UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042012.upa.cvt Date: 1200Z 20 APR 25 Searching for LTAM... Searching the city database file for: LTAM ... Date:1200Z 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 65 1 925 737 SFC 887 1094 20.4 4.4 35 16.0 11.3 305 6 303.8 304.9 289.3 321.7 5.91 3 855 1412 17.6 3.6 39 14.0 9.7 314 9 304.1 305.1 289.2 321.6 5.80 4 850 1463 17.2 3.2 39 14.0 9.4 315 10 304.2 305.2 289.2 321.3 5.67 5 700 3075 1.2 -3.2 72 4.4 -0.9 225 16 303.8 304.6 287.8 317.0 4.31 6 686 3237 0.6 -5.4 64 6.0 -2.1 227 18 304.9 305.6 287.6 316.4 3.73 7 679 3320 0.0 -6.0 64 6.0 -2.6 228 18 305.1 305.8 287.5 316.3 3.60 8 546 5022 -13.9 -22.9 47 9.0 -16.2 251 36 308.2 308.4 286.0 311.9 1.11 9 543 5064 -14.1 -26.1 35 12.0 -16.8 251 36 308.5 308.6 285.8 311.3 0.84 10 540 5106 -14.3 -28.3 29 14.0 -17.3 252 37 308.7 308.9 285.7 311.1 0.69 11 521 5378 -13.5 -46.5 4 33.0 -17.9 256 40 312.9 312.9 286.5 313.3 0.11 12 510 5540 -14.7 -49.7 3 35.0 -19.0 258 41 313.3 313.4 286.6 313.6 0.08 13 508 5570 -14.9 -49.9 3 35.0 -19.1 258 42 313.4 313.5 286.6 313.7 0.08 14 500 5690 -15.3 -44.3 6 29.0 -19.3 260 43 314.4 314.4 287.1 314.9 0.15 15 400 7340 -27.5 -45.5 16 18.0 -29.3 255 45 319.2 319.3 288.7 319.9 0.16 16 393 7467 -28.7 -45.7 18 17.0 -30.3 254 45 319.3 319.3 288.7 319.9 0.16 17 300 9340 -44.3 -55.3 28 11.0 -44.7 245 48 322.9 322.9 289.8 323.2 0.07 18 253 10463 -52.9 -63.9 25 11.0 -53.1 260 50 326.3 326.3 290.7 326.4 0.03 19 250 10540 -53.5 -63.5 28 10.0 -53.7 260 48 326.5 326.5 290.7 326.6 0.03 20 248 10592 -52.1 -63.1 25 11.0 -52.3 260 48 329.4 329.4 291.6 329.5 0.03 21 237 10886 -51.3 260 49 334.9 22 200 11990 -50.1 260 52 353.4 23 193 12224 -48.9 261 51 359.0 24 171 13023 -47.9 265 47 373.3 25 150 13880 -52.7 270 43 379.3 26 108 15947 -62.5 274 33 398.1 27 100 16420 -63.3 275 31 405.4 28 80 17783 -64.3 244 22 430.1 29 70 18600 -63.1 225 16 449.4 30 51 20548 -62.1 131 10 494.3 31 50 20670 -62.7 125 10 495.7 32 31 23644 -60.1 31 9 575.4 33 30 23850 -59.3 25 9 583.0 34 20 26430 -53.9 90 11 671.2 35 19 26758 -54.3 103 12 679.9 36 12 29728 -50.1 219 18 790.2 37 10 30930 -45.5 265 21 849.7 38 7.9 32518 -40.7 928.1 39 7.1 33250 -37.5 970.1 TRP 253 10463 -52.9 -63.9 25 11.0 -53.1 260 50 326.3 326.3 290.7 326.4 0.03 WND Sounding variables and indices 1000-500 mb thick: 5625.00 m Freezing level: 679.00 mb = 3319.68 m = 10891.19 ft Wetbulb zero: 712.57 mb = 2927.25 m = 9603.74 ft Precipitable water: 0.56 inches Sfc-500 mean rel hum: 48.30 % Est. max temperature: 20.60 C = 69.09 F Sfc-Lift cond lev (LCL): 698.66 mb = 3090.38 m = 10138.92 ft T: 1.14 C 700-500 lapse rate: 6.31 C/km ThetaE index: 10.60 C Layer 855.0- 521.0 mb Conv cond level (CCL): 675.75 mb = 3357.10 m = 11013.98 ft Mean mixing ratio: 5.55 g/kg Conv temperature: 21.77 C = 71.18 F Cap Strength: 0.72 C Lifted Index: 0.62 C Risk: Showers probable Lifted