UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041511.upa.cvt Date: 1100Z 15 APR 25 Searching for NFFN... Searching the city database file for: NFFN ... Date:1100Z 15 APR 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 26.2 23.3 84 2.9 24.1 120 3 298.2 301.5 296.8 350.8 18.06 1 1006 75 27.6 22.9 76 4.7 24.2 69 6 300.2 303.5 297.1 352.3 17.74 2 1000 124 27.2 22.7 76 4.5 23.9 25 8 300.4 303.6 297.1 352.1 17.63 3 925 811 22.6 20.1 86 2.5 20.8 15 12 302.4 305.4 296.7 350.4 16.22 4 890 1147 19.6 18.8 95 0.8 19.1 1 14 302.7 305.5 296.3 348.6 15.53 5 850 1543 17.4 16.7 96 0.7 17.0 345 17 304.4 307.0 295.9 346.7 14.21 6 827 1778 16.0 16.0 100 0.0 16.0 339 17 305.3 307.9 296.0 347.0 13.97 7 776 2319 14.0 10.8 81 3.2 11.9 336 18 308.8 310.7 294.5 340.8 10.55 8 745 2663 12.0 9.9 87 2.1 10.7 344 18 310.2 312.1 294.7 341.8 10.34 9 700 3184 9.0 7.9 93 1.1 8.3 350 18 312.5 314.3 294.8 342.1 9.60 10 672 3522 7.4 7.4 100 0.0 7.4 343 21 314.3 316.2 295.4 344.4 9.67 11 618 4210 5.2 2.4 82 2.8 3.6 350 32 319.4 320.9 295.0 343.0 7.39 12 569 4880 0.6 0.1 96 0.5 0.3 343 31 321.7 323.0 295.2 343.6 6.79 13 547 5196 -0.9 -0.9 100 0.0 -0.9 340 31 323.5 324.8 295.5 344.9 6.57 14 500 5910 -4.1 -5.7 89 1.6 -4.9 345 31 328.0 329.0 295.4 344.7 5.01 15 463 6513 -7.1 -10.8 75 3.7 -8.7 347 33 331.6 332.3 295.3 344.0 3.63 16 400 7640 -13.7 -15.7 85 2.0 -14.5 345 33 337.2 337.8 296.0 347.1 2.82 17 371 8208 -16.9 -19.1 83 2.2 -17.7 334 32 340.3 340.7 296.3 348.5 2.28 18 300 9770 -27.5 -30.1 78 2.6 -28.0 310 26 346.6 346.8 296.8 350.6 1.05 19 280 10265 -31.3 -34.3 75 3.0 -31.8 308 30 348.1 348.2 296.8 351.0 0.75 20 250 11060 -37.9 -41.1 72 3.2 -38.2 305 36 349.7 349.8 297.0 351.4 0.42 21 225 11774 -44.1 -48.3 63 4.2 -44.4 303 33 350.9 351.0 297.0 351.8 0.21 22 200 12550 -51.3 -54.7 67 3.4 -51.4 300 29 351.5 351.6 297.1 352.0 0.11 23 193 12781 -53.5 -56.9 66 3.4 -53.6 300 29 351.6 351.6 297.1 352.0 0.09 24 170 13584 -61.3 -65.8 55 4.5 -61.4 281 28 351.7 351.7 297.0 351.8 0.03 25 150 14350 -68.1 -73.1 49 5.0 -68.1 250 26 352.8 352.8 297.3 352.8 0.01 26 132 15101 -75.3 -80.2 46 4.9 -75.3 254 26 353.1 353.1 297.3 353.1 0.00 27 130 15189 -76.3 -81.0 47 4.7 -76.3 254 26 352.8 352.8 297.3 352.8 0.00 28 111 16083 -82.3 -86.7 47 4.4 -82.3 210 35 357.9 357.9 298.3 357.9 0.00 29 107 16289 -79.1 -85.1 37 6.0 -79.1 210 27 367.7 367.7 300.2 367.7 0.00 30 100 16670 -81.3 -86.3 42 5.0 -81.3 155 14 370.6 370.6 300.7 370.7 0.00 31 93 17076 -84.3 -89.2 42 4.9 -84.3 154 14 372.5 372.5 301.0 372.5 0.00 32 90 17260 -80.5 -87.5 30 7.0 -80.5 137 13 383.6 383.6 302.8 383.6 0.00 33 86 17516 -82.3 -88.3 35 6.0 -82.3 114 12 385.0 385.0 303.1 385.0 0.00 34 79 17999 -76.5 -85.5 23 9.0 -76.5 98 12 406.4 406.4 306.0 406.4 0.00 35 71 18610 -80.3 -88.3 25 8.0 -80.3 253 11 410.9 410.9 306.6 410.9 0.00 36 70 18690 -79.5 -88.5 21 9.0 -79.5 220 14 414.3 414.3 307.0 414.3 0.00 37 63 19290 -78.1 -88.1 18 10.0 -78.1 178 9 430.1 430.1 308.9 430.1 0.00 38 57 19873 -70.3 -87.3 7 17.0 -70.4 97 8 460.3 460.3 311.8 460.3 0.00 TRP 111 16083 -82.3 -86.7 47 4.4 -82.3 210 35 357.9 357.9 298.3 357.9 0.00 WND Sounding variables and indices 1000-500 mb thick: 5786.00 m Freezing level: 560.20 mb = 5006.06 m = 16423.88 ft Wetbulb zero: 563.41 mb = 4958.77 m = 16268.72 ft Precipitable water: 2.55 inches Sfc-500 mean rel hum: 90.59 % Est. max temperature: 31.79 C = 89.22 F Sfc-Lift cond lev (LCL): 971.59 mb = 377.97 m = 1240.05 ft T: 25.50 C 700-500 lapse rate: 4.81 C/km ThetaE index: 6.25 C Layer 776.0- 745.0 mb Conv cond level (CCL): 898.34 mb = 1065.44 m = 3495.49 ft Mean mixing ratio: 16.93 g/kg Conv temperature: 30.59 C = 87.05 F Cap Strength: 1.14 C Lifted Index: -1.60 C Risk: Thunderstorms probable Lifted Index @300 mb: 0.20 C Lifted Index @700 mb: -1.92 C Showalter Index: 0.04 C Risk: Thunderstorms probable Total Totals Index: 42.30 C Risk: None Vertical Totals Index: 21.50 C Cross Totals Index: 20.80 C K Index: 37.10 Risk: > 80 % chance of thunderstorms Sweat Index: 265.40 Risk: None Energy Index: -0.49 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 357.82 J/kg Max Up Vert Vel: 26.75 m/s Conv Inhibition (B-): 9.02 J/kg Cap Strength: 1.14 C Lift Cond Lev (LCL): 915.68 mb = 899.07 m = 2949.68 ft Lev Free Conv (LFC): 880.68 mb = 1237.30 m = 4059.33 ft Equ Level (EL): 310.68 mb = 9512.77 m = 31209.50 ft B at Equ Level: 357.81 J/kg Max Parcel Lev (MPL): 110.68 mb = 16098.75 m = 52816.78 ft Wind level data Storm motion: 17 at 17 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 18 120 3 -2.6 1.5 | 188 17 2.3 17.3 1 1000 124 25 8 -3.4 -7.3 | 190 9 1.5 8.5 2 980 305 25 15 -6.3 -13.6 | 147 3 -1.4 2.2 3 946 610 15 11 -2.8 -10.6 | 202 6 2.1 5.1 4 925 811 15 12 -3.1 -11.6 | 204 5 1.8 4.2 5 914 914 10 12 -2.1 -11.8 | 216 5 2.8 3.9 6 852 1524 345 18 4.7 -17.4 | 280 10 9.6 -1.6 7 850 1543 345 17 4.4 -16.4 | 274 9 9.3 -0.7 8 793 2134 330 17 8.5 -14.7 | 266 13 13.4 1.0 9 765 2438 340 18 6.2 -16.9 | 276 11 11.1 -1.2 10 711 3048 350 18 3.1 -17.7 | 284 8 8.1 -2.0 11 700 3184 350 18 3.1 -17.7 | 284 8 8.1 -2.0 12 686 3353 340 17 5.8 -16.0 | 271 11 10.7 -0.2 13 636 3962 350 32 5.6 -31.5 | 326 19 10.5 -15.8 14 612 4267 350 32 5.6 -31.5 | 326 19 10.5 -15.8 