UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026010912.upa.cvt Date: 1200Z 9 JAN 26 Searching for LTAM... Searching the city database file for: LTAM ... Date:1200Z 9 JAN 26 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 82 1 925 710 SFC 882 1094 1.2 -0.7 87 1.9 0.4 225 4 284.4 285.1 279.6 296.0 4.12 3 850 1389 -1.1 -3.3 85 2.2 -2.0 285 16 285.0 285.6 279.1 295.0 3.52 4 777 2101 -5.3 -6.6 91 1.3 -5.8 248 15 287.9 288.4 279.8 296.6 3.00 5 700 2915 -10.1 -12.1 85 2.0 -10.7 205 13 291.3 291.7 280.3 297.8 2.16 6 539 4884 -23.1 -26.3 75 3.2 -23.7 224 47 298.4 298.5 281.8 301.1 0.83 7 500 5430 -28.1 -32.7 65 4.6 -28.7 230 57 298.8 298.9 281.5 300.4 0.49 8 486 5634 -28.5 -32.8 66 4.3 -29.0 229 57 300.7 300.8 282.3 302.4 0.50 9 400 7000 -40.1 -44.3 64 4.2 -40.4 225 56 302.9 302.9 282.8 303.5 0.19 10 380 7350 -42.4 -46.9 61 4.5 -42.6 230 62 304.3 304.4 283.3 304.9 0.15 11 374 7458 -43.1 -47.7 60 4.6 -43.3 235 59 304.8 304.8 283.5 305.3 0.14 12 373 7476 -43.1 -47.7 60 4.6 -43.3 235 59 305.0 305.0 283.6 305.5 0.14 13 350 7906 -44.5 -49.5 57 5.0 -44.7 243 51 308.7 308.7 285.0 309.2 0.12 14 300 8940 -45.5 -51.5 51 6.0 -45.7 260 34 321.2 321.2 289.2 321.7 0.11 15 250 10160 -46.1 -53.1 45 7.0 -46.4 250 46 337.5 337.6 293.8 338.0 0.11 16 200 11640 -47.3 -55.3 39 8.0 -47.7 260 42 357.9 357.9 298.4 358.3 0.11 17 160 13108 -49.3 -63.3 18 14.0 -49.8 260 45 378.1 378.1 302.0 378.3 0.05 18 150 13530 -50.1 260 46 383.7 19 136 14171 -51.5 256 44 392.2 20 100 16150 -57.1 245 39 417.4 21 87 17027 -59.1 247 37 430.3 22 70 18380 -62.3 250 34 451.1 23 64 18937 -60.3 241 28 467.2 24 50 20460 -65.3 215 12 489.6 25 48 20711 -64.3 217 12 497.7 26 46 20974 -62.3 220 12 508.7 27 42 21545 -58.1 225 12 532.5 28 30 23670 -59.3 245 12 583.0 29 25 24812 -61.1 256 23 609.0 30 23 25339 -55.1 261 28 641.4 31 20 26240 -52.3 270 37 676.1 32 19 26573 -50.3 273 37 692.3 33 12 29585 -48.1 299 41 797.3 34 10 30790 -46.5 310 42 846.0 35 8.6 31796 -44.5 891.1 36 7.2 32999 -39.5 958.0 37 5.7 34592 -41.1 1017.2 38 5.2 35217 -40.3 1047.9 TRP 374 7458 -43.1 -47.7 60 4.6 -43.3 235 59 304.8 304.8 283.5 305.3 0.14 WND 380 7350 -42.4 -46.9 61 4.5 -42.6 230 62 304.3 304.4 283.3 304.9 0.15 Sounding variables and indices 1000-500 mb thick: 5348.00 m Freezing level: 865.30 mb = 1247.91 m = 4094.15 ft Wetbulb zero: 876.99 mb = 1139.45 m = 3738.30 ft Precipitable water: 0.36 inches Sfc-500 mean rel hum: 81.79 % Est. max temperature: 6.47 C = 43.65 F Sfc-Lift cond lev (LCL): 856.23 mb = 1330.72 m = 4365.83 ft T: -0.65 C 700-500 lapse rate: 7.16 C/km ThetaE index: 0.98 C Layer 850.0- 777.0 mb Conv cond level (CCL): 788.41 mb = 1985.65 m = 6514.51 ft Mean mixing ratio: 3.44 g/kg Conv temperature: 4.14 C = 39.45 F Cap Strength: 4.24 C Lifted Index: 3.93 