UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120411.upa.cvt Date: 1100Z 4 DEC 25 Searching for NFFN... Searching the city database file for: NFFN ... Date:1100Z 4 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 1013 18 24.8 18.8 69 6.0 20.6 150 5 296.9 299.3 293.3 336.1 13.60 1 1002 109 25.8 18.8 65 7.0 20.9 112 11 298.8 301.3 294.0 338.8 13.75 2 1000 126 25.6 18.6 65 7.0 20.8 105 12 298.8 301.2 293.9 338.4 13.61 3 925 808 21.6 13.6 60 8.0 16.4 120 18 301.4 303.3 292.4 332.8 10.64 4 883 1211 20.0 8.0 46 12.0 12.7 144 13 303.8 305.2 290.7 326.7 7.64 5 850 1538 17.4 9.4 59 8.0 12.4 165 5 304.4 306.0 291.9 330.6 8.74 6 839 1649 17.0 7.0 52 10.0 11.0 164 4 305.1 306.5 291.0 327.7 7.51 7 820 1844 15.2 13.6 90 1.6 14.1 162 3 305.2 307.4 294.6 341.2 12.03 8 800 2053 15.0 10.2 73 4.8 12.0 161 2 307.1 309.0 293.5 336.8 9.82 9 791 2149 15.6 6.6 55 9.0 10.2 160 2 308.8 310.2 292.4 332.5 7.75 10 778 2289 15.2 -1.8 31 17.0 6.4 162 3 309.8 310.6 289.8 323.3 4.31 11 733 2793 14.2 -21.8 7 36.0 1.4 167 6 314.0 314.2 287.8 317.2 0.91 12 727 2862 13.8 -27.2 4 41.0 0.6 168 7 314.3 314.5 287.5 316.3 0.57 13 716 2991 12.8 -1.2 38 14.0 5.4 169 8 314.6 315.6 291.7 330.2 4.90 14 700 3180 11.8 -4.2 32 16.0 3.7 170 8 315.6 316.3 291.3 328.4 4.00 15 535 5373 -2.3 -22.3 20 20.0 -8.8 257 12 323.9 324.1 291.2 328.1 1.19 16 511 5738 -3.5 -36.5 6 33.0 -11.1 273 14 326.7 326.8 291.2 328.0 0.33 17 508 5784 -2.9 -39.9 4 37.0 -10.9 275 14 328.0 328.1 291.4 328.9 0.23 18 500 5910 -3.3 -38.3 5 35.0 -11.2 275 14 329.0 329.1 291.7 330.1 0.28 19 426 7153 -11.7 -47.7 3 36.0 -17.4 298 11 333.7 333.7 292.9 334.2 0.12 20 400 7630 -15.7 -41.7 9 26.0 -20.1 300 16 334.6 334.6 293.2 335.5 0.25 21 322 9226 -28.9 -47.9 14 19.0 -30.9 282 23 337.7 337.8 293.9 338.4 0.16 22 300 9730 -32.3 -45.3 26 13.0 -33.7 280 20 339.9 339.9 294.5 340.7 0.22 23 291 9944 -34.1 -45.1 32 11.0 -35.2 275 22 340.3 340.3 294.6 341.2 0.23 24 284 10114 -35.3 -57.3 9 22.0 -36.7 271 23 340.9 340.9 294.6 341.2 0.06 25 259 10750 -40.5 -48.5 42 8.0 -41.1 256 28 342.4 342.4 295.1 343.1 0.18 26 255 10856 -41.1 -54.1 23 13.0 -41.8 253 29 343.0 343.0 295.1 343.4 0.10 27 250 10990 -42.1 -54.1 26 12.0 -42.8 250 30 343.5 343.5 295.3 343.9 0.10 28 232 11490 -46.3 -61.3 17 15.0 -46.8 243 30 344.5 344.5 295.4 344.7 0.04 29 222 