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 LTBM... Searching the city database file for: LTBM ... Date:0000Z 18 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 176 1 925 827 SFC 906 997 11.0 6.8 75 4.2 8.7 280 1 292.3 293.5 286.0 311.9 6.85 3 884 1205 15.2 2.2 41 13.0 8.3 284 4 298.7 299.6 286.6 313.8 5.07 4 878 1263 15.6 2.6 42 13.0 8.6 285 5 299.7 300.7 287.2 315.4 5.26 5 870 1341 14.2 1.2 41 13.0 7.5 286 6 299.0 299.9 286.5 313.3 4.80 6 850 1539 14.2 1.2 41 13.0 7.4 290 9 301.0 301.9 287.3 315.8 4.91 7 790 2154 12.2 -0.8 41 13.0 5.5 303 9 305.3 306.1 288.5 319.3 4.57 8 700 3154 5.2 -7.8 38 13.0 -0.5 325 10 308.2 308.8 288.1 317.8 3.03 9 659 3645 2.8 -16.2 23 19.0 -4.1 322 11 310.9 311.2 287.5 316.3 1.64 10 658 3657 3.0 -17.0 21 20.0 -4.1 322 11 311.3 311.6 287.5 316.3 1.53 11 573 4762 -4.5 -22.5 23 18.0 -9.8 316 13 315.0 315.2 288.3 318.8 1.10 12 500 5820 -12.3 -30.3 21 18.0 -16.3 310 15 318.0 318.2 288.8 320.2 0.62 13 420 7125 -23.9 -35.9 32 12.0 -25.7 314 16 319.4 319.5 289.0 321.0 0.42 14 400 7480 -27.1 -38.1 34 11.0 -28.5 315 16 319.8 319.8 289.0 321.1 0.36 15 384 7772 -29.7 -37.7 46 8.0 -30.7 309 16 320.1 320.2 289.2 321.5 0.39 16 326 8916 -38.7 -44.7 53 6.0 -39.2 283 15 323.1 323.1 289.9 323.9 0.22 17 300 9480 -43.9 -48.9 58 5.0 -44.2 270 15 323.5 323.5 290.0 324.1 0.15 18 250 10680 -52.9 -59.9 42 7.0 -53.1 325 29 327.4 327.4 291.0 327.6 0.05 19 249 10706 -53.1 -60.1 42 7.0 -53.2 326 29 327.5 327.5 291.0 327.7 0.05 20 243 10863 -54.1 -61.1 42 7.0 -54.2 330 29 328.3 328.3 291.3 328.5 0.04 21 214 11674 -58.1 288 31 334.2 22 200 12100 -59.3 265 32 338.9 23 185 12589 -59.3 256 30 346.5 24 172 13048 -58.1 247 27 355.8 25 162 13428 -55.5 239 25 366.3 26 150 13920 -54.9 230 23 375.5 27 119 15383 -59.3 261 17 393.1 28 100 16460 -63.9 285 13 404.3 29 92 16970 -64.7 260 12 412.4 30 89 17171 -65.7 251 11 414.4 31 70 18640 -62.7 180 7 450.2 32 63 19293 -63.5 174 6 462.3 33 50 20720 -63.7 160 5 493.4 34 37 22572 -61.3 148 9 543.9 35 30 23880 -57.9 140 11 586.8 36 24 25292 -58.5 79 12 623.7 37 20 26450 -55.9 30 13 665.1 38 17 27491 -53.1 7 16 705.7 39 15 28307 -48.3 348 18 747.4 40 10 31010 -42.9 290 24 859.4 41 8.7 31956 -39.5 907.5 42 7.1 33357 -36.1 975.8 TRP 243 10863 -54.1 -61.1 42 7.0 -54.2 330 29 328.3 328.3 291.3 328.5 0.04 WND Sounding variables and indices 1000-500 mb thick: 5644.00 m Freezing level: 624.00 mb = 4098.97 m = 13447.89 ft Wetbulb zero: 707.57 mb = 3065.07 m = 10055.90 ft Precipitable water: 0.51 inches Sfc-500 mean rel hum: 31.58 % Est. max temperature: 24.68 C = 76.42 F Sfc-Lift cond lev (LCL): 850.14 mb = 1537.60 m = 5044.55 ft T: 14.20 C 700-500 lapse rate: 6.56 C/km ThetaE index: 2.98 C Layer 700.0- 658.0 mb Conv cond level (CCL): 584.21 