UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121323.upa.cvt Date: 2300Z 13 DEC 25 Searching for NFFN... Searching the city database file for: NFFN ... Date:2300Z 13 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 26.8 22.5 77 4.3 23.7 300 2 299.0 302.1 296.4 349.2 17.22 1 1000 109 25.8 22.1 80 3.7 23.2 30 3 299.0 302.0 296.3 348.4 16.98 2 925 794 21.2 18.4 84 2.8 19.2 15 21 301.0 303.7 295.2 343.7 14.55 3 899 1041 19.2 17.5 90 1.7 18.1 7 20 301.4 304.0 295.0 343.0 14.14 4 850 1523 16.6 15.3 92 1.3 15.7 355 20 303.5 305.9 294.8 342.1 12.97 5 773 2329 12.6 11.5 93 1.1 11.9 359 19 307.6 309.7 294.6 341.2 11.10 6 700 3160 10.0 6.7 80 3.3 8.0 10 14 313.6 315.2 294.6 341.0 8.83 7 677 3437 8.6 4.5 75 4.1 6.2 4 13 315.0 316.5 294.2 339.5 7.83 8 583 4658 0.4 0.0 97 0.4 0.2 15 6 319.2 320.5 294.4 340.2 6.58 9 500 5880 -4.9 -5.2 98 0.3 -5.1 350 10 327.1 328.1 295.4 344.3 5.20 10 413 7366 -12.9 -14.0 91 1.1 -13.3 3 11 335.1 335.8 295.7 346.1 3.14 11 400 7610 -14.5 -15.7 91 1.2 -15.0 5 11 336.1 336.7 295.7 346.0 2.82 12 300 9730 -29.1 -31.5 80 2.4 -29.6 315 16 344.4 344.6 296.1 347.9 0.92 13 278 10271 -33.3 -36.3 74 3.0 -33.7 317 18 345.9 346.0 296.3 348.3 0.62 14 253 10928 -38.5 -42.5 66 4.0 -38.9 306 26 347.6 347.7 296.4 349.1 0.36 15 250 11010 -39.3 -43.0 68 3.7 -39.6 305 27 347.6 347.7 296.4 349.0 0.34 16 233 11487 -43.7 -45.6 81 1.9 -43.9 301 30 348.0 348.1 296.4 349.2 0.28 17 224 11749 -45.9 -50.4 60 4.5 -46.2 295 33 348.6 348.6 296.5 349.3 0.17 18 213 12081 -49.3 -51.1 81 1.8 -49.4 289 37 348.4 348.4 296.4 349.0 0.16 19 210 12174 -49.9 -54.4 59 4.5 -50.1 287 39 348.8 348.9 296.5 349.3 0.11 20 203 12394 -52.1 -56.7 58 4.6 -52.2 282 42 348.8 348.8 296.4 349.1 0.09 21 200 12490 -52.7 -57.1 59 4.4 -52.8 280 43 349.3 349.3 296.5 349.7 0.08 22 171 13481 -61.3 -64.0 70 2.7 -61.3 278 50 351.1 351.1 296.9 351.2 0.04 23 154 14122 -67.3 -72.0 51 4.7 -67.4 276 57 351.5 351.5 297.0 351.6 0.01 24 150 14280 -68.1 -74.1 42 6.0 -68.1 275 59 352.8 352.8 297.3 352.8 0.01 25 148 14360 -68.6 -74.8 41 6.1 -68.7 275 59 353.2 353.2 297.3 353.3 0.01 26 125 15355 -75.3 -83.3 28 8.0 -75.3 267 57 358.6 358.6 298.4 358.6 0.00 27 123 15448 -74.5 -84.5 20 10.0 -74.5 266 57 361.7 361.7 299.0 361.7 0.00 28 100 16630 -81.7 -87.7 35 6.0 -81.7 325 18 369.9 369.9 300.5 369.9 0.00 29 93 17034 -84.5 -89.5 41 5.0 -84.5 305 16 372.1 372.1 300.9 372.1 0.00 30 84 17597 -84.3 -89.1 42 4.8 -84.3 337 13 383.5 383.5 302.8 383.5 0.00 31 70 18630 -75.3 -87.3 14 12.0 -75.3 80 14 423.3 423.3 308.1 423.3 0.00 32 67 18885 -73.5 -87.5 10 14.0 -73.6 90 15 432.5 432.5 309.1 432.5 0.00 33 50 20630 -66.1 -90.1 2 24.0 -66.4 85 30 487.7 487.7 314.1 487.7 0.00 34 49 20752 -65.7 -89.7 2 24.0 -66.0 83 30 491.5 491.5 314.3 491.5 0.00 35 47 21005 -66.7 -90.7 2 24.0 -67.0 80 30 495.0 495.0 314.6 495.0 0.00 36 30 23760 -60.1 -89.1 1 29.0 -61.0 90 37 580.8 580.8 319.7 580.8 0.00 37 25 24897 -58.9 -88.9 1 30.0 -60.1 94 38 615.3 615.3 321.3 