UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041723.upa.cvt Date: 2300Z 17 APR 25 Searching for NFFN... Searching the city database file for: NFFN ... Date:2300Z 17 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 1012 18 28.6 23.6 74 5.0 24.9 0 0 300.7 304.1 297.7 354.9 18.42 1 1000 112 26.8 23.1 80 3.7 24.1 255 3 300.0 303.3 297.3 352.9 18.07 2 925 799 21.6 20.4 93 1.2 20.8 210 7 301.4 304.4 296.7 350.1 16.53 3 901 1027 20.0 19.6 98 0.4 19.7 202 8 302.0 305.0 296.5 349.7 16.14 4 894 1095 21.2 17.5 79 3.7 18.7 197 8 303.9 306.6 295.8 346.2 14.22 5 850 1532 19.2 14.2 73 5.0 15.8 165 7 306.3 308.5 294.9 342.5 12.07 6 849 1542 19.2 14.2 73 5.0 15.8 166 7 306.4 308.6 295.0 342.7 12.08 7 700 3178 9.8 8.5 92 1.3 9.0 200 12 313.3 315.2 295.4 344.3 10.01 8 618 4206 4.2 2.7 90 1.5 3.3 213 10 318.3 319.7 294.8 342.2 7.55 9 549 5164 -0.3 -1.3 93 1.0 -0.9 249 11 323.9 325.1 295.4 344.6 6.35 10 500 5910 -3.3 -5.9 82 2.6 -4.6 225 15 329.0 330.0 295.6 345.5 4.93 11 480 6232 -4.5 -8.5 74 4.0 -6.4 219 15 331.4 332.2 295.7 345.7 4.20 12 400 7640 -13.7 -16.9 77 3.2 -14.9 240 16 337.2 337.7 295.8 346.2 2.55 13 374 8150 -16.3 -21.2 66 4.9 -17.9 237 17 340.3 340.7 296.0 347.1 1.88 14 353 8583 -20.5 -22.1 87 1.6 -21.0 237 17 340.3 340.7 296.0 347.0 1.84 15 300 9770 -28.9 -32.9 68 4.0 -29.6 260 20 344.6 344.8 296.1 347.7 0.80 16 299 9794 -29.3 -33.0 70 3.7 -30.0 260 20 344.4 344.6 296.1 347.5 0.79 17 294 9914 -29.5 -36.5 51 7.0 -30.6 259 20 345.8 345.9 296.2 348.0 0.57 18 254 10941 -38.3 -42.5 65 4.2 -38.7 259 21 347.5 347.6 296.4 349.0 0.36 19 250 11050 -39.3 -44.1 60 4.8 -39.8 260 21 347.6 347.7 296.4 348.9 0.30 20 243 11243 -40.9 -48.9 42 8.0 -41.5 263 22 348.1 348.1 296.4 348.8 0.18 21 236 11440 -42.9 -47.4 61 4.5 -43.2 267 24 348.0 348.0 296.4 348.9 0.22 22 232 11554 -43.5 -52.5 36 9.0 -44.0 269 25 348.8 348.8 296.5 349.3 0.13 23 221 11878 -46.3 -49.9 67 3.6 -46.5 275 27 349.3 349.4 296.7 350.1 0.18 24 217 11998 -47.5 -51.5 63 4.0 -47.7 272 28 349.3 349.3 296.6 349.9 0.15 25 214 12090 -48.1 -59.1 27 11.0 -48.5 269 29 349.8 349.8 296.6 350.0 0.06 26 206 12339 -50.1 -62.1 23 12.0 -50.5 260 31 350.5 350.5 296.8 350.6 0.04 27 200 12530 -51.9 -60.9 33 9.0 -52.2 255 33 350.6 350.6 296.8 350.8 0.05 28 194 12726 -53.7 -58.7 54 5.0 -53.8 253 34 350.8 350.8 296.8 351.1 0.07 29 184 13064 -56.5 -61.5 53 5.0 -56.6 249 35 351.6 351.6 297.0 351.8 0.05 30 150 14330 -66.5 -73.5 37 7.0 -66.5 240 29 355.5 355.5 297.8 355.6 0.01 31 140 14744 -69.7 -78.7 26 9.0 -69.8 235 29 357.0 357.0 298.1 357.0 0.01 32 130 15182 -73.5 -80.5 33 7.0 -73.5 230 29 357.8 