UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121623.upa.cvt Date: 2300Z 16 DEC 25 Searching for NFFN... Searching the city database file for: NFFN ... Date:2300Z 16 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 27.6 22.6 74 5.0 24.0 280 8 299.8 303.0 296.7 350.5 17.32 1 1000 110 26.4 23.0 82 3.4 23.9 280 5 299.5 302.8 297.1 352.1 17.96 2 925 795 21.6 19.6 88 2.0 20.2 105 4 301.4 304.3 296.1 347.6 15.71 3 888 1150 18.8 18.3 97 0.5 18.5 97 3 302.0 304.8 295.8 346.5 15.07 4 850 1527 17.2 17.2 100 0.0 17.2 70 4 304.2 306.9 296.1 347.9 14.68 5 794 2107 14.2 13.5 96 0.7 13.7 84 10 306.9 309.3 295.3 344.1 12.35 6 729 2827 12.0 2.0 50 10.0 6.4 145 5 312.1 313.3 292.0 331.1 6.07 7 700 3166 9.6 2.6 62 7.0 5.6 250 4 313.1 314.4 292.7 333.8 6.61 8 673 3490 7.0 1.0 66 6.0 3.7 260 8 313.7 314.9 292.5 333.0 6.12 9 665 3588 7.0 -3.0 49 10.0 1.9 263 9 314.8 315.7 291.6 329.5 4.61 10 662 3625 7.6 -20.4 12 28.0 -2.3 264 9 315.9 316.1 288.6 319.8 1.14 11 654 3725 6.4 -3.6 49 10.0 1.4 263 10 315.6 316.5 291.7 330.0 4.48 12 648 3800 5.8 -4.2 49 10.0 0.8 260 10 315.8 316.6 291.6 329.6 4.32 13 644 3851 6.2 -22.8 10 29.0 -3.4 258 9 316.8 317.0 288.8 320.1 0.95 14 639 3915 6.0 -28.0 7 34.0 -4.1 255 9 317.3 317.4 288.5 319.4 0.60 15 634 3979 5.4 -12.6 26 18.0 -2.1 252 9 317.3 317.8 290.2 324.9 2.29 16 630 4031 5.2 -20.8 13 26.0 -3.8 250 9 317.7 317.9 289.2 321.6 1.16 17 627 4069 4.8 -8.2 38 13.0 -1.2 249 9 317.6 318.3 291.2 328.4 3.29 18 625 4095 4.8 -20.2 14 25.0 -4.0 248 9 317.9 318.2 289.4 322.1 1.23 19 621 4148 4.2 -2.8 60 7.0 0.6 246 8 317.8 318.8 292.8 333.9 5.02 20 616 4213 4.0 -5.0 52 9.0 -0.4 243 8 318.3 319.2 292.3 332.2 4.28 21 612 4266 4.4 -30.6 6 35.0 -5.4 241 8 319.4 319.5 289.1 321.2 0.49 22 607 4333 4.2 -26.8 8 31.0 -5.2 241 9 319.9 320.1 289.5 322.4 0.70 23 587 4604 2.0 -17.0 23 19.0 -5.1 244 13 320.4 320.8 290.6 326.3 1.72 24 558 5010 -0.5 -24.5 14 24.0 -7.9 240 11 322.2 322.3 290.4 325.5 0.94 25 500 5880 -4.5 -46.5 2 42.0 -12.2 265 9 327.6 327.6 291.2 328.0 0.12 26 499 5896 -4.5 -44.5 3 40.0 -12.2 265 9 327.7 327.8 291.2 328.3 0.15 27 496 5944 -4.5 -47.5 2 43.0 -12.3 265 9 328.3 328.3 291.3 328.7 0.11 28 400 7610 -16.9 -47.9 5 31.0 -21.2 250 13 333.0 333.0 292.7 333.5 0.13 29 394 7722 -17.7 -43.7 8 26.0 -21.7 263 14 333.4 333.5 292.9 334.2 0.20 30 360 8388 -21.3 -38.3 20 17.0 -24.2 276 19 337.3 337.4 294.0 338.8 0.39 31 355 8491 -20.9 -43.9 11 23.0 -24.3 282 20 339.2 339.3 294.3 340.1 0.22 32 300 9700 -31.9 -50.9 13 19.0 -33.6 245 32 340.4 340.4 294.6 