UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120712.upa.cvt Date: 1200Z 7 DEC 25 Searching for LTAM... Searching the city database file for: LTAM ... Date:1200Z 7 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 71 1 925 723 SFC 885 1094 11.6 3.6 58 8.0 7.3 305 1 294.9 295.9 285.8 311.2 5.60 3 850 1428 8.6 0.6 57 8.0 4.6 60 9 295.2 296.0 284.9 309.0 4.70 4 706 2930 -3.3 -10.3 58 7.0 -5.9 223 17 298.1 298.6 283.7 305.7 2.47 5 705 2942 -3.1 -11.1 54 8.0 -6.0 224 17 298.4 298.9 283.6 305.6 2.32 6 700 2998 -3.7 -11.7 54 8.0 -6.5 230 17 298.4 298.8 283.5 305.2 2.23 7 660 3460 -6.3 -13.3 58 7.0 -8.7 228 19 300.5 300.9 284.2 307.0 2.08 8 632 3799 -7.9 -17.9 44 10.0 -10.9 227 20 302.4 302.7 284.2 307.2 1.48 9 625 3885 -7.1 -21.1 32 14.0 -11.0 227 21 304.3 304.5 284.6 308.0 1.14 10 582 4436 -11.7 -25.7 30 14.0 -14.9 225 23 305.2 305.4 284.5 307.9 0.81 11 500 5580 -20.7 -32.7 33 12.0 -22.7 220 28 307.8 307.9 285.1 309.5 0.49 12 465 6113 -24.7 -31.7 52 7.0 -25.8 215 28 309.3 309.4 285.8 311.3 0.58 13 422 6812 -30.7 -41.7 33 11.0 -31.7 209 27 310.3 310.3 285.7 311.1 0.23 14 400 7190 -33.9 -51.9 15 18.0 -35.0 205 27 310.9 310.9 285.8 311.2 0.08 15 397 7243 -34.3 -52.3 14 18.0 -35.3 206 28 311.1 311.1 285.8 311.4 0.08 16 364 7842 -40.1 -50.1 34 10.0 -40.6 212 35 311.2 311.2 285.9 311.6 0.11 17 300 9130 -51.5 -59.5 38 8.0 -51.7 225 52 312.8 312.8 286.4 312.9 0.04 18 297 9195 -52.1 -60.1 38 8.0 -52.2 224 51 312.8 312.8 286.4 313.0 0.04 19 273 9737 -56.5 215 46 314.1 20 267 9878 -55.7 215 46 317.2 21 250 10300 -53.7 215 47 326.2 22 229 10864 -54.9 217 55 332.7 23 201 11698 -56.1 220 67 343.5 24 200 11730 -56.1 220 67 343.9 25 150 13550 -58.5 230 46 369.3 26 124 14739 -61.5 235 41 384.5 27 109 15541 -60.7 238 37 400.5 28 100 16080 -58.7 240 35 414.3 29 97 16271 -59.1 239 35 417.2 30 80 17469 -61.7 234 35 435.4 31 70 18300 -58.7 230 35 458.8 32 69 18391 -58.9 231 35 460.3 33 60 19272 -57.9 246 40 481.3 34 50 20420 -59.1 265 45 504.2 35 48 20675 -60.7 264 47 506.3 36 40 21815 -59.1 261 57 537.4 37 32 23214 -59.5 256 69 571.8 38 30 23620 -57.3 255 73 588.4 39 28 24053 -58.1 255 76 597.9 40 24 25018 -58.5 255 82 623.7 41 20 26160 -58.5 255 90 657.1 42 15 27973 -58.9 261 107 712.1 43 11 29937 -55.9 268 124 789.1 44 10 30550 -52.1 270 130 825.1 45 9.2 31094 -49.1 856.4 46 7.6 32359 -44.9 921.5 47 6.2 33739 -38.7 1003.3 TRP 273 9737 -56.5 215 46 314.1 WND 201 11698 -56.1 220 67 343.5 Sounding variables and indices 1000-500 mb thick: 5509.00 m Freezing level: 745.93 mb = 2513.79 m = 8247.25 ft Wetbulb zero: 786.53 mb = 2056.14 m = 6745.79 ft Precipitable water: 0.40 inches Sfc-500 mean rel hum: 46.33 % Est. max temperature: 14.14 C = 57.46 F Sfc-Lift cond lev (LCL): 783.88 mb = 2083.51 m = 6835.58 ft T: 3.41 C 700-500 lapse rate: 6.58 C/km ThetaE index: 5.99 C Layer 850.0- 660.0 mb Conv cond level (CCL): 716.12 mb = 2815.18 m = 9236.03 ft Mean mixing ratio: 4.49 g/kg Conv temperature: 14.52 C = 58.13 F Cap Strength: 3.49 C Lifted Index: 2.37 C Risk: None Lifted Index @300 mb: 3.03 C Lifted Index @700 mb: 1.03 C Showalter Index: 2.25 C Risk: Showers probable Total Totals Index: 50.60 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 29.30 C Cross Totals Index: 21.30 C K Index: 21.90 Risk: 20-40 % chance of thunderstorms Sweat Index: 85.20 Risk: None Energy Index: 0.13 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 5.92 J/kg Max Up Vert Vel: 3.44 m/s Conv Inhibition (B-): 60159.02 J/kg Cap Strength: 3.36 C Lift Cond Lev (LCL): 740.40 mb = 2545.38 m = 8350.89 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 249 at 15 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 ---------------------------------------------------------- 0 885 1094 305 1 0.8 -0.6 | 66 15 -13.6 -6.1 1 850 1428 60 9 -7.8 -4.5 | 66 24 -22.2 -10.0 2 700 2998 230 17 13.0 10.9 | 166 6 -1.4 5.4 3 500 5580 220 28 18.0 21.4 | 193 16 3.6 15.9 4 400 7190 205 27 11.4 24.5 | 171 19 -3.0 18.9 5 300 9130 225 52 36.8 36.8 | 216 38 22.4 31.2 6 273 9737 215 46 26.4 37.7 | 200 34 12.0 32.1 7 250 10300 215 47 27.0 38.5 | 201 35 12.6 33.0 8 201 11698 220 67 43.1 51.3 | 212 54 28.7 45.8 9 200 11730 220 67 43.1 51.3 | 212 54 28.7 45.8 10 150 13550 230 46 35.2 29.6 | 221 32 20.8 24.0 11 100 16080 240 35 30.3 17.5 | 233 20 15.9 12.0 12 70 18300 230 35 26.8 22.5 | 216 21 12.4 17.0 13 50 20420 265 45 44.8 3.9 | 273 30 30.4 -1.6 14 30 23620 255 73 70.5 18.9 | 257 58 56.1 13.4 15 20 26160 255 90 86.9 23.3 | 256 75 72.5 17.8 16 10 30550 270 130 130.0 -0.0 | 273 116 115.6 -5.5 Wind Parameters Mean winds (0-6000m): 219.0 at 20.6 knts Storm direction: 249.0 at 15.4 knts Shear (0-3000m) pos: 2.9 neg: 0.8 tot: 3.7 10-3/s Storm rel Dir Shear (0-3000m): 120.9 deg Storm rel helicity (0-3000m) pos: 193.8 neg: -12.6 tot: 181.2 m^2/s^2 ave: 60.4 10^-3 m/s^2 rel: 0.61 Storm rel vorticity (0-3000m) horiz: 9.8 stream: 5.9 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.06 Bulk Shear: 93.59 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 62 6 67 22| 10.9 0.0 10.9| 43.9 -12.6 31.3 62.6 0.26| 16.3 4.3 1000 93 9 78 24| 6.9 0.0 6.9|113.6 -12.6 101.0 101.0 0.55| 13.7 7.6 1500 137 10 96 22| 5.3 0.0 5.3|169.2 -12.6 156.6 104.4 0.63| 13.7 8.6 2000 218 12 118 8| 4.4 0.0 4.4|189.3 -12.6 176.8 88.4 0.61| 13.5 8.3 2500 224 13 126 7| 3.5 0.5 4.0|191.7 -12.6 179.1 71.6 0.61| 11.3 6.9 3000 225 14 137 6| 2.9 0.8 3.7|193.8 -12.6 181.2 60.4 0.61| 9.8 5.9 4000 224 17 158 7| 2.2 1.2 3.4|197.0 -12.6 184.4 46.1 0.58| 7.9 4.6 5000 222 19 169 9| 1.8 1.2 3.0|197.7 -22.2 175.6 35.1 0.51| 6.8 3.5 6000 219 21 172 11| 1.5 1.1 2.6|197.7 -41.7 156.0 26.0 0.42| 6.1 2.5 Wrote GIF file: /home/apache/climate/data/raob//LTAM/skewt/LTAM.skewt.20251207.12.gif