UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122023.upa.cvt Date: 2300Z 20 DEC 25 Searching for YSNF... Searching the city database file for: YSNF ... Date:2300Z 20 DEC 25 Station: YSNF WMO ident: 94996 Latitude: -29.03 Longitude: 167.93 Elevation: 109.00 ------------------------------------------------------------------------------- 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 1004 109 23.2 16.2 65 7.0 18.5 230 3 296.0 298.1 291.6 329.5 11.61 1 1002 128 21.4 14.4 64 7.0 16.9 265 3 294.4 296.2 290.0 324.0 10.34 2 1000 147 21.4 14.4 64 7.0 16.9 300 3 294.5 296.4 290.0 324.3 10.36 3 925 816 14.8 13.3 91 1.5 13.8 35 1 294.4 296.3 290.1 324.4 10.43 4 904 1010 13.0 13.0 100 0.0 13.0 121 2 294.5 296.4 290.1 324.5 10.47 5 883 1208 11.8 11.7 99 0.1 11.7 122 3 295.3 297.0 289.9 323.6 9.83 6 878 1256 11.6 10.3 92 1.3 10.8 123 3 295.5 297.2 289.2 321.5 8.99 7 876 1275 12.2 4.2 58 8.0 7.9 123 3 296.4 297.4 286.6 313.7 5.91 8 874 1294 16.0 3.0 42 13.0 8.9 123 3 300.5 301.5 287.7 316.8 5.43 9 850 1531 15.8 3.8 45 12.0 9.1 125 4 302.7 303.8 288.9 320.5 5.92 10 848 1551 15.8 2.8 42 13.0 8.7 125 4 302.9 303.9 288.6 319.6 5.52 11 794 2105 12.0 0.0 44 12.0 5.8 134 10 304.6 305.5 288.5 319.3 4.82 12 757 2503 9.8 -14.2 17 24.0 0.5 132 10 306.4 306.7 285.9 311.8 1.68 13 712 3009 6.6 -10.4 28 17.0 -0.5 140 12 308.3 308.7 287.4 316.0 2.43 14 700 3148 5.8 -3.2 52 9.0 1.4 145 13 308.9 309.7 289.5 322.4 4.31 15 697 3183 5.6 -3.4 52 9.0 1.2 147 13 309.1 309.9 289.5 322.4 4.27 16 686 3313 5.0 -14.0 24 19.0 -2.3 154 13 309.8 310.2 287.4 315.9 1.89 17 679 3396 4.4 -4.6 52 9.0 0.1 159 13 310.0 310.8 289.6 322.6 4.00 18 661 3614 2.6 -4.4 60 7.0 -0.7 172 14 310.4 311.2 289.8 323.5 4.17 19 631 3988 1.0 -10.0 44 11.0 -3.6 176 11 312.7 313.3 289.3 321.9 2.83 20 619 4142 0.4 -26.6 11 27.0 -7.2 194 14 313.8 313.9 287.5 316.2 0.70 21 612 4233 0.0 -12.0 40 12.0 -4.8 204 15 314.3 314.8 289.5 322.4 2.49 22 555 5007 -5.5 -7.9 83 2.4 -6.5 201 14 316.7 317.5 291.5 329.0 3.80 23 545 5149 -6.1 -11.1 68 5.0 -8.1 221 13 317.7 318.3 291.0 327.5 3.01 24 533 5323 -7.5 -8.6 92 1.1 -8.0 246 11 318.0 318.8 291.7 330.2 3.75 25 529 5382 -7.5 -11.8 71 4.3 -9.2 254 11 318.7 319.3 291.2 328.3 2.93 26 526 5426 -7.5 -9.7 84 2.2 -8.4 260 11 319.2 319.9 291.9 330.6 3.48 27 522 5485 -7.1 -9.7 82 2.6 -8.2 269 10 320.4 321.1 292.2 331.9 3.51 28 510 5666 -7.7 -12.3 70 4.6 -9.5 256 18 321.8 322.4 292.2 331.5 2.92 29 500 5820 -8.7 -12.7 73 4.0 -10.3 245 23 322.4 323.0 292.3 332.0 