UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041800.upa.cvt Date: 0000Z 18 APR 25 Searching for LTAM... Searching the city database file for: LTAM ... Date:0000Z 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 194 1 925 834 SFC 896 1094 6.6 2.9 77 3.7 4.8 0 0 288.7 289.6 282.8 303.7 5.26 3 877 1272 10.2 -0.8 46 11.0 4.9 329 1 294.2 294.9 283.9 306.3 4.11 4 873 1310 9.4 -1.6 46 11.0 4.2 323 1 293.7 294.4 283.5 305.2 3.89 5 867 1367 9.2 -1.8 46 11.0 4.1 313 2 294.1 294.8 283.6 305.5 3.86 6 850 1532 10.8 -0.2 46 11.0 5.4 285 3 297.5 298.3 285.5 310.7 4.43 7 832 1711 10.6 1.6 54 9.0 5.9 294 4 299.1 300.0 286.9 314.5 5.16 8 767 2386 6.8 -0.2 61 7.0 3.3 327 7 302.0 302.9 287.7 316.9 4.92 9 742 2658 5.0 -5.0 48 10.0 0.5 341 8 302.9 303.6 286.7 313.8 3.55 10 700 3132 1.2 -8.8 47 10.0 -2.9 5 10 303.8 304.3 286.2 312.5 2.81 11 671 3472 -0.7 -14.7 34 14.0 -5.6 1 12 305.4 305.7 285.8 311.2 1.82 12 645 3787 -1.9 -18.9 26 17.0 -7.3 358 14 307.5 307.7 286.0 311.8 1.33 13 632 3949 -2.7 -12.7 46 10.0 -6.4 356 15 308.4 308.8 287.3 315.7 2.28 14 625 4037 -3.7 -13.7 46 10.0 -7.3 355 15 308.2 308.6 287.1 315.0 2.12 15 600 4359 -5.7 -22.7 25 17.0 -10.5 351 17 309.5 309.7 286.4 313.0 1.03 16 581 4611 -6.9 -24.9 22 18.0 -11.6 348 18 311.0 311.1 286.7 313.9 0.87 17 566 4815 -7.3 -40.3 5 33.0 -13.2 346 19 312.8 312.9 286.6 313.6 0.20 18 505 5694 -13.3 -37.3 11 24.0 -17.5 336 25 315.9 316.0 287.8 317.0 0.31 19 500 5770 -13.9 -36.9 12 23.0 -17.9 335 25 316.1 316.2 287.8 317.3 0.32 20 475 6157 -17.5 -38.5 14 21.0 -20.8 338 25 316.3 316.4 287.9 317.4 0.29 21 444 6659 -20.9 -51.9 4 31.0 -24.0 343 26 318.2 318.2 288.2 318.5 0.07 22 400 7420 -27.1 -48.1 12 21.0 -29.0 350 26 319.8 319.8 288.8 320.2 0.12 23 300 9420 -43.7 -58.7 17 15.0 -44.2 335 33 323.8 323.8 289.9 324.0 0.05 24 250 10620 -53.3 320 25 326.8 25 241 10857 -55.1 305 26 327.6 26 225 11297 -56.5 299 24 331.9 27 215 11590 -52.3 296 23 342.8 28 214 11620 -52.5 295 23 342.9 29 200 12060 -52.3 290 21 349.9 30 185 12568 -50.7 282 22 360.4 31 156 13677 -52.7 264 25 375.0 32 150 13930 -53.9 260 26 377.2 33 116 15549 -61.5 285 23 391.9 34 100 16460 -65.1 300 22 401.9 35 80 17815 -65.7 325 14 427.2 36 70 18630 -63.1 340 10 449.4 37 50 20710 -62.5 300 6 496.2 38 42 21787 -61.9 523.1 39 31 23676 -59.7 576.5 TRP 241 10857 -55.1 305 26 327.6 WND Sounding variables and indices 1000-500 mb thick: 5576.00 m Freezing level: 681.68 mb = 3346.45 m = 10979.04 ft Wetbulb zero: 735.96 mb = 2724.66 m = 8939.07 ft Precipitable water: 0.44 inches Sfc-500 mean rel hum: 35.75 % Est. max temperature: 20.27 C = 68.49 F Sfc-Lift cond lev (LCL): 846.56 mb = 1565.92 m = 5137.48 