UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042112.upa.cvt Date: 1200Z 21 APR 25 Searching for LTAM... Searching the city database file for: LTAM ... Date:1200Z 21 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 78 1 925 754 SFC 889 1094 22.2 3.2 29 19.0 11.5 330 3 305.5 306.5 289.3 322.0 5.42 3 865 1332 18.8 1.8 32 17.0 9.6 315 8 304.3 305.2 288.6 319.7 5.04 4 850 1483 17.6 1.6 34 16.0 8.9 305 11 304.6 305.5 288.7 320.0 5.05 5 700 3095 1.2 -4.8 64 6.0 -1.5 230 13 303.8 304.5 287.3 315.6 3.82 6 664 3517 -2.1 -7.1 69 5.0 -4.2 236 16 304.7 305.4 287.2 315.2 3.38 7 641 3795 -4.5 -11.5 58 7.0 -7.1 240 17 305.1 305.5 286.4 312.9 2.47 8 588 4470 -7.7 -33.7 10 26.0 -13.0 251 22 309.0 309.1 285.4 310.3 0.38 9 577 4616 -8.9 -37.9 8 29.0 -14.1 253 23 309.3 309.3 285.4 310.2 0.25 10 500 5710 -15.9 -39.9 11 24.0 -19.6 270 30 313.7 313.7 286.9 314.5 0.24 11 467 6221 -19.5 -33.5 28 14.0 -21.9 268 31 315.4 315.5 287.8 317.1 0.48 12 447 6545 -22.5 -35.5 30 13.0 -24.5 267 32 315.6 315.6 287.8 317.0 0.42 13 400 7350 -29.1 -40.1 34 11.0 -30.3 265 33 317.2 317.2 288.2 318.2 0.29 14 300 9340 -45.7 -57.7 25 12.0 -46.1 255 31 320.9 321.0 289.1 321.2 0.05 15 280 9797 -47.1 257 32 325.3 16 274 9940 -47.7 258 33 326.5 17 255 10411 -50.7 260 34 328.8 18 250 10540 -50.7 255 33 330.7 19 218 11432 -51.9 258 45 342.0 20 200 11990 -53.3 260 52 348.4 21 174 12890 -52.5 250 40 363.8 22 151 13807 -53.1 240 28 377.9 23 150 13850 -53.1 240 27 378.6 24 100 16410 -63.1 240 29 405.8 25 94 16792 -62.3 238 27 414.6 26 78 17945 -62.1 233 21 437.8 27 70 18610 -64.5 230 17 446.4 28 67 18880 -62.9 252 17 455.5 29 50 20690 -62.3 40 16 496.7 30 48 20943 -60.9 49 16 505.8 31 30 23890 -57.9 150 10 586.8 32 29 24105 -57.1 158 11 594.7 33 24 25313 -54.9 202 19 634.2 34 20 26490 -51.7 245 26 677.9 35 16 27940 -51.9 243 30 721.9 36 12 29824 -47.9 241 36 798.0 37 10 31040 -43.5 240 39 857.2 38 6.7 33776 -36.3 991.3 39 5.7 34906 -32.5 1054.9 TRP 255 10411 -50.7 260 34 328.8 WND Sounding variables and indices 1000-500 mb thick: 5632.00 m Freezing level: 686.91 mb = 3248.30 m = 10657.01 ft Wetbulb zero: 721.63 mb = 2842.38 m = 9325.28 ft Precipitable water: 0.49 inches Sfc-500 mean rel hum: 36.70 % Est. max temperature: 20.92 C = 69.65 F Sfc-Lift cond lev (LCL): 670.05 mb = 3444.09 m = 11299.38 ft T: -1.53 C 700-500 lapse rate: 6.54 C/km ThetaE index: 9.83 C Layer 700.0- 500.0 mb Conv cond level (CCL): 663.64 mb = 3520.84 m = 11551.19 ft Mean mixing ratio: 4.94 g/kg Conv temperature: 21.50 C = 70.70 F Cap Strength: 0.42 C Lifted Index: 0.72 C Risk: Showers probable Lifted Index @300 mb: 1.42 C Lifted Index @700 mb: -0.69 C Showalter Index: 0.49 C Risk: Thunderstorms probable Total Totals Index: 51.00 