Index @300 mb: 1.97 C Lifted Index @700 mb: -0.24 C Showalter Index: 0.35 C Risk: Thunderstorms probable Total Totals Index: 51.00 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 32.50 C Cross Totals Index: 18.50 C K Index: 31.30 Risk: 60-80 % chance of thunderstorms Sweat Index: 141.40 Risk: None Energy Index: -1.25 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 100.92 J/kg Max Up Vert Vel: 14.21 m/s Conv Inhibition (B-): 6.24 J/kg Cap Strength: 0.72 C Lift Cond Lev (LCL): 686.31 mb = 3233.79 m = 10609.40 ft Lev Free Conv (LFC): 651.31 mb = 3644.76 m = 11957.72 ft Equ Level (EL): 511.31 mb = 5520.64 m = 18112.12 ft B at Equ Level: 99.84 J/kg Max Parcel Lev (MPL): 341.31 mb = 8445.09 m = 27706.64 ft Wind level data Storm motion: 285 at 21 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 ---------------------------------------------------------- 0 887 1094 305 6 4.9 -3.4 | 97 15 -15.1 2.0 1 850 1463 315 10 7.1 -7.1 | 83 13 -12.9 -1.7 2 700 3075 225 16 11.3 11.3 | 153 19 -8.7 16.7 3 500 5690 260 43 42.3 7.5 | 240 26 22.4 12.9 4 400 7340 255 45 43.5 11.6 | 234 29 23.5 17.0 5 300 9340 245 48 43.5 20.3 | 222 35 23.5 25.7 6 253 10463 260 50 49.2 8.7 | 244 32 29.3 14.1 7 250 10540 260 48 47.3 8.3 | 243 31 27.3 13.7 8 200 11990 260 52 51.2 9.0 | 245 34 31.2 14.4 9 150 13880 270 43 43.0 -0.0 | 257 24 23.0 5.4 10 100 16420 275 31 30.9 -2.7 | 256 11 10.9 2.7 11 70 18600 225 16 11.3 11.3 | 153 19 -8.7 16.7 12 50 20670 125 10 -8.2 5.7 | 112 30 -28.2 11.1 13 30 23850 25 9 -3.8 -8.2 | 83 24 -23.8 -2.8 14 20 26430 90 11 -11.0 0.0 | 100 31 -31.0 5.4 15 10 30930 265 21 20.9 1.8 | 187 7 0.9 7.2 Wind Parameters Mean winds (0-6000m): 255.1 at 27.6 knts Storm direction: 285.1 at 20.7 knts Shear (0-3000m) pos: 2.5 neg: 3.1 tot: 5.6 10-3/s Storm rel Dir Shear (0-3000m): 90.5 deg Storm rel helicity (0-3000m) pos: 89.9 neg: -12.7 tot: 77.2 m^2/s^2 ave: 25.7 10^-3 m/s^2 rel: 0.55 Storm rel vorticity (0-3000m) horiz: 6.3 stream: 3.4 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 1.33 Bulk Shear: 75.65 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 ------------------------------------------------------------------------------- 500 311 9 89 14| 4.6 0.0 4.6| 1.4 -12.7 -11.3 -22.7 -0.57| 5.5 -3.1 1000 300 10 92 11| 2.3 3.0 5.3| 12.9 -12.7 0.2 0.2 0.14| 5.8 0.8 1500 284 11 107 10| 1.5 4.1 5.7| 26.6 -12.7 13.8 9.2 0.39| 6.2 2.4 2000 264 12 130 10| 1.2 4.7 5.8| 32.5 -12.7 19.8 9.9 0.34| 6.5 2.2 2500 252 13 143 12| 1.8 3.7 5.5| 60.4 -12.7 47.7 19.1 0.46| 6.4 2.9 3000 248 15 152 13| 2.5 3.1 5.6| 89.9 -12.7 77.2 25.7 0.55| 6.3 3.4 4000 249 19 172 13| 3.5 2.3 5.8|157.3 -12.7 144.6 36.1 0.66| 6.4 4.2 5000 254 24 195 12| 3.6 1.9 5.5|205.8 -17.5 188.3 37.7 0.67| 6.0 4.0 6000 255 28 208 14| 3.0 1.8 4.8|205.8 -30.3 175.5 29.2 0.61| 5.3 3.2 Wrote GIF file: /home/apache/climate/data/raob//LTAM/skewt/LTAM.skewt.20250420.12.gif