UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120623.upa.cvt Date: 2300Z 6 DEC 25 Searching for NFFN... Searching the city database file for: NFFN ... Date:2300Z 6 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 1008 18 28.8 20.8 62 8.0 23.1 290 6 301.3 304.1 296.0 346.9 15.52 1 1000 77 27.2 20.2 66 7.0 22.2 315 7 300.4 303.1 295.4 344.5 15.07 2 925 763 22.0 17.0 73 5.0 18.6 65 7 301.8 304.2 294.6 341.0 13.29 3 850 1493 16.8 14.1 84 2.7 15.0 50 11 303.7 306.0 294.1 339.4 11.99 4 845 1543 16.4 13.8 85 2.6 14.7 50 11 303.8 306.0 294.1 339.0 11.82 5 829 1707 16.6 13.4 81 3.2 14.5 46 11 305.7 307.9 294.6 340.9 11.74 6 739 2678 10.4 8.7 89 1.7 9.3 52 11 309.2 311.0 293.9 338.4 9.60 7 700 3129 8.0 4.1 76 3.9 5.8 355 16 311.3 312.7 292.8 334.1 7.36 8 680 3368 7.2 -2.8 49 10.0 2.1 360 19 313.0 313.9 291.0 327.5 4.58 9 606 4302 -0.3 -8.3 55 8.0 -3.8 315 25 314.9 315.5 290.5 325.7 3.37 10 589 4528 -2.1 -3.2 92 1.1 -2.7 311 30 315.4 316.3 292.2 331.7 5.13 11 577 4692 -1.9 -1.9 100 0.0 -1.9 306 30 317.4 318.6 293.3 335.9 5.78 12 534 5304 -5.3 -5.4 99 0.1 -5.4 283 27 320.5 321.4 293.3 336.1 4.80 13 527 5408 -4.5 -6.8 84 2.3 -5.6 279 27 322.7 323.5 293.6 337.0 4.36 14 500 5820 -6.7 -10.2 76 3.5 -8.2 265 29 324.9 325.6 293.5 336.6 3.52 15 473 6255 -8.3 -17.3 48 9.0 -11.5 262 35 328.1 328.5 293.2 335.3 2.08 16 471 6288 -8.3 -16.3 52 8.0 -11.2 262 34 328.5 328.9 293.4 336.3 2.27 17 444 6745 -12.1 -14.3 84 2.2 -12.9 267 28 329.3 329.9 294.1 339.0 2.85 18 438 6850 -12.1 -16.8 68 4.7 -13.8 268 26 330.6 331.0 294.0 338.7 2.34 19 400 7540 -17.7 -18.9 90 1.2 -18.1 290 34 332.0 332.4 294.2 339.5 2.15 20 395 7634 -18.7 -19.3 95 0.6 -18.9 293 34 331.9 332.3 294.1 339.2 2.10 21 370 8119 -21.1 -24.7 73 3.6 -22.0 307 32 335.0 335.2 294.3 340.0 1.40 22 341 8715 -26.1 -26.5 96 0.4 -26.2 315 31 336.1 336.3 294.5 340.7 1.29 23 300 9630 -32.7 -37.7 61 5.0 -33.4 295 39 339.3 339.4 294.6 341.2 0.50 24 298 9677 -32.9 -38.9 55 6.0 -33.7 296 40 339.7 339.7 294.7 341.4 0.44 25 288 9915 -35.1 -41.1 54 6.0 -35.8 299 42 339.8 339.9 294.6 341.3 0.36 26 264 10513 -40.7 -43.0 78 2.3 -40.9 302 49 340.2 340.3 294.7 341.5 0.32 27 259 10642 -41.7 -47.7 52 6.0 -42.1 300 50 340.6 340.6 294.7 341.4 0.20 28 250 10880 -44.1 -47.0 73 2.9 -44.3 295 53 340.5 340.5 294.7 341.4 0.22 29 248 10934 -44.7 -47.3 75 2.6 -44.9 294 54 340.4 340.4 294.6 341.3 0.22 30 226 11550 -49.1 -55.1 50 6.0 -49.3 289 67 342.8 342.8 295.1 343.2 0.10 31 221 11697 -49.5 -64.5 16 15.0 -49.9 287 70 344.4 344.4 295.4 344.5 0.03 32 213 