UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041811.upa.cvt Date: 1100Z 18 APR 25 Searching for YBBN... Searching the city database file for: YBBN ... Date:1100Z 18 APR 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 1013 5 19.4 17.2 87 2.2 17.9 80 3 291.5 293.6 290.6 326.2 12.27 1 1010 31 22.2 17.4 74 4.8 19.0 86 3 294.5 296.7 291.7 330.2 12.47 2 1006 67 22.2 17.2 73 5.0 18.8 93 4 294.8 297.1 291.8 330.3 12.36 3 1000 120 21.8 16.9 74 4.9 18.5 105 5 295.0 297.1 291.7 329.9 12.20 4 925 792 16.2 13.0 81 3.2 14.2 40 5 295.9 297.7 290.4 325.4 10.22 5 895 1072 14.2 12.4 89 1.8 13.1 316 8 296.6 298.4 290.6 326.0 10.16 6 878 1235 15.4 10.4 72 5.0 12.3 280 9 299.5 301.1 290.6 326.1 9.05 7 850 1509 13.6 9.4 76 4.2 11.0 220 11 300.4 302.0 290.6 326.2 8.74 8 825 1759 11.8 6.8 71 5.0 8.9 194 16 301.1 302.4 289.8 323.4 7.53 9 795 2069 10.8 -12.2 19 23.0 1.6 158 17 303.2 303.6 285.0 309.2 1.88 10 765 2388 8.8 -10.2 25 19.0 0.9 158 15 304.4 304.8 285.9 311.6 2.30 11 720 2889 8.4 -17.6 14 26.0 -1.0 210 12 309.3 309.5 286.6 313.7 1.33 12 719 2901 8.4 -18.6 13 27.0 -1.2 210 12 309.4 309.6 286.5 313.5 1.22 13 716 2935 8.6 -23.4 8 32.0 -1.7 207 11 310.0 310.2 286.3 312.7 0.81 14 700 3122 8.4 -24.6 8 33.0 -2.0 195 11 311.8 311.9 286.9 314.3 0.74 15 660 3606 6.8 -24.2 9 31.0 -3.1 228 12 315.3 315.4 288.1 318.1 0.82 16 561 4917 -2.7 -26.7 14 24.0 -9.4 230 21 319.1 319.2 289.3 321.8 0.77 17 500 5820 -8.1 -40.1 6 32.0 -14.2 230 25 323.2 323.2 290.0 324.0 0.23 18 476 6200 -10.3 -45.3 4 35.0 -16.0 225 20 325.0 325.0 290.5 325.6 0.14 19 400 7510 -20.7 -47.7 7 27.0 -24.0 245 36 328.1 328.1 291.3 328.6 0.13 20 366 8161 -25.7 -45.7 14 20.0 -28.0 245 44 329.9 329.9 291.9 330.5 0.17 21 355 8383 -24.5 -53.5 5 29.0 -27.3 244 52 334.4 334.4 293.0 334.7 0.07 22 311 9342 -27.7 -56.7 5 29.0 -30.2 240 88 342.8 342.8 295.0 343.0 0.06 23 300 9600 -29.9 -53.9 8 24.0 -32.0 240 86 343.2 343.3 295.2 343.6 0.08 24 255 10735 -39.1 -45.1 53 6.0 -39.6 249 93 346.0 346.0 296.0 347.1 0.27 25 250 10870 -39.7 -51.7 27 12.0 -40.5 250 94 347.0 347.1 296.1 347.6 0.13 26 247 10952 -39.9 -55.9 17 16.0 -40.8 249 94 347.9 348.0 296.3 348.3 0.08 27 238 11204 -41.7 -66.7 5 25.0 -42.6 248 94 348.9 348.9 296.4 349.0 0.02 28 232 11376 -43.1 -55.1 26 12.0 -43.7 247 94 349.4 349.4 296.6 349.8 0.09 29 229 11464 -43.3 -73.3 2 30.0 -44.2 246 94 350.4 350.4 296.7 350.4 0.01 30 219 11762 -44.9 -62.9 12 18.0 -45.6 244 94 352.4 352.4 297.2 352.6 0.04 31 205 12199 -48.9 -62.9 18 14.0 -49.3 241 94 352.8 352.8 297.3 353.0 0.04 32 200 12360 -50.5 -63.5 20 13.0 -50.9 240 94 352.8 352.8 297.3 353.0 0.04 33 194 12558 -51.7 -67.8 13 16.1 -52.0 240 98 354.0 354.0 297.5 354.1 0.02 34 185 12865 -53.5 -74.5 6 21.0 -53.8 241 97 355.9 355.9 297.9 355.9 0.01 35 150 14180 -64.7 -78.7 13 14.0 -64.8 255 83 358.6 358.6 298.4 358.6 0.01 36 132 14947 -71.9 -79.9 29 8.0 -71.9 257 84 359.1 359.1 298.5 359.2 0.01 37 126 15221 -72.9 -83.9 17 11.0 -72.9 258 84 362.1 362.1 299.1 362.1 0.00 38 109 16063 -76.7 -84.7 27 8.0 -76.7 250 75 370.3 370.3 300.6 370.3 0.00 39 100 16560 -75.7 -85.7 19 10.0 -75.7 245 51 381.5 381.5 302.5 381.5 0.00 40 89 17228 -77.7 -87.7 18 10.0 -77.7 251 44 390.4 390.4 303.9 390.4 0.00 41 84 17562 -73.3 -88.3 8 15.0 -73.3 256 40 405.8 405.8 306.0 405.9 0.00 42 76 18143 -75.7 -88.7 11 13.0 -75.7 264 32 412.6 412.6 306.8 412.6 0.00 43 70 18620 -73.1 -90.1 6 17.0 -73.2 270 25 428.0 428.0 308.6 428.0 0.00 44 63 19243 -70.7 -89.7 4 19.0 -70.8 240 20 446.4 446.4 310.5 446.4 0.00 45 60 19536 -66.9 -89.9 3 23.0 -67.1 226 18 461.2 461.2 311.9 461.2 0.00 46 55 20062 -68.1 -89.1 3 21.0 -68.3 202 14 470.0 470.0 312.7 470.0 0.00 47 50 20640 -65.1 -89.1 2 24.0 -65.4 175 10 490.1 490.1 314.2 490.1 0.00 48 47 21020 -63.9 -88.9 2 25.0 -64.3 162 10 501.7 501.7 315.1 501.7 0.00 49 42 21711 -64.9 -88.9 2 24.0 -65.3 139 10 515.6 515.6 316.0 515.6 0.00 50 30 23810 -57.1 -86.1 1 29.0 -58.3 70 9 589.0 589.0 320.1 589.0 0.01 51 24 25242 -51.1 -82.1 1 31.0 -53.8 89 8 645.2 645.2 322.5 645.4 0.02 52 23 25519 -51.3 -83.3 1 32.0 -54.1 93 8 652.5 652.5 322.8 652.7 0.02 53 23 25519 -48.3 -81.3 1 33.0 -51.9 93 8 661.4 661.4 323.1 661.5 0.02 54 21 26113 -51.7 -82.7 1 31.0 -54.6 101 8 668.5 668.5 323.4 668.7 0.02 55 20 26430 -51.3 -83.3 1 32.0 -54.4 105 8 679.1 679.2 323.7 679.3 0.02 56 17 27497 -46.7 -80.7 1 34.0 -51.7 726.2 726.2 325.3 726.5 0.03 TRP 109 16063 -76.7 -84.7 27 8.0 -76.7 250 75 370.3 370.3 300.6 370.3 0.00 WND 194 12558 -51.7 -67.8 13 16.1 -52.0 240 98 354.0 354.0 297.5 354.1 0.02 Sounding variables and indices 1000-500 mb thick: 5700.00 m Freezing level: 589.14 mb = 4544.30 m = 14908.95 ft Wetbulb zero: 743.73 mb = 2621.18 m = 8599.58 ft Precipitable water: 0.95 inches Sfc-500 mean rel hum: 33.02 % Est. max temperature: 27.93 C = 82.28 F Sfc-Lift cond lev (LCL): 980.90 mb = 286.26 m = 939.16 ft T: 20.41 C 700-500 lapse rate: 6.12 C/km ThetaE index: 17.01 C Layer 825.0- 765.0 mb Conv cond level (CCL): 841.02 mb = 1598.14 m = 5243.19 ft Mean mixing ratio: 11.23 g/kg Conv temperature: 28.59 C = 83.47 F Cap Strength: 5.90 C Lifted Index: 4.27 C Risk: None Lifted Index @300 mb: 11.92 C Lifted Index @700 mb: 4.92 C Showalter Index: 5.01 C Risk: None Total Totals Index: 39.20 C Risk: None Vertical Totals Index: 21.70 C Cross Totals Index: 17.50 C K Index: -1.90 Risk: None Sweat Index: 159.80 Risk: None Energy Index: -0.25 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 3.72 J/kg Max Up Vert Vel: 2.73 m/s Conv Inhibition (B-): 40922.27 J/kg Cap Strength: 5.88 C Lift Cond Lev (LCL): 907.74 mb = 951.93 m = 3123.10 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 243 at 11 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 1013 5 80 3 -3.0 -0.5 | 66 14 -12.9 -5.6 1 1000 120 105 5 -4.8 1.3 | 76 15 -14.7 -3.8 2 979 305 90 11 -11.0 0.0 | 76 22 -20.9 -5.1 3 945 610 105 10 -9.7 2.6 | 83 20 -19.6 -2.5 4 925 