UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041623.upa.cvt Date: 2300Z 16 APR 25 Searching for NFFN... Searching the city database file for: NFFN ... Date:2300Z 16 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 1014 18 28.6 23.6 74 5.0 24.9 40 3 300.6 303.9 297.6 354.5 18.38 1 1000 134 27.2 23.7 81 3.5 24.6 360 8 300.4 303.8 297.8 355.5 18.76 2 925 819 21.2 20.8 98 0.4 20.9 325 12 301.0 304.1 296.8 350.8 16.95 3 918 885 20.6 20.6 100 0.0 20.6 328 12 301.0 304.1 296.8 350.6 16.87 4 850 1550 18.0 16.0 88 2.0 16.7 340 16 305.0 307.5 295.6 345.6 13.58 5 700 3192 9.8 7.9 88 1.9 8.6 315 13 313.3 315.2 295.1 343.1 9.60 6 651 3791 6.2 6.1 99 0.1 6.1 327 11 315.8 317.6 295.4 344.4 9.12 7 638 3957 6.4 4.7 89 1.7 5.4 316 11 317.9 319.5 295.4 344.6 8.43 8 624 4139 5.4 2.9 84 2.5 3.9 310 13 318.8 320.2 295.0 342.9 7.58 9 500 5920 -4.1 -4.5 97 0.4 -4.3 335 15 328.0 329.1 295.8 346.3 5.49 10 485 6160 -5.3 -5.5 98 0.2 -5.4 338 15 329.4 330.5 296.0 347.0 5.24 11 404 7574 -13.1 -14.6 88 1.5 -13.7 337 10 337.0 337.6 296.1 347.7 3.05 12 400 7650 -13.5 -15.0 88 1.5 -14.1 340 9 337.4 338.1 296.2 348.0 2.98 13 350 8654 -19.7 -22.5 78 2.8 -20.5 305 15 342.2 342.6 296.4 348.8 1.80 14 300 9780 -28.1 -30.4 81 2.3 -28.6 270 18 345.8 346.0 296.5 349.6 1.02 15 275 10397 -33.1 -35.3 81 2.2 -33.4 251 21 347.3 347.4 296.6 349.9 0.69 16 257 10869 -36.5 -40.0 70 3.5 -37.0 245 25 349.0 349.1 296.8 350.9 0.46 17 250 11060 -38.1 -41.0 74 2.9 -38.4 250 25 349.4 349.5 296.9 351.1 0.42 18 235 11482 -41.9 -46.2 63 4.3 -42.2 253 26 349.9 350.0 296.8 351.0 0.26 19 225 11774 -44.7 -46.9 79 2.2 -44.9 258 28 350.0 350.1 296.8 351.0 0.25 20 205 12389 -49.9 -54.4 59 4.5 -50.1 249 25 351.3 351.3 297.0 351.8 0.11 21 200 12550 -51.7 -54.1 75 2.4 -51.8 245 24 350.9 350.9 297.0 351.4 0.12 22 192 12814 -54.1 -61.1 42 7.0 -54.3 244 25 351.2 351.2 297.0 351.4 0.05 23 183 13121 -57.1 -62.1 53 5.0 -57.2 243 26 351.2 351.2 296.9 351.4 0.05 24 161 13920 -64.3 -68.1 59 3.8 -64.3 240 25 352.1 352.1 297.1 352.2 0.02 25 150 14350 -68.3 -73.3 49 5.0 -68.4 240 19 352.4 352.4 297.2 352.5 0.01 26 147 14471 -69.3 -75.3 41 6.0 -69.4 242 18 352.7 352.7 297.3 352.8 0.01 27 139 14803 -69.7 -84.7 9 15.0 -69.8 248 17 357.7 357.7 298.2 357.7 0.00 28 100 16690 -84.3 -86.5 68 2.2 -84.3 275 16 