UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042523.upa.cvt Date: 2300Z 25 APR 25 Searching for YSNF... Searching the city database file for: YSNF ... Date:2300Z 25 APR 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 1003 109 22.0 20.8 93 1.2 21.2 125 10 294.9 297.7 294.2 339.6 15.60 1 1000 137 21.0 19.9 93 1.1 20.2 130 8 294.1 296.8 293.4 336.4 14.78 2 963 463 18.6 18.6 100 0.0 18.6 102 14 294.9 297.5 293.2 335.4 14.14 3 925 809 17.4 16.9 97 0.5 17.1 90 15 297.1 299.5 293.2 335.3 13.21 4 866 1372 15.2 13.6 90 1.6 14.2 38 11 300.5 302.5 292.7 333.9 11.38 5 851 1520 14.6 11.4 81 3.2 12.6 35 10 301.3 303.2 291.9 330.9 10.00 6 850 1530 14.6 11.2 80 3.4 12.4 35 10 301.4 303.3 291.9 330.6 9.88 7 839 1640 14.6 5.6 55 9.0 9.5 31 10 302.6 303.8 289.6 323.0 6.81 8 826 1772 13.4 9.3 76 4.1 10.9 27 10 302.7 304.3 291.5 329.2 8.94 9 765 2415 9.4 6.8 84 2.6 7.9 356 5 305.0 306.6 291.6 329.5 8.13 10 728 2825 7.2 0.2 61 7.0 3.5 341 6 307.0 308.0 289.8 323.4 5.34 11 700 3147 4.8 3.0 88 1.8 3.8 330 6 307.8 309.1 291.3 328.6 6.80 12 668 3527 2.8 -3.2 65 6.0 -0.1 357 4 309.7 310.6 289.9 323.8 4.52 13 642 3848 0.4 -0.1 96 0.5 0.1 21 2 310.5 311.6 291.4 328.9 5.93 14 629 4012 0.2 -3.1 78 3.3 -1.4 30 2 312.1 313.0 290.9 327.3 4.84 15 622 4102 1.0 -8.0 51 9.0 -3.0 30 4 314.0 314.7 290.2 324.8 3.36 16 616 4180 0.6 -11.4 40 12.0 -4.3 30 6 314.4 314.9 289.6 322.9 2.59 17 560 4937 -4.9 -9.5 70 4.6 -6.8 12 10 316.6 317.3 291.0 327.4 3.32 18 536 5281 -6.7 -14.7 53 8.0 -9.6 351 14 318.5 318.9 290.6 326.1 2.28 19 513 5622 -9.7 -13.5 74 3.8 -11.1 331 18 318.9 319.4 291.0 327.6 2.63 20 500 5820 -10.7 -19.7 48 9.0 -13.5 320 20 320.0 320.3 290.4 325.4 1.60 21 497 5866 -10.7 -28.7 21 18.0 -15.0 320 20 320.5 320.7 289.7 323.1 0.72 22 486 6038 -11.7 -29.7 21 18.0 -15.9 322 22 321.4 321.5 289.9 323.8 0.67 23 408 7354 -21.1 -22.3 90 1.2 -21.4 300 20 325.7 326.0 292.0 331.2 1.57 24 403 7445 -21.1 -25.3 69 4.2 -22.1 312 20 326.9 327.1 292.0 331.2 1.21 25 400 7500 -21.5 -25.2 72 3.7 -22.4 320 20 327.0 327.3 292.1 331.4 1.23 26 364 8188 -26.1 -28.7 79 2.6 -26.6 313 34 329.8 330.0 292.6 333.4 0.98 27 345 8574 -27.7 -36.7 42 9.0 -29.0 295 38 332.8 332.9 292.9 334.6 0.48 28 323 9043 -31.7 -36.4 63 4.7 -32.4 292 35 333.6 333.7 293.2 335.6 0.53 29 300 9560 -36.1 -42.1 54 6.0 -36.7 285 33 334.5 334.6 293.2 335.7 