UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121523.upa.cvt Date: 2300Z 15 DEC 25 Searching for NFFN... Searching the city database file for: NFFN ... Date:2300Z 15 DEC 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 27.2 24.5 85 2.7 25.2 320 5 299.4 303.0 298.0 356.5 19.49 1 1000 106 26.6 23.4 83 3.2 24.3 290 5 299.8 303.1 297.4 353.7 18.41 2 947 587 22.8 21.6 93 1.2 21.9 224 8 300.6 303.8 297.0 351.7 17.40 3 925 793 21.8 19.3 86 2.5 20.1 225 9 301.6 304.4 296.0 347.0 15.41 4 909 944 20.6 18.9 90 1.7 19.4 245 9 301.9 304.7 296.0 347.0 15.29 5 887 1156 20.6 16.7 78 3.9 17.9 247 11 304.0 306.5 295.4 344.5 13.61 6 850 1524 18.8 15.4 81 3.4 16.5 250 15 305.8 308.3 295.5 345.0 13.06 7 700 3168 9.6 5.9 78 3.7 7.3 270 6 313.1 314.7 294.1 339.1 8.35 8 688 3311 8.8 1.8 61 7.0 4.9 274 6 313.8 315.0 292.7 333.7 6.35 9 684 3360 8.6 4.1 73 4.5 6.0 275 6 314.1 315.5 293.7 337.6 7.53 10 683 3372 8.6 4.1 73 4.5 6.0 275 6 314.2 315.7 293.8 337.8 7.54 11 654 3728 5.6 4.3 91 1.3 4.8 285 5 314.7 316.3 294.3 339.7 7.99 12 650 3779 5.4 1.3 75 4.1 3.1 286 5 315.1 316.3 293.2 335.5 6.48 13 610 4294 1.6 -0.8 84 2.4 0.3 299 4 316.5 317.6 293.2 335.3 5.93 14 605 4361 2.0 -4.0 64 6.0 -1.0 292 5 317.7 318.6 292.4 332.8 4.70 15 594 4509 1.8 -7.2 51 9.0 -2.4 275 6 319.1 319.8 292.1 331.3 3.75 16 570 4840 -0.3 -10.3 47 10.0 -4.6 239 9 320.4 321.0 291.9 330.6 3.06 17 558 5010 -1.5 -11.5 46 10.0 -5.7 220 11 321.0 321.5 291.8 330.4 2.84 18 548 5154 -3.1 -6.6 77 3.5 -4.7 204 13 320.7 321.6 293.0 334.7 4.26 19 542 5241 -1.5 -2.6 92 1.1 -2.1 208 13 323.7 324.8 295.0 342.7 5.84 20 517 5616 -3.5 -3.7 99 0.2 -3.6 264 13 325.6 326.8 295.3 344.2 5.64 21 500 5880 -5.1 -5.4 98 0.3 -5.3 300 14 326.8 327.8 295.3 343.8 5.12 22 400 7610 -14.7 -15.4 94 0.7 -15.0 325 16 335.9 336.5 295.7 346.0 2.89 23 382 7958 -16.5 -17.4 93 0.9 -16.8 316 17 338.0 338.5 296.0 347.0 2.56 24 316 9357 -26.7 -29.1 80 2.4 -27.2 314 22 342.6 342.9 295.9 346.7 1.09 25 303 9659 -29.1 -30.9 84 1.8 -29.5 319 24 343.4 343.6 296.0 347.0 0.96 26 300 9730 -29.7 -31.6 83 1.9 -30.0 320 24 343.5 343.7 296.0 347.0 0.91 27 256 10829 -38.9 -41.4 77 2.5 -39.2 309 33 345.9 346.0 296.1 347.5 0.40 28 250 10990 -40.3 -44.3 65 4.0 -40.6 310 34 346.2 346.2 296.0 347.4 0.30 29 244 11157 -41.7 -48.7 47 7.0 -42.2 310 34 346.5 346.5 296.0 347.2 0.19 30 228 11616 -45.9 -51.9 51 6.0 -46.2 300 36 346.8 346.9 296.1 347.4 0.14 31 206 12288 -51.5 -62.5 26 11.0 -51.8 281 39 348.3 348.3 296.3 348.4 0.04 32 202 12415 -52.7 -57.2 58 4.5 -52.8 277 40 348.3 348.3 296.3 348.7 0.08 33 200 12480 -53.3 -58.3 54 5.0 -53.5 275 