UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120711.upa.cvt Date: 1100Z 7 DEC 25 Searching for NFFN... Searching the city database file for: NFFN ... Date:1100Z 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 1009 18 22.8 20.9 89 1.9 21.5 160 7 295.2 298.0 294.3 340.0 15.60 1 1000 91 22.8 20.2 85 2.6 21.0 145 20 296.0 298.7 294.1 339.3 15.07 2 925 770 19.8 19.0 95 0.8 19.2 150 13 299.6 302.3 295.2 343.7 15.12 3 911 902 19.0 18.3 96 0.7 18.5 145 11 300.0 302.7 295.0 343.0 14.68 4 861 1387 16.8 15.7 93 1.1 16.1 80 9 302.6 305.1 294.7 341.5 13.14 5 854 1457 17.0 12.0 72 5.0 13.8 71 8 303.5 305.5 292.9 334.4 10.37 6 850 1497 16.6 12.4 76 4.2 13.9 65 8 303.5 305.5 293.2 335.4 10.70 7 772 2311 11.8 11.0 95 0.8 11.3 0 10 306.8 308.8 294.1 339.2 10.75 8 738 2688 10.8 5.9 72 4.9 7.9 16 9 309.7 311.2 292.8 334.0 7.92 9 700 3127 7.4 4.3 81 3.1 5.6 10 6 310.7 312.1 292.7 333.7 7.46 10 637 3896 1.8 0.8 93 1.0 1.3 80 4 312.8 314.0 292.4 332.7 6.38 11 532 5333 -4.7 -5.0 98 0.3 -4.8 68 13 321.6 322.5 293.7 337.7 4.96 12 515 5589 -5.9 -5.9 100 0.0 -5.9 62 16 323.1 324.0 294.0 338.8 4.79 13 500 5820 -6.9 -7.8 93 0.9 -7.3 65 14 324.6 325.5 294.0 338.7 4.26 14 400 7540 -16.7 -16.9 98 0.2 -16.8 350 18 333.3 333.8 294.8 342.2 2.55 15 373 8060 -19.7 -20.7 92 1.0 -20.0 334 21 336.0 336.4 295.1 343.1 1.97 16 314 9308 -29.7 -32.0 80 2.3 -30.1 319 22 339.1 339.2 294.8 342.2 0.83 17 300 9630 -32.5 -35.3 76 2.8 -32.9 315 22 339.6 339.7 294.8 342.0 0.63 18 253 10800 -43.3 -48.3 58 5.0 -43.6 355 26 340.5 340.6 294.6 341.3 0.19 19 250 10880 -44.1 -48.9 59 4.8 -44.4 355 26 340.5 340.5 294.6 341.2 0.18 20 233 11350 -48.3 -51.6 69 3.3 -48.4 352 31 341.1 341.1 294.7 341.6 0.14 21 223 11638 -50.9 -55.9 55 5.0 -51.1 349 32 341.4 341.4 294.7 341.7 0.09 22 202 12277 -55.7 -59.8 60 4.1 -55.8 323 41 343.6 343.6 295.3 343.8 0.06 23 200 12340 -56.1 -60.7 56 4.6 -56.2 320 43 343.9 343.9 295.3 344.2 0.05 24 192 12598 -57.5 -66.5 31 9.0 -57.6 317 52 345.7 345.7 295.7 345.8 0.03 25 188 12731 -57.5 -75.5 8 18.0 -57.7 315 57 347.8 347.8 296.1 347.8 0.01 26 179 13042 -55.7 -73.7 9 18.0 -55.9 311 68 355.7 355.7 297.8 355.7 0.01 27 164 13594 -58.8 -77.8 7 19.0 -59.0 300 78 359.5 359.5 298.6 359.6 0.01 28 150 14150 -61.9 -81.9 5 20.0 -62.0 300 69 363.4 363.4 299.4 363.5 0.00 29 148 14233 -61.9 -80.9 6 19.0 -62.0 300 69 364.8 364.8 299.6 364.9 0.00 30 123 15348 -72.3 -85.3 12 13.0 -72.3 304 73 365.7 365.7 299.8 365.7 0.00 31 104 16324 -76.1 -89.1 11 13.0 -76.2 290 41 376.4 376.4 301.6 376.5 0.00 32 100 16550 -75.9 -88.9 11 13.0 -75.9 315 35 381.1 381.1 302.4 381.1 0.00 33 83 17622 -78.5 -88.5 18 10.0 -78.5 313 30 396.6 396.6 304.8 396.6 0.00 34 78 17978 -77.9 -88.9 15 11.0 -77.9 301 19 405.0 405.0 305.9 405.0 0.00 35 75 18206 -72.3 -86.3 10 14.0 -72.3 22 6 421.3 421.3 307.9 421.3 0.00 36 71 18527 -74.3 -88.3 10 14.0 -74.3 30 8 423.7 423.7 308.2 