UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102023.upa.cvt Date: 2300Z 20 OCT 25 Searching for NFFN... Searching the city database file for: NFFN ... Date:2300Z 20 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 1013 18 29.2 21.2 62 8.0 23.5 290 10 301.2 304.1 296.1 347.8 15.84 1 1010 44 26.8 22.1 75 4.7 23.4 284 10 299.1 302.2 296.2 348.1 16.81 2 1000 131 26.4 20.4 70 6.0 22.2 265 11 299.5 302.3 295.3 344.1 15.26 3 982 291 26.0 20.0 70 6.0 21.8 260 10 300.7 303.5 295.6 345.2 15.16 4 925 815 23.0 19.0 78 4.0 20.2 85 12 302.8 305.6 296.1 347.6 15.12 5 850 1548 17.4 16.1 92 1.3 16.5 45 19 304.4 306.9 295.6 345.1 13.67 6 834 1710 16.6 15.1 91 1.5 15.6 45 19 305.2 307.6 295.3 344.2 13.05 7 824 1813 17.4 13.1 76 4.3 14.6 45 19 307.1 309.3 294.8 342.0 11.58 8 710 3075 12.8 1.8 47 11.0 6.6 165 1 315.4 316.6 293.0 334.8 6.15 9 700 3194 11.8 1.8 50 10.0 6.1 165 1 315.6 316.8 293.1 335.3 6.24 10 678 3460 9.6 4.6 71 5.0 6.6 205 1 316.0 317.5 294.5 340.7 7.87 11 561 5007 1.0 -12.0 37 13.0 -4.5 324 10 323.4 324.0 292.4 332.6 2.72 12 530 5461 -2.9 -9.9 58 7.0 -6.0 320 16 324.1 324.7 293.2 335.4 3.40 13 522 5581 -3.5 -17.5 33 14.0 -8.6 314 19 324.7 325.1 292.0 331.1 1.85 14 512 5734 -4.7 -10.7 63 6.0 -7.3 304 22 325.1 325.8 293.4 336.2 3.30 15 506 5826 -5.1 -17.1 38 12.0 -9.5 299 23 325.7 326.1 292.4 332.5 1.98 16 500 5920 -5.7 -12.7 58 7.0 -8.5 295 22 326.1 326.7 293.3 335.8 2.88 17 486 6143 -7.3 -9.1 87 1.8 -8.1 297 22 326.8 327.6 294.3 340.0 3.95 18 458 6604 -10.7 -13.8 78 3.1 -11.9 297 23 328.1 328.7 293.8 337.9 2.88 19 451 6723 -11.3 -16.3 66 5.0 -13.1 291 24 328.8 329.3 293.6 337.0 2.37 20 447 6792 -10.7 -22.7 37 12.0 -14.4 296 24 330.4 330.7 293.2 335.3 1.38 21 437 6966 -11.9 -26.9 28 15.0 -15.9 311 24 331.0 331.2 292.9 334.5 0.97 22 401 7621 -16.7 -28.7 35 12.0 -19.6 296 30 333.0 333.2 293.4 336.3 0.89 23 400 7640 -16.9 -28.9 35 12.0 -19.8 295 30 333.0 333.2 293.4 336.2 0.88 24 397 7696 -17.5 -25.5 50 8.0 -19.6 294 30 333.0 333.2 293.7 337.3 1.21 25 393 7772 -17.9 -22.9 65 5.0 -19.3 293 29 333.4 333.7 294.0 338.9 1.54 26 373 8162 -19.1 -28.1 45 9.0 -21.3 289 29 336.8 337.0 294.4 340.6 1.01 27 342 8802 -24.5 -34.5 39 10.0 -26.3 288 34 338.0 338.1 294.4 340.2 0.60 28 312 9463 -30.5 -34.4 69 3.9 -31.2 286 38 338.6 338.7 294.6 341.1 0.66 29 300 9740 -33.1 -37.8 63 4.7 -33.7 285 40 338.7 338.8 294.4 340.6 0.49 30 297 9810 -33.5 -41.5 44 8.0 -34.4 286 40 339.1 339.2 294.4 340.5 0.34 31 283 10146 -36.5 -41.5 60 5.0 -37.0 288 40 339.5 339.6 294.6 340.9 0.36 32 279 10244 -37.1 -46.1 39 9.0 -37.9 289 40 340.1 340.1 294.6 340.9 0.22 33 259 10752 -41.3 -49.3 42 8.0 -41.8 293 41 341.2 341.2 294.8 341.9 0.17 34 255 10857 -42.1 -52.1 33 10.0 -42.7 294 41 341.5 341.6 294.8 342.0 0.12 35 250 10990 -43.1 -45.3 79 2.2 -43.3 295 41 342.0 342.0 295.0 343.1 0.27 36 249 11017 -43.3 -45.0 83 1.7 -43.4 295 41 342.1 342.1 295.1 343.2 0.28 37 248 11044 -43.5 -49.5 51 6.0 -43.9 295 41 342.2 342.2 295.0 342.9 0.17 38 244 11154 -44.5 -61.5 13 17.0 -45.1 295 42 342.3 342.3 294.9 342.4 0.04 39 240 11264 -45.1 -64.1 10 19.0 -45.7 295 42 343.0 343.0 295.1 343.1 0.03 40 228 11605 -48.1 -56.1 39 8.0 -48.4 295 44 343.5 343.5 295.3 343.8 0.08 41 224 11722 -49.1 -64.1 16 15.0 -49.5 295 45 343.7 343.7 295.3 343.8 0.03 42 212 12083 -51.1 -71.1 7 20.0 -51.5 293 47 346.0 346.0 295.7 346.1 0.01 43 200 12460 -53.7 -71.7 9 18.0 -54.0 290 50 347.7 347.7 296.1 347.8 0.01 44 158 13928 -66.7 -72.7 42 6.0 -66.7 274 58 349.9 349.9 296.6 350.0 0.01 45 150 14240 -68.5 -73.4 49 4.9 -68.5 270 60 352.1 352.1 297.1 352.1 0.01 46 149 14280 -68.7 -73.7 49 5.0 -68.7 270 60 352.4 352.4 297.1 352.5 0.01 47 125 15316 -74.1 -81.1 33 7.0 -74.1 298 52 360.8 360.8 298.8 360.8 0.00 48 115 15801 -74.1 -85.1 17 11.0 -74.1 285 47 369.5 369.5 300.5 369.5 0.00 49 100 16610 -76.3 -85.3 23 9.0 -76.3 300 27 380.3 380.3 302.3 380.3 0.00 50 96 16845 -77.3 -86.3 22 9.0 -77.3 295 28 382.8 382.8 302.7 382.8 0.00 51 82 17757 -75.3 -87.3 14 12.0 -75.3 256 8 404.6 404.6 305.8 404.6 0.00 52 80 17901 -72.1 -87.1 9 15.0 -72.2 265 4 414.0 414.0 307.0 414.0 0.00 53 75 18281 -73.3 -88.3 8 15.0 -73.3 180 2 419.2 419.2 307.6 419.2 0.00 54 70 18690 -69.3 -89.3 4 20.0 -69.4 25 8 436.1 436.1 309.5 436.1 0.00 55 66 19043 -66.7 -88.7 3 22.0 -66.9 73 5 449.2 449.2 310.8 449.2 0.00 56 60 19615 -69.1 -89.1 4 20.0 -69.2 109 18 456.2 456.2 311.4 456.2 0.00 57 54 20251 -64.5 -89.5 2 25.0 -64.8 91 23 480.8 480.8 313.5 480.8 0.00 58 50 20720 -64.9 -88.9 2 24.0 -65.2 65 15 490.5 490.5 314.2 490.6 0.00 59 39 22251 -60.9 -87.9 2 27.0 -61.6 65 12 536.8 536.8 317.3 536.8 0.00 60 34 23097 -64.1 -89.1 2 25.0 -64.6 109 20 549.9 549.9 318.1 549.9 0.00 61 30 23870 -60.7 -88.7 1 28.0 -61.6 75 25 579.2 579.2 319.6 579.2 0.00 62 26 24768 -57.1 -87.1 1 30.0 -58.5 86 28 613.6 613.6 321.2 613.6 0.01 63 23 25541 -58.9 -86.9 2 28.0 -60.2 87 33 630.2 630.2 321.9 630.2 0.01 64 20 26430 -53.3 -84.3 1 31.0 -55.9 90 27 673.0 673.0 323.5 673.1 0.02 65 19 26762 -51.5 -83.5 1 32.0 -54.6 90 26 688.6 688.6 324.1 688.7 0.02 66 15 28304 -49.3 -82.3 1 33.0 -53.8 90 22 744.0 744.1 325.8 744.3 0.03 TRP 96 16845 -77.3 -86.3 22 9.0 -77.3 295 28 382.8 382.8 302.7 382.8 0.00 WND 149 14280 -68.7 -73.7 49 5.0 -68.7 270 60 352.4 352.4 297.1 352.5 0.01 Sounding variables and indices 1000-500 mb thick: 5789.00 m Freezing level: 553.05 mb = 5123.21 m = 16808.23 ft Wetbulb zero: 608.39 