UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101812.upa.cvt Date: 1200Z 18 OCT 25 Searching for SBUL... Searching the city database file for: SBUL ... Date:1200Z 18 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 98 1 925 792 SFC 909 943 21.6 18.2 81 3.4 19.2 160 7 302.9 305.6 295.8 346.2 14.62 3 892 1107 19.8 18.1 90 1.7 18.7 174 6 302.7 305.4 295.8 346.5 14.81 4 867 1353 21.8 13.8 60 8.0 16.4 195 5 307.2 309.4 294.8 342.0 11.52 5 850 1525 20.6 12.6 60 8.0 15.3 210 4 307.7 309.8 294.4 340.6 10.85 6 810 1941 18.8 7.8 49 11.0 12.0 310 12 310.1 311.6 293.2 335.3 8.22 7 731 2813 12.8 4.8 58 8.0 8.0 294 18 312.8 314.2 293.3 335.8 7.40 8 700 3176 10.2 4.2 66 6.0 6.7 300 22 313.8 315.2 293.6 336.9 7.41 9 604 4383 0.8 0.8 100 0.0 0.8 275 17 316.4 317.7 293.7 337.7 6.73 10 518 5603 -5.5 -5.8 98 0.3 -5.7 256 21 323.0 324.0 294.0 338.8 4.80 11 500 5880 -7.3 -10.9 75 3.6 -8.8 260 18 324.1 324.8 293.1 335.3 3.33 12 499 5896 -7.5 -11.3 74 3.8 -9.1 260 18 324.1 324.7 293.0 334.9 3.23 13 476 6263 -8.9 -8.9 100 0.0 -8.9 262 17 326.8 327.6 294.4 340.5 4.10 14 416 7294 -15.7 -15.7 100 0.0 -15.7 245 14 330.9 331.4 294.4 340.2 2.71 15 400 7590 -16.7 -17.7 92 1.0 -17.0 240 13 333.3 333.8 294.7 341.6 2.38 16 378 8012 -19.3 -24.3 65 5.0 -20.7 246 13 335.3 335.6 294.4 340.4 1.42 17 367 8231 -20.7 -23.0 82 2.3 -21.4 250 15 336.3 336.6 294.8 342.2 1.64 18 331 8986 -25.7 -33.7 47 8.0 -27.2 268 16 339.5 339.6 294.8 342.0 0.67 19 324 9140 -27.1 -30.4 73 3.3 -27.8 265 17 339.6 339.8 295.1 343.2 0.94 20 300 9690 -30.9 -37.9 50 7.0 -31.9 255 22 341.8 341.9 295.2 343.7 0.49 21 285 10053 -33.9 -40.9 49 7.0 -34.7 254 17 342.6 342.7 295.3 344.1 0.38 22 260 10692 -39.7 -44.7 59 5.0 -40.1 262 18 343.2 343.2 295.3 344.3 0.27 23 250 10960 -41.5 -50.5 37 9.0 -42.1 265 18 344.4 344.4 295.5 345.0 0.15 24 231 11490 -46.5 -58.5 24 12.0 -47.0 265 17 344.6 344.7 295.5 344.9 0.06 25 208 12177 -51.7 -68.7 11 17.0 -52.1 270 20 347.0 347.0 296.0 347.1 0.02 26 200 12430 -53.9 -66.9 19 13.0 -54.2 275 23 347.4 347.4 296.1 347.5 0.02 27 174 13307 -61.9 -69.9 34 8.0 -62.0 270 26 348.3 348.3 296.3 348.4 0.02 28 150 14210 -68.7 -74.7 42 6.0 -68.7 235 47 351.7 351.7 297.0 351.8 0.01 29 115 15767 -77.9 -82.3 49 4.4 -77.9 201 25 362.4 362.4 299.2 362.5 0.00 30 107 16177 -80.3 -84.9 46 4.6 -80.3 250 19 365.4 365.4 299.7 365.5 0.00 31 101 16504 -80.3 -85.1 44 4.8 -80.3 199 15 371.5 371.5 300.8 371.5 0.00 32 100 16560 -79.5 -84.5 43 5.0 -79.5 190 14 374.1 374.1 301.3 374.1 0.00 33 96 16793 -77.5 -83.5 37 6.0 -77.5 186 14 382.4 382.4 302.6 382.4 0.00 34 86 17423 -78.5 -85.5 31 7.0 -78.5 329 14 392.6 392.6 304.2 392.6 0.00 35 75 18220 -70.1 -85.1 9 15.0 -70.2 252 5 425.9 425.9 308.4 425.9 