UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101411.upa.cvt Date: 1100Z 14 OCT 25 Searching for YBBN... Searching the city database file for: YBBN ... Date:1100Z 14 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 1019 5 21.6 17.2 76 4.4 18.7 55 7 293.2 295.3 291.1 327.9 12.20 1 1000 170 20.6 16.2 76 4.4 17.7 30 10 293.8 295.8 290.9 327.0 11.66 2 925 838 14.6 13.8 95 0.8 14.1 20 6 294.2 296.2 290.3 325.1 10.78 3 898 1089 13.6 13.0 96 0.6 13.2 301 4 295.7 297.6 290.6 326.1 10.54 4 877 1290 15.4 12.5 83 2.9 13.6 254 5 299.6 301.5 291.7 330.2 10.44 5 851 1545 13.6 12.1 91 1.5 12.7 225 14 300.3 302.2 292.0 331.1 10.48 6 850 1555 13.6 12.0 90 1.6 12.6 220 13 300.4 302.3 292.0 331.0 10.42 7 834 1715 14.4 9.4 72 5.0 11.3 223 15 302.9 304.5 291.5 329.4 8.91 8 778 2298 10.4 1.4 54 9.0 5.6 238 24 304.7 305.7 289.1 321.2 5.45 9 770 2384 9.6 3.6 66 6.0 6.3 242 26 304.7 305.9 290.0 324.2 6.45 10 764 2449 9.4 1.4 57 8.0 5.1 244 27 305.2 306.2 289.4 322.1 5.55 11 743 2681 11.2 -24.8 6 36.0 -0.3 214 18 309.6 309.7 286.0 311.9 0.69 12 742 2693 11.4 -22.6 7 34.0 -0.0 212 17 309.9 310.1 286.3 312.7 0.84 13 700 3176 7.4 -25.6 7 33.0 -2.7 210 16 310.7 310.8 286.4 313.0 0.68 14 689 3306 6.2 -24.8 9 31.0 -3.3 215 19 310.8 310.9 286.5 313.3 0.74 15 604 4371 0.6 -40.4 3 41.0 -8.1 229 20 316.2 316.2 287.7 316.9 0.19 16 506 5759 -11.1 -45.1 4 34.0 -16.3 241 27 318.4 318.4 288.4 318.9 0.14 17 500 5850 -11.5 -47.5 3 36.0 -16.7 240 28 319.0 319.0 288.5 319.4 0.10 18 443 6769 -17.1 -51.1 3 34.0 -21.1 240 30 323.2 323.2 289.8 323.5 0.08 19 438 6855 -17.1 -55.1 2 38.0 -21.2 241 30 324.2 324.2 290.1 324.4 0.05 20 400 7530 -21.9 -58.9 2 37.0 -25.1 250 31 326.5 326.5 290.7 326.7 0.03 21 300 9580 -37.7 -66.7 3 29.0 -38.8 270 48 332.2 332.2 292.3 332.3 0.02 22 273 10222 -43.1 -69.1 4 26.0 -43.8 270 57 333.5 333.5 292.7 333.5 0.01 23 266 10396 -44.1 -60.1 15 16.0 -44.7 270 60 334.5 334.5 293.0 334.7 0.04 24 250 10810 -45.7 -64.7 10 19.0 -46.3 265 73 338.1 338.1 293.9 338.2 0.03 25 205 12103 -54.6 -71.8 10 17.2 -54.9 255 90 343.9 343.9 295.3 343.9 0.01 26 200 12260 -55.7 -72.7 10 17.0 -55.9 255 87 344.6 344.6 295.4 344.6 0.01 27 150 14060 -64.1 -80.1 9 16.0 -64.2 270 76 359.7 359.7 298.7 359.7 0.00 28 128 15021 -68.5 -83.5 10 15.0 -68.6 266 78 368.4 368.4 300.3 368.4 0.00 29 100 16500 -68.7 -86.7 6 18.0 -68.8 265 41 395.0 395.0 304.5 395.0 0.00 30 97 16684 -65.7 -86.7 4 21.0 -65.8 265 42 404.3 404.3 