UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122123.upa.cvt Date: 2300Z 21 DEC 25 Searching for LY369... Searching the city database file for: LY369 ... Date:2300Z 21 DEC 25 Station: LY369 WMO ident: 13369 ------------------------------------------------------------------------------- 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 898 -782 -2.5 -4.5 86 2.0 -3.3 135 1 279.1 279.6 275.4 287.6 3.04 1 878 -564 -3.7 -4.5 94 0.8 -4.0 279.7 280.2 275.8 288.4 3.11 2 875 -530 -0.7 -1.2 96 0.5 -0.9 283.1 283.7 278.7 294.3 4.00 3 822 74 -2.3 -5.6 78 3.3 -3.6 286.5 287.0 279.2 295.3 3.06 4 786 503 -1.9 -9.9 54 8.0 -4.7 290.6 291.0 280.2 297.4 2.29 5 769 712 0.0 -18.0 24 18.0 -5.4 294.5 294.7 280.6 298.2 1.20 6 735 1142 -1.5 -19.5 24 18.0 -6.7 296.7 296.9 281.4 300.2 1.11 7 514 4337 -20.5 -40.5 15 20.0 -23.0 305.6 305.7 284.0 306.4 0.22 8 466 5153 -24.9 -37.9 29 13.0 -26.5 308.8 308.9 285.3 309.9 0.31 9 443 5565 -28.5 -36.5 46 8.0 -29.5 308.8 308.9 285.4 310.1 0.38 10 430 5805 -29.5 -42.5 27 13.0 -30.7 310.2 310.2 285.7 310.9 0.21 11 352 7360 -40.1 -51.1 30 11.0 -40.6 314.2 314.2 286.9 314.5 0.10 12 218 10757 -60.9 -69.9 30 9.0 -61.0 245 5 328.1 328.1 291.2 328.2 0.01 13 162 12737 -56.1 -77.1 6 21.0 -56.4 365.3 365.3 299.7 365.3 0.01 14 55 19699 -63.9 -91.9 1 28.0 -64.2 479.6 479.6 313.4 479.7 0.00 15 45 20957 -61.3 -90.3 1 29.0 -61.9 514.3 514.3 315.9 514.3 0.00 16 38 22012 -64.7 -92.7 1 28.0 -65.1 531.1 531.1 317.0 531.1 0.00 17 32 23082 -61.3 -90.3 1 29.0 -62.0 567.0 567.0 319.0 567.0 0.00 18 25 24612 -65.7 -93.7 1 28.0 -66.2 595.8 595.8 320.4 595.8 0.00 19 22 25400 -63.1 -92.1 1 29.0 -64.0 625.7 625.7 321.7 625.8 0.00 20 20 25990 -63.3 -92.3 1 29.0 -64.2 275 60 642.4 642.4 322.4 642.4 0.00 TRP 218 10757 -60.9 -69.9 30 9.0 -61.0 245 5 328.1 328.1 291.2 328.2 0.01 WND 11 270 81 Sounding variables and indices Freezing level: Surface below freezing Freezing level: 769.00 mb = 711.96 m = 2335.79 ft Freezing level: 769.00 mb = 711.96 m = 2335.79 ft Wetbulb zero: Below ground Precipitable water: 0.25 inches Sfc-500 mean rel hum: 34.37 % Est. max temperature: 13.69 C = 56.64 F Sfc-Lift cond lev (LCL): 870.11 mb = -476.07 m = -1561.89 ft T: -0.84 C 700-500 lapse rate: 5.90 C/km ThetaE index: 0.00 C Layer 898.0--8725724135424.0 mb Conv cond level (CCL): 652.88 mb = 2200.12 m = 7218.16 ft Mean mixing ratio: 3.26 g/kg Conv temperature: 17.54 C = 63.56 F Cap Strength: 11.24 C Lifted Index: 11.73 C Risk: None Lifted Index @300 mb: 18.04 C Lifted Index @700 mb: 9.13 C Showalter Index: 10.99 C Risk: None Total Totals Index: 38.80 C Risk: None Vertical Totals Index: 20.30 C Cross Totals Index: 18.50 C K Index: -1.22 Risk: None Sweat Index: 4.96 Risk: None Energy Index: 4.39 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 42.06 J/kg Max Up Vert Vel: 9.17 m/s Conv Inhibition (B-): 46542.89 J/kg Cap Strength: 11.56 C Lift Cond Lev (LCL): 815.00 mb = 156.33 m = 512.87 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data ------------------------------------ TRUE/GROUND REL LEV P H DIR SPD U V mb m knt m/s ------------------------------------ 0 11 34439 270 81 81.0 -0.0 1 898 -782 135 1 -0.7 0.7 2 850 1478 120 15 -13.0 7.5 3 700 3021 120 5 -4.3 2.5 4 500 5580 325 9 5.2 -7.4 5 400 7190 315 23 16.3 -16.3 6 300 9140 310 11 8.4 -7.1 7 250 10320 310 7 5.4 -4.5 8 218 10757 245 5 4.5 2.1 9 200 11720 265 9 9.0 0.8 10 150 13530 280 17 16.7 -3.0 11 100 16080 285 15 14.5 -3.9 12 70 18300 275 25 24.9 -2.2 13 50 20370 280 27 26.6 -4.7 14 30 23510 275 38 37.9 -3.3 15 20 25990 275 60 59.8 -5.2 Wind Parameters Energy-Hel index: -2.63 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 NO DATA | | | 1000 NO DATA | | | 1500 NO DATA | | | 2000 NO DATA | | | 2500 NO DATA | | | 3000 NO DATA | | | 4000 NO DATA | | | 5000 NO DATA | | | 6000 NO DATA | | | Wrote GIF file: /home/apache/climate/data/raob//LY369/skewt/LY369.skewt.20251221.23.gif