11782 -48.1 -66.1 11 18.0 -48.6 234 31 346.1 346.1 295.8 346.2 0.02 30 207 12238 -52.1 -64.1 22 12.0 -52.4 239 27 346.8 346.8 296.0 347.0 0.03 31 200 12460 -53.7 -66.7 19 13.0 -53.9 245 24 347.7 347.7 296.1 347.8 0.02 32 193 12687 -55.1 -69.1 16 14.0 -55.4 241 25 349.0 349.1 296.4 349.1 0.02 33 158 13942 -61.9 -79.9 7 18.0 -62.0 261 26 358.1 358.1 298.3 358.1 0.00 34 150 14260 -64.7 -79.7 11 15.0 -64.8 260 28 358.6 358.6 298.4 358.6 0.00 35 121 15544 -74.1 -84.1 20 10.0 -74.1 270 24 364.2 364.2 299.5 364.2 0.00 36 100 16640 -79.9 -89.9 17 10.0 -79.9 230 9 373.4 373.4 301.1 373.4 0.00 37 87 17418 -83.9 -90.9 28 7.0 -83.9 235 6 380.5 380.5 302.3 380.5 0.00 38 82 17748 -81.1 -90.1 20 9.0 -81.1 162 8 392.7 392.7 304.2 392.7 0.00 39 76 18171 -83.7 -90.7 28 7.0 -83.7 98 11 395.9 395.9 304.6 395.9 0.00 40 70 18630 -80.7 -88.7 25 8.0 -80.7 35 18 411.7 411.7 306.7 411.7 0.00 41 60 19515 -74.5 -89.5 8 15.0 -74.6 130 14 444.2 444.2 310.3 444.2 0.00 42 56 19924 -67.9 -88.9 3 21.0 -68.1 120 21 468.1 468.1 312.5 468.1 0.00 43 50 20610 -66.1 -90.1 2 24.0 -66.4 95 20 487.7 487.7 314.1 487.7 0.00 44 49 20732 -65.9 -89.9 2 24.0 -66.2 66 17 491.0 491.0 314.3 491.0 0.00 45 45 21246 -67.1 -91.1 2 24.0 -67.4 97 22 500.2 500.2 314.9 500.2 0.00 46 30 23750 -56.3 -87.3 1 31.0 -57.7 100 32 591.2 591.2 320.2 591.2 0.01 47 25 24916 -51.9 -84.9 1 33.0 -54.4 83 22 635.4 635.4 322.1 635.5 0.01 48 20 26350 -54.3 -86.3 1 32.0 -56.6 70 23 670.0 670.0 323.4 670.0 0.01 49 15 28207 -51.3 -84.3 1 33.0 -55.1 83 16 737.4 737.4 325.6 737.6 0.02 TRP 87 17418 -83.9 -90.9 28 7.0 -83.9 235 6 380.5 380.5 302.3 380.5 0.00 WND Sounding variables and indices 1000-500 mb thick: 5784.00 m Freezing level: 561.91 mb = 5015.65 m = 16455.33 ft Wetbulb zero: 650.94 mb = 3772.96 m = 12378.32 ft Precipitable water: 1.23 inches Sfc-500 mean rel hum: 36.85 % Est. max temperature: 32.11 C = 89.80 F Sfc-Lift cond lev (LCL): 928.00 mb = 779.67 m = 2557.94 ft T: 21.77 C 700-500 lapse rate: 5.53 C/km ThetaE index: 24.86 C Layer 800.0- 716.0 mb Conv cond level (CCL): 689.85 mb = 3299.20 m = 10824.00 ft Mean mixing ratio: 12.07 g/kg Conv temperature: 44.04 C = 111.27 F Cap Strength: 6.15 C Lifted Index: 5.47 C Risk: None Lifted Index @300 mb: 4.59 C Lifted Index @700 mb: 5.63 C Showalter Index: 7.64 C Risk: None