UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101811.upa.cvt Date: 1100Z 18 OCT 25 Searching for NFFN... Searching the city database file for: NFFN ... Date:1100Z 18 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 24.6 18.6 69 6.0 20.5 140 6 296.7 299.1 293.2 335.4 13.43 1 1000 126 24.6 18.6 69 6.0 20.5 135 5 297.8 300.2 293.6 337.2 13.61 2 999 135 24.8 18.8 69 6.0 20.6 134 5 298.0 300.5 293.9 338.1 13.80 3 925 807 20.4 15.9 75 4.5 17.4 70 12 300.2 302.4 293.4 336.4 12.38 4 850 1533 15.8 14.2 90 1.6 14.7 40 6 302.7 304.9 293.9 338.4 12.07 5 826 1776 14.2 13.8 97 0.4 14.0 64 7 303.5 305.7 294.2 339.4 12.10 6 802 2026 13.6 10.2 80 3.4 11.4 89 8 305.4 307.2 293.0 334.8 9.79 7 772 2347 10.8 10.6 99 0.2 10.7 88 8 305.8 307.7 293.6 337.2 10.46 8 760 2478 10.6 6.6 76 4.0 8.2 80 8 306.9 308.4 292.1 331.4 8.07 9 757 2511 10.4 10.4 100 0.0 10.4 78 8 307.0 309.0 294.0 338.8 10.52 10 717 2963 7.6 7.6 100 0.0 7.6 50 8 308.8 310.5 293.5 336.7 9.18 11 700 3161 7.2 7.2 100 0.0 7.2 45 8 310.5 312.2 294.0 338.5 9.15 12 571 4813 -1.7 -1.7 100 0.0 -1.7 323 9 318.6 319.8 293.7 337.6 5.93 13 545 5182 -4.5 -4.5 100 0.0 -4.5 286 10 319.6 320.6 293.3 335.8 5.03 14 543 5211 -4.7 -13.7 49 9.0 -8.2 282 11 319.7 320.2 291.1 327.8 2.44 15 538 5284 -5.3 -5.3 100 0.0 -5.3 270 15 319.8 320.7 293.2 335.3 4.80 16 534 5343 -6.5 -8.5 86 2.0 -7.4 260 18 319.1 319.8 292.1 331.3 3.77 17 533 5358 -5.7 -16.7 42 11.0 -9.6 258 19 320.2 320.6 290.8 326.7 1.94 18 527 5447 -5.7 -27.7 16 22.0 -11.6 243 23 321.2 321.4 289.9 323.9 0.74 19 526 5461 -5.3 -18.3 35 13.0 -9.8 240 24 321.9 322.2 291.0 327.7 1.72 20 515 5628 -5.3 -14.3 49 9.0 -8.8 251 28 323.8 324.3 292.3 332.1 2.45 21 501 5844 -5.9 -20.9 29 15.0 -10.8 270 30 325.7 325.9 291.9 330.7 1.44 22 500 5860 -6.1 -21.1 29 15.0 -11.0 270 30 325.6 325.9 291.9 330.6 1.42 23 411 7366 -16.1 -16.8 94 0.7 -16.3 314 23 331.5 332.0 294.4 340.2 2.50 24 400 7570 -17.1 -18.0 93 0.9 -17.4 310 27 332.8 333.2 294.6 340.9 2.32 25 345 8665 -25.3 -27.1 85 1.8 -25.7 324 40 336.0 336.3 294.4 340.4 1.20 26 300 9670 -31.5 -37.5 55 6.0 -32.4 330 48 341.0 341.1 295.0 342.9 0.51 27 295 9788 -31.9 -38.9 50 7.0 -32.9 329 48 342.1 342.1 295.2 343.8 0.45 28 294 9812 -32.3 -40.3 45 8.0 -33.3 328 48 341.8 341.9 295.1 343.3 0.39 29 278 10203 -35.7 -40.7 60 5.0 -36.2 317 50 342.4 342.5 295.3 344.0 0.39 30 271 10379 -37.3 -46.3 39 9.0 -38.1 312 50 342.6 342.7 295.1 343.5 0.22 31 269 10430 -37.7 -42.7 59 5.0 -38.2 310 50 342.8 342.8 295.3 344.1 0.33 32 268 10456 -37.7 -47.7 34 10.0 -38.5 309 50 343.1 343.2 295.3 343.9 0.19 33 258 10716 -39.9 -55.9 17 16.0 -40.8 301 51 343.6 343.7 295.3 344.0 0.08 34 250 10930 -41.9 -56.9 18 15.0 -42.6 295 52 343.8 343.8 295.3 344.1 0.07 35 229 11514 -47.1 -57.1 31 10.0 -47.5 291 56 344.6 344.6 295.5 344.9 0.07 36 201 12358 -54.7 -57.2 74 2.5 -54.8 285 63 345.7 345.7 295.7 346.0 0.08 37 200 12390 -55.1 -56.9 80 1.8 -55.2 285 63 