UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121511.upa.cvt Date: 1100Z 15 DEC 25 Searching for NFFN... Searching the city database file for: NFFN ... Date:1100Z 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 1012 18 24.6 22.7 89 1.9 23.2 0 0 296.7 299.9 296.0 347.1 17.41 1 1004 81 26.0 22.6 82 3.4 23.6 33 4 298.8 302.0 296.5 349.7 17.45 2 1000 113 26.0 22.9 83 3.1 23.8 50 6 299.1 302.4 296.9 351.3 17.85 3 933 720 21.2 21.1 99 0.1 21.2 256 13 300.2 303.4 296.7 350.4 17.12 4 925 795 20.8 20.6 99 0.2 20.7 260 15 300.6 303.6 296.5 349.7 16.74 5 850 1525 17.4 15.9 91 1.5 16.4 255 23 304.4 306.9 295.4 344.6 13.49 6 840 1626 16.6 16.0 96 0.6 16.2 253 22 304.6 307.1 295.6 345.5 13.74 7 825 1780 17.2 13.8 80 3.4 14.9 249 21 306.8 309.0 295.1 343.2 12.11 8 788 2171 14.4 12.0 85 2.4 12.9 242 19 307.8 309.9 294.8 341.9 11.26 9 774 2323 15.0 9.0 67 6.0 11.2 252 17 310.1 311.8 294.0 338.7 9.35 10 703 3133 10.6 5.9 73 4.7 7.8 243 10 313.8 315.4 294.3 339.7 8.32 11 700 3169 10.8 5.8 71 5.0 7.8 240 10 314.4 316.0 294.4 340.3 8.29 12 697 3205 10.8 4.8 66 6.0 7.2 245 10 314.8 316.3 294.1 339.1 7.76 13 545 5215 -1.9 -4.9 80 3.0 -3.4 247 14 322.7 323.6 294.0 338.6 4.88 14 528 5467 -2.9 -5.7 81 2.8 -4.3 272 13 324.4 325.3 294.3 340.0 4.74 15 525 5513 -2.7 -8.7 63 6.0 -5.4 276 13 325.2 325.9 293.7 337.8 3.78 16 524 5528 -2.7 -8.7 63 6.0 -5.4 276 13 325.4 326.1 293.8 338.0 3.78 17 519 5604 -3.1 -5.5 83 2.4 -4.3 279 14 325.8 326.7 294.8 342.0 4.90 18 505 5821 -3.5 -10.5 58 7.0 -6.6 282 16 327.8 328.5 294.1 339.4 3.40 19 500 5900 -3.9 -8.6 70 4.7 -6.1 275 17 328.3 329.1 294.7 341.7 4.00 20 499 5916 -4.1 -8.3 73 4.2 -6.1 273 17 328.2 329.0 294.8 342.0 4.10 21 493 6011 -4.3 -13.3 49 9.0 -8.0 261 15 329.1 329.7 294.0 338.7 2.78 22 465 6468 -6.7 -13.7 57 7.0 -9.6 246 14 331.7 332.3 294.7 341.6 2.86 23 429 7089 -12.1 -13.4 90 1.3 -12.6 247 15 332.5 333.2 295.1 343.5 3.17 24 423 7196 -12.5 -16.8 70 4.3 -14.0 258 15 333.4 333.9 294.8 341.9 2.43 25 414 7360 -13.7 -16.8 77 3.1 -14.8 270 16 333.9 334.4 295.0 342.6 2.48 26 409 7452 -13.7 -23.7 43 10.0 -16.7 270 17 335.0 335.3 294.3 340.0 1.38 27 400 7620 -15.1 -23.1 50 8.0 -17.5 270 20 335.4 335.7 294.5 340.7 1.49 28 386 7889 -16.7 -18.8 84 2.1 -17.4 276 21 336.7 337.2 295.4 344.7 2.25 29 354 8536 -20.3 -26.3 59 6.0 -21.8 290 22 340.3 340.6 295.5 345.0 1.26 30 328 9097 -24.9 -31.9 52 7.0 -26.3 268 27 341.5 341.6 295.4 344.5 0.81 31 300 9740 -30.1 -32.9 76 2.8 -30.6 290 26 343.0 343.1 295.7 346.0 0.80 32 284 10128 -33.5 -34.8 88 1.3 -33.7 296 28 343.5 343.6 295.8 346.2 0.70 33 264 10636 -37.7 -39.3 85 