340.9 0.12 33 284 10087 -35.3 -51.3 18 16.0 -36.5 245 35 340.9 340.9 294.7 341.4 0.12 34 277 10261 -36.3 -54.3 14 18.0 -37.5 245 37 341.9 341.9 294.8 342.3 0.09 35 267 10517 -37.9 -43.9 53 6.0 -38.5 250 41 343.2 343.3 295.4 344.4 0.29 36 256 10807 -39.3 -68.3 3 29.0 -40.4 260 48 345.3 345.3 295.6 345.4 0.02 37 250 10970 -40.3 -60.3 10 20.0 -41.3 265 52 346.2 346.2 295.8 346.3 0.05 38 237 11331 -42.3 -64.3 7 22.0 -43.2 271 53 348.5 348.5 296.3 348.6 0.03 39 207 12227 -50.5 -57.5 43 7.0 -50.8 282 57 349.3 349.4 296.5 349.7 0.08 40 205 12290 -50.9 -64.9 17 14.0 -51.2 283 58 349.7 349.7 296.6 349.8 0.03 41 202 12386 -51.9 -62.9 26 11.0 -52.2 284 59 349.6 349.6 296.6 349.8 0.04 42 200 12450 -52.1 -62.1 29 10.0 -52.4 285 59 350.3 350.3 296.7 350.5 0.04 43 172 13410 -60.3 -64.8 55 4.5 -60.4 286 59 352.1 352.1 297.1 352.3 0.04 44 150 14250 -67.3 -73.3 42 6.0 -67.4 275 58 354.2 354.2 297.5 354.2 0.01 45 139 14702 -71.1 -75.9 49 4.8 -71.1 270 59 355.3 355.3 297.8 355.3 0.01 46 134 14918 -71.5 -80.5 25 9.0 -71.5 268 59 358.3 358.3 298.4 358.3 0.00 47 129 15140 -72.3 -81.8 23 9.5 -72.4 265 60 360.7 360.7 298.8 360.7 0.00 48 104 16386 -77.1 -89.1 13 12.0 -77.1 264 42 374.5 374.5 301.4 374.5 0.00 49 100 16610 -78.1 -90.1 13 12.0 -78.1 285 13 376.8 376.8 301.7 376.8 0.00 50 91 17143 -81.5 -90.5 20 9.0 -81.5 315 19 380.4 380.4 302.3 380.4 0.00 51 70 18630 -77.5 -88.5 15 11.0 -77.6 30 16 418.6 418.6 307.6 418.6 0.00 52 52 20367 -70.7 -89.7 4 19.0 -70.8 109 10 471.6 471.6 312.8 471.6 0.00 53 51 20483 -71.5 -90.5 4 19.0 -71.6 109 12 472.3 472.3 312.8 472.3 0.00 54 50 20600 -70.5 -90.5 4 20.0 -70.6 90 16 477.4 477.4 313.2 477.4 0.00 55 42 21654 -63.9 -88.9 2 25.0 -64.3 80 19 518.1 518.1 316.2 518.1 0.00 56 30 23760 -55.9 -85.9 1 30.0 -57.3 75 29 592.2 592.3 320.3 592.3 0.01 57 26 24667 -57.7 -85.7 2 28.0 -59.0 89 29 611.9 611.9 321.2 611.9 0.01 TRP 91 17143 -81.5 -90.5 20 9.0 -81.5 315 19 380.4 380.4 302.3 380.4 0.00 WND 129 15140 -72.3 -81.8 23 9.5 -72.4 265 60 360.7 360.7 298.8 360.7 0.00 Sounding variables and indices 1000-500 mb thick: 5770.00 m Freezing level: 563.80 mb = 4928.92 m = 16170.81 ft Wetbulb zero: 663.63 mb = 3605.14 m = 11827.74 ft Precipitable water: 1.82 inches Sfc-500 mean rel hum: 55.23 % Est. max temperature: 31.34 C = 88.41 F Sfc-Lift cond lev (LCL): 940.44 mb = 649.52 m = 2130.94 ft T: 22.62 C 700-500 lapse rate: 5.20 C/km ThetaE index: 16.77 C Layer 794.0- 700.0 mb Conv cond level (CCL): 907.95 mb = 956.76 m = 3138.95 ft Mean mixing ratio: 16.74 g/kg Conv