mb = 4607.26 m = 15115.49 ft Mean mixing ratio: 5.09 g/kg Conv temperature: 32.61 C = 90.70 F Cap Strength: 7.61 C Lifted Index: 6.78 C Risk: None Lifted Index @300 mb: 6.12 C Lifted Index @700 mb: 6.82 C Showalter Index: 6.49 C Risk: None Total Totals Index: 40.00 C Risk: None Vertical Totals Index: 26.50 C Cross Totals Index: 13.50 C K Index: 14.70 Risk: None Sweat Index: 47.40 Risk: None Energy Index: 1.05 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 36.40 J/kg Max Up Vert Vel: 8.53 m/s Conv Inhibition (B-): 55402.09 J/kg Cap Strength: 7.55 C Lift Cond Lev (LCL): 712.35 mb = 3009.36 m = 9873.11 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 342 at 9 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 ---------------------------------------------------------- 0 906 997 280 1 1.0 -0.2 | 168 8 -1.7 8.2 1 850 1539 290 9 8.5 -3.1 | 228 8 5.8 5.3 2 700 3154 325 10 5.7 -8.2 | 267 3 3.1 0.1 3 500 5820 310 15 11.5 -9.6 | 278 9 8.8 -1.3 4 400 7480 315 16 11.3 -11.3 | 289 9 8.7 -3.0 5 300 9480 270 15 15.0 -0.0 | 236 15 12.3 8.3 6 250 10680 325 29 16.6 -23.8 | 318 21 14.0 -15.4 7 243 10863 330 29 14.5 -25.1 | 325 21 11.8 -16.8 8 200 12100 265 32 31.9 2.8 | 249 31 29.2 11.1 9 150 13920 230 23 17.6 14.8 | 213 28 15.0 23.1 10 100 16460 285 13 12.6 -3.4 | 243 11 9.9 5.0 11 70 18640 180 7 0.0 7.0 | 170 16 -2.7 15.3 12 50 20720 160 5 -1.7 4.7 | 161 14 -4.4 13.0 13 30 23880 140 11 -7.1 8.4 | 150 19 -9.7 16.8 14 20 26450 30 13 -6.5 -11.3 | 72 10 -9.2 -2.9 15 10 31010 290 24 22.6 -8.2 | 270 20 19.9 0.1 Wind Parameters Mean winds (0-6000m): 312.3 at 11.7 knts Storm direction: 342.3 at 8.7 knts Shear (0-3000m) pos: 1.7 neg: 0.2 tot: 1.9 10-3/s Storm rel Dir Shear (0-3000m): 108.4 deg Storm rel helicity (0-3000m) pos: 21.4 neg: 0.0 tot: 21.4 m^2/s^2 ave: 7.1 10^-3 m/s^2 rel: 0.77 Storm rel vorticity (0-3000m) horiz: 2.7 stream: 2.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 4.76 Bulk Shear: 7.64 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 ------------------------------------------------------------------------------- 500 289 5 195 7| 7.6 0.0 7.6| 14.6 0.0 14.6 29.1 0.98| 7.7 7.5 1000 293 7 213 7| 4.3 0.0 4.3| 17.6 0.0 17.6 17.6 0.92| 4.9 4.5 1500 298 8 221 6| 3.0 0.0 3.0| 19.2 0.0 19.2 12.8 0.87| 3.9 3.4 2000 304 8 228 6| 2.4 0.0 2.4| 20.4 0.0 20.4 10.2 0.83| 3.4 2.8 2500 308 9 234 5| 2.0 0.0 2.0| 21.1 0.0 21.1 8.4 0.81| 3.0 2.4 3000 311 9 240 5| 1.7 0.2 1.9| 21.4 0.0 21.4 7.1 0.77| 2.7 2.1 4000 313 10 251 5| 1.3 0.4 1.7| 21.7 0.0 21.7 5.4 0.69| 2.3 1.6 5000 312 11 259 5| 1.0 0.5 1.6| 22.1 -0.2 21.9 4.4 0.62| 2.0 1.3 6000 312 12 265 6| 0.9 0.5 1.4| 24.5 -0.2 24.3 4.0 0.64| 1.8 1.1 Wrote GIF file: /home/apache/climate/data/raob//LTBM/skewt/LTBM.skewt.20250418.00.gif