UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121223.upa.cvt Date: 2300Z 12 DEC 25 Searching for NFFN... Searching the city database file for: NFFN ... Date:2300Z 12 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 1012 18 26.4 22.5 79 3.9 23.6 20 4 298.5 301.7 296.3 348.6 17.20 1 1000 112 25.0 22.7 87 2.3 23.3 350 8 298.1 301.4 296.5 349.4 17.63 2 927 775 20.6 18.3 87 2.3 19.0 26 8 300.2 302.8 294.9 342.4 14.42 3 925 794 20.6 18.2 86 2.4 18.9 25 8 300.4 303.0 294.9 342.5 14.36 4 850 1522 16.6 15.4 93 1.2 15.8 325 4 303.5 305.9 294.9 342.3 13.06 5 700 3159 8.4 7.9 97 0.5 8.1 355 7 311.8 313.6 294.7 341.4 9.60 6 673 3484 6.4 6.4 100 0.0 6.4 342 10 313.1 314.8 294.6 341.0 9.00 7 511 5708 -4.3 -4.3 100 0.0 -4.3 268 16 325.8 326.8 295.2 343.7 5.45 8 500 5880 -4.9 -5.1 98 0.2 -5.0 270 18 327.1 328.1 295.4 344.5 5.24 9 451 6683 -8.9 -10.2 90 1.3 -9.5 303 21 331.8 332.6 295.6 345.2 3.91 10 400 7600 -14.3 -15.9 88 1.6 -14.9 285 24 336.4 337.0 295.8 346.1 2.77 11 390 7791 -15.5 -17.3 86 1.8 -16.2 289 24 337.3 337.8 295.8 346.2 2.53 12 323 9188 -24.9 -25.8 92 0.9 -25.1 295 20 343.0 343.3 296.3 348.3 1.45 13 300 9720 -29.3 -32.9 71 3.6 -30.0 290 29 344.1 344.3 296.0 347.1 0.80 14 266 10571 -36.1 -41.1 60 5.0 -36.7 292 37 346.2 346.3 296.1 347.8 0.39 15 250 11000 -39.5 -54.5 19 15.0 -40.4 295 38 347.3 347.4 296.1 347.7 0.09 16 237 11362 -42.5 -58.5 16 16.0 -43.3 301 36 348.2 348.2 296.3 348.4 0.06 17 200 12480 -53.1 -61.1 37 8.0 -53.3 285 41 348.7 348.7 296.4 348.9 0.05 18 185 12978 -57.5 -65.5 35 8.0 -57.6 280 43 349.4 349.4 296.5 349.5 0.03 19 166 13654 -63.3 -68.0 53 4.7 -63.4 272 47 350.7 350.7 296.8 350.8 0.02 20 150 14270 -68.3 -73.3 49 5.0 -68.4 265 50 352.4 352.4 297.2 352.5 0.01 21 145 14472 -69.1 -75.1 41 6.0 -69.1 260 52 354.5 354.5 297.6 354.5 0.01 22 139 14722 -71.5 -75.5 55 4.0 -71.5 254 55 354.6 354.6 297.6 354.6 0.01 23 130 15114 -74.1 -78.5 51 4.4 -74.2 245 59 356.7 356.7 298.0 356.7 0.01 24 125 15341 -75.7 -80.3 48 4.6 -75.7 244 56 357.9 357.9 298.3 357.9 0.01 25 100 16610 -81.1 -89.1 25 8.0 -81.1 230 28 371.0 371.0 300.8 371.0 0.00 26 86 17452 -85.1 -89.5 45 4.4 -85.1 295 15 379.3 379.3 302.1 379.3 0.00 27 72 18450 -78.9 -87.9 22 9.0 -78.9 175 12 412.3 412.3 306.8 412.3 0.00 28 70 18610 -79.9 -88.9 21 9.0 -79.9 160 9 413.4 413.4 306.9 413.5 0.00 29 69 18691 -79.9 -88.9 21 9.0 -79.9 157 10 415.2 415.2 307.2 415.2 0.00 30 63 19217 -72.3 -88.3 7 16.0 -72.4 122 21 442.9 442.9 310.1 442.9 0.00 31 50 20600 -65.3 -87.3 3 22.0 -65.6 70 25 489.6 489.6 314.2 489.6 0.00 32 48 20850 -64.1 -87.1 3 23.0 -64.4 66 28 498.2 498.2 314.8 498.2 0.00 33 38 22288 -63.5 -86.5 3 23.0 -64.0 62 34 534.2 534.2 317.2 534.2 0.01 34 32 23361 -57.9 -83.9 2 26.0 -59.0 98 30 576.1 576.1 319.5 576.1 0.01 35 30 23770 -56.9 -83.9 2 27.0 -58.2 85 34 589.5 589.5 320.1 589.6 0.01 36 22 25750 -53.1 -81.1 2 28.0 -55.5 98 32 655.5 655.5 322.9 655.7 