C Risk: None Lifted Index @300 mb: 18.17 C Lifted Index @700 mb: 1.89 C Showalter Index: 4.40 C Risk: None Total Totals Index: 51.80 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 27.00 C Cross Totals Index: 24.80 C K Index: 21.70 Risk: 20-40 % chance of thunderstorms Sweat Index: 145.00 Risk: None Energy Index: 1.13 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 11.74 J/kg Max Up Vert Vel: 4.85 m/s Conv Inhibition (B-): 79028.09 J/kg Cap Strength: 4.24 C Lift Cond Lev (LCL): 807.10 mb = 1799.79 m = 5904.74 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 259 at 26 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 ---------------------------------------------------------- 0 882 1094 225 4 2.8 2.8 | 84 23 -23.1 -2.3 1 850 1389 285 16 15.5 -4.1 | 49 14 -10.5 -9.3 2 700 2915 205 13 5.5 11.8 | 108 21 -20.4 6.7 3 500 5430 230 57 43.7 36.6 | 209 36 17.7 31.5 4 400 7000 225 56 39.6 39.6 | 202 37 13.7 34.5 5 380 7350 230 62 47.5 39.9 | 212 41 21.6 34.7 6 374 7458 235 59 48.3 33.8 | 218 36 22.4 28.7 7 300 8940 260 34 33.5 5.9 | 264 8 7.6 0.8 8 250 10160 250 46 43.2 15.7 | 238 20 17.3 10.6 9 200 11640 260 42 41.4 7.3 | 262 16 15.4 2.2 10 150 13530 260 46 45.3 8.0 | 262 20 19.4 2.9 11 100 16150 245 39 35.3 16.5 | 220 15 9.4 11.4 12 70 18380 250 34 31.9 11.6 | 223 9 6.0 6.5 13 50 20460 215 12 6.9 9.8 | 104 20 -19.0 4.7 14 30 23670 245 12 10.9 5.1 | 90 15 -15.0 -0.0 15 20 26240 270 37 37.0 -0.0 | 295 12 11.1 -5.1 16 10 30790 310 42 32.2 -27.0 | 349 33 6.2 -32.1 Wind Parameters Mean winds (0-6000m): 228.8 at 35.2 knts Storm direction: 258.8 at 26.4 knts Shear (0-3000m) pos: 4.6 neg: 3.0 tot: 7.6 10-3/s Storm rel Dir Shear (0-3000m): 80.7 deg Storm rel helicity (0-3000m) pos: 160.7 neg: -36.2 tot: 124.5 m^2/s^2 ave: 41.5 10^-3 m/s^2 rel: 0.43 Storm rel vorticity (0-3000m) horiz: 9.8 stream: 4.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.11 Bulk Shear: 107.90 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 ------------------------------------------------------------------------------- 500 277 12 64 15| 13.7 0.0 13.7| 8.3 -36.2 -27.9 -55.8 -0.37| 19.4 -7.2 1000 269 14 68 13| 6.9 3.6 10.4| 28.9 -36.2 -7.3 -7.3 -0.01| 13.3 -0.2 1500 259 14 79 13| 4.6 4.5 9.0| 43.0 -36.2 6.8 4.5 0.11| 11.1 1.2 2000 248 14 90 13| 3.4 4.5 8.0| 62.5 -36.2 26.2 13.1 0.18| 10.1 1.8 2500 237 15 103 14| 3.9 3.6 7.5|110.7 -36.2 74.5 29.8 0.33| 9.9 3.3 3000 230 17 116 14| 4.6 3.0 7.6|160.7 -36.2 124.5 41.5 0.43| 9.8 4.2 4000 229 24 143 13| 5.9 2.3 8.2|277.0 -36.2 240.7 60.2 0.54| 9.8 5.3 5000 230 30 170 15| 5.4 2.0 7.3|322.0 -54.5 267.5 53.5 0.52| 8.7 4.6 6000 229 35 182 18| 4.6 1.8 6.3|340.2 -82.0 258.2 43.0 0.48| 7.7 3.7 Wrote GIF file: /home/apache/climate/data/raob//LTAM/skewt/LTAM.skewt.20260109.12.gif