UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042812.upa.cvt Date: 1200Z 28 APR 25 Searching for SBUL... Searching the city database file for: SBUL ... Date:1200Z 28 APR 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 97 1 925 788 SFC 909 943 20.2 19.2 94 1.0 19.5 350 5 301.5 304.3 296.0 347.4 15.59 3 850 1518 19.2 14.6 75 4.6 16.1 250 13 306.3 308.6 295.1 343.5 12.39 4 809 1943 17.8 11.8 68 6.0 13.8 250 20 309.1 311.2 294.8 342.0 10.81 5 797 2071 17.0 10.0 63 7.0 12.6 250 20 309.6 311.4 294.1 339.3 9.72 6 700 3166 10.2 4.2 66 6.0 6.7 255 19 313.8 315.2 293.6 336.9 7.41 7 590 4564 0.4 0.0 97 0.4 0.2 273 18 318.1 319.4 294.0 338.8 6.50 8 527 5465 -2.9 -7.2 72 4.3 -4.9 285 23 324.6 325.4 294.0 338.6 4.23 9 513 5678 -4.1 -9.1 68 5.0 -6.4 285 24 325.6 326.4 293.9 338.2 3.75 10 500 5880 -5.5 -8.3 81 2.8 -6.8 285 26 326.3 327.1 294.3 340.0 4.09 11 466 6429 -9.3 -9.8 96 0.5 -9.5 288 28 328.2 329.0 294.7 341.4 3.90 12 413 7357 -12.5 -19.5 56 7.0 -14.9 279 29 335.7 336.1 295.0 342.7 1.98 13 409 7431 -13.1 -21.1 51 8.0 -15.7 278 28 335.8 336.2 294.8 342.0 1.74 14 400 7600 -14.7 -19.5 67 4.8 -16.3 275 28 335.9 336.3 295.1 343.1 2.04 15 395 7695 -15.3 -18.8 75 3.5 -16.5 274 28 336.3 336.8 295.3 344.1 2.19 16 362 8350 -19.7 -27.7 49 8.0 -21.7 271 29 338.9 339.1 295.0 342.9 1.08 17 353 8536 -21.3 -25.0 72 3.7 -22.3 272 30 339.2 339.5 295.4 344.4 1.42 18 336 8900 -23.1 -33.1 40 10.0 -25.1 275 31 341.6 341.7 295.3 344.3 0.70 19 327 9098 -24.5 -29.5 63 5.0 -25.6 277 32 342.3 342.5 295.8 346.1 1.02 20 300 9720 -29.9 -34.3 65 4.4 -30.6 265 26 343.2 343.4 295.7 345.9 0.70 21 284 10108 -33.3 -36.6 72 3.3 -33.8 261 26 343.8 343.9 295.7 346.1 0.59 22 278 10257 -34.5 -36.6 81 2.1 -34.8 266 25 344.2 344.3 295.8 346.5 0.60 23 250 10990 -40.3 -42.6 79 2.3 -40.5 275 33 346.2 346.2 296.1 347.6 0.36 24 234 11438 -43.9 -44.9 90 1.0 -44.0 277 33 347.3 347.4 296.3 348.5 0.30 25 216 11969 -48.7 -52.9 62 4.2 -48.9 279 32 347.9 347.9 296.3 348.5 0.13 26 200 12470 -53.3 -56.2 71 2.9 -53.4 270 32 348.4 348.4 296.4 348.8 0.09 27 176 13282 -60.7 -65.4 54 4.7 -60.8 259 33 349.2 349.2 296.5 349.3 0.03 28 152 14180 -68.1 -73.1 49 5.0 -68.1 255 30 351.4 351.4 297.0 351.5 0.01 29 150 14260 -68.3 -74.3 42 6.0 -68.4 255 30 352.4 352.4 297.2 352.5 0.01 30 146 14421 -68.9 -78.9 22 10.0 -68.9 255 30 354.1 354.1 297.5 354.1 0.01 31 142 14587 -68.3 -81.3 14 13.0 -68.4 255 30 358.0 358.0 298.3 358.0 0.00 32 139 14715 -68.1 -81.1 14 13.0 -68.2 259 30 360.5 360.5 298.8 360.6 0.00 33 101 16564 -81.9 -87.9 35 6.0 -81.9 270 33 368.4 368.4 300.3 368.4 0.00 34 100 16620 -82.3 -88.3 35 6.0 -82.3 265 33 368.7 368.7 300.4 368.7 0.00 35 99 16676 -82.5 -88.5 35 6.0 -82.5 250 34 369.4 369.4 300.5 369.4 0.00 36 95 16909 -79.3 -87.3 26 8.0 -79.3 255 34 380.0 380.0 302.2 380.1 0.00 37 85 17537 -82.5 -89.5 29 7.0 -82.5 217 34 385.9 385.9 303.2 385.9 0.00 38 81 17809 -78.9 -86.9 26 8.0 -78.9 217 28 398.6 398.6 305.0 398.6 0.00 39 77 18097 -80.7 -88.7 25 8.0 -80.7 231 20 400.7 400.7 305.3 400.7 0.00 40 70 18640 -77.1 -89.1 