UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121711.upa.cvt Date: 1100Z 17 DEC 25 Searching for NFFN... Searching the city database file for: NFFN ... Date:1100Z 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 1012 18 22.8 22.1 96 0.7 22.3 100 6 294.9 298.0 295.0 343.0 16.77 1 1000 120 24.8 20.1 75 4.7 21.5 100 11 298.0 300.7 294.7 341.4 14.97 2 986 244 25.4 20.4 74 5.0 21.9 100 13 299.8 302.6 295.5 345.0 15.48 3 946 607 23.8 17.8 69 6.0 19.6 55 7 301.7 304.2 294.8 342.0 13.68 4 925 803 22.4 16.4 69 6.0 18.3 90 3 302.2 304.6 294.3 340.0 12.78 5 850 1533 17.4 14.6 84 2.8 15.5 85 6 304.4 306.7 294.6 341.3 12.39 6 842 1614 16.6 14.5 87 2.1 15.2 92 6 304.4 306.7 294.7 341.4 12.43 7 795 2100 14.0 10.1 77 3.9 11.6 137 6 306.6 308.5 293.4 336.2 9.81 8 783 2229 15.0 9.0 67 6.0 11.3 158 7 309.0 310.8 293.6 337.2 9.24 9 742 2682 12.6 0.6 44 12.0 6.1 133 8 311.2 312.2 291.2 328.0 5.39 10 734 2773 12.4 -5.6 28 18.0 3.7 107 7 312.0 312.6 289.6 322.9 3.43 11 727 2853 13.0 -22.0 7 35.0 0.7 85 7 313.5 313.6 287.6 316.5 0.90 12 713 3016 12.0 -20.0 9 32.0 0.4 39 5 314.1 314.3 288.1 317.8 1.09 13 707 3087 11.0 1.0 50 10.0 5.5 30 5 313.8 314.9 292.3 332.1 5.83 14 700 3170 10.2 4.2 66 6.0 6.7 30 5 313.8 315.2 293.6 336.9 7.41 15 699 3182 10.2 4.2 66 6.0 6.7 29 5 313.9 315.3 293.6 337.1 7.42 16 694 3242 9.8 2.8 62 7.0 5.8 22 5 314.1 315.4 293.2 335.3 6.76 17 685 3350 10.2 -26.8 6 37.0 -1.5 11 5 315.7 315.8 288.1 317.9 0.62 18 577 4753 0.4 -12.6 37 13.0 -4.9 238 15 320.1 320.6 291.3 328.5 2.52 19 565 4922 0.0 -20.0 21 20.0 -6.9 251 17 321.6 321.9 290.7 326.4 1.38 20 561 4979 0.0 -8.0 55 8.0 -3.7 252 16 322.3 323.0 292.9 334.6 3.73 21 539 5298 -2.9 -4.2 91 1.3 -3.6 261 14 322.5 323.5 294.2 339.5 5.21 22 528 5461 -3.9 -7.8 74 3.9 -5.7 266 13 323.2 324.0 293.4 336.5 4.03 23 500 5890 -6.3 -8.8 82 2.5 -7.4 265 14 325.4 326.1 293.9 338.5 3.94 24 481 6192 -8.3 -10.6 83 2.3 -9.3 265 19 326.5 327.2 293.9 338.4 3.55 25 453 6655 -10.7 -23.7 33 13.0 -14.5 273 21 329.2 329.4 292.7 333.6 1.25 26 451 6689 -10.9 -17.9 56 7.0 -13.3 274 21 329.3 329.7 293.4 336.5 2.07 27 438 6913 -12.3 -19.3 56 7.0 -14.6 282 20 330.3 330.7 293.6 337.0 1.90 28 424 7160 -13.5 -44.5 5 31.0 -18.6 278 18 331.9 331.9 292.4 332.5 0.17 29 407 7470 -16.3 -35.3 18 19.0 -20.1 281 15 332.2 332.2 292.7 333.9 0.47 30 400 7600 -16.5 -27.5 38 11.0 -19.3 290 14 333.5 333.7 293.6 337.2 1.00 31 388 7828 -18.3 -20.3 84 2.0 -18.9 292 15 334.1 334.5 294.6 341.1 1.96 32 364 8303 -20.9 -26.9 59 6.0 -22.4 292 16 336.8 337.0 294.6 341.0 1.16 33 300 9700 -32.1 -36.1 68 4.0 -32.7 285 21 340.1 340.3 294.9 342.4 0.58 34 282 10133 -35.3 -38.0 76 2.7 -35.7 280 22 341.6 341.7 295.2 343.6 0.51 35 261 10667 -38.9 -53.9 19 15.0 -39.8 283 41 344.0 