UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121300.upa.cvt Date: 0000Z 13 DEC 25 Searching for LT030... Searching the city database file for: LT030 ... Date:0000Z 13 DEC 25 Station: LT030 WMO ident: 17030 Latitude: 41.28 Longitude: 36.30 ------------------------------------------------------------------------------- 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 1018 5 12.0 4.0 58 8.0 8.0 240 3 283.7 284.6 280.3 297.7 5.00 1 1000 154 11.0 4.0 62 7.0 7.5 245 3 284.1 285.0 280.6 298.4 5.09 2 925 807 6.4 1.4 70 5.0 4.0 280 4 285.9 286.6 280.8 298.8 4.57 3 850 1489 1.8 -1.3 80 3.1 0.4 305 5 288.0 288.7 281.2 299.8 4.09 4 798 1997 -0.9 -3.5 82 2.6 -2.0 308 9 290.4 291.1 281.8 301.2 3.70 5 700 3031 -7.9 -10.7 80 2.8 -8.9 315 17 293.7 294.2 281.8 301.0 2.41 6 693 3109 -7.1 -10.2 78 3.1 -8.2 314 17 295.5 295.9 282.7 303.1 2.54 7 597 4256 -15.5 -19.0 74 3.5 -16.4 306 23 298.6 298.9 282.6 303.1 1.43 8 500 5570 -25.9 -29.1 74 3.2 -26.4 295 30 301.5 301.6 282.9 303.7 0.69 9 462 6140 -29.1 -34.1 62 5.0 -29.7 306 32 304.4 304.4 283.8 305.9 0.46 10 457 6218 -29.3 -35.3 56 6.0 -30.0 307 32 305.1 305.1 284.0 306.5 0.41 11 415 6902 -33.9 -42.9 40 9.0 -34.6 320 34 307.7 307.7 284.7 308.4 0.21 12 400 7160 -35.9 -43.9 44 8.0 -36.5 325 35 308.3 308.4 284.9 309.0 0.19 13 316 8749 -48.7 -55.7 44 7.0 -48.9 345 34 312.0 312.1 286.1 312.3 0.06 14 307 8939 -48.5 -56.5 39 8.0 -48.7 345 34 314.9 314.9 287.1 315.1 0.06 15 300 9090 -48.1 -57.1 35 9.0 -48.4 345 34 317.6 317.6 288.0 317.8 0.06 16 267 9853 -51.1 -64.1 20 13.0 -51.4 335 38 323.9 323.9 290.0 324.0 0.03 17 250 10280 -51.3 330 41 329.8 18 200 11720 -54.1 310 34 347.1 19 185 12221 -53.3 356.2 20 183 12291 -52.7 358.3 TRP 316 8749 -48.7 -55.7 44 7.0 -48.9 345 34 312.0 312.1 286.1 312.3 0.06 WND Sounding variables and indices 1000-500 mb thick: 5416.00 m Freezing level: 815.33 mb = 1827.34 m = 5995.15 ft Wetbulb zero: 840.81 mb = 1576.43 m = 5171.96 ft Precipitable water: 0.66 inches Sfc-500 mean rel hum: 75.63 % Est. max temperature: 15.82 C = 60.47 F Sfc-Lift cond lev (LCL): 901.79 mb = 1011.92 m = 3319.92 ft T: 5.02 C 700-500 lapse rate: 7.09 C/km ThetaE index: 0.17 C Layer 700.0- 693.0 mb Conv cond level (CCL): 827.45 mb = 1705.13 m = 5594.20 ft Mean mixing ratio: 4.85 g/kg Conv temperature: 17.37 C = 63.26 F Cap Strength: 3.76 C Lifted Index: 4.08 C Risk: None Lifted Index @300 mb: 13.58 C Lifted Index @700 mb: 2.39 C Showalter Index: 3.20 C Risk: None Total Totals Index: 52.30 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 27.70 C Cross Totals Index: 24.60 C K Index: 23.60 Risk: 20-40 % chance of thunderstorms Sweat Index: 106.00 Risk: None Energy Index: 0.83 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 4.94 J/kg Max Up Vert Vel: 3.14 m/s Conv Inhibition (B-): 4754.05 J/kg Cap Strength: 4.00 C Lift Cond Lev (LCL): 879.94 mb = 1209.79 m = 3969.08 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 332 at 12 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 1018 5 240 3 2.6 1.5 | 166 13 -3.1 12.3 1 1000 154 245 3 2.7 1.3 | 166 12 -2.9 12.1 2 925 807 280 4 3.9 -0.7 | 170 10 -1.7 10.1 3 850 1489 305 5 4.1 -2.9 | 169 8 -1.6 7.9 4 700 3031 315 17 12.0 -12.0 | 281 6 6.4 -1.2 5 500 5570 295 30 27.2 -12.7 | 275 22 21.5 -1.9 6 400 7160 325 35 20.1 -28.7 | 321 23 14.4 -17.9 7 316 8749 345 34 8.8 -32.8 | 352 22 3.1 -22.0 8 300 9090 345 34 8.8 -32.8 | 352 22 3.1 -22.0 9 250 10280 330 41 20.5 -35.5 | 329 29 14.9 -24.7 10 200 11720 310 34 26.0 -21.9 | 298 23 20.4 -11.0 Wind Parameters Mean winds (0-6000m): 302.4 at 16.3 knts Storm direction: 332.4 at 12.2 knts Shear (0-3000m) pos: 2.8 neg: 0.0 tot: 2.8 10-3/s Storm rel Dir Shear (0-3000m): 113.3 deg Storm rel helicity (0-3000m) pos: 17.6 neg: -0.4 tot: 17.2 m^2/s^2 ave: 5.7 10^-3 m/s^2 rel: 0.66 Storm rel vorticity (0-3000m) horiz: 2.9 stream: 1.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.18 Bulk Shear: 27.67 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 ------------------------------------------------------------------------------- 500 252 3 167 12| 1.5 0.0 1.5| 2.1 0.0 2.1 4.2 0.45| 1.5 0.7 1000 267 4 169 11| 1.6 0.0 1.6| 2.9 0.0 2.9 2.9 0.29| 1.7 0.5 1500 279 4 170 10| 1.6 0.0 1.6| 2.9 -0.4 2.5 1.7 0.15| 1.7 0.3 2000 290 5 172 9| 2.2 0.0 2.2| 8.0 -0.4 7.5 3.8 0.42| 2.3 0.9 2500 298 6 177 8| 2.5 0.0 2.5| 12.7 -0.4 12.3 4.9 0.58| 2.6 1.5 3000 305 8 185 7| 2.8 0.0 2.8| 17.6 -0.4 17.2 5.7 0.66| 2.9 1.9 4000 308 10 210 5| 2.1 0.7 2.8| 18.4 -0.8 17.6 4.4 0.50| 2.9 1.4 5000 305 13 240 6| 1.7 1.2 2.9| 18.4 -5.3 13.1 2.6 0.35| 3.0 1.0 6000 302 16 255 8| 1.7 1.3 3.0| 43.8 -10.1 33.8 5.6 0.37| 3.1 1.2 Wrote GIF file: /home/apache/climate/data/raob//LT030/skewt/LT030.skewt.20251213.00.gif