11939 -49.9 -68.4 10 18.5 -50.4 285 75 347.4 347.4 296.1 347.5 0.02 33 203 12253 -50.5 -73.5 5 23.0 -51.0 283 74 351.3 351.3 296.9 351.3 0.01 34 200 12350 -51.1 -74.1 5 23.0 -51.5 280 73 351.8 351.9 297.0 351.9 0.01 35 179 13063 -53.9 -79.9 3 26.0 -54.2 284 66 358.6 358.6 298.4 358.6 0.00 36 150 14170 -63.1 -84.1 4 21.0 -63.2 300 55 361.4 361.4 299.0 361.4 0.00 37 128 15125 -71.9 -84.9 13 13.0 -71.9 300 59 362.3 362.3 299.1 362.3 0.00 38 112 15906 -74.7 -88.7 10 14.0 -74.7 274 59 371.2 371.2 300.8 371.2 0.00 39 100 16560 -77.1 -89.1 13 12.0 -77.1 280 43 378.8 378.8 302.1 378.8 0.00 40 95 16856 -76.5 -88.5 13 12.0 -76.5 279 39 385.5 385.5 303.1 385.5 0.00 41 82 17696 -80.9 -89.9 21 9.0 -80.9 340 15 393.1 393.1 304.2 393.1 0.00 42 70 18600 -75.9 -87.9 13 12.0 -75.9 75 7 422.0 422.0 307.9 422.0 0.00 43 59 19596 -72.3 -89.3 6 17.0 -72.4 32 17 451.2 451.2 311.0 451.3 0.00 44 51 20469 -64.7 -89.7 2 25.0 -65.0 70 26 488.2 488.2 314.1 488.3 0.00 45 50 20590 -64.9 -89.9 2 25.0 -65.2 60 23 490.5 490.5 314.2 490.6 0.00 46 45 21231 -65.9 -90.9 2 25.0 -66.2 70 18 503.1 503.1 315.2 503.1 0.00 47 30 23730 -59.7 -88.7 1 29.0 -60.6 85 31 581.9 581.9 319.8 581.9 0.00 48 26 24641 -54.1 -86.1 1 32.0 -56.1 79 32 622.1 622.1 321.6 622.2 0.01 49 23 25429 -54.9 -86.9 1 32.0 -56.9 76 33 641.9 642.0 322.4 642.0 0.01 50 20 26330 -52.7 -84.7 1 32.0 -55.5 100 33 674.9 674.9 323.6 675.0 0.02 51 17 27388 -49.3 -83.3 1 34.0 -53.4 98 36 717.9 717.9 325.0 718.1 0.02 TRP 82 17696 -80.9 -89.9 21 9.0 -80.9 340 15 393.1 393.1 304.2 393.1 0.00 WND 213 11939 -49.9 -68.4 10 18.5 -50.4 285 75 347.4 347.4 296.1 347.5 0.02 Sounding variables and indices 1000-500 mb thick: 5743.00 m Freezing level: 608.96 mb = 4264.27 m = 13990.23 ft Wetbulb zero: 653.38 mb = 3691.36 m = 12110.60 ft Precipitable water: 1.97 inches Sfc-500 mean rel hum: 76.93 % Est. max temperature: 31.08 C = 87.94 F Sfc-Lift cond lev (LCL): 897.66 mb = 1021.98 m = 3352.91 ft T: 20.16 C 700-500 lapse rate: 5.46 C/km ThetaE index: 15.17 C Layer 739.0- 589.0 mb Conv cond level (CCL): 846.25 mb = 1530.79 m = 5022.21 ft Mean mixing ratio: 14.08 g/kg Conv temperature: 31.36 C = 88.45 F Cap Strength: 1.71 C Lifted Index: -0.98 C Risk: Thunderstorms probable Lifted Index @300 mb: -0.20 C Lifted Index @700 mb: -0.52 C Showalter Index: 0.34 C Risk: Thunderstorms probable Total Totals Index: 44.30 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.50 C Cross Totals Index: 20.80 C K Index: 33.70 Risk: 60-80 % chance of thunderstorms Sweat Index: 