345.5 345.5 295.7 345.9 0.09 38 198 12454 -55.1 -62.1 42 7.0 -55.3 285 64 346.5 346.5 295.9 346.7 0.05 39 196 12519 -55.3 -62.3 41 7.0 -55.5 285 64 347.2 347.2 296.1 347.4 0.04 40 189 12750 -57.3 -59.3 78 2.0 -57.3 285 66 347.6 347.6 296.1 347.9 0.07 41 186 12851 -58.3 -63.0 55 4.7 -58.4 285 67 347.6 347.6 296.1 347.8 0.04 42 172 13339 -62.7 -64.7 77 2.0 -62.7 285 71 348.2 348.2 296.3 348.3 0.04 43 171 13375 -63.0 -65.5 71 2.6 -63.0 285 71 348.3 348.3 296.3 348.5 0.03 44 165 13594 -64.5 -70.5 43 6.0 -64.6 285 71 349.3 349.3 296.5 349.4 0.02 45 150 14170 -69.1 -73.4 54 4.3 -69.1 280 66 351.1 351.1 296.9 351.1 0.01 46 148 14250 -70.1 -73.9 57 3.8 -70.1 279 65 350.7 350.7 296.8 350.7 0.01 47 122 15383 -75.9 -81.9 38 6.0 -75.9 270 57 360.0 360.0 298.7 360.0 0.00 48 111 15928 -76.7 -84.7 27 8.0 -76.7 280 55 368.4 368.4 300.3 368.4 0.00 49 108 16087 -72.1 -84.1 15 12.0 -72.2 283 55 380.0 380.0 302.2 380.0 0.00 50 100 16540 -72.7 -85.7 12 13.0 -72.8 285 30 387.3 387.3 303.4 387.3 0.00 51 90 17152 -76.7 -85.7 23 9.0 -76.7 291 34 391.1 391.1 303.9 391.2 0.00 52 84 17551 -75.5 -85.5 19 10.0 -75.5 278 32 401.4 401.4 305.4 401.4 0.00 TRP 122 15383 -75.9 -81.9 38 6.0 -75.9 270 57 360.0 360.0 298.7 360.0 0.00 WND 171 13375 -63.0 -65.5 71 2.6 -63.0 285 71 348.3 348.3 296.3 348.5 0.03 Sounding variables and indices 1000-500 mb thick: 5734.00 m Freezing level: 595.64 mb = 4497.16 m = 14754.30 ft Wetbulb zero: 595.33 mb = 4474.37 m = 14679.50 ft Precipitable water: 2.05 inches Sfc-500 mean rel hum: 86.39 % Est. max temperature: 30.22 C = 86.39 F Sfc-Lift cond lev (LCL): 927.96 mb = 779.13 m = 2556.17 ft T: 20.58 C 700-500 lapse rate: 4.93 C/km ThetaE index: 5.77 C Layer 760.0- 757.0 mb Conv cond level (CCL): 841.75 mb = 1615.90 m = 5301.46 ft Mean mixing ratio: 13.05 g/kg Conv temperature: 30.94 C = 87.70 F Cap Strength: 2.20 C Lifted Index: 1.91 C Risk: Showers probable Lifted Index @300 mb: 4.34 C Lifted Index @700 mb: 0.44 C Showalter Index: 1.32 C Risk: Showers probable Total Totals Index: 42.20 C Risk: None Vertical Totals Index: 21.90 C Cross Totals Index: 20.30 C K Index: 36.10 Risk: > 80 % chance of thunderstorms Sweat Index: 212.40 Risk: None Energy Index: -1.55 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 13.24 J/kg Max Up Vert Vel: 5.15 m/s Conv Inhibition (B-): 95.35 J/kg Cap Strength: 2.20 C Lift Cond Lev (LCL): 891.17 mb = 1126.95 m = 3697.29 ft Lev Free Conv (LFC): 556.17 mb = 5021.50 m = 16474.54 ft Equ Level (EL): 526.17 mb = 5458.98 m = 17909.83 ft B at Equ Level: 12.51 J/kg Max Parcel Lev (MPL): 506.17 mb = 5763.72 m = 18909.61 ft Wind level data Storm motion: 24 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 18 140 6 -3.9 4.6 | 177 12 -0.7 11.9 1 1000 126 135 5 -3.5 3.5 | 178 11 -0.3 10.9 2 980 305 120 4 -3.5 2.0 | 178 9 -0.3 9.3 3 946 610 75 9 -8.7 -2.3 | 132 7 -5.5 5.0 4 925 807 70 12 -11.3 -4.1 | 112 9 -8.1 3.2 5 914 914 