UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121311.upa.cvt Date: 1100Z 13 DEC 25 Searching for NFFN... Searching the city database file for: NFFN ... Date:1100Z 13 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 24.8 24.8 100 0.0 24.8 0 0 297.0 300.6 297.6 354.6 19.86 1 1000 111 25.4 21.1 77 4.3 22.3 60 8 298.5 301.4 295.5 344.9 15.95 2 996 146 25.6 20.7 74 4.9 22.1 55 7 299.1 301.9 295.4 344.6 15.61 3 925 795 22.2 17.2 73 5.0 18.8 50 5 302.0 304.5 294.7 341.7 13.47 4 850 1526 18.2 14.5 79 3.7 15.7 350 7 305.2 307.5 294.8 342.0 12.31 5 700 3166 8.6 6.6 87 2.0 7.4 340 8 312.0 313.7 294.1 339.1 8.77 6 667 3564 6.2 4.9 91 1.3 5.4 330 13 313.7 315.2 294.1 339.1 8.17 7 500 5880 -5.1 -5.3 98 0.2 -5.2 335 9 326.8 327.8 295.3 343.9 5.16 8 445 6792 -9.7 -10.3 95 0.6 -10.0 343 11 332.1 332.9 295.6 345.5 3.93 9 400 7610 -15.1 -18.3 76 3.2 -16.2 310 19 335.4 335.8 295.1 343.4 2.26 10 396 7686 -15.5 -19.0 74 3.5 -16.7 308 18 335.8 336.2 295.1 343.4 2.15 11 331 9013 -24.5 -25.8 89 1.3 -24.8 282 19 341.1 341.4 295.8 346.3 1.41 12 310 9486 -28.5 -29.7 89 1.2 -28.7 274 24 342.0 342.2 295.7 345.9 1.05 13 301 9696 -30.3 -35.3 62 5.0 -31.1 270 27 342.3 342.5 295.4 344.8 0.63 14 300 9720 -30.3 -35.3 62 5.0 -31.1 270 27 342.7 342.8 295.6 345.1 0.63 15 278 10257 -34.7 -40.7 54 6.0 -35.4 270 37 343.9 344.0 295.6 345.4 0.39 16 273 10383 -35.5 -37.9 79 2.4 -35.8 270 39 344.5 344.6 295.8 346.6 0.53 17 267 10538 -36.9 -46.9 35 10.0 -37.8 270 42 344.7 344.7 295.6 345.5 0.21 18 262 10668 -37.7 -47.7 34 10.0 -38.5 270 44 345.4 345.4 295.8 346.2 0.20 19 250 10990 -40.1 -55.1 19 15.0 -41.0 275 44 346.4 346.5 295.9 346.8 0.09 20 249 11017 -40.5 -56.5 16 16.0 -41.4 275 44 346.3 346.3 295.8 346.6 0.07 21 225 11699 -45.9 -55.9 31 10.0 -46.4 271 47 348.2 348.2 296.3 348.5 0.09 22 206 12279 -51.3 -55.0 65 3.7 -51.4 283 47 348.6 348.6 296.4 349.0 0.11 23 200 12470 -52.9 -57.0 61 4.1 -53.0 290 46 349.0 349.0 296.5 349.4 0.09 24 183 13036 -57.9 -61.7 62 3.8 -58.0 294 48 349.9 349.9 296.7 350.1 0.05 25 179 13175 -58.9 -64.9 46 6.0 -59.0 294 49 350.4 350.4 296.8 350.6 0.03 26 153 14141 -66.9 -69.7 68 2.8 -67.0 272 59 352.8 352.8 297.3 352.9 0.02 27 151 14220 -67.6 -70.6 65 3.1 -67.6 270 60 353.0 353.0 297.3 353.1 0.02 28 150 14260 -67.9 -71.1 63 3.2 -67.9 270 