UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120823.upa.cvt Date: 2300Z 8 DEC 25 Searching for NFFN... Searching the city database file for: NFFN ... Date:2300Z 8 DEC 25 Station: NFFN WMO ident: 91680 Latitude: -17.75 Longitude: 177.45 Elevation: 18.00 ------------------------------------------------------------------------------- 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 1010 18 31.0 21.0 55 10.0 23.8 30 11 303.3 306.2 296.6 349.8 15.69 1 1000 97 29.6 19.6 55 10.0 22.5 15 15 302.8 305.4 295.7 345.7 14.50 2 925 787 22.8 18.8 78 4.0 20.0 20 9 302.6 305.4 295.9 346.8 14.93 3 897 1055 20.6 17.8 84 2.8 18.7 27 12 303.0 305.7 295.7 345.8 14.44 4 850 1519 17.6 12.6 72 5.0 14.3 15 10 304.6 306.6 293.6 337.0 10.85 5 776 2293 13.2 4.2 54 9.0 8.0 348 11 307.9 309.1 291.2 328.3 6.67 6 740 2691 10.0 1.0 54 9.0 5.2 341 13 308.6 309.7 290.5 325.8 5.56 7 706 3080 6.4 -0.6 61 7.0 2.8 335 15 308.8 309.8 290.2 324.9 5.19 8 700 3150 6.4 -7.6 36 14.0 0.1 335 15 309.6 310.2 288.5 319.3 3.08 9 696 3197 6.4 -1.6 57 8.0 2.3 329 16 310.1 311.0 290.3 325.3 4.89 10 685 3327 7.0 -21.0 11 28.0 -2.5 314 19 312.2 312.4 287.3 315.7 1.05 11 684 3339 7.0 -21.0 11 28.0 -2.5 312 20 312.3 312.5 287.3 315.8 1.05 12 675 3447 6.6 -10.4 28 17.0 -0.7 311 21 313.0 313.5 289.2 321.3 2.56 13 670 3508 6.8 -21.2 11 28.0 -2.7 312 21 313.9 314.1 287.9 317.5 1.05 14 667 3545 6.6 -11.4 26 18.0 -1.0 312 21 314.1 314.6 289.3 321.9 2.40 15 664 3582 6.6 -21.4 11 28.0 -2.9 312 21 314.5 314.7 288.1 318.0 1.04 16 592 4510 0.4 -33.6 6 34.0 -8.0 324 24 317.8 317.9 288.5 319.2 0.38 17 580 4673 -0.5 -36.5 5 36.0 -8.8 318 24 318.6 318.7 288.6 319.7 0.29 18 545 5169 -1.3 -47.3 2 46.0 -9.9 314 35 323.4 323.4 289.9 323.8 0.10 19 528 5420 -2.3 -16.3 33 14.0 -7.6 315 33 325.1 325.5 292.3 332.1 2.03 20 507 5741 -3.5 -38.5 5 35.0 -11.2 315 29 327.5 327.5 291.3 328.5 0.27 21 500 5850 -4.7 -35.7 7 31.0 -11.9 315 28 327.3 327.4 291.3 328.7 0.36 22 460 6502 -10.1 -43.1 5 33.0 -16.0 308 28 328.5 328.5 291.5 329.2 0.18 23 400 7570 -16.9 -40.9 11 24.0 -20.9 285 39 333.0 333.1 292.8 334.1 0.27 24 350 8556 -24.3 -52.3 6 28.0 -27.2 290 39 336.0 336.0 293.4 336.3 0.09 25 300 9660 -32.5 -50.5 15 18.0 -34.0 260 73 339.6 339.6 294.3 340.1 0.12 26 277 10215 -36.9 -50.9 22 14.0 -37.9 270 82 341.1 341.1 294.7 341.6 0.13 27 273 10315 -35.7 -61.7 5 26.0 -37.1 272 83 344.2 344.2 295.4 344.4 0.03 28 255 10785 -38.6 -60.0 9 21.4 -39.8 280 91 346.6 346.7 295.9 346.8 0.05 29 250 