0.03 37 21 26048 -54.9 -82.9 2 28.0 -57.1 96 33 658.9 658.9 323.0 659.0 0.02 38 20 26360 -54.7 -82.7 2 28.0 -56.9 95 34 668.7 668.7 323.4 668.9 0.02 39 13 29159 -47.9 -81.9 1 34.0 -53.4 87 39 780.0 780.0 326.7 780.3 0.04 TRP 86 17452 -85.1 -89.5 45 4.4 -85.1 295 15 379.3 379.3 302.1 379.3 0.00 WND 130 15114 -74.1 -78.5 51 4.4 -74.2 245 59 356.7 356.7 298.0 356.7 0.01 Sounding variables and indices 1000-500 mb thick: 5768.00 m Freezing level: 576.10 mb = 4814.34 m = 15794.90 ft Wetbulb zero: 576.21 mb = 4738.14 m = 15544.89 ft Precipitable water: 2.46 inches Sfc-500 mean rel hum: 95.39 % Est. max temperature: 30.90 C = 87.62 F Sfc-Lift cond lev (LCL): 956.44 mb = 501.65 m = 1645.82 ft T: 22.42 C 700-500 lapse rate: 4.89 C/km ThetaE index: 6.97 C Layer 927.0- 925.0 mb Conv cond level (CCL): 902.15 mb = 1009.37 m = 3311.53 ft Mean mixing ratio: 15.91 g/kg Conv temperature: 29.19 C = 84.55 F Cap Strength: 0.83 C Lifted Index: -0.41 C Risk: Thunderstorms probable Lifted Index @300 mb: 1.41 C Lifted Index @700 mb: -0.99 C Showalter Index: 0.94 C Risk: Thunderstorms probable Total Totals Index: 41.80 C Risk: None Vertical Totals Index: 21.50 C Cross Totals Index: 20.30 C K Index: 36.40 Risk: > 80 % chance of thunderstorms Sweat Index: 210.80 Risk: None Energy Index: 0.32 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 158.99 J/kg Max Up Vert Vel: 17.83 m/s Conv Inhibition (B-): 10.00 J/kg Cap Strength: 0.81 C Lift Cond Lev (LCL): 929.16 mb = 754.91 m = 2476.72 ft Lev Free Conv (LFC): 854.16 mb = 1480.00 m = 4855.58 ft Equ Level (EL): 464.16 mb = 6458.80 m = 21190.03 ft B at Equ Level: 158.53 J/kg Max Parcel Lev (MPL): 274.16 mb = 10357.08 m = 33979.52 ft Wind level data Storm motion: 359 at 31 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 20 4 -1.4 -3.8 | 176 27 -1.9 27.3 1 1000 112 350 8 1.4 -7.9 | 182 23 0.9 23.2 2 978 305 10 4 -0.7 -3.9 | 178 27 -1.2 27.1 3 945 610 35 8 -4.6 -6.6 | 168 25 -5.1 24.5 4 925 794 25 8 -3.4 -7.3 | 171 24 -3.9 23.8 5 912 914 10 8 -1.4 -7.9 | 175 23 -1.9 23.2 6 850 1522 325 4 2.3 -3.3 | 184 28 1.8 27.8 7 850 1524 330 4 2.0 -3.5 | 183 28 1.5 27.6 8 791 2134 335 11 4.6 -10.0 | 191 22 4.2 21.1 9 709 3048 355 12 1.0 -12.0 | 182 19 0.6 19.1 10 700 3159 355 7 0.6 -7.0 | 180 24 0.1 24.1 11 658 3658 335 11 4.6 -10.0 | 191 22 4.2 21.1 12 610 4267 330 212 106.0 -183.6 | 325 185 105.5 -152.5 13 525 5486 275 12 12.0 -1.0 | 201 32 11.5 30.0 14 506 5791 265 18 17.9 1.6 | 208 37 17.4 32.7 15 500 5880 270 18 18.0 -0.0 | 209 36 17.5 31.1 16 486 6096 275 18 17.9 -1.6 | 211 34 17.4 29.5 17 449 6706 305 21 17.2 -12.0 | 221 25 16.7 19.0 18 400 7600 285 24 23.2 -6.2 | 222 34 22.7 24.9 19 399 7620 285 24 23.2 -6.2 | 222 34 22.7 24.9 20 352 8534 305 23 18.8 -13.2 | 226 26 18.4 17.9 21 324 9144 295 20 18.1 -8.5 | 218 29 17.6 22.6 22 300 9720 290 29 27.3 -9.9 | 232 34 26.8 21.2 23 274 10363 290 36 33.8 -12.3 | 241 38 