UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041911.upa.cvt Date: 1100Z 19 APR 25 Searching for NFFN... Searching the city database file for: NFFN ... Date:1100Z 19 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 1011 18 25.6 23.7 89 1.9 24.2 120 3 297.8 301.2 297.0 351.7 18.55 1 1000 110 26.0 23.3 85 2.7 24.0 230 3 299.1 302.5 297.2 352.6 18.30 2 992 181 26.4 22.9 81 3.5 23.9 255 4 300.2 303.5 297.3 353.1 18.00 3 938 674 23.4 22.1 92 1.3 22.5 273 4 302.0 305.4 297.8 355.6 18.14 4 925 796 22.6 20.5 88 2.1 21.1 250 4 302.4 305.5 297.0 351.6 16.63 5 908 958 22.2 18.7 81 3.5 19.8 245 6 303.6 306.4 296.3 348.5 15.12 6 898 1054 22.6 10.6 47 12.0 15.0 245 6 305.0 306.7 292.2 331.9 8.97 7 850 1530 19.6 12.6 64 7.0 15.0 280 8 306.7 308.7 294.1 339.4 10.85 8 826 1777 18.0 13.9 77 4.1 15.3 270 7 307.5 309.8 295.3 344.3 12.18 9 700 3177 9.4 8.5 94 0.9 8.8 285 13 312.9 314.8 295.3 343.8 10.01 10 649 3801 5.4 5.3 99 0.1 5.4 275 18 315.2 316.9 294.8 342.3 8.65 11 600 4442 4.0 -20.0 15 24.0 -4.5 247 16 320.7 321.0 290.3 325.2 1.30 12 587 4620 2.0 -0.5 83 2.5 0.6 242 16 320.4 321.7 294.5 340.7 6.30 13 548 5173 -1.5 -2.5 93 1.0 -2.0 288 17 322.6 323.8 294.7 341.6 5.82 14 500 5900 -4.9 -10.9 63 6.0 -7.5 275 24 327.1 327.7 293.9 338.3 3.33 15 498 5932 -5.1 -11.1 63 6.0 -7.7 276 24 327.2 327.9 293.9 338.3 3.29 16 484 6155 -6.7 -9.9 78 3.2 -8.1 280 27 327.9 328.7 294.4 340.5 3.73 17 469 6402 -7.5 -16.5 48 9.0 -10.9 284 29 329.9 330.3 293.7 337.7 2.24 18 457 6604 -7.3 -23.3 27 16.0 -12.3 288 31 332.6 332.8 293.6 337.2 1.28 19 441 6881 -9.7 -23.7 31 14.0 -14.0 284 33 333.0 333.2 293.7 337.6 1.28 20 430 7076 -11.3 -28.3 23 17.0 -15.8 278 34 333.3 333.5 293.4 336.5 0.86 21 414 7367 -11.9 -51.9 2 40.0 -17.8 271 36 336.2 336.2 293.4 336.5 0.08 22 400 7630 -13.9 -45.9 5 32.0 -19.1 275 33 336.9 337.0 293.7 337.6 0.16 23 353 8567 -18.9 -48.9 5 30.0 -23.1 285 32 342.5 342.5 295.0 343.0 0.13 24 300 9750 -29.3 -52.3 9 23.0 -31.4 265 26 344.1 344.1 295.4 344.5 0.10 25 269 10516 -36.7 -57.7 10 21.0 -37.9 269 24 344.2 344.2 295.4 344.5 0.06 26 263 10672 -37.9 -54.9 15 17.0 -39.0 270 24 344.7 344.7 295.5 345.0 0.08 27 250 11020 -39.5 -63.5 6 24.0 -40.6 270 38 347.3 347.3 296.1 347.5 0.03 28 236 11412 -42.5 -62.5 9 20.0 -43.3 265 38 348.6 348.6 296.4 348.7 0.04 29 200 12510 -51.1 -69.1 10 18.0 -51.5 250 39 351.8 351.9 297.0 351.9 