10920 -39.5 -59.5 10 20.0 -40.5 280 90 347.3 347.4 296.1 347.6 0.05 30 246 11030 -40.3 -62.3 8 22.0 -41.3 280 91 347.8 347.8 296.2 347.9 0.04 31 200 12410 -51.7 -68.7 11 17.0 -52.1 270 89 350.9 350.9 296.8 351.0 0.02 32 198 12475 -52.1 -74.1 5 22.0 -52.5 270 89 351.3 351.3 296.9 351.3 0.01 33 189 12774 -54.5 -73.5 8 19.0 -54.8 271 88 352.1 352.1 297.1 352.2 0.01 34 181 13049 -56.9 -63.9 41 7.0 -57.1 272 87 352.6 352.6 297.2 352.8 0.04 35 173 13333 -59.1 -71.1 20 12.0 -59.3 273 86 353.5 353.5 297.4 353.6 0.02 36 150 14210 -66.5 -73.5 37 7.0 -66.5 275 84 355.5 355.5 297.8 355.6 0.01 37 148 14291 -66.9 -73.9 37 7.0 -67.0 274 84 356.2 356.2 298.0 356.3 0.01 38 144 14456 -67.3 -83.3 9 16.0 -67.4 272 84 358.3 358.3 298.4 358.3 0.00 39 128 15159 -71.1 -87.1 8 16.0 -71.2 275 74 363.7 363.7 299.4 363.8 0.00 40 100 16580 -81.5 -90.5 20 9.0 -81.5 290 47 370.3 370.3 300.6 370.3 0.00 41 98 16694 -81.7 -90.7 20 9.0 -81.7 290 46 372.0 372.0 300.9 372.0 0.00 42 82 17693 -82.9 -91.9 20 9.0 -82.9 329 38 389.0 389.0 303.6 389.0 0.00 43 77 18051 -76.3 -89.3 11 13.0 -76.3 314 34 409.8 409.8 306.5 409.8 0.00 44 72 18437 -78.3 -90.3 13 12.0 -78.3 253 16 413.5 413.5 306.9 413.5 0.00 45 70 18600 -73.9 -88.9 8 15.0 -74.0 80 22 426.3 426.3 308.4 426.3 0.00 46 67 18857 -70.3 -90.3 4 20.0 -70.4 84 18 439.5 439.5 309.8 439.5 0.00 47 57 19824 -66.9 -89.9 3 23.0 -67.1 90 18 468.0 468.0 312.5 468.0 0.00 48 53 20261 -68.7 -90.7 3 22.0 -68.9 86 17 473.6 473.6 313.0 473.6 0.00 49 50 20610 -67.7 -90.7 2 23.0 -67.9 55 19 484.0 484.0 313.8 484.0 0.00 50 30 23760 -57.7 -86.7 1 29.0 -58.9 80 40 587.3 587.3 320.0 587.4 0.01 51 27 24426 -56.7 -86.7 1 30.0 -58.2 78 40 608.1 608.1 321.0 608.2 0.01 52 25 24912 -57.9 -86.9 1 29.0 -59.3 67 36 618.2 618.2 321.4 618.3 0.01 53 20 26340 -51.3 -84.3 1 33.0 -54.4 80 28 679.1 679.2 323.7 679.3 0.02 54 19 26673 -51.1 -84.1 1 33.0 -54.4 78 28 689.8 689.8 324.1 689.9 0.02 55 17 27397 -51.3 -84.3 1 33.0 -54.8 79 27 711.5 711.5 324.8 711.6 0.02 TRP 98 16694 -81.7 -90.7 20 9.0 -81.7 290 46 372.0 372.0 300.9 372.0 0.00 WND 255 10785 -38.6 -60.0 9 21.4 -39.8 280 91 346.6 346.7 295.9 346.8 0.05 Sounding variables and indices 1000-500 mb thick: 5753.00 m Freezing level: 586.67 mb = 4582.41 m = 15033.98 ft Wetbulb zero: 690.72 mb = 3259.05 m = 10692.28 ft Precipitable water: 1.41 inches Sfc-500 mean rel hum: 39.78 % Est. max temperature: 31.96 C = 89.53 F Sfc-Lift cond lev (LCL): 874.18 mb = 1276.95 m = 4189.40 ft T: 19.16 