UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041523.upa.cvt Date: 2300Z 15 APR 25 Searching for NFFN... Searching the city database file for: NFFN ... Date:2300Z 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 29.8 23.8 70 6.0 25.4 290 3 301.8 305.3 298.1 356.9 18.63 1 1005 81 28.0 23.4 76 4.6 24.6 333 4 300.7 304.1 297.6 354.6 18.32 2 1000 121 27.8 23.3 77 4.5 24.5 360 5 301.0 304.3 297.7 354.8 18.30 3 925 811 22.8 18.4 76 4.4 19.7 310 11 302.6 305.3 295.7 345.7 14.55 4 853 1514 18.4 16.4 88 2.0 17.0 305 20 305.1 307.7 295.9 346.6 13.89 5 850 1544 18.4 15.8 85 2.6 16.6 305 20 305.4 307.9 295.6 345.5 13.40 6 717 2989 11.8 8.0 78 3.8 9.4 353 14 313.4 315.2 295.0 342.7 9.44 7 700 3190 10.2 8.1 87 2.1 8.9 350 14 313.8 315.6 295.3 344.0 9.74 8 624 4137 4.0 3.7 98 0.3 3.8 343 22 317.2 318.7 294.9 342.5 8.03 9 603 4415 2.4 2.4 100 0.0 2.4 338 22 318.4 319.9 294.9 342.5 7.57 10 509 5769 -4.7 -4.7 100 0.0 -4.7 327 28 325.6 326.7 295.1 343.2 5.31 11 500 5910 -4.7 -7.4 81 2.7 -6.0 325 29 327.3 328.2 294.8 342.0 4.39 12 458 6601 -7.5 -10.0 82 2.5 -8.7 317 34 332.1 332.9 295.6 345.5 3.91 13 400 7650 -13.3 -15.4 84 2.1 -14.1 305 32 337.7 338.3 296.1 347.9 2.89 14 365 8342 -17.1 -22.1 65 5.0 -18.7 309 29 341.6 342.0 296.2 348.1 1.78 15 310 9544 -26.5 -28.3 85 1.8 -26.9 285 26 344.8 345.0 296.5 349.3 1.20 16 300 9780 -27.7 -32.4 64 4.7 -28.6 280 25 346.3 346.5 296.5 349.6 0.84 17 291 9998 -29.5 -34.5 62 5.0 -30.4 284 23 346.8 347.0 296.5 349.6 0.70 18 274 10424 -32.9 -37.9 61 5.0 -33.6 291 19 347.9 348.0 296.6 350.0 0.53 19 253 10978 -37.9 -39.5 85 1.6 -38.1 300 13 348.5 348.6 296.7 350.5 0.49 20 250 11060 -38.7 -40.7 81 2.0 -38.9 300 13 348.5 348.6 296.7 350.3 0.44 21 232 11568 -42.9 -46.4 68 3.5 -43.2 304 19 349.7 349.7 296.8 350.7 0.26 22 230 11626 -43.5 -50.5 46 7.0 -43.9 304 20 349.6 349.7 296.7 350.3 0.16 23 223 11834 -45.1 -48.6 68 3.5 -45.3 297 21 350.3 350.3 296.9 351.1 0.21 24 220 11924 -45.9 -54.9 35 9.0 -46.3 294 21 350.4 350.4 296.8 350.8 0.10 25 214 12107 -47.7 -53.7 50 6.0 -48.0 288 21 350.4 350.4 296.8 350.9 0.12 26 207 12326 -49.3 -60.3 27 11.0 -49.7 281 22 351.2 351.2 297.0 351.5 0.05 27 200 12550 -51.5 -60.5 33 9.0 -51.8 275 22 351.2 351.2 297.0 351.5 0.06 28 192 12813 -53.9 -62.9 32 9.0 -54.1 262 22 351.5 351.5 297.0 351.7 0.04 29 189 12914 -54.7 -68.7 16 14.0 -54.9 257 22 351.8 351.8 297.0 351.9 0.02 30 173 13474 -59.5 -69.5 26 10.0 -59.6 230 22 352.9 352.9 297.3 353.0 0.02 31 168 13656 -61.3 -65.0 61 3.7 -61.4 229 24 352.8 352.9 297.3 