UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042000.upa.cvt Date: 0000Z 20 APR 25 Searching for LTAM... Searching the city database file for: LTAM ... Date:0000Z 20 APR 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 116 1 925 757 SFC 888 1094 6.6 5.4 92 1.2 5.9 0 0 289.4 290.5 284.4 307.4 6.34 3 862 1339 9.2 5.5 78 3.7 7.2 275 5 294.6 295.8 286.6 313.7 6.58 4 850 1455 10.6 2.6 58 8.0 6.4 235 7 297.3 298.2 286.5 313.3 5.43 5 831 1644 11.6 -2.4 38 14.0 4.8 235 8 300.2 300.9 286.0 311.9 3.85 6 821 1745 11.4 -2.6 37 14.0 4.6 235 9 301.1 301.8 286.3 312.7 3.84 7 807 1889 11.4 -4.6 32 16.0 3.9 235 10 302.5 303.2 286.4 312.9 3.36 8 779 2183 10.4 -6.6 30 17.0 2.7 235 12 304.5 305.1 286.7 313.9 2.99 9 700 3061 2.6 -8.4 44 11.0 -2.0 235 19 305.4 305.9 286.9 314.4 2.90 10 640 3776 -3.7 -15.7 39 12.0 -7.7 242 26 306.1 306.5 285.9 311.8 1.76 11 633 3863 -3.7 -22.7 21 19.0 -9.1 242 27 307.1 307.3 285.4 310.3 0.97 12 580 4550 -6.5 -48.5 2 42.0 -12.8 249 34 311.6 311.6 286.0 311.9 0.08 13 572 4658 -6.9 -47.9 2 41.0 -13.2 250 35 312.4 312.4 286.3 312.7 0.09 14 500 5690 -15.7 -40.7 10 25.0 -19.4 260 46 313.9 313.9 287.0 314.7 0.22 15 405 7250 -27.3 -48.3 12 21.0 -29.2 265 54 318.4 318.4 288.3 318.8 0.12 16 400 7340 -27.9 -45.9 16 18.0 -29.6 265 54 318.7 318.8 288.5 319.3 0.16 17 394 7448 -28.9 -41.9 27 13.0 -30.3 265 54 318.8 318.9 288.6 319.7 0.24 18 361 8068 -33.5 -40.5 49 7.0 -34.2 265 56 320.7 320.8 289.3 321.9 0.31 19 300 9340 -43.7 -47.8 64 4.1 -43.9 265 61 323.8 323.8 290.1 324.4 0.17 20 271 10015 -48.7 -53.7 56 5.0 -48.9 269 63 326.1 326.1 290.7 326.4 0.09 21 266 10137 -49.7 -54.9 54 5.2 -49.9 270 63 326.3 326.3 290.7 326.6 0.08 22 250 10540 -53.1 -59.1 48 6.0 -53.2 270 58 327.1 327.1 291.0 327.3 0.05 23 248 10592 -53.5 -59.5 48 6.0 -53.7 270 58 327.3 327.3 291.0 327.5 0.05 24 240 10802 -53.1 -60.1 42 7.0 -53.2 272 55 331.0 331.0 292.0 331.2 0.05 25 200 11980 -51.5 280 40 351.2 26 184 12521 -52.9 279 43 357.4 27 166 13187 -52.9 277 46 368.1 28 150 13840 -54.9 275 50 375.5 29 118 15360 -59.5 272 35 393.7 30 100 16390 -62.3 270 25 407.4 31 93 16837 -61.7 274 24 417.1 32 70 18580 -64.5 290 19 446.4 33 66 18942 -63.5 300 17 456.1 34 50 20650 -64.3 345 8 492.0 35 44 21440 -62.7 1 10 514.2 36 30 23830 -59.5 50 15 582.4 37 20 26380 -56.1 90 22 664.5 38 16 27803 -53.5 59 19 716.7 39 13 29146 -50.3 31 17 771.7 40 10 30860 -49.1 355 14 836.3 41 9.8 30993 -48.1 844.9 42 9.7 31061 -47.7 848.9 TRP 248 10592 -53.5 -59.5 48 6.0 -53.7 270 58 327.3 327.3 291.0 327.5 0.05 WND 266 10137 -49.7 -54.9 54 5.2 -49.9 270 63 326.3 326.3 290.7 326.6 0.08 Sounding variables and indices 1000-500 mb thick: 5574.00 m Freezing level: 675.24 mb = 3356.28 m = 11011.30 ft Wetbulb zero: 733.81 mb = 2673.78 m = 8772.13 ft Precipitable water: 0.39 inches Sfc-500 mean rel hum: 28.77 % Est. max temperature: 21.65 C = 70.97 F Sfc-Lift cond lev (LCL): 871.78 mb = 1245.78 m = 4087.17 ft T: 8.21 C 700-500 lapse rate: 6.96 