C 700-500 lapse rate: 4.11 C/km ThetaE index: 27.43 C Layer 897.0- 696.0 mb Conv cond level (CCL): 842.20 mb = 1597.34 m = 5240.54 ft Mean mixing ratio: 14.76 g/kg Conv temperature: 32.64 C = 90.75 F Cap Strength: 1.17 C Lifted Index: -0.44 C Risk: Thunderstorms probable Lifted Index @300 mb: -2.17 C Lifted Index @700 mb: -3.23 C Showalter Index: 3.37 C Risk: None Total Totals Index: 39.60 C Risk: None Vertical Totals Index: 22.30 C Cross Totals Index: 17.30 C K Index: 20.90 Risk: 20-40 % chance of thunderstorms Sweat Index: 199.20 Risk: None Energy Index: -1.54 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 568.22 J/kg Max Up Vert Vel: 33.71 m/s Conv Inhibition (B-): 20.93 J/kg Cap Strength: 1.17 C Lift Cond Lev (LCL): 869.25 mb = 1325.75 m = 4349.53 ft Lev Free Conv (LFC): 794.25 mb = 2095.07 m = 6873.52 ft Equ Level (EL): 264.25 mb = 10539.38 m = 34577.59 ft B at Equ Level: 560.13 J/kg Max Parcel Lev (MPL): 144.25 mb = 14445.54 m = 47392.94 ft Wind level data Storm motion: 359 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 1010 18 30 11 -5.5 -9.5 | 128 7 -5.7 4.5 1 1000 97 15 15 -3.9 -14.5 | 83 4 -4.1 -0.5 2 977 305 20 13 -4.4 -12.2 | 111 5 -4.7 1.8 3 944 610 25 10 -4.2 -9.1 | 138 7 -4.4 5.0 4 925 787 20 9 -3.1 -8.5 | 149 6 -3.3 5.6 5 911 914 30 12 -6.0 -10.4 | 120 7 -6.2 3.6 6 850 1519 15 10 -2.6 -9.7 | 147 5 -2.8 4.4 7 849 1524 15 10 -2.6 -9.7 | 147 5 -2.8 4.4 8 790 2134 350 10 1.7 -9.8 | 200 4 1.5 4.2 9 709 3048 335 15 6.3 -13.6 | 266 6 6.1 0.4 10 700 3150 335 15 6.3 -13.6 | 266 6 6.1 0.4 11 683 3353 310 20 15.3 -12.9 | 266 15 15.1 1.2 12 609 4267 320 26 16.7 -19.9 | 290 18 16.5 -5.9 13 586 4572 325 23 13.2 -18.8 | 290 14 13.0 -4.8 14 564 4877 300 25 21.7 -12.5 | 266 21 21.4 1.5 15 543 5182 315 36 25.5 -25.5 | 294 28 25.2 -11.4 16 500 5850 315 28 19.8 -19.8 | 286 20 19.6 -5.8 17 484 6096 310 24 18.4 -15.4 | 274 18 18.2 -1.4 18 430 7010 305 33 27.0 -18.9 | 280 27 26.8 -4.9 19 400 7570 285 39 37.7 -10.1 | 264 38 37.5 3.9 20 397 7620 285 39 37.7 -10.1 | 264 38 37.5 3.9 21 350 8534 290 39 36.6 -13.3 | 269 36 36.4 0.7 22 309 9449 260 56 55.1 9.7 | 247 60 54.9 23.7 23 300 9660 260 73 71.9 12.7 | 250 76 71.7 26.7 24 255 10785 280 91 89.6 -15.8 | 271 89 89.4 -1.8 25 250 10920 280 90 88.6 -15.6 | 271 88 88.4 -1.6 26 248 10973 280 91 89.6 -15.8 | 271 89 89.4 -1.8 27 237 11278 280 90 88.6 -15.6 | 271 88 88.4 -1.6 28 200 12410 270 89 89.0 -0.0 | 261 90 88.8 14.0 29 150 14210 275 84 83.7 -7.3 | 265 