60 353.1 353.1 297.3 353.2 0.02 29 131 15062 -73.9 -80.9 33 7.0 -73.9 274 57 356.3 356.3 298.0 356.4 0.00 30 124 15380 -76.5 -81.5 45 5.0 -76.5 269 55 357.3 357.3 298.1 357.3 0.00 31 111 16011 -80.3 -84.8 47 4.5 -80.3 243 44 361.6 361.6 299.0 361.6 0.00 32 100 16600 -80.7 -87.7 30 7.0 -80.7 235 19 371.8 371.8 300.9 371.8 0.00 33 89 17250 -83.7 -88.6 42 4.9 -83.7 230 18 378.4 378.4 302.0 378.4 0.00 34 75 18215 -77.1 -87.1 19 10.0 -77.1 62 12 411.2 411.2 306.7 411.3 0.00 35 70 18610 -77.3 -87.3 19 10.0 -77.3 100 10 419.0 419.0 307.6 419.0 0.00 36 68 18777 -77.9 -87.9 18 10.0 -77.9 94 10 421.2 421.2 307.9 421.2 0.00 37 64 19127 -76.9 -88.9 13 12.0 -76.9 98 12 430.8 430.8 308.9 430.8 0.00 38 60 19506 -70.5 -88.5 5 18.0 -70.6 48 11 453.1 453.1 311.1 453.1 0.00 39 57 19813 -68.7 -88.7 4 20.0 -68.9 99 10 463.9 463.9 312.1 463.9 0.00 40 53 20249 -70.3 -88.3 5 18.0 -70.4 71 16 469.9 469.9 312.6 469.9 0.00 41 50 20600 -66.7 -87.7 4 21.0 -67.0 90 13 486.3 486.3 314.0 486.3 0.00 42 42 21661 -62.5 -87.5 2 25.0 -63.0 98 18 521.6 521.6 316.4 521.6 0.00 43 40 21961 -63.5 -87.5 2 24.0 -64.0 124 19 526.4 526.4 316.7 526.4 0.00 44 30 23740 -59.3 -87.3 1 28.0 -60.3 90 44 583.0 583.0 319.8 583.0 0.01 45 20 26320 -52.7 -83.7 1 31.0 -55.4 100 32 674.9 674.9 323.6 675.0 0.02 46 19 26652 -52.3 -84.3 1 32.0 -55.2 100 32 686.1 686.1 324.0 686.2 0.02 TRP 89 17250 -83.7 -88.6 42 4.9 -83.7 230 18 378.4 378.4 302.0 378.4 0.00 WND 151 14220 -67.6 -70.6 65 3.1 -67.6 270 60 353.0 353.0 297.3 353.1 0.02 Sounding variables and indices 1000-500 mb thick: 5769.00 m Freezing level: 575.37 mb = 4834.71 m = 15861.70 ft Wetbulb zero: 581.80 mb = 4662.22 m = 15295.80 ft Precipitable water: 2.29 inches Sfc-500 mean rel hum: 86.61 % Est. max temperature: 32.53 C = 90.56 F Sfc-Lift cond lev (LCL): 1011.48 mb = 18.00 m = 59.05 ft T: 24.80 C 700-500 lapse rate: 5.05 C/km ThetaE index: 12.81 C Layer 1000.0- 850.0 mb Conv cond level (CCL): 827.73 mb = 1750.21 m = 5742.10 ft Mean mixing ratio: 14.77 g/kg Conv temperature: 33.96 C = 93.13 F Cap Strength: 2.60 C Lifted Index: 0.15 C Risk: Showers probable Lifted Index @300 mb: 1.56 C Lifted Index @700 mb: -0.21 C Showalter Index: 0.86 C Risk: Thunderstorms probable Total Totals Index: 42.90 C Risk: None Vertical Totals Index: 23.30 