220.20 Risk: None Energy Index: -0.62 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 308.11 J/kg Max Up Vert Vel: 24.82 m/s Conv Inhibition (B-): 61.06 J/kg Cap Strength: 1.71 C Lift Cond Lev (LCL): 878.46 mb = 1208.65 m = 3965.35 ft Lev Free Conv (LFC): 743.46 mb = 2627.02 m = 8618.74 ft Equ Level (EL): 233.46 mb = 11334.68 m = 37186.80 ft B at Equ Level: 306.48 J/kg Max Parcel Lev (MPL): 183.46 mb = 12905.13 m = 42339.14 ft Wind level data Storm motion: 356 at 13 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 1008 18 290 6 5.6 -2.1 | 204 12 4.7 10.6 1 1000 77 315 7 4.9 -4.9 | 207 9 4.0 7.7 2 974 305 340 5 1.7 -4.7 | 185 8 0.7 8.0 3 941 610 100 2 -2.0 0.3 | 167 13 -2.9 13.0 4 925 763 65 7 -6.3 -3.0 | 143 12 -7.3 9.7 5 909 914 70 6 -5.6 -2.1 | 148 13 -6.6 10.6 6 850 1493 50 11 -8.4 -7.1 | 121 11 -9.4 5.6 7 847 1524 50 11 -8.4 -7.1 | 121 11 -9.4 5.6 8 788 2134 35 11 -6.3 -9.0 | 117 8 -7.3 3.7 9 760 2438 60 11 -9.5 -5.5 | 124 13 -10.5 7.2 10 733 2743 50 11 -8.4 -7.1 | 121 11 -9.4 5.6 11 707 3048 355 16 1.4 -15.9 | 353 3 0.4 -3.2 12 700 3129 355 16 1.4 -15.9 | 353 3 0.4 -3.2 13 681 3353 360 19 -0.0 -19.0 | 9 6 -1.0 -6.3 14 631 3962 325 18 10.3 -14.7 | 282 10 9.3 -2.1 15 607 4267 315 25 17.7 -17.7 | 287 17 16.7 -5.0 16 584 4572 310 31 23.7 -19.9 | 288 24 22.8 -7.2 17 502 5791 265 25 24.9 2.2 | 238 28 23.9 14.9 18 500 5820 265 29 28.9 2.5 | 241 32 27.9 15.2 19 482 6096 260 37 36.4 6.4 | 242 40 35.5 19.1 20 428 7010 270 24 24.0 -0.0 | 241 26 23.0 12.7 21 400 7540 290 34 31.9 -11.6 | 268 31 31.0 1.1 22 349 8534 320 31 19.9 -23.7 | 300 22 18.9 -11.1 23 308 9449 295 33 29.9 -13.9 | 272 29 28.9 -1.3 24 300 9630 295 39 35.3 -16.5 | 276 35 34.4 -3.8 25 270 10363 305 47 38.5 -27.0 | 291 40 37.5 -14.3 26 250 10880 295 53 48.0 -22.4 | 282 48 47.1 -9.7 27 213 11939 285 75 72.4 -19.4 | 275 72 71.5 -6.7 28 205 12192 285 75 72.4 -19.4 | 275 72 71.5 -6.7 29 200 12350 280 73 71.9 -12.7 | 270 71 70.9 0.0 30 186 12802 280 71 69.9 -12.3 | 270 69 68.9 0.4 31 161 13716 295 51 46.2 -21.6 | 281 46 45.2 -8.9 32 154 14021 300 54 46.8 -27.0 | 287 48 45.8 -14.3 33 150 14170 300 55 47.6 -27.5 | 288 49 46.7 -14.8 34 125 15240 300 60 52.0 -30.0 | 289 54 51.0 -17.3 35 119 15545 285 62 59.9 -16.0 | 273 59 58.9 -3.4 36 107 16154 265 57 56.8 5.0 | 252 59 55.8 17.7 37 102 16459 280 35 34.5 -6.1 | 259 34 33.5 6.6 38 100 16560 280 43 42.3 -7.5 | 263 42 41.4 5.2 39 96 16764 280 42 41.4 -7.3 | 262 41 40.4 5.4 40 87 17374 270 19 19.0 -0.0 | 235 22 18.0 12.7 41 82 17678 335 15 6.3 -13.6 | 280 5 