UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041812.upa.cvt Date: 1200Z 18 APR 25 Searching for LTAM... Searching the city database file for: LTAM ... Date:1200Z 18 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 104 1 925 783 SFC 892 1094 23.4 5.4 31 18.0 12.8 25 4 306.4 307.6 290.5 325.6 6.31 3 850 1516 19.0 1.0 30 18.0 9.3 330 5 306.0 307.0 289.0 320.9 4.84 4 756 2504 9.0 -3.0 43 12.0 3.2 285 7 305.6 306.4 288.1 318.2 4.05 5 734 2747 6.4 -4.6 45 11.0 1.3 273 8 305.4 306.1 287.7 316.9 3.70 6 700 3133 2.2 -5.8 55 8.0 -1.4 255 9 304.9 305.6 287.4 315.9 3.54 7 694 3203 2.4 -10.6 38 13.0 -2.8 256 9 305.9 306.4 286.6 313.6 2.45 8 689 3261 2.0 -12.0 35 14.0 -3.4 257 10 306.1 306.5 286.4 313.1 2.21 9 630 3979 -2.3 -21.3 22 19.0 -8.0 271 13 309.1 309.3 286.3 312.8 1.11 10 607 4274 -3.1 -42.1 3 39.0 -10.4 276 15 311.5 311.5 286.1 312.1 0.16 11 544 5133 -9.1 -50.1 2 41.0 -14.8 292 19 314.3 314.3 286.9 314.5 0.07 12 516 5540 -12.7 -34.7 14 22.0 -16.9 300 21 314.7 314.8 287.5 316.1 0.39 13 500 5780 -14.9 -35.9 15 21.0 -18.6 305 22 314.9 314.9 287.5 316.2 0.36 14 473 6197 -17.9 -29.9 34 12.0 -20.3 306 25 316.2 316.3 288.3 318.6 0.68 15 416 7139 -26.5 -37.5 35 11.0 -27.9 309 31 317.0 317.0 288.2 318.3 0.37 16 400 7420 -28.9 -42.9 25 14.0 -30.3 310 33 317.4 317.5 288.2 318.2 0.22 17 392 7564 -29.7 -43.7 24 14.0 -31.1 310 34 318.2 318.3 288.4 319.0 0.20 18 319 9004 -40.1 -58.1 13 18.0 -40.9 310 43 323.1 323.1 289.8 323.3 0.05 19 300 9420 -43.7 310 46 323.8 20 250 10620 -51.1 305 47 330.1 21 223 11353 -57.7 300 47 330.9 22 208 11793 -58.3 287 34 336.6 23 200 12040 -58.1 280 27 340.8 24 165 13265 -53.7 253 19 367.4 25 159 13504 -52.5 248 17 373.3 26 150 13880 -53.9 240 15 377.2 27 145 14096 -55.1 242 17 378.8 28 120 15289 -59.3 251 25 392.2 29 100 16420 -62.3 260 33 407.4 30 82 17645 -62.7 268 19 430.3 31 71 18533 -63.1 274 8 447.6 32 70 18620 -63.7 275 7 448.1 33 50 20690 -62.9 75 12 495.3 34 47 21073 -61.9 80 13 506.5 35 32 23482 -57.7 110 18 576.6 36 30 23890 -58.1 115 19 586.2 37 21 26156 -54.5 84 13 660.1 38 20 26470 -52.3 80 12 676.1 39 18 27154 -52.7 54 13 695.5 40 11 30414 -42.9 293 19 836.3 41 10 31060 -41.5 270 20 864.6 42 8.6 32088 -39.5 910.5 TRP 223 11353 -57.7 300 47 330.9 WND Sounding variables and indices 1000-500 mb thick: 5676.00 m Freezing level: 661.56 mb = 3594.96 m = 11794.34 ft Wetbulb zero: 717.70 mb = 2929.75 m = 9611.91 ft Precipitable water: 0.43 inches Sfc-500 mean rel hum: 24.56 % Est. max temperature: 22.52 C = 72.54 F Sfc-Lift cond lev (LCL): 683.09 mb = 3330.19 m = 10925.68 ft T: 1.59 C 700-500 lapse rate: 6.46 C/km ThetaE index: 13.56 C Layer 850.0- 544.0 mb Conv cond level (CCL): 605.77 mb = 4290.14 m = 14075.08 ft Mean mixing ratio: 4.99 g/kg Conv temperature: 28.38 C = 83.08 F Cap Strength: 2.62 C Lifted Index: 0.72 C Risk: Showers probable