temperature: 29.49 C = 85.07 F Cap Strength: 0.86 C Lifted Index: -1.47 C Risk: Thunderstorms probable Lifted Index @300 mb: -3.38 C Lifted Index @700 mb: -0.91 C Showalter Index: -0.77 C Risk: Thunderstorms probable Total Totals Index: 43.40 C Risk: None Vertical Totals Index: 21.70 C Cross Totals Index: 21.70 C K Index: 31.90 Risk: 60-80 % chance of thunderstorms Sweat Index: 223.40 Risk: None Energy Index: -3.79 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 730.06 J/kg Max Up Vert Vel: 38.21 m/s Conv Inhibition (B-): 3.62 J/kg Cap Strength: 0.86 C Lift Cond Lev (LCL): 923.46 mb = 809.46 m = 2655.67 ft Lev Free Conv (LFC): 898.46 mb = 1048.02 m = 3438.33 ft Equ Level (EL): 228.46 mb = 11574.18 m = 37972.57 ft B at Equ Level: 727.83 J/kg Max Parcel Lev (MPL): 108.46 mb = 16143.33 m = 52963.05 ft Wind level data Storm motion: 270 at 5 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 18 280 8 7.9 -1.4 | 299 3 2.6 -1.4 1 1000 110 280 5 4.9 -0.9 | 23 1 -0.4 -0.9 2 978 305 170 2 -0.3 2.0 | 109 6 -5.6 2.0 3 945 610 225 1 0.7 0.7 | 99 5 -4.6 0.7 4 925 795 105 4 -3.9 1.0 | 96 9 -9.2 1.0 5 912 914 110 2 -1.9 0.7 | 95 7 -7.2 0.7 6 850 1524 75 4 -3.9 -1.0 | 83 9 -9.2 -1.0 7 850 1527 70 4 -3.8 -1.4 | 81 9 -9.1 -1.4 8 791 2134 85 10 -10.0 -0.9 | 87 15 -15.3 -0.9 9 763 2438 85 10 -10.0 -0.9 | 87 15 -15.3 -0.9 10 710 3048 180 2 0.0 2.0 | 111 6 -5.3 2.0 11 700 3166 250 4 3.8 1.4 | 131 2 -1.5 1.4 12 659 3658 265 10 10.0 0.9 | 260 5 4.7 0.9 13 611 4267 240 8 6.9 4.0 | 202 4 1.6 4.0 14 588 4572 245 13 11.8 5.5 | 230 8 6.5 5.5 15 566 4877 230 12 9.2 7.7 | 207 9 3.9 7.7 16 525 5486 280 7 6.9 -1.2 | 308 2 1.6 -1.2 17 500 5880 265 9 9.0 0.8 | 258 4 3.7 0.8 18 486 6096 265 10 10.0 0.9 | 260 5 4.7 0.9 19 432 7010 255 11 10.6 2.8 | 242 6 5.3 2.8 20 416 7315 275 13 13.0 -1.1 | 279 8 7.7 -1.1 21 400 7610 250 13 12.2 4.4 | 237 8 6.9 4.4 22 399 7620 270 14 14.0 -0.0 | 270 9 8.7 -0.0 23 383 7925 250 13 12.2 4.4 | 237 8 6.9 4.4 24 352 8534 285 21 20.3 -5.4 | 290 16 15.0 -5.4 25 338 8839 285 28 27.0 -7.2 | 288 23 21.8 -7.3 26 311 9449 245 33 29.9 13.9 | 240 28 24.6 13.9 27 300 9700 245 32 29.0 13.5 | 240 27 23.7 13.5 28 273 10363 245 38 34.4 16.1 | 241 33 29.1 16.0 29 250 10970 265 52 51.8 4.5 | 264 47 46.5 4.5 30 250 10973 265 52 51.8 4.5 | 264 47 46.5 4.5 31 228 11582 275 53 52.8 -4.6 | 276 48 47.5 -4.6 32 200 12450 285 59 57.0 -15.3 | 286 54 51.7 -15.3 33 180 13106 290 60 56.4 -20.5 | 292 55 51.1 -20.5 34 150 14250 275 58 57.8 -5.1 | 276 53 52.5 -5.1 35 129 15140 265 60 59.8 5.2 | 265 