353.0 0.04 32 150 14350 -66.7 -73.7 37 7.0 -66.8 225 31 355.2 355.2 297.7 355.2 0.01 33 143 14637 -69.1 -78.1 26 9.0 -69.2 220 32 355.9 355.9 297.9 355.9 0.01 34 125 15426 -76.1 -80.9 47 4.8 -76.1 203 28 357.2 357.2 298.1 357.2 0.00 35 120 15660 -77.7 -83.7 37 6.0 -77.7 205 24 358.4 358.4 298.4 358.4 0.00 36 117 15806 -76.1 -86.1 19 10.0 -76.1 212 21 364.0 364.0 299.5 364.0 0.00 37 100 16700 -80.9 -86.9 36 6.0 -80.9 30 7 371.4 371.4 300.8 371.4 0.00 38 84 17665 -86.9 -90.0 57 3.1 -86.9 205 5 378.2 378.2 301.9 378.2 0.00 39 80 17930 -87.1 -90.3 55 3.2 -87.1 145 10 383.1 383.1 302.8 383.1 0.00 40 73 18434 -83.1 -89.1 34 6.0 -83.1 74 20 401.8 401.8 305.5 401.8 0.00 41 70 18670 -78.7 -89.7 15 11.0 -78.7 80 22 416.0 416.0 307.2 416.0 0.00 42 67 18921 -75.9 -90.9 8 15.0 -75.9 82 22 427.3 427.3 308.6 427.3 0.00 43 66 19009 -72.3 -90.3 5 18.0 -72.4 73 18 437.0 437.0 309.6 437.0 0.00 44 64 19190 -70.9 -92.9 2 22.0 -71.0 55 10 443.9 443.9 310.3 443.9 0.00 45 57 19871 -74.1 -90.1 7 16.0 -74.2 255 12 451.6 451.6 311.0 451.6 0.00 46 50 20650 -65.9 -90.9 2 25.0 -66.2 120 32 488.2 488.2 314.1 488.2 0.00 47 44 21432 -65.3 -90.3 2 25.0 -65.6 78 33 507.8 507.8 315.5 507.8 0.00 48 34 23041 -56.9 -86.9 1 30.0 -58.0 102 11 568.8 568.8 319.1 568.8 0.01 49 30 23840 -55.5 -86.5 1 31.0 -57.0 115 19 593.3 593.3 320.3 593.4 0.01 50 28 24282 -53.3 -85.3 1 32.0 -55.3 107 20 611.3 611.3 321.1 611.3 0.01 51 24 25266 -57.1 -86.1 1 29.0 -58.6 97 19 627.8 627.8 321.8 627.9 0.01 52 21 26121 -51.9 -84.9 1 33.0 -54.8 98 23 667.9 667.9 323.3 668.0 0.01 TRP 84 17665 -86.9 -90.0 57 3.1 -86.9 205 5 378.2 378.2 301.9 378.2 0.00 WND Sounding variables and indices 1000-500 mb thick: 5789.00 m Freezing level: 571.23 mb = 4872.73 m = 15986.46 ft Wetbulb zero: 571.15 mb = 4848.60 m = 15907.28 ft Precipitable water: 2.48 inches Sfc-500 mean rel hum: 88.13 % Est. max temperature: 32.74 C = 90.93 F Sfc-Lift cond lev (LCL): 929.09 mb = 771.95 m = 2532.61 ft T: 23.08 C 700-500 lapse rate: 5.48 C/km ThetaE index: 9.14 C Layer 925.0- 853.0 mb Conv cond level (CCL): 867.06 mb = 1371.90 m = 4500.92 ft Mean mixing ratio: 16.43 g/kg Conv temperature: 32.59 C = 90.66 F Cap Strength: 1.51 C Lifted Index: -1.88 C Risk: Thunderstorms probable Lifted Index @300 mb: 0.46 C Lifted Index @700 mb: -0.48 C Showalter Index: -0.09 C Risk: Thunderstorms probable Total Totals Index: 43.60 C Risk: None Vertical Totals Index: 23.10 C Cross Totals Index: 20.50 C K Index: 36.80 Risk: > 80 % chance of thunderstorms Sweat Index: 258.60 