Lifted Index @300 mb: 2.28 C Lifted Index @700 mb: -1.03 C Showalter Index: 1.02 C Risk: Showers probable Total Totals Index: 49.80 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 33.90 C Cross Totals Index: 15.90 C K Index: 26.90 Risk: 40-60 % chance of thunderstorms Sweat Index: 60.00 Risk: None Energy Index: -0.88 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 34.99 J/kg Max Up Vert Vel: 8.37 m/s Conv Inhibition (B-): 180.64 J/kg Cap Strength: 2.55 C Lift Cond Lev (LCL): 653.00 mb = 3691.33 m = 12110.51 ft Lev Free Conv (LFC): 438.00 mb = 6760.45 m = 22179.69 ft Equ Level (EL): 378.00 mb = 7818.36 m = 25650.49 ft B at Equ Level: 33.50 J/kg Max Parcel Lev (MPL): 328.00 mb = 8809.31 m = 28901.60 ft Wind level data Storm motion: 328 at 11 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 ---------------------------------------------------------- 0 892 1094 25 4 -1.7 -3.6 | 128 10 -7.7 6.0 1 850 1516 330 5 2.5 -4.3 | 146 6 -3.5 5.3 2 700 3133 255 9 8.7 2.3 | 193 12 2.7 11.9 3 500 5780 305 22 18.0 -12.6 | 284 12 12.0 -3.0 4 400 7420 310 33 25.3 -21.2 | 301 22 19.3 -11.6 5 300 9420 310 46 35.2 -29.6 | 304 35 29.2 -19.9 6 250 10620 305 47 38.5 -27.0 | 298 37 32.5 -17.3 7 223 11353 300 47 40.7 -23.5 | 292 37 34.7 -13.9 8 200 12040 280 27 26.6 -4.7 | 257 21 20.6 4.9 9 150 13880 240 15 13.0 7.5 | 202 18 7.0 17.1 10 100 16420 260 33 32.5 5.7 | 240 31 26.5 15.3 11 70 18620 275 7 7.0 -0.6 | 186 9 0.9 9.0 12 50 20690 75 12 -11.6 -3.1 | 110 19 -17.6 6.5 13 30 23890 115 19 -17.2 8.0 | 127 29 -23.2 17.6 14 20 26470 80 12 -11.8 -2.1 | 113 19 -17.8 7.5 15 10 31060 270 20 20.0 -0.0 | 235 17 14.0 9.6 Wind Parameters Mean winds (0-6000m): 297.9 at 15.1 knts Storm direction: 327.9 at 11.4 knts Shear (0-3000m) pos: 1.0 neg: 2.0 tot: 3.0 10-3/s Storm rel Dir Shear (0-3000m): 93.0 deg Storm rel helicity (0-3000m) pos: 32.3 neg: -0.2 tot: 32.1 m^2/s^2 ave: 10.7 10^-3 m/s^2 rel: 0.67 Storm rel vorticity (0-3000m) horiz: 3.5 stream: 2.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.62 Bulk Shear: 21.66 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 ------------------------------------------------------------------------------- 500 349 5 135 7| 0.0 4.8 4.8| 4.9 0.0 4.9 9.9 0.55| 4.9 2.7 1000 328 5 148 6| 0.0 3.6 3.6| 9.0 0.0 9.0 9.0 0.70| 3.8 2.7 1500 310 6 165 6| 0.0 3.3 3.3| 12.7 0.0 12.7 8.4 0.68| 3.6 2.5 2000 291 6 180 7| 0.0 3.0 3.0| 13.7 -0.2 13.5 6.8 0.53| 3.6 1.9 2500 280 7 187 8| 0.5 2.4 3.0| 22.3 -0.2 22.1 8.9 0.60| 3.5 2.1 3000 277 8 193 9| 1.0 2.0 3.0| 32.3 -0.2 32.1 10.7 0.67| 3.5 2.3 4000 283 10 207 8| 1.6 1.5 3.1| 54.5 -0.2 54.3 13.6 0.75| 3.5 2.7 5000 293 12 229 7| 2.0 1.2 3.2| 75.9 -0.2 75.7 15.1 0.78| 3.6 2.8 6000 298 15 251 8| 2.3 1.0 3.3| 89.5 -0.2 89.3 14.9 0.72| 3.6 2.6 Wrote GIF file: /home/apache/climate/data/raob//LTAM/skewt/LTAM.skewt.20250418.12.gif