UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101711.upa.cvt Date: 1100Z 17 OCT 25 Searching for YBBN... Searching the city database file for: YBBN ... Date:1100Z 17 OCT 25 Station: YBBN WMO ident: 94578 Latitude: -27.38 Longitude: 153.10 Elevation: 5.00 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- SFC 1016 5 21.8 17.2 75 4.6 18.7 345 11 293.6 295.8 291.3 328.5 12.24 1 1000 140 21.2 16.4 74 4.8 18.0 360 18 294.4 296.5 291.2 328.1 11.81 2 942 654 16.2 14.6 90 1.6 15.2 342 17 294.3 296.3 290.6 326.3 11.16 3 936 708 18.2 5.2 42 13.0 11.0 345 17 296.9 298.0 286.9 314.3 5.93 4 934 727 18.6 10.6 60 8.0 13.7 346 16 297.5 299.1 289.6 322.6 8.62 5 925 810 18.0 11.0 64 7.0 13.7 350 15 297.7 299.3 289.9 323.8 8.94 6 921 847 18.0 12.0 68 6.0 14.3 346 13 298.1 299.8 290.6 326.1 9.61 7 886 1179 18.4 9.4 56 9.0 12.9 314 3 301.8 303.4 290.7 326.7 8.38 8 850 1534 16.0 9.0 63 7.0 11.7 250 4 302.9 304.5 291.2 328.3 8.50 9 700 3152 4.0 2.0 87 2.0 2.9 210 15 306.9 308.1 290.6 326.2 6.33 10 683 3351 2.4 1.1 91 1.3 1.7 212 15 307.3 308.4 290.5 325.9 6.08 11 644 3825 0.2 -3.0 79 3.2 -1.4 207 16 310.0 310.9 290.2 324.9 4.76 12 635 3938 0.0 -6.0 64 6.0 -2.7 202 17 311.0 311.8 289.7 323.2 3.85 13 631 3989 0.2 -9.8 47 10.0 -4.0 199 18 311.8 312.4 289.0 321.1 2.88 14 618 4155 -0.7 -11.7 43 11.0 -5.1 191 20 312.7 313.1 289.0 320.8 2.52 15 574 4742 -4.9 -12.9 53 8.0 -7.9 208 26 314.4 314.9 289.5 322.5 2.47 16 561 4921 -6.1 -9.9 74 3.8 -7.7 217 27 315.1 315.7 290.4 325.4 3.21 17 550 5077 -6.3 -14.3 53 8.0 -9.2 226 26 316.6 317.1 290.0 324.2 2.30 18 547 5119 -5.7 -28.7 14 23.0 -11.5 228 26 317.8 317.9 288.8 320.1 0.65 19 544 5163 -5.3 -33.3 9 28.0 -11.7 231 26 318.8 318.9 288.8 320.3 0.42 20 523 5471 -7.5 -24.5 24 17.0 -12.3 249 24 319.8 320.0 289.8 323.2 1.00 21 505 5743 -9.1 -41.1 5 32.0 -14.9 250 23 321.0 321.1 289.3 321.8 0.21 22 500 5820 -9.7 -40.7 6 31.0 -15.3 250 23 321.2 321.3 289.3 322.0 0.22 23 437 6839 -18.5 -43.5 9 25.0 -22.0 245 32 322.7 322.7 289.8 323.4 0.19 24 434 6890 -18.9 -30.9 34 12.0 -21.3 245 32 322.8 322.9 290.3 325.2 0.67 25 420 7133 -20.7 -35.7 25 15.0 -23.2 245 30 323.5 323.6 290.3 325.1 0.43 26 400 7490 -24.3 -36.3 32 12.0 -26.1 245 28 323.4 323.5 290.3 325.0 0.43 27 393 7619 -25.5 -35.5 39 10.0 -27.0 245 28 323.5 323.6 290.3 325.2 0.47 28 391 7656 -25.7 -33.7 47 8.0 -27.0 245 28 323.7 323.8 290.5 325.7 0.57 29 386 7750 -26.1 -30.4 67 4.3 -26.9 245 27 324.4 324.5 290.9 327.2 0.79 30 369 8076 -27.7 -33.7 57 6.0 -28.6 243 30 326.4 326.6 291.3 328.6 0.60 31 336 8743 -33.9 -35.4 86 1.5 -34.1 235 46 326.8 326.9 291.4 328.9 0.56 32 300 9530 -39.7 -42.5 75 2.8 -39.9 230 51 329.4 329.5 291.9 330.6 0.30 33 294 9667 -40.7 -44.4 67 3.7 -41.0 230 52 329.9 330.0 291.9 330.9 0.25 34 264 10385 -47.3 -48.7 85 1.4 -47.4 230 56 330.6 330.6 292.0 331.2 0.17 35 260 10485 -48.3 -52.3 63 4.0 -48.5 230 56 330.5 330.6 292.0 331.0 0.12 36 255 10611 -49.5 -51.4 80 1.9 -49.6 230 57 330.6 330.6 292.0 331.1 0.13 37 253 10663 -50.1 -56.1 49 6.0 -50.3 230 58 330.5 330.5 291.9 330.8 0.08 38 250 10740 -50.7 -54.7 62 4.0 -50.8 230 58 330.7 330.7 292.0 331.1 0.09 39 241 10979 -52.9 -55.9 70 3.0 -53.0 230 59 330.9 330.9 292.0 331.2 0.08 40 226 11393 -54.7 -59.1 58 4.4 -54.8 233 60 334.3 334.3 292.9 334.5 0.06 41 203 12076 -58.7 -63.7 52 5.0 -58.8 243 51 338.4 338.4 294.0 338.5 0.04 42 200 12170 -58.5 -65.5 40 7.0 -58.6 245 49 340.1 340.1 294.4 340.2 0.03 43 193 12394 -58.7 -62.7 60 4.0 -58.7 246 51 343.3 343.3 295.1 343.5 0.04 44 189 12526 -54.7 -75.7 6 21.0 -55.0 247 56 351.8 351.8 297.0 351.8 0.01 45 173 13088 -58.2 -78.4 6 20.2 -58.4 250 73 355.0 355.0 297.7 355.0 0.00 46 170 13198 -58.9 -78.9 6 20.0 -59.1 250 73 355.6 355.6 297.8 355.7 0.00 47 161 13542 -55.5 -78.5 4 23.0 -55.8 241 60 366.9 367.0 300.0 367.0 0.01 48 150 13990 -57.9 -81.9 3 24.0 -58.2 240 28 370.3 370.3 300.6 370.3 0.00 49 124 15162 -65.9 -84.9 5 19.0 -66.0 259 41 376.5 376.5 301.7 376.5 0.00 50 117 15514 -64.5 -84.5 5 20.0 -64.6 238 46 385.4 385.4 303.1 385.4 0.00 51 101 16401 -68.7 -86.7 6 18.0 -68.8 259 32 393.9 393.9 304.3 393.9 0.00 52 100 16460 -68.3 -86.3 6 18.0 -68.4 260 36 395.8 395.8 304.6 395.8 0.00 53 82 17657 -67.1 -88.1 4 21.0 -67.2 255 22 421.3 421.3 307.9 421.3 0.00 54 79 17884 -63.7 -87.7 2 24.0 -63.9 253 19 432.9 432.9 309.1 432.9 0.00 55 72 18450 -67.3 -88.3 4 21.0 -67.5 250 10 436.9 436.9 309.6 436.9 0.00 56 70 18620 -67.1 -89.1 3 22.0 -67.2 215 16 440.8 440.8 310.0 440.8 0.00 57 50 20670 -63.1 -89.1 2 26.0 -63.5 30 5 494.8 494.8 314.6 494.8 0.00 58 46 21185 -62.5 -88.5 2 26.0 -63.0 41 8 508.2 508.2 315.5 508.2 0.00 59 39 22216 -57.7 -87.7 1 30.0 -58.6 62 13 544.9 544.9 317.8 544.9 0.00 60 30 23880 -56.1 -87.1 1 31.0 -57.5 95 21 591.7 591.7 320.2 591.7 0.01 61 26 24792 -55.1 -86.1 1 31.0 -56.9 619.3 619.3 