UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025123012.upa.cvt Date: 1200Z 30 DEC 25 Searching for LT220... Searching the city database file for: LT220 ... Date:1200Z 30 DEC 25 Station: LT220 WMO ident: 17220 Latitude: 38.43 Longitude: 27.17 ------------------------------------------------------------------------------- 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 1009 19 12.4 1.4 47 11.0 7.1 145 13 284.8 285.5 279.8 296.7 4.19 1 1000 94 11.4 2.4 54 9.0 7.0 165 17 284.5 285.3 280.1 297.4 4.54 2 962 419 9.4 3.4 66 6.0 6.4 192 23 285.7 286.6 281.3 300.0 5.08 3 925 747 9.2 4.2 71 5.0 6.6 220 30 288.7 289.7 283.2 304.6 5.59 4 910 882 9.8 3.8 66 6.0 6.7 223 31 290.7 291.7 284.0 306.5 5.52 5 888 1084 8.4 1.4 61 7.0 4.9 227 32 291.3 292.1 283.4 305.1 4.77 6 850 1442 5.2 0.4 71 4.8 2.9 235 35 291.6 292.4 283.4 305.0 4.63 7 744 2515 -2.5 -7.5 68 5.0 -4.4 221 29 294.5 295.1 282.7 303.3 2.92 8 741 2547 -2.5 -9.5 59 7.0 -5.1 221 29 294.9 295.3 282.4 302.4 2.51 9 721 2765 -2.1 -20.1 24 18.0 -7.2 218 27 297.6 297.8 281.8 301.0 1.07 10 718 2798 -2.3 -20.3 24 18.0 -7.4 218 27 297.8 298.0 281.8 301.1 1.06 11 715 2831 -2.7 -21.7 22 19.0 -7.9 217 27 297.7 297.9 281.6 300.7 0.94 12 700 2999 -3.9 -20.9 25 17.0 -8.6 215 26 298.2 298.4 282.0 301.5 1.03 13 531 5124 -19.5 -30.5 37 11.0 -21.4 231 38 304.0 304.1 283.8 305.9 0.57 14 515 5352 -21.5 -32.5 36 11.0 -23.2 233 40 304.2 304.3 283.7 305.9 0.48 15 500 5570 -22.7 -35.7 30 13.0 -24.5 235 41 305.4 305.4 284.0 306.6 0.36 16 476 5928 -25.1 -43.1 17 18.0 -26.9 238 42 306.7 306.8 284.3 307.4 0.18 17 433 6606 -31.5 -43.5 30 12.0 -32.5 245 44 307.0 307.0 284.4 307.7 0.19 18 400 7160 -36.7 -44.7 43 8.0 -37.2 250 45 307.3 307.3 284.5 307.9 0.18 19 386 7407 -37.7 -48.7 31 11.0 -38.3 251 52 309.1 309.1 285.1 309.6 0.12 20 383 7461 -37.7 -49.7 27 12.0 -38.4 251 54 309.8 309.8 285.4 310.2 0.11 21 328 8521 -42.5 -60.5 12 18.0 -43.1 253 85 317.3 317.3 287.9 317.4 0.03 22 300 9120 -46.5 255 103 319.8 23 250 10310 -55.7 255 101 323.3 24 247 10387 -56.1 255 102 323.8 25 230 10836 -58.1 255 109 327.5 26 212 11346 -60.3 255 97 331.7 27 209 11434 -60.1 255 95 333.4 28 200 11710 -57.3 255 89 342.0 29 185 12204 -58.1 258 85 348.4 30 150 13530 -57.7 265 75 370.7 31 139 14010 -58.9 265 74 376.7 32 123 14778 -58.9 265 73 390.1 33 100 16080 -58.5 265 70 414.7 34 85 17105 -58.5 265 61 434.4 35 70 18320 -61.9 265 50 452.0 36 64 18877 -60.9 264 48 465.9 37 55 19825 -59.1 261 46 490.6 38 50 20420 -61.3 260 44 499.0 39 45 21074 -60.5 262 42 516.2 40 41 21656 -58.7 264 39 534.7 41 34 22827 -59.9 268 35 560.9 42 30 23610 -58.7 270 32 584.6 43 29 23825 -57.3 268 34 594.2 44 22 25571 -59.3 251 46 637.1 45 20 26170 -59.1 245 50 655.3 46 14 28435 -56.5 248 69 734.5 47 12 29422 -55.1 249 77 772.5 48 10 30590 -55.7 250 86 811.6 49 9.2 31124 -52.9 841.9 50 7.9 32109 -52.3 881.8 51 6.5 33369 -52.9 929.9 52 6.2 33676 -49.9 955.4 TRP 247 10387 -56.1 255 102 323.8 WND 230 10836 -58.1 255 109 327.5 Sounding variables and indices 1000-500 mb thick: 5476.00 m Freezing level: 778.42 mb = 2166.71 m = 7108.53 ft Wetbulb zero: 808.16 mb = 1848.66 m = 6065.08 ft Precipitable water: 0.57 inches Sfc-500 mean