UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042212.upa.cvt Date: 1200Z 22 APR 25 Searching for LTBM... Searching the city database file for: LTBM ... Date:1200Z 22 APR 25 Station: LTBM WMO ident: 17240 Latitude: 37.75 Longitude: 30.55 Elevation: 997.00 ------------------------------------------------------------------------------- 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 74 1 925 754 SFC 900 997 23.4 8.4 38 15.0 14.2 115 13 305.6 307.1 291.4 328.9 7.70 3 854 1448 19.4 8.4 49 11.0 12.7 179 8 306.1 307.6 291.9 330.6 8.12 4 850 1488 19.0 8.0 49 11.0 12.3 185 8 306.0 307.5 291.7 330.1 7.94 5 715 2940 6.0 -3.0 52 9.0 1.6 212 12 307.3 308.1 288.9 320.5 4.29 6 712 2974 5.8 -3.2 52 9.0 1.4 212 12 307.4 308.2 288.9 320.6 4.24 7 700 3113 4.6 -5.4 48 10.0 0.0 215 12 307.6 308.3 288.4 319.0 3.65 8 599 4357 -6.1 -12.1 62 6.0 -8.3 234 16 309.2 309.7 287.8 317.3 2.52 9 594 4423 -6.5 -13.5 58 7.0 -9.0 235 16 309.5 309.9 287.7 316.8 2.27 10 511 5577 -16.7 -20.0 76 3.3 -17.6 252 19 310.7 311.0 287.3 315.8 1.53 11 500 5740 -18.1 -21.1 77 3.0 -18.8 255 20 311.0 311.2 287.3 315.7 1.42 12 476 6107 -20.3 -29.3 44 9.0 -22.0 255 22 312.7 312.8 287.1 315.1 0.71 13 463 6313 -20.5 -36.5 23 16.0 -22.9 255 24 314.9 315.0 287.5 316.2 0.36 14 450 6524 -22.1 -33.1 36 11.0 -23.9 255 25 315.5 315.6 287.9 317.3 0.52 15 400 7380 -29.9 -36.9 51 7.0 -30.7 255 31 316.1 316.2 287.9 317.6 0.40 16 386 7632 -31.7 -39.7 45 8.0 -32.6 254 34 317.0 317.1 288.1 318.1 0.31 17 351 8295 -36.9 -43.9 48 7.0 -37.4 253 43 318.7 318.8 288.6 319.5 0.22 18 300 9360 -45.1 -51.1 51 6.0 -45.4 250 57 321.8 321.8 289.5 322.2 0.12 19 254 10449 -56.1 -62.1 47 6.0 -56.2 255 68 321.3 321.3 289.2 321.4 0.04 20 250 10550 -57.1 -63.1 46 6.0 -57.2 260 66 321.2 321.2 289.2 321.3 0.03 21 248 10601 -57.5 -63.5 46 6.0 -57.6 260 65 321.3 321.3 289.2 321.4 0.03 22 240 10809 -57.1 -63.1 46 6.0 -57.2 259 63 324.9 325.0 290.3 325.1 0.03 23 222 11306 -54.7 -61.7 42 7.0 -54.9 257 57 336.0 336.0 293.3 336.1 0.04 24 210 11665 -52.1 -61.1 33 9.0 -52.4 256 53 345.4 345.4 295.7 345.6 0.05 25 201 11948 -53.5 -62.5 33 9.0 -53.7 255 49 347.5 347.6 296.1 347.7 0.04 26 200 11980 -53.7 -62.7 32 9.0 -53.9 255 49 347.7 347.7 296.2 347.9 0.04 27 150 13830 -53.3 255 48 378.2 28 148 13917 -53.9 255 47 378.7 29 101 16338 -61.3 250 28 408.1 30 100 16400 -61.7 250 28 408.5 31 94 16783 -62.1 241 25 415.0 32 78 17939 -60.7 215 15 440.7 33 70 18610 -61.9 200 10 452.0 34 60 19563 -61.7 198 11 472.8 35 50 20690 -61.9 195 12 497.6 36 43 21631 -59.5 189 11 525.4 37 38 22412 -56.5 184 10 552.0 38 30 23910 -57.9 175 8 586.8 39 27 24578 -55.7 610.9 40 26 24818 -54.9 619.8 TRP 248 10601 -57.5 -63.5 46 6.0 -57.6 260 65 321.3 321.3 289.2 321.4 0.03 WND 254 10449 -56.1 -62.1 47 6.0 -56.2 255 68 321.3 321.3 289.2 321.4 0.04 Sounding variables and indices 1000-500 mb thick: 5666.00 m Freezing level: 656.58 mb = 3647.95 m = 11968.19 ft Wetbulb zero: 699.76 mb = 3115.73 m = 10222.08 ft Precipitable water: 0.74 inches Sfc-500 mean rel hum: 56.39 % Est. max temperature: 24.73 C = 76.51 F Sfc-Lift cond lev (LCL): 721.00 mb = 2869.43 m = 9414.02 ft T: 6.63 