UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121723.upa.cvt Date: 2300Z 17 DEC 25 Searching for NFFN... Searching the city database file for: NFFN ... Date:2300Z 17 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 1011 18 28.6 21.6 66 7.0 23.6 310 8 300.8 303.8 296.3 348.6 16.27 1 1000 110 26.6 20.6 70 6.0 22.3 300 7 299.8 302.6 295.5 344.9 15.45 2 994 163 26.2 20.2 70 6.0 21.9 292 6 299.9 302.6 295.3 344.2 15.16 3 925 796 22.0 19.0 83 3.0 19.9 160 3 301.8 304.6 295.8 346.4 15.12 4 867 1355 18.0 16.8 93 1.2 17.2 86 7 303.3 305.9 295.5 344.9 14.02 5 850 1525 17.6 14.3 81 3.3 15.4 65 8 304.6 306.8 294.5 340.8 12.15 6 804 1998 14.4 11.1 81 3.3 12.3 100 5 306.1 308.0 293.6 337.3 10.38 7 787 2179 14.2 4.2 51 10.0 8.5 106 4 307.7 309.0 291.1 327.9 6.58 8 777 2287 13.4 8.4 72 5.0 10.3 96 4 308.0 309.7 293.1 335.2 8.94 9 766 2407 13.6 0.6 41 13.0 6.6 85 4 309.5 310.5 290.5 325.7 5.22 10 751 2574 12.2 -0.8 41 13.0 5.4 69 4 309.7 310.6 290.2 324.7 4.81 11 746 2630 12.8 -16.2 12 29.0 1.5 64 4 310.9 311.2 287.3 315.7 1.45 12 709 3056 10.8 -6.2 30 17.0 2.7 22 4 313.3 313.9 290.0 324.2 3.39 13 700 3163 10.2 -11.8 20 22.0 0.8 335 5 313.8 314.2 289.0 321.0 2.21 14 673 3490 8.8 -25.2 7 34.0 -2.1 295 7 315.8 315.9 288.2 318.3 0.73 15 606 4349 2.4 -9.6 41 12.0 -2.9 242 11 318.0 318.6 291.2 328.0 3.04 16 590 4565 1.6 -20.4 18 22.0 -5.9 249 12 319.5 319.8 289.9 323.9 1.28 17 581 4689 0.4 -3.7 74 4.1 -1.7 264 14 319.5 320.5 293.2 335.7 5.01 18 576 4759 0.0 -3.0 80 3.0 -1.6 274 15 319.8 320.9 293.6 337.0 5.33 19 558 5012 -2.3 -3.7 90 1.4 -3.0 291 17 320.0 321.0 293.6 336.9 5.22 20 509 5740 -5.3 -14.3 49 9.0 -8.8 280 17 324.9 325.4 292.6 333.3 2.48 21 503 5833 -5.3 -17.3 38 12.0 -9.6 275 18 326.0 326.4 292.4 332.8 1.96 22 500 5880 -5.7 -17.7 38 12.0 -10.0 275 18 326.1 326.5 292.4 332.7 1.90 23 497 5927 -6.1 -17.1 41 11.0 -10.1 275 18 326.2 326.6 292.6 333.1 2.01 24 487 6086 -6.1 -39.1 5 33.0 -13.0 275 20 328.1 328.1 291.5 329.1 0.26 25 476 6264 -7.3 -24.3 24 17.0 -12.4 275 20 328.7 329.0 292.4 332.7 1.12 26 473 6313 -7.5 -28.5 17 21.0 -13.2 275 20 329.1 329.2 292.2 331.9 0.77 27 406 7479 -16.7 -50.7 4 34.0 -21.1 275 29 331.9 331.9 292.3 332.2 0.09 28 400 7590 -17.5 -44.5 8 27.0 -21.5 275 31 332.2 332.3 292.5 333.0 0.18 29 374 8089 -21.3 -43.3 12 