0.02 30 183 13082 -56.3 -67.3 24 11.0 -56.5 248 40 352.5 352.5 297.2 352.6 0.02 31 173 13438 -58.9 -73.9 13 15.0 -59.1 246 41 353.9 353.9 297.5 353.9 0.01 32 153 14199 -64.9 -72.9 32 8.0 -65.0 241 40 356.3 356.3 298.0 356.3 0.01 33 150 14320 -66.1 -75.1 27 9.0 -66.2 240 39 356.2 356.2 298.0 356.3 0.01 34 148 14401 -66.9 -77.9 20 11.0 -67.0 241 39 356.2 356.2 298.0 356.2 0.01 35 100 16670 -83.5 -87.3 51 3.8 -83.5 280 27 366.4 366.4 299.9 366.4 0.00 36 91 17187 -87.5 -91.2 50 3.7 -87.5 265 33 368.5 368.5 300.3 368.5 0.00 37 81 17829 -81.7 -87.7 35 6.0 -81.7 243 26 392.9 392.9 304.2 392.9 0.00 38 77 18112 -83.3 -89.3 34 6.0 -83.3 262 19 395.3 395.3 304.5 395.3 0.00 39 70 18650 -76.9 -89.9 11 13.0 -76.9 175 7 419.9 419.9 307.7 419.9 0.00 40 67 18904 -75.5 -91.5 6 16.0 -75.6 214 14 428.2 428.2 308.6 428.2 0.00 41 55 20075 -67.3 -90.3 2 23.0 -67.5 157 1 471.9 471.9 312.8 471.9 0.00 42 53 20298 -68.7 -90.7 3 22.0 -68.9 150 7 473.6 473.6 313.0 473.6 0.00 43 50 20650 -66.7 -90.7 2 24.0 -67.0 140 17 486.3 486.3 314.0 486.3 0.00 44 44 21425 -64.3 -90.3 2 26.0 -64.7 109 12 510.3 510.3 315.7 510.3 0.00 45 41 21861 -59.5 -89.5 1 30.0 -60.2 71 6 532.7 532.7 317.1 532.7 0.00 46 39 22172 -60.3 -89.3 1 29.0 -61.0 45 2 538.3 538.3 317.4 538.3 0.00 47 30 23830 -53.5 -85.5 1 32.0 -55.4 80 18 598.8 598.8 320.6 598.8 0.01 48 25 25009 -51.5 -84.5 1 33.0 -54.1 72 26 636.6 636.6 322.2 636.7 0.01 49 20 26460 -50.7 -84.7 1 34.0 -54.0 90 35 681.0 681.0 323.8 681.1 0.02 50 15 28356 -45.7 -82.7 1 37.0 -51.5 89 35 756.0 756.0 326.1 756.2 0.03 TRP 91 17187 -87.5 -91.2 50 3.7 -87.5 265 33 368.5 368.5 300.3 368.5 0.00 WND Sounding variables and indices 1000-500 mb thick: 5790.00 m Freezing level: 564.71 mb = 4936.02 m = 16194.10 ft Wetbulb zero: 622.36 mb = 4143.58 m = 13594.27 ft Precipitable water: 2.17 inches Sfc-500 mean rel hum: 78.56 % Est. max temperature: 34.10 C = 93.37 F Sfc-Lift cond lev (LCL): 983.87 mb = 253.51 m = 831.73 ft T: 25.96 C 700-500 lapse rate: 5.25 C/km ThetaE index: 23.70 C Layer 925.0- 850.0 mb Conv cond level (CCL): 862.19 mb = 1406.62 m = 4614.84 ft Mean mixing ratio: 17.72 g/kg Conv temperature: 34.06 C = 93.30 F Cap Strength: 2.13 C Lifted Index: -3.10 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -2.72 C Lifted Index @700 mb: -2.10 C Showalter Index: 2.17 C Risk: Showers probable Total Totals Index: 42.00 