UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102111.upa.cvt Date: 1100Z 21 OCT 25 Searching for NFFN... Searching the city database file for: NFFN ... Date:1100Z 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 1016 18 24.8 24.8 100 0.0 24.8 0 0 296.6 300.2 297.4 353.7 19.76 1 1011 59 26.0 24.1 89 1.9 24.6 346 1 298.2 301.7 297.4 353.6 19.02 2 1000 149 25.4 23.0 87 2.4 23.7 315 4 298.5 301.8 296.8 350.9 17.96 3 925 833 21.0 20.0 94 1.0 20.3 15 8 300.8 303.7 296.2 348.1 16.11 4 899 1080 19.4 18.7 96 0.7 18.9 26 8 301.6 304.4 295.8 346.6 15.27 5 850 1562 17.4 13.0 75 4.4 14.6 20 8 304.4 306.4 293.7 337.6 11.14 6 712 3061 10.8 2.8 58 8.0 6.2 39 3 312.9 314.2 292.7 333.5 6.59 7 700 3203 9.8 6.0 77 3.8 7.5 85 9 313.3 314.9 294.2 339.5 8.41 8 695 3263 9.4 8.1 92 1.3 8.6 86 9 313.5 315.4 295.3 343.9 9.81 9 673 3530 8.2 5.2 81 3.0 6.4 89 8 315.1 316.7 294.6 341.0 8.27 10 500 5930 -5.9 -13.9 53 8.0 -9.1 270 12 325.8 326.4 293.0 334.7 2.61 11 400 7640 -17.9 -23.9 59 6.0 -19.6 285 32 331.7 332.0 293.5 336.7 1.39 12 300 9730 -30.3 -53.3 9 23.0 -32.3 280 50 342.7 342.7 295.0 343.0 0.09 13 250 11000 -41.1 -53.1 26 12.0 -41.8 290 54 345.0 345.0 295.6 345.4 0.11 14 200 12470 -54.3 -71.3 11 17.0 -54.6 265 54 346.8 346.8 295.9 346.8 0.01 15 179 13175 -59.9 -73.4 16 13.5 -60.0 260 63 348.9 348.9 296.4 348.9 0.01 16 150 14260 -68.7 -76.7 31 8.0 -68.8 260 52 351.7 351.7 297.0 351.8 0.01 17 116 15754 -78.3 -81.9 56 3.6 -78.3 270 35 360.8 360.8 298.8 360.8 0.00 18 100 16600 -76.9 -84.9 27 8.0 -76.9 210 4 379.1 379.1 302.1 379.2 0.00 19 91 17145 -74.3 -86.3 14 12.0 -74.3 233 11 394.7 394.7 304.5 394.7 0.00 20 85 17539 -76.5 -87.5 16 11.0 -76.5 171 14 398.0 398.0 304.9 398.0 0.00 21 76 18193 -70.3 -88.3 5 18.0 -70.4 78 10 423.9 423.9 308.2 423.9 0.00 22 71 18596 -71.1 -89.1 5 18.0 -71.2 110 8 430.5 430.5 308.9 430.5 0.00 23 70 18680 -70.3 -89.3 5 19.0 -70.4 125 7 434.0 434.0 309.3 434.0 0.00 24 58 19805 -68.3 -89.3 3 21.0 -68.5 60 16 462.5 462.5 312.0 462.5 0.00 25 54 20239 -64.3 -89.3 2 25.0 -64.6 85 12 481.2 481.2 313.5 481.3 0.00 26 50 20710 -64.3 -89.3 2 25.0 -64.6 100 13 492.0 492.0 314.4 492.0 0.00 27 46 21221 -64.9 -88.9 2 24.0 -65.3 114 13 502.4 502.4 315.1 502.4 0.00 28 32 23475 -58.5 -87.5 1 29.0 -59.5 89 18 574.5 574.5 319.4 574.5 0.01 29 30 23880 -59.7 -87.7 1 28.0 -60.6 110 22 581.9 581.9 319.8 581.9 0.01 30 29 24091 -60.5 -88.5 1 28.0 -61.4 113 21 585.4 585.4 319.9 585.4 0.01 31 23 25556 -53.5 -85.5 1 32.0 -55.8 95 24 646.1 646.1 322.5 646.1 0.01 32 20 26450 -55.1 -86.1 1 31.0 -57.3 75 28 667.5 667.5 323.3 667.6 0.01 33 19 26779 -53.3 -85.3 1 32.0 -56.0 81 31 683.0 683.0 323.9 683.1 0.01 34 17 27494 -54.3 -85.3 1 31.0 -57.0 81 27 701.8 701.8 324.5 702.0 0.02 35 14 28763 -45.7 -81.7 1 36.0 -51.8 102 23 771.1 771.1 326.5 771.4 0.04 TRP 116 15754 -78.3 -81.9 56 3.6 -78.3 270 35 360.8 360.8 298.8 360.8 0.00 WND 179 13175 -59.9 -73.4 16 13.5 -60.0 260 63 348.9 348.9 296.4 348.9 0.01 Sounding variables