40 348.4 348.4 296.3 348.7 0.07 34 195 12642 -54.7 -58.3 64 3.6 -54.8 273 40 348.7 348.7 296.4 349.0 0.07 35 185 12977 -57.3 -69.3 20 12.0 -57.5 267 41 349.7 349.7 296.6 349.8 0.02 36 158 13955 -65.1 -73.2 32 8.1 -65.1 270 60 352.7 352.7 297.3 352.8 0.01 37 151 14230 -67.3 -74.3 36 7.0 -67.4 266 57 353.5 353.5 297.4 353.5 0.01 38 150 14270 -67.1 -75.1 31 8.0 -67.2 265 56 354.5 354.5 297.6 354.5 0.01 39 134 14942 -72.1 -81.1 25 9.0 -72.1 257 58 357.2 357.2 298.1 357.3 0.00 40 124 15399 -71.1 -86.1 9 15.0 -71.2 256 50 367.1 367.1 300.0 367.1 0.00 41 100 16640 -81.1 -89.1 25 8.0 -81.1 280 35 371.0 371.0 300.8 371.0 0.00 42 92 17108 -83.1 -90.1 29 7.0 -83.1 260 29 376.0 376.0 301.6 376.0 0.00 43 82 17750 -83.1 -89.1 34 6.0 -83.1 189 8 388.6 388.6 303.6 388.6 0.00 44 76 18180 -77.9 -85.9 26 8.0 -77.9 77 7 408.0 408.0 306.3 408.0 0.00 45 72 18489 -78.9 -86.9 26 8.0 -78.9 68 12 412.3 412.3 306.8 412.3 0.00 46 70 18650 -78.7 -86.7 26 8.0 -78.7 45 15 416.0 416.0 307.2 416.0 0.00 47 58 19737 -70.9 -89.9 4 19.0 -71.0 132 15 456.6 456.6 311.5 456.6 0.00 48 54 20158 -71.9 -89.9 5 18.0 -72.0 84 20 463.7 463.7 312.1 463.7 0.00 49 50 20610 -71.7 -89.7 5 18.0 -71.8 70 21 474.5 474.5 313.0 474.5 0.00 50 49 20729 -71.3 -90.3 4 19.0 -71.4 69 23 478.2 478.2 313.3 478.2 0.00 51 41 21805 -63.5 -88.5 2 25.0 -64.0 81 26 522.7 522.7 316.5 522.7 0.00 52 34 22958 -62.5 -84.5 4 22.0 -63.1 83 23 554.1 554.1 318.3 554.1 0.01 53 33 23142 -63.7 -87.7 2 24.0 -64.3 89 24 555.6 555.6 318.4 555.7 0.01 54 30 23730 -61.7 -86.7 2 25.0 -62.4 90 30 576.4 576.4 319.5 576.5 0.01 55 21 25994 -52.9 -80.9 2 28.0 -55.5 79 28 664.9 664.9 323.3 665.1 0.03 56 20 26310 -53.3 -82.3 2 29.0 -55.9 75 30 673.0 673.0 323.5 673.2 0.02 57 18 26987 -54.1 -82.1 2 28.0 -56.7 78 30 691.1 691.1 324.1 691.3 0.03 58 12 29610 -50.5 -83.5 1 33.0 -55.2 53 30 788.8 788.8 327.0 789.1 0.03 TRP 92 17108 -83.1 -90.1 29 7.0 -83.1 260 29 376.0 376.0 301.6 376.0 0.00 WND 158 13955 -65.1 -73.2 32 8.1 -65.1 270 60 352.7 352.7 297.3 352.8 0.01 Sounding variables and indices 1000-500 mb thick: 5774.00 m Freezing level: 573.43 mb = 4792.85 m = 15724.38 ft Wetbulb zero: 608.79 mb = 4310.31 m = 14141.27 ft Precipitable water: 2.34 inches Sfc-500 mean rel hum: 78.81 % Est. max temperature: 33.09 C = 91.56 F Sfc-Lift cond lev (LCL): 972.62 mb = 351.30 m = 1152.55 ft T: 24.66 C 700-500 lapse rate: 5.42 C/km ThetaE index: 12.00 C Layer 1000.0- 850.0 mb Conv cond level (CCL): 913.75 mb = 899.14 m = 2949.91 ft Mean mixing ratio: 17.31 g/kg Conv temperature: 29.59 C = 85.25 F Cap Strength: 1.01 C Lifted Index: -2.66 