UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121312.upa.cvt Date: 1200Z 13 DEC 25 Searching for UIBB... Searching the city database file for: UIBB ... Date:1200Z 13 DEC 25 Station: UIBB WMO ident: 30309 Latitude: 56.07 Longitude: 101.83 Elevation: 489.00 ------------------------------------------------------------------------------- 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 1000 0 0.0 -4.3 73 4.3 -1.6 273.1 273.6 271.6 280.7 2.77 1 837 1447 -14.7 -18.8 71 4.1 -15.5 271.9 272.1 268.0 274.9 1.03 2 827 1542 -15.1 -19.6 68 4.5 -16.0 272.5 272.6 268.2 275.3 0.98 3 811 1696 -14.3 -18.0 73 3.7 -15.1 274.8 275.0 270.0 278.1 1.14 4 700 2845 -18.7 -20.8 83 2.1 -19.1 305 35 281.8 282.0 273.9 284.9 1.04 5 661 3271 -19.9 -22.8 78 2.9 -20.4 285.1 285.2 275.6 287.9 0.92 6 602 3957 -24.9 -28.2 74 3.3 -25.4 287.0 287.1 276.1 289.0 0.62 7 595 4042 -24.5 -27.7 75 3.2 -25.0 288.5 288.6 276.9 290.5 0.66 8 535 4809 -28.5 -33.5 62 5.0 -29.0 292.6 292.6 278.6 294.0 0.42 9 500 5290 -32.5 -40.5 45 8.0 -33.1 315 52 293.4 293.5 278.7 294.2 0.22 10 477 5619 -34.9 -43.9 39 9.0 -35.5 294.4 294.5 279.1 295.0 0.16 11 473 5678 -35.5 -44.5 39 9.0 -36.1 294.4 294.4 279.0 294.9 0.15 12 400 6830 -40.5 -49.5 37 9.0 -40.9 320 79 302.4 302.4 282.5 302.7 0.10 13 390 7003 -41.1 -51.1 33 10.0 -41.5 303.8 303.8 283.0 304.1 0.09 14 348 7768 -47.1 -57.1 31 10.0 -47.4 305.7 305.7 283.7 305.9 0.05 15 300 8740 -52.5 -60.5 37 8.0 -52.7 320 104 311.3 311.4 285.8 311.5 0.04 TRP WND 288 325 108 Sounding variables and indices 1000-500 mb thick: 5290.00 m Freezing level: 1000.00 mb = 0.00 m = 0.00 ft Wetbulb zero: Below ground Precipitable water: 0.24 inches Sfc-500 mean rel hum: 72.16 % Est. max temperature: -1.07 C = 30.07 F Sfc-Lift cond lev (LCL): 935.02 mb = 546.59 m = 1793.25 ft T: -5.55 C 700-500 lapse rate: 5.64 C/km ThetaE index: 5.85 C Layer 837.0- 827.0 mb Conv cond level (CCL): 837.00 mb = 1447.45 m = 4748.80 ft Mean mixing ratio: 2.32 g/kg Conv temperature: 4.83 C = 40.69 F Cap Strength: 11.79 C Lifted Index: 12.07 C Risk: None Lifted Index @300 mb: 22.83 C Lifted Index @700 mb: 4.60 C Showalter Index: 15.12 C Risk: None Total Totals Index: 34.03 C Risk: None Vertical Totals Index: 19.07 C Cross Totals Index: 14.96 C K Index: -0.57 Risk: None Energy Index: 4.14 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 51.41 J/kg Max Up Vert Vel: 10.14 m/s Conv Inhibition (B-): 11.42 J/kg Cap Strength: 12.05 C Lift Cond Lev (LCL): 906.28 mb = 800.54 m = 2626.41 ft Lev Free Conv (LFC): 901.28 mb = 845.54 m = 2774.06 ft Equ Level (EL): 801.28 mb = 1790.31 m = 5873.64 ft B at Equ Level: 49.80 J/kg Max Parcel Lev (MPL): 731.28 mb = 2503.80 m = 8214.48 ft Wind level data ------------------------------------ TRUE/GROUND REL LEV P H DIR SPD U V mb m knt m/s ------------------------------------ 0 288 10163 325 108 61.9 -88.5 1 965 489 0 0 -0.0 -0.0 2 925 741 315 9 6.4 -6.4 3 850 1383 310 23 17.6 -14.8 4 700 2845 305 35 28.7 -20.1 5 500 5290 315 52 36.8 -36.8 6 400 6830 320 79 50.8 -60.5 7 300 8740 320 104 66.8 -79.7 Wind Parameters Energy-Hel index: -3.21 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//UIBB/skewt/UIBB.skewt.20251213.12.gif