and indices 1000-500 mb thick: 5781.00 m Freezing level: 572.39 mb = 4925.74 m = 16160.37 ft Wetbulb zero: 601.35 mb = 4439.21 m = 14564.16 ft Precipitable water: 2.14 inches Sfc-500 mean rel hum: 73.72 % Est. max temperature: 31.68 C = 89.02 F Sfc-Lift cond lev (LCL): 1016.48 mb = 18.00 m = 59.05 ft T: 24.80 C 700-500 lapse rate: 5.76 C/km ThetaE index: 20.24 C Layer 1011.0- 700.0 mb Conv cond level (CCL): 926.32 mb = 820.51 m = 2691.92 ft Mean mixing ratio: 17.20 g/kg Conv temperature: 28.96 C = 84.13 F Cap Strength: 0.68 C Lifted Index: -2.93 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -1.84 C Lifted Index @700 mb: -0.77 C Showalter Index: 1.87 C Risk: Showers probable Total Totals Index: 42.20 C Risk: None Vertical Totals Index: 23.30 C Cross Totals Index: 18.90 C K Index: 32.50 Risk: 60-80 % chance of thunderstorms Sweat Index: 184.00 Risk: None Energy Index: -0.52 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1004.41 J/kg Max Up Vert Vel: 44.82 m/s Conv Inhibition (B-): 3.26 J/kg Cap Strength: 0.68 C Lift Cond Lev (LCL): 942.95 mb = 664.39 m = 2179.74 ft Lev Free Conv (LFC): 907.95 mb = 994.09 m = 3261.42 ft Equ Level (EL): 167.95 mb = 13566.10 m = 44507.65 ft B at Equ Level: 1001.81 J/kg Max Parcel Lev (MPL): 97.95 mb = 16719.73 m = 54854.08 ft Wind level data Storm motion: 64 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 1016 18 0 0 -0.0 -0.0 | 244 5 4.1 2.0 1 1000 149 315 4 2.8 -2.8 | 277 7 6.9 -0.9 2 982 305 290 4 3.8 -1.4 | 266 8 7.8 0.6 3 949 610 315 4 2.8 -2.8 | 277 7 6.9 -0.9 4 925 833 15 8 -2.1 -7.7 | 341 6 2.0 -5.8 5 916 914 25 9 -3.8 -8.2 | 357 6 0.3 -6.2 6 854 1524 30 4 -2.0 -3.5 | 306 3 2.1 -1.5 7 850 1562 20 8 -2.7 -7.5 | 346 6 1.4 -5.6 8 794 2134 10 8 -1.4 -7.9 | 335 7 2.7 -5.9 9 713 3048 35 3 -1.7 -2.5 | 282 2 2.4 -0.5 10 700 3203 85 9 -9.0 -0.8 | 103 5 -4.9 1.2 11 614 4267 100 7 -6.9 1.2 | 138 4 -2.8 3.2 12 548 5182 0 0 -0.0 -0.0 | 244 5 4.1 2.0 13 528 5486 255 5 4.8 1.3 | 250 9 8.9 3.2 14 509 5791 265 10 10.0 0.9 | 259 14 14.1 2.8 15 500 5930 270 12 12.0 -0.0 | 263 16 16.1 2.0 16 489 6096 270 12 12.0 -0.0 | 263 16 16.1 2.0 17 470 6401 315 14 9.9 -9.9 | 300 16 14.0 -7.9 18 452 6706 285 19 18.4 -4.9 | 278 23 22.4 -3.0 19 401 7620 285 31 29.9 -8.0 | 280 35 34.0 -6.1 20 400 7640 285 32 30.9 -8.3 | 280 36 35.0 -6.3 21 385 7925 270 33 33.0 -0.0 | 267 37 37.1 2.0 22 354 8534 280 46 45.3 -8.0 | 277 50 49.4 -6.0 23 339 8839 285 44 42.5 -11.4 | 281 48 46.6 -9.4 24 300 9730 280 50 49.2 -8.7 | 277 54 53.3 -6.7 25 299 9754 275 49 48.8 -4.3 | 273 53 52.9 -2.3 26 262 10668 290 54 50.7 -18.5 | 287 57 54.8 -16.5 27 250 11000 290 54 50.7 -18.5 | 287 57 54.8 -16.5 28 229 11582 280 47 46.3 -8.2 | 277 51 50.4 -6.2 29 200 12470 265 54 53.8 4.7 | 263 58 57.9 6.7 30 179 13175 260 63 62.0 10.9 | 259 67 66.1 12.9 31 172 13411 260 63 62.0 10.9 | 259 67 66.1 12.9 32 156 14021 260 48 47.3 8.3 | 259 52 51.4 10.3 33 150 14260 260 52 51.2 9.0 | 259 56 55.3 11.0 34 120 15545 255 49 