22.0 -24.4 281 35 333.7 333.7 292.9 334.5 0.22 30 371 8149 -21.9 -37.9 22 16.0 -24.5 280 35 333.6 333.7 293.1 335.1 0.39 31 366 8248 -22.5 -23.3 93 0.8 -22.7 277 36 334.1 334.5 294.3 339.9 1.60 32 360 8370 -23.3 -23.7 97 0.4 -23.4 274 37 334.6 335.0 294.4 340.3 1.57 33 354 8493 -23.5 -29.5 58 6.0 -24.8 271 38 336.0 336.2 294.2 339.4 0.94 34 349 8596 -24.5 -27.4 77 2.9 -25.2 271 38 336.0 336.2 294.4 340.2 1.16 35 337 8850 -26.3 -29.6 74 3.3 -27.0 274 41 336.9 337.1 294.4 340.5 0.98 36 331 8980 -27.1 -35.1 47 8.0 -28.5 276 42 337.6 337.7 294.3 339.8 0.58 37 316 9312 -30.5 -35.5 62 5.0 -31.3 280 45 337.3 337.5 294.2 339.6 0.59 38 313 9380 -30.5 -32.9 79 2.4 -30.9 281 46 338.3 338.4 294.6 341.1 0.77 39 300 9680 -32.1 -40.1 45 8.0 -33.1 285 49 340.1 340.2 294.7 341.7 0.39 40 291 9893 -34.3 -41.3 49 7.0 -35.1 286 51 340.0 340.1 294.7 341.4 0.35 41 289 9941 -34.3 -52.3 14 18.0 -35.7 284 53 340.7 340.7 294.6 341.1 0.10 42 286 10014 -34.5 -53.5 13 19.0 -35.9 282 55 341.4 341.4 294.7 341.8 0.09 43 271 10388 -36.5 -56.5 11 20.0 -37.8 285 64 343.8 343.8 295.3 344.1 0.07 44 250 10940 -40.5 -61.5 9 21.0 -41.5 295 69 345.9 345.9 295.7 346.0 0.04 45 210 12103 -51.3 -60.3 33 9.0 -51.5 295 70 346.7 346.7 296.0 346.9 0.05 46 205 12260 -51.9 -68.9 11 17.0 -52.2 295 69 348.1 348.1 296.3 348.2 0.02 47 200 12420 -53.1 -68.1 15 15.0 -53.4 295 67 348.7 348.7 296.4 348.8 0.02 48 171 13406 -61.1 -70.1 29 9.0 -61.2 300 74 351.4 351.4 297.0 351.5 0.02 49 170 13443 -61.3 -70.7 28 9.4 -61.4 295 77 351.7 351.7 297.0 351.8 0.02 50 150 14210 -64.5 -82.5 7 18.0 -64.6 285 75 359.0 359.0 298.5 359.0 0.00 51 149 14251 -64.9 -83.9 6 19.0 -65.0 285 75 359.0 359.0 298.5 359.0 0.00 52 147 14333 -65.3 -84.3 6 19.0 -65.4 284 74 359.7 359.7 298.7 359.7 0.00 53 100 16580 -82.1 -88.1 35 6.0 -82.1 290 51 369.1 369.1 300.4 369.1 0.00 54 97 16750 -82.5 -89.5 29 7.0 -82.5 290 46 371.6 371.6 300.8 371.6 0.00 55 76 18129 -77.5 -88.5 15 11.0 -77.5 290 16 408.9 408.9 306.3 408.9 0.00 56 70 18600 -76.9 -88.9 13 12.0 -76.9 315 3 419.9 419.9 307.7 419.9 0.00 57 62 19308 -70.5 -89.5 4 19.0 -70.6 351 7 448.9 448.9 310.7 448.9 0.00 58 55 20021 -68.5 -89.5 3 21.0 -68.7 90 11 469.1 469.1 312.5 469.1 0.00 59 50 20590 -69.9 -89.9 4 20.0 -70.1 95 23 478.8 478.8 313.4 478.8 0.00 60 49 20710 -70.1 -90.1 4 