357.8 298.2 357.9 0.00 33 100 16680 -82.7 -89.7 29 7.0 -82.7 295 16 367.9 367.9 300.2 367.9 0.00 34 86 17514 -85.7 -90.1 45 4.4 -85.7 270 21 378.1 378.1 301.9 378.1 0.00 35 76 18196 -83.7 -88.7 41 5.0 -83.7 248 19 395.9 395.9 304.6 395.9 0.00 36 70 18660 -77.3 -88.3 16 11.0 -77.3 125 14 419.0 419.0 307.6 419.0 0.00 37 69 18742 -76.9 -87.9 16 11.0 -76.9 129 13 421.6 421.6 307.9 421.6 0.00 38 64 19174 -75.3 -88.3 11 13.0 -75.3 116 10 434.3 434.3 309.3 434.3 0.00 39 60 19546 -75.9 -88.9 11 13.0 -76.0 145 10 441.0 441.0 310.0 441.0 0.00 40 51 20509 -64.1 -88.1 2 24.0 -64.4 57 13 489.6 489.7 314.2 489.7 0.00 41 50 20630 -64.9 -87.9 3 23.0 -65.2 35 10 490.5 490.5 314.2 490.6 0.00 42 49 20753 -65.3 -88.3 3 23.0 -65.6 67 19 492.4 492.4 314.4 492.5 0.00 43 38 22313 -63.1 -89.1 2 26.0 -63.6 143 14 535.2 535.2 317.2 535.2 0.00 44 33 23196 -56.7 -86.7 1 30.0 -57.9 75 21 574.2 574.2 319.4 574.2 0.01 45 32 23391 -57.3 -87.3 1 30.0 -58.5 75 24 577.7 577.7 319.6 577.7 0.01 46 30 23800 -56.7 -86.7 1 30.0 -58.0 80 21 590.1 590.1 320.2 590.1 0.01 47 24 25233 -53.5 -85.5 1 32.0 -55.7 80 31 638.2 638.3 322.2 638.3 0.01 48 21 26107 -47.7 -83.7 1 36.0 -51.8 90 24 680.6 680.6 323.8 680.7 0.02 49 20 26430 -49.1 -84.1 1 35.0 -52.8 90 25 685.9 685.9 324.0 686.0 0.02 50 17 27496 -49.5 -84.5 1 35.0 -53.6 80 28 717.2 717.2 325.0 717.4 0.02 51 14 28783 -43.9 -82.9 1 39.0 -50.8 60 31 777.2 777.2 326.7 777.4 0.03 TRP 86 17514 -85.7 -90.1 45 4.4 -85.7 270 21 378.1 378.1 301.9 378.1 0.00 WND Sounding variables and indices 1000-500 mb thick: 5798.00 m Freezing level: 553.60 mb = 5099.96 m = 16731.96 ft Wetbulb zero: 563.15 mb = 4957.87 m = 16265.77 ft Precipitable water: 2.48 inches Sfc-500 mean rel hum: 86.48 % Est. max temperature: 33.51 C = 92.31 F Sfc-Lift cond lev (LCL): 941.56 mb = 642.63 m = 2108.34 ft T: 22.78 C 700-500 lapse rate: 4.80 C/km ThetaE index: 12.35 C Layer 1000.0- 849.0 mb Conv cond level (CCL): 915.44 mb = 889.22 m = 2917.35 ft Mean mixing ratio: 17.29 g/kg Conv temperature: 29.53 C = 85.15 F Cap Strength: 1.26 C Lifted Index: -0.92 C Risk: Thunderstorms probable Lifted Index @300 mb: -1.38 C Lifted Index @700 mb: -1.24 C Showalter Index: 2.48 C Risk: Showers probable Total Totals Index: 40.00 C Risk: None Vertical Totals Index: 22.50 C Cross Totals Index: 17.50 C K Index: 35.40 Risk: > 80 % chance of thunderstorms Sweat Index: 199.40 Risk: None Energy Index: 0.53 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 463.92 J/kg Max Up Vert Vel: 30.46 m/s Conv Inhibition (B-): 34.81 J/kg Cap Strength: 1.27 C Lift Cond Lev (LCL): 927.67 mb = 773.64 