C Cross Totals Index: 19.60 C K Index: 35.80 Risk: > 80 % chance of thunderstorms Sweat Index: 197.00 Risk: None Energy Index: 0.28 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 51.55 J/kg Max Up Vert Vel: 10.15 m/s Conv Inhibition (B-): 104.72 J/kg Cap Strength: 2.60 C Lift Cond Lev (LCL): 898.12 mb = 1049.91 m = 3444.54 ft Lev Free Conv (LFC): 713.12 mb = 3009.11 m = 9872.28 ft Equ Level (EL): 513.12 mb = 5671.78 m = 18607.98 ft B at Equ Level: 51.41 J/kg Max Parcel Lev (MPL): 393.12 mb = 7739.77 m = 25392.63 ft Wind level data Storm motion: 12 at 6 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 0 0 -0.0 -0.0 | 192 6 1.3 6.1 1 1000 111 60 8 -6.9 -4.0 | 110 6 -5.6 2.1 2 978 305 35 2 -1.1 -1.6 | 182 4 0.2 4.5 3 945 610 5 4 -0.3 -4.0 | 205 2 1.0 2.1 4 925 795 50 5 -3.8 -3.2 | 139 4 -2.5 2.9 5 912 914 20 8 -2.7 -7.5 | 45 2 -1.4 -1.4 6 850 1524 330 4 2.0 -3.5 | 232 4 3.3 2.6 7 850 1526 350 7 1.2 -6.9 | 288 3 2.5 -0.8 8 791 2134 335 5 2.1 -4.5 | 246 4 3.4 1.6 9 710 3048 340 8 2.7 -7.5 | 289 4 4.1 -1.4 10 700 3166 340 8 2.7 -7.5 | 289 4 4.1 -1.4 11 684 3353 350 12 2.1 -11.8 | 329 7 3.4 -5.7 12 659 3658 320 13 8.4 -10.0 | 292 10 9.7 -3.9 13 634 3962 320 15 9.6 -11.5 | 296 12 11.0 -5.4 14 611 4267 345 11 2.8 -10.6 | 317 6 4.2 -4.5 15 500 5880 335 9 3.8 -8.2 | 292 6 5.1 -2.1 16 486 6096 335 9 3.8 -8.2 | 292 6 5.1 -2.1 17 432 7010 345 12 3.1 -11.6 | 321 7 4.4 -5.5 18 400 7610 310 19 14.6 -12.2 | 291 17 15.9 -6.1 19 399 7620 310 18 13.8 -11.6 | 290 16 15.1 -5.5 20 353 8534 280 24 23.6 -4.2 | 266 25 25.0 1.9 21 338 8839 285 17 16.4 -4.4 | 265 18 17.7 1.7 22 300 9720 270 27 27.0 -0.0 | 258 29 28.3 6.1 23 262 10668 270 44 44.0 -0.0 | 262 46 45.3 6.1 24 251 10973 275 44 43.8 -3.8 | 267 45 45.2 2.3 25 250 10990 275 44 43.8 -3.8 | 267 45 45.2 2.3 26 218 11887 270 48 48.0 -0.0 | 263 50 49.3 6.1 27 200 12470 290 46 43.2 -15.7 | 282 46 44.6 -9.6 28 181 13106 295 48 43.5 -20.3 | 288 47 44.8 -14.2 29 151 14220 270 60 60.0 -0.0 | 264 62 61.3 6.1 30 150 14260 270 60 60.0 -0.0 | 264 62 61.3 6.1 31 148 14326 270 60 60.0 -0.0 | 264 62 61.3 6.1 32 127 15240 275 56 55.8 -4.9 | 269 57 57.1 1.2 33 114 15850 245 50 45.3 21.1 | 240 54 46.6 27.2 34 100 16600 235 19 15.6 10.9 | 225 24 16.9 17.0 35 97 16764 235 19 15.6 10.9 | 225 24 16.9 17.0 36 89 