55 54.5 5.2 36 120 15545 265 60 59.8 5.2 | 265 55 54.5 5.2 37 114 15850 260 55 54.2 9.6 | 259 50 48.9 9.5 38 103 16459 265 40 39.8 3.5 | 264 35 34.6 3.5 39 100 16610 285 13 12.6 -3.4 | 295 8 7.3 -3.4 40 97 16764 280 13 12.8 -2.3 | 287 8 7.5 -2.3 41 92 17069 310 15 11.5 -9.6 | 327 11 6.2 -9.7 42 91 17143 315 19 13.4 -13.4 | 329 16 8.1 -13.4 43 87 17374 310 20 15.3 -12.9 | 322 16 10.0 -12.9 44 83 17678 325 18 10.3 -14.7 | 341 16 5.0 -14.8 45 78 17983 295 16 14.5 -6.8 | 306 11 9.2 -6.8 46 74 18288 290 10 9.4 -3.4 | 310 5 4.1 -3.4 47 70 18593 35 10 -5.7 -8.2 | 53 14 -11.0 -8.2 48 70 18630 30 16 -8.0 -13.9 | 44 19 -13.3 -13.9 49 63 19202 25 25 -10.6 -22.7 | 35 28 -15.9 -22.7 50 57 19812 345 10 2.6 -9.7 | 16 10 -2.7 -9.7 51 52 20422 120 10 -8.7 5.0 | 110 15 -14.0 5.0 52 50 20600 90 16 -16.0 0.0 | 90 21 -21.3 -0.0 53 49 20726 105 18 -17.4 4.7 | 102 23 -22.7 4.6 54 47 21031 85 18 -17.9 -1.6 | 86 23 -23.2 -1.6 55 44 21336 115 15 -13.6 6.3 | 109 20 -18.9 6.3 56 42 21641 80 19 -18.7 -3.3 | 82 24 -24.0 -3.3 57 33 23165 95 24 -23.9 2.1 | 94 29 -29.2 2.1 58 30 23760 75 29 -28.0 -7.5 | 77 34 -33.3 -7.5 59 30 23774 70 29 -27.3 -9.9 | 73 34 -32.5 -9.9 60 28 24079 70 30 -28.2 -10.3 | 73 35 -33.5 -10.3 61 26 24384 90 29 -29.0 0.0 | 90 34 -34.3 -0.0 62 16 26518 80 44 -43.3 -7.6 | 81 49 -48.6 -7.7 Wind Parameters Mean winds (0-6000m): 239.8 at 7.1 knts Storm direction: 269.8 at 5.3 knts Shear (0-3000m) pos: 0.9 neg: 2.0 tot: 2.9 10-3/s Storm rel Dir Shear (0-3000m): 174.9 deg Storm rel helicity (0-3000m) pos: 30.0 neg: -13.2 tot: 16.8 m^2/s^2 ave: 5.6 10^-3 m/s^2 rel: 0.21 Storm rel vorticity (0-3000m) horiz: 7.1 stream: 1.5 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 357.18 Bulk Shear: 2.04 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 ------------------------------------------------------------------------------- 500 253 3 114 2| 0.0 7.9 7.9| 1.2 -2.8 -1.6 -3.3 0.37| 13.0 4.8 1000 200 3 121 5| 0.0 5.3 5.3| 2.7 -7.8 -5.1 -5.1 0.15| 10.4 1.6 1500 114 3 98 8| 0.0 4.0 4.0| 2.7 -11.4 -8.6 -5.8 0.07| 7.7 0.5 2000 89 4 89 9| 1.3 3.0 4.3| 5.3 -12.3 -7.0 -3.5 0.07| 7.1 0.5 2500 88 5 89 10| 1.1 2.4 3.5| 14.9 -12.3 2.6 1.0 0.14| 6.4 0.9 3000 90 5 90 10| 0.9 2.0 2.9| 30.0 -13.2 16.8 5.6 0.21| 7.1 1.5 4000 108 6 99 11| 1.6 1.5 3.1| 34.4 -16.0 18.5 4.6 0.23| 6.9 1.6 5000 218 7 168 5| 1.3 1.2 2.4| 40.0 -22.9 17.0 3.4 0.19| 6.7 1.2 6000 240 7 193 4| 0.9 0.9 1.7| 45.2 -24.5 20.8 3.5 0.20| 6.4 1.3 Wrote GIF file: /home/apache/climate/data/raob//NFFN/skewt/NFFN.skewt.20251216.23.gif