mb = 4344.57 m = 14253.66 ft Precipitable water: 2.01 inches Sfc-500 mean rel hum: 62.43 % Est. max temperature: 32.08 C = 89.74 F Sfc-Lift cond lev (LCL): 902.23 mb = 1031.11 m = 3382.85 ft T: 21.35 C 700-500 lapse rate: 6.42 C/km ThetaE index: 12.79 C Layer 850.0- 700.0 mb Conv cond level (CCL): 856.88 mb = 1478.07 m = 4849.25 ft Mean mixing ratio: 15.25 g/kg Conv temperature: 32.21 C = 89.97 F Cap Strength: 2.70 C Lifted Index: -1.38 C Risk: Thunderstorms probable Lifted Index @300 mb: -2.65 C Lifted Index @700 mb: 2.23 C Showalter Index: -0.92 C Risk: Thunderstorms probable Total Totals Index: 44.90 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.10 C Cross Totals Index: 21.80 C K Index: 29.20 Risk: 40-60 % chance of thunderstorms Sweat Index: 253.20 Risk: None Energy Index: -1.82 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 469.59 J/kg Max Up Vert Vel: 30.65 m/s Conv Inhibition (B-): 212.04 J/kg Cap Strength: 2.67 C Lift Cond Lev (LCL): 893.23 mb = 1118.00 m = 3667.92 ft Lev Free Conv (LFC): 548.23 mb = 5190.71 m = 17029.69 ft Equ Level (EL): 208.23 mb = 12198.86 m = 40022.03 ft B at Equ Level: 462.11 J/kg Max Parcel Lev (MPL): 128.23 mb = 15165.42 m = 49754.72 ft Wind level data Storm motion: 40 at 8 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 18 290 10 9.4 -3.4 | 260 15 14.5 2.6 1 1000 131 265 11 11.0 1.0 | 246 18 16.0 7.0 2 980 305 260 10 9.8 1.7 | 242 17 14.9 7.8 3 947 610 100 10 -9.8 1.7 | 149 9 -4.8 7.8 4 925 815 85 12 -12.0 -1.0 | 126 9 -6.9 5.0 5 914 914 80 13 -12.8 -2.3 | 116 9 -7.7 3.8 6 852 1524 45 20 -14.1 -14.1 | 48 12 -9.1 -8.1 7 850 1548 45 19 -13.4 -13.4 | 49 11 -8.3 -7.4 8 793 2134 45 19 -13.4 -13.4 | 49 11 -8.3 -7.4 9 712 3048 165 1 -0.3 1.0 | 214 9 4.8 7.0 10 700 3194 165 1 -0.3 1.0 | 214 9 4.8 7.0 11 613 4267 330 1 0.5 -0.9 | 227 8 5.6 5.2 12 527 5486 320 17 10.9 -13.0 | 293 17 16.0 -7.0 13 508 5791 300 23 19.9 -11.5 | 282 26 25.0 -5.4 14 500 5920 295 22 19.9 -9.3 | 277 25 25.0 -3.2 15 489 6096 295 22 19.9 -9.3 | 277 25 25.0 -3.2 16 470 6401 310 20 15.3 -12.9 | 288 22 20.4 -6.8 17 452 6706 290 24 22.6 -8.2 | 274 28 27.6 -2.1 18 434 7010 315 24 17.0 -17.0 | 296 25 22.1 -10.9 19 400 7640 295 30 27.2 -12.7 | 282 33 32.3 -6.6 20 385 7925 290 28 26.3 -9.6 | 276 32 31.4 -3.5 21 300 9740 285 40 38.6 -10.4 | 276 44 43.7 -4.3 22 251 10973 295 41 37.2 -17.3 | 285 44 42.2 -11.3 23 250 10990 295 41 37.2 -17.3 | 285 44 42.2 -11.3 24 218 11887 295 46 41.7 -19.4 | 286 49 46.8 -13.4 25 200 12460 290 50 47.0 -17.1 | 282 53 52.1 -11.0 26 150 14240 270 60 60.0 -0.0 | 265 65 65.1 6.1 27 149 14280 270 60 60.0 -0.0 | 265 65 65.1 6.1 28 140 14630 270 60 60.0 -0.0 | 265 65 65.1 6.1 29 133 14935 290 