C/km ThetaE index: 1.79 C Layer 850.0- 821.0 mb Conv cond level (CCL): 646.21 mb = 3699.38 m = 12136.94 ft Mean mixing ratio: 4.74 g/kg Conv temperature: 22.68 C = 72.83 F Cap Strength: 6.44 C Lifted Index: 5.14 C Risk: None Lifted Index @300 mb: 8.37 C Lifted Index @700 mb: 5.57 C Showalter Index: 4.55 C Risk: None Total Totals Index: 44.60 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 26.30 C Cross Totals Index: 18.30 C K Index: 17.90 Risk: < 20 % chance of thunderstorms Sweat Index: 91.20 Risk: None Energy Index: 0.44 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 60.48 J/kg Max Up Vert Vel: 11.00 m/s Conv Inhibition (B-): 60238.53 J/kg Cap Strength: 6.40 C Lift Cond Lev (LCL): 720.67 mb = 2822.12 m = 9258.80 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 285 at 23 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 ---------------------------------------------------------- 0 888 1094 0 0 -0.0 -0.0 | 105 23 -21.8 5.7 1 850 1455 235 7 5.7 4.0 | 121 19 -16.0 9.7 2 700 3061 235 19 15.6 10.9 | 159 18 -6.2 16.6 3 500 5690 260 46 45.3 8.0 | 240 27 23.5 13.6 4 400 7340 265 54 53.8 4.7 | 252 34 32.0 10.4 5 300 9340 265 61 60.8 5.3 | 254 41 39.0 11.0 6 266 10137 270 63 63.0 -0.0 | 262 42 41.2 5.7 7 250 10540 270 58 58.0 -0.0 | 261 37 36.2 5.7 8 248 10592 270 58 58.0 -0.0 | 261 37 36.2 5.7 9 200 11980 280 40 39.4 -6.9 | 274 18 17.6 -1.3 10 150 13840 275 50 49.8 -4.4 | 267 28 28.0 1.3 11 100 16390 270 25 25.0 -0.0 | 210 7 3.2 5.7 12 70 18580 290 19 17.9 -6.5 | 78 4 -3.9 -0.8 13 50 20650 345 8 2.1 -7.7 | 84 20 -19.7 -2.1 14 30 23830 50 15 -11.5 -9.6 | 83 34 -33.3 -4.0 15 20 26380 90 22 -22.0 0.0 | 97 44 -43.8 5.7 16 10 30860 355 14 1.2 -13.9 | 68 22 -20.6 -8.3 Wind Parameters Mean winds (0-6000m): 254.6 at 30.0 knts Storm direction: 284.6 at 22.5 knts Shear (0-3000m) pos: 2.5 neg: 2.7 tot: 5.2 10-3/s Storm rel Dir Shear (0-3000m): 90.8 deg Storm rel helicity (0-3000m) pos: 138.9 neg: -7.5 tot: 131.3 m^2/s^2 ave: 43.8 10^-3 m/s^2 rel: 0.83 Storm rel vorticity (0-3000m) horiz: 5.8 stream: 4.8 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 0.69 Bulk Shear: 87.81 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 ------------------------------------------------------------------------------- 500 235 5 115 20| 0.0 8.3 8.3| 35.4 -7.5 27.9 55.7 0.53| 11.8 6.2 1000 235 7 122 19| 0.0 6.1 6.1| 52.3 -7.5 44.8 44.8 0.63| 7.8 4.9 1500 235 9 128 18| 0.0 5.3 5.3| 69.3 -7.5 61.7 41.2 0.70| 6.5 4.6 2000 235 11 134 17| 1.0 4.0 5.0| 86.7 -7.5 79.2 39.6 0.75| 5.9 4.4 2500 236 13 141 17| 1.9 3.2 5.1|112.2 -7.5 104.7 41.9 0.80| 5.8 4.6 3000 238 16 148 16| 2.5 2.7 5.2|138.9 -7.5 131.3 43.8 0.83| 5.8 4.8 4000 245 21 168 15| 3.3 2.0 5.3|199.1 -7.5 191.6 47.9 0.85| 5.9 5.0 5000 251 26 190 14| 3.6 1.6 5.2|253.5 -7.5 246.0 49.2 0.85| 5.7 4.8 6000 255 30 208 15| 3.4 1.3 4.8|285.1 -7.5 277.5 46.3 0.84| 5.2 4.4 Wrote GIF file: /home/apache/climate/data/raob//LTAM/skewt/LTAM.skewt.20250420.00.gif