364.9 364.9 299.7 364.9 0.00 29 94 17031 -85.3 -89.0 51 3.7 -85.3 290 9 369.4 369.4 300.5 369.4 0.00 30 86 17523 -82.5 -88.5 35 6.0 -82.5 227 17 384.6 384.6 303.0 384.6 0.00 31 70 18680 -79.3 -89.3 18 10.0 -79.3 90 15 414.7 414.7 307.1 414.7 0.00 32 66 19014 -79.5 -90.5 15 11.0 -79.6 80 15 421.3 421.3 307.9 421.3 0.00 33 58 19773 -66.1 -92.1 1 26.0 -66.3 148 22 467.4 467.5 312.4 467.5 0.00 34 58 19773 -66.1 -92.1 1 26.0 -66.3 148 22 467.4 467.5 312.4 467.5 0.00 35 55 20094 -67.9 -89.9 3 22.0 -68.1 179 17 470.5 470.5 312.7 470.5 0.00 36 50 20670 -66.3 -90.3 2 24.0 -66.5 235 8 487.2 487.2 314.0 487.3 0.00 37 42 21729 -65.5 -89.5 2 24.0 -65.8 97 16 514.1 514.1 315.9 514.2 0.00 38 36 22679 -60.5 -88.5 1 28.0 -61.2 77 19 550.3 550.3 318.1 550.3 0.00 39 33 23219 -61.9 -88.9 2 27.0 -62.6 65 16 560.4 560.4 318.6 560.4 0.00 40 30 23820 -54.3 -86.3 1 32.0 -56.0 85 24 596.6 596.6 320.5 596.7 0.01 41 29 24038 -53.7 -85.7 1 32.0 -55.6 85 24 604.1 604.1 320.8 604.1 0.01 42 24 25263 -50.3 -84.3 1 34.0 -53.3 57 17 647.5 647.6 322.6 647.6 0.01 43 20 26450 -51.3 -84.3 1 33.0 -54.4 135 21 679.1 679.2 323.7 679.3 0.02 44 19 26783 -51.5 -84.5 1 33.0 -54.6 129 18 688.6 688.6 324.1 688.7 0.02 45 18 27137 -48.5 -83.5 1 35.0 -52.7 132 20 708.8 708.8 324.7 708.9 0.02 TRP 94 17031 -85.3 -89.0 51 3.7 -85.3 290 9 369.4 369.4 300.5 369.4 0.00 WND Sounding variables and indices 1000-500 mb thick: 5786.00 m Freezing level: 553.52 mb = 5151.28 m = 16900.32 ft Wetbulb zero: 564.78 mb = 4940.49 m = 16208.77 ft Precipitable water: 2.62 inches Sfc-500 mean rel hum: 90.20 % Est. max temperature: 32.22 C = 89.99 F Sfc-Lift cond lev (LCL): 943.42 mb = 645.74 m = 2118.53 ft T: 22.72 C 700-500 lapse rate: 5.10 C/km ThetaE index: 12.37 C Layer 925.0- 651.0 mb Conv cond level (CCL): 931.59 mb = 756.61 m = 2482.29 ft Mean mixing ratio: 17.84 g/kg Conv temperature: 28.99 C = 84.18 F Cap Strength: 0.21 C Lifted Index: -2.24 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -1.40 C Lifted Index @700 mb: -1.65 C Showalter Index: 0.48 C Risk: Thunderstorms probable Total Totals Index: 42.20 C Risk: None Vertical Totals Index: 22.10 C Cross Totals Index: 20.10 C K Index: 36.20 Risk: > 80 % chance of thunderstorms Sweat Index: 239.00 Risk: None Energy Index: 0.04 