65 10 -9.1 -4.2 | 118 7 -5.9 3.1 6 851 1524 40 6 -3.9 -4.6 | 166 3 -0.7 2.7 7 850 1533 40 6 -3.9 -4.6 | 166 3 -0.7 2.7 8 791 2134 100 8 -7.9 1.4 | 152 10 -4.7 8.7 9 709 3048 45 8 -5.7 -5.7 | 124 3 -2.5 1.7 10 700 3161 45 8 -5.7 -5.7 | 124 3 -2.5 1.7 11 658 3658 5 10 -0.9 -10.0 | 319 4 2.3 -2.6 12 633 3962 360 10 -0.0 -10.0 | 310 4 3.2 -2.7 13 610 4267 15 8 -2.1 -7.7 | 289 1 1.1 -0.4 14 544 5182 285 10 9.7 -2.6 | 250 14 12.9 4.7 15 524 5486 235 26 21.3 14.9 | 228 33 24.5 22.2 16 504 5791 270 30 30.0 -0.0 | 258 34 33.2 7.3 17 500 5860 270 30 30.0 -0.0 | 258 34 33.2 7.3 18 485 6096 270 30 30.0 -0.0 | 258 34 33.2 7.3 19 448 6706 285 27 26.1 -7.0 | 269 29 29.3 0.3 20 430 7010 310 18 13.8 -11.6 | 284 18 17.0 -4.2 21 414 7315 315 22 15.6 -15.6 | 294 20 18.8 -8.2 22 400 7570 310 27 20.7 -17.4 | 293 26 23.9 -10.0 23 397 7620 310 27 20.7 -17.4 | 293 26 23.9 -10.0 24 322 9144 330 46 23.0 -39.8 | 321 42 26.2 -32.5 25 300 9670 330 48 24.0 -41.6 | 322 44 27.2 -34.2 26 296 9754 330 48 24.0 -41.6 | 322 44 27.2 -34.2 27 250 10930 295 52 47.1 -22.0 | 286 52 50.3 -14.6 28 248 10973 295 52 47.1 -22.0 | 286 52 50.3 -14.6 29 200 12390 285 63 60.9 -16.3 | 278 65 64.1 -9.0 30 171 13375 285 71 68.6 -18.4 | 279 73 71.8 -11.0 31 162 13716 285 71 68.6 -18.4 | 279 73 71.8 -11.0 32 150 14170 280 66 65.0 -11.5 | 273 68 68.2 -4.1 33 122 15383 270 57 57.0 -0.0 | 263 61 60.2 7.3 34 119 15545 270 56 56.0 -0.0 | 263 60 59.2 7.3 35 107 16154 285 55 53.1 -14.2 | 277 57 56.3 -6.9 36 100 16540 285 30 29.0 -7.8 | 271 32 32.2 -0.4 37 96 16764 285 30 29.0 -7.8 | 271 32 32.2 -0.4 38 86 17374 295 37 33.5 -15.6 | 283 38 36.7 -8.3 39 81 17678 255 25 24.1 6.5 | 243 31 27.3 13.8 Wind Parameters Mean winds (0-6000m): 353.6 at 10.7 knts Storm direction: 23.6 at 8.0 knts Shear (0-3000m) pos: 1.0 neg: 2.5 tot: 3.5 10-3/s Storm rel Dir Shear (0-3000m): -51.7 deg Storm rel helicity (0-3000m) pos: 6.9 neg: -28.2 tot: -21.3 m^2/s^2 ave: -7.1 10^-3 m/s^2 rel: -0.27 Storm rel vorticity (0-3000m) horiz: 5.9 stream: -1.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.49 Bulk Shear: 26.94 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 ------------------------------------------------------------------------------- 500 117 5 171 10| 0.0 6.2 6.2| 0.8 -10.7 -9.9 -19.9 -0.60| 7.3 -4.4 1000 85 8 146 8| 0.0 5.2 5.2| 2.5 -21.3 -18.8 -18.8 -0.55| 8.0 -4.4 1500 74 8 141 7| 0.0 3.2 3.2| 5.1 -21.3 -16.2 -10.8 -0.29| 6.8 -2.0 2000 72 7 142 6| 1.5 2.4 3.8| 5.7 -22.5 -16.8 -8.4 -0.26| 6.6 -1.7 2500 76 8 143 7| 1.2 2.2 3.4| 6.9 -26.2 -19.3 -7.7 -0.26| 6.2 -1.6 3000 74 8 142 7| 1.0 2.5 3.5| 6.9 -28.2 -21.3 -7.1 -0.27| 5.9 -1.6 4000 57 8 130 5| 0.7 2.6 3.3| 6.9 -30.8 -24.0 -6.0 -0.34| 5.5 -1.9 5000 43 8 119 3| 0.6 2.2 2.8| 6.9 -40.0 -33.1 -6.6 -0.35| 5.7 -2.0 6000 354 11 307 5| 0.9 2.6 3.5|147.6-103.7 43.9 7.3 -0.14| 8.2 -1.2 Wrote GIF file: /home/apache/climate/data/raob//NFFN/skewt/NFFN.skewt.20251018.11.gif