C 700-500 lapse rate: 8.64 C/km ThetaE index: 10.07 C Layer 850.0- 712.0 mb Conv cond level (CCL): 698.13 mb = 3134.41 m = 10283.37 ft Mean mixing ratio: 7.55 g/kg Conv temperature: 25.33 C = 77.60 F Cap Strength: 1.15 C Lifted Index: -6.34 C Risk: Severe thunderstorms probable Lifted Index @300 mb: -4.10 C Lifted Index @700 mb: 0.65 C Showalter Index: -6.87 C Risk: Severe thunderstorms probable Total Totals Index: 63.20 C Risk: Severe Thunderstorms probable Vertical Totals Index: 37.10 C Cross Totals Index: 26.10 C K Index: 35.10 Risk: > 80 % chance of thunderstorms Sweat Index: 416.00 Risk: Severe Thunderstorms possible Energy Index: -2.89 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1385.58 J/kg Max Up Vert Vel: 52.64 m/s Conv Inhibition (B-): 33.88 J/kg Cap Strength: 1.15 C Lift Cond Lev (LCL): 713.18 mb = 2960.44 m = 9712.60 ft Lev Free Conv (LFC): 678.18 mb = 3365.88 m = 11042.77 ft Equ Level (EL): 228.18 mb = 11130.89 m = 36518.22 ft B at Equ Level: 1357.32 J/kg Max Parcel Lev (MPL): 158.18 mb = 13488.50 m = 44253.06 ft Wind level data Storm motion: 267 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 ---------------------------------------------------------- 0 900 997 115 13 -11.8 5.5 | 102 24 -23.7 4.9 1 850 1488 185 8 0.7 8.0 | 123 13 -11.2 7.3 2 700 3113 215 12 6.9 9.8 | 152 10 -5.0 9.2 3 500 5740 255 20 19.3 5.2 | 239 9 7.4 4.5 4 400 7380 255 31 29.9 8.0 | 248 20 18.1 7.4 5 300 9360 250 57 53.6 19.5 | 246 46 41.7 18.9 6 254 10449 255 68 65.7 17.6 | 253 56 53.8 17.0 7 250 10550 260 66 65.0 11.5 | 258 54 53.1 10.8 8 248 10601 260 65 64.0 11.3 | 258 53 52.1 10.6 9 200 11980 255 49 47.3 12.7 | 251 37 35.5 12.0 10 150 13830 255 48 46.4 12.4 | 251 36 34.5 11.8 11 100 16400 250 28 26.3 9.6 | 238 17 14.4 8.9 12 70 18610 200 10 3.4 9.4 | 136 12 -8.5 8.8 13 50 20690 195 12 3.1 11.6 | 141 14 -8.8 11.0 14 30 23910 175 8 -0.7 8.0 | 120 15 -12.6 7.3 Wind Parameters Mean winds (0-6000m): 236.9 at 15.9 knts Storm direction: 266.9 at 11.9 knts Shear (0-3000m) pos: 4.0 neg: 0.0 tot: 4.0 10-3/s Storm rel Dir Shear (0-3000m): 72.9 deg Storm rel helicity (0-3000m) pos: 70.5 neg: 0.0 tot: 70.5 m^2/s^2 ave: 23.5 10^-3 m/s^2 rel: 0.71 Storm rel vorticity (0-3000m) horiz: 4.2 stream: 3.0 10^-3/s Energy-Hel index: 0.51 Bulk Rich Number: 26.59 Bulk Shear: 52.11 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 ------------------------------------------------------------------------------- 500 141 10 112 20| 13.1 0.0 13.1| 41.6 0.0 41.6 83.3 0.56| 14.2 7.9 1000 165 10 121 17| 7.5 0.0 7.5| 47.6 0.0 47.6 47.6 0.60| 8.0 4.8 1500 179 10 127 15| 5.7 0.0 5.7| 53.5 0.0 53.5 35.6 0.64| 6.0 3.8 2000 189 10 132 14| 4.8 0.0 4.8| 59.1 0.0 59.1 29.5 0.66| 5.1 3.4 2500 196 10 137 13| 4.3 0.0 4.3| 64.8 0.0 64.8 25.9 0.69| 4.5 3.1 3000 203 11 142 12| 4.0 0.0 4.0| 70.5 0.0 70.5 23.5 0.71| 4.2 3.0 4000 216 12 154 10| 3.6 0.0 3.6| 82.3 0.0 82.3 20.6 0.76| 3.8 2.9 5000 229 14 170 9| 3.4 0.0 3.4| 93.0 0.0 93.0 18.6 0.77| 3.7 2.8 6000 237 16 190 8| 2.8 0.6 3.4| 97.4 0.0 97.4 16.2 0.68| 3.6 2.5 Wrote GIF file: /home/apache/climate/data/raob//LTBM/skewt/LTBM.skewt.20250422.12.gif