2.88 30 464 6398 -11.1 -21.1 43 10.0 -14.2 250 26 326.4 326.7 292.2 331.7 1.53 31 454 6565 -12.3 -24.3 36 12.0 -15.7 251 27 326.9 327.2 292.0 331.1 1.18 32 400 7520 -20.5 -25.5 64 5.0 -21.7 260 33 328.3 328.6 292.4 332.6 1.20 33 358 8331 -26.9 -27.7 93 0.8 -27.1 260 41 330.3 330.6 292.9 334.3 1.10 34 337 8764 -30.5 -35.0 65 4.5 -31.2 260 40 331.2 331.3 292.6 333.3 0.58 35 323 9064 -32.7 -35.0 80 2.3 -33.0 260 40 332.2 332.3 292.9 334.4 0.60 36 320 9130 -33.3 -41.3 45 8.0 -34.2 260 40 332.3 332.3 292.7 333.5 0.32 37 310 9352 -35.3 -38.9 70 3.6 -35.7 260 40 332.5 332.6 292.8 334.1 0.42 38 308 9397 -35.7 -41.7 54 6.0 -36.3 260 40 332.5 332.6 292.7 333.8 0.32 39 307 9420 -35.7 -46.7 31 11.0 -36.6 260 40 332.9 332.9 292.7 333.6 0.19 40 300 9580 -36.7 -54.7 14 18.0 -37.8 250 40 333.6 333.7 292.8 334.0 0.08 41 280 10054 -40.5 -65.5 5 25.0 -41.4 244 33 334.8 334.8 293.0 334.9 0.02 42 258 10608 -43.7 -56.7 22 13.0 -44.3 229 34 338.0 338.1 293.9 338.3 0.07 43 256 10661 -43.5 -71.5 3 28.0 -44.2 227 36 339.1 339.1 294.1 339.1 0.01 44 250 10820 -43.9 -67.9 5 24.0 -44.6 220 40 340.8 340.8 294.5 340.9 0.02 45 206 12091 -53.7 -68.7 14 15.0 -53.9 179 59 344.8 344.8 295.5 344.9 0.02 46 200 12280 -54.7 -73.7 8 19.0 -55.0 175 63 346.1 346.1 295.8 346.2 0.01 47 175 13122 -61.1 -75.1 14 14.0 -61.2 195 52 349.1 349.1 296.4 349.1 0.01 48 150 14070 -64.9 -80.9 9 16.0 -65.0 210 64 358.3 358.3 298.4 358.3 0.00 49 136 14665 -67.7 -82.7 10 15.0 -67.8 202 75 363.5 363.5 299.4 363.5 0.00 50 132 14844 -67.9 -83.1 10 15.3 -67.9 200 78 366.3 366.3 299.9 366.4 0.00 51 100 16510 -69.3 -87.3 6 18.0 -69.4 210 31 393.8 393.8 304.3 393.8 0.00 52 86 17400 -74.5 -89.5 8 15.0 -74.6 240 32 400.7 400.7 305.3 400.7 0.00 53 70 18610 -70.7 -89.7 4 19.0 -70.8 190 19 433.1 433.1 309.1 433.1 0.00 54 61 19431 -67.9 -89.9 3 22.0 -68.1 186 14 456.8 456.8 311.5 456.8 0.00 55 57 19838 -68.5 -89.5 3 21.0 -68.7 184 12 464.3 464.3 312.1 464.3 0.00 56 50 20630 -64.5 -89.5 2 25.0 -64.8 180 7 491.5 491.5 314.3 491.5 0.00 57 36 22673 -56.7 -86.7 1 30.0 -57.8 125 14 560.1 560.1 318.6 560.1 0.01 58 30 23830 -56.1 -86.1 1 30.0 -57.5 95 18 591.7 591.7 320.2 591.8 0.01 59 28 24269 -56.7 -86.7 1 30.0 -58.1 95 17 601.8 601.8 320.7 601.9 0.01 60 21 26112 -52.7 -84.7 1 32.0 -55.4 95 14 665.5 665.5 323.3 665.6 0.01 61 20 26430 -49.5 -83.5 1 34.0 -53.1 95 14 684.7 684.7 323.9 684.8 0.02 62 15 28315 -50.3 -84.3 1 34.0 -54.4 97 21 740.7 740.7 325.7 740.9 0.02 63 10 31010 -42.7 -81.7 1 39.0 -51.5 100 32 