UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120411.upa.cvt Date: 1100Z 4 DEC 25 Searching for FEFF... Searching the city database file for: FEFF ... Date:1100Z 4 DEC 25 Station: FEFF WMO ident: 64650 Latitude: 4.40 Longitude: 18.52 Elevation: 366.00 ------------------------------------------------------------------------------- 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 969 366 30.2 23.2 66 7.0 25.0 220 2 306.1 309.6 299.2 362.6 18.79 1 878 1232 22.0 20.1 89 1.9 20.6 112 3 306.3 309.5 298.2 357.8 17.11 2 845 1563 19.6 17.7 89 1.9 18.3 94 3 307.2 310.1 297.3 353.2 15.26 3 810 1926 18.8 13.8 73 5.0 15.4 88 10 310.1 312.4 296.1 347.7 12.34 4 758 2490 14.0 10.3 78 3.7 11.6 76 22 310.8 312.8 295.0 342.8 10.44 5 731 2795 12.8 6.8 67 6.0 9.1 71 25 312.8 314.4 294.1 339.1 8.51 6 713 3004 11.6 1.6 50 10.0 6.0 76 17 313.7 314.8 292.4 332.6 6.03 7 701 3145 10.6 0.6 50 10.0 5.1 80 11 314.1 315.2 292.3 332.1 5.71 8 621 4138 1.6 -2.4 75 4.0 -0.4 129 16 314.9 315.8 292.0 331.2 5.17 9 620 4151 1.6 -2.5 74 4.1 -0.5 130 16 315.0 316.0 292.1 331.3 5.14 10 618 4177 3.2 -17.8 20 21.0 -4.4 132 16 317.1 317.4 289.5 322.3 1.53 11 507 5767 -2.1 -38.1 4 36.0 -10.4 70 21 329.2 329.2 291.8 330.2 0.28 12 444 6805 -10.5 -39.5 7 29.0 -16.2 78 21 331.3 331.4 292.3 332.4 0.28 13 394 7717 -15.1 -35.1 16 20.0 -19.3 80 23 336.8 336.9 294.0 338.7 0.49 14 371 8169 -18.9 -43.9 9 25.0 -22.7 87 21 337.6 337.7 293.9 338.4 0.21 15 349 8622 -22.1 -36.1 27 14.0 -24.6 101 16 339.2 339.3 294.6 341.2 0.50 16 331 9010 -24.9 -34.9 39 10.0 -26.7 113 12 340.6 340.7 295.0 342.9 0.60 17 308 9529 -29.5 -33.4 69 3.9 -30.2 129 7 341.2 341.4 295.3 344.0 0.74 18 257 10794 -40.1 -42.8 75 2.7 -40.4 334 7 343.7 343.8 295.6 345.1 0.34 19 224 11717 -47.9 -55.9 39 8.0 -48.2 353 9 345.5 345.6 295.7 345.9 0.09 20 212 12080 -49.1 -60.1 27 11.0 -49.5 50 9 349.2 349.2 296.5 349.4 0.05 21 199 12493 -51.9 -67.9 13 16.0 -52.2 155 8 351.1 351.1 296.9 351.2 0.02 22 200 12460 -51.9 -66.9 15 15.0 -52.2 155 8 350.6 350.6 296.8 350.7 0.02 TRP WND Sounding variables and indices Freezing level: 550.98 mb = 5136.88 m = 16853.08 ft Wetbulb zero: 627.45 mb = 4053.33 m = 13298.17 ft Precipitable water: 1.72 inches Sfc-500 mean rel hum: 52.44 % Est. max temperature: 33.41 C = 92.13 F Sfc-Lift cond lev (LCL): 875.97 mb = 1252.34 m = 4108.69 ft T: 21.86 C 700-500 lapse rate: 4.96 C/km ThetaE index: 31.33 C Layer 878.0- 620.0 mb Conv cond level (CCL): 855.31 mb = 1458.27 m = 4784.30 ft Mean mixing ratio: 17.84 g/kg Conv temperature: 31.03 C = 87.85 F Cap Strength: 0.50 C Lifted Index: -3.35 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -7.74 C Lifted Index @700 mb: -2.65 C Showalter Index: -1.36 C Risk: Thunderstorms probable Total Totals Index: 44.00 C Risk: None Vertical Totals Index: 22.95 C Cross Totals Index: 21.05 C K Index: 31.09 Risk: 60-80 % chance of thunderstorms Sweat Index: 243.04 Risk: None Energy Index: -4.48 