Total Totals Index: 33.40 C Risk: None Vertical Totals Index: 20.70 C Cross Totals Index: 12.70 C K Index: 14.10 Risk: None Sweat Index: 136.80 Risk: None Energy Index: 0.16 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 7.31 J/kg Max Up Vert Vel: 3.82 m/s Conv Inhibition (B-): 30152.68 J/kg Cap Strength: 6.14 C Lift Cond Lev (LCL): 862.78 mb = 1409.70 m = 4624.96 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 211 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 1013 18 150 5 -2.5 4.3 | 75 6 -6.1 -1.6 1 1000 126 105 12 -11.6 3.1 | 79 15 -15.2 -2.8 2 980 305 105 10 -9.7 2.6 | 76 14 -13.2 -3.3 3 946 610 115 19 -17.2 8.0 | 96 21 -20.8 2.1 4 925 808 120 18 -15.6 9.0 | 99 19 -19.2 3.1 5 914 914 120 17 -14.7 8.5 | 98 18 -18.3 2.6 6 851 1524 170 8 -1.4 7.9 | 111 5 -5.0 1.9 7 850 1538 165 5 -1.3 4.8 | 77 5 -4.9 -1.1 8 792 2134 160 2 -0.7 1.9 | 46 6 -4.3 -4.1 9 711 3048 170 8 -1.4 7.9 | 111 5 -5.0 1.9 10 700 3180 170 8 -1.4 7.9 | 111 5 -5.0 1.9 11 612 4267 210 7 3.5 6.1 | 146 0 -0.1 0.1 12 507 5791 275 14 13.9 -1.2 | 305 13 10.4 -7.2 13 500 5910 275 14 13.9 -1.2 | 305 13 10.4 -7.2 14 488 6096 280 14 13.8 -2.4 | 309 13 10.2 -8.4 15 469 6401 260 16 15.8 2.8 | 285 13 12.2 -3.2 16 433 7010 305 10 8.2 -5.7 | 338 13 4.6 -11.7 17 417 7315 290 13 12.2 -4.4 | 320 13 8.6 -10.4 18 401 7620 305 16 13.1 -9.2 | 328 18 9.5 -15.1 19 400 7630 300 16 13.9 -8.0 | 324 17 10.3 -13.9 20 384 7925 305 17 13.9 -9.8 | 327 19 10.3 -15.7 21 353 8534 275 22 21.9 -1.9 | 293 20 18.3 -7.9 22 312 9449 285 23 22.2 -6.0 | 303 22 18.6 -11.9 23 300 9730 280 20 19.7 -3.5 | 300 19 16.1 -9.4 24 250 10990 250 30 28.2 10.3 | 260 25 24.6 4.3 25 239 11278 250 30 28.2 10.3 | 260 25 24.6 4.3 26 218 11887 230 31 23.7 19.9 | 235 25 20.2 14.0 27 200 12460 245 24 21.8 10.1 | 257 19 18.2 4.2 28 199 12497 230 27 20.7 17.4 | 236 21 17.1 11.4 29 180 13106 265 22 21.9 1.9 | 282 19 18.3 -4.0 30 150 14260 260 28 27.6 4.9 | 273 24 24.0 -1.1 31 134 14935 260 27 26.6 4.7 | 273 23 23.0 -1.2 32 127 15240 280 24 23.6 -4.2 | 297 22 20.0 -10.1 33 103 16459 235 22 18.0 12.6 | 245 16 14.4 6.7 34 100 16640 230 9 6.9 5.8 | 273 3 3.3 -0.2 35 98 16764 230 9 6.9 5.8 | 273 3 3.3 -0.2 36 93 17069 245 10 9.1 4.2 | 287 6 5.5 -1.7 37 87 17418 235 6 4.9 3.4 | 332 3 1.3 -2.5 38 79 17983 110 10 -9.4 3.4 | 79 13 -13.0 -2.5 39 70 18593 70 12 -11.3 -4.1 | 56 18 -14.9 -10.0 40 70 18630 35 18 -10.3 -14.7 | 34 25 -13.9 -20.7 41 67 18898 40 19 -12.2 -14.6 | 38 26 -15.8 -20.5 42 64 19202 15 13 -3.4 -12.6 | 21 20 -7.0 -18.5 43 60 19507 130 14 -10.7 9.0 | 102 15 -14.3 3.1 44 57 19812 135 18 -12.7 12.7 | 113 18 -16.3 6.8 45 54 20117 100 25 -24.6 4.3 | 87 28 -28.2 -1.6 46 50 20610 95 20 -19.9 1.7 | 80 24 -23.5 -4.2 47 49 20726 65 17 -15.4 -7.2 | 55 23 -19.0 -13.1 48 47 21031 95 20 -19.9 1.7 | 80 24 -23.5 -4.2 49 35 22860 110 33 -31.0 11.3 | 99 35 -34.6 5.4 50 30 23750 100 32 -31.5 5.6 | 89 35 -35.1 -0.4 51 28 24079 105 31 -29.9 8.0 | 94 34 -33.5 2.1 52 27 24384 95 20 -19.9 1.7 | 80 24 -23.5 -4.2 53 21 25908 60 25 -21.7 -12.5 | 54 31 -25.2 -18.4 54 20 26350 70 23 -21.6 -7.9 | 61 29 -25.2 -13.8 55 19 26518 90 21 -21.0 0.0 | 76 25 -24.6 -5.9 56 16 27127 60 18 -15.6 -9.0 | 52 24 -19.2 -14.9 57 15 27432 85 16 -15.9 -1.4 | 69 21 -19.5 -7.3 58 14 27737 85 17 -16.9 -1.5 | 70 22 -20.5 -7.4 59 13 28042 125 23 -18.8 13.2 | 108 24 -22.4 7.3 60 12 28346 110 24 -22.6 8.2 | 95 26 -26.1 2.3 Wind Parameters Mean winds (0-6000m): 181.1 at 9.2 knts Storm direction: 211.1 at 6.9 knts Shear (0-3000m) pos: 2.6 neg: 2.2 tot: 4.7 10-3/s Storm rel Dir Shear (0-3000m): 34.0 deg Storm rel helicity (0-3000m) pos: 58.3 neg: -13.9 tot: 44.4 m^2/s^2 ave: 14.8 10^-3 m/s^2 rel: 0.21 Storm rel vorticity (0-3000m) horiz: 8.2 stream: 1.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.37 Bulk Shear: 19.75 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 ------------------------------------------------------------------------------- 500 109 11 81 14| 0.0 13.1 13.1| 19.0 -3.9 15.1 30.1 0.24| 16.4 4.0 1000 115 14 91 17| 2.4 6.6 8.9| 41.4 -5.2 36.1 36.1 0.33| 12.5 4.2 1500 122 14 94 15| 4.7 4.4 9.1| 50.6 -5.9 44.7 29.8 0.29| 12.2 3.6 2000 125 11 92 13| 3.5 3.2 6.8| 50.6 -13.2 37.4 18.7 0.12| 10.6 1.2 2500 128 10 89 11| 2.8 2.6 5.4| 53.9 -13.9 40.0 16.0 0.15| 9.1 1.4 3000 133 9 91 10| 2.6 2.2 4.7| 58.3 -13.9 44.4 14.8 0.21| 8.2 1.7 4000 144 9 97 9| 2.3 1.6 3.9| 59.6 -13.9 45.7 11.4 0.22| 6.7 1.4 5000 158 9 106 7| 2.5 1.3 3.8| 60.9 -13.9 47.0 9.4 0.23| 6.1 1.4 6000 181 9 134 5| 2.4 1.1 3.5| 72.7 -13.9 58.8 9.8 0.26| 5.8 1.5 Wrote GIF file: /home/apache/climate/data/raob//NFFN/skewt/NFFN.skewt.20251204.11.gif