17250 230 18 13.8 11.6 | 221 23 15.1 17.7 37 87 17374 265 12 12.0 1.0 | 242 15 13.3 7.1 38 83 17678 210 16 8.0 13.9 | 205 22 9.3 19.9 39 78 17983 105 10 -9.7 2.6 | 136 12 -8.3 8.7 40 74 18288 50 12 -9.2 -7.7 | 78 8 -7.9 -1.6 41 70 18593 125 10 -8.2 5.7 | 150 14 -6.9 11.8 42 70 18610 100 10 -9.8 1.7 | 133 12 -8.5 7.8 43 67 18898 90 10 -10.0 0.0 | 125 11 -8.7 6.1 44 63 19202 100 12 -11.8 2.1 | 128 13 -10.5 8.2 45 60 19507 45 11 -7.8 -7.8 | 75 7 -6.5 -1.7 46 57 19812 100 10 -9.8 1.7 | 133 12 -8.5 7.8 47 52 20422 60 18 -15.6 -9.0 | 78 15 -14.3 -2.9 48 50 20600 90 13 -13.0 0.0 | 118 13 -11.7 6.1 49 49 20726 105 10 -9.7 2.6 | 136 12 -8.3 8.7 50 44 21336 75 21 -20.3 -5.4 | 92 19 -19.0 0.7 51 42 21641 95 18 -17.9 1.6 | 115 18 -16.6 7.7 52 40 21946 125 18 -14.7 10.3 | 141 21 -13.4 16.4 53 36 22555 100 33 -32.5 5.7 | 111 33 -31.2 11.8 54 33 23165 100 45 -44.3 7.8 | 108 45 -43.0 13.9 55 30 23740 90 44 -44.0 0.0 | 98 43 -42.7 6.1 56 28 24079 90 47 -47.0 0.0 | 98 46 -45.7 6.1 57 22 25603 105 34 -32.8 8.8 | 115 35 -31.5 14.9 58 20 26320 100 32 -31.5 5.6 | 111 32 -30.2 11.6 59 17 26822 100 31 -30.5 5.4 | 111 31 -29.2 11.5 Wind Parameters Mean winds (0-6000m): 342.3 at 8.3 knts Storm direction: 12.3 at 6.2 knts Shear (0-3000m) pos: 1.1 neg: 0.6 tot: 1.7 10-3/s Storm rel Dir Shear (0-3000m): 95.9 deg Storm rel helicity (0-3000m) pos: 11.3 neg: -16.9 tot: -5.6 m^2/s^2 ave: -1.9 10^-3 m/s^2 rel: -0.26 Storm rel vorticity (0-3000m) horiz: 6.8 stream: -1.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 6.97 Bulk Shear: 7.40 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 46 4 157 4| 3.5 0.0 3.5| 5.8 -9.4 -3.6 -7.1 -0.17| 16.8 -2.8 1000 33 5 151 2| 1.7 2.0 3.8| 6.1 -13.4 -7.2 -7.2 -0.40| 13.4 -5.3 1500 21 5 163 1| 1.2 1.0 2.1| 6.1 -15.3 -9.2 -6.1 -0.45| 10.8 -4.9 2000 9 5 209 1| 1.2 0.7 2.0| 8.4 -16.6 -8.2 -4.1 -0.35| 9.3 -3.3 2500 2 5 237 1| 1.0 0.7 1.7| 9.6 -16.9 -7.3 -2.9 -0.32| 7.8 -2.5 3000 357 6 255 2| 1.1 0.6 1.7| 11.3 -16.9 -5.6 -1.9 -0.26| 6.8 -1.8 4000 345 7 286 3| 0.8 1.3 2.1| 19.8 -27.2 -7.5 -1.9 -0.20| 6.8 -1.3 5000 343 8 294 4| 0.8 1.0 1.8| 25.6 -29.0 -3.4 -0.7 -0.15| 6.1 -0.9 6000 342 8 295 4| 0.7 0.9 1.5| 25.6 -31.0 -5.5 -0.9 -0.17| 5.2 -0.9 Wrote GIF file: /home/apache/climate/data/raob//NFFN/skewt/NFFN.skewt.20251213.11.gif