UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120812.upa.cvt Date: 1200Z 8 DEC 25 Searching for LTAM... Searching the city database file for: LTAM ... Date:1200Z 8 DEC 25 Station: LTAM WMO ident: 17196 Latitude: 38.68 Longitude: 35.50 Elevation: 1094.00 ------------------------------------------------------------------------------- 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 126 1 925 775 SFC 890 1094 10.6 4.6 66 6.0 7.4 110 1 293.4 294.4 285.5 310.7 5.98 3 850 1477 7.2 1.2 66 6.0 4.2 10 9 293.7 294.6 284.6 308.0 4.91 4 762 2367 0.6 -3.1 76 3.7 -1.0 106 11 295.9 296.6 284.5 307.7 3.99 5 700 3044 -4.1 -6.7 82 2.6 -5.1 180 13 297.9 298.5 284.5 307.9 3.30 6 672 3366 -5.5 -10.4 68 4.9 -7.3 184 13 299.9 300.3 284.5 307.8 2.58 7 669 3401 -5.5 -10.5 68 5.0 -7.3 184 14 300.3 300.7 284.6 308.2 2.57 8 604 4197 -10.1 -20.1 44 10.0 -12.8 193 15 303.9 304.1 284.5 308.0 1.28 9 563 4737 -13.3 -26.3 33 13.0 -16.2 199 16 306.3 306.4 284.9 308.9 0.79 10 523 5294 -17.7 -31.7 28 14.0 -20.2 206 16 307.5 307.6 285.0 309.2 0.51 11 500 5630 -20.1 -43.1 11 23.0 -22.8 210 17 308.5 308.6 285.0 309.1 0.17 12 496 5689 -20.7 -46.7 8 26.0 -23.5 210 17 308.5 308.5 284.9 308.9 0.12 13 456 6304 -25.5 -38.5 29 13.0 -27.1 214 22 310.0 310.1 285.7 311.1 0.30 14 400 7240 -32.7 -37.7 61 5.0 -33.2 220 29 312.5 312.6 286.6 313.8 0.37 15 362 7936 -38.5 -44.5 53 6.0 -38.9 220 32 313.8 313.8 286.9 314.5 0.20 16 310 8984 -47.7 -54.7 44 7.0 -47.9 220 38 315.2 315.2 287.2 315.4 0.07 17 300 9200 -49.5 -56.5 44 7.0 -49.7 220 39 315.6 315.6 287.3 315.8 0.06 18 250 10360 -59.9 210 41 317.0 19 236 10720 -62.1 220 38 319.0 20 213 11350 -65.9 226 34 322.5 21 200 11740 -59.1 230 32 339.2 22 192 11997 -58.3 231 32 344.4 23 178 12474 -58.5 234 33 351.7 24 150 13550 -59.3 240 35 367.9 25 100 16090 -60.3 265 39 411.2 26 93 16542 -58.7 264 39 423.0 27 75 17889 -58.9 261 40 449.4 28 70 18320 -59.5 260 40 457.1 29 60 19291 -57.9 258 44 481.3 30 50 20430 -62.5 255 49 496.2 31 46 20948 -61.5 257 50 510.6 32 32 23207 -60.9 268 56 568.0 33 30 23610 -60.3 270 57 580.3 34 24 25021 -57.5 262 68 626.6 35 20 26180 -57.1 255 77 661.4 36 19 26504 -57.5 669.9 37 15 28002 -56.3 720.8 38 13 28916 -53.7 759.9 39 10 30609 -51.9 265 120 825.8 40 10 30609 -51.9 825.8 TRP 236 10720 -62.1 220 38 319.0 WND 10 30609 -51.9 265 120 825.8 Sounding variables and indices 1000-500 mb thick: 5504.00 m Freezing level: 754.09 mb = 2453.51 m = 8049.47 ft Wetbulb zero: 779.27 mb = 2184.57 m = 7167.15 ft Precipitable water: 0.47 inches Sfc-500 mean rel hum: 56.18 % Est. max temperature: 13.73 C = 56.71 F Sfc-Lift cond lev (LCL): 812.48 mb = 1844.67 m = 6051.98 ft T: 4.47 C 700-500 lapse rate: 6.19 C/km ThetaE index: 2.95 C Layer 850.0- 700.0 mb