m = 2538.15 ft Lev Free Conv (LFC): 772.67 mb = 2340.77 m = 7679.59 ft Equ Level (EL): 182.67 mb = 13109.31 m = 43009.03 ft B at Equ Level: 458.76 J/kg Max Parcel Lev (MPL): 112.67 mb = 15998.87 m = 52489.10 ft Wind level data Storm motion: 246 at 8 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 1012 18 0 0 -0.0 -0.0 | 66 8 -6.9 -3.1 1 1000 112 255 3 2.9 0.8 | 60 5 -4.0 -2.3 2 978 305 220 2 1.3 1.5 | 74 6 -5.6 -1.6 3 945 610 215 7 4.0 5.7 | 132 4 -2.9 2.6 4 925 799 210 7 3.5 6.1 | 131 4 -3.4 2.9 5 913 914 210 8 4.0 6.9 | 143 5 -2.9 3.8 6 851 1524 165 7 -1.8 6.8 | 113 9 -8.7 3.6 7 850 1532 165 7 -1.8 6.8 | 113 9 -8.7 3.6 8 792 2134 225 9 6.4 6.4 | 171 3 -0.5 3.2 9 737 2743 210 12 6.0 10.4 | 173 7 -0.9 7.3 10 711 3048 200 12 4.1 11.3 | 161 9 -2.8 8.2 11 700 3178 200 12 4.1 11.3 | 161 9 -2.8 8.2 12 685 3353 195 13 3.4 12.6 | 160 10 -3.5 9.4 13 660 3658 200 16 5.5 15.0 | 173 12 -1.4 11.9 14 636 3962 220 11 7.1 8.4 | 182 5 0.2 5.3 15 612 4267 210 9 4.5 7.8 | 153 5 -2.4 4.7 16 568 4877 240 12 10.4 6.0 | 231 5 3.5 2.9 17 547 5182 250 11 10.3 3.8 | 259 4 3.5 0.6 18 500 5910 225 15 10.6 10.6 | 206 8 3.7 7.5 19 469 6401 215 15 8.6 12.3 | 191 9 1.7 9.2 20 434 7010 210 10 5.0 8.7 | 161 6 -1.9 5.5 21 417 7315 225 7 4.9 4.9 | 134 3 -1.9 1.8 22 401 7620 250 13 12.2 4.4 | 256 6 5.3 1.3 23 400 7640 240 16 13.9 8.0 | 235 9 7.0 4.9 24 385 7925 230 19 14.6 12.2 | 220 12 7.7 9.1 25 369 8230 240 16 13.9 8.0 | 235 9 7.0 4.9 26 340 8839 235 17 13.9 9.8 | 227 10 7.0 6.6 27 313 9449 260 19 18.7 3.3 | 269 12 11.8 0.2 28 300 9770 260 20 19.7 3.5 | 268 13 12.8 0.4 29 264 10668 255 18 17.4 4.7 | 262 11 10.5 1.5 30 253 10973 260 21 20.7 3.6 | 268 14 13.8 0.5 31 250 11050 260 21 20.7 3.6 | 268 14 13.8 0.5 32 220 11887 275 27 26.9 -2.4 | 285 21 20.0 -5.5 33 201 12497 255 33 31.9 8.5 | 258 26 25.0 5.4 34 200 12530 255 33 31.9 8.5 | 258 26 25.0 5.4 35 174 13411 245 36 32.6 15.2 | 245 28 25.7 12.1 36 150 14330 240 29 25.1 14.5 | 238 21 18.2 11.4 37 122 15545 225 29 20.5 20.5 | 218 22 13.6 17.4 38 115 15850 235 17 13.9 9.8 | 227 10 7.0 6.6 39 109 16154 285 10 9.7 -2.6 | 334 6 2.8 -5.7 40 104 16459 315 15 10.6 -10.6 | 345 14 3.7 -13.7 41 100 16680 295 16 14.5 -6.8 | 322 12 7.6 -9.9 42 98 16764 295 16 14.5 -6.8 | 322 12 7.6 -9.9 43 93 17069 285 19 18.4 -4.9 | 305 14 11.5 -8.0 44 88 17374 305 27 22.1 -15.5 | 321 24 15.2 -18.6 45 86 17514 270 21 21.0 -0.0 | 282 14 14.1 -3.1 46 84 17678 265 20 19.9 1.7 | 276 13 13.0 -1.4 47 79 17983 270 17 17.0 -0.0 | 287 11 10.1 -3.1 48 75 18288 240 20 17.3 10.0 | 237 13 10.4 6.9 49 71 18593 240 10 8.7 5.0 | 223 3 1.8 1.9 50 70 