47.3 12.7 | 254 53 51.4 14.6 35 116 15754 270 35 35.0 -0.0 | 267 39 39.1 2.0 36 108 16154 270 36 36.0 -0.0 | 267 40 40.1 2.0 37 103 16459 265 29 28.9 2.5 | 262 33 33.0 4.5 38 100 16600 210 4 2.0 3.5 | 228 8 6.1 5.4 39 97 16764 205 10 4.2 9.1 | 217 14 8.3 11.0 40 92 17069 250 11 10.3 3.8 | 248 16 14.4 5.7 41 88 17374 185 11 1.0 11.0 | 201 14 5.0 12.9 42 83 17678 160 17 -5.8 16.0 | 175 18 -1.7 17.9 43 79 17983 135 10 -7.1 7.1 | 162 10 -3.0 9.0 44 75 18288 55 10 -8.2 -5.7 | 47 6 -4.1 -3.8 45 70 18680 125 7 -5.7 4.0 | 165 6 -1.6 6.0 46 68 18898 80 6 -5.9 -1.0 | 117 2 -1.8 0.9 47 64 19202 140 11 -7.1 8.4 | 164 11 -3.0 10.4 48 58 19812 60 16 -13.9 -8.0 | 58 11 -9.8 -6.0 49 55 20117 60 14 -12.1 -7.0 | 58 9 -8.0 -5.0 50 52 20422 120 10 -8.7 5.0 | 147 8 -4.6 7.0 51 50 20710 100 13 -12.8 2.3 | 116 10 -8.7 4.2 52 50 20726 130 19 -14.6 12.2 | 144 18 -10.5 14.2 53 47 21031 95 13 -13.0 1.1 | 109 9 -8.9 3.1 54 45 21336 125 13 -10.6 7.5 | 145 11 -6.6 9.4 55 41 21946 140 12 -7.7 9.2 | 162 12 -3.6 11.1 56 39 22250 85 16 -15.9 -1.4 | 93 12 -11.8 0.6 57 31 23774 90 18 -18.0 0.0 | 98 14 -13.9 2.0 58 30 23880 110 22 -20.7 7.5 | 120 19 -16.6 9.5 59 29 24079 115 21 -19.0 8.9 | 126 18 -14.9 10.8 60 28 24384 85 22 -21.9 -1.9 | 90 18 -17.8 0.0 61 26 24689 105 26 -25.1 6.7 | 112 23 -21.0 8.7 62 25 24994 90 22 -22.0 0.0 | 96 18 -17.9 2.0 63 23 25603 95 24 -23.9 2.1 | 102 20 -19.8 4.0 64 22 25908 115 30 -27.2 12.7 | 122 27 -23.1 14.6 65 20 26450 75 28 -27.0 -7.2 | 77 24 -23.0 -5.3 66 20 26518 85 33 -32.9 -2.9 | 88 29 -28.8 -0.9 67 18 26822 75 28 -27.0 -7.2 | 77 24 -23.0 -5.3 68 13 28042 110 22 -20.7 7.5 | 120 19 -16.6 9.5 69 12 28346 115 17 -15.4 7.2 | 129 15 -11.3 9.1 70 11 28651 95 17 -16.9 1.5 | 105 13 -12.8 3.4 71 10 28956 35 17 -9.8 -13.9 | 25 13 -5.7 -12.0 Wind Parameters Mean winds (0-6000m): 34.5 at 6.0 knts Storm direction: 64.5 at 4.5 knts Shear (0-3000m) pos: 1.2 neg: 1.3 tot: 2.5 10-3/s Storm rel Dir Shear (0-3000m): 41.6 deg Storm rel helicity (0-3000m) pos: 24.3 neg: -9.3 tot: 15.0 m^2/s^2 ave: 5.0 10^-3 m/s^2 rel: 0.26 Storm rel vorticity (0-3000m) horiz: 5.5 stream: 1.4 10^-3/s Energy-Hel index: 0.15 Bulk Rich Number: 152.59 Bulk Shear: 6.58 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 ------------------------------------------------------------------------------- 500 303 3 269 7| 0.0 4.1 4.1| 5.6 -2.3 3.3 6.7 0.39| 7.0 2.7 1000 343 5 297 6| 4.3 2.1 6.3| 21.8 -2.7 19.1 19.1 0.69| 8.9 6.1 1500 2 5 311 5| 1.8 1.4 3.2| 21.8 -5.4 16.5 11.0 0.43| 7.4 3.1 2000 7 6 320 5| 1.4 2.0 3.3| 24.3 -6.7 17.6 8.8 0.42| 6.9 2.9 2500 9 6 324 5| 1.2 1.6 2.7| 24.3 -7.6 16.7 6.7 0.36| 6.0 2.2 3000 11 6 322 5| 1.2 1.3 2.5| 24.3 -9.3 15.0 5.0 0.26| 5.5 1.4 4000 34 6 351 3| 1.7 1.0 2.7| 29.3 -9.3 20.1 5.0 0.41| 5.6 2.3 5000 44 6 4 2| 1.4 1.4 2.8| 29.9 -10.6 19.4 3.9 0.34| 5.5 1.9 6000 34 6 348 3| 0.7 1.5 2.1| 41.9 -15.8 26.0 4.3 0.29| 5.8 1.7 Wrote GIF file: /home/apache/climate/data/raob//NFFN/skewt/NFFN.skewt.20251021.11.gif