UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122323.upa.cvt Date: 2300Z 23 DEC 25 Searching for LGTS... Searching the city database file for: LGTS ... Date:2300Z 23 DEC 25 Station: LGTS WMO ident: 16622 Latitude: 40.52 Longitude: 22.97 Elevation: 4.00 ------------------------------------------------------------------------------- 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 1018 4 9.0 8.3 95 0.7 8.6 100 2 280.7 281.9 281.0 299.2 6.75 1 1000 150 9.6 9.4 99 0.2 9.5 75 2 282.8 284.0 282.7 303.1 7.41 2 982 301 9.2 7.8 91 1.4 8.5 90 6 283.8 285.0 282.4 302.6 6.77 3 972 385 9.2 7.4 88 1.8 8.2 99 8 284.7 285.8 282.7 303.1 6.65 4 925 794 6.2 6.2 100 0.0 6.2 140 18 285.6 286.8 282.8 303.6 6.43 5 913 901 5.6 5.6 100 0.0 5.6 145 18 286.1 287.2 282.8 303.6 6.25 6 850 1485 3.0 3.0 100 0.0 3.0 175 17 289.3 290.3 283.5 305.2 5.59 7 787 2105 -0.5 -0.5 100 0.0 -0.5 187 21 292.0 292.8 283.6 305.6 4.69 8 738 2616 -4.1 -5.6 89 1.5 -4.7 197 24 293.5 294.1 282.8 303.6 3.41 9 726 2745 -3.3 -4.3 93 1.0 -3.7 199 25 295.7 296.4 284.2 307.1 3.83 10 700 3033 -5.1 -7.1 86 2.0 -5.9 205 27 296.8 297.4 284.0 306.5 3.20 11 693 3112 -5.3 -6.6 91 1.3 -5.8 206 27 297.5 298.1 284.4 307.6 3.36 12 651 3599 -8.9 -11.6 81 2.7 -9.8 211 26 298.8 299.2 283.8 306.2 2.42 13 602 4201 -12.7 -13.2 96 0.5 -12.9 218 26 301.1 301.6 284.7 308.3 2.30 14 549 4898 -17.3 -18.0 94 0.7 -17.5 227 25 303.7 304.0 284.9 309.1 1.69 15 538 5049 -18.9 -19.6 94 0.7 -19.1 228 25 303.6 303.8 284.7 308.4 1.50 16 518 5330 -21.5 -27.5 58 6.0 -22.6 232 24 303.7 303.9 283.9 306.3 0.77 17 512 5415 -21.7 -29.7 48 8.0 -23.1 233 24 304.5 304.6 284.0 306.6 0.64 18 500 5590 -22.3 -28.3 58 6.0 -23.4 235 24 305.9 306.0 284.7 308.3 0.74 19 477 5936 -23.7 -26.0 81 2.3 -24.1 238 25 308.3 308.4 285.8 311.5 0.96 20 463 6154 -25.3 -26.8 87 1.5 -25.6 240 26 308.9 309.1 286.0 312.0 0.92 21 400 7200 -33.7 -38.6 61 4.9 -34.2 250 31 311.2 311.3 286.2 312.4 0.34 22 300 9140 -50.7 -55.7 55 5.0 -50.8 255 40 313.9 313.9 286.8 314.1 0.07 23 264 9964 -55.7 -60.2 57 4.4 -55.8 255 64 318.2 318.2 288.2 318.4 0.04 24 250 10310 -57.9 -62.1 59 4.2 -58.0 260 52 320.0 320.0 288.8 320.1 0.04 25 241 10540 -58.9 -63.5 55 4.6 -59.0 259 52 321.9 321.9 289.3 322.0 0.03 26 231 10804 -61.3 -66.3 51 5.0 -61.4 258 53 322.1 322.1 289.4 322.2 0.02 27 224 10994 -62.9 -67.9 51 5.0 -63.0 258 53 322.5 322.5 289.5 322.6 0.02 28 218 11160 -62.7 -66.7 58 4.0 -62.7 257 54 325.3 325.4 290.4 325.4 0.02 29 200 11690 -63.1 -69.1 44 6.0 -63.1 255 55 332.8 332.8 292.5 332.9 0.02 30 186 12136 -63.3 -71.3 33 8.0 -63.4 339.5 339.5 294.2 339.5 0.01 31 167 12802 -61.3 -70.3 29 9.0 -61.4 353.5 353.5 297.4 353.5 0.02 TRP WND 264 9964 -55.7 -60.2 57 4.4 -55.8 255 64 318.2 318.2 288.2 318.4 0.04 Sounding variables and indices 1000-500 mb thick: 5440.00 m Freezing level: 796.00 mb = 2016.38 m = 6615.33 ft