rel hum: 47.18 % Est. max temperature: 19.12 C = 66.41 F Sfc-Lift cond lev (LCL): 853.84 mb = 1405.08 m = 4609.80 ft T: 5.53 C 700-500 lapse rate: 7.31 C/km ThetaE index: 5.50 C Layer 888.0- 718.0 mb Conv cond level (CCL): 784.79 mb = 2085.14 m = 6840.93 ft Mean mixing ratio: 5.09 g/kg Conv temperature: 20.98 C = 69.77 F Cap Strength: 5.18 C Lifted Index: 5.52 C Risk: None Lifted Index @300 mb: 13.42 C Lifted Index @700 mb: 4.93 C Showalter Index: 2.83 C Risk: Showers probable Total Totals Index: 51.00 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 27.90 C Cross Totals Index: 23.10 C K Index: 11.30 Risk: None Sweat Index: 155.80 Risk: None Energy Index: 0.38 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 22.08 J/kg Max Up Vert Vel: 6.65 m/s Conv Inhibition (B-): 76555.44 J/kg Cap Strength: 5.26 C Lift Cond Lev (LCL): 866.23 mb = 1287.23 m = 4223.16 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 256 at 24 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 1009 19 145 13 -7.5 10.6 | 99 31 -30.7 4.9 1 1000 94 165 17 -4.4 16.4 | 111 30 -27.7 10.6 2 925 747 220 30 19.3 23.0 | 167 18 -4.0 17.2 3 850 1442 235 35 28.7 20.1 | 201 15 5.4 14.3 4 700 2999 215 26 14.9 21.3 | 152 18 -8.4 15.5 5 500 5570 235 41 33.6 23.5 | 210 21 10.3 17.7 6 400 7160 250 45 42.3 15.4 | 243 21 19.0 9.6 7 300 9120 255 103 99.5 26.7 | 255 79 76.2 20.9 8 250 10310 255 101 97.6 26.1 | 255 77 74.3 20.4 9 247 10387 255 102 98.5 26.4 | 255 78 75.2 20.6 10 230 10836 255 109 105.3 28.2 | 255 85 82.0 22.4 11 200 11710 255 89 86.0 23.0 | 255 65 62.7 17.3 12 150 13530 265 75 74.7 6.5 | 269 51 51.4 0.8 13 100 16080 265 70 69.7 6.1 | 270 46 46.4 0.3 14 70 18320 265 50 49.8 4.4 | 273 27 26.5 -1.4 15 50 20420 260 44 43.3 7.6 | 265 20 20.0 1.9 16 30 23610 270 32 32.0 -0.0 | 304 10 8.7 -5.8 17 20 26170 245 50 45.3 21.1 | 235 27 22.0 15.4 18 10 30590 250 86 80.8 29.4 | 248 62 57.5 23.6 Wind Parameters Mean winds (0-6000m): 226.1 at 32.0 knts Storm direction: 256.1 at 24.0 knts Shear (0-3000m) pos: 6.3 neg: 2.2 tot: 8.5 10-3/s Storm rel Dir Shear (0-3000m): 53.1 deg Storm rel helicity (0-3000m) pos: 237.7 neg: -56.0 tot: 181.7 m^2/s^2 ave: 60.6 10^-3 m/s^2 rel: 0.46 Storm rel vorticity (0-3000m) horiz: 9.5 stream: 4.4 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 0.34 Bulk Shear: 64.03 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 ------------------------------------------------------------------------------- 500 183 20 123 26| 21.7 0.0 21.7|150.7 0.0 150.7 301.4 0.92| 22.9 21.2 1000 207 25 144 20| 16.7 0.0 16.7|214.0 0.0 214.0 214.0 0.91| 18.7 17.0 1500 217 28 159 18| 12.6 0.0 12.6|237.7 -1.7 236.0 157.4 0.90| 14.6 13.1 2000 221 29 166 17| 9.4 1.2 10.6|237.7 -20.7 217.0 108.5 0.71| 12.2 8.6 2500 222 29 168 16| 7.6 1.9 9.4|237.7 -39.2 198.5 79.4 0.56| 10.6 6.0 3000 222 29 166 16| 6.3 2.2 8.5|237.7 -56.0 181.7 60.6 0.46| 9.5 4.4 4000 221 29 166 17| 5.6 1.7 7.3|270.4 -56.0 214.4 53.6 0.52| 8.1 4.2 5000 223 30 171 17| 5.3 1.3 6.6|306.0 -56.0 250.0 50.0 0.57| 7.2 4.1 6000 226 32 179 16| 4.9 1.1 6.0|345.3 -56.0 289.3 48.2 0.61| 6.7 4.1 Wrote GIF file: /home/apache/climate/data/raob//LT220/skewt/LT220.skewt.20251230.12.gif