321.5 619.3 0.01 62 24 25302 -55.7 -86.7 1 31.0 -57.5 631.9 631.9 322.0 631.9 0.01 TRP 72 18450 -67.3 -88.3 4 21.0 -67.5 250 10 436.9 436.9 309.6 436.9 0.00 WND 173 13088 -58.2 -78.4 6 20.2 -58.4 250 73 355.0 355.0 297.7 355.0 0.00 Sounding variables and indices 1000-500 mb thick: 5680.00 m Freezing level: 628.11 mb = 4025.78 m = 13207.77 ft Wetbulb zero: 661.21 mb = 3612.72 m = 11852.62 ft Precipitable water: 1.38 inches Sfc-500 mean rel hum: 62.30 % Est. max temperature: 30.65 C = 87.16 F Sfc-Lift cond lev (LCL): 949.59 mb = 584.81 m = 1918.65 ft T: 16.87 C 700-500 lapse rate: 5.13 C/km ThetaE index: 14.16 C Layer 1000.0- 934.0 mb Conv cond level (CCL): 790.23 mb = 2141.57 m = 7026.06 ft Mean mixing ratio: 10.85 g/kg Conv temperature: 32.71 C = 90.88 F Cap Strength: 5.67 C Lifted Index: 3.35 C Risk: None Lifted Index @300 mb: 3.00 C Lifted Index @700 mb: 1.05 C Showalter Index: 2.38 C Risk: Showers probable Total Totals Index: 44.40 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.70 C Cross Totals Index: 18.70 C K Index: 32.70 Risk: 60-80 % chance of thunderstorms Sweat Index: 139.00 Risk: None Energy Index: -1.14 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 17.77 J/kg Max Up Vert Vel: 5.96 m/s Conv Inhibition (B-): 33840.62 J/kg Cap Strength: 5.61 C Lift Cond Lev (LCL): 904.28 mb = 1004.26 m = 3294.79 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 260 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 1016 5 345 11 2.8 -10.6 | 37 16 -9.6 -12.9 1 1000 140 360 18 -0.0 -18.0 | 31 24 -12.4 -20.3 2 981 305 355 20 1.7 -19.9 | 26 25 -10.7 -22.2 3 947 610 340 18 6.2 -16.9 | 18 20 -6.3 -19.2 4 925 810 350 15 2.6 -14.8 | 30 20 -9.8 -17.1 5 914 914 340 10 3.4 -9.4 | 38 15 -9.0 -11.7 6 882 1219 310 2 1.5 -1.3 | 72 11 -10.9 -3.6 7 850 1534 250 4 3.8 1.4 | 84 9 -8.7 -0.9 8 820 1829 230 10 7.7 6.4 | 131 6 -4.8 4.1 9 791 2134 220 13 8.4 10.0 | 152 9 -4.1 7.7 10 763 2438 210 17 8.5 14.7 | 162 13 -3.9 12.4 11 700 3152 210 15 7.5 13.0 | 155 12 -4.9 10.7 12 657 3658 215 14 8.0 11.5 | 154 10 -4.4 9.2 13 608 4267 185 21 1.8 20.9 | 150 21 -10.6 18.6 14 563 4877 215 27 15.5 22.1 | 189 20 3.1 19.8 15 521 5486 250 24 22.6 8.2 | 240 12 10.1 5.9 16 500 5820 250 23 21.6 7.9 | 239 11 9.2 5.6 17 444 6706 245 33 29.9 13.9 | 236 21 17.5 11.6 18 400 7490 245 28 25.4 11.8 | 234 16 12.9 9.5 19 376 7925 245 27 24.5 11.4 | 233 15 12.0 9.1 20 317 9144 