13 12.0 -77.1 265 18 419.4 419.4 307.6 419.4 0.00 41 64 19161 -71.7 -88.7 6 17.0 -71.8 263 18 442.2 442.2 310.1 442.2 0.00 42 50 20640 -65.3 -89.3 2 24.0 -65.6 340 3 489.6 489.6 314.2 489.6 0.00 43 44 21428 -62.3 -88.3 2 26.0 -62.8 71 9 515.2 515.2 316.0 515.2 0.00 44 41 21865 -63.5 -89.5 2 26.0 -64.0 61 11 522.7 522.7 316.5 522.7 0.00 45 34 23023 -62.1 -90.1 1 28.0 -62.7 58 11 555.1 555.1 318.3 555.1 0.00 46 31 23601 -58.5 -88.5 1 30.0 -59.6 55 17 579.7 579.7 319.6 579.7 0.00 47 30 23810 -54.1 -86.1 1 32.0 -55.8 85 16 597.2 597.2 320.5 597.2 0.01 48 28 24252 -54.3 -86.3 1 32.0 -56.1 90 17 608.5 608.5 321.0 608.6 0.01 49 23 25529 -48.9 -83.9 1 35.0 -52.4 49 17 659.6 659.6 323.0 659.7 0.02 TRP 99 16676 -82.5 -88.5 35 6.0 -82.5 250 34 369.4 369.4 300.5 369.4 0.00 WND Sounding variables and indices 1000-500 mb thick: 5783.00 m Freezing level: 582.36 mb = 4672.83 m = 15330.62 ft Wetbulb zero: 587.58 mb = 4596.35 m = 15079.71 ft Precipitable water: 1.56 inches Sfc-500 mean rel hum: 76.80 % Est. max temperature: 29.66 C = 85.39 F Sfc-Lift cond lev (LCL): 896.00 mb = 1066.41 m = 3498.69 ft T: 19.99 C 700-500 lapse rate: 5.78 C/km ThetaE index: 10.45 C Layer 850.0- 590.0 mb Conv cond level (CCL): 741.30 mb = 2682.08 m = 8799.37 ft Mean mixing ratio: 12.98 g/kg Conv temperature: 30.40 C = 86.72 F Cap Strength: 3.31 C Lifted Index: -0.48 C Risk: Thunderstorms probable Lifted Index @300 mb: 1.63 C Lifted Index @700 mb: 1.22 C Showalter Index: -0.13 C Risk: Thunderstorms probable Total Totals Index: 44.80 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.70 C Cross Totals Index: 20.10 C K Index: 33.30 Risk: 60-80 % chance of thunderstorms Sweat Index: 227.20 Risk: None Energy Index: -0.73 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 114.24 J/kg Max Up Vert Vel: 15.12 m/s Conv Inhibition (B-): 133.81 J/kg Cap Strength: 3.27 C Lift Cond Lev (LCL): 811.38 mb = 1917.41 m = 6290.63 ft Lev Free Conv (LFC): 646.38 mb = 3817.48 m = 12524.39 ft Equ Level (EL): 436.38 mb = 6933.36 m = 22746.98 ft B at Equ Level: 111.84 J/kg Max Parcel Lev (MPL): 326.38 mb = 9111.93 m = 29894.43 ft Wind level data Storm motion: 302 at 15 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 ---------------------------------------------------------- 0 909 943 350 5 0.9 -4.9 | 105 12 -12.0 3.2 1 880 1219 270 10 10.0 -0.0 | 160 9 -2.9 8.1 2 850 1518 250 13 12.2 4.4 | 177 13 -0.7 12.6 3 819 1829 250 20 18.8 6.8 | 202 16 5.9 15.0 4 791 2134 250 20 18.8 6.8 | 202 16 5.9 15.0 5 763 2438 260 21 20.7 3.6 | 214 14 7.8 11.8 6 700 3166 255 19 18.4 4.9 | 203 14 5.5 13.0 7 611 4267 270 17 17.0 -0.0 | 207 9 4.1 8.1 8 525 5486 285 23 22.2 -6.0 | 257 10 9.3 2.2 9 500 5880 285 26 25.1 -6.7 | 264 12 12.2 1.4 10 486 6096 285 26 25.1 -6.7 | 264 12 12.2 1.4 11 449 6706 290 30 28.2 -10.3 | 278 15 15.3 -2.1 12 400 7600 275 28 27.9 -2.4 | 249 16 15.0 5.7 13 367 8230 270 29 29.0 -0.0 | 243 18 16.1 8.1 14 311 9449 280 33 32.5 -5.7 | 263 20 19.6 2.4 15 300 9720 265 26 25.9 2.3 | 231 17 13.0 10.4 16 286 10058 260 26 25.6 