47 44.2 -16.1 | 281 50 49.3 -10.0 30 126 15240 300 51 44.2 -25.5 | 292 53 49.3 -19.4 31 120 15545 290 56 52.6 -19.2 | 283 59 57.7 -13.1 32 103 16459 270 22 22.0 -0.0 | 257 28 27.1 6.1 33 100 16610 300 27 23.4 -13.5 | 285 29 28.5 -7.4 34 97 16764 300 27 23.4 -13.5 | 285 29 28.5 -7.4 35 96 16845 295 28 25.4 -11.8 | 281 31 30.5 -5.8 36 88 17374 285 31 29.9 -8.0 | 273 35 35.0 -2.0 37 83 17678 250 10 9.4 3.4 | 237 17 14.5 9.5 38 79 17983 270 2 2.0 -0.0 | 229 9 7.1 6.1 39 71 18593 90 1 -1.0 0.0 | 214 7 4.1 6.1 40 70 18690 25 8 -3.4 -7.3 | 305 2 1.7 -1.2 41 64 19202 95 3 -3.0 0.3 | 198 7 2.1 6.3 42 58 19812 115 25 -22.7 10.6 | 133 24 -17.6 16.6 43 55 20117 105 28 -27.0 7.2 | 121 26 -22.0 13.3 44 53 20422 75 18 -17.4 -4.7 | 97 12 -12.3 1.4 45 50 20720 65 15 -13.6 -6.3 | 88 9 -8.5 -0.3 46 50 20726 85 16 -15.9 -1.4 | 113 12 -10.8 4.7 47 48 21031 50 15 -11.5 -9.6 | 61 7 -6.4 -3.6 48 45 21336 80 15 -14.8 -2.6 | 110 10 -9.7 3.5 49 41 21946 30 13 -6.5 -11.3 | 15 5 -1.4 -5.2 50 37 22555 100 11 -10.8 1.9 | 144 10 -5.7 8.0 51 34 23165 110 21 -19.7 7.2 | 132 20 -14.6 13.2 52 30 23870 75 25 -24.1 -6.5 | 89 19 -19.1 -0.4 53 29 24079 75 25 -24.1 -6.5 | 89 19 -19.1 -0.4 54 24 25298 95 31 -30.9 2.7 | 109 27 -25.8 8.8 55 23 25603 85 33 -32.9 -2.9 | 97 28 -27.8 3.2 56 22 25908 80 32 -31.5 -5.6 | 91 26 -26.4 0.5 57 20 26430 90 27 -27.0 0.0 | 105 23 -21.9 6.1 58 10 28651 90 16 -16.0 0.0 | 119 12 -10.9 6.1 Wind Parameters Mean winds (0-6000m): 10.0 at 10.6 knts Storm direction: 40.0 at 7.9 knts Shear (0-3000m) pos: 3.4 neg: 4.3 tot: 7.7 10-3/s Storm rel Dir Shear (0-3000m): -48.5 deg Storm rel helicity (0-3000m) pos: 69.7 neg: -159.6 tot: -89.9 m^2/s^2 ave: -30.0 10^-3 m/s^2 rel: -0.24 Storm rel vorticity (0-3000m) horiz: 13.6 stream: -3.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 11.01 Bulk Shear: 42.64 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 ------------------------------------------------------------------------------- 500 251 10 238 18| 0.0 19.5 19.5| 0.0 -99.8 -99.8 -199.7 -0.94| 25.6-24.1 1000 97 11 142 9| 0.0 11.9 11.9| 0.0-133.3-133.3 -133.3 -0.91| 20.6-18.8 1500 63 13 92 7| 0.0 8.9 8.9| 0.0-159.4-159.4 -106.3 -0.92| 17.3-15.9 2000 54 15 70 7| 0.0 6.4 6.4| 0.0-159.6-159.6 -79.8 -0.90| 13.2-11.9 2500 55 15 71 8| 3.0 5.1 8.1| 38.1-159.6-121.5 -48.6 -0.47| 13.7 -6.4 3000 52 13 68 6| 3.4 4.3 7.7| 69.7-159.6 -89.9 -30.0 -0.24| 13.6 -3.2 4000 52 10 85 3| 2.5 3.2 5.7| 75.2-159.6 -84.4 -21.1 -0.20| 10.6 -2.1 5000 43 9 62 1| 1.9 2.5 4.4| 94.3-159.6 -65.3 -13.1 -0.09| 9.5 -0.8 6000 10 11 323 5| 1.6 1.4 3.0|102.6-197.3 -94.7 -15.8 -0.11| 9.4 -1.0 Wrote GIF file: /home/apache/climate/data/raob//NFFN/skewt/NFFN.skewt.20251020.23.gif