1.6 -37.9 304 32 344.6 344.7 295.8 346.5 0.48 34 250 11010 -40.5 -43.1 76 2.6 -40.8 305 31 345.9 345.9 296.0 347.2 0.34 35 233 11486 -44.3 -47.5 70 3.2 -44.5 306 32 347.1 347.2 296.2 348.0 0.22 36 222 11808 -46.7 -53.7 45 7.0 -47.0 299 35 348.3 348.3 296.4 348.8 0.12 37 205 12330 -51.7 -55.0 68 3.3 -51.8 288 40 348.4 348.5 296.4 348.9 0.11 38 200 12490 -52.9 -58.9 48 6.0 -53.1 285 41 349.0 349.0 296.5 349.3 0.07 39 188 12886 -56.1 -67.1 24 11.0 -56.3 283 44 350.1 350.1 296.7 350.2 0.02 40 160 13889 -64.9 -68.7 59 3.8 -65.0 269 45 351.7 351.7 297.0 351.8 0.02 41 152 14200 -67.1 -74.1 36 7.0 -67.1 262 44 353.2 353.2 297.3 353.2 0.01 42 150 14280 -66.7 -79.7 14 13.0 -66.8 260 44 355.2 355.2 297.7 355.2 0.00 43 149 14320 -66.9 -81.9 10 15.0 -67.0 260 44 355.5 355.5 297.8 355.5 0.00 44 128 15220 -75.1 -81.1 39 6.0 -75.1 256 43 356.5 356.5 298.0 356.6 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5787.00 m Freezing level: 567.74 mb = 4914.27 m = 16122.73 ft Wetbulb zero: 593.42 mb = 4519.44 m = 14827.39 ft Precipitable water: 2.30 inches Sfc-500 mean rel hum: 79.11 % Est. max temperature: 31.63 C = 88.94 F Sfc-Lift cond lev (LCL): 984.76 mb = 247.52 m = 812.07 ft T: 24.94 C 700-500 lapse rate: 5.38 C/km ThetaE index: 6.86 C Layer 825.0- 703.0 mb Conv cond level (CCL): 934.57 mb = 705.54 m = 2314.75 ft Mean mixing ratio: 17.30 g/kg Conv temperature: 28.10 C = 82.58 F Cap Strength: 0.57 C Lifted Index: -1.11 C Risk: Thunderstorms probable Lifted Index @300 mb: -1.94 C Lifted Index @700 mb: 0.12 C Showalter Index: 1.06 C Risk: Showers probable Total Totals Index: 41.10 C Risk: None Vertical Totals Index: 21.30 C Cross Totals Index: 19.80 C K Index: 32.20 Risk: 60-80 % chance of thunderstorms Sweat Index: 253.80 Risk: None Energy Index: -0.60 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 577.00 J/kg Max Up Vert Vel: 33.97 m/s Conv Inhibition (B-): 0.57 J/kg Cap Strength: 0.53 C Lift Cond Lev (LCL): 941.46 mb = 641.27 m = 2103.87 ft Lev Free Conv (LFC): 926.46 mb = 781.36 m = 2563.48 ft Equ Level (EL): 826.46 mb = 1765.16 m = 5791.15 ft B at Equ Level: 15.91 J/kg Wind level data Storm motion: 282 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 1012 18 0 0 -0.0 -0.0 | 102 9 -8.8 1.9 1 1000 113 50 6 -4.6 -3.9 | 82 14 -13.4 -2.0 2 978 305 300 1 0.9 -0.5 | 100 8 -7.9 1.4 3 945 610 250 10 9.4 3.4 | 187 5 0.6 5.3 4 925 795 260 15 14.8 2.6 | 233 7 6.0 4.5 5 912 914 250 16 15.0 5.5 | 220 10 6.3 7.3 6 850 1524 255 23 22.2 6.0 | 240 16 13.4 7.8 7 850 1525 255 23 22.2 6.0 | 240 16 13.4 7.8 8 791 2134 240 19 16.5 9.5 | 214 14 7.7 11.4 9 