4.5 | 225 18 12.7 12.6 17 274 10363 270 25 25.0 -0.0 | 236 15 12.1 8.1 18 250 10990 275 33 32.9 -2.9 | 255 21 20.0 5.2 19 209 12192 280 32 31.5 -5.6 | 262 19 18.6 2.6 20 200 12470 270 32 32.0 -0.0 | 247 21 19.1 8.1 21 181 13106 260 34 33.5 5.9 | 236 25 20.6 14.0 22 150 14260 255 30 29.0 7.8 | 225 23 16.1 15.9 23 141 14630 255 30 29.0 7.8 | 225 23 16.1 15.9 24 134 14935 270 29 29.0 -0.0 | 243 18 16.1 8.1 25 127 15240 265 28 27.9 2.4 | 235 18 15.0 10.6 26 114 15850 305 27 22.1 -15.5 | 309 12 9.2 -7.4 27 108 16154 305 29 23.8 -16.6 | 308 14 10.9 -8.5 28 100 16620 265 33 32.9 2.9 | 241 23 20.0 11.0 29 99 16676 250 34 31.9 11.6 | 224 27 19.1 19.7 30 97 16764 265 33 32.9 2.9 | 241 23 20.0 11.0 31 88 17374 225 36 25.5 25.5 | 201 36 12.6 33.6 32 83 17678 210 32 16.0 27.7 | 185 36 3.1 35.8 33 74 18288 240 15 13.0 7.5 | 180 16 0.1 15.6 34 71 18593 310 24 18.4 -15.4 | 323 9 5.5 -7.3 35 70 18640 265 18 17.9 1.6 | 208 11 5.0 9.7 36 67 18898 245 18 16.3 7.6 | 192 16 3.4 15.7 37 64 19202 265 18 17.9 1.6 | 208 11 5.0 9.7 38 60 19507 230 15 11.5 9.6 | 175 18 -1.4 17.8 39 57 19812 235 14 11.5 8.0 | 175 16 -1.4 16.1 40 55 20117 170 12 -2.1 11.8 | 143 25 -15.0 19.9 41 52 20422 140 10 -6.4 7.7 | 129 25 -19.3 15.8 42 50 20640 340 3 1.0 -2.8 | 114 13 -11.9 5.3 43 43 21641 95 11 -11.0 1.0 | 111 26 -23.8 9.1 44 41 21946 50 11 -8.4 -7.1 | 93 21 -21.3 1.0 45 37 22555 70 12 -11.3 -4.1 | 99 24 -24.2 4.0 46 33 23165 55 11 -9.0 -6.3 | 95 22 -21.9 1.8 47 32 23470 35 18 -10.3 -14.7 | 74 24 -23.2 -6.6 48 30 23810 85 16 -15.9 -1.4 | 103 30 -28.8 6.7 49 28 24079 90 17 -17.0 0.0 | 105 31 -29.9 8.1 50 26 24384 85 18 -17.9 -1.6 | 102 32 -30.8 6.5 51 22 24994 40 17 -10.9 -13.0 | 78 24 -23.8 -4.9 52 21 25298 30 20 -10.0 -17.3 | 68 25 -22.9 -9.2 53 19 25603 65 25 -22.7 -10.6 | 86 36 -35.5 -2.5 Wind Parameters Mean winds (0-6000m): 272.2 at 20.3 knts Storm direction: 302.2 at 15.2 knts Shear (0-3000m) pos: 1.1 neg: 3.5 tot: 4.6 10-3/s Storm rel Dir Shear (0-3000m): 101.3 deg Storm rel helicity (0-3000m) pos: 60.4 neg: -9.5 tot: 50.8 m^2/s^2 ave: 16.9 10^-3 m/s^2 rel: 0.54 Storm rel vorticity (0-3000m) horiz: 5.7 stream: 3.1 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 6.88 Bulk Shear: 16.61 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 ------------------------------------------------------------------------------- 500 275 9 153 8| 0.0 14.0 14.0| 22.1 0.0 22.1 44.1 0.67| 15.7 10.5 1000 258 13 179 11| 0.0 11.0 11.0| 45.7 0.0 45.7 45.7 0.71| 12.1 8.6 1500 256 15 190 12| 1.3 7.4 8.6| 58.2 0.0 58.2 38.8 0.73| 9.3 6.8 2000 257 17 195 12| 1.0 5.3 6.3| 58.2 -6.9 51.3 25.7 0.62| 7.5 4.6 2500 257 17 197 13| 0.9 4.3 5.1| 59.1 -9.5 49.5 19.8 0.56| 6.4 3.6 3000 258 17 199 12| 1.1 3.5 4.6| 60.4 -9.5 50.8 16.9 0.54| 5.7 3.1 4000 261 18 202 12| 1.4 2.7 4.1| 70.8 -9.5 61.2 15.3 0.57| 5.0 2.9 5000 267 19 213 11| 1.7 2.1 3.8| 83.1 -9.5 73.6 14.7 0.60| 4.7 2.8 6000 272 20 225 10| 1.6 1.9 3.5| 94.4 -16.9 77.6 12.9 0.55| 4.5 2.4 Wrote GIF file: /home/apache/climate/data/raob//SBUL/skewt/SBUL.skewt.20250428.12.gif