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 2219.78 J/kg Max Up Vert Vel: 66.63 m/s Conv Inhibition (B-): 2.13 J/kg Cap Strength: 0.44 C Lift Cond Lev (LCL): 864.08 mb = 1370.27 m = 4495.57 ft Lev Free Conv (LFC): 849.08 mb = 1521.37 m = 4991.31 ft Equ Level (EL): 829.08 mb = 1726.14 m = 5663.13 ft B at Equ Level: 0.80 J/kg Max Parcel Lev (MPL): 819.08 mb = 1830.27 m = 6004.76 ft Wind level data Storm motion: 118 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 ---------------------------------------------------------- 0 969 366 220 2 1.3 1.5 | 287 10 9.4 -2.8 1 943 610 195 2 0.5 1.9 | 286 9 8.6 -2.4 2 925 775 215 8 4.6 6.6 | 260 13 12.7 2.2 3 910 914 160 2 -0.7 1.9 | 289 8 7.4 -2.5 4 850 1516 70 3 -2.8 -1.0 | 316 8 5.2 -5.4 5 849 1524 95 2 -2.0 0.2 | 305 7 6.1 -4.2 6 790 2134 85 14 -13.9 -1.2 | 46 8 -5.9 -5.6 7 736 2743 70 27 -25.4 -9.2 | 52 22 -17.3 -13.6 8 700 3167 80 11 -10.8 -1.9 | 24 7 -2.8 -6.3 9 684 3353 80 11 -10.8 -1.9 | 24 7 -2.8 -6.3 10 634 3962 115 15 -13.6 6.3 | 110 6 -5.5 2.0 11 611 4267 140 17 -10.9 13.0 | 162 9 -2.9 8.7 12 588 4572 120 12 -10.4 6.0 | 125 3 -2.3 1.6 13 566 4877 90 2 -2.0 0.0 | 306 7 6.1 -4.4 14 545 5182 80 10 -9.8 -1.7 | 16 6 -1.8 -6.1 15 506 5791 70 21 -19.7 -7.2 | 45 16 -11.7 -11.5 16 500 5880 75 19 -18.4 -4.9 | 48 14 -10.3 -9.3 17 400 7610 80 23 -22.7 -4.0 | 60 17 -14.6 -8.4 18 383 7925 80 23 -22.7 -4.0 | 60 17 -14.6 -8.4 19 300 9720 135 5 -3.5 3.5 | 280 5 4.5 -0.8 20 286 10058 100 3 -3.0 0.5 | 307 6 5.1 -3.8 21 273 10363 355 11 1.0 -11.0 | 329 18 9.0 -15.3 22 250 10980 325 5 2.9 -4.1 | 308 14 10.9 -8.5 23 218 11887 360 10 -0.0 -10.0 | 331 16 8.1 -14.4 24 200 12460 155 8 -3.4 7.3 | 238 6 4.7 2.9 25 190 12802 155 8 -3.4 7.3 | 238 6 4.7 2.9 Wind Parameters Mean winds (0-6000m): 88.4 at 12.2 knts Storm direction: 118.4 at 9.2 knts Shear (0-3000m) pos: 2.0 neg: 4.1 tot: 6.1 10-3/s Storm rel Dir Shear (0-3000m): 98.3 deg Storm rel helicity (0-3000m) pos: 31.6 neg: -31.7 tot: -0.1 m^2/s^2 ave: -0.0 10^-3 m/s^2 rel: 0.11 Storm rel vorticity (0-3000m) horiz: 10.0 stream: 1.2 10^-3/s Energy-Hel index: 0.43 Bulk Rich Number: 80.60 Bulk Shear: 27.54 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 ------------------------------------------------------------------------------- 500 208 4 276 10| 0.0 3.0 3.0| 5.2 -12.3 -7.2 -14.4 -0.23| 11.9 -2.7 1000 184 3 279 8| 0.0 2.2 2.2| 14.1 -12.3 1.8 1.8 0.12| 8.5 1.0 1500 134 4 289 6| 0.0 3.5 3.5| 21.9 -13.6 8.4 5.6 0.30| 8.3 2.5 2000 97 6 332 4| 0.0 5.3 5.3| 30.9 -13.6 17.3 8.7 0.35| 8.9 3.1 2500 83 10 15 6| 0.0 5.0 5.0| 31.3 -18.9 12.4 5.0 0.24| 9.6 2.3 3000 81 10 21 6| 2.0 4.1 6.1| 31.6 -31.7 -0.1 -0.0 0.11| 10.0 1.2 4000 92 11 41 5| 2.6 3.1 5.7| 56.4 -34.0 22.4 5.6 0.27| 9.9 2.6 5000 94 11 39 5| 2.1 3.4 5.4| 71.4 -40.7 30.7 6.1 0.19| 10.7 2.0 6000 88 12 41 6| 1.7 3.3 5.0| 84.7 -40.7 44.0 7.3 0.20| 9.8 2.0 Wrote GIF file: /home/apache/climate/data/raob//FEFF/skewt/FEFF.skewt.20251204.11.gif