UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120723.upa.cvt Date: 2300Z 7 DEC 25 Searching for NFFN... Searching the city database file for: NFFN ... Date:2300Z 7 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 1007 18 27.8 20.8 66 7.0 22.8 280 9 300.4 303.2 295.7 345.9 15.54 1 1000 75 26.4 20.4 70 6.0 22.2 275 9 299.5 302.3 295.3 344.1 15.26 2 998 93 26.0 20.0 70 6.0 21.8 275 9 299.3 302.0 295.0 342.8 14.91 3 925 759 21.2 18.1 82 3.1 19.1 25 2 301.0 303.6 295.0 342.9 14.27 4 850 1487 16.4 14.2 87 2.2 15.0 100 7 303.3 305.6 294.1 339.1 12.07 5 812 1875 13.4 12.5 94 0.9 12.8 49 7 304.1 306.2 293.8 337.8 11.29 6 801 1991 14.4 9.4 72 5.0 11.3 32 7 306.4 308.1 292.9 334.4 9.28 7 759 2445 11.6 7.7 77 3.9 9.2 340 7 308.1 309.8 293.0 334.7 8.72 8 726 2818 11.4 0.4 47 11.0 5.5 303 8 311.8 312.9 291.4 328.8 5.43 9 700 3122 8.8 -0.2 53 9.0 4.0 300 9 312.2 313.3 291.5 329.1 5.39 10 617 4153 1.6 -13.4 32 15.0 -4.3 274 10 315.4 315.9 289.6 322.7 2.20 11 566 4842 -3.7 -9.7 63 6.0 -6.2 304 22 317.1 317.7 291.0 327.6 3.24 12 561 4912 -4.1 -16.1 39 12.0 -8.4 305 22 317.4 317.8 289.9 323.9 1.94 13 551 5054 -5.3 -13.3 53 8.0 -8.4 301 21 317.6 318.1 290.5 325.8 2.49 14 542 5183 -5.9 -19.9 32 14.0 -10.4 297 20 318.4 318.7 289.8 323.4 1.45 15 514 5597 -9.1 -32.1 14 23.0 -14.2 286 18 319.4 319.5 289.1 321.2 0.50 16 500 5810 -11.1 -34.1 13 23.0 -15.8 295 18 319.5 319.6 289.0 321.0 0.43 17 433 6897 -19.9 -30.9 37 11.0 -22.1 331 34 321.7 321.9 290.0 324.1 0.67 18 413 7246 -22.5 -46.5 9 24.0 -25.2 325 32 322.8 322.8 289.8 323.3 0.14 19 400 7480 -24.7 -46.7 11 22.0 -27.1 320 31 322.9 322.9 289.8 323.4 0.14 20 390 7663 -26.5 -48.5 11 22.0 -28.6 315 31 322.9 322.9 289.8 323.3 0.12 21 368 8081 -28.3 -58.3 4 30.0 -30.4 316 33 325.9 325.9 290.6 326.0 0.04 22 344 8560 -31.9 -58.9 5 27.0 -33.5 318 36 327.3 327.4 291.0 327.5 0.04 23 330 8853 -33.1 -62.1 4 29.0 -34.7 319 37 329.6 329.6 291.6 329.7 0.03 24 326 8938 -33.3 -58.3 6 25.0 -34.8 319 38 330.5 330.5 291.9 330.7 0.04 25 324 8981 -33.1 -41.1 45 8.0 -34.0 319 38 331.3 331.4 292.4 332.6 0.32 26 318 9112 -34.5 -47.5 26 13.0 -35.6 320 39 331.2 331.2 292.2 331.8 0.16 27 317 9134 -34.5 -45.5 32 11.0 -35.5 320 39 331.5 331.5 292.3 332.3 0.21 28 316 9156 -34.1 -34.1 100 0.0 -34.1 320 39 332.3 332.5 293.0 334.8 0.68 29 314 9201 -33.1 -36.0 75 2.9 -33.5 317 40 334.3 334.4 293.4 336.5 0.56 30 309 9314 -33.7 -37.0 72 3.3 -34.1 312 41 335.0 335.1 293.6 337.0 0.52 31 300 9520 -35.1 -38.3 72 3.2 -35.5 300 41 335.9 336.0 293.7 337.7 0.47 32 297 9590 -35.7 -38.5 75 2.8 -36.0 300 41 336.0 336.1 293.8 337.8 0.46 33 287 9827 -35.7 -40.1 64 4.4 -36.2 301 43 339.3 339.4 294.6 340.9 0.41 34 282 9948 -36.5 -42.5 54 6.0 -37.1 303 45 339.9 340.0 294.6 341.1 0.32 35 279 10022 -36.9 -58.9 8 22.0 -38.1 304 47 340.4 340.4 294.4 340.6 0.05 36 272 10197 -38.1 -71.1 2 33.0 -39.3 307 51 341.1 341.1 294.6 341.1 0.01 37 257 10583 -40.9 -66.9 4 26.0 -41.9 302 59 342.5 342.5 295.0 342.6 0.02 38 255 10636 -41.3 -58.3 14 17.0 -42.1 300 60 342.7 342.7 295.0 343.0 0.06 39 252 10716 -41.7 -48.7 47 7.0 -42.2 297 62 343.3 343.3 295.3 344.0 0.18 40 251 10743 -41.7 -44.9 71 3.2 -42.0 296 62 343.7 343.7 295.4 344.8 0.28 41 250 10770 -41.7 -45.5 66 3.8 -42.0 295 63 344.1 344.1 295.6 345.1 0.26 42 230 11336 -43.5 -48.5 58 5.0 -43.9 290 63 349.6 349.7 296.7 350.5 0.20 43 226 11454 -43.7 -51.7 41 8.0 -44.2 289 65 351.1 351.1 297.0 351.7 0.14 44 217 11727 -45.5 -79.5 1 34.0 -46.2 288 70 352.4 352.4 297.1 352.4 0.00 45 200 12270 -48.5 -75.5 3 27.0 -49.1 285 74 356.0 356.0 297.9 356.0 0.01 46 174 13171 -53.5 -80.5 2 27.0 -53.9 290 83 362.1 362.1 299.1 362.1 0.00 47 150 14110 -58.9 -85.9 2 27.0 -59.1 280 75 368.6 368.6 300.3 368.6 0.00 48 137 14675 -62.3 -87.3 2 25.0 -62.4 280 74 372.3 372.3 300.9 372.3 0.00 49 100 16550 -78.1 -90.1 13 12.0 -78.1 325 54 376.8 376.8 301.7 376.8 0.00 50 96 16781 -79.3 -91.3 12 12.0 -79.3 320 55 378.9 378.9 302.1 378.9 0.00 51 90 17149 -75.7 -90.7 8 15.0 -75.7 320 52 393.1 393.1 304.2 393.1 0.00 52 80 17823 -78.7 -89.7 15 11.0 -78.7 265 17 400.4 400.4 305.3 400.4 0.00 53 76 18116 -75.1 -88.1 11 13.0 -75.2 323 16 413.9 413.9 307.0 413.9 0.00 54 71 18508 -76.5 -89.5 11 13.0 -76.6 17 19 419.0 419.0 307.6 419.0 0.00 55 70 18590 -74.7 -88.7 10 14.0 -74.7 10 18 424.6 424.6 308.2 424.6 0.00 56 66 18934 -73.1 -89.1 7 16.0 -73.2 11 19 435.3 435.3 309.4 435.3 0.00 57 65 19024 -73.5 -90.5 6 17.0 -73.6 23 20 436.3 436.3 309.5 436.3 0.00 58 56 19913 -66.1 -91.1 2 25.0 -66.3 35 24 472.2 472.2 312.8 472.2 0.00 59 50 20600 -67.3 -90.3 2 23.0 -67.5 95 17 484.9 484.9 313.8 484.9 0.00 60 48 20846 -67.5 -91.5 2 24.0 -67.7 88 22 490.1 490.1 314.2 490.1 0.00 61 40 21944 -67.5 -91.5 2 24.0 -67.8 93 33 516.3 516.3 316.1 516.4 0.00 62 36 22583 -64.9 -90.9 2 26.0 -65.3 108 28 538.9 538.9 317.5 538.9 0.00 63 33 23121 -58.9 -88.9 1 30.0 -59.9 88 37 568.4 568.4 319.0 568.4 0.00 64 30 23720 -58.3 -88.3 1 30.0 -59.4 75 44 585.7 585.7 319.9 585.7 0.01 65 24 25133 -55.5 -86.5 1 31.0 -57.3 71 41 632.4 632.4 322.0 632.5 0.01 66 22 25686 -56.1 -87.1 1 31.0 -57.9 76 38 646.6 646.6 322.6 646.6 0.01 67 20 26300 -50.5 -84.5 1 34.0 -53.8 105 28 681.6 681.6 323.8 681.7 0.02 68 19 26636 -49.1 -84.1 1 35.0 -53.0 112 29 696.0 696.0 324.3 696.2 0.02 69 15 28199 -45.5 -82.5 1 37.0 -51.4 116 28 756.7 756.7 326.1 756.9 0.03 TRP 96 16781 -79.3 -91.3 12 12.0 -79.3 320 55 378.9 378.9 302.1 378.9 0.00 WND 174 13171 -53.5 -80.5 2 27.0 -53.9 290 83 362.1 362.1 299.1 362.1 0.00 Sounding variables and indices 1000-500 mb thick: 5735.00 m Freezing level: 601.60 mb = 4361.25 m = 14308.40 ft Wetbulb zero: 660.06 mb = 3602.08 m = 11817.70 ft Precipitable water: 