UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120712.upa.cvt Date: 1200Z 7 DEC 25 Searching for LTBM... Searching the city database file for: LTBM ... Date:1200Z 7 DEC 25 Station: LTBM WMO ident: 17240 Latitude: 37.75 Longitude: 30.55 Elevation: 997.00 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- 0 1000 66 1 925 715 SFC 894 997 10.0 7.3 83 2.7 8.5 0 0 292.4 293.7 286.4 313.0 7.19 3 850 1416 7.0 4.4 83 2.6 5.6 255 8 293.5 294.6 285.8 311.3 6.17 4 713 2833 -4.1 -5.7 89 1.6 -4.8 296.4 297.0 284.1 306.9 3.50 5 700 2978 -5.3 -7.3 86 2.0 -6.1 240 14 296.6 297.2 283.8 306.1 3.15 6 677 3240 -6.5 -9.2 81 2.7 -7.5 298.1 298.6 284.1 306.7 2.81 7 584 4382 -12.1 -17.1 66 5.0 -13.6 304.5 304.8 285.3 309.9 1.71 8 500 5550 -21.1 -29.1 49 8.0 -22.5 260 16 307.3 307.4 285.2 309.6 0.69 9 431 6632 -30.3 -39.3 41 9.0 -31.2 308.9 309.0 285.3 310.0 0.29 10 400 7160 -35.3 -42.3 49 7.0 -35.8 300 16 309.1 309.2 285.3 309.9 0.23 11 396 7230 -35.1 -42.1 49 7.0 -35.7 310.3 310.3 285.7 311.1 0.24 12 300 9090 -52.1 -59.1 43 7.0 -52.2 305 22 311.9 311.9 286.1 312.1 0.04 13 273 9700 -56.3 -63.3 41 7.0 -56.4 310 28 314.4 314.4 286.9 314.5 0.03 14 259 10035 -58.3 316.2 15 250 10260 -57.1 255 27 321.2 16 229 10817 -55.1 -63.1 36 8.0 -55.2 332.4 332.4 292.4 332.5 0.03 17 200 11680 -55.1 240 27 345.5 18 170 12722 -58.5 356.3 19 150 13520 -57.1 235 28 371.7 20 109 15528 -58.1 405.4 21 100 16070 -57.1 245 35 417.4 22 79 17558 -57.3 446.1 23 71 18231 -58.3 457.8 24 70 18320 -58.1 250 23 460.1 25 53 20073 -58.1 498.2 26 50 20440 -58.1 255 35 506.6 27 47 20829 -60.3 510.3 28 41 21686 -58.3 535.6 29 36 22509 -56.5 560.6 30 31 23460 -56.1 586.2 31 30 23670 -54.1 250 60 597.2 32 28 24110 -56.1 603.5 33 23 25347 -60.3 626.1 34 20 26220 -59.3 265 80 654.7 35 16 27624 -58.3 701.1 36 10 30620 -53.3 275 128 820.6 37 9.3 31089 -51.3 845.4 38 7.8 32253 -43.5 920.3 39 6.3 33712 -36.1 1009.8 40 4.8 35604 -35.3 1095.1 TRP 273 9700 -56.3 -63.3 41 7.0 -56.4 310 28 314.4 314.4 286.9 314.5 0.03 WND 4.0 265 165 Sounding variables and indices 1000-500 mb thick: 5484.00 m Freezing level: 763.60 mb = 2309.60 m = 7577.33 ft Wetbulb zero: 775.85 mb = 2151.88 m = 7059.88 ft Precipitable water: 0.57 inches Sfc-500 mean rel hum: 74.91 % Est. max temperature: 13.24 C = 55.84 F Sfc-Lift cond lev (LCL): 858.10 mb = 1337.25 m = 4387.26 ft T: 7.56 C 700-500 lapse rate: 6.14 C/km ThetaE index: 6.87 C Layer 850.0- 677.0 mb Conv cond level (CCL): 801.17 mb = 1893.02 m = 6210.63 ft Mean mixing ratio: 6.05 g/kg Conv temperature: 12.07 C = 53.72 F Cap Strength: 0.83 C Lifted Index: 0.50 C Risk: Showers probable Lifted Index @300 mb: 0.85 C Lifted Index @700 mb: -1.75 C Showalter Index: 0.38 C Risk: Thunderstorms probable Total Totals Index: 53.60 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 28.10 C Cross Totals Index: 25.50 C K Index: 30.50 Risk: 60-80 % chance of thunderstorms Sweat Index: 176.80 Risk: None Energy Index: -0.39 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 70.28 J/kg Max Up Vert Vel: 11.86 m/s Conv Inhibition (B-): 7.17 J/kg Cap Strength: 0.80 C Lift Cond Lev (LCL): 811.96 mb = 1785.18 m = 5856.83 ft Lev Free Conv (LFC): 776.96 mb = 2140.43 m = 7022.32 ft Equ Level (EL): 606.96 mb = 4084.28 m = 13399.69 ft B at Equ Level: 68.21 J/kg Max Parcel Lev (MPL): 346.96 mb = 8115.68 m = 26625.93 ft Wind level data ------------------------------------ TRUE/GROUND REL LEV P H DIR SPD U V mb m knt m/s ------------------------------------ 0 4 44277 265 165 164.4 14.4 1 894 997 0 0 -0.0 -0.0 2 850 1416 255 8 7.7 2.1 3 700 2978 240 14 12.1 7.0 4 500 5550 260 16 15.8 2.8 5 400 7160 300 16 13.9 -8.0 6 300 9090 305 22 18.0 -12.6 7 273 9700 310 28 21.4 -18.0 8 250 10260 255 27 26.1 7.0 9 200 11680 240 27 23.4 13.5 10 150 13520 235 28 22.9 16.1 11 100 16070 245 35 31.7 14.8 12 70 18320 250 23 21.6 7.9 13 50 20440 255 35 33.8 9.1 14 30 23670 250 60 56.4 20.5 15 20 26220 265 80 79.7 7.0 16 10 30620 275 128 127.5 -11.2 Wind Parameters Energy-Hel index: -4.39 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//LTBM/skewt/LTBM.skewt.20251207.12.gif