Conv cond level (CCL): 745.89 mb = 2537.48 m = 8324.97 ft Mean mixing ratio: 4.92 g/kg Conv temperature: 13.54 C = 56.38 F Cap Strength: 3.15 C Lifted Index: 3.20 C Risk: None Lifted Index @300 mb: 5.27 C Lifted Index @700 mb: 0.77 C Showalter Index: 3.46 C Risk: None Total Totals Index: 48.60 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 27.30 C Cross Totals Index: 21.30 C K Index: 25.90 Risk: 40-60 % chance of thunderstorms Sweat Index: 49.40 Risk: None Energy Index: 0.29 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 7.11 J/kg Max Up Vert Vel: 3.77 m/s Conv Inhibition (B-): 58104.01 J/kg Cap Strength: 3.16 C Lift Cond Lev (LCL): 771.23 mb = 2269.08 m = 7444.39 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 234 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 ---------------------------------------------------------- 0 890 1094 110 1 -0.9 0.3 | 58 12 -10.3 -6.4 1 850 1477 10 9 -1.6 -8.9 | 35 19 -10.9 -15.6 2 700 3044 180 13 0.0 13.0 | 124 11 -9.3 6.3 3 500 5630 210 17 8.5 14.7 | 174 8 -0.8 8.0 4 400 7240 220 29 18.6 22.2 | 211 18 9.3 15.5 5 300 9200 220 39 25.1 29.9 | 214 28 15.7 23.2 6 250 10360 210 41 20.5 35.5 | 201 31 11.2 28.8 7 236 10720 220 38 24.4 29.1 | 214 27 15.1 22.4 8 200 11740 230 32 24.5 20.6 | 228 21 15.2 13.9 9 150 13550 240 35 30.3 17.5 | 243 24 21.0 10.8 10 100 16090 265 39 38.9 3.4 | 276 30 29.5 -3.3 11 70 18320 260 40 39.4 6.9 | 270 30 30.1 0.2 12 50 20430 255 49 47.3 12.7 | 261 38 38.0 6.0 13 30 23610 270 57 57.0 -0.0 | 278 48 47.7 -6.7 14 20 26180 255 77 74.4 19.9 | 259 66 65.0 13.2 Wind Parameters Mean winds (0-6000m): 204.3 at 15.3 knts Storm direction: 234.3 at 11.5 knts Shear (0-3000m) pos: 4.1 neg: 1.6 tot: 5.7 10-3/s Storm rel Dir Shear (0-3000m): 82.3 deg Storm rel helicity (0-3000m) pos: 155.7 neg: -35.4 tot: 120.4 m^2/s^2 ave: 40.1 10^-3 m/s^2 rel: 0.52 Storm rel vorticity (0-3000m) horiz: 8.2 stream: 4.2 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.12 Bulk Shear: 59.59 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 16 6 42 17| 0.0 9.6 9.6| 9.7 -35.4 -25.6 -51.3 -0.41| 13.9 -5.7 1000 39 8 48 19| 4.7 4.8 9.5| 61.5 -35.4 26.2 26.2 0.16| 11.8 1.9 1500 71 9 61 20| 5.9 3.2 9.1|115.6 -35.4 80.3 53.5 0.41| 11.6 4.7 2000 143 10 95 15| 5.7 2.4 8.0|147.7 -35.4 112.3 56.2 0.49| 11.4 5.6 2500 171 11 109 12| 4.7 1.9 6.6|151.7 -35.4 116.4 46.5 0.50| 9.5 4.8 3000 179 11 115 10| 4.1 1.6 5.7|155.7 -35.4 120.4 40.1 0.52| 8.2 4.2 4000 189 12 126 9| 3.3 1.2 4.5|163.6 -35.4 128.2 32.1 0.55| 6.6 3.6 5000 197 13 139 8| 3.1 1.0 4.0|173.9 -35.4 138.5 27.7 0.57| 5.8 3.3 6000 204 15 157 8| 3.2 0.8 4.0|190.3 -35.4 155.0 25.8 0.57| 5.5 3.2 Wrote GIF file: /home/apache/climate/data/raob//LTAM/skewt/LTAM.skewt.20251208.12.gif