423.7 0.00 37 70 18610 -72.9 -87.9 9 15.0 -73.0 15 14 428.4 428.4 308.7 428.4 0.00 38 62 19332 -67.9 -87.9 4 20.0 -68.1 108 8 454.6 454.6 311.3 454.6 0.00 39 57 19835 -70.3 -88.3 5 18.0 -70.4 75 20 460.3 460.3 311.8 460.3 0.00 40 50 20620 -67.3 -89.3 3 22.0 -67.5 75 17 484.9 484.9 313.8 484.9 0.00 41 49 20742 -66.9 -88.9 3 22.0 -67.1 84 14 488.6 488.7 314.1 488.7 0.00 TRP 104 16324 -76.1 -89.1 11 13.0 -76.2 290 41 376.4 376.4 301.6 376.5 0.00 WND 164 13594 -58.8 -77.8 7 19.0 -59.0 300 78 359.5 359.5 298.6 359.6 0.01 Sounding variables and indices 1000-500 mb thick: 5729.00 m Freezing level: 607.92 mb = 4294.22 m = 14088.48 ft Wetbulb zero: 615.46 mb = 4170.76 m = 13683.42 ft Precipitable water: 2.15 inches Sfc-500 mean rel hum: 89.85 % Est. max temperature: 30.52 C = 86.93 F Sfc-Lift cond lev (LCL): 981.68 mb = 252.08 m = 827.03 ft T: 22.09 C 700-500 lapse rate: 5.31 C/km ThetaE index: 9.29 C Layer 911.0- 850.0 mb Conv cond level (CCL): 900.45 mb = 1001.86 m = 3286.90 ft Mean mixing ratio: 15.08 g/kg Conv temperature: 28.20 C = 82.75 F Cap Strength: 1.16 C Lifted Index: -0.83 C Risk: Thunderstorms probable Lifted Index @300 mb: 0.59 C Lifted Index @700 mb: -0.82 C Showalter Index: 1.87 C Risk: Showers probable Total Totals Index: 42.80 C Risk: None Vertical Totals Index: 23.50 C Cross Totals Index: 19.30 C K Index: 32.80 Risk: 60-80 % chance of thunderstorms Sweat Index: 178.80 Risk: None Energy Index: 0.58 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 217.20 J/kg Max Up Vert Vel: 20.84 m/s Conv Inhibition (B-): 34.03 J/kg Cap Strength: 1.07 C Lift Cond Lev (LCL): 936.14 mb = 665.69 m = 2184.01 ft Lev Free Conv (LFC): 781.14 mb = 2211.46 m = 7255.37 ft Equ Level (EL): 761.14 mb = 2429.58 m = 7970.97 ft B at Equ Level: 14.87 J/kg Max Parcel Lev (MPL): 181.14 mb = 12966.32 m = 42539.91 ft Wind level data Storm motion: 109 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 1009 18 160 7 -2.4 6.6 | 225 6 4.3 4.3 1 1000 91 145 20 -11.5 16.4 | 161 15 -4.8 14.1 2 976 305 135 26 -18.4 18.4 | 144 20 -11.7 16.1 3 942 610 140 17 -10.9 13.0 | 158 12 -4.3 10.7 4 925 770 150 13 -6.5 11.3 | 181 9 0.2 8.9 5 910 914 145 11 -6.3 9.0 | 183 7 0.4 6.7 6 850 1497 65 8 -7.3 -3.4 | 6 6 -0.6 -5.7 7 847 1524 65 8 -7.3 -3.4 | 6 6 -0.6 -5.7 8 788 2134 335 8 3.4 -7.3 | 314 14 10.0 -9.6 9 760 2438 20 11 -3.8 -10.3 | 347 13 2.9 -12.7 10 700 3127 10 6 -1.0 -5.9 | 326 10 5.6 -8.2 11 607 4267 115 3 -2.7 1.3 | 285 4 3.9 -1.1 12 584 4572 0 0 -0.0 -0.0 | 289 7 6.7 -2.3 13 542 5182 75 11 -10.6 -2.8 | 37 7 -4.0 -5.2 14 521 5486 60 15 -13.0 -7.5 | 33 12 -6.3 -9.8 15 502 5791 65 17 -15.4 -7.2 | 43 13 -8.7 -9.5 16 500 5820 65 14 -12.7 -5.9 | 36 10 -6.0 -8.2 17 482 6096 65 14 -12.7 -5.9 | 36 10 -6.0 -8.2 18 464 6401 30 12 -6.0 -10.4 | 357 13 0.7 -12.7 19 446 6706 360 14 -0.0 -14.0 | 338 18 6.7 -16.3 20 412 7315 340 20 6.8 -18.8 | 327 