20.0 -70.2 100 18 481.1 481.1 313.5 481.1 0.00 61 39 22096 -61.7 -89.7 1 28.0 -62.3 74 25 534.8 534.8 317.2 534.8 0.00 62 36 22592 -62.1 -89.1 2 27.0 -62.7 68 36 546.1 546.1 317.9 546.1 0.00 63 30 23730 -58.1 -88.1 1 30.0 -59.2 95 31 586.2 586.3 320.0 586.3 0.01 64 27 24396 -56.1 -87.1 1 31.0 -57.6 81 31 609.8 609.8 321.0 609.9 0.01 65 22 25700 -54.9 -85.9 1 31.0 -57.0 91 29 650.2 650.2 322.7 650.2 0.01 66 21 25997 -55.3 -86.3 1 31.0 -57.3 93 29 657.7 657.7 323.0 657.7 0.01 67 20 26310 -53.1 -85.1 1 32.0 -55.8 90 30 673.6 673.6 323.6 673.7 0.01 68 17 27371 -47.5 -82.5 1 35.0 -52.2 90 30 723.6 723.7 325.2 723.9 0.03 TRP 97 16750 -82.5 -89.5 29 7.0 -82.5 290 46 371.6 371.6 300.8 371.6 0.00 WND 170 13443 -61.3 -70.7 28 9.4 -61.4 295 77 351.7 351.7 297.0 351.8 0.02 Sounding variables and indices 1000-500 mb thick: 5770.00 m Freezing level: 576.00 mb = 4758.63 m = 15612.13 ft Wetbulb zero: 692.41 mb = 3253.59 m = 10674.39 ft Precipitable water: 1.62 inches Sfc-500 mean rel hum: 55.30 % Est. max temperature: 31.54 C = 88.77 F Sfc-Lift cond lev (LCL): 913.55 mb = 903.58 m = 2964.47 ft T: 21.23 C 700-500 lapse rate: 5.85 C/km ThetaE index: 19.44 C Layer 766.0- 709.0 mb Conv cond level (CCL): 868.36 mb = 1341.75 m = 4402.01 ft Mean mixing ratio: 15.20 g/kg Conv temperature: 31.04 C = 87.88 F Cap Strength: 1.54 C Lifted Index: -1.15 C Risk: Thunderstorms probable Lifted Index @300 mb: -1.27 C Lifted Index @700 mb: 0.86 C Showalter Index: 0.73 C Risk: Thunderstorms probable Total Totals Index: 43.30 C Risk: None Vertical Totals Index: 23.30 C Cross Totals Index: 20.00 C K Index: 15.60 Risk: < 20 % chance of thunderstorms Sweat Index: 205.60 Risk: None Energy Index: -1.58 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 405.30 J/kg Max Up Vert Vel: 28.47 m/s Conv Inhibition (B-): 32.34 J/kg Cap Strength: 1.54 C Lift Cond Lev (LCL): 898.54 mb = 1046.70 m = 3434.03 ft Lev Free Conv (LFC): 803.54 mb = 2003.35 m = 6572.57 ft Equ Level (EL): 793.54 mb = 2109.27 m = 6920.11 ft B at Equ Level: 4.30 J/kg Max Parcel Lev (MPL): 763.54 mb = 2434.57 m = 7987.33 ft Wind level data Storm motion: 308 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 1011 18 310 8 6.1 -5.1 | 318 1 1.0 -1.1 1 1000 110 300 7 6.1 -3.5 | 239 1 0.9 0.5 2 978 305 270 4 4.0 -0.0 | 164 4 -1.2 4.0 3 945 610 140 2 -1.3 1.5 | 131 9 -6.4 5.6 4 925 796 160 3 -1.0 2.8 | 138 9 -6.2 6.9 5 912 914 140 4 -2.6 3.1 | 133 11 -7.7 7.1 6 850 1524 65 8 -7.3 -3.4 | 93 12 -12.4 0.7 7 850 1525 65 8 -7.3 -3.4 | 93 12 -12.4 0.7 8 791 2134 110 4 -3.8 1.4 | 121 10 -8.9 5.4 9 710 3048 25 4 -1.7 -3.6 | 94 7 -6.8 0.4 10 700 3163 335 5 2.1 -4.5 | 81 3 -3.0 -0.5 11 634 3962 235 11 9.0 6.3 | 200 11 3.9 10.4 12 611 4267 240 11 9.5 5.5 | 205 10 4.4 9.5 13 588 4572 250 12 11.3 4.1 | 217 10 6.1 8.2 14 566 4877 295 17 15.4 -7.2 | 287 11 10.2 -3.1 15 545 5182 285 16 15.5 -4.1 | 271 10 10.3 -0.1 16 525 5486 300 15 13.0 -7.5 | 294 9 7.8 -3.5 17 506 5791 275 18 17.9 -1.6 | 259 13 12.8 2.5 18 500 5880 275 18 17.9 -1.6 | 259 13 12.8 2.5 19 486 6096 275 20 19.9 -1.7 | 261 15 14.8 2.3 20 449 6706 275 19 18.9 -1.7 | 260 14 13.8 2.4 21 400 7590 275 31 30.9 -2.7 | 267 26 25.7 1.3 22 398 7620 275 30 29.9 -2.6 | 267 25 24.7 1.4 23 382 7925 285 34 32.8 -8.8 | 280 28 27.7 -4.8 24 351 8534 270 38 38.0 -0.0 | 263 33 32.8 4.0 25 300 9680 285 49 47.3 -12.7 | 282 43 42.2 -8.6 26 297 9754 290 47 44.2 -16.1 | 287 41 39.0 -12.0 27 284 10058 280 57 56.1 -9.9 | 277 51 51.0 -5.8 28 260 10668 290 70 65.8 -23.9 | 288 64 60.6 -19.9 29 250 10940 295 69 62.5 -29.2 | 294 63 57.4 -25.1 30 249 10973 295 69 62.5 -29.2 | 294 63 57.4 -25.1 31 207 12192 295 70 63.4 -29.6 | 294 64 58.3 -25.5 32 200 12420 295 67 60.7 -28.3 | 294 61 55.6 -24.3 33 171 13411 300 74 64.1 -37.0 | 299 68 58.9 -33.0 34 170 13443 295 77 69.8 -32.5 | 294 71 64.6 -28.5 35 163 13716 295 77 69.8 -32.5 | 294 71 64.6 -28.5 36 150 14210 285 75 72.4 -19.4 | 283 69 67.3 -15.4 37 140 14630 280 72 70.9 -12.5 | 277 66 65.7 -8.5 38 113 15850 285 65 62.8 -16.8 | 282 59 57.6 -12.8 39 102 16459 290 44 41.3 -15.0 | 287 38 36.2 -11.0 40 100 16580 290 51 47.9 -17.4 | 287 45 42.8 -13.4 41 97 16750 290 46 43.2 -15.7 | 287 40 38.1 -11.7 42 97 16764 290 51 47.9 -17.4 | 287 45 42.8 -13.4 43 92 17069 305 41 33.6 -23.5 | 304 34 28.4 -19.5 44 82 17678 275 32 31.9 -2.8 | 267 27 26.7 1.3 45 78 17983 275 17 16.9 -1.5 | 258 12 11.8 2.6 46 74 18288 305 14 11.5 -8.0 | 302 7 6.3 -4.0 47 70 18593 265 10 10.0 0.9 | 224 7 4.8 4.9 48 70 18600 315 3 2.1 -2.1 | 122 4 -3.0 1.9 49 67 18898 255 1 1.0 0.3 | 136 6 -4.2 4.3 50 60 19507 35 10 -5.7 -8.2 | 