UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122012.upa.cvt Date: 1200Z 20 DEC 25 Searching for OITT... Searching the city database file for: OITT ... Date:1200Z 20 DEC 25 Station: OITT WMO ident: 40706 Latitude: 38.08 Longitude: 46.28 Elevation: 1361.00 ------------------------------------------------------------------------------- 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 183 1 925 837 SFC 868 1361 7.0 -7.0 36 14.0 1.3 250 6 291.7 292.2 281.1 299.5 2.60 3 850 1534 4.2 -7.8 41 12.0 -0.5 250 4 290.5 291.0 280.4 297.9 2.50 4 833 1698 2.8 -8.2 44 11.0 -1.4 234 4 290.8 291.2 280.5 298.1 2.47 5 821 1815 2.0 -11.0 37 13.0 -2.7 222 3 291.1 291.5 280.1 297.1 2.01 6 753 2506 -3.5 -13.5 46 10.0 -6.7 153 2 292.4 292.8 280.4 297.9 1.79 7 745 2590 -3.7 -14.7 42 11.0 -7.2 145 2 293.1 293.4 280.5 298.1 1.64 8 721 2849 -3.1 -22.1 21 19.0 -8.2 119 1 296.5 296.7 281.1 299.4 0.90 9 704 3038 -3.3 -26.3 15 23.0 -8.9 100 1 298.3 298.5 281.5 300.4 0.63 10 700 3083 -3.5 -25.5 16 22.0 -8.9 95 1 298.6 298.7 281.7 300.8 0.69 11 675 3369 -5.9 -22.9 25 17.0 -10.3 85 1 299.0 299.2 282.1 301.9 0.90 12 336 8358 -52.1 -78.1 3 26.0 -52.3 302.0 302.0 282.2 302.0 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5332.12 m Freezing level: 796.27 mb = 2066.25 m = 6778.94 ft Wetbulb zero: 855.03 mb = 1485.29 m = 4872.95 ft Precipitable water: 0.19 inches Sfc-500 mean rel hum: 25.76 % Est. max temperature: 11.92 C = 53.46 F Sfc-Lift cond lev (LCL): 699.36 mb = 3090.24 m = 10138.47 ft T: -3.56 C 700-500 lapse rate: 9.16 C/km ThetaE index: 1.51 C Layer 850.0- 833.0 mb Conv cond level (CCL): 596.71 mb = 4250.65 m = 13945.52 ft Mean mixing ratio: 2.16 g/kg Conv temperature: 15.25 C = 59.44 F Cap Strength: 6.88 C Lifted Index: 4.76 C Risk: None Lifted Index @700 mb: 6.60 C Showalter Index: 4.62 C Risk: None Total Totals Index: 47.95 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 29.97 C Cross Totals Index: 17.97 C K Index: 0.17 Risk: None Energy Index: 0.67 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 6.02 J/kg Max Up Vert Vel: 3.47 m/s Conv Inhibition (B-): 1097.98 J/kg Cap Strength: 6.88 C Lift Cond Lev (LCL): 677.79 mb = 3336.56 m = 10946.59 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 256 at 1 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 ---------------------------------------------------------- 0 868 1361 250 6 5.6 2.1 | 249 5 4.9 1.9 1 850 1534 250 4 3.8 1.4 | 249 3 3.0 1.2 2 700 3083 95 1 -1.0 0.1 | 87 2 -1.7 -0.1 3 500 5574 0 0 -0.0 -0.0 | 76 1 -0.7 -0.2 4 400 7185 0 0 -0.0 -0.0 | 76 1 -0.7 -0.2 Wind Parameters Mean winds (0-6000m): 226.1 at 1.0 knts Storm direction: 256.1 at 0.7 knts Shear (0-3000m) pos: 0.0 neg: 1.1 tot: 1.1 10-3/s Storm rel Dir Shear (0-3000m): 175.1 deg Storm rel helicity (0-3000m) pos: 0.0 neg: -5.3 tot: -5.3 m^2/s^2 ave: -1.8 10^-3 m/s^2 rel: -0.78 Storm rel vorticity (0-3000m) horiz: 1.7 stream: -1.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 4.39 Bulk Shear: 1.37 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 ------------------------------------------------------------------------------- 500 242 4 239 3| 0.0 3.8 3.8| 0.0 -1.8 -1.8 -3.6 -0.54| 4.2 -2.3 1000 230 4 223 3| 0.0 3.2 3.2| 0.0 -3.7 -3.7 -3.7 -0.72| 3.5 -2.5 1500 236 3 230 2| 0.0 2.4 2.4| 0.0 -4.8 -4.8 -3.2 -0.78| 3.0 -2.3 2000 242 3 237 2| 0.0 1.8 1.8| 0.0 -5.2 -5.2 -2.6 -0.78| 2.5 -1.9 2500 240 2 232 1| 0.0 1.4 1.4| 0.0 -5.3 -5.3 -2.1 -0.78| 2.0 -1.6 3000 239 2 228 1| 0.0 1.1 1.1| 0.0 -5.3 -5.3 -1.8 -0.78| 1.7 -1.4 4000 230 1 208 1| 0.0 0.8 0.8| 0.0 -5.3 -5.3 -1.3 -0.74| 1.4 -1.0 5000 226 1 191 1| 0.0 0.6 0.6| 0.0 -5.3 -5.3 -1.1 -0.72| 1.1 -0.8 6000 NO DATA | 0.0 0.6 0.6| | Wrote GIF file: /home/apache/climate/data/raob//OITT/skewt/OITT.skewt.20251220.12.gif