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -2.06 C Lifted Index @700 mb: -1.38 C Showalter Index: -0.32 C Risk: Thunderstorms probable Total Totals Index: 44.40 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.90 C Cross Totals Index: 20.50 C K Index: 35.60 Risk: > 80 % chance of thunderstorms Sweat Index: 228.80 Risk: None Energy Index: -0.33 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 897.84 J/kg Max Up Vert Vel: 42.38 m/s Conv Inhibition (B-): 26.79 J/kg Cap Strength: 0.94 C Lift Cond Lev (LCL): 930.67 mb = 739.45 m = 2425.97 ft Lev Free Conv (LFC): 795.67 mb = 2083.26 m = 6834.76 ft Equ Level (EL): 165.67 mb = 13661.33 m = 44820.08 ft B at Equ Level: 891.58 J/kg Max Parcel Lev (MPL): 95.67 mb = 16888.30 m = 55407.13 ft Wind level data Storm motion: 282 at 7 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 18 320 5 3.2 -3.8 | 59 5 -3.9 -2.4 1 1000 106 290 5 4.7 -1.7 | 84 2 -2.4 -0.3 2 978 305 265 4 4.0 0.3 | 120 4 -3.1 1.8 3 944 610 220 8 5.1 6.1 | 165 8 -2.0 7.6 4 925 793 225 9 6.4 6.4 | 174 8 -0.8 7.8 5 912 914 245 9 8.2 3.8 | 191 5 1.0 5.3 6 850 1524 250 15 14.1 5.1 | 227 10 7.0 6.6 7 850 1524 250 15 14.1 5.1 | 227 10 7.0 6.6 8 791 2134 245 14 12.7 5.9 | 217 9 5.6 7.4 9 763 2438 240 15 13.0 7.5 | 213 11 5.9 9.0 10 736 2743 280 12 11.8 -2.1 | 278 5 4.7 -0.6 11 710 3048 270 6 6.0 -0.0 | 142 2 -1.1 1.5 12 700 3168 270 6 6.0 -0.0 | 142 2 -1.1 1.5 13 611 4267 300 4 3.5 -2.0 | 82 4 -3.7 -0.5 14 545 5182 200 13 4.4 12.2 | 169 14 -2.7 13.7 15 525 5486 250 15 14.1 5.1 | 227 10 7.0 6.6 16 506 5791 285 10 9.7 -2.6 | 294 3 2.5 -1.1 17 500 5880 300 14 12.1 -7.0 | 318 7 5.0 -5.5 18 400 7610 325 16 9.2 -13.1 | 350 12 2.1 -11.7 19 399 7620 325 16 9.2 -13.1 | 350 12 2.1 -11.7 20 353 8534 300 18 15.6 -9.0 | 312 11 8.5 -7.5 21 300 9730 320 24 15.4 -18.4 | 334 19 8.3 -16.9 22 299 9754 320 24 15.4 -18.4 | 334 19 8.3 -16.9 23 286 10058 305 28 22.9 -16.1 | 313 22 15.8 -14.6 24 250 10990 310 34 26.0 -21.9 | 317 28 18.9 -20.4 25 239 11278 310 34 26.0 -21.9 | 317 28 18.9 -20.4 26 200 12480 275 40 39.8 -3.5 | 274 33 32.7 -2.0 27 199 12497 275 40 39.8 -3.5 | 274 33 32.7 -2.0 28 190 12802 270 39 39.0 -0.0 | 267 32 31.9 1.5 29 172 13411 260 47 46.3 8.2 | 256 40 39.2 9.6 30 158 13955 270 60 60.0 -0.0 | 268 53 52.9 1.5 31 150 14270 265 56 55.8 4.9 | 263 49 48.7 6.3 32 149 14326 270 60 60.0 -0.0 | 268 53 52.9 1.5 33 127 15240 250 57 53.6 19.5 | 246 51 46.4 21.0 34 114 15850 275 28 27.9 -2.4 | 273 21 20.8 -1.0 35 109 16154 295 32 29.0 -13.5 | 299 25 21.9 -12.1 36 100 16640 280 35 34.5 -6.1 | 280 28 27.3 -4.6 37 98 16764 280 