UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102123.upa.cvt Date: 2300Z 21 OCT 25 Searching for NFFN... Searching the city database file for: NFFN ... Date:2300Z 21 OCT 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 1015 18 29.8 22.8 66 7.0 24.7 290 12 301.7 304.9 297.3 353.2 17.47 1 1013 35 27.8 23.7 78 4.1 24.8 290 12 299.8 303.2 297.5 354.1 18.51 2 1005 102 27.0 22.8 78 4.2 23.9 290 10 299.7 302.9 296.9 351.4 17.65 3 1000 144 27.4 21.4 70 6.0 23.1 290 9 300.5 303.5 296.3 348.2 16.25 4 925 831 22.2 20.5 90 1.7 21.0 20 9 302.0 305.1 296.9 351.1 16.63 5 908 992 21.0 19.6 92 1.4 20.0 21 10 302.4 305.3 296.5 349.7 16.01 6 850 1563 18.2 14.4 78 3.8 15.7 25 6 305.2 307.5 294.7 341.8 12.23 7 807 2007 16.2 10.2 68 6.0 12.4 37 8 307.7 309.5 293.6 337.1 9.73 8 757 2550 13.8 9.8 77 4.0 11.3 58 9 310.7 312.6 294.7 341.7 10.10 9 732 2833 12.4 3.4 54 9.0 7.2 70 10 312.2 313.5 292.5 333.0 6.69 10 731 2845 12.4 3.4 54 9.0 7.2 71 10 312.3 313.6 292.6 333.2 6.70 11 700 3207 9.2 6.7 84 2.5 7.7 80 13 312.7 314.4 294.3 340.0 8.83 12 669 3582 6.6 5.7 94 0.9 6.1 80 12 313.8 315.5 294.5 340.7 8.62 13 661 3681 7.0 2.2 71 4.8 4.3 77 13 315.4 316.7 293.5 336.8 6.80 14 636 3998 5.8 -0.2 65 6.0 2.5 71 13 317.5 318.6 293.4 336.4 5.94 15 634 4024 5.8 -0.2 65 6.0 2.5 73 13 317.8 318.9 293.5 336.8 5.96 16 562 5001 -1.3 -5.4 74 4.1 -3.3 96 11 320.6 321.4 293.2 335.4 4.55 17 559 5044 -1.1 -3.9 81 2.8 -2.5 107 10 321.3 322.3 293.8 338.0 5.13 18 550 5174 -1.1 -8.1 59 7.0 -4.3 139 8 322.8 323.5 293.1 335.3 3.78 19 544 5262 -1.7 -5.8 74 4.1 -3.7 161 7 323.1 324.0 293.9 338.1 4.56 20 540 5321 -1.9 -9.9 54 8.0 -5.4 176 6 323.5 324.2 293.0 334.6 3.34 21 516 5681 -4.9 -11.9 58 7.0 -7.8 239 4 324.1 324.7 292.8 334.1 2.98 22 500 5930 -4.7 -16.7 38 12.0 -9.2 265 3 327.3 327.7 292.9 334.5 2.07 23 487 6137 -5.9 -19.9 32 14.0 -10.7 260 4 328.3 328.6 292.8 334.0 1.62 24 433 7047 -11.1 -17.1 61 6.0 -13.3 258 16 332.9 333.4 294.6 341.0 2.31 25 405 7556 -15.1 -20.0 66 4.9 -16.7 278 23 334.2 334.6 294.6 341.0 1.93 26 400 7650 -15.5 -21.5 60 6.0 -17.4 275 21 334.8 335.2 294.6 341.0 1.72 27 362 8393 -20.3 -28.3 49 8.0 -22.2 265 29 338.1 338.3 294.8 341.9 1.03 28 330 9068 -26.3 -28.6 81 2.3 -26.8 256 37 339.0 339.2 295.0 343.0 1.09 29 311 9494 -28.3 -40.3 31 12.0 -30.0 255 37 342.0 342.0 295.1 343.4 0.37 30 300 9750 -30.7 -41.7 33 11.0 -32.1 255 37 342.1 342.2 295.1 343.4 0.33 31 251 10993 -40.9 -53.9 23 13.0 -41.6 255 46 344.9 344.9 295.6 345.3 0.10 32 250 11020 -41.1 -54.1 23 13.0 -41.9 255 45 345.0 345.0 295.6 345.4 0.10 33 231 11550 -46.3 -54.3 40 8.0 -46.7 255 45 344.9 345.0 295.6 345.4 0.10 34 223 11783 -47.5 -61.5 19 14.0 -48.0 255 45 346.6 346.6 295.9 