ft T: 10.76 C 700-500 lapse rate: 5.72 C/km ThetaE index: 5.67 C Layer 742.0- 645.0 mb Conv cond level (CCL): 625.77 mb = 4027.26 m = 13212.63 ft Mean mixing ratio: 4.70 g/kg Conv temperature: 25.55 C = 78.00 F Cap Strength: 8.01 C Lifted Index: 7.99 C Risk: None Lifted Index @300 mb: 9.48 C Lifted Index @700 mb: 4.99 C Showalter Index: 7.99 C Risk: None Total Totals Index: 38.40 C Risk: None Vertical Totals Index: 24.70 C Cross Totals Index: 13.70 C K Index: 14.50 Risk: None Sweat Index: 31.00 Risk: None Energy Index: 1.49 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 46.72 J/kg Max Up Vert Vel: 9.67 m/s Conv Inhibition (B-): 32474.93 J/kg Cap Strength: 7.99 C Lift Cond Lev (LCL): 734.32 mb = 2742.84 m = 8998.70 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 13 at 12 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 ---------------------------------------------------------- 0 896 1094 0 0 -0.0 -0.0 | 193 12 2.5 11.3 1 850 1532 285 3 2.9 -0.8 | 207 12 5.4 10.5 2 700 3132 5 10 -0.9 -10.0 | 232 2 1.7 1.3 3 500 5770 335 25 10.6 -22.7 | 311 17 13.1 -11.4 4 400 7420 350 26 4.5 -25.6 | 334 16 7.1 -14.3 5 300 9420 335 33 13.9 -29.9 | 319 25 16.5 -18.6 6 250 10620 320 25 16.1 -19.2 | 293 20 18.6 -7.9 7 241 10857 305 26 21.3 -14.9 | 279 24 23.8 -3.7 8 200 12060 290 21 19.7 -7.2 | 260 23 22.3 4.1 9 150 13930 260 26 25.6 4.5 | 241 32 28.2 15.8 10 100 16460 300 22 19.1 -11.0 | 269 22 21.6 0.3 11 70 18630 340 10 3.4 -9.4 | 253 6 6.0 1.9 12 50 20710 300 6 5.2 -3.0 | 223 11 7.7 8.3 Wind Parameters Mean winds (0-6000m): 342.7 at 15.4 knts Storm direction: 12.7 at 11.5 knts Shear (0-3000m) pos: 1.6 neg: 1.4 tot: 3.1 10-3/s Storm rel Dir Shear (0-3000m): 122.1 deg Storm rel helicity (0-3000m) pos: 23.0 neg: -0.1 tot: 22.9 m^2/s^2 ave: 7.6 10^-3 m/s^2 rel: 0.53 Storm rel vorticity (0-3000m) horiz: 3.6 stream: 1.9 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 1.67 Bulk Shear: 28.02 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 2 201 12| 0.0 3.4 3.4| 9.1 0.0 9.1 18.2 0.81| 3.9 3.2 1000 299 3 208 11| 1.5 1.7 3.1| 15.8 0.0 15.8 15.8 0.80| 3.5 2.8 1500 320 4 213 10| 2.1 1.1 3.2| 19.6 0.0 19.6 13.1 0.69| 3.5 2.4 2000 344 5 213 7| 2.5 0.8 3.3| 20.3 -0.1 20.2 10.1 0.51| 3.8 1.9 2500 351 6 216 6| 2.0 1.1 3.1| 21.8 -0.1 21.7 8.7 0.56| 3.7 2.0 3000 353 8 224 5| 1.6 1.4 3.1| 23.0 -0.1 22.9 7.6 0.53| 3.6 1.9 4000 349 10 257 5| 1.2 1.9 3.2| 23.5 -1.1 22.4 5.6 0.40| 3.6 1.4 5000 343 13 282 7| 1.1 1.9 3.0| 28.8 -5.2 23.6 4.7 0.33| 3.5 1.1 6000 343 15 296 8| 1.2 1.6 2.8| 46.3 -5.2 41.1 6.9 0.40| 3.2 1.3 Wrote GIF file: /home/apache/climate/data/raob//LTAM/skewt/LTAM.skewt.20250418.00.gif