UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120812.upa.cvt Date: 1200Z 8 DEC 25 Searching for SBUL... Searching the city database file for: SBUL ... Date:1200Z 8 DEC 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 114 1 925 799 SFC 910 943 19.6 19.4 99 0.2 19.5 90 9 300.8 303.6 296.0 347.1 15.77 3 850 1527 16.2 16.2 100 0.0 16.2 5 18 303.1 305.7 295.3 343.9 13.76 4 846 1567 16.0 16.0 100 0.0 16.0 5 18 303.3 305.8 295.2 343.8 13.65 5 840 1628 15.6 13.6 88 2.0 14.3 4 19 303.5 305.7 293.9 338.4 11.74 6 824 1792 16.0 12.3 79 3.7 13.6 3 21 305.6 307.7 294.0 338.5 10.97 7 809 1948 15.4 13.0 86 2.4 13.8 2 22 306.6 308.8 294.8 341.8 11.72 8 700 3162 8.0 8.0 100 0.0 8.0 355 16 311.3 313.2 294.6 341.1 9.67 9 698 3186 7.8 7.8 100 0.0 7.8 358 16 311.4 313.2 294.5 340.8 9.56 10 593 4515 0.2 0.2 100 0.0 0.2 354 17 317.4 318.7 293.9 338.3 6.56 11 510 5714 -5.3 -5.3 100 0.0 -5.3 354 17 324.7 325.7 294.7 341.4 5.06 12 500 5870 -6.1 -6.4 98 0.3 -6.2 350 15 325.6 326.5 294.6 341.3 4.74 13 414 7329 -13.5 -14.9 89 1.4 -14.0 270 10 334.1 334.7 295.3 344.3 2.91 14 400 7590 -15.1 -16.5 89 1.4 -15.6 275 6 335.4 335.9 295.4 344.6 2.63 15 367 8235 -19.5 -22.0 80 2.5 -20.3 255 4 337.9 338.2 295.3 344.3 1.79 16 300 9700 -30.5 -33.3 76 2.8 -31.0 250 12 342.4 342.6 295.6 345.3 0.77 17 287 10014 -32.5 -35.6 74 3.1 -33.0 240 12 343.9 344.0 295.8 346.4 0.64 18 250 10970 -41.1 -44.0 73 2.9 -41.3 225 13 345.0 345.0 295.8 346.2 0.31 19 237 11330 -44.5 -47.0 76 2.5 -44.7 225 12 345.1 345.2 295.8 346.1 0.23 20 200 12440 -54.3 -59.1 55 4.8 -54.4 225 28 346.8 346.8 296.0 347.1 0.07 21 178 13176 -60.9 -65.7 53 4.8 -61.0 214 42 347.7 347.7 296.1 347.9 0.03 22 150 14220 -68.7 -72.7 56 4.0 -68.7 215 55 351.7 351.7 297.0 351.8 0.01 23 143 14506 -70.7 -74.4 58 3.7 -70.7 215 60 353.1 353.1 297.3 353.1 0.01 24 134 14890 -73.3 -77.7 51 4.5 -73.3 215 67 355.1 355.1 297.7 355.1 0.01 25 130 15067 -74.5 -79.3 47 4.8 -74.5 210 65 356.0 356.0 297.9 356.1 0.01 26 100 16600 -73.9 -85.9 14 12.0 -73.9 245 12 384.9 384.9 303.1 385.0 0.00 27 83 17675 -78.1 -89.1 15 11.0 -78.1 62 1 397.5 397.5 304.9 397.5 0.00 28 71 18568 -77.5 -88.5 15 11.0 -77.6 157 14 416.9 416.9 307.3 416.9 0.00 29 70 18650 -75.3 -88.3 11 13.0 -75.3 125 20 423.3 423.3 308.1 423.3 0.00 30 57 19855 -69.7 -88.7 5 19.0 -69.8 64 13 461.6 461.6 311.9 461.6 0.00 31 52 20398 -71.9 -88.9 6 17.0 -72.0 96 18 468.8 468.8 312.5 468.8 0.00 32 50 20630 -69.5 -88.5 5 19.0 -69.6 80 22 479.7 479.7 313.4 479.7 0.00 33 40 21989 -61.5 -87.5 2 26.0 -62.1 68 24 531.4 531.4 317.0 531.4 0.00 34 32 23385 -58.3 -85.3 2 27.0 -59.3 76 23 575.0 575.0 319.4 575.0 0.01 35 30 23790 -59.7 -85.7 2 26.0 -60.6 85 26 581.9 581.9 319.8 581.9 0.01 36 24 25188 -58.9 -85.9 2 27.0 -60.2 88 33 622.6 622.6 321.6 622.6 0.01 TRP 130 15067 -74.5 -79.3 47 4.8 -74.5 210 65 356.0 356.0 297.9 356.1 0.01 WND 134 14890 -73.3 -77.7 51 4.5 -73.3 215 67 355.1 