Risk: None Energy Index: -0.76 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 273.59 J/kg Max Up Vert Vel: 23.39 m/s Conv Inhibition (B-): 42.53 J/kg Cap Strength: 1.51 C Lift Cond Lev (LCL): 902.55 mb = 1024.05 m = 3359.70 ft Lev Free Conv (LFC): 707.55 mb = 3100.21 m = 10171.18 ft Equ Level (EL): 377.55 mb = 8086.27 m = 26529.44 ft B at Equ Level: 270.72 J/kg Max Parcel Lev (MPL): 137.55 mb = 14864.82 m = 48768.50 ft Wind level data Storm motion: 3 at 13 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 3 2.8 -1.0 | 196 13 3.4 12.2 1 1000 121 360 5 -0.0 -5.0 | 184 8 0.6 8.2 2 979 305 350 8 1.4 -7.9 | 200 6 2.0 5.4 3 946 610 320 10 6.4 -7.7 | 231 9 7.0 5.6 4 925 811 310 11 8.4 -7.1 | 236 11 9.0 6.2 5 914 914 320 14 9.0 -10.7 | 255 10 9.6 2.5 6 852 1524 305 20 16.4 -11.5 | 264 17 17.0 1.8 7 850 1544 305 20 16.4 -11.5 | 264 17 17.0 1.8 8 793 2134 320 13 8.4 -10.0 | 250 10 8.9 3.3 9 738 2743 5 12 -1.0 -12.0 | 161 1 -0.5 1.3 10 712 3048 350 14 2.4 -13.8 | 280 3 3.0 -0.5 11 700 3190 350 14 2.4 -13.8 | 280 3 3.0 -0.5 12 686 3353 360 15 -0.0 -15.0 | 341 2 0.6 -1.8 13 613 4267 340 23 7.9 -21.6 | 315 12 8.5 -8.4 14 590 4572 335 21 8.9 -19.0 | 301 11 9.5 -5.8 15 527 5486 330 27 13.5 -23.4 | 306 17 14.1 -10.1 16 500 5910 325 29 16.6 -23.8 | 301 20 17.2 -10.5 17 488 6096 325 29 16.6 -23.8 | 301 20 17.2 -10.5 18 452 6706 315 35 24.7 -24.7 | 294 28 25.3 -11.5 19 434 7010 300 31 26.8 -15.5 | 275 28 27.4 -2.3 20 402 7620 305 32 26.2 -18.4 | 281 27 26.8 -5.1 21 400 7650 305 32 26.2 -18.4 | 281 27 26.8 -5.1 22 355 8534 310 28 21.4 -18.0 | 282 23 22.0 -4.8 23 301 9754 280 25 24.6 -4.3 | 251 27 25.2 8.9 24 300 9780 280 25 24.6 -4.3 | 251 27 25.2 8.9 25 253 10973 300 13 11.3 -6.5 | 240 14 11.8 6.7 26 250 11060 300 13 11.3 -6.5 | 240 14 11.8 6.7 27 242 11278 295 12 10.9 -5.1 | 235 14 11.5 8.2 28 231 11582 305 20 16.4 -11.5 | 264 17 17.0 1.8 29 202 12497 275 22 21.9 -1.9 | 243 25 22.5 11.3 30 200 12550 275 22 21.9 -1.9 | 243 25 22.5 11.3 31 174 13411 230 21 16.1 13.5 | 212 32 16.7 26.7 32 151 14326 225 31 21.9 21.9 | 213 42 22.5 35.2 33 150 14350 225 31 21.9 21.9 | 213 42 22.5 35.2 34 136 14935 215 33 18.9 27.0 | 206 45 19.5 40.3 35 122 15545 200 26 8.9 24.4 | 194 39 9.5 37.7 36 116 15850 215 20 11.5 16.4 | 202 32 12.1 29.6 37 110 16154 185 10 0.9 10.0 | 184 23 1.5 23.2 38 100 16700 30 7 -3.5 -6.1 | 158 8 -2.9 7.2 39 99 16764 30 7 -3.5 -6.1 | 158 8 -2.9 7.2 40 94 17069 340 3 1.0 -2.8 | 189 11 1.6 10.4 41 89 17374 280 11 10.8 -1.9 | 225 16 11.4 11.3 42 84 17665 205 