0.00 36 71 18546 -71.3 -86.3 9 15.0 -71.4 258 8 430.1 430.1 308.9 430.1 0.00 37 70 18630 -69.9 -85.9 8 16.0 -70.0 260 9 434.8 434.8 309.3 434.9 0.00 38 51 20539 -62.7 -83.7 4 21.0 -63.1 148 13 492.9 492.9 314.4 493.0 0.01 39 50 20660 -63.3 -83.3 5 20.0 -63.7 140 13 494.3 494.3 314.5 494.4 0.01 40 39 22177 -66.1 -86.1 4 20.0 -66.4 104 11 523.6 523.6 316.5 523.7 0.01 41 36 22665 -63.7 -85.7 3 22.0 -64.2 100 14 542.0 542.0 317.6 542.0 0.01 TRP 107 16177 -80.3 -84.9 46 4.6 -80.3 250 19 365.4 365.4 299.7 365.5 0.00 WND Sounding variables and indices 1000-500 mb thick: 5782.00 m Freezing level: 593.08 mb = 4537.52 m = 14886.71 ft Wetbulb zero: 593.57 mb = 4520.91 m = 14832.21 ft Precipitable water: 1.48 inches Sfc-500 mean rel hum: 77.40 % Est. max temperature: 30.25 C = 86.45 F Sfc-Lift cond lev (LCL): 864.79 mb = 1375.24 m = 4511.88 ft T: 21.65 C 700-500 lapse rate: 6.47 C/km ThetaE index: 11.18 C Layer 867.0- 731.0 mb Conv cond level (CCL): 705.69 mb = 3108.19 m = 10197.34 ft Mean mixing ratio: 11.53 g/kg Conv temperature: 32.00 C = 89.60 F Cap Strength: 4.17 C Lifted Index: -1.11 C Risk: Thunderstorms probable Lifted Index @300 mb: 2.30 C Lifted Index @700 mb: 2.09 C Showalter Index: -0.76 C Risk: Thunderstorms probable Total Totals Index: 47.80 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 27.90 C Cross Totals Index: 19.90 C K Index: 34.50 Risk: 60-80 % chance of thunderstorms Sweat Index: 177.20 Risk: None Energy Index: -1.05 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 142.02 J/kg Max Up Vert Vel: 16.85 m/s Conv Inhibition (B-): 196.90 J/kg Cap Strength: 4.17 C Lift Cond Lev (LCL): 776.28 mb = 2302.05 m = 7552.56 ft Lev Free Conv (LFC): 631.28 mb = 4021.15 m = 13192.60 ft Equ Level (EL): 401.28 mb = 7565.85 m = 24822.06 ft B at Equ Level: 140.19 J/kg Max Parcel Lev (MPL): 291.28 mb = 9898.90 m = 32476.31 ft Wind level data Storm motion: 306 at 12 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 ---------------------------------------------------------- 0 909 943 160 7 -2.4 6.6 | 138 19 -12.4 13.9 1 850 1525 210 4 2.0 3.5 | 144 13 -8.0 10.8 2 820 1829 315 10 7.1 -7.1 | 95 3 -2.9 0.3 3 791 2134 300 15 13.0 -7.5 | 273 3 3.0 -0.2 4 763 2438 300 15 13.0 -7.5 | 273 3 3.0 -0.2 5 711 3048 290 20 18.8 -6.8 | 267 9 8.8 0.5 6 700 3176 300 22 19.1 -11.0 | 292 10 9.1 -3.7 7 659 3658 305 22 18.0 -12.6 | 303 10 8.1 -5.3 8 611 4267 280 17 16.7 -3.0 | 237 8 6.8 4.4 9 588 4572 265 18 17.9 1.6 | 222 12 8.0 8.9 10 525 5486 255 22 21.3 5.7 | 221 17 11.3 13.0 11 500 5880 260 18 17.7 3.1 | 217 13 7.8 10.5 12 486 6096 265 17 16.9 1.5 | 218 11 7.0 8.8 13 400 7590 240 13 11.3 6.5 | 185 14 1.3 13.8 14 382 7925 245 12 10.9 5.1 | 184 12 0.9 12.4 15 