860.2 860.2 328.6 860.6 0.05 64 9.2 31575 -41.3 -81.3 1 40.0 -51.2 886.3 886.3 329.2 886.9 0.06 65 8.7 31958 -36.9 -78.9 0 42.0 -49.7 917.6 917.7 329.8 918.6 0.09 66 8.5 32118 -37.3 -79.3 0 42.0 -49.9 922.2 922.2 329.8 923.1 0.09 TRP 86 17400 -74.5 -89.5 8 15.0 -74.6 240 32 400.7 400.7 305.3 400.7 0.00 WND 132 14844 -67.9 -83.1 10 15.3 -67.9 200 78 366.3 366.3 299.9 366.4 0.00 Sounding variables and indices 1000-500 mb thick: 5673.00 m Freezing level: 612.00 mb = 4232.90 m = 13887.30 ft Wetbulb zero: 734.93 mb = 2747.07 m = 9012.58 ft Precipitable water: 1.15 inches Sfc-500 mean rel hum: 56.30 % Est. max temperature: 29.52 C = 85.14 F Sfc-Lift cond lev (LCL): 905.89 mb = 992.49 m = 3256.17 ft T: 13.16 C 700-500 lapse rate: 5.43 C/km ThetaE index: 10.85 C Layer 883.0- 874.0 mb Conv cond level (CCL): 902.36 mb = 1025.46 m = 3364.35 ft Mean mixing ratio: 10.42 g/kg Conv temperature: 21.78 C = 71.20 F Cap Strength: 5.41 C Lifted Index: 5.34 C Risk: None Lifted Index @300 mb: 7.23 C Lifted Index @700 mb: 3.61 C Showalter Index: 7.39 C Risk: None Total Totals Index: 37.00 C Risk: None Vertical Totals Index: 24.50 C Cross Totals Index: 12.50 C K Index: 19.30 Risk: < 20 % chance of thunderstorms Sweat Index: 76.60 Risk: None Energy Index: 2.31 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 0.92 J/kg Max Up Vert Vel: 1.36 m/s Conv Inhibition (B-): 0.44 J/kg Cap Strength: 5.35 C Lift Cond Lev (LCL): 903.65 mb = 1013.47 m = 3324.98 ft Lev Free Conv (LFC): 898.65 mb = 1060.13 m = 3478.08 ft Equ Level (EL): 878.65 mb = 1249.33 m = 4098.80 ft B at Equ Level: -6.00 J/kg Max Parcel Lev (MPL): 878.65 mb = 1249.33 m = 4098.80 ft Wind level data Storm motion: 215 at 8 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 1004 109 230 3 2.3 1.9 | 27 5 -2.4 -4.7 1 1000 147 300 3 2.6 -1.5 | 14 8 -2.1 -8.1 2 925 816 35 1 -0.6 -0.8 | 35 9 -5.2 -7.5 3 914 914 120 2 -1.7 1.0 | 49 9 -6.4 -5.6 4 850 1531 125 4 -3.3 2.3 | 61 9 -7.9 -4.3 5 820 1829 130 10 -7.7 6.4 | 89 12 -12.3 -0.2 6 791 2134 135 10 -7.1 7.1 | 92 12 -11.7 0.4 7 735 2743 130 10 -7.7 6.4 | 89 12 -12.3 -0.2 8 700 3148 145 13 -7.5 10.6 | 108 13 -12.1 4.0 9 656 3658 175 14 -1.2 13.9 | 141 9 -5.9 7.3 10 632 3962 175 11 -1.0 11.0 | 127 7 -5.6 4.3 11 608 4267 210 16 8.0 13.9 | 205 8 3.3 7.2 12 585 4572 190 17 3.0 16.7 | 170 10 -1.7 10.1 13 563 4877 185 15 1.3 14.9 | 158 9 -3.4 8.3 14 521 5486 270 10 10.0 -0.0 | 321 9 5.3 -6.6 15 502 5791 245 23 20.8 9.7 | 259 16 16.2 3.1 16 500 5820 245 23 