------------------------------------------------------------------------- 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 93 1 925 790 SFC 909 943 26.6 15.6 51 11.0 19.1 70 14 308.0 310.4 295.6 345.4 12.35 3 883 1198 23.2 14.2 57 9.0 17.1 42 20 307.1 309.3 294.8 342.1 11.61 4 855 1480 22.2 12.2 53 10.0 15.6 11 26 308.9 310.9 294.5 340.8 10.50 5 850 1531 21.8 11.8 53 10.0 15.3 5 27 309.0 310.9 294.4 340.3 10.28 6 700 3179 9.0 7.6 91 1.4 8.1 250 1 312.5 314.2 294.7 341.5 9.40 7 691 3286 8.2 6.9 91 1.3 7.4 202 1 312.7 314.4 294.5 340.8 9.08 8 599 4456 1.8 -0.9 82 2.7 0.4 188 4 318.4 319.5 293.7 337.5 5.99 9 581 4702 0.8 -3.5 73 4.3 -1.4 192 7 320.0 321.0 293.4 336.4 5.09 10 577 4758 0.8 -11.2 40 12.0 -4.3 193 8 320.6 321.2 291.7 330.0 2.82 11 547 5187 -1.1 -18.1 26 17.0 -7.2 180 14 323.3 323.6 291.5 329.1 1.68 12 515 5666 -3.9 -9.9 63 6.0 -6.5 203 11 325.5 326.2 293.6 337.2 3.50 13 503 5853 -4.7 -19.7 30 15.0 -9.9 201 9 326.7 327.1 292.3 332.3 1.59 14 500 5900 -4.9 -21.9 25 17.0 -10.4 200 9 327.1 327.3 292.2 331.7 1.32 15 488 6090 -6.1 -24.1 23 18.0 -11.6 195 8 327.9 328.1 292.2 331.8 1.12 16 485 6138 -6.3 -23.3 25 17.0 -11.6 197 8 328.2 328.4 292.4 332.5 1.21 17 400 7610 -17.5 -20.0 81 2.5 -18.3 235 22 332.2 332.6 294.1 339.1 1.95 18 381 7972 -20.5 -21.9 89 1.4 -20.9 221 19 332.9 333.3 294.1 339.1 1.74 19 362 8350 -22.7 -27.2 67 4.5 -23.8 234 20 334.9 335.1 294.1 339.1 1.14 20 350 8596 -24.9 -26.4 87 1.5 -25.2 244 19 335.2 335.4 294.3 339.8 1.26 21 323 9175 -28.9 -32.8 69 3.9 -29.6 234 16 337.4 337.6 294.4 340.3 0.75 22 308 9514 -31.1 -42.1 33 11.0 -32.4 219 15 339.0 339.0 294.4 340.2 0.31 23 300 9700 -32.9 -42.9 36 10.0 -34.0 230 14 339.0 339.1 294.4 340.1 0.29 24 294 9842 -34.1 -40.1 55 6.0 -34.8 236 14 339.3 339.3 294.5 340.8 0.40 25 254 10853 -42.3 -52.3 33 10.0 -42.9 269 13 341.6 341.6 294.8 342.1 0.12 26 250 10960 -43.5 -51.5 41 8.0 -44.0 265 11 341.4 341.4 294.8 341.9 0.13 27 241 11205 -45.7 -50.7 57 5.0 -46.0 253 10 341.7 341.7 294.8 342.3 0.15 28 221 11775 -49.5 -65.5 14 16.0 -49.9 247 9 344.4 344.4 295.4 344.5 0.03 29 200 12420 -54.1 -69.1 14 15.0 -54.4 270 15 347.1 347.1 296.0 347.2 0.02 30 164 13667 -62.5 -78.5 10 16.0 -62.6 233 27 353.3 353.3 297.3 353.3 0.01 31 150 14210 -67.5 -78.5 19 11.0 -67.5 215 40 353.8 353.8 297.4 353.8 0.01 32 141 14580 -70.1 -81.1 18 11.0 -70.1 202 38 355.6 355.6 297.8 355.6 0.00 33 103 16394 -81.9 -84.7 62 2.8 -81.9 264 21 366.4 366.4 299.9 366.4 0.00 34 101 16504 -81.3 -84.6 57 3.3 -81.3 259 24 369.6 369.6 300.5 369.6 0.00 35 100 16560 -81.3 -84.8 55 3.5 -81.3 250 27 370.6 370.6 300.7 370.7 0.00 36 92 17030 -79.9 -85.9 36 6.0 -79.9 271 26 382.4 382.4 302.6 382.4 0.00 37 81 17767 -71.1 -89.1 5 18.0 -71.2 266 20 414.6 414.6 307.1 414.6 0.00 38 80 17841 -70.3 -87.3 7 17.0 -70.4 273 19 417.7 417.7 307.4 417.7 0.00 39 80 17841 -70.5 -87.5 6 17.0 -70.6 273 19 417.3 417.3 307.4 417.3 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5807.00 m Freezing level: 564.37 mb = 4938.41 m = 16201.94 ft Wetbulb zero: 595.20 mb = 4507.29 m = 14787.51 ft Precipitable water: 1.39 inches Sfc-500 mean rel hum: 66.39 % Est. max temperature: 29.55 C = 85.19 F Sfc-Lift cond lev (LCL): 773.98 mb = 2326.23 m = 7631.89 ft T: 15.62 C 700-500 lapse rate: 5.11 C/km ThetaE index: 5.14 C Layer 883.0- 700.0 mb Conv cond level (CCL): 709.89 mb = 3059.94 m = 10039.06 ft Mean mixing ratio: 10.88 g/kg Conv temperature: 30.66 C = 87.20 F Cap Strength: 2.58 C Lifted Index: 1.23 C Risk: Showers probable Lifted Index @300 mb: 0.24 C Lifted Index @700 mb: 0.84 C Showalter Index: 1.76 C Risk: Showers probable Total Totals Index: 43.40 C Risk: None Vertical Totals Index: 26.70 C Cross Totals Index: 16.70 C K Index: 37.10 Risk: > 80 % chance of thunderstorms Sweat Index: 204.60 Risk: None Energy Index: -1.59 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 47.72 J/kg Max Up Vert Vel: 9.77 m/s Conv Inhibition (B-): 173.35 J/kg Cap Strength: 2.58 C Lift Cond Lev (LCL): 746.97 mb = 2627.74 m = 8621.09 ft Lev Free Conv (LFC): 421.97 mb = 7201.56 m = 23626.89 ft Equ Level (EL): 311.97 mb = 9422.76 m = 30914.20 ft B at Equ Level: 44.87 J/kg Max Parcel Lev (MPL): 231.97 mb = 11455.89 m = 37584.48 ft Wind level data Storm motion: 15 at 8 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 ---------------------------------------------------------- 0 909 943 70 14 -13.2 -4.8 | 104 11 -11.2 2.7 1 850 1531 5 27 -2.4 -26.9 | 1 19 -0.4 -19.4 2 821 1829 5 28 -2.4 -27.9 | 1 20 -0.5 -20.4 3 792 2134 20 17 -5.8 -16.0 | 24 9 -3.8 -8.5 4 764 2438 10 12 -2.1 -11.8 | 1 4 -0.1 -4.3 5 700 3179 250 1 0.9 0.3 | 200 8 2.9 7.9 6 685 3353 170 1 -0.2 1.0 | 192 9 1.8 8.5 7 612 4267 185 1 0.1 1.0 | 194 9 2.1 8.5 8 567 4877 195 10 2.6 9.7 | 195 18 4.6 17.2 9 546 5182 180 14 0.0 14.0 | 185 22 2.0 21.5 10 526 5486 205 13 5.5 11.8 | 201 21 7.5 19.3 11 500 5900 200 9 3.1 8.5 | 198 17 5.1 16.0 12 487 6096 195 8 2.1 7.7 | 195 16 4.1 15.2 13 450 6706 220 10 6.4 7.7 | 209 17 8.4 15.2 