1.63 inches Sfc-500 mean rel hum: 57.72 % Est. max temperature: 30.56 C = 87.00 F Sfc-Lift cond lev (LCL): 909.74 mb = 902.21 m = 2959.99 ft T: 20.26 C 700-500 lapse rate: 7.40 C/km ThetaE index: 8.51 C Layer 850.0- 759.0 mb Conv cond level (CCL): 864.06 mb = 1345.73 m = 4415.06 ft Mean mixing ratio: 14.54 g/kg Conv temperature: 30.33 C = 86.59 F Cap Strength: 1.48 C Lifted Index: -5.52 C Risk: Severe thunderstorms probable Lifted Index @300 mb: -2.78 C Lifted Index @700 mb: 0.23 C Showalter Index: -3.97 C Risk: Severe thunderstorms possible Total Totals Index: 52.80 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 27.50 C Cross Totals Index: 25.30 C K Index: 32.70 Risk: 60-80 % chance of thunderstorms Sweat Index: 278.40 Risk: None Energy Index: -3.50 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1291.05 J/kg Max Up Vert Vel: 50.81 m/s Conv Inhibition (B-): 24.97 J/kg Cap Strength: 1.48 C Lift Cond Lev (LCL): 896.40 mb = 1029.38 m = 3377.20 ft Lev Free Conv (LFC): 831.40 mb = 1674.86 m = 5494.88 ft Equ Level (EL): 801.40 mb = 1986.53 m = 6517.39 ft B at Equ Level: 8.79 J/kg Max Parcel Lev (MPL): 731.40 mb = 2755.56 m = 9040.43 ft Wind level data Storm motion: 330 at 8 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 1007 18 280 9 8.9 -1.6 | 225 7 5.0 5.0 1 1000 75 275 9 9.0 -0.8 | 222 8 5.1 5.8 2 974 305 280 3 3.0 -0.5 | 172 6 -0.9 6.1 3 941 610 285 1 1.0 -0.3 | 156 7 -2.9 6.3 4 925 759 25 2 -0.8 -1.8 | 136 7 -4.7 4.8 5 908 914 75 2 -1.9 -0.5 | 136 8 -5.8 6.1 6 850 1487 100 7 -6.9 1.2 | 126 13 -10.7 7.8 7 846 1524 100 7 -6.9 1.2 | 126 13 -10.7 7.8 8 787 2134 10 7 -1.2 -6.9 | 86 5 -5.0 -0.3 9 706 3048 280 8 7.9 -1.4 | 218 7 4.1 5.2 10 700 3122 300 9 7.8 -4.5 | 242 4 4.0 2.1 11 630 3962 285 4 3.9 -1.0 | 180 6 0.0 5.5 12 607 4267 265 15 14.9 1.3 | 235 14 11.1 7.9 13 584 4572 300 20 17.3 -10.0 | 284 14 13.5 -3.4 14 562 4877 305 22 18.0 -12.6 | 293 15 14.2 -6.0 15 501 5791 280 17 16.7 -3.0 | 254 13 12.9 3.6 16 500 5810 295 18 16.3 -7.6 | 275 13 12.5 -1.0 17 481 6096 305 20 16.4 -11.5 | 291 13 12.6 -4.9 18 444 6706 335 35 14.8 -31.7 | 336 27 11.0 -25.1 19 400 7480 320 31 19.9 -23.7 | 317 24 16.1 -17.2 20 392 7620 315 31 21.9 -21.9 | 310 24 18.1 -15.3 21 316 9144 320 39 25.1 -29.9 | 318 32 21.2 -23.3 22 303 9449 305 42 34.4 -24.1 | 300 35 30.6 -17.5 23 300 9520 300 41 35.5 -20.5 | 294 35 31.7 -13.9 24 290 9754 300 41 35.5 -20.5 | 294 35 31.7 -13.9 25 265 10363 310 55 42.1 -35.4 | 307 48 38.3 -28.8 26 250 10770 295 63 57.1 -26.6 | 291 57 53.3 -20.0 27 243 10973 295 63 57.1 -26.6 | 291 57 53.3 -20.0 28 232 11278 290 62 58.3 -21.2 | 285 56 54.4 -14.6 29 202 12192 285 79 76.3 -20.4 | 281 74 72.5 -13.9 30 200 12270 285 74 71.5 -19.2 | 281 69 67.7 -12.6 31 174 13171 290 83 78.0 -28.4 | 286 77 74.2 -21.8 32 168 13411 290 83 78.0 -28.4 | 286 77 74.2 -21.8 