C Risk: None Vertical Totals Index: 24.50 C Cross Totals Index: 17.50 C K Index: 36.20 Risk: > 80 % chance of thunderstorms Sweat Index: 191.20 Risk: None Energy Index: -0.19 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 919.89 J/kg Max Up Vert Vel: 42.89 m/s Conv Inhibition (B-): 50.55 J/kg Cap Strength: 2.11 C Lift Cond Lev (LCL): 927.70 mb = 770.51 m = 2527.88 ft Lev Free Conv (LFC): 792.70 mb = 2124.88 m = 6971.31 ft Equ Level (EL): 172.70 mb = 13448.49 m = 44121.80 ft B at Equ Level: 912.31 J/kg Max Parcel Lev (MPL): 82.70 mb = 17714.84 m = 58118.83 ft Wind level data Storm motion: 302 at 9 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 1011 18 120 3 -2.6 1.5 | 121 12 -10.5 6.4 1 1000 110 230 3 2.3 1.9 | 141 9 -5.6 6.8 2 978 305 300 6 5.2 -3.0 | 125 3 -2.7 1.9 3 945 610 285 4 3.9 -1.0 | 134 6 -4.0 3.8 4 925 796 250 4 3.8 1.4 | 147 7 -4.1 6.2 5 912 914 245 6 5.4 2.5 | 162 8 -2.4 7.4 6 851 1524 245 7 6.3 3.0 | 169 8 -1.5 7.8 7 850 1530 280 8 7.9 -1.4 | 180 3 0.0 3.5 8 792 2134 255 5 4.8 1.3 | 154 7 -3.0 6.2 9 764 2438 305 10 8.2 -5.7 | 339 1 0.3 -0.9 10 711 3048 275 14 13.9 -1.2 | 239 7 6.1 3.6 11 700 3177 285 13 12.6 -3.4 | 252 5 4.7 1.5 12 660 3658 280 18 17.7 -3.1 | 260 10 9.9 1.7 13 612 4267 255 16 15.5 4.1 | 220 12 7.6 9.0 14 589 4572 240 16 13.9 8.0 | 205 14 6.0 12.9 15 546 5182 290 17 16.0 -5.8 | 277 8 8.1 -1.0 16 526 5486 270 18 18.0 -0.0 | 244 11 10.1 4.9 17 500 5900 275 24 23.9 -2.1 | 260 16 16.0 2.8 18 451 6706 290 32 30.1 -10.9 | 285 23 22.2 -6.1 19 417 7315 270 36 36.0 -0.0 | 260 29 28.1 4.9 20 400 7630 275 33 32.9 -2.9 | 265 25 25.0 2.0 21 354 8534 285 32 30.9 -8.3 | 278 23 23.0 -3.4 22 313 9449 260 26 25.6 4.5 | 242 20 17.7 9.4 23 300 9750 265 26 25.9 2.3 | 248 19 18.0 7.1 24 263 10668 270 24 24.0 -0.0 | 253 17 16.1 4.9 25 252 10973 270 38 38.0 -0.0 | 261 31 30.1 4.9 26 250 11020 270 38 38.0 -0.0 | 261 31 30.1 4.9 27 200 12510 250 39 36.6 13.3 | 238 34 28.8 18.2 28 165 13716 245 42 38.1 17.7 | 233 38 30.2 22.6 29 150 14320 240 39 33.8 19.5 | 227 36 25.9 24.4 30 150 14326 240 39 33.8 19.5 | 227 36 25.9 24.4 31 121 15545 250 35 32.9 12.0 | 236 30 25.0 16.8 32 109 16154 285 28 27.0 -7.2 | 277 19 19.2 -2.4 33 100 16670 280 27 26.6 -4.7 | 269 19 18.7 0.2 34 93 17069 285 30 29.0 -7.8 | 278 21 21.1 -2.9 35 91 17187 265 33 32.9 2.9 | 253 26 25.0 7.7 36 88 17374 270 34 34.0 -0.0 | 259 