UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120112.upa.cvt Date: 1200Z 1 DEC 25 Searching for LTAM... Searching the city database file for: LTAM ... Date:1200Z 1 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 156 1 925 802 SFC 893 1094 8.8 5.0 77 3.8 6.8 300 1 291.2 292.3 284.9 308.8 6.13 3 850 1499 5.2 1.1 75 4.1 3.2 285 10 291.6 292.5 283.7 305.7 4.87 4 807 1921 2.0 -1.7 76 3.7 0.3 268 11 292.6 293.3 283.3 304.8 4.18 5 744 2573 -1.5 -4.5 80 3.0 -2.8 240 13 295.6 296.3 284.0 306.6 3.68 6 700 3055 -5.5 -7.9 83 2.4 -6.4 220 15 296.4 296.9 283.6 305.5 3.01 7 556 4826 -18.3 -22.7 68 4.4 -19.3 241 35 301.4 301.6 283.4 305.0 1.11 8 542 5016 -19.7 -24.7 64 5.0 -20.7 243 37 302.0 302.1 283.4 305.1 0.95 9 506 5523 -25.3 -31.3 57 6.0 -26.2 249 43 301.2 301.3 282.6 303.0 0.55 10 500 5610 -25.7 -32.7 52 7.0 -26.6 250 44 301.7 301.8 282.7 303.3 0.49 11 445 6445 -32.3 -38.3 55 6.0 -32.9 253 54 303.6 303.7 283.2 304.7 0.31 12 400 7190 -38.1 -45.1 48 7.0 -38.5 255 63 305.5 305.5 283.8 306.1 0.17 13 385 7451 -39.3 -46.3 47 7.0 -39.7 255 67 307.3 307.3 284.5 307.8 0.16 14 314 8833 -42.1 -50.1 41 8.0 -42.5 255 91 321.8 321.8 289.5 322.3 0.12 15 300 9140 -43.5 -51.5 41 8.0 -43.9 255 96 324.0 324.1 290.1 324.5 0.11 16 277 9676 -45.7 -53.7 40 8.0 -46.0 260 91 328.3 328.4 291.3 328.7 0.09 17 250 10360 -46.9 -54.9 40 8.0 -47.2 255 76 336.3 336.4 293.5 336.7 0.09 18 200 11830 -49.1 -57.1 39 8.0 -49.4 245 59 355.0 355.0 297.8 355.4 0.08 19 193 12064 -48.9 -56.9 39 8.0 -49.3 245 57 359.0 359.0 298.6 359.4 0.09 20 165 13082 -53.3 245 48 368.1 21 150 13690 -56.7 245 42 372.4 22 120 15098 -59.5 253 42 391.8 23 100 16230 -63.5 260 42 405.0 24 94 16612 -61.9 260 43 415.4 25 83 17381 -63.3 260 45 427.6 26 70 18430 -63.5 260 48 448.5 27 54 20020 -63.1 264 53 484.0 28 50 20490 -64.7 265 55 491.0 29 45 21139 -62.1 265 57 512.3 30 41 21718 -60.1 265 58 531.2 31 36 22530 -60.3 265 61 550.8 32 30 23660 -63.5 265 64 571.5 33 26 24538 -63.1 268 71 596.5 34 23 25294 -62.0 270 77 621.1 35 20 26160 -60.7 280 74 650.4 36 18 26817 -59.9 672.8 TRP 277 9676 -45.7 -53.7 40 8.0 -46.0 260 91 328.3 328.4 291.3 328.7 0.09 WND 23 25294 -62.0 270 77 621.1 Sounding variables and indices 1000-500 mb thick: 5454.00 m Freezing level: 771.00 mb = 2293.23 m = 7523.64 ft Wetbulb zero: 800.66 mb = 1983.93 m = 6508.88 ft Precipitable water: 0.49 inches Sfc-500 mean rel hum: 74.09 % Est. max temperature: 13.08 C = 55.54 F Sfc-Lift cond lev (LCL): 842.74 mb = 1568.68 m = 5146.52 ft T: 4.67 C 700-500 lapse rate: 7.91 C/km ThetaE index: 4.02 C Layer 850.0- 744.0 mb Conv cond level (CCL): 763.20 mb = 2368.34 m = 7770.06 ft Mean mixing ratio: 4.87 g/kg Conv temperature: 12.13 C = 53.83 F Cap Strength: 1.53 C Lifted Index: -0.82 C Risk: Thunderstorms probable Lifted Index @300 mb: 12.91 C Lifted Index @700 mb: 0.63 