763 2438 260 16 15.8 2.8 | 236 8 7.0 4.6 10 736 2743 240 18 15.6 9.0 | 212 13 6.8 10.9 11 710 3048 250 10 9.4 3.4 | 187 5 0.6 5.3 12 700 3169 240 10 8.7 5.0 | 179 7 -0.1 6.9 13 635 3962 0 0 -0.0 -0.0 | 102 9 -8.8 1.9 14 611 4267 190 4 0.7 3.9 | 126 10 -8.1 5.8 15 567 4877 250 10 9.4 3.4 | 187 5 0.6 5.3 16 546 5182 245 14 12.7 5.9 | 207 9 3.9 7.8 17 526 5486 275 13 13.0 -1.1 | 260 4 4.2 0.7 18 507 5791 285 16 15.5 -4.1 | 289 7 6.7 -2.3 19 500 5900 275 17 16.9 -1.5 | 267 8 8.2 0.4 20 487 6096 250 14 13.2 4.8 | 213 8 4.4 6.7 21 433 7010 240 15 13.0 7.5 | 204 10 4.2 9.4 22 416 7315 270 15 15.0 -0.0 | 253 6 6.2 1.9 23 400 7620 270 20 20.0 -0.0 | 261 11 11.2 1.9 24 400 7620 270 20 20.0 -0.0 | 261 11 11.2 1.9 25 353 8534 290 22 20.7 -7.5 | 295 13 11.9 -5.7 26 325 9144 265 28 27.9 2.4 | 257 20 19.1 4.3 27 312 9449 265 26 25.9 2.3 | 256 18 17.1 4.1 28 300 9740 290 26 24.4 -8.9 | 294 17 15.7 -7.0 29 299 9754 290 25 23.5 -8.6 | 294 16 14.7 -6.7 30 263 10668 305 32 26.2 -18.4 | 313 24 17.4 -16.5 31 251 10973 305 31 25.4 -17.8 | 314 23 16.6 -15.9 32 250 11010 305 31 25.4 -17.8 | 314 23 16.6 -15.9 33 240 11278 310 30 23.0 -19.3 | 321 22 14.2 -17.4 34 200 12490 285 41 39.6 -10.6 | 286 32 30.8 -8.7 35 172 13411 280 47 46.3 -8.2 | 280 38 37.5 -6.3 36 150 14280 260 44 43.3 7.6 | 255 36 34.6 9.5 37 120 15545 255 42 40.6 10.9 | 248 34 31.8 12.7 Wind Parameters Mean winds (0-6000m): 252.0 at 12.0 knts Storm direction: 282.0 at 9.0 knts Shear (0-3000m) pos: 1.0 neg: 1.7 tot: 2.8 10-3/s Storm rel Dir Shear (0-3000m): 90.7 deg Storm rel helicity (0-3000m) pos: 42.9 neg: -56.8 tot: -13.9 m^2/s^2 ave: -4.6 10^-3 m/s^2 rel: 0.04 Storm rel vorticity (0-3000m) horiz: 11.0 stream: 0.4 10^-3/s Energy-Hel index: 0.11 Bulk Rich Number: 29.46 Bulk Shear: 19.58 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 ------------------------------------------------------------------------------- 500 336 4 78 7| 0.0 7.5 7.5| 8.5 -11.4 -3.0 -6.0 0.09| 20.7 1.9 1000 258 8 172 4| 0.0 8.8 8.8| 20.4 -14.9 5.4 5.4 0.26| 16.8 4.4 1500 255 12 212 6| 2.0 5.9 7.9| 31.7 -14.9 16.7 11.2 0.31| 13.2 4.0 2000 253 15 220 8| 1.5 3.7 5.3| 31.7 -35.6 -3.9 -2.0 0.15| 11.3 1.7 2500 252 15 221 9| 1.3 3.0 4.3| 42.9 -41.5 1.4 0.6 0.16| 10.8 1.7 3000 251 15 219 9| 1.0 1.7 2.8| 42.9 -56.8 -13.9 -4.6 0.04| 11.0 0.4 4000 250 13 207 7| 1.3 1.3 2.6| 47.5 -62.9 -15.4 -3.8 -0.02| 10.2 -0.2 5000 248 11 197 6| 1.0 1.7 2.7| 74.0 -62.9 11.1 2.2 0.12| 9.9 1.2 6000 252 12 205 6| 1.4 1.8 3.2| 87.8 -76.2 11.7 1.9 0.11| 9.9 1.1 Wrote GIF file: /home/apache/climate/data/raob//NFFN/skewt/NFFN.skewt.20251215.11.gif