366 8230 250 15 14.1 5.1 | 198 13 4.1 12.5 16 351 8534 250 14 13.2 4.8 | 195 13 3.2 12.1 17 337 8839 270 15 15.0 -0.0 | 215 9 5.0 7.3 18 300 9690 255 22 21.3 5.7 | 221 17 11.3 13.0 19 297 9754 250 17 16.0 5.8 | 205 14 6.0 13.1 20 250 10960 265 18 17.9 1.6 | 222 12 8.0 8.9 21 217 11887 265 17 16.9 1.5 | 218 11 7.0 8.8 22 200 12430 275 23 22.9 -2.0 | 248 14 13.0 5.3 23 188 12802 275 23 22.9 -2.0 | 248 14 13.0 5.3 24 162 13716 265 28 27.9 2.4 | 241 20 17.9 9.8 25 150 14210 235 47 38.5 27.0 | 220 45 28.5 34.3 26 132 14935 225 49 34.6 34.6 | 210 49 24.7 42.0 27 107 16154 190 13 2.3 12.8 | 159 22 -7.7 20.1 28 107 16177 250 19 17.9 6.5 | 210 16 7.9 13.8 29 100 16560 190 14 2.4 13.8 | 160 22 -7.5 21.1 30 97 16764 190 14 2.4 13.8 | 160 22 -7.5 21.1 31 92 17069 150 12 -6.0 10.4 | 138 24 -16.0 17.7 32 87 17374 330 13 6.5 -11.3 | 41 5 -3.5 -3.9 33 82 17678 325 17 9.8 -13.9 | 2 7 -0.2 -6.6 34 78 17983 260 11 10.8 1.9 | 185 9 0.9 9.2 35 74 18288 250 3 2.8 1.0 | 139 11 -7.1 8.4 36 70 18630 260 9 8.9 1.6 | 173 9 -1.1 8.9 37 67 18898 260 11 10.8 1.9 | 185 9 0.9 9.2 38 64 19202 240 10 8.7 5.0 | 174 12 -1.3 12.3 39 50 20660 140 13 -8.4 10.0 | 133 25 -18.3 17.3 40 49 20726 140 13 -8.4 10.0 | 133 25 -18.3 17.3 41 46 21031 140 13 -8.4 10.0 | 133 25 -18.3 17.3 42 43 21336 80 13 -12.8 -2.3 | 103 23 -22.8 5.1 43 38 21946 110 11 -10.3 3.8 | 119 23 -20.3 11.1 44 33 22555 85 19 -18.9 -1.7 | 101 29 -28.9 5.7 45 31 22860 80 17 -16.7 -3.0 | 99 27 -26.7 4.4 Wind Parameters Mean winds (0-6000m): 276.4 at 16.5 knts Storm direction: 306.4 at 12.4 knts Shear (0-3000m) pos: 3.9 neg: 1.6 tot: 5.5 10-3/s Storm rel Dir Shear (0-3000m): 134.8 deg Storm rel helicity (0-3000m) pos: 31.3 neg: -15.7 tot: 15.6 m^2/s^2 ave: 5.2 10^-3 m/s^2 rel: -0.07 Storm rel vorticity (0-3000m) horiz: 7.4 stream: -0.5 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 3.11 Bulk Shear: 45.61 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 ------------------------------------------------------------------------------- 500 174 6 141 17| 5.0 0.0 5.0| 8.0 -0.0 7.9 15.9 0.35| 5.1 1.8 1000 236 7 158 12| 9.4 0.0 9.4| 16.8 -3.7 13.1 13.1 -0.02| 11.2 -0.2 1500 285 9 168 5| 6.3 1.3 7.6| 16.8 -4.0 12.8 8.5 -0.14| 9.1 -1.2 2000 290 11 189 4| 4.7 2.2 6.9| 16.8 -4.8 12.0 6.0 -0.13| 8.0 -1.1 2500 293 13 226 3| 4.6 1.8 6.4| 29.3 -5.2 24.1 9.6 0.02| 7.7 0.2 3000 295 15 253 3| 3.9 1.6 5.5| 31.3 -15.7 15.6 5.2 -0.07| 7.4 -0.5 4000 289 16 244 5| 2.9 2.3 5.2| 31.5 -33.2 -1.8 -0.4 -0.19| 7.0 -1.4 5000 280 17 235 8| 2.4 2.2 4.6| 31.5 -38.5 -7.0 -1.4 -0.19| 6.4 -1.2 6000 276 16 229 8| 2.0 1.8 3.8| 32.0 -51.8 -19.8 -3.3 -0.23| 5.8 -1.4 Wrote GIF file: /home/apache/climate/data/raob//SBUL/skewt/SBUL.skewt.20251018.12.gif