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 33.50 C Cross Totals Index: 17.50 C K Index: 29.10 Risk: 40-60 % chance of thunderstorms Sweat Index: 111.20 Risk: None Energy Index: -1.07 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 31.75 J/kg Max Up Vert Vel: 7.97 m/s Conv Inhibition (B-): 2.37 J/kg Cap Strength: 0.85 C Lift Cond Lev (LCL): 665.00 mb = 3504.56 m = 11497.75 ft Lev Free Conv (LFC): 660.00 mb = 3564.31 m = 11693.80 ft Equ Level (EL): 600.00 mb = 4311.97 m = 14146.71 ft B at Equ Level: 31.18 J/kg Max Parcel Lev (MPL): 470.00 mb = 6173.26 m = 20253.25 ft Wind level data Storm motion: 294 at 15 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 ---------------------------------------------------------- 0 889 1094 330 3 1.5 -2.6 | 106 13 -12.6 3.6 1 850 1483 305 11 9.0 -6.3 | 89 5 -5.1 -0.1 2 700 3095 230 13 10.0 8.4 | 164 15 -4.2 14.5 3 500 5710 270 30 30.0 -0.0 | 249 17 15.9 6.2 4 400 7350 265 33 32.9 2.9 | 244 21 18.7 9.1 5 300 9340 255 31 29.9 8.0 | 228 21 15.8 14.2 6 255 10411 260 34 33.5 5.9 | 238 23 19.3 12.1 7 250 10540 255 33 31.9 8.5 | 230 23 17.7 14.7 8 200 11990 260 52 51.2 9.0 | 248 40 37.1 15.2 9 150 13850 240 27 23.4 13.5 | 205 22 9.2 19.7 10 100 16410 240 29 25.1 14.5 | 208 23 11.0 20.7 11 70 18610 230 17 13.0 10.9 | 176 17 -1.1 17.1 12 50 20690 40 16 -10.3 -12.3 | 76 25 -24.4 -6.1 13 30 23890 150 10 -5.0 8.7 | 128 24 -19.1 14.9 14 20 26490 245 26 23.6 11.0 | 209 20 9.4 17.2 15 10 31040 240 39 33.8 19.5 | 217 32 19.6 25.7 Wind Parameters Mean winds (0-6000m): 263.6 at 20.6 knts Storm direction: 293.6 at 15.4 knts Shear (0-3000m) pos: 1.3 neg: 2.4 tot: 3.7 10-3/s Storm rel Dir Shear (0-3000m): 88.1 deg Storm rel helicity (0-3000m) pos: 39.7 neg: -10.1 tot: 29.7 m^2/s^2 ave: 9.9 10^-3 m/s^2 rel: 0.34 Storm rel vorticity (0-3000m) horiz: 5.5 stream: 1.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.95 Bulk Shear: 33.58 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 ------------------------------------------------------------------------------- 500 308 8 100 8| 0.0 8.9 8.9| 0.9 -7.6 -6.6 -13.3 -0.22| 9.8 -2.1 1000 296 10 110 6| 0.0 5.3 5.3| 5.9 -7.6 -1.7 -1.7 0.15| 7.3 1.1 1500 283 10 134 5| 0.0 4.1 4.1| 8.9 -7.6 1.3 0.9 0.20| 6.6 1.3 2000 270 11 153 7| 0.0 3.6 3.6| 8.9 -10.1 -1.1 -0.6 0.13| 6.3 0.8 2500 260 12 163 9| 0.8 2.8 3.6| 23.9 -10.1 13.9 5.5 0.24| 5.8 1.4 3000 255 13 169 10| 1.3 2.4 3.7| 39.7 -10.1 29.7 9.9 0.34| 5.5 1.9 4000 256 15 185 10| 2.1 1.8 3.9| 74.9 -10.1 64.9 16.2 0.48| 5.3 2.5 5000 262 18 204 10| 2.3 1.4 3.7|100.0 -11.2 88.7 17.7 0.53| 4.9 2.6 6000 264 21 217 11| 1.9 1.4 3.3|100.0 -15.8 84.1 14.0 0.48| 4.3 2.1 Wrote GIF file: /home/apache/climate/data/raob//LTAM/skewt/LTAM.skewt.20250421.12.gif