5 2.1 4.5 | 189 18 2.7 17.8 43 84 17678 275 13 13.0 -1.1 | 228 18 13.5 12.1 44 79 17983 120 10 -8.7 5.0 | 156 20 -8.1 18.2 45 75 18288 70 19 -17.9 -6.5 | 111 19 -17.3 6.7 46 70 18670 80 22 -21.7 -3.8 | 114 23 -21.1 9.4 47 67 18898 85 23 -22.9 -2.0 | 117 25 -22.3 11.2 48 64 19202 55 10 -8.2 -5.7 | 135 11 -7.6 7.5 49 61 19507 270 10 10.0 -0.0 | 219 17 10.6 13.2 50 55 20117 245 13 11.8 5.5 | 213 22 12.4 18.7 51 52 20422 145 13 -7.5 10.6 | 164 25 -6.9 23.9 52 50 20650 120 32 -27.7 16.0 | 137 40 -27.1 29.2 53 49 20726 135 30 -21.2 21.2 | 149 40 -20.6 34.5 54 45 21336 85 36 -35.9 -3.1 | 106 37 -35.3 10.1 55 43 21641 65 28 -25.4 -11.8 | 93 25 -24.8 1.4 56 41 21946 65 21 -19.0 -8.9 | 103 19 -18.4 4.4 57 37 22555 30 20 -10.0 -17.3 | 67 10 -9.4 -4.1 58 35 22860 40 10 -6.4 -7.7 | 134 8 -5.8 5.6 59 33 23165 135 11 -7.8 7.8 | 161 22 -7.2 21.0 60 32 23470 105 11 -10.6 2.8 | 148 19 -10.0 16.1 61 30 23774 130 19 -14.6 12.2 | 151 29 -14.0 25.5 62 30 23840 115 19 -17.2 8.0 | 142 27 -16.6 21.3 63 26 24384 100 20 -19.7 3.5 | 131 25 -19.1 16.7 64 25 24689 105 20 -19.3 5.2 | 135 26 -18.7 18.4 65 23 24994 80 17 -16.7 -3.0 | 123 19 -16.2 10.3 66 21 25298 105 23 -22.2 6.0 | 132 29 -21.6 19.2 67 20 25603 65 26 -23.6 -11.0 | 96 23 -23.0 2.3 68 16 26518 85 30 -29.9 -2.6 | 110 31 -29.3 10.6 Wind Parameters Mean winds (0-6000m): 332.6 at 17.7 knts Storm direction: 2.6 at 13.3 knts Shear (0-3000m) pos: 2.6 neg: 2.1 tot: 4.7 10-3/s Storm rel Dir Shear (0-3000m): 83.1 deg Storm rel helicity (0-3000m) pos: 28.2 neg: -15.1 tot: 13.1 m^2/s^2 ave: 4.4 10^-3 m/s^2 rel: 0.15 Storm rel vorticity (0-3000m) horiz: 8.1 stream: 1.2 10^-3/s Energy-Hel index: 0.05 Bulk Rich Number: 17.00 Bulk Shear: 16.10 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 ------------------------------------------------------------------------------- 500 344 7 201 7| 7.5 0.0 7.5| 8.0 -5.0 2.9 5.9 0.24| 11.7 2.8 1000 327 9 225 8| 3.8 3.1 6.9| 22.7 -5.0 17.7 17.7 0.42| 10.2 4.3 1500 318 12 243 10| 2.5 4.1 6.6| 26.8 -5.0 21.8 14.6 0.37| 8.9 3.3 2000 315 13 249 11| 1.9 3.1 5.0| 26.8 -11.7 15.1 7.6 0.23| 8.4 2.0 2500 318 13 250 10| 2.9 2.5 5.4| 27.6 -14.2 13.4 5.4 0.17| 8.3 1.4 3000 324 13 253 9| 2.6 2.1 4.7| 28.2 -15.1 13.1 4.4 0.15| 8.1 1.2 4000 333 14 264 7| 2.3 2.2 4.5| 29.7 -17.6 12.1 3.0 0.14| 7.3 1.0 5000 334 16 277 8| 1.8 2.4 4.2| 31.6 -28.0 3.6 0.7 0.07| 6.7 0.5 6000 333 18 286 9| 1.5 2.5 4.0| 32.8 -34.9 -2.1 -0.3 0.05| 6.1 0.3 Wrote GIF file: /home/apache/climate/data/raob//NFFN/skewt/NFFN.skewt.20250415.23.gif