0.31 30 257 10615 -44.9 -49.6 59 4.7 -45.2 276 42 336.6 336.7 293.6 337.3 0.16 31 254 10693 -45.3 -51.3 51 6.0 -45.6 278 40 337.2 337.2 293.7 337.7 0.13 32 251 10773 -43.1 -77.1 1 34.0 -43.9 279 39 341.6 341.6 294.7 341.6 0.00 33 250 10800 -43.1 -75.1 2 32.0 -43.9 280 38 342.0 342.0 294.8 342.0 0.01 34 200 12280 -49.7 -75.7 3 26.0 -50.2 265 54 354.1 354.1 297.5 354.1 0.01 35 164 13559 -57.8 -80.9 4 23.1 -58.1 270 66 361.1 361.1 298.9 361.1 0.00 36 163 13597 -58.1 -81.1 4 23.0 -58.3 270 66 361.3 361.3 299.0 361.3 0.00 37 150 14120 -59.9 -81.9 4 22.0 -60.1 270 59 366.9 366.9 300.0 366.9 0.00 38 139 14592 -61.5 -83.5 4 22.0 -61.7 275 50 372.1 372.1 300.9 372.2 0.00 39 116 15687 -70.3 -85.3 9 15.0 -70.4 290 60 375.6 375.6 301.5 375.6 0.00 40 100 16570 -68.9 -87.9 5 19.0 -69.0 315 27 394.6 394.6 304.5 394.6 0.00 41 90 17194 -72.1 -89.1 6 17.0 -72.2 317 24 400.3 400.3 305.2 400.3 0.00 42 84 17603 -68.3 -88.3 4 20.0 -68.4 319 22 416.0 416.0 307.2 416.0 0.00 43 76 18196 -72.5 -89.5 6 17.0 -72.6 322 18 419.3 419.3 307.6 419.3 0.00 44 70 18680 -71.3 -89.3 5 18.0 -71.4 325 15 431.8 431.8 309.0 431.9 0.00 45 58 19809 -65.1 -89.1 2 24.0 -65.4 347 10 469.7 469.7 312.6 469.7 0.00 46 52 20472 -66.5 -89.5 3 23.0 -66.7 0 7 481.3 481.3 313.5 481.4 0.00 47 50 20710 -65.3 -88.3 3 23.0 -65.6 5 6 489.6 489.6 314.2 489.6 0.00 48 46 21221 -62.1 -88.1 2 26.0 -62.6 15 7 509.1 509.1 315.6 509.2 0.00 49 43 21637 -63.3 -88.3 2 25.0 -63.7 23 8 516.1 516.1 316.1 516.1 0.00 50 34 23104 -56.5 -85.5 1 29.0 -57.7 50 11 569.8 569.8 319.2 569.9 0.01 51 30 23900 -55.5 -85.5 1 30.0 -57.0 65 12 593.3 593.3 320.3 593.4 0.01 52 26 24817 -53.7 -84.7 1 31.0 -55.7 46 9 623.2 623.2 321.6 623.3 0.01 53 23 25605 -53.7 -84.7 1 31.0 -55.9 29 7 645.5 645.5 322.5 645.6 0.01 54 20 26520 -45.9 -80.9 1 35.0 -50.7 10 4 695.7 695.7 324.3 695.9 0.03 55 18 27224 -44.5 -80.5 1 36.0 -50.2 356 6 721.4 721.4 325.1 721.7 0.03 56 14 28894 -48.1 -82.1 1 34.0 -53.2 324 12 762.9 762.9 326.3 763.2 0.03 57 10 31140 -42.5 -79.5 1 37.0 -51.4 280 20 860.9 860.9 328.7 861.6 0.07 58 9.9 31208 -42.1 -80.1 1 38.0 -51.3 864.9 864.9 328.7 865.5 0.07 TRP 116 15687 -70.3 -85.3 9 15.0 -70.4 290 60 375.6 375.6 301.5 375.6 0.00 WND 164 13559 -57.8 -80.9 4 23.1 -58.1 270 66 361.1 361.1 298.9 361.1 0.00 Sounding variables and indices 1000-500 mb thick: 5683.00 m