UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042412.upa.cvt Date: 1200Z 24 APR 25 Searching for FK870... Searching the city database file for: FK870 ... Date:1200Z 24 APR 25 Station: FK870 WMO ident: 64870 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- 0 1000 53 1 920 -10550 SFC 890 -5386 27.8 19.8 62 8.0 22.0 280 5 311.1 314.3 299.1 361.9 16.55 3 850 1512 23.0 17.0 69 6.0 18.8 270 7 310.2 313.0 297.6 354.4 14.49 4 785 2202 20.0 10.0 53 10.0 13.5 360 18 314.2 316.1 295.5 344.8 9.87 5 700 3180 13.8 -0.2 38 14.0 6.1 45 22 317.8 318.8 293.0 335.0 5.39 6 500 5910 -3.1 -37.1 5 34.0 -11.0 90 32 329.3 329.3 291.9 330.5 0.32 7 400 7630 -13.5 -47.5 4 34.0 -18.8 65 27 337.4 337.5 293.8 338.0 0.13 8 300 9750 -30.3 -54.3 8 24.0 -32.3 30 16 342.7 342.7 295.0 343.0 0.08 9 250 11020 -39.5 -44.5 59 5.0 -39.9 10 13 347.3 347.4 296.3 348.5 0.29 10 200 12500 -52.1 -55.3 68 3.2 -52.2 115 4 350.3 350.3 296.8 350.7 0.11 11 150 14300 -68.1 -71.3 63 3.2 -68.1 80 24 352.8 352.8 297.3 352.8 0.02 12 100 16650 -81.9 -84.3 67 2.4 -81.9 145 12 369.5 369.5 300.5 369.5 0.00 13 97 16820 -82.5 144 12 371.6 14 95 16935 -82.5 144 12 373.8 15 87 17428 -79.5 143 12 389.3 16 85 17560 -78.3 142 11 394.4 17 73 18436 -73.5 177 11 422.0 18 70 18680 -74.9 235 11 424.1 19 56 19968 -76.9 331 7 447.5 20 50 20630 -70.3 20 5 477.8 21 38 22299 -61.7 291 8 538.8 22 30 23760 -63.1 345 6 572.6 23 25 24894 -57.9 66 22 618.2 24 23 25422 -55.7 77 27 639.6 25 20 26310 -56.3 95 37 663.8 26 17 27365 -49.1 109 39 718.5 27 12 29683 -44.7 87 51 809.4 28 11 30270 -41.9 81 55 839.9 29 10 30920 -40.3 75 58 869.1 30 9.3 31415 -39.9 888.9 31 9.2 31489 -40.1 890.9 TRP 785 2202 20.0 10.0 53 10.0 13.5 360 18 314.2 316.1 295.5 344.8 9.87 WND Sounding variables and indices 1000-500 mb thick: 5857.00 m Freezing level: 536.69 mb = 5409.23 m = 17746.60 ft Wetbulb zero: 628.98 mb = 4048.03 m = 13280.78 ft Precipitable water: 1.06 inches Sfc-500 mean rel hum: 35.27 % Est. max temperature: 32.52 C = 90.54 F Sfc-Lift cond lev (LCL): 792.34 mb = 2121.22 m = 6959.31 ft T: 20.35 C 700-500 lapse rate: 6.19 C/km ThetaE index: 31.40 C Layer 850.0- 400.0 mb Conv cond level (CCL): 683.98 mb = 3367.79 m = 11049.05 ft Mean mixing ratio: 13.57 g/kg Conv temperature: 34.99 C = 94.98 F Cap Strength: 3.64 C Lifted Index: -1.24 C Risk: Thunderstorms probable Lifted Index @300 mb: -3.60 C Lifted Index @700 mb: 2.35 C Showalter Index: -1.65 C Risk: Thunderstorms probable Total Totals Index: 46.