305.7 404.3 0.00 31 77 18065 -71.9 -88.9 6 17.0 -72.0 245 26 419.0 419.0 307.6 419.0 0.00 32 70 18630 -69.3 -89.3 4 20.0 -69.4 290 16 436.1 436.1 309.5 436.1 0.00 33 58 19768 -62.3 -89.3 2 27.0 -62.7 198 18 476.0 476.0 313.1 476.0 0.00 34 50 20680 -63.5 -89.5 2 26.0 -63.8 125 19 493.8 493.8 314.5 493.9 0.00 35 48 20930 -64.5 -89.5 2 25.0 -64.8 497.3 497.3 314.8 497.3 0.00 36 32 23457 -56.3 -87.3 1 31.0 -57.6 580.3 580.3 319.7 580.4 0.01 TRP 77 18065 -71.9 -88.9 6 17.0 -72.0 245 26 419.0 419.0 307.6 419.0 0.00 WND 205 12103 -54.6 -71.8 10 17.2 -54.9 255 90 343.9 343.9 295.3 343.9 0.01 Sounding variables and indices 1000-500 mb thick: 5680.00 m Freezing level: 598.97 mb = 4442.09 m = 14573.61 ft Wetbulb zero: 744.28 mb = 2666.95 m = 8749.72 ft Precipitable water: 1.06 inches Sfc-500 mean rel hum: 36.01 % Est. max temperature: 28.27 C = 82.89 F Sfc-Lift cond lev (LCL): 955.19 mb = 562.85 m = 1846.59 ft T: 17.07 C 700-500 lapse rate: 7.07 C/km ThetaE index: 12.29 C Layer 764.0- 742.0 mb Conv cond level (CCL): 922.47 mb = 861.22 m = 2825.49 ft Mean mixing ratio: 11.32 g/kg Conv temperature: 22.81 C = 73.06 F Cap Strength: 5.93 C Lifted Index: 1.55 C Risk: Showers probable Lifted Index @300 mb: 5.00 C Lifted Index @700 mb: 4.45 C Showalter Index: -0.74 C Risk: Thunderstorms probable Total Totals Index: 48.60 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.10 C Cross Totals Index: 23.50 C K Index: 4.10 Risk: None Sweat Index: 198.00 Risk: None Energy Index: -2.19 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 2.56 J/kg Max Up Vert Vel: 2.26 m/s Conv Inhibition (B-): 22427.18 J/kg Cap Strength: 5.81 C Lift Cond Lev (LCL): 928.79 mb = 802.93 m = 2634.26 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 265 at 14 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 1019 5 55 7 -5.7 -4.0 | 75 20 -19.3 -5.2 1 1000 170 30 10 -5.0 -8.7 | 62 21 -18.6 -9.8 2 984 305 50 11 -8.4 -7.1 | 69 23 -22.0 -8.2 3 950 610 35 15 -8.6 -12.3 | 59 26 -22.2 -13.5 4 925 838 20 6 -2.1 -5.6 | 66 17 -15.6 -6.8 5 917 914 355 8 0.7 -8.0 | 55 16 -12.9 -9.1 6 884 1219 260 1 1.0 0.2 | 85 13 -12.6 -1.0 7 853 1524 235 17 13.9 9.8 | 182 9 0.4 8.6 8 850 1555 220 13 8.4 10.0 | 149 10 -5.2 8.8 9 793 2134 230 21 16.1 13.5 | 192 13 2.5 12.3 10 765 2438 245 27 24.5 11.4 | 227 15 10.9 10.2 11 737 2743 205 15 6.3 13.6 | 150 14 -7.2 12.4 12 711 3048 200 13 4.4 12.2 | 140 14 -9.1 11.0 13 700 3176 210 16 8.0 