C Showalter Index: -0.64 C Risk: Thunderstorms probable Total Totals Index: 57.70 C Risk: Severe Thunderstorms probable Vertical Totals Index: 30.90 C Cross Totals Index: 26.80 C K Index: 29.60 Risk: 40-60 % chance of thunderstorms Sweat Index: 251.20 Risk: None Energy Index: -0.45 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 41.73 J/kg Max Up Vert Vel: 9.14 m/s Conv Inhibition (B-): 77.35 J/kg Cap Strength: 1.53 C Lift Cond Lev (LCL): 794.10 mb = 2049.86 m = 6725.18 ft Lev Free Conv (LFC): 529.10 mb = 5193.98 m = 17040.42 ft Equ Level (EL): 419.10 mb = 6864.14 m = 22519.88 ft B at Equ Level: 41.05 J/kg Max Parcel Lev (MPL): 369.10 mb = 7737.16 m = 25384.06 ft Wind level data Storm motion: 278 at 22 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 ---------------------------------------------------------- 0 893 1094 300 1 0.9 -0.5 | 97 22 -21.4 2.7 1 850 1499 285 10 9.7 -2.6 | 93 13 -12.6 0.6 2 700 3055 220 15 9.6 11.5 | 139 19 -12.6 14.7 3 500 5610 250 44 41.3 15.0 | 226 26 19.1 18.2 4 400 7190 255 63 60.9 16.3 | 243 43 38.6 19.5 5 300 9140 255 96 92.7 24.8 | 248 76 70.5 28.0 6 277 9676 260 91 89.6 15.8 | 254 70 67.3 19.0 7 250 10360 255 76 73.4 19.7 | 246 56 51.1 22.9 8 200 11830 245 59 53.5 24.9 | 228 42 31.2 28.1 9 150 13690 245 42 38.1 17.7 | 217 26 15.8 20.9 10 100 16230 260 42 41.4 7.3 | 241 22 19.1 10.5 11 70 18430 260 48 47.3 8.3 | 245 28 25.0 11.5 12 50 20490 265 55 54.8 4.8 | 256 33 32.5 8.0 13 30 23660 265 64 63.8 5.6 | 258 42 41.5 8.8 14 23 25294 270 77 77.0 -0.0 | 267 55 54.7 3.2 15 20 26160 280 74 72.9 -12.8 | 281 52 50.6 -9.7 Wind Parameters Mean winds (0-6000m): 248.1 at 30.0 knts Storm direction: 278.1 at 22.5 knts Shear (0-3000m) pos: 2.1 neg: 2.6 tot: 4.7 10-3/s Storm rel Dir Shear (0-3000m): 79.7 deg Storm rel helicity (0-3000m) pos: 99.4 neg: -7.4 tot: 92.0 m^2/s^2 ave: 30.7 10^-3 m/s^2 rel: 0.59 Storm rel vorticity (0-3000m) horiz: 6.3 stream: 3.7 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.49 Bulk Shear: 84.29 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 ------------------------------------------------------------------------------- 500 285 6 95 16| 0.0 9.6 9.6| 2.2 -7.4 -5.2 -10.4 -0.08| 10.1 -0.8 1000 275 9 100 14| 0.0 5.7 5.7| 15.3 -7.4 7.9 7.9 0.24| 7.3 1.8 1500 263 10 110 13| 0.0 4.5 4.5| 28.3 -7.4 20.9 13.9 0.38| 6.6 2.5 2000 249 11 121 14| 0.0 3.9 3.9| 37.8 -7.4 30.4 15.2 0.38| 6.2 2.4 2500 241 13 129 15| 1.2 3.1 4.4| 68.0 -7.4 60.6 24.2 0.51| 6.2 3.2 3000 238 14 137 15| 2.1 2.6 4.7| 99.4 -7.4 92.0 30.7 0.59| 6.3 3.7 4000 240 19 156 14| 3.2 2.0 5.2|170.1 -7.4 162.8 40.7 0.69| 6.4 4.4 5000 245 24 179 13| 3.9 1.6 5.4|238.2 -7.4 230.8 46.2 0.70| 6.5 4.5 6000 248 30 201 15| 4.3 1.3 5.6|297.6 -7.4 290.2 48.4 0.67| 6.5 4.3 Wrote GIF file: /home/apache/climate/data/raob//LTAM/skewt/LTAM.skewt.20251201.12.gif