14 433 7010 260 14 13.8 2.4 | 238 19 15.8 9.9 15 400 7610 235 22 18.0 12.6 | 225 28 20.0 20.1 16 399 7620 230 23 17.6 14.8 | 221 30 19.6 22.3 17 383 7925 220 19 12.2 14.6 | 213 26 14.2 22.1 18 367 8230 230 21 16.1 13.5 | 221 28 18.1 21.0 19 338 8839 255 18 17.4 4.7 | 238 23 19.4 12.2 20 311 9449 215 15 8.6 12.3 | 208 22 10.6 19.8 21 300 9700 230 14 10.7 9.0 | 218 21 12.7 16.5 22 285 10058 245 14 12.7 5.9 | 228 20 14.7 13.4 23 261 10668 275 16 15.9 -1.4 | 251 19 17.9 6.1 24 250 10960 265 11 11.0 1.0 | 237 15 12.9 8.5 25 227 11582 235 8 6.6 4.6 | 215 15 8.5 12.1 26 217 11887 255 10 9.7 2.6 | 229 15 11.6 10.1 27 200 12420 270 15 15.0 -0.0 | 246 19 17.0 7.5 28 188 12802 275 14 13.9 -1.2 | 248 17 15.9 6.3 29 155 14021 215 32 18.4 26.2 | 211 39 20.3 33.7 30 150 14210 215 40 22.9 32.8 | 212 47 24.9 40.3 31 147 14326 210 40 20.0 34.6 | 208 48 22.0 42.2 32 140 14630 200 37 12.7 34.8 | 199 45 14.6 42.3 33 113 15850 215 16 9.2 13.1 | 208 23 11.2 20.6 34 107 16154 260 17 16.7 3.0 | 241 21 18.7 10.5 35 102 16459 265 22 21.9 1.9 | 248 26 23.9 9.4 36 100 16560 250 27 25.4 9.2 | 239 32 27.4 16.7 37 96 16764 250 27 25.4 9.2 | 239 32 27.4 16.7 38 91 17069 275 26 25.9 -2.3 | 259 28 27.9 5.2 39 82 17678 260 21 20.7 3.6 | 244 25 22.7 11.2 40 78 17983 290 16 15.0 -5.5 | 263 17 17.0 2.0 Wind Parameters Mean winds (0-6000m): 344.8 at 10.4 knts Storm direction: 14.8 at 7.8 knts Shear (0-3000m) pos: 0.0 neg: 2.4 tot: 2.5 10-3/s Storm rel Dir Shear (0-3000m): 89.4 deg Storm rel helicity (0-3000m) pos: 22.8 neg: -132.0 tot: -109.2 m^2/s^2 ave: -36.4 10^-3 m/s^2 rel: -0.62 Storm rel vorticity (0-3000m) horiz: 11.1 stream: -6.9 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 1.75 Bulk Shear: 27.31 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 31 19 41 12| 0.0 21.2 21.2| 0.0 -75.2 -75.2 -150.4 -0.96| 22.6-21.7 1000 15 23 16 15| 0.0 10.6 10.6| 11.5 -96.1 -84.6 -84.6 -0.72| 16.5-11.8 1500 15 21 15 13| 0.0 4.5 4.5| 22.5-100.7 -78.2 -52.1 -0.49| 15.6 -7.7 2000 13 18 11 10| 0.0 4.6 4.6| 22.5-120.2 -97.7 -48.8 -0.60| 15.3 -9.1 2500 14 15 13 7| 0.0 2.9 2.9| 22.5-132.0-109.5 -43.8 -0.63| 13.3 -8.3 3000 14 12 13 4| 0.0 2.4 2.5| 22.8-132.0-109.2 -36.4 -0.62| 11.1 -6.9 4000 14 10 13 2| 1.3 1.8 3.1| 25.1-134.8-109.7 -27.4 -0.54| 9.6 -5.2 5000 14 11 12 3| 1.3 1.2 2.4| 54.1-152.2 -98.1 -19.6 -0.44| 9.0 -4.0 6000 345 10 298 5| 1.4 1.0 2.3|104.2-153.9 -49.7 -8.3 -0.28| 8.5 -2.4 Wrote GIF file: /home/apache/climate/data/raob//SBUL/skewt/SBUL.skewt.20251017.12.gif