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 701.88 J/kg Max Up Vert Vel: 37.47 m/s Conv Inhibition (B-): 0.00 J/kg Cap Strength: 0.21 C Lift Cond Lev (LCL): 935.44 mb = 720.38 m = 2363.43 ft Lev Free Conv (LFC): 930.44 mb = 767.48 m = 2517.93 ft Equ Level (EL): 140.44 mb = 14741.94 m = 48365.36 ft B at Equ Level: 668.71 J/kg Max Parcel Lev (MPL): 90.44 mb = 17244.20 m = 56574.77 ft Wind level data Storm motion: 351 at 10 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 1014 18 40 3 -1.9 -2.3 | 155 8 -3.4 7.1 1 1000 134 360 8 -0.0 -8.0 | 135 2 -1.4 1.4 2 981 305 355 8 0.7 -8.0 | 153 2 -0.8 1.5 3 947 610 350 11 1.9 -10.8 | 342 1 0.5 -1.4 4 925 819 325 12 6.9 -9.8 | 274 5 5.4 -0.4 5 915 914 330 12 6.0 -10.4 | 282 5 4.6 -1.0 6 883 1219 325 12 6.9 -9.8 | 274 5 5.4 -0.4 7 853 1524 335 17 7.2 -15.4 | 316 8 5.7 -6.0 8 850 1550 340 16 5.5 -15.0 | 324 7 4.0 -5.6 9 822 1829 345 15 3.9 -14.5 | 334 6 2.4 -5.1 10 793 2134 345 13 3.4 -12.6 | 328 4 1.9 -3.1 11 765 2438 320 11 7.1 -8.4 | 260 6 5.6 1.0 12 712 3048 305 12 9.8 -6.9 | 253 9 8.4 2.6 13 700 3192 315 13 9.2 -9.2 | 268 8 7.7 0.2 14 661 3658 335 11 4.6 -10.0 | 279 3 3.2 -0.5 15 637 3962 315 11 7.8 -7.8 | 255 7 6.3 1.7 16 613 4267 305 14 11.5 -8.0 | 262 10 10.0 1.4 17 590 4572 290 15 14.1 -5.1 | 251 13 12.6 4.3 18 548 5182 295 14 12.7 -5.9 | 253 12 11.2 3.5 19 500 5920 335 15 6.3 -13.6 | 310 6 4.9 -4.2 20 489 6096 340 15 5.1 -14.1 | 322 6 3.7 -4.7 21 434 7010 305 13 10.6 -7.5 | 258 9 9.2 2.0 22 402 7620 340 10 3.4 -9.4 | 269 2 2.0 0.0 23 400 7650 340 9 3.1 -8.5 | 239 2 1.6 1.0 24 355 8534 315 15 10.6 -10.6 | 277 9 9.2 -1.2 25 341 8839 285 14 13.5 -3.6 | 244 13 12.1 5.8 26 300 9780 270 18 18.0 -0.0 | 240 19 16.6 9.4 27 288 10058 265 18 17.9 1.6 | 236 20 16.5 11.0 28 264 10668 240 24 20.8 12.0 | 222 29 19.3 21.4 29 250 11060 250 25 23.5 8.6 | 231 28 22.0 18.0 30 242 11278 250 25 23.5 8.6 | 231 28 22.0 18.0 31 221 11887 260 29 28.6 5.0 | 242 31 27.1 14.5 32 200 12550 245 24 21.8 10.1 | 226 28 20.3 19.6 33 166 13716 240 28 24.2 14.0 | 224 33 22.8 23.4 34 150 14350 240 19 16.5 9.5 | 218 24 15.0 18.9 35 143 14630 245 16 14.5 6.8 | 219 21 13.1 16.2 36 104 16459 280 22 21.7 -3.8 | 254 21 20.2 5.6 37 100 16690 275 16 15.9 -1.4 | 241 17 14.5 8.0 38 99 16764 270 17 17.0 -0.0 | 239 18 15.6 9.4 39 94 