Freezing level: 609.89 mb = 4262.19 m = 13983.41 ft Wetbulb zero: 668.79 mb = 3517.72 m = 11540.92 ft Precipitable water: 1.61 inches Sfc-500 mean rel hum: 74.99 % Est. max temperature: 28.33 C = 82.99 F Sfc-Lift cond lev (LCL): 985.87 mb = 260.10 m = 853.34 ft T: 20.09 C 700-500 lapse rate: 5.80 C/km ThetaE index: 16.64 C Layer 1000.0- 826.0 mb Conv cond level (CCL): 939.25 mb = 677.63 m = 2223.17 ft Mean mixing ratio: 13.81 g/kg Conv temperature: 23.37 C = 74.07 F Cap Strength: 1.16 C Lifted Index: -2.05 C Risk: Severe thunderstorms possible Lifted Index @300 mb: 0.68 C Lifted Index @700 mb: -1.43 C Showalter Index: 0.24 C Risk: Thunderstorms probable Total Totals Index: 47.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.30 C Cross Totals Index: 21.90 C K Index: 34.70 Risk: 60-80 % chance of thunderstorms Sweat Index: 174.40 Risk: None Energy Index: -1.03 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 328.35 J/kg Max Up Vert Vel: 25.63 m/s Conv Inhibition (B-): 21.53 J/kg Cap Strength: 0.97 C Lift Cond Lev (LCL): 945.64 mb = 619.34 m = 2031.94 ft Lev Free Conv (LFC): 790.64 mb = 2138.52 m = 7016.07 ft Equ Level (EL): 350.64 mb = 8456.97 m = 27745.64 ft B at Equ Level: 325.89 J/kg Max Parcel Lev (MPL): 220.64 mb = 11628.49 m = 38150.75 ft Wind level data Storm motion: 42 at 7 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 1003 109 125 10 -8.2 5.7 | 164 12 -3.3 11.2 1 1000 137 130 8 -6.1 5.1 | 173 11 -1.2 10.6 2 947 610 90 17 -17.0 0.0 | 114 13 -12.1 5.5 3 925 809 90 15 -15.0 0.0 | 118 12 -10.1 5.5 4 914 914 90 13 -13.0 0.0 | 124 10 -8.1 5.5 5 882 1219 40 11 -7.1 -8.4 | 37 4 -2.2 -2.9 6 850 1530 35 10 -5.7 -8.2 | 17 3 -0.8 -2.7 7 820 1829 25 10 -4.2 -9.1 | 349 4 0.7 -3.6 8 791 2134 5 5 -0.4 -5.0 | 264 4 4.5 0.5 9 700 3147 330 6 3.0 -5.2 | 268 8 7.9 0.3 10 632 3962 30 1 -0.5 -0.9 | 224 6 4.4 4.6 11 608 4267 30 8 -4.0 -6.9 | 328 2 0.9 -1.4 12 563 4877 15 10 -2.6 -9.7 | 331 5 2.3 -4.2 13 502 5791 320 20 12.9 -15.3 | 299 20 17.7 -9.8 14 500 5820 320 20 12.9 -15.3 | 299 20 17.7 -9.8 15 463 6401 325 25 14.3 -20.5 | 308 24 19.2 -15.0 16 410 7315 295 20 18.1 -8.5 | 277 23 23.0 -3.0 17 400 7500 320 20 12.9 -15.3 | 299 20 17.7 -9.8 18 393 7620 320 19 12.2 -14.6 | 298 19 17.1 -9.1 19 377 7925 325 32 18.4 -26.2 | 312 31 23.2 -20.7 20 346 8534 295 38 34.4 -16.1 | 285 41 39.3 -10.6 21 305 9449 290 32 30.1 -10.9 | 279 35 35.0 -5.5 22 300 9560 285 33 31.9 -8.5 | 275 37 36.8 -3.1 23 267 10363 270 47 47.0 -0.0 | 264 52 51.9 5.5 24 250 10800 280 38 37.4 -6.6 | 272 42 42.3 -1.1 25 200 12280 265 54 53.8 4.7 | 260 60 58.7 10.2 26 193 12497 265 54 53.8 4.7 | 260 60 58.7 10.2 27 176 13106 275 49 48.8 -4.3 | 269 54 53.7 1.2 28 164 13559 270 66 66.0 -0.0 | 266 71 70.9 5.5 29 160 13716 270 66 66.0 -0.0 | 266 71 70.9 5.5 30 150 14120 270 59 59.0 -0.0 | 265 64 63.9 5.5 31 138 14630 275 49 48.8 -4.3 | 269 54 53.7 1.2 32 125 15240 295 58 52.6 -24.5 | 288 61 57.5 -19.0 33 116 15687 290 60 56.4 -20.5 | 284 63 61.3 -15.0 34 113 15850 290 64 60.1 -21.9 | 284 67 65.0 -16.4 35 102 16459 280 33 32.5 -5.7 | 270 37 37.4 -0.2 36 100 16570 315 27 19.1 -19.1 | 300 28 24.0 -13.6 37 97 16764 315 27 19.1 -19.1 | 300 28 24.0 -13.6 38 70 18680 325 15 8.6 -12.3 | 297 15 13.5 -6.8 39 50 20710 5 6 -0.5 -6.0 | 276 4 4.4 -0.5 40 30 23900 65 12 -10.9 -5.1 | 94 6 -6.0 0.4 41 20 26520 10 4 -0.7 -3.9 | 250 4 4.2 1.5 42 10 31140 280 20 19.7 -3.5 | 265 25 24.6 2.0 Wind Parameters Mean winds (0-6000m): 11.7 at 9.8 knts Storm direction: 41.7 at 7.3 knts Shear (0-3000m) pos: 0.0 neg: 2.7 tot: 2.7 10-3/s Storm rel Dir Shear (0-3000m): 104.5 deg Storm rel helicity (0-3000m) pos: 6.9 neg: -54.9 tot: -48.0 m^2/s^2 ave: -16.0 10^-3 m/s^2 rel: -0.65 Storm rel vorticity (0-3000m) horiz: 6.6 stream: -4.3 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 9.72 Bulk Shear: 33.79 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 ------------------------------------------------------------------------------- 500 104 12 140 11| 0.0 10.8 10.8| 0.8 -34.3 -33.5 -66.9 -0.90| 11.9-10.8 1000 93 13 127 10| 0.0 6.2 6.2| 6.4 -44.0 -37.6 -37.6 -0.61| 11.6 -7.1 1500 79 12 113 8| 0.0 5.0 5.0| 6.4 -48.8 -42.4 -28.3 -0.67| 9.6 -6.4 2000 68 11 101 6| 0.0 3.5 3.5| 6.4 -54.4 -48.0 -24.0 -0.72| 8.9 -6.4 2500 61 10 97 4| 0.0 3.0 3.0| 6.9 -54.7 -47.8 -19.1 -0.68| 7.5 -5.1 3000 53 9 85 3| 0.0 2.7 2.7| 6.9 -54.9 -48.0 -16.0 -0.65| 6.6 -4.3 4000 44 8 78 1| 0.7 2.0 2.7| 8.0 -61.5 -53.5 -13.4 -0.60| 6.1 -3.6 5000 37 8 357 1| 0.5 2.4 3.0| 9.6 -62.6 -53.1 -10.6 -0.44| 5.9 -2.6 6000 12 10 325 5| 0.5 3.2 3.6| 19.2 -90.9 -71.7 -11.9 -0.42| 6.4 -2.6 Wrote GIF file: /home/apache/climate/data/raob//YSNF/skewt/YSNF.skewt.20250425.23.gif