20.8 9.7 | 259 16 16.2 3.1 17 400 7520 260 33 32.5 5.7 | 272 28 27.8 -0.9 18 378 7925 260 41 40.4 7.1 | 269 36 35.7 0.5 19 306 9449 260 40 39.4 6.9 | 270 35 34.7 0.3 20 300 9580 250 40 37.6 13.7 | 258 34 32.9 7.0 21 267 10363 240 28 24.2 14.0 | 249 21 19.6 7.4 22 250 10820 220 40 25.7 30.6 | 221 32 21.0 24.0 23 244 10973 225 40 28.3 28.3 | 227 32 23.6 21.6 24 223 11582 190 50 8.7 49.2 | 185 43 4.0 42.6 25 200 12280 175 63 -5.5 62.8 | 170 57 -10.2 56.1 26 193 12497 175 63 -5.5 62.8 | 170 57 -10.2 56.1 27 167 13411 205 47 19.9 42.6 | 203 39 15.2 36.0 28 150 14070 210 64 32.0 55.4 | 209 56 27.3 48.8 29 132 14844 200 78 26.7 73.3 | 198 70 22.0 66.7 30 130 14935 210 73 36.5 63.2 | 209 65 31.8 56.6 31 124 15240 200 78 26.7 73.3 | 198 70 22.0 66.7 32 117 15545 185 59 5.1 58.8 | 181 52 0.5 52.1 33 106 16154 190 41 7.1 40.4 | 184 34 2.4 33.7 34 101 16459 215 40 22.9 32.8 | 215 32 18.3 26.1 35 100 16510 210 31 15.5 26.8 | 208 23 10.8 20.2 36 96 16764 210 31 15.5 26.8 | 208 23 10.8 20.2 37 86 17400 240 32 27.7 16.0 | 248 25 23.0 9.4 38 70 18610 190 19 3.3 18.7 | 174 12 -1.4 12.1 39 50 20630 180 7 0.0 7.0 | 94 5 -4.7 0.4 40 30 23830 95 18 -17.9 1.6 | 77 23 -22.6 -5.1 41 20 26430 95 14 -13.9 1.2 | 74 19 -18.6 -5.4 42 10 31010 100 32 -31.5 5.6 | 88 36 -36.2 -1.1 Wind Parameters Mean winds (0-6000m): 185.1 at 10.8 knts Storm direction: 215.1 at 8.1 knts Shear (0-3000m) pos: 2.2 neg: 0.1 tot: 2.3 10-3/s Storm rel Dir Shear (0-3000m): 79.6 deg Storm rel helicity (0-3000m) pos: 45.3 neg: -4.0 tot: 41.4 m^2/s^2 ave: 13.8 10^-3 m/s^2 rel: 0.65 Storm rel vorticity (0-3000m) horiz: 3.9 stream: 2.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.04 Bulk Shear: 20.82 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 ------------------------------------------------------------------------------- 500 318 2 20 9| 4.4 0.0 4.4| 5.6 -2.2 3.4 6.9 0.16| 6.4 1.0 1000 334 2 24 9| 2.4 0.0 2.4| 13.9 -2.2 11.7 11.7 0.46| 5.1 2.3 1500 112 3 51 9| 2.4 0.0 2.4| 20.5 -2.2 18.3 12.2 0.56| 4.4 2.5 2000 127 4 63 9| 2.8 0.0 2.8| 32.9 -2.2 30.7 15.3 0.64| 4.6 3.0 2500 130 5 70 9| 2.2 0.1 2.3| 32.9 -3.6 29.2 11.7 0.59| 3.8 2.3 3000 132 6 76 10| 2.2 0.1 2.3| 45.3 -4.0 41.4 13.8 0.65| 3.9 2.5 4000 148 8 91 9| 1.5 0.1 1.6| 71.4 -6.7 64.7 16.2 0.66| 4.7 3.1 5000 165 10 110 8| 0.8 0.3 1.2| 90.8 -21.8 69.0 13.8 0.51| 5.8 3.0 6000 185 11 138 6| 1.1 1.0 2.2|107.7 -59.1 48.7 8.1 0.33| 7.1 2.3 Wrote GIF file: /home/apache/climate/data/raob//YSNF/skewt/YSNF.skewt.20251220.23.gif