346.8 0.04 35 200 12490 -53.9 -60.9 42 7.0 -54.1 255 45 347.4 347.4 296.1 347.6 0.05 36 188 12883 -57.7 -62.7 53 5.0 -57.8 255 44 347.5 347.5 296.1 347.7 0.04 37 184 13019 -58.7 -62.0 66 3.3 -58.7 255 43 348.0 348.0 296.3 348.2 0.05 38 150 14270 -68.9 -75.9 36 7.0 -68.9 255 62 351.4 351.4 297.0 351.4 0.01 39 147 14390 -69.6 -76.9 34 7.3 -69.6 255 63 352.2 352.2 297.1 352.3 0.01 40 140 14680 -71.3 -79.3 29 8.0 -71.3 254 61 354.2 354.2 297.5 354.2 0.01 41 135 14894 -71.7 -80.7 25 9.0 -71.8 249 54 357.2 357.2 298.1 357.2 0.00 42 120 15580 -76.3 -83.3 32 7.0 -76.3 251 35 361.0 361.0 298.9 361.0 0.00 43 117 15727 -73.7 -81.7 28 8.0 -73.7 256 32 368.4 368.4 300.3 368.4 0.00 44 100 16630 -79.1 -85.1 37 6.0 -79.1 355 1 374.9 374.9 301.4 374.9 0.00 45 93 17040 -81.5 -85.9 47 4.4 -81.5 310 16 378.0 378.0 301.9 378.0 0.00 46 85 17547 -80.5 -86.5 36 6.0 -80.5 304 7 389.9 389.9 303.8 389.9 0.00 47 77 18119 -71.3 -85.3 11 14.0 -71.4 226 8 420.2 420.2 307.7 420.3 0.00 48 73 18433 -73.3 -87.3 10 14.0 -73.3 146 11 422.5 422.5 308.0 422.5 0.00 49 70 18680 -71.9 -86.9 9 15.0 -72.0 60 13 430.6 430.6 308.9 430.6 0.00 50 50 20700 -64.3 -88.3 2 24.0 -64.6 130 14 492.0 492.0 314.4 492.0 0.00 51 42 21781 -58.7 -86.7 2 28.0 -59.5 83 13 531.0 531.0 317.0 531.0 0.01 52 41 21932 -58.5 -86.5 2 28.0 -59.3 71 12 535.1 535.2 317.2 535.2 0.01 53 34 23097 -62.7 -87.7 2 25.0 -63.3 90 15 553.5 553.5 318.3 553.6 0.01 54 30 23870 -62.1 -88.1 2 26.0 -62.8 90 24 575.3 575.3 319.5 575.4 0.01 55 26 24757 -61.5 -87.5 2 26.0 -62.4 90 23 601.1 601.1 320.6 601.1 0.01 56 21 26097 -56.9 -85.9 1 29.0 -58.6 56 30 652.8 652.8 322.8 652.9 0.01 57 20 26410 -52.3 -84.3 1 32.0 -55.1 75 19 676.1 676.1 323.6 676.2 0.02 58 19 26743 -50.5 -82.5 1 32.0 -53.9 59 25 691.7 691.7 324.1 691.9 0.02 59 16 27867 -49.3 -82.3 1 33.0 -53.6 88 23 730.4 730.4 325.4 730.7 0.03 60 14 28743 -49.1 -82.1 1 33.0 -53.8 78 19 759.5 759.6 326.2 759.8 0.03 TRP 93 17040 -81.5 -85.9 47 4.4 -81.5 310 16 378.0 378.0 301.9 378.0 0.00 WND 147 14390 -69.6 -76.9 34 7.3 -69.6 255 63 352.2 352.2 297.1 352.3 0.01 Sounding variables and indices 1000-500 mb thick: 5786.00 m Freezing level: 575.18 mb = 4822.38 m = 15821.25 ft Wetbulb zero: 602.48 mb = 4437.51 m = 14558.59 ft Precipitable water: 2.14 inches Sfc-500 mean rel hum: 72.62 % Est. max temperature: 32.61 C = 90.70 F Sfc-Lift cond lev (LCL): 917.46 mb = 902.28 m = 2960.19 ft T: 21.67 C 700-500 lapse rate: 5.10 C/km ThetaE index: 13.99 C Layer 908.0- 757.0 mb Conv cond level (CCL): 881.27 mb = 1250.78 m = 4103.55 ft Mean mixing ratio: 16.62 g/kg Conv temperature: 31.81 C = 89.25 F Cap Strength: 1.05 C Lifted Index: -1.79 C Risk: Thunderstorms probable Lifted Index @300 mb: -2.42 C Lifted Index @700 mb: -1.43 C Showalter Index: 1.37 C Risk: Showers probable Total Totals Index: 42.00 C Risk: None Vertical Totals Index: 22.90 C Cross Totals Index: 19.10 C K Index: 34.80 Risk: 60-80 % chance of thunderstorms Sweat Index: 187.80 Risk: None Energy Index: -1.40 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 847.29 J/kg Max Up Vert Vel: 41.17 m/s Conv Inhibition (B-): 31.42 J/kg Cap Strength: 1.05 C Lift Cond Lev (LCL): 913.44 mb = 940.51 m = 3085.61 ft Lev Free Conv (LFC): 728.44 mb = 2874.05 m = 9429.19 ft Equ Level (EL): 158.44 mb = 13934.85 m = 45717.45 ft B at Equ Level: 841.42 J/kg Max Parcel Lev (MPL): 98.44 mb = 16719.14 m = 54852.14 ft Wind level data Storm motion: 90 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 1015 18 290 12 11.3 -4.1 | 283 19 18.5 -4.1 1 1000 144 290 9 8.5 -3.1 | 281 16 15.7 -3.1 2 982 305 300 9 7.8 -4.5 | 287 16 15.0 -4.5 3 949 610 350 7 1.2 -6.9 | 309 11 8.4 -6.9 4 925 831 20 9 -3.1 -8.5 | 334 9 4.1 -8.5 5 916 914 20 11 -3.8 -10.3 | 342 11 3.5 -10.4 6 854 1524 30 7 -3.5 -6.1 | 329 7 3.7 -6.1 7 850 1563 25 6 -2.5 -5.4 | 319 7 4.7 -5.5 8 795 2134 40 8 -5.1 -6.1 | 341 7 2.1 -6.2 9 713 3048 80 10 -9.8 -1.7 | 56 3 -2.6 -1.8 10 700 3207 80 13 -12.8 -2.3 | 68 6 -5.6 -2.3 11 688 3353 85 12 -12.0 -1.0 | 77 5 -4.7 -1.1 12 638 3962 70 13 -12.2 -4.4 | 48 7 -5.0 -4.5 13 614 4267 90 15 -15.0 0.0 | 90 8 -7.8 -0.0 14 591 4572 95 18 -17.9 1.6 | 98 11 -10.7 1.5 15 569 4877 70 12 -11.3 -4.1 | 44 6 -4.1 -4.1 16 528 5486 220 4 2.6 3.1 | 253 10 9.8 3.0 17 500 5930 265 3 3.0 0.3 | 269 10 10.2 0.2 18 489 6096 260 4 3.9 0.7 | 267 11 11.2 0.7 19 435 7010 255 15 14.5 3.9 | 260 22 21.7 3.8 20 418 7315 290 22 20.7 -7.5 | 285 29 27.9 -7.6 21 402 7620 275 23 22.9 -2.0 | 274 30 30.1 -2.0 22 400 7650 275 21 20.9 -1.8 | 274 28 28.1 -1.9 23 326 9144 255 38 36.7 9.8 | 257 45 43.9 9.8 24 300 9750 255 37 35.7 9.6 | 257 44 43.0 9.5 25 300 9754 255 38 36.7 9.8 | 257 45 43.9 9.8 26 252 10973 255 47 45.4 12.2 | 257 54 52.6 12.1 27 250 11020 255 45 43.5 11.6 | 257 52 50.7 11.6 28 200 12490 255 45 43.5 11.6 | 257 52 50.7 11.6 29 200 12497 255 47 45.4 12.2 | 257 54 52.6 12.1 30 181 13106 255 42 40.6 10.9 | 257 49 47.8 10.8 31 150 14270 255 62 59.9 16.0 | 257 69 67.1 16.0 32 149 14326 255 62 59.9 16.0 | 257 69 67.1 16.0 33 147 14390 255 63 60.9 16.3 | 257 70 68.1 16.3 34 141 14630 255 63 60.9 16.3 | 257 70 68.1 16.3 35 127 15240 240 42 36.4 21.0 | 244 48 43.6 21.0 36 114 15850 260 29 28.6 5.0 | 262 36 35.8 5.0 37 109 16154 245 13 11.8 5.5 | 254 20 19.0 5.5 38 100 16630 355 1 0.1 -1.0 | 278 7 7.3 -1.0 39 98 16764 180 2 0.0 2.0 | 255 7 7.2 2.0 40 93 17040 310 16 12.3 -10.3 | 298 22 19.5 -10.3 41 88 17374 310 16 12.3 -10.3 | 298 22 19.5 -10.3 42 83 17678 300 2 1.7 -1.0 | 277 9 9.0 -1.0 43 75 18288 200 10 3.4 9.4 | 229 14 10.6 9.4 44 70 18680 60 13 -11.3 -6.5 | 32 8 -4.0 -6.5 45 68 18898 60 13 -11.3 -6.5 | 32 8 -4.0 -6.5 46 61 19507 115 17 -15.4 7.2 | 131 11 -8.2 7.1 47 55 20117 155 20 -8.5 18.1 | 176 18 -1.2 18.1 48 52 20422 140 19 -12.2 14.6 | 161 15 -5.0 14.5 49 50 20700 130 14 -10.7 9.0 | 159 10 -3.5 9.0 50 50 20726 115 17 -15.4 7.2 | 131 11 -8.2 7.1 51 47 21031 130 14 -10.7 9.0 | 159 10 -3.5 9.0 52 45 21336 100 13 -12.8 2.3 | 112 6 -5.6 2.2 53 43 21641 95 13 -13.0 1.1 | 101 6 -5.7 1.1 54 41 21946 70 12 -11.3 -4.1 | 44 6 -4.1 -4.1 55 37 22555 90 13 -13.0 0.0 | 90 6 -5.8 -0.0 56 32 23470 90 16 -16.0 0.0 | 90 9 -8.8 -0.0 57 30 23774 105 22 -21.3 5.7 | 112 15 -14.0 5.7 58 30 23870 90 24 -24.0 0.0 | 90 17 -16.8 -0.0 59 28 24384 80 22 -21.7 -3.8 | 75 15 -14.4 -3.9 60 26 24689 95 21 -20.9 1.8 | 97 14 -13.7 1.8 61 25 24994 75 28 -27.0 -7.2 | 70 21 -19.8 -7.3 62 24 25298 80 27 -26.6 -4.7 | 76 20 -19.4 -4.7 63 23 25603 60 30 -26.0 -15.0 | 51 24 -18.8 -15.0 64 21 26213 55 30 -24.6 -17.2 | 45 24 -17.4 -17.3 65 20 26410 75 19 -18.4 -4.9 | 66 12 -11.1 -5.0 66 19 26518 55 25 -20.5 -14.3 | 43 20 -13.3 -14.4 67 15 27432 95 22 -21.9 1.9 | 97 15 -14.7 1.9 68 13 28042 65 17 -15.4 -7.2 | 49 11 -8.2 -7.2 69 12 28346 70 14 -13.2 -4.8 | 51 8 -5.9 -4.8 70 11 28651 35 12 -6.9 -9.8 | 358 10 0.3 -9.9 71 10 28956 35 12 -6.9 -9.8 | 358 10 0.3 -9.9 Wind Parameters Mean winds (0-6000m): 60.3 at 9.6 knts Storm direction: 90.3 at 7.2 knts Shear (0-3000m) pos: 3.6 neg: 0.0 tot: 3.6 10-3/s Storm rel Dir Shear (0-3000m): 129.0 deg Storm rel helicity (0-3000m) pos: 51.8 neg: -7.6 tot: 44.2 m^2/s^2 ave: 14.7 10^-3 m/s^2 rel: 0.54 Storm rel vorticity (0-3000m) horiz: 5.5 stream: 2.9 10^-3/s Energy-Hel index: 0.24 Bulk Rich Number: 24.57 Bulk Shear: 34.49 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 ------------------------------------------------------------------------------- 500 301 9 288 16| 8.8 0.0 8.8| 21.8 -1.5 20.2 40.5 0.56| 9.7 5.4 1000 334 9 306 14| 8.3 0.0 8.3| 41.1 -2.1 39.0 39.0 0.65| 9.6 6.2 1500 353 9 317 12| 5.1 0.0 5.1| 41.1 -5.8 35.2 23.5 0.47| 7.6 3.6 2000 2 8 321 11| 4.1 0.0 4.1| 44.4 -7.6 36.8 18.4 0.45| 6.4 2.9 2500 13 8 326 10| 3.8 0.0 3.8| 48.4 -7.6 40.8 16.3 0.49| 5.8 2.9 3000 24 8 334 9| 3.6 0.0 3.6| 51.8 -7.6 44.2 14.7 0.54| 5.5 2.9 4000 46 9 356 7| 3.0 0.3 3.3| 55.3 -11.3 44.0 11.0 0.44| 5.1 2.2 5000 60 11 20 6| 2.3 0.2 2.5| 71.0 -23.6 47.4 9.5 0.37| 6.2 2.3 6000 60 10 13 5| 0.8 0.2 1.0|104.9 -24.0 80.9 13.5 0.49| 6.8 3.4 Wrote GIF file: /home/apache/climate/data/raob//NFFN/skewt/NFFN.skewt.20251021.23.gif