27 26.1 4.9 37 79 17983 235 24 19.7 13.8 | 212 22 11.8 18.6 38 75 18288 295 13 11.8 -5.5 | 279 4 3.9 -0.6 39 71 18593 295 15 13.6 -6.3 | 284 6 5.7 -1.5 40 70 18650 175 7 -0.6 7.0 | 144 15 -8.5 11.8 41 67 18898 215 14 8.0 11.5 | 181 16 0.2 16.3 42 55 20117 155 1 -0.4 0.9 | 125 10 -8.3 5.8 43 50 20650 140 17 -10.9 13.0 | 134 26 -18.8 17.9 44 47 21031 145 17 -9.8 13.9 | 137 26 -17.6 18.8 45 39 22250 40 1 -0.6 -0.8 | 116 9 -8.5 4.1 46 37 22555 95 21 -20.9 1.8 | 103 30 -28.8 6.7 47 33 23165 75 19 -18.4 -4.9 | 90 26 -26.2 -0.1 48 32 23470 95 14 -13.9 1.2 | 106 23 -21.8 6.1 49 30 23774 75 18 -17.4 -4.7 | 90 25 -25.2 0.2 50 30 23830 80 18 -17.7 -3.1 | 94 26 -25.6 1.7 51 29 24079 85 18 -17.9 -1.6 | 97 26 -25.8 3.3 52 28 24384 65 22 -19.9 -9.3 | 81 28 -27.8 -4.4 53 26 24689 85 21 -20.9 -1.8 | 96 29 -28.8 3.0 54 25 24994 70 26 -24.4 -8.9 | 83 33 -32.3 -4.0 55 24 25298 95 21 -20.9 1.8 | 103 30 -28.8 6.7 56 22 25908 70 30 -28.2 -10.3 | 81 36 -36.1 -5.4 57 20 26460 90 35 -35.0 0.0 | 96 43 -42.9 4.9 58 20 26518 95 31 -30.9 2.7 | 101 39 -38.7 7.6 59 12 28346 85 38 -37.9 -3.3 | 92 46 -45.7 1.5 60 11 28651 85 35 -34.9 -3.1 | 92 43 -42.7 1.8 Wind Parameters Mean winds (0-6000m): 271.7 at 12.3 knts Storm direction: 301.7 at 9.2 knts Shear (0-3000m) pos: 2.6 neg: 1.8 tot: 4.4 10-3/s Storm rel Dir Shear (0-3000m): 119.3 deg Storm rel helicity (0-3000m) pos: 23.4 neg: -7.5 tot: 15.9 m^2/s^2 ave: 5.3 10^-3 m/s^2 rel: 0.21 Storm rel vorticity (0-3000m) horiz: 7.1 stream: 1.5 10^-3/s Energy-Hel index: 0.12 Bulk Rich Number: 110.60 Bulk Shear: 8.32 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 ------------------------------------------------------------------------------- 500 284 5 138 5| 7.8 0.0 7.8| 11.5 -1.9 9.6 19.2 0.25| 13.0 3.3 1000 270 5 146 6| 3.9 2.2 6.1| 18.1 -1.9 16.2 16.2 0.38| 9.1 3.5 1500 259 5 156 6| 2.6 1.7 4.3| 19.8 -1.9 17.9 11.9 0.41| 6.4 2.6 2000 263 6 158 6| 2.0 1.3 3.3| 20.7 -4.0 16.7 8.3 0.26| 6.5 1.7 2500 269 6 160 5| 3.1 1.0 4.1| 23.4 -4.7 18.6 7.5 0.33| 7.3 2.4 3000 274 7 169 4| 2.6 1.8 4.4| 23.4 -7.5 15.9 5.3 0.21| 7.1 1.5 4000 276 9 200 4| 2.3 1.9 4.2| 26.8 -19.9 6.9 1.7 0.12| 6.8 0.8 5000 270 11 211 6| 2.7 2.0 4.8| 52.6 -38.1 14.5 2.9 0.13| 7.1 0.9 6000 272 12 225 6| 2.8 1.9 4.7| 77.7 -49.4 28.3 4.7 0.15| 7.3 1.1 Wrote GIF file: /home/apache/climate/data/raob//NFFN/skewt/NFFN.skewt.20250419.11.gif