344.0 295.4 344.4 0.10 36 250 10960 -41.7 -48.7 47 7.0 -42.2 285 51 344.1 344.1 295.5 344.8 0.18 37 237 11320 -45.1 -51.1 51 6.0 -45.4 285 53 344.2 344.3 295.5 344.8 0.15 38 235 11377 -45.3 -52.3 45 7.0 -45.7 285 54 344.8 344.8 295.6 345.3 0.13 39 233 11434 -45.3 -59.3 19 14.0 -45.9 285 54 345.6 345.6 295.7 345.8 0.06 40 223 11727 -47.1 -66.1 10 19.0 -47.6 285 56 347.2 347.2 296.0 347.3 0.02 41 215 11968 -49.1 -60.1 27 11.0 -49.5 285 57 347.8 347.8 296.2 348.0 0.05 42 200 12440 -52.7 -66.7 17 14.0 -53.0 290 61 349.3 349.3 296.5 349.4 0.02 43 178 13179 -58.1 -76.1 8 18.0 -58.3 284 67 352.3 352.3 297.1 352.3 0.01 44 167 13576 -61.5 -76.5 12 15.0 -61.6 280 70 353.2 353.2 297.3 353.2 0.01 45 150 14230 -67.1 -77.1 23 10.0 -67.2 275 65 354.5 354.5 297.6 354.5 0.01 46 143 14518 -68.5 -78.5 22 10.0 -68.5 274 61 356.9 356.9 298.1 357.0 0.01 47 110 16057 -78.5 -84.5 37 6.0 -78.5 282 37 365.9 365.9 299.8 366.0 0.00 48 100 16600 -79.7 -90.7 15 11.0 -79.7 290 43 373.7 373.7 301.2 373.7 0.00 49 90 17191 -83.7 -91.7 23 8.0 -83.7 300 41 377.2 377.2 301.8 377.2 0.00 50 84 17579 -77.7 -87.7 18 10.0 -77.7 285 33 396.9 396.9 304.8 396.9 0.00 51 79 17929 -79.7 -88.7 21 9.0 -79.7 259 13 399.8 399.8 305.2 399.8 0.00 52 74 18300 -78.7 -89.7 15 11.0 -78.7 287 6 409.5 409.5 306.5 409.5 0.00 53 70 18620 -74.1 -90.1 7 16.0 -74.2 330 15 425.9 425.9 308.4 425.9 0.00 54 67 18876 -71.7 -89.7 5 18.0 -71.8 335 15 436.4 436.4 309.5 436.4 0.00 55 59 19626 -70.9 -89.9 4 19.0 -71.0 147 13 454.4 454.4 311.3 454.4 0.00 56 50 20610 -68.5 -91.5 2 23.0 -68.7 75 11 482.1 482.1 313.6 482.1 0.00 57 39 22115 -64.5 -90.5 2 26.0 -64.9 102 17 527.7 527.7 316.8 527.7 0.00 58 35 22785 -59.3 -89.3 1 30.0 -60.2 100 22 557.8 557.8 318.5 557.9 0.00 59 34 22967 -60.1 -89.1 1 29.0 -60.9 101 23 560.4 560.4 318.6 560.4 0.00 60 30 23750 -59.1 -88.1 1 29.0 -60.1 95 32 583.5 583.5 319.8 583.6 0.01 61 28 24184 -59.3 -89.3 1 30.0 -60.3 102 30 594.6 594.6 320.3 594.6 0.00 62 22 25724 -52.5 -85.5 1 33.0 -55.1 94 33 657.3 657.3 323.0 657.4 0.01 63 21 26024 -53.9 -85.9 1 32.0 -56.3 97 33 661.9 661.9 323.2 662.0 0.01 64 20 26340 -51.7 -85.7 1 34.0 -54.7 100 33 677.9 677.9 323.7 678.0 0.01 65 16 27802 -47.1 -83.1 1 36.0 -52.2 110 37 737.6 737.6 325.6 737.8 0.02 66 14 28685 -47.9 -83.9 1 36.0 -53.1 100 37 763.6 763.6 326.3 763.8 0.02 TRP 90 17191 -83.7 -91.7 23 8.0 -83.7 300 41 377.2 377.2 301.8 377.2 0.00 WND 167 13576 -61.5 -76.5 12 15.0 -61.6 280 70 353.2 353.2 297.3 353.2 0.01 Sounding variables and indices 1000-500 mb thick: 5770.00 m Freezing level: 561.00 mb = 4978.84 m = 16334.59 ft Wetbulb zero: 686.82 mb = 3328.11 m = 10918.87 ft Precipitable water: 1.68 inches Sfc-500 mean rel hum: 54.72 % Est. max temperature: 31.91 C = 89.44 