33 150 14110 280 75 73.9 -13.0 | 275 70 70.0 -6.4 34 138 14630 280 75 73.9 -13.0 | 275 70 70.0 -6.4 35 118 15545 290 55 51.7 -18.8 | 284 49 47.9 -12.2 36 102 16459 320 50 32.1 -38.3 | 318 43 28.3 -31.7 37 100 16550 325 54 31.0 -44.2 | 324 46 27.2 -37.7 38 96 16764 325 54 31.0 -44.2 | 324 46 27.2 -37.7 39 96 16781 320 55 35.4 -42.1 | 318 48 31.5 -35.6 40 91 17069 325 56 32.1 -45.9 | 324 48 28.3 -39.3 41 87 17374 305 40 32.8 -22.9 | 299 33 28.9 -16.4 42 82 17678 265 24 23.9 2.1 | 247 22 20.1 8.7 43 78 17983 265 10 10.0 0.9 | 219 10 6.1 7.5 44 74 18288 35 23 -13.2 -18.8 | 54 21 -17.0 -12.3 45 70 18590 10 18 -3.1 -17.7 | 32 13 -6.9 -11.1 46 66 18898 5 18 -1.6 -17.9 | 25 13 -5.4 -11.4 47 63 19202 45 22 -15.6 -15.6 | 65 21 -19.4 -9.0 48 60 19507 55 29 -23.8 -16.6 | 70 29 -27.6 -10.1 49 54 20117 25 21 -8.9 -19.0 | 46 18 -12.7 -12.5 50 52 20422 85 13 -13.0 -1.1 | 108 18 -16.8 5.4 51 50 20600 95 17 -16.9 1.5 | 111 22 -20.8 8.1 52 49 20726 80 21 -20.7 -3.6 | 97 25 -24.5 2.9 53 44 21336 120 26 -22.5 13.0 | 127 33 -26.3 19.6 54 42 21641 90 37 -37.0 0.0 | 99 41 -40.8 6.6 55 38 22250 95 30 -29.9 2.6 | 105 35 -33.7 9.2 56 36 22555 110 27 -25.4 9.2 | 118 33 -29.2 15.8 57 31 23470 75 42 -40.6 -10.9 | 84 45 -44.4 -4.3 58 30 23720 75 44 -42.5 -11.4 | 84 47 -46.3 -4.8 59 28 24079 80 44 -43.3 -7.6 | 89 47 -47.2 -1.1 60 27 24384 65 45 -40.8 -19.0 | 74 46 -44.6 -12.4 61 20 26213 80 35 -34.5 -6.1 | 91 38 -38.3 0.5 62 20 26300 105 28 -27.0 7.2 | 114 34 -30.9 13.8 63 17 26822 125 30 -24.6 17.2 | 130 37 -28.4 23.8 64 12 28346 100 25 -24.6 4.3 | 111 30 -28.4 10.9 Wind Parameters Mean winds (0-6000m): 299.9 at 10.1 knts Storm direction: 329.9 at 7.6 knts Shear (0-3000m) pos: 2.7 neg: 2.6 tot: 5.3 10-3/s Storm rel Dir Shear (0-3000m): -5.7 deg Storm rel helicity (0-3000m) pos: 0.7 neg: -41.9 tot: -41.1 m^2/s^2 ave: -13.7 10^-3 m/s^2 rel: -0.45 Storm rel vorticity (0-3000m) horiz: 7.0 stream: -3.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 272.50 Bulk Shear: 4.74 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 ------------------------------------------------------------------------------- 500 278 5 189 6| 7.6 0.0 7.6| 0.0 -12.2 -12.2 -24.4 -0.96| 7.8 -7.5 1000 290 3 173 6| 6.1 0.0 6.1| 0.5 -18.7 -18.2 -18.2 -0.80| 6.8 -5.5 1500 49 4 121 8| 5.5 0.0 5.5| 0.6 -21.6 -21.0 -14.0 -0.66| 6.1 -4.0 2000 61 5 119 9| 4.1 2.1 6.3| 0.6 -39.1 -38.4 -19.2 -0.67| 6.9 -4.6 2500 29 5 108 7| 3.3 2.7 6.0| 0.6 -40.7 -40.1 -16.0 -0.56| 6.9 -3.9 3000 1 6 104 4| 2.7 2.6 5.3| 0.7 -41.9 -41.1 -13.7 -0.45| 7.0 -3.1 4000 325 6 166 2| 2.3 1.9 4.1| 6.0 -47.8 -41.8 -10.4 -0.38| 6.4 -2.5 5000 304 8 237 4| 1.0 1.5 2.5| 64.1 -52.4 11.7 2.3 -0.03| 7.6 -0.2 6000 300 10 253 5| 1.2 1.2 2.4| 86.7 -80.0 6.7 1.1 -0.03| 7.6 -0.2 Wrote GIF file: /home/apache/climate/data/raob//NFFN/skewt/NFFN.skewt.20251207.23.gif