84 83.5 6.7 30 140 14630 270 84 84.0 -0.0 | 261 85 83.8 14.0 31 100 16580 290 47 44.2 -16.1 | 273 44 44.0 -2.1 32 98 16694 290 46 43.2 -15.7 | 272 43 43.0 -1.7 33 97 16764 290 47 44.2 -16.1 | 273 44 44.0 -2.1 34 87 17374 280 39 38.4 -6.8 | 259 39 38.2 7.2 35 82 17678 330 38 19.0 -32.9 | 315 27 18.8 -18.9 36 78 17983 320 38 24.4 -29.1 | 302 29 24.2 -15.1 37 74 18288 295 21 19.0 -8.9 | 255 20 18.8 5.1 38 70 18593 210 11 5.5 9.5 | 193 24 5.3 23.5 39 70 18600 80 22 -21.7 -3.8 | 115 24 -21.9 10.2 40 67 18898 85 18 -17.9 -1.6 | 124 22 -18.1 12.4 41 63 19202 65 29 -26.3 -12.3 | 94 27 -26.5 1.8 42 57 19812 90 18 -18.0 0.0 | 128 23 -18.2 14.0 43 52 20422 85 17 -16.9 -1.5 | 126 21 -17.1 12.5 44 50 20610 55 19 -15.6 -10.9 | 101 16 -15.8 3.1 45 49 20726 45 22 -15.6 -15.6 | 84 16 -15.8 -1.5 46 44 21336 100 17 -16.7 3.0 | 135 24 -17.0 17.0 47 42 21641 105 25 -24.1 6.5 | 130 32 -24.4 20.5 48 36 22555 85 26 -25.9 -2.3 | 114 29 -26.1 11.8 49 35 22860 110 29 -27.3 9.9 | 131 36 -27.5 23.9 50 30 23760 80 40 -39.4 -6.9 | 100 40 -39.6 7.1 51 29 24079 80 43 -42.3 -7.5 | 99 43 -42.6 6.6 52 27 24384 80 40 -39.4 -6.9 | 100 40 -39.6 7.1 53 26 24689 65 37 -33.5 -15.6 | 87 34 -33.7 -1.6 54 20 26340 80 28 -27.6 -4.9 | 108 29 -27.8 9.2 55 18 26822 75 27 -26.1 -7.0 | 105 27 -26.3 7.0 56 15 27432 95 28 -27.9 2.4 | 120 33 -28.1 16.5 Wind Parameters Mean winds (0-6000m): 329.1 at 18.7 knts Storm direction: 359.1 at 14.0 knts Shear (0-3000m) pos: 0.2 neg: 2.3 tot: 2.4 10-3/s Storm rel Dir Shear (0-3000m): 136.8 deg Storm rel helicity (0-3000m) pos: 22.2 neg: -10.3 tot: 11.8 m^2/s^2 ave: 3.9 10^-3 m/s^2 rel: 0.36 Storm rel vorticity (0-3000m) horiz: 4.8 stream: 1.7 10^-3/s Energy-Hel index: 0.06 Bulk Rich Number: 20.51 Bulk Shear: 27.71 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 20 13 112 5| 0.0 1.3 1.3| 5.1 -5.3 -0.2 -0.4 -0.03| 9.8 -0.3 1000 22 12 125 6| 0.6 0.6 1.2| 8.4 -10.3 -2.0 -2.0 -0.09| 7.6 -0.7 1500 22 11 127 6| 0.4 1.3 1.7| 12.0 -10.3 1.6 1.1 0.06| 6.1 0.4 2000 18 11 134 5| 0.3 1.9 2.2| 15.6 -10.3 5.3 2.6 0.20| 5.5 1.1 2500 12 11 142 4| 0.2 2.1 2.3| 19.0 -10.3 8.6 3.4 0.30| 5.0 1.5 3000 5 11 154 3| 0.2 2.3 2.4| 22.2 -10.3 11.8 3.9 0.36| 4.8 1.7 4000 347 14 257 3| 0.5 2.9 3.4| 42.2 -11.6 30.7 7.7 0.35| 5.4 1.9 5000 336 16 276 6| 0.6 3.4 4.0| 75.4 -38.2 37.2 7.4 0.24| 6.3 1.5 6000 329 19 282 10| 0.9 2.5 3.4|119.4 -72.2 47.2 7.9 0.19| 6.8 1.3 Wrote GIF file: /home/apache/climate/data/raob//NFFN/skewt/NFFN.skewt.20251208.23.gif