13.9 | 156 14 -5.6 12.7 14 659 3658 230 26 19.9 16.7 | 202 17 6.4 15.5 15 610 4267 225 20 14.1 14.1 | 183 13 0.6 13.0 16 587 4572 240 19 16.5 9.5 | 199 9 2.9 8.3 17 565 4877 240 18 15.6 9.0 | 195 8 2.0 7.8 18 544 5182 250 24 22.6 8.2 | 232 11 9.0 7.0 19 500 5850 240 28 24.2 14.0 | 220 17 10.7 12.8 20 465 6401 235 29 23.8 16.6 | 213 19 10.2 15.5 21 400 7530 250 31 29.1 10.6 | 239 18 15.6 9.4 22 363 8230 265 35 34.9 3.1 | 265 21 21.3 1.9 23 347 8534 270 32 32.0 -0.0 | 274 18 18.4 -1.2 24 333 8839 275 39 38.9 -3.4 | 280 26 25.3 -4.6 25 300 9580 270 48 48.0 -0.0 | 272 34 34.4 -1.2 26 267 10363 270 59 59.0 -0.0 | 271 45 45.4 -1.2 27 250 10810 265 73 72.7 6.4 | 265 59 59.2 5.2 28 205 12103 255 90 86.9 23.3 | 253 77 73.4 22.1 29 202 12192 255 90 86.9 23.3 | 253 77 73.4 22.1 30 200 12260 255 87 84.0 22.5 | 253 74 70.5 21.3 31 150 14060 270 76 76.0 -0.0 | 271 62 62.4 -1.2 32 144 14326 270 76 76.0 -0.0 | 271 62 62.4 -1.2 33 123 15240 265 78 77.7 6.8 | 265 64 64.2 5.6 34 117 15545 250 63 59.2 21.5 | 246 50 45.6 20.4 35 100 16500 265 41 40.8 3.6 | 265 27 27.3 2.4 36 96 16764 265 42 41.8 3.7 | 265 28 28.3 2.5 37 77 18065 245 26 23.6 11.0 | 226 14 10.0 9.8 38 70 18630 290 16 15.0 -5.5 | 347 7 1.5 -6.6 39 50 20680 125 19 -15.6 10.9 | 108 31 -29.1 9.7 Wind Parameters Mean winds (0-6000m): 235.1 at 18.1 knts Storm direction: 265.1 at 13.6 knts Shear (0-3000m) pos: 1.0 neg: 2.8 tot: 3.9 10-3/s Storm rel Dir Shear (0-3000m): 66.9 deg Storm rel helicity (0-3000m) pos: 107.7 neg: -143.9 tot: -36.2 m^2/s^2 ave: -12.1 10^-3 m/s^2 rel: 0.01 Storm rel vorticity (0-3000m) horiz: 15.4 stream: 0.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.02 Bulk Shear: 107.83 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 42 11 67 23| 0.0 7.3 7.3| 13.1 -40.6 -27.5 -55.0 -0.44| 10.9 -4.8 1000 34 10 63 22| 0.0 4.6 4.6| 26.1 -62.3 -36.2 -36.2 -0.22| 14.3 -3.1 1500 24 9 61 20| 0.0 7.9 7.9| 59.6 -62.3 -2.6 -1.8 0.21| 16.9 3.5 2000 305 11 33 9| 0.0 6.7 6.7| 75.9 -71.1 4.8 2.4 0.20| 15.4 3.1 2500 249 13 163 4| 1.2 5.4 6.6|107.7 -84.9 22.9 9.1 0.24| 15.1 3.6 3000 237 14 163 7| 1.0 2.8 3.9|107.7-143.9 -36.2 -12.1 0.01| 15.4 0.2 4000 230 16 170 9| 2.3 2.1 4.5|167.2-153.8 13.4 3.4 0.13| 13.9 1.8 5000 231 17 176 9| 2.1 1.7 3.7|180.4-161.5 18.9 3.8 0.14| 12.3 1.7 6000 235 18 188 9| 2.1 1.7 3.9|189.6-174.7 14.9 2.5 0.13| 11.1 1.4 Wrote GIF file: /home/apache/climate/data/raob//YBBN/skewt/YBBN.skewt.20251014.11.gif