35 34.5 -6.1 | 280 28 27.3 -4.6 38 92 17108 260 29 28.6 5.0 | 253 22 21.4 6.5 39 88 17374 255 21 20.3 5.4 | 242 15 13.2 6.9 40 83 17678 220 10 6.4 7.7 | 176 9 -0.7 9.1 41 79 17983 100 1 -1.0 0.2 | 101 8 -8.1 1.6 42 75 18288 65 10 -9.1 -4.2 | 80 16 -16.2 -2.8 43 71 18593 70 13 -12.2 -4.4 | 81 20 -19.3 -3.0 44 70 18650 45 15 -10.6 -10.6 | 63 20 -17.7 -9.2 45 67 18898 55 16 -13.1 -9.2 | 69 22 -20.2 -7.7 46 64 19202 25 10 -4.2 -9.1 | 56 14 -11.3 -7.6 47 60 19507 155 10 -4.2 9.1 | 133 15 -11.3 10.5 48 57 19812 125 16 -13.1 9.2 | 118 23 -20.2 10.6 49 54 20117 85 20 -19.9 -1.7 | 89 27 -27.0 -0.3 50 50 20610 70 21 -19.7 -7.2 | 78 27 -26.9 -5.7 51 44 21336 65 30 -27.2 -12.7 | 72 36 -34.3 -11.2 52 40 21946 85 25 -24.9 -2.2 | 89 32 -32.0 -0.7 53 35 22860 80 22 -21.7 -3.8 | 85 29 -28.8 -2.4 54 31 23470 100 27 -26.6 4.7 | 100 34 -33.7 6.1 55 30 23730 90 30 -30.0 0.0 | 92 37 -37.1 1.5 56 30 23774 90 35 -35.0 0.0 | 92 42 -42.1 1.5 57 27 24384 80 27 -26.6 -4.7 | 85 34 -33.7 -3.2 58 23 25298 105 32 -30.9 8.3 | 104 39 -38.0 9.7 59 22 25603 85 26 -25.9 -2.3 | 89 33 -33.0 -0.8 60 20 26310 75 30 -29.0 -7.8 | 80 37 -36.1 -6.3 61 19 26518 85 29 -28.9 -2.5 | 88 36 -36.0 -1.1 62 15 27432 50 34 -26.0 -21.9 | 58 39 -33.2 -20.4 63 10 28956 55 27 -22.1 -15.5 | 64 32 -29.2 -14.0 64 9 29261 85 23 -22.9 -2.0 | 89 30 -30.0 -0.5 65 8 29566 65 27 -24.5 -11.4 | 73 33 -31.6 -10.0 Wind Parameters Mean winds (0-6000m): 251.6 at 9.7 knts Storm direction: 281.6 at 7.3 knts Shear (0-3000m) pos: 0.9 neg: 1.5 tot: 2.4 10-3/s Storm rel Dir Shear (0-3000m): 99.6 deg Storm rel helicity (0-3000m) pos: 34.1 neg: -6.8 tot: 27.3 m^2/s^2 ave: 9.1 10^-3 m/s^2 rel: 0.40 Storm rel vorticity (0-3000m) horiz: 6.7 stream: 2.7 10^-3/s Energy-Hel index: 0.11 Bulk Rich Number: 256.73 Bulk Shear: 3.50 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 ------------------------------------------------------------------------------- 500 268 5 127 3| 0.0 8.4 8.4| 5.9 0.0 5.9 11.8 0.73| 9.0 6.6 1000 243 7 167 5| 1.9 4.2 6.1| 13.4 0.0 13.4 13.4 0.67| 8.3 5.5 1500 246 9 189 5| 3.0 2.8 5.8| 20.2 0.0 20.2 13.5 0.67| 7.2 4.8 2000 247 10 202 6| 2.2 2.2 4.4| 20.2 -3.1 17.1 8.5 0.58| 5.8 3.3 2500 246 11 206 7| 1.9 1.8 3.6| 25.2 -5.4 19.8 7.9 0.52| 5.5 2.9 3000 250 11 212 6| 0.9 1.5 2.4| 34.1 -6.8 27.3 9.1 0.40| 6.7 2.7 4000 254 10 207 5| 0.8 1.1 1.9| 34.1 -8.1 26.0 6.5 0.31| 5.5 1.7 5000 253 9 200 4| 0.7 2.0 2.7| 35.8 -11.8 24.0 4.8 0.27| 5.8 1.5 6000 252 10 205 5| 2.0 1.7 3.7| 79.9 -15.6 64.3 10.7 0.39| 7.2 2.8 Wrote GIF file: /home/apache/climate/data/raob//NFFN/skewt/NFFN.skewt.20251215.23.gif