17031 290 9 8.5 -3.1 | 228 9 7.0 6.4 40 93 17069 275 16 15.9 -1.4 | 241 17 14.5 8.0 41 71 18593 115 18 -16.3 7.6 | 134 25 -17.8 17.0 42 70 18680 90 15 -15.0 0.0 | 120 19 -16.4 9.4 43 64 19202 75 15 -14.5 -3.9 | 109 17 -15.9 5.6 44 61 19507 120 26 -22.5 13.0 | 133 33 -24.0 22.4 45 50 20670 235 8 6.6 4.6 | 200 15 5.1 14.0 46 43 21641 95 17 -16.9 1.5 | 121 21 -18.4 10.9 47 41 21946 100 13 -12.8 2.3 | 129 18 -14.2 11.7 48 37 22555 80 20 -19.7 -3.5 | 106 22 -21.1 6.0 49 32 23470 60 14 -12.1 -7.0 | 100 14 -13.6 2.4 50 30 23774 90 21 -21.0 0.0 | 113 24 -22.4 9.4 51 30 23820 85 24 -23.9 -2.1 | 106 26 -25.4 7.3 52 29 24079 85 24 -23.9 -2.1 | 106 26 -25.4 7.3 53 28 24384 85 24 -23.9 -2.1 | 106 26 -25.4 7.3 54 25 24994 75 16 -15.5 -4.1 | 107 18 -16.9 5.3 55 24 25298 55 17 -13.9 -9.8 | 89 15 -15.4 -0.3 56 20 26450 135 21 -14.8 14.8 | 146 29 -16.3 24.3 57 20 26518 125 17 -13.9 9.8 | 141 25 -15.4 19.2 58 18 26822 135 20 -14.1 14.1 | 147 28 -15.6 23.6 59 17 27127 100 24 -23.6 4.2 | 118 29 -25.1 13.6 60 15 27432 90 31 -31.0 0.0 | 106 34 -32.4 9.4 Wind Parameters Mean winds (0-6000m): 321.3 at 12.7 knts Storm direction: 351.3 at 9.5 knts Shear (0-3000m) pos: 0.7 neg: 2.5 tot: 3.2 10-3/s Storm rel Dir Shear (0-3000m): 98.7 deg Storm rel helicity (0-3000m) pos: 13.3 neg: -13.4 tot: -0.0 m^2/s^2 ave: -0.0 10^-3 m/s^2 rel: -0.16 Storm rel vorticity (0-3000m) horiz: 6.3 stream: -1.0 10^-3/s Energy-Hel index: 0.06 Bulk Rich Number: 85.07 Bulk Shear: 8.25 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 ------------------------------------------------------------------------------- 500 357 8 146 2| 0.0 8.7 8.7| 0.3 -2.2 -1.9 -3.8 -0.31| 9.5 -3.0 1000 344 10 264 1| 0.0 5.9 5.9| 1.2 -4.9 -3.7 -3.7 -0.36| 8.6 -3.1 1500 338 11 285 3| 1.8 3.9 5.7| 9.4 -5.5 3.9 2.6 -0.07| 7.8 -0.6 2000 340 12 304 3| 1.1 2.9 4.0| 13.3 -5.8 7.6 3.8 0.01| 7.1 0.1 2500 339 12 301 3| 0.8 2.6 3.4| 13.3 -11.9 1.4 0.6 -0.15| 7.0 -1.1 3000 334 12 290 4| 0.7 2.5 3.2| 13.3 -13.4 -0.0 -0.0 -0.16| 6.3 -1.0 4000 331 12 282 4| 1.1 2.2 3.3| 19.5 -15.5 4.0 1.0 -0.09| 6.1 -0.6 5000 323 12 274 6| 1.0 2.3 3.2| 21.4 -22.0 -0.6 -0.1 -0.10| 5.7 -0.6 6000 321 13 274 7| 1.7 1.9 3.6| 42.8 -22.0 20.8 3.5 0.05| 5.7 0.3 Wrote GIF file: /home/apache/climate/data/raob//NFFN/skewt/NFFN.skewt.20250416.23.gif