5.4 -0.9 42 82 17696 340 15 5.1 -14.1 | 289 4 4.2 -1.4 43 78 17983 340 15 5.1 -14.1 | 289 4 4.2 -1.4 44 74 18288 45 10 -7.1 -7.1 | 125 10 -8.0 5.6 45 70 18593 10 18 -3.1 -17.7 | 39 6 -4.1 -5.0 46 70 18600 75 7 -6.8 -1.8 | 145 13 -7.7 10.9 47 67 18898 95 10 -10.0 0.9 | 141 17 -10.9 13.6 48 63 19202 55 20 -16.4 -11.5 | 94 17 -17.4 1.2 49 57 19812 20 16 -5.5 -15.0 | 70 7 -6.4 -2.3 50 54 20117 95 16 -15.9 1.4 | 130 22 -16.9 14.1 51 51 20422 75 28 -27.0 -7.2 | 101 29 -28.0 5.4 52 50 20590 60 23 -19.9 -11.5 | 93 21 -20.9 1.2 53 47 21031 60 23 -19.9 -11.5 | 93 21 -20.9 1.2 54 44 21336 75 15 -14.5 -3.9 | 120 18 -15.5 8.8 55 42 21641 90 12 -12.0 0.0 | 134 18 -13.0 12.7 56 40 21946 145 20 -11.5 16.4 | 157 32 -12.4 29.1 57 38 22250 110 24 -22.6 8.2 | 132 31 -23.5 20.9 58 36 22555 95 34 -33.9 3.0 | 114 38 -34.8 15.7 59 31 23470 75 26 -25.1 -6.7 | 103 27 -26.1 6.0 60 30 23730 85 31 -30.9 -2.7 | 107 33 -31.9 10.0 61 28 24079 95 28 -27.9 2.4 | 118 33 -28.9 15.1 62 27 24384 80 32 -31.5 -5.6 | 102 33 -32.5 7.1 63 22 25603 75 33 -31.9 -8.5 | 97 33 -32.9 4.1 64 20 26330 100 33 -32.5 5.7 | 119 38 -33.5 18.4 65 19 26518 100 33 -32.5 5.7 | 119 38 -33.5 18.4 66 15 27432 95 39 -38.9 3.4 | 112 43 -39.8 16.1 67 14 27737 100 37 -36.4 6.4 | 117 42 -37.4 19.1 Wind Parameters Mean winds (0-6000m): 325.6 at 17.0 knts Storm direction: 355.6 at 12.7 knts Shear (0-3000m) pos: 2.5 neg: 3.1 tot: 5.6 10-3/s Storm rel Dir Shear (0-3000m): 177.5 deg Storm rel helicity (0-3000m) pos: 8.3 neg: -64.9 tot: -56.6 m^2/s^2 ave: -18.9 10^-3 m/s^2 rel: -0.53 Storm rel vorticity (0-3000m) horiz: 8.0 stream: -4.2 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 16.71 Bulk Shear: 18.44 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 ------------------------------------------------------------------------------- 500 332 5 190 8| 8.5 0.0 8.5| 0.0 -13.4 -13.4 -26.8 -0.51| 12.3 -6.2 1000 21 5 160 8| 6.2 0.0 6.2| 4.8 -32.9 -28.1 -28.1 -0.51| 10.4 -5.3 1500 42 6 146 9| 4.1 1.6 5.8| 4.8 -47.2 -42.4 -28.3 -0.60| 8.6 -5.1 2000 43 8 139 9| 3.1 1.5 4.6| 4.8 -48.8 -44.0 -22.0 -0.57| 7.0 -4.0 2500 44 8 135 9| 3.0 1.2 4.2| 8.3 -49.2 -40.9 -16.3 -0.45| 6.7 -3.0 3000 42 9 131 9| 2.5 3.1 5.6| 8.3 -64.9 -56.6 -18.9 -0.53| 8.0 -4.2 4000 18 11 113 5| 1.9 3.3 5.2| 9.6 -84.5 -74.8 -18.7 -0.55| 8.1 -4.5 5000 349 15 310 3| 1.5 3.8 5.3| 12.8-141.2-128.4 -25.7 -0.51| 8.7 -4.4 6000 326 17 279 9| 1.3 3.7 5.0| 18.3-229.1-210.8 -35.1 -0.51| 9.2 -4.7 Wrote GIF file: /home/apache/climate/data/raob//NFFN/skewt/NFFN.skewt.20251206.23.gif