355.1 297.7 355.1 0.01 Sounding variables and indices 1000-500 mb thick: 5756.00 m Freezing level: 589.98 mb = 4558.36 m = 14955.07 ft Wetbulb zero: 590.05 mb = 4554.37 m = 14941.98 ft Precipitable water: 1.78 inches Sfc-500 mean rel hum: 96.99 % Est. max temperature: 27.29 C = 81.12 F Sfc-Lift cond lev (LCL): 907.62 mb = 965.46 m = 3167.48 ft T: 19.47 C 700-500 lapse rate: 5.21 C/km ThetaE index: 8.66 C Layer 850.0- 824.0 mb Conv cond level (CCL): 843.38 mb = 1593.67 m = 5228.52 ft Mean mixing ratio: 13.52 g/kg Conv temperature: 22.18 C = 71.93 F Cap Strength: 1.20 C Lifted Index: -0.61 C Risk: Thunderstorms probable Lifted Index @300 mb: 1.68 C Lifted Index @700 mb: -0.63 C Showalter Index: -0.85 C Risk: Thunderstorms probable Total Totals Index: 44.60 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 22.30 C Cross Totals Index: 22.30 C K Index: 38.50 Risk: > 80 % chance of thunderstorms Sweat Index: 245.40 Risk: None Energy Index: -0.63 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 156.11 J/kg Max Up Vert Vel: 17.67 m/s Conv Inhibition (B-): 24.86 J/kg Cap Strength: 1.17 C Lift Cond Lev (LCL): 847.06 mb = 1556.56 m = 5106.77 ft Lev Free Conv (LFC): 732.06 mb = 2786.34 m = 9141.42 ft Equ Level (EL): 452.06 mb = 6649.04 m = 21814.16 ft B at Equ Level: 155.34 J/kg Max Parcel Lev (MPL): 292.06 mb = 9890.07 m = 32447.34 ft Wind level data Storm motion: 29 at 13 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 ---------------------------------------------------------- 0 910 943 90 9 -9.0 0.0 | 166 12 -2.9 11.2 1 850 1527 5 18 -1.6 -17.9 | 326 8 4.5 -6.7 2 791 2134 360 24 -0.0 -24.0 | 334 14 6.1 -12.8 3 763 2438 355 22 1.9 -21.9 | 323 13 8.0 -10.7 4 736 2743 350 27 4.7 -26.6 | 325 19 10.8 -15.3 5 710 3048 345 17 4.4 -16.4 | 296 12 10.5 -5.2 6 700 3162 355 16 1.4 -15.9 | 302 9 7.5 -4.7 7 684 3353 20 13 -4.4 -12.2 | 300 2 1.7 -1.0 8 658 3658 25 17 -7.2 -15.4 | 14 4 -1.1 -4.2 9 634 3962 360 15 -0.0 -15.0 | 302 7 6.1 -3.8 10 610 4267 5 18 -1.6 -17.9 | 326 8 4.5 -6.7 11 588 4572 350 17 3.0 -16.7 | 301 11 9.1 -5.5 12 566 4877 355 21 1.8 -20.9 | 321 13 7.9 -9.7 13 524 5486 360 20 -0.0 -20.0 | 325 11 6.1 -8.8 14 500 5870 350 15 2.6 -14.8 | 292 9 8.7 -3.5 15 486 6096 350 11 1.9 -10.8 | 267 8 8.0 0.4 16 467 6401 345 10 2.6 -9.7 | 260 9 8.7 1.6 17 415 7315 270 10 10.0 -0.0 | 235 20 16.1 11.2 18 400 7590 275 6 6.0 -0.5 | 228 16 12.1 10.7 19 367 8230 255 4 3.9 1.0 | 219 16 10.0 12.3 20 337 8839 225 11 7.8 7.8 | 216 24 13.9 19.0 21 324 9144 235 10 8.2 5.7 | 220 22 14.3 17.0 22 310 9449 225 17 12.0 12.0 | 218 29 18.1 23.3 23 300 9700 250 12 11.3 4.1 | 229 23 17.4 15.4 24 298 9754 250 13 12.2 4.4 | 229 24 18.3 15.7 25 273 10363 225 11 7.8 7.8 | 216 24 13.9 19.0 26 250 10970 225 13 9.2 9.2 | 217 26 15.3 20.4 27 228 11582 225 12 8.5 8.5 | 216 25 14.6 19.7 28 200 12440 225 28 19.8 19.8 | 220 40 25.9 31.0 29 198 12497 225 29 20.5 20.5 | 