792 40 5 -3.2 -3.8 | 56 16 -13.1 -8.9 5 912 914 350 7 1.2 -6.9 | 36 15 -8.7 -12.0 6 850 1509 220 11 7.1 8.4 | 140 4 -2.8 3.3 7 848 1524 225 11 7.8 7.8 | 142 3 -2.1 2.7 8 818 1829 185 17 1.5 16.9 | 145 15 -8.4 11.8 9 788 2134 150 17 -8.5 14.7 | 118 21 -18.4 9.6 10 760 2438 160 15 -5.1 14.1 | 121 18 -15.0 9.0 11 733 2743 220 12 7.7 9.2 | 152 5 -2.2 4.1 12 700 3122 195 11 2.8 10.6 | 128 9 -7.1 5.5 13 680 3353 200 11 3.8 10.3 | 130 8 -6.1 5.2 14 655 3658 235 12 9.8 6.9 | 178 2 -0.1 1.8 15 607 4267 220 17 10.9 13.0 | 187 8 1.0 7.9 16 541 5182 235 23 18.8 13.2 | 228 12 8.9 8.1 17 500 5820 230 25 19.2 16.1 | 220 14 9.2 11.0 18 482 6096 230 20 15.3 12.9 | 215 9 5.4 7.8 19 463 6401 215 21 12.0 17.2 | 190 12 2.1 12.1 20 427 7010 225 21 14.8 14.8 | 207 11 4.9 9.7 21 410 7315 240 31 26.8 15.5 | 238 20 16.9 10.4 22 400 7510 245 36 32.6 15.2 | 246 25 22.7 10.1 23 362 8230 245 45 40.8 19.0 | 246 34 30.9 13.9 24 319 9144 240 89 77.1 44.5 | 240 78 67.2 39.4 25 300 9600 240 86 74.5 43.0 | 240 75 64.6 37.9 26 250 10870 250 94 88.3 32.1 | 251 83 78.4 27.0 27 200 12360 240 94 81.4 47.0 | 240 83 71.5 41.9 28 194 12558 240 98 84.9 49.0 | 240 87 75.0 43.9 29 187 12802 240 98 84.9 49.0 | 240 87 75.0 43.9 30 154 14021 255 82 79.2 21.2 | 257 71 69.3 16.1 31 150 14180 255 83 80.2 21.5 | 257 72 70.3 16.4 32 113 15850 260 85 83.7 14.8 | 263 74 73.8 9.7 33 109 16063 250 75 70.5 25.7 | 251 64 60.6 20.5 34 102 16459 250 75 70.5 25.7 | 251 64 60.6 20.5 35 100 16560 245 51 46.2 21.6 | 246 40 36.3 16.5 36 97 16764 245 51 46.2 21.6 | 246 40 36.3 16.5 37 70 18620 270 25 25.0 -0.0 | 289 16 15.1 -5.1 38 50 20640 175 10 -0.9 10.0 | 114 12 -10.8 4.9 39 30 23810 70 9 -8.5 -3.1 | 66 20 -18.4 -8.2 40 20 26430 105 8 -7.7 2.1 | 80 18 -17.6 -3.0 Wind Parameters Mean winds (0-6000m): 212.7 at 14.9 knts Storm direction: 242.7 at 11.1 knts Shear (0-3000m) pos: 0.7 neg: 2.7 tot: 3.4 10-3/s Storm rel Dir Shear (0-3000m): 67.5 deg Storm rel helicity (0-3000m) pos: 50.3 neg: -126.7 tot: -76.4 m^2/s^2 ave: -25.5 10^-3 m/s^2 rel: -0.14 Storm rel vorticity (0-3000m) horiz: 15.1 stream: -2.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.07 Bulk Shear: 53.07 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 95 8 76 19| 7.8 0.0 7.8| 20.1 -1.6 18.5 37.1 0.38| 11.0 4.2 1000 82 8 71 19| 3.9 8.4 12.3| 23.8 -72.4 -48.5 -48.5 -0.38| 15.1 -5.8 1500 93 8 76 19| 2.6 6.4 9.0| 25.5 -82.5 -57.0 -38.0 -0.19| 16.6 -3.1 2000 161 10 108 14| 2.0 4.0 6.0| 27.0-107.2 -80.2 -40.1 -0.22| 16.7 -3.7 2500 159 11 111 15| 0.9 3.2 4.2| 39.7-123.9 -84.2 -33.7 -0.20| 15.4 -3.0 3000 170 11 118 13| 0.7 2.7 3.4| 50.3-126.7 -76.4 -25.5 -0.14| 15.1 -2.1 4000 187 12 127 11| 1.1 2.0 3.2| 55.3-128.2 -72.9 -18.2 -0.09| 12.9 -1.2 5000 202 13 144 9| 1.3 2.0 3.3| 68.8-128.5 -59.7 -11.9 -0.03| 11.2 -0.4 6000 213 15 166 8| 1.2 1.5 2.8| 72.6-136.6 -64.1 -10.7 -0.04| 10.0 -0.4 Wrote GIF file: /home/apache/climate/data/raob//YBBN/skewt/YBBN.skewt.20250418.11.gif