15 547 5182 340 31 10.6 -29.1 | 311 20 15.5 -13.4 16 500 5910 345 31 8.0 -29.9 | 318 19 13.0 -14.2 17 417 7315 350 36 6.3 -35.5 | 330 23 11.2 -19.7 18 400 7640 345 33 8.5 -31.9 | 320 21 13.5 -16.1 19 313 9449 310 29 22.2 -18.6 | 276 27 27.1 -2.9 20 300 9770 310 26 19.9 -16.7 | 272 25 24.8 -1.0 21 250 11060 305 36 29.5 -20.6 | 278 35 34.4 -4.9 22 200 12550 300 29 25.1 -14.5 | 268 30 30.0 1.3 23 192 12802 300 29 25.1 -14.5 | 268 30 30.0 1.3 24 183 13106 285 30 29.0 -7.8 | 257 35 33.9 8.0 25 151 14326 275 25 24.9 -2.2 | 246 33 29.8 13.6 26 150 14350 250 26 24.4 8.9 | 230 38 29.4 24.6 27 143 14630 250 26 24.4 8.9 | 230 38 29.4 24.6 28 129 15240 255 26 25.1 6.7 | 233 38 30.0 22.5 29 116 15850 220 27 17.4 20.7 | 211 43 22.3 36.4 30 111 16083 210 35 17.5 30.3 | 206 51 22.4 46.1 31 110 16154 225 35 24.7 24.7 | 216 50 29.7 40.5 32 104 16459 190 17 3.0 16.7 | 194 33 7.9 32.5 33 100 16670 155 14 -5.9 12.7 | 178 28 -1.0 28.4 34 98 16764 155 14 -5.9 12.7 | 178 28 -1.0 28.4 35 93 17069 155 14 -5.9 12.7 | 178 28 -1.0 28.4 36 84 17678 100 11 -10.8 1.9 | 162 19 -5.9 17.7 37 79 17983 85 12 -12.0 -1.0 | 154 16 -7.0 14.7 38 75 18288 260 16 15.8 2.8 | 228 28 20.7 18.5 39 71 18593 260 10 9.8 1.7 | 220 23 14.8 17.5 40 70 18690 220 14 9.0 10.7 | 208 30 13.9 26.5 41 67 18898 220 14 9.0 10.7 | 208 30 13.9 26.5 42 63 19202 185 10 0.9 10.0 | 193 26 5.8 25.7 43 60 19507 115 3 -2.7 1.3 | 187 17 2.2 17.0 44 53 20117 70 16 -15.0 -5.5 | 135 14 -10.1 10.3 Wind Parameters Mean winds (0-6000m): 347.4 at 22.0 knts Storm direction: 17.4 at 16.5 knts Shear (0-3000m) pos: 0.9 neg: 3.4 tot: 4.2 10-3/s Storm rel Dir Shear (0-3000m): 95.7 deg Storm rel helicity (0-3000m) pos: 23.4 neg: -11.4 tot: 12.0 m^2/s^2 ave: 4.0 10^-3 m/s^2 rel: 0.19 Storm rel vorticity (0-3000m) horiz: 7.1 stream: 1.4 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 12.18 Bulk Shear: 29.38 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 25 11 182 6| 0.0 13.5 13.5| 2.0 -4.0 -2.0 -4.1 -0.03| 19.2 -0.6 1000 19 11 194 5| 0.0 7.5 7.5| 5.8 -4.0 1.7 1.7 0.11| 12.0 1.3 1500 8 13 224 4| 0.0 6.9 6.9| 13.2 -4.0 9.1 6.1 0.23| 10.5 2.5 2000 359 14 250 5| 0.0 5.0 5.0| 13.2 -10.3 2.9 1.4 0.14| 9.0 1.3 2500 353 15 259 7| 0.6 4.0 4.6| 20.7 -11.4 9.3 3.7 0.18| 8.0 1.4 3000 352 15 264 7| 0.9 3.4 4.2| 23.4 -11.4 12.0 4.0 0.19| 7.1 1.4 4000 350 17 278 8| 1.9 3.0 4.9| 69.9 -15.4 54.4 13.6 0.32| 7.7 2.4 5000 349 20 294 10| 1.5 2.5 4.1| 69.9 -38.3 31.6 6.3 0.23| 6.6 1.5 6000 347 22 300 11| 1.4 2.1 3.5| 83.6 -42.7 40.9 6.8 0.24| 5.9 1.4 Wrote GIF file: /home/apache/climate/data/raob//NFFN/skewt/NFFN.skewt.20250415.11.gif