25 13.5 -21.1 21 400 7540 350 18 3.1 -17.7 | 334 22 9.8 -20.0 22 396 7620 350 18 3.1 -17.7 | 334 22 9.8 -20.0 23 379 7925 335 21 8.9 -19.0 | 324 26 15.5 -21.4 24 300 9630 315 22 15.6 -15.6 | 309 29 22.2 -17.9 25 282 10058 350 21 3.6 -20.7 | 336 25 10.3 -23.0 26 250 10880 355 26 2.3 -25.9 | 342 30 8.9 -28.2 27 225 11582 350 33 5.7 -32.5 | 340 37 12.4 -34.8 28 214 11887 340 26 8.9 -24.4 | 330 31 15.6 -26.8 29 200 12340 320 43 27.6 -32.9 | 316 49 34.3 -35.3 30 177 13106 310 70 53.6 -45.0 | 308 77 60.3 -47.3 31 164 13594 300 78 67.5 -39.0 | 299 85 74.2 -41.3 32 161 13716 300 78 67.5 -39.0 | 299 85 74.2 -41.3 33 150 14150 300 69 59.8 -34.5 | 299 76 66.4 -36.8 34 119 15545 305 74 60.6 -42.4 | 304 81 67.3 -44.8 35 113 15850 295 72 65.3 -30.4 | 294 79 71.9 -32.8 36 104 16324 290 41 38.5 -14.0 | 290 48 45.2 -16.3 37 102 16459 280 48 47.3 -8.3 | 281 55 53.9 -10.7 38 100 16550 315 35 24.7 -24.7 | 311 41 31.4 -27.1 39 96 16764 315 35 24.7 -24.7 | 311 41 31.4 -27.1 40 87 17374 325 26 14.9 -21.3 | 318 32 21.6 -23.6 41 82 17678 310 31 23.7 -19.9 | 306 38 30.4 -22.2 42 78 17983 300 19 16.5 -9.5 | 297 26 23.1 -11.8 43 74 18288 50 1 -0.8 -0.6 | 297 7 5.9 -3.0 44 70 18593 25 10 -4.2 -9.1 | 348 12 2.4 -11.4 45 70 18610 15 14 -3.6 -13.5 | 349 16 3.0 -15.8 46 67 18898 15 15 -3.9 -14.5 | 351 17 2.8 -16.8 47 63 19202 110 6 -5.6 2.1 | 285 1 1.0 -0.3 48 60 19507 105 10 -9.7 2.6 | 95 3 -3.0 0.3 49 54 20117 50 29 -22.2 -18.6 | 37 26 -15.6 -21.0 50 50 20620 75 17 -16.4 -4.4 | 55 12 -9.8 -6.7 51 49 20726 85 14 -13.9 -1.2 | 64 8 -7.3 -3.5 52 46 21031 85 18 -17.9 -1.6 | 71 12 -11.3 -3.9 Wind Parameters Mean winds (0-6000m): 79.2 at 9.4 knts Storm direction: 109.2 at 7.1 knts Shear (0-3000m) pos: 0.8 neg: 2.2 tot: 3.0 10-3/s Storm rel Dir Shear (0-3000m): 104.4 deg Storm rel helicity (0-3000m) pos: 51.4 neg: -88.0 tot: -36.6 m^2/s^2 ave: -12.2 10^-3 m/s^2 rel: -0.34 Storm rel vorticity (0-3000m) horiz: 12.8 stream: -4.3 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 4.75 Bulk Shear: 45.77 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 ------------------------------------------------------------------------------- 500 139 21 152 16| 0.0 13.8 13.8| 10.7 -42.8 -32.1 -64.2 -0.52| 28.4-14.8 1000 140 18 158 12| 0.0 2.8 2.8| 25.8 -45.4 -19.6 -19.6 -0.27| 20.5 -5.5 1500 134 15 154 9| 0.0 3.8 3.8| 25.8 -53.6 -27.8 -18.6 -0.40| 17.5 -6.9 2000 125 13 142 7| 0.0 3.8 3.8| 25.8 -72.1 -46.3 -23.1 -0.45| 15.7 -7.0 2500 115 12 122 5| 1.0 3.1 4.1| 51.4 -78.6 -27.2 -10.9 -0.31| 14.6 -4.5 3000 100 12 87 5| 0.8 2.2 3.0| 51.4 -88.0 -36.6 -12.2 -0.34| 12.8 -4.3 4000 89 10 53 4| 1.1 1.6 2.7| 53.5 -91.9 -38.5 -9.6 -0.32| 10.6 -3.4 5000 87 9 33 3| 1.4 1.5 2.9| 71.0 -94.4 -23.4 -4.7 -0.20| 9.9 -2.0 6000 79 9 32 5| 1.7 1.3 2.9| 83.5 -98.4 -14.9 -2.5 -0.13| 9.4 -1.3 Wrote GIF file: /home/apache/climate/data/raob//NFFN/skewt/NFFN.skewt.20251207.11.gif