69 12 -10.9 -4.1 51 57 19812 20 13 -4.4 -12.2 | 50 13 -9.6 -8.2 52 54 20117 120 10 -8.7 5.0 | 123 17 -13.8 9.0 53 51 20422 130 15 -11.5 9.6 | 129 22 -16.6 13.7 54 50 20590 95 23 -22.9 2.0 | 102 29 -28.1 6.1 55 49 20726 100 17 -16.7 3.0 | 108 23 -21.9 7.0 56 47 21031 95 23 -22.9 2.0 | 102 29 -28.1 6.1 57 44 21336 60 22 -19.1 -11.0 | 74 25 -24.2 -7.0 58 40 21946 75 21 -20.3 -5.4 | 87 25 -25.4 -1.4 59 36 22555 70 36 -33.8 -12.3 | 78 40 -39.0 -8.3 60 35 22860 60 35 -30.3 -17.5 | 69 38 -35.5 -13.5 61 31 23470 85 29 -28.9 -2.5 | 93 34 -34.0 1.5 62 30 23730 95 31 -30.9 2.7 | 101 37 -36.0 6.8 63 30 23774 75 34 -32.8 -8.8 | 83 38 -38.0 -4.8 64 28 24079 95 31 -30.9 2.7 | 101 37 -36.0 6.8 65 27 24384 80 31 -30.5 -5.4 | 88 36 -35.7 -1.3 66 26 24689 95 31 -30.9 2.7 | 101 37 -36.0 6.8 67 21 25908 90 29 -29.0 0.0 | 97 34 -34.2 4.0 68 20 26213 100 28 -27.6 4.9 | 105 34 -32.7 8.9 69 20 26310 90 30 -30.0 0.0 | 97 35 -35.2 4.0 70 19 26518 85 28 -27.9 -2.4 | 93 33 -33.1 1.6 71 14 27737 100 35 -34.5 6.1 | 104 41 -39.6 10.1 Wind Parameters Mean winds (0-6000m): 278.1 at 8.7 knts Storm direction: 308.1 at 6.6 knts Shear (0-3000m) pos: 0.8 neg: 1.9 tot: 2.7 10-3/s Storm rel Dir Shear (0-3000m): 135.7 deg Storm rel helicity (0-3000m) pos: 19.6 neg: -49.5 tot: -29.9 m^2/s^2 ave: -10.0 10^-3 m/s^2 rel: -0.44 Storm rel vorticity (0-3000m) horiz: 6.2 stream: -2.7 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 207.74 Bulk Shear: 1.95 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 ------------------------------------------------------------------------------- 500 284 5 173 3| 0.0 10.2 10.2| 0.0 -7.1 -7.1 -14.1 -0.66| 11.8 -7.7 1000 246 4 165 6| 0.0 6.5 6.5| 2.3 -15.4 -13.2 -13.2 -0.59| 8.7 -5.1 1500 97 5 115 11| 0.0 4.6 4.6| 2.3 -39.0 -36.7 -24.5 -0.70| 8.4 -5.9 2000 84 5 109 11| 1.3 3.5 4.7| 17.5 -39.0 -21.5 -10.7 -0.42| 7.6 -3.2 2500 86 5 110 11| 1.0 2.6 3.6| 19.6 -44.8 -25.3 -10.1 -0.42| 6.7 -2.8 3000 79 5 107 10| 0.8 1.9 2.7| 19.6 -49.5 -29.9 -10.0 -0.44| 6.2 -2.7 4000 67 6 100 10| 0.6 0.9 1.5| 19.6 -59.4 -39.8 -10.0 -0.35| 7.2 -2.5 5000 266 7 203 5| 1.2 0.7 1.9| 59.0 -62.2 -3.2 -0.6 -0.08| 7.4 -0.6 6000 278 9 231 4| 1.0 1.2 2.2| 66.9 -81.8 -14.9 -2.5 -0.11| 7.3 -0.8 Wrote GIF file: /home/apache/climate/data/raob//NFFN/skewt/NFFN.skewt.20251217.23.gif