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 26.10 C Cross Totals Index: 20.10 C K Index: 29.10 Risk: 40-60 % chance of thunderstorms Sweat Index: 250.00 Risk: None Energy Index: -4.51 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 867.27 J/kg Max Up Vert Vel: 41.65 m/s Conv Inhibition (B-): 177.81 J/kg Cap Strength: 3.64 C Lift Cond Lev (LCL): 753.42 mb = 2552.42 m = 8373.98 ft Lev Free Conv (LFC): 568.42 mb = 4869.48 m = 15975.78 ft Equ Level (EL): 148.42 mb = 14361.55 m = 47117.36 ft B at Equ Level: 861.01 J/kg Max Parcel Lev (MPL): 88.42 mb = 17337.90 m = 56882.18 ft Wind level data Storm motion: 305 at 4 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 ---------------------------------------------------------- 0 890 -5386 280 5 4.9 -0.9 | 219 2 1.3 1.6 1 850 1512 270 7 7.0 -0.0 | 233 4 3.4 2.5 2 785 2202 360 18 -0.0 -18.0 | 13 16 -3.6 -15.5 3 700 3180 45 22 -15.6 -15.6 | 56 23 -19.2 -13.0 4 500 5910 90 32 -32.0 0.0 | 94 36 -35.6 2.5 5 400 7630 65 27 -24.5 -11.4 | 72 29 -28.1 -8.9 6 300 9750 30 16 -8.0 -13.9 | 46 16 -11.6 -11.3 7 250 11020 10 13 -2.3 -12.8 | 30 12 -5.9 -10.3 8 200 12500 115 4 -3.6 1.7 | 120 8 -7.2 4.2 9 150 14300 80 24 -23.6 -4.2 | 87 27 -27.2 -1.7 10 100 16650 145 12 -6.9 9.8 | 140 16 -10.5 12.3 11 75 18288 140 11 -7.1 8.4 | 136 15 -10.7 10.9 12 70 18680 235 11 9.0 6.3 | 211 10 5.4 8.8 13 50 20630 20 5 -1.7 -4.7 | 68 6 -5.3 -2.2 14 45 21336 255 9 8.7 2.3 | 226 7 5.1 4.8 15 30 23760 345 6 1.6 -5.8 | 32 4 -2.1 -3.3 16 27 24384 55 16 -13.1 -9.2 | 68 18 -16.7 -6.7 17 20 26310 95 37 -36.9 3.2 | 98 41 -40.5 5.7 18 17 27432 110 39 -36.6 13.3 | 111 43 -40.3 15.8 19 10 30920 75 58 -56.0 -15.0 | 78 61 -59.6 -12.5 Wind Parameters Mean winds (0-6000m): 274.8 at 5.9 knts Storm direction: 304.8 at 4.4 knts Shear (0-3000m) pos: 0.0 neg: 0.2 tot: 0.2 10-3/s Storm rel Dir Shear (0-3000m): 10.5 deg Storm rel helicity (0-3000m) pos: 0.3 neg: 0.0 tot: 0.3 m^2/s^2 ave: 0.1 10^-3 m/s^2 rel: 0.46 Storm rel vorticity (0-3000m) horiz: 0.2 stream: 0.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 8701.13 Bulk Shear: 0.10 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 ------------------------------------------------------------------------------- 500 278 5 217 2| 0.0 0.2 0.2| 0.1 0.0 0.1 0.1 0.59| 0.2 0.1 1000 278 5 219 2| 0.0 0.2 0.2| 0.1 0.0 0.1 0.1 0.56| 0.2 0.1 1500 277 5 220 2| 0.0 0.2 0.2| 0.2 0.0 0.2 0.1 0.53| 0.2 0.1 2000 277 5 221 2| 0.0 0.2 0.2| 0.2 0.0 0.2 0.1 0.51| 0.2 0.1 2500 277 5 222 3| 0.0 0.2 0.2| 0.2 0.0 0.2 0.1 0.49| 0.2 0.1 3000 277 5 223 3| 0.0 0.2 0.2| 0.3 0.0 0.3 0.1 0.46| 0.2 0.1 4000 276 6 225 3| 0.0 0.2 0.2| 0.4 0.0 0.4 0.1 0.42| 0.2 0.1 5000 275 6 227 3| 0.0 0.2 0.2| 0.4 0.0 0.4 0.1 0.38| 0.2 0.1 6000 275 6 228 3| 0.0 0.2 0.2| 0.5 0.0 0.5 0.1 0.35| 0.2 0.1 Wrote GIF file: /home/apache/climate/data/raob//FK870/skewt/FK870.skewt.20250424.12.gif