F Sfc-Lift cond lev (LCL): 1002.10 mb = 102.10 m = 334.98 ft T: 24.45 C 700-500 lapse rate: 6.07 C/km ThetaE index: 20.68 C Layer 742.0- 713.0 mb Conv cond level (CCL): 842.38 mb = 1609.81 m = 5281.46 ft Mean mixing ratio: 14.28 g/kg Conv temperature: 32.25 C = 90.06 F Cap Strength: 3.14 C Lifted Index: -0.46 C Risk: Thunderstorms probable Lifted Index @300 mb: 0.58 C Lifted Index @700 mb: 1.80 C Showalter Index: -0.05 C Risk: Thunderstorms probable Total Totals Index: 44.60 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.70 C Cross Totals Index: 20.90 C K Index: 32.30 Risk: 60-80 % chance of thunderstorms Sweat Index: 201.20 Risk: None Energy Index: -0.59 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 51.14 J/kg Max Up Vert Vel: 10.11 m/s Conv Inhibition (B-): 242.46 J/kg Cap Strength: 2.99 C Lift Cond Lev (LCL): 890.79 mb = 1128.38 m = 3701.99 ft Lev Free Conv (LFC): 545.79 mb = 5198.16 m = 17054.11 ft Equ Level (EL): 425.79 mb = 7128.09 m = 23385.84 ft B at Equ Level: 48.85 J/kg Max Parcel Lev (MPL): 285.79 mb = 10039.67 m = 32938.15 ft Wind level data Storm motion: 269 at 6 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 1012 18 100 6 -5.9 1.0 | 94 12 -12.3 0.9 1 1000 120 100 11 -10.8 1.9 | 96 17 -17.2 1.8 2 979 305 100 14 -13.8 2.4 | 96 20 -20.2 2.3 3 946 610 55 7 -5.7 -4.0 | 71 13 -12.1 -4.2 4 925 803 90 3 -3.0 0.0 | 89 9 -9.4 -0.1 5 913 914 50 2 -1.5 -1.3 | 80 8 -7.9 -1.4 6 851 1524 85 6 -6.0 -0.5 | 87 12 -12.4 -0.7 7 850 1533 85 6 -6.0 -0.5 | 87 12 -12.4 -0.7 8 792 2134 140 6 -3.9 4.6 | 113 11 -10.3 4.5 9 763 2438 200 10 3.4 9.4 | 162 10 -3.0 9.3 10 710 3048 30 5 -2.5 -4.3 | 63 10 -8.9 -4.5 11 700 3170 30 5 -2.5 -4.3 | 63 10 -8.9 -4.5 12 611 4267 270 7 7.0 -0.0 | 284 1 0.6 -0.1 13 589 4572 225 13 9.2 9.2 | 197 9 2.8 9.0 14 567 4877 250 17 16.0 5.8 | 239 11 9.6 5.7 15 506 5791 275 10 10.0 -0.9 | 286 4 3.5 -1.0 16 500 5890 265 14 13.9 1.2 | 262 8 7.5 1.1 17 468 6401 265 23 22.9 2.0 | 264 17 16.5 1.9 18 432 7010 285 19 18.4 -4.9 | 293 13 11.9 -5.1 19 415 7315 270 16 16.0 -0.0 | 271 10 9.6 -0.1 20 400 7600 290 14 13.2 -4.8 | 306 8 6.7 -4.9 21 399 7620 290 14 13.2 -4.8 | 306 8 6.7 -4.9 22 367 8230 295 17 15.4 -7.2 | 309 12 9.0 -7.3 23 352 8534 280 13 12.8 -2.3 | 291 7 6.4 -2.4 24 338 8839 285 16 15.5 -4.1 | 295 10 9.0 -4.3 25 311 9449 275 24 23.9 -2.1 | 277 18 17.5 -2.2 26 300 9700 285 21 20.3 -5.4 | 292 15 13.9 -5.6 27 285 10058 280 20 19.7 -3.5 | 285 14 13.3 -3.6 28 250 10960 285 51 49.3 -13.2 | 287 45 42.8 -13.3 29 250 10973 285 51 49.3 -13.2 | 287 45 42.8 -13.3 30 208 12192 285 59 57.0 -15.3 | 287 53 50.6 -15.4 31 200 12440 290 61 57.3 -20.9 | 292 55 50.9 -21.0 32 167 13576 280 70 68.9 -12.2 | 281 64 62.5 -12.3 33 163 13716 280 70 68.9 -12.2 | 281 64 62.5 -12.3 34 150 14230 275 65 64.8 -5.7 | 276 59 58.3 -5.8 35 120 15545 270 45 45.0 -0.0 | 270 39 38.6 -0.1 36 108 16154 285 35 33.8 -9.1 | 289 29 27.4 -9.2 37 100 16600 290 43 40.4 -14.7 | 294 37 34.0 -14.8 38 97 16764 290 43 40.4 -14.7 | 294 37 34.0 -14.8 39 90 17191 300 41 35.5 -20.5 | 305 36 29.1 -20.6 40 87 17374 300 45 39.0 -22.5 | 305 40 32.6 -22.6 41 78 17983 255 10 9.7 2.6 | 233 4 3.2 2.4 42 74 18288 285 6 5.8 -1.6 | 20 2 -0.6 -1.7 43 70 18620 330 15 7.5 -13.0 | 355 13 1.1 -13.1 44 67 18898 335 15 6.3 -13.6 | 0 14 -0.1 -13.7 45 63 19202 260 12 11.8 2.1 | 250 6 5.4 1.9 46 57 19812 100 13 -12.8 2.3 | 96 19 -19.2 2.1 47 54 20117 65 16 -14.5 -6.8 | 72 22 -20.9 -6.9 48 52 20422 40 17 -10.9 -13.0 | 53 22 -17.3 -13.2 49 50 20610 75 11 -10.6 -2.8 | 80 17 -17.0 -3.0 50 49 20726 60 16 -13.9 -8.0 | 68 22 -20.3 -8.1 51 47 21031 90 14 -14.0 0.0 | 90 20 -20.4 -0.1 52 44 21336 60 12 -10.4 -6.0 | 70 18 -16.8 -6.1 53 42 21641 95 13 -13.0 1.1 | 93 19 -19.4 1.0 54 40 21946 115 15 -13.6 6.3 | 107 21 -20.0 6.2 55 38 22250 95 18 -17.9 1.6 | 93 24 -24.3 1.4 56 31 23470 105 27 -26.1 7.0 | 102 33 -32.5 6.8 57 30 23750 95 32 -31.9 2.8 | 94 38 -38.3 2.6 58 30 23774 95 27 -26.9 2.4 | 94 33 -33.3 2.2 59 27 24384 105 31 -29.9 8.0 | 102 37 -36.4 7.9 60 26 24689 85 34 -33.9 -3.0 | 86 40 -40.3 -3.1 61 20 26340 100 33 -32.5 5.7 | 98 39 -38.9 5.6 62 19 26518 90 34 -34.0 0.0 | 90 40 -40.4 -0.1 63 16 27127 110 37 -34.8 12.7 | 107 43 -41.2 12.5 64 11 28346 85 37 -36.9 -3.2 | 86 43 -43.3 -3.4 65 10 28956 95 39 -38.9 3.4 | 94 45 -45.3 3.3 Wind Parameters Mean winds (0-6000m): 238.7 at 8.6 knts Storm direction: 268.7 at 6.4 knts Shear (0-3000m) pos: 1.9 neg: 2.7 tot: 4.6 10-3/s Storm rel Dir Shear (0-3000m): -27.9 deg Storm rel helicity (0-3000m) pos: 57.2 neg: -99.5 tot: -42.3 m^2/s^2 ave: -14.1 10^-3 m/s^2 rel: -0.14 Storm rel vorticity (0-3000m) horiz: 11.1 stream: -1.6 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 1.09 Bulk Shear: 47.08 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 95 11 93 18| 0.0 5.2 5.2| 2.2 -28.6 -26.4 -52.8 -0.36| 15.7 -5.7 1000 88 8 88 14| 0.0 2.3 2.3| 11.3 -35.7 -24.4 -24.4 -0.19| 12.9 -2.5 1500 86 7 87 13| 1.3 1.5 2.9| 15.6 -35.7 -20.1 -13.4 -0.12| 10.0 -1.2 2000 91 6 90 13| 1.5 1.2 2.7| 30.4 -35.7 -5.3 -2.7 0.04| 8.7 0.3 2500 106 7 97 13| 2.3 0.9 3.2| 57.2 -43.1 14.1 5.6 0.17| 9.6 1.6 3000 109 7 99 13| 1.9 2.7 4.6| 57.2 -99.5 -42.3 -14.1 -0.14| 11.1 -1.6 4000 93 7 91 13| 1.4 2.3 3.7| 57.2-113.2 -56.1 -14.0 -0.21| 9.6 -2.1 5000 171 8 134 11| 1.1 1.5 2.6| 76.9-117.5 -40.6 -8.1 -0.15| 9.9 -1.5 6000 239 9 192 4| 0.5 1.6 2.1| 84.5-120.3 -35.8 -6.0 -0.12| 9.4 -1.1 Wrote GIF file: /home/apache/climate/data/raob//NFFN/skewt/NFFN.skewt.20251217.11.gif