18660 125 14 -11.5 8.0 | 105 19 -18.3 4.9 51 67 18898 135 10 -7.1 7.1 | 106 14 -13.9 4.0 52 64 19202 115 10 -9.1 4.2 | 94 16 -15.9 1.1 53 61 19507 145 10 -5.7 8.2 | 112 14 -12.6 5.1 54 57 19812 145 10 -5.7 8.2 | 112 14 -12.6 5.1 55 55 20117 75 12 -11.6 -3.1 | 71 19 -18.5 -6.2 56 52 20422 75 15 -14.5 -3.9 | 72 22 -21.4 -7.0 57 50 20630 35 10 -5.7 -8.2 | 48 17 -12.6 -11.3 58 49 20726 70 20 -18.8 -6.8 | 69 28 -25.7 -10.0 59 47 21031 40 11 -7.1 -8.4 | 50 18 -13.9 -11.5 60 39 22250 155 13 -5.5 11.8 | 125 15 -12.4 8.7 61 37 22555 110 17 -16.0 5.8 | 97 23 -22.9 2.7 62 33 23165 75 20 -19.3 -5.2 | 72 27 -26.2 -8.3 63 32 23470 75 25 -24.1 -6.5 | 73 32 -31.0 -9.6 64 30 23774 100 15 -14.8 2.6 | 89 22 -21.7 -0.5 65 30 23800 80 21 -20.7 -3.6 | 76 28 -27.6 -6.8 66 29 24079 80 21 -20.7 -3.6 | 76 28 -27.6 -6.8 67 26 24689 100 23 -22.7 4.0 | 92 30 -29.5 0.9 68 25 24994 80 27 -26.6 -4.7 | 77 34 -33.5 -7.8 69 24 25298 80 32 -31.5 -5.6 | 77 39 -38.4 -8.7 70 23 25603 80 28 -27.6 -4.9 | 77 35 -34.5 -8.0 71 22 25908 100 20 -19.7 3.5 | 91 27 -26.6 0.4 72 21 26213 85 26 -25.9 -2.3 | 81 33 -32.8 -5.4 73 20 26430 90 25 -25.0 0.0 | 84 32 -31.9 -3.1 74 20 26518 110 25 -23.5 8.6 | 100 31 -30.4 5.4 75 17 27127 75 28 -27.0 -7.2 | 73 35 -33.9 -10.4 76 15 27432 85 28 -27.9 -2.4 | 81 35 -34.8 -5.6 77 14 27737 60 31 -26.8 -15.5 | 61 39 -33.7 -18.6 78 9 29261 65 37 -33.5 -15.6 | 65 45 -40.4 -18.8 Wind Parameters Mean winds (0-6000m): 215.6 at 10.1 knts Storm direction: 245.6 at 7.6 knts Shear (0-3000m) pos: 1.4 neg: 1.7 tot: 3.1 10-3/s Storm rel Dir Shear (0-3000m): 96.7 deg Storm rel helicity (0-3000m) pos: 18.0 neg: -11.4 tot: 6.7 m^2/s^2 ave: 2.2 10^-3 m/s^2 rel: 0.22 Storm rel vorticity (0-3000m) horiz: 5.3 stream: 1.2 10^-3/s Energy-Hel index: 0.05 Bulk Rich Number: 64.64 Bulk Shear: 7.18 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 ------------------------------------------------------------------------------- 500 229 3 75 5| 0.0 5.7 5.7| 5.0 -0.9 4.1 8.2 0.44| 8.2 3.6 1000 216 5 103 4| 0.0 4.0 4.0| 7.6 -1.7 5.9 5.9 0.44| 6.2 2.7 1500 203 6 116 5| 0.0 2.4 2.4| 7.6 -8.0 -0.4 -0.3 0.13| 5.8 0.8 2000 200 6 121 6| 1.7 1.8 3.5| 16.5 -8.0 8.5 4.2 0.29| 6.1 1.8 2500 206 7 130 5| 1.7 1.4 3.2| 18.0 -8.0 10.1 4.0 0.31| 5.7 1.7 3000 206 8 139 5| 1.4 1.7 3.1| 18.0 -11.4 6.7 2.2 0.22| 5.3 1.2 4000 205 9 150 6| 1.4 1.6 3.0| 28.8 -13.0 15.8 4.0 0.23| 5.4 1.3 5000 210 9 157 6| 1.6 1.3 2.9| 36.5 -15.4 21.1 4.2 0.29| 5.3 1.5 6000 216 10 169 5| 1.3 1.6 2.9| 37.3 -23.8 13.5 2.3 0.17| 5.1 0.9 Wrote GIF file: /home/apache/climate/data/raob//NFFN/skewt/NFFN.skewt.20250417.23.gif