Wetbulb zero: 796.10 mb = 2012.43 m = 6602.39 ft Precipitable water: 0.90 inches Sfc-500 mean rel hum: 90.91 % Est. max temperature: 16.68 C = 62.02 F Sfc-Lift cond lev (LCL): 1007.29 mb = 90.55 m = 297.07 ft T: 9.36 C 700-500 lapse rate: 6.73 C/km ThetaE index: 2.02 C Layer 738.0- 726.0 mb Conv cond level (CCL): 938.40 mb = 675.43 m = 2215.94 ft Mean mixing ratio: 6.74 g/kg Conv temperature: 13.67 C = 56.60 F Cap Strength: 4.07 C Lifted Index: 4.69 C Risk: None Lifted Index @300 mb: 7.93 C Lifted Index @700 mb: 2.73 C Showalter Index: 3.11 C Risk: None Total Totals Index: 50.60 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 25.30 C Cross Totals Index: 25.30 C K Index: 26.30 Risk: 40-60 % chance of thunderstorms Sweat Index: 259.25 Risk: None Energy Index: 0.60 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 17.21 J/kg Max Up Vert Vel: 5.87 m/s Conv Inhibition (B-): 3763.78 J/kg Cap Strength: 4.30 C Lift Cond Lev (LCL): 955.05 mb = 530.50 m = 1740.46 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 235 at 16 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 4 100 2 -2.0 0.3 | 60 18 -15.3 -8.8 1 1000 150 75 2 -1.9 -0.5 | 58 18 -15.2 -9.7 2 925 794 140 18 -11.6 13.8 | 101 25 -24.9 4.6 3 850 1485 175 17 -1.5 16.9 | 118 17 -14.8 7.8 4 700 3033 205 27 11.4 24.5 | 173 15 -1.9 15.3 5 500 5590 235 24 19.7 13.8 | 234 8 6.3 4.6 6 400 7200 250 31 29.1 10.6 | 265 16 15.8 1.4 7 300 9140 255 40 38.6 10.4 | 267 25 25.3 1.2 8 264 9964 255 64 61.8 16.6 | 261 49 48.5 7.4 9 250 10310 260 52 51.2 9.0 | 270 38 37.9 -0.1 10 200 11690 255 55 53.1 14.2 | 263 40 39.8 5.1 Wind Parameters Mean winds (0-6000m): 205.5 at 21.6 knts Storm direction: 235.5 at 16.2 knts Shear (0-3000m) pos: 4.7 neg: 0.0 tot: 4.7 10-3/s Storm rel Dir Shear (0-3000m): 111.7 deg Storm rel helicity (0-3000m) pos: 206.3 neg: -2.4 tot: 203.9 m^2/s^2 ave: 68.0 10^-3 m/s^2 rel: 0.82 Storm rel vorticity (0-3000m) horiz: 7.9 stream: 6.5 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.24 Bulk Shear: 71.00 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 ------------------------------------------------------------------------------- 500 103 5 66 20| 9.1 0.0 9.1| 41.2 -2.4 38.9 77.7 0.64| 10.6 6.8 1000 137 10 86 20| 8.5 0.0 8.5|122.4 -2.4 120.0 120.0 0.80| 12.3 9.8 1500 149 13 95 20| 5.7 0.0 5.7|144.9 -2.4 142.5 95.0 0.74| 10.8 8.0 2000 159 14 103 19| 5.2 0.0 5.2|164.2 -2.4 161.8 80.9 0.77| 9.2 7.1 2500 169 16 111 18| 4.9 0.0 4.9|184.5 -2.4 182.2 72.9 0.80| 8.4 6.7 3000 178 17 121 16| 4.7 0.0 4.7|206.3 -2.4 203.9 68.0 0.82| 7.9 6.5 4000 189 20 135 14| 3.4 0.0 3.4|221.9 -2.4 219.6 54.9 0.82| 6.7 5.4 5000 198 21 147 13| 2.7 0.0 2.7|233.9 -2.4 231.5 46.3 0.82| 5.9 4.8 6000 205 22 159 11| 2.3 0.0 2.3|243.7 -2.4 241.4 40.2 0.82| 5.4 4.4 Wrote GIF file: /home/apache/climate/data/raob//LGTS/skewt/LGTS.skewt.20251223.23.gif