615.4 0.01 38 24 25153 -59.3 -88.3 1 29.0 -60.5 96 38 621.4 621.4 321.6 621.4 0.01 39 20 26310 -52.5 -86.5 1 34.0 -55.3 95 44 675.5 675.5 323.6 675.6 0.01 40 16 27751 -52.9 -86.9 1 34.0 -56.1 95 47 718.7 718.7 325.0 718.8 0.01 41 12 29634 -46.5 -84.5 1 38.0 -52.8 94 36 803.0 803.0 327.3 803.2 0.03 TRP 93 17034 -84.5 -89.5 41 5.0 -84.5 305 16 372.1 372.1 300.9 372.1 0.00 WND 148 14360 -68.6 -74.8 41 6.1 -68.7 275 59 353.2 353.2 297.3 353.3 0.01 Sounding variables and indices 1000-500 mb thick: 5771.00 m Freezing level: 576.74 mb = 4749.78 m = 15583.08 ft Wetbulb zero: 579.92 mb = 4699.65 m = 15418.61 ft Precipitable water: 2.39 inches Sfc-500 mean rel hum: 88.99 % Est. max temperature: 30.84 C = 87.52 F Sfc-Lift cond lev (LCL): 949.98 mb = 559.85 m = 1836.75 ft T: 22.77 C 700-500 lapse rate: 5.48 C/km ThetaE index: 9.69 C Layer 1000.0- 583.0 mb Conv cond level (CCL): 897.85 mb = 1052.12 m = 3451.80 ft Mean mixing ratio: 15.71 g/kg Conv temperature: 29.24 C = 84.63 F Cap Strength: 1.06 C Lifted Index: -0.53 C Risk: Thunderstorms probable Lifted Index @300 mb: 1.47 C Lifted Index @700 mb: 0.49 C Showalter Index: 1.06 C Risk: Showers probable Total Totals Index: 41.70 C Risk: None Vertical Totals Index: 21.50 C Cross Totals Index: 20.20 C K Index: 33.50 Risk: 60-80 % chance of thunderstorms Sweat Index: 233.60 Risk: None Energy Index: 0.35 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 117.03 J/kg Max Up Vert Vel: 15.30 m/s Conv Inhibition (B-): 8.97 J/kg Cap Strength: 1.06 C Lift Cond Lev (LCL): 916.66 mb = 872.51 m = 2862.55 ft Lev Free Conv (LFC): 861.66 mb = 1405.87 m = 4612.37 ft Equ Level (EL): 721.66 mb = 2904.59 m = 9529.36 ft B at Equ Level: 21.45 J/kg Max Parcel Lev (MPL): 281.66 mb = 10178.37 m = 33393.19 ft Wind level data Storm motion: 34 at 9 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 18 300 2 1.7 -1.0 | 225 10 6.9 6.9 1 1000 109 30 3 -1.5 -2.6 | 215 6 3.7 5.3 2 978 305 35 8 -4.6 -6.6 | 205 1 0.6 1.3 3 945 610 20 20 -6.8 -18.8 | 8 11 -1.6 -10.9 4 925 794 15 21 -5.4 -20.3 | 1 12 -0.2 -12.4 5 912 914 10 20 -3.5 -19.7 | 352 12 1.7 -11.8 6 850 1523 355 20 1.7 -19.9 | 330 14 7.0 -12.1 7 850 1524 355 20 1.7 -19.9 | 330 14 7.0 -12.1 8 791 2134 350 22 3.8 -21.7 | 327 16 9.0 -13.8 9 709 3048 35 8 -4.6 -6.6 | 205 1 0.6 1.3 10 700 3160 10 14 -2.4 -13.8 | 335 7 2.8 -5.9 11 684 3353 10 14 -2.4 -13.8 | 335 7 2.8 -5.9 12 658 3658 345 11 2.8 -10.6 | 289 9 8.1 -2.8 13 634 3962 355 11 1.0 -11.0 | 297 7 6.2 -3.1 14 610 4267 20 6 -2.1 -5.6 | 235 4 3.2 2.2 15 525 5486 5 6 -0.5 -6.0 | 248 5 4.7 1.9 16 500 5880 350 10 1.7 -9.8 | 286 7 6.9 -2.0 17 400 7610 5 11 -1.0 -11.0 | 306 5 4.3 -3.1 18 399 7620 5 11 -1.0 -11.0 | 306 5 4.3 -3.1 19 383 7925 5 11 -1.0 -11.0 | 306 5 4.3 -3.1 20 368 8230 340 14 4.8 -13.2 | 298 11 10.0 -5.3 21 325 9144 340 12 4.1 -11.3 | 290 10 9.3 -3.4 22 300 9730 315 16 11.3 -11.3 | 282 17 16.5 -3.5 23 299 9754 310 13 10.0 -8.4 | 272 15 15.2 -0.5 24 286 