230 56 42.9 36.0 | 222 45 30.5 33.7 21 300 9530 230 51 39.1 32.8 | 221 40 26.6 30.5 22 250 10740 230 58 44.4 37.3 | 222 47 32.0 35.0 23 241 10973 230 59 45.2 37.9 | 223 48 32.8 35.6 24 219 11582 235 61 50.0 35.0 | 229 50 37.5 32.7 25 200 12170 245 49 44.4 20.7 | 240 37 32.0 18.4 26 199 12192 245 45 40.8 19.0 | 239 33 28.4 16.7 27 173 13088 250 73 68.6 25.0 | 248 61 56.2 22.7 28 164 13411 250 73 68.6 25.0 | 248 61 56.2 22.7 29 157 13716 230 43 32.9 27.6 | 219 33 20.5 25.3 30 150 13990 240 28 24.2 14.0 | 225 17 11.8 11.7 31 149 14021 235 32 26.2 18.4 | 221 21 13.8 16.1 32 135 14630 255 25 24.1 6.5 | 250 12 11.7 4.2 33 122 15240 260 44 43.3 7.6 | 260 31 30.9 5.3 34 116 15545 235 46 37.7 26.4 | 226 35 25.3 24.1 35 111 15850 225 39 27.6 27.6 | 211 29 15.1 25.3 36 105 16154 235 29 23.8 16.6 | 218 18 11.3 14.3 37 100 16459 265 33 32.9 2.9 | 268 20 20.4 0.6 38 100 16460 260 36 35.5 6.3 | 260 23 23.0 4.0 39 95 16764 260 36 35.5 6.3 | 260 23 23.0 4.0 40 72 18450 250 10 9.4 3.4 | 110 3 -3.0 1.1 41 70 18620 215 16 9.2 13.1 | 163 11 -3.3 10.8 42 50 20670 30 5 -2.5 -4.3 | 66 16 -14.9 -6.6 43 30 23880 95 21 -20.9 1.8 | 89 33 -33.4 -0.5 Wind Parameters Mean winds (0-6000m): 229.5 at 16.9 knts Storm direction: 259.5 at 12.6 knts Shear (0-3000m) pos: 1.3 neg: 5.4 tot: 6.7 10-3/s Storm rel Dir Shear (0-3000m): 120.3 deg Storm rel helicity (0-3000m) pos: 78.1 neg: -44.6 tot: 33.5 m^2/s^2 ave: 11.2 10^-3 m/s^2 rel: 0.32 Storm rel vorticity (0-3000m) horiz: 9.1 stream: 2.9 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.14 Bulk Shear: 124.81 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 ------------------------------------------------------------------------------- 500 354 18 27 23| 7.9 0.0 7.9| 0.0 -36.1 -36.1 -72.3 -0.45| 14.0 -6.3 1000 349 16 27 21| 4.0 5.9 9.8| 37.3 -41.0 -3.6 -3.6 0.03| 14.2 0.5 1500 346 12 34 17| 2.6 6.5 9.2| 57.9 -41.0 16.9 11.3 0.22| 12.5 2.7 2000 332 11 31 14| 2.0 6.9 8.8| 71.4 -41.0 30.4 15.2 0.34| 11.6 4.0 2500 305 12 17 9| 1.6 6.8 8.3| 78.1 -41.0 37.1 14.8 0.35| 10.6 3.8 3000 274 13 359 3| 1.3 5.4 6.7| 78.1 -44.6 33.5 11.2 0.32| 9.1 2.9 4000 241 13 168 4| 1.2 4.7 5.9| 79.1 -47.2 31.9 8.0 0.28| 7.8 2.2 5000 223 15 167 9| 1.8 4.3 6.1|165.8 -52.5 113.4 22.7 0.39| 8.5 3.3 6000 230 17 183 9| 2.5 3.7 6.2|206.6 -53.1 153.5 25.6 0.43| 8.4 3.6 Wrote GIF file: /home/apache/climate/data/raob//YBBN/skewt/YBBN.skewt.20251017.11.gif