220 41 26.6 31.8 30 163 13716 205 52 22.0 47.1 | 206 65 28.1 58.4 31 150 14220 215 55 31.5 45.1 | 214 68 37.7 56.3 32 134 14890 215 67 38.4 54.9 | 214 80 44.5 66.1 33 130 15067 210 65 32.5 56.3 | 210 78 38.6 67.5 34 126 15240 215 67 38.4 54.9 | 214 80 44.5 66.1 35 114 15850 185 38 3.3 37.9 | 191 50 9.4 49.1 36 108 16154 200 15 5.1 14.1 | 204 28 11.2 25.3 37 102 16459 250 7 6.6 2.4 | 223 19 12.7 13.6 38 100 16600 245 12 10.9 5.1 | 226 24 17.0 16.3 39 97 16764 250 12 11.3 4.1 | 229 23 17.4 15.4 40 92 17069 230 13 10.0 8.4 | 219 25 16.1 19.6 41 87 17374 160 10 -3.4 9.4 | 187 21 2.7 20.6 42 83 17678 60 1 -0.9 -0.5 | 206 12 5.2 10.7 43 71 18593 160 14 -4.8 13.2 | 183 24 1.3 24.4 44 70 18650 125 20 -16.4 11.5 | 156 25 -10.3 22.7 45 67 18898 125 20 -16.4 11.5 | 156 25 -10.3 22.7 46 64 19202 105 18 -17.4 4.7 | 145 19 -11.3 15.9 47 61 19507 125 14 -11.5 8.0 | 164 20 -5.4 19.3 48 57 19812 55 13 -10.6 -7.5 | 130 6 -4.5 3.8 49 55 20117 115 14 -12.7 5.9 | 159 18 -6.6 17.2 50 50 20630 80 22 -21.7 -3.8 | 116 17 -15.6 7.4 51 49 20726 80 21 -20.7 -3.6 | 118 16 -14.6 7.6 52 47 21031 80 16 -15.8 -2.8 | 131 13 -9.6 8.5 53 45 21336 105 16 -15.5 4.1 | 149 18 -9.3 15.4 54 40 21946 65 25 -22.7 -10.6 | 92 17 -16.5 0.7 55 38 22250 80 19 -18.7 -3.3 | 122 15 -12.6 7.9 56 37 22555 55 19 -15.6 -10.9 | 92 9 -9.5 0.3 57 35 22860 50 23 -17.6 -14.8 | 73 12 -11.5 -3.5 58 32 23470 80 23 -22.7 -4.0 | 114 18 -16.5 7.3 59 30 23790 85 26 -25.9 -2.3 | 114 22 -19.8 9.0 60 28 24079 100 23 -22.7 4.0 | 133 22 -16.5 15.2 61 26 24384 100 33 -32.5 5.7 | 123 31 -26.4 17.0 62 22 24994 75 32 -30.9 -8.3 | 97 25 -24.8 3.0 63 21 25298 100 29 -28.6 5.0 | 126 28 -22.4 16.3 64 19 25603 100 35 -34.5 6.1 | 121 33 -28.4 17.3 Wind Parameters Mean winds (0-6000m): 358.5 at 17.1 knts Storm direction: 28.5 at 12.8 knts Shear (0-3000m) pos: 2.0 neg: 4.9 tot: 7.0 10-3/s Storm rel Dir Shear (0-3000m): 138.6 deg Storm rel helicity (0-3000m) pos: 11.2 neg: -67.9 tot: -56.7 m^2/s^2 ave: -18.9 10^-3 m/s^2 rel: -0.39 Storm rel vorticity (0-3000m) horiz: 11.6 stream: -4.5 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 10.60 Bulk Shear: 14.73 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 37 13 122 2| 0.0 16.9 16.9| 0.0 -18.4 -18.4 -36.9 -0.77| 19.3-14.8 1000 15 16 336 5| 0.0 12.2 12.2| 3.1 -22.0 -18.9 -18.9 -0.57| 13.9 -7.9 1500 7 19 332 8| 0.0 8.4 8.4| 3.8 -31.6 -27.8 -18.5 -0.57| 10.8 -6.1 2000 2 20 328 10| 0.0 6.2 6.2| 5.7 -50.9 -45.2 -22.6 -0.50| 11.2 -5.6 2500 2 19 324 10| 2.5 5.0 7.4| 9.7 -59.9 -50.2 -20.1 -0.38| 11.9 -4.6 3000 4 19 327 9| 2.0 4.9 7.0| 11.2 -67.9 -56.7 -18.9 -0.39| 11.6 -4.5 4000 2 18 323 9| 1.5 4.4 6.0| 27.4 -76.0 -48.6 -12.1 -0.30| 10.1 -3.0 5000 1 18 321 9| 1.4 3.2 4.6| 29.6 -93.4 -63.8 -12.8 -0.34| 9.0 -3.0 6000 359 17 312 9| 1.2 2.7 3.9| 29.6-111.6 -81.9 -13.7 -0.36| 8.5 -3.1 Wrote GIF file: /home/apache/climate/data/raob//SBUL/skewt/SBUL.skewt.20251208.12.gif