10058 320 16 10.3 -12.3 | 286 16 15.5 -4.4 25 250 11010 305 27 22.1 -15.5 | 286 28 27.3 -7.6 26 240 11278 305 27 22.1 -15.5 | 286 28 27.3 -7.6 27 200 12490 280 43 42.3 -7.5 | 270 48 47.6 0.4 28 190 12802 280 43 42.3 -7.5 | 270 48 47.6 0.4 29 150 14280 275 59 58.8 -5.1 | 268 64 64.0 2.7 30 148 14360 275 59 58.8 -5.1 | 268 64 64.0 2.7 31 141 14630 275 59 58.8 -5.1 | 268 64 64.0 2.7 32 121 15545 265 57 56.8 5.0 | 258 63 62.0 12.8 33 114 15850 255 25 24.1 6.5 | 244 33 29.4 14.3 34 103 16459 285 12 11.6 -3.1 | 254 17 16.8 4.8 35 100 16630 325 18 10.3 -14.7 | 294 17 15.5 -6.9 36 98 16764 325 18 10.3 -14.7 | 294 17 15.5 -6.9 37 93 17034 305 16 13.1 -9.2 | 274 18 18.3 -1.3 38 92 17069 320 19 12.2 -14.6 | 291 19 17.4 -6.7 39 88 17374 295 13 11.8 -5.5 | 262 17 17.0 2.4 40 79 17983 45 12 -8.5 -8.5 | 79 3 -3.3 -0.6 41 70 18630 80 14 -13.8 -2.4 | 122 10 -8.6 5.4 42 57 19812 125 17 -13.9 9.8 | 154 20 -8.7 17.6 43 55 20117 125 11 -9.0 6.3 | 165 15 -3.8 14.2 44 50 20630 85 30 -29.9 -2.6 | 102 25 -24.7 5.2 45 47 21031 80 30 -29.5 -5.2 | 96 24 -24.3 2.6 46 45 21336 95 18 -17.9 1.6 | 127 16 -12.7 9.4 47 42 21641 100 21 -20.7 3.6 | 127 19 -15.5 11.5 48 40 21946 75 31 -29.9 -8.0 | 90 25 -24.7 -0.2 49 37 22555 70 38 -35.7 -13.0 | 80 31 -30.5 -5.1 50 33 23165 70 25 -23.5 -8.6 | 88 18 -18.3 -0.7 51 30 23760 90 37 -37.0 0.0 | 104 33 -31.8 7.9 52 30 23774 90 39 -39.0 0.0 | 103 35 -33.8 7.9 53 27 24384 90 37 -37.0 0.0 | 104 33 -31.8 7.9 54 20 26213 105 39 -37.7 10.1 | 119 37 -32.5 18.0 55 20 26310 95 44 -43.8 3.8 | 107 40 -38.6 11.7 56 16 27127 95 47 -46.8 4.1 | 106 43 -41.6 12.0 57 15 27432 90 43 -43.0 0.0 | 102 39 -37.8 7.9 58 12 28042 100 37 -36.4 6.4 | 115 34 -31.2 14.3 59 10 28651 70 33 -31.0 -11.3 | 82 26 -25.8 -3.4 60 8 29566 65 22 -19.9 -9.3 | 84 15 -14.7 -1.4 Wind Parameters Mean winds (0-6000m): 3.5 at 12.6 knts Storm direction: 33.5 at 9.4 knts Shear (0-3000m) pos: 2.8 neg: 2.1 tot: 4.9 10-3/s Storm rel Dir Shear (0-3000m): -11.7 deg Storm rel helicity (0-3000m) pos: 12.1 neg: -36.3 tot: -24.2 m^2/s^2 ave: -8.1 10^-3 m/s^2 rel: -0.09 Storm rel vorticity (0-3000m) horiz: 9.2 stream: -0.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 21.56 Bulk Shear: 5.43 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 28 8 236 2| 16.8 0.0 16.8| 0.1 -3.4 -3.3 -6.6 0.20| 20.2 4.0 1000 18 14 351 5| 8.4 3.3 11.7| 0.1 -18.7 -18.6 -18.6 -0.04| 14.6 -0.6 1500 11 16 345 8| 5.6 3.4 9.0| 0.1 -32.4 -32.3 -21.5 -0.16| 11.2 -1.8 2000 5 17 339 10| 4.2 3.1 7.3| 0.1 -35.2 -35.1 -17.6 -0.17| 9.0 -1.5 2500 3 18 337 11| 3.4 2.5 5.9| 10.8 -35.9 -25.1 -10.0 -0.06| 9.0 -0.6 3000 4 17 335 10| 2.8 2.1 4.9| 12.1 -36.3 -24.2 -8.1 -0.09| 9.2 -0.8 4000 3 16 330 9| 2.2 2.5 4.8| 14.2 -48.0 -33.9 -8.5 -0.08| 9.1 -0.7 5000 4 14 324 7| 2.1 2.1 4.2| 14.9 -52.4 -37.5 -7.5 -0.12| 7.9 -0.9 6000 4 13 317 6| 1.7 2.1 3.9| 21.1 -52.4 -31.3 -5.2 -0.06| 7.0 -0.4 Wrote GIF file: /home/apache/climate/data/raob//NFFN/skewt/NFFN.skewt.20251213.23.gif