33.3 18.8 24 251 10973 295 38 34.4 -16.1 | 246 37 34.0 15.0 25 250 11000 295 38 34.4 -16.1 | 246 37 34.0 15.0 26 229 11582 305 35 28.7 -20.1 | 249 30 28.2 11.0 27 200 12480 285 41 39.6 -10.6 | 242 44 39.1 20.5 28 150 14270 265 50 49.8 4.4 | 234 61 49.3 35.4 29 130 15114 245 59 53.5 24.9 | 223 77 53.0 56.0 30 127 15240 245 59 53.5 24.9 | 223 77 53.0 56.0 31 108 16154 240 34 29.4 17.0 | 211 56 29.0 48.1 32 103 16459 250 41 38.5 14.0 | 220 59 38.0 45.1 33 100 16610 230 28 21.4 18.0 | 203 53 21.0 49.1 34 97 16764 230 28 21.4 18.0 | 203 53 21.0 49.1 35 92 17069 240 17 14.7 8.5 | 200 42 14.2 39.6 36 86 17452 295 15 13.6 -6.3 | 208 28 13.1 24.7 37 83 17678 300 15 13.0 -7.5 | 208 27 12.5 23.6 38 78 17983 265 12 12.0 1.0 | 200 34 11.5 32.1 39 74 18288 190 15 2.6 14.8 | 183 46 2.1 45.9 40 70 18610 160 9 -3.1 8.5 | 175 40 -3.6 39.5 41 67 18898 150 13 -6.5 11.3 | 171 43 -7.0 42.3 42 60 19507 100 27 -26.6 4.7 | 143 45 -27.1 35.8 43 54 20117 70 17 -16.0 -5.8 | 147 30 -16.5 25.3 44 52 20422 90 21 -21.0 0.0 | 145 38 -21.5 31.1 45 50 20600 70 25 -23.5 -8.6 | 133 33 -24.0 22.5 46 49 20726 65 24 -21.8 -10.1 | 133 31 -22.2 20.9 47 44 21336 70 42 -39.5 -14.4 | 113 43 -40.0 16.7 48 36 22555 60 32 -27.7 -16.0 | 118 32 -28.2 15.1 49 35 22860 85 27 -26.9 -2.4 | 136 40 -27.4 28.7 50 31 23470 100 30 -29.5 5.2 | 140 47 -30.0 36.3 51 30 23770 85 34 -33.9 -3.0 | 129 44 -34.4 28.1 52 30 23774 85 34 -33.9 -3.0 | 129 44 -34.4 28.1 53 26 24689 75 32 -30.9 -8.3 | 126 39 -31.4 22.8 54 24 25298 100 30 -29.5 5.2 | 140 47 -30.0 36.3 55 20 26360 95 34 -33.9 3.0 | 135 48 -34.4 34.0 56 15 27432 95 37 -36.9 3.2 | 133 51 -37.3 34.3 57 12 28042 85 40 -39.8 -3.5 | 124 49 -40.3 27.6 58 9 29261 85 26 -25.9 -2.3 | 138 39 -26.4 28.8 Wind Parameters Mean winds (0-6000m): 329.1 at 41.4 knts Storm direction: 359.1 at 31.1 knts Shear (0-3000m) pos: 1.9 neg: 1.0 tot: 3.0 10-3/s Storm rel Dir Shear (0-3000m): 6.0 deg Storm rel helicity (0-3000m) pos: 78.7 neg: -56.9 tot: 21.8 m^2/s^2 ave: 7.3 10^-3 m/s^2 rel: 0.09 Storm rel vorticity (0-3000m) horiz: 5.9 stream: 0.5 10^-3/s Energy-Hel index: 0.08 Bulk Rich Number: 0.87 Bulk Shear: 181.81 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 7 6 177 25| 3.0 0.0 3.0| 17.2 -30.6 -13.4 -26.7 -0.16| 12.5 -2.0 1000 16 7 174 25| 1.5 1.6 3.1| 42.7 -40.4 2.3 2.3 0.03| 9.4 0.3 1500 9 6 176 25| 1.0 2.1 3.1| 58.9 -40.4 18.5 12.3 0.13| 8.0 1.1 2000 359 7 179 25| 2.0 1.6 3.5| 75.5 -40.4 35.1 17.6 0.19| 7.4 1.4 2500 353 7 181 24| 2.0 1.2 3.3| 78.7 -46.6 32.2 12.9 0.16| 6.6 1.0 3000 352 8 182 23| 1.9 1.0 3.0| 78.7 -56.9 21.8 7.3 0.09| 5.9 0.5 4000 342 14 192 18| 1.4 15.4 16.8|470.7 -59.5 411.1 102.8 0.38| 21.4 8.2 5000 328 43 283 23| 1.2 9.0 10.2|557.4-3941.2-3383.8 -676.8 -0.11| 39.7 -4.5 6000 329 41 282 21| 1.0 2.2 3.2|603.9-4777.9-4174.0 -695.7 -0.21| 40.6 -8.6 Wrote GIF file: /home/apache/climate/data/raob//NFFN/skewt/NFFN.skewt.20251212.23.gif