UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042400.upa.cvt Date: 0000Z 24 APR 25 Searching for LTBM... Searching the city database file for: LTBM ... Date:0000Z 24 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 75 1 925 730 SFC 896 997 12.6 8.5 76 4.1 10.2 0 0 294.9 296.3 287.9 317.4 7.79 3 864 1305 14.8 5.8 55 9.0 9.7 48 6 300.2 301.5 288.8 320.1 6.70 4 850 1443 14.0 5.0 55 9.0 8.9 70 9 300.8 302.0 288.8 320.0 6.44 5 824 1705 12.8 3.8 54 9.0 7.8 94 9 302.2 303.4 288.9 320.6 6.11 6 705 2994 3.0 -2.0 70 5.0 0.5 215 11 305.2 306.1 288.6 319.5 4.69 7 700 3052 2.6 -2.1 71 4.7 0.3 220 11 305.4 306.2 288.6 319.7 4.68 8 596 4333 -7.1 -11.7 70 4.6 -8.8 232 21 308.5 309.0 287.7 316.8 2.62 9 554 4898 -12.3 -18.3 61 6.0 -14.0 237 25 308.8 309.2 286.8 314.2 1.63 10 544 5038 -12.3 -22.3 43 10.0 -14.9 239 26 310.5 310.7 286.9 314.4 1.17 11 506 5590 -15.1 -35.1 16 20.0 -18.6 244 30 313.6 313.6 287.1 314.9 0.38 12 500 5680 -15.9 -32.9 22 17.0 -19.1 245 31 313.7 313.7 287.2 315.3 0.48 13 483 5940 -17.9 -34.9 21 17.0 -20.8 244 32 314.3 314.4 287.3 315.8 0.41 14 400 7320 -29.9 -40.9 34 11.0 -31.0 240 35 316.1 316.2 287.8 317.1 0.27 15 374 7795 -33.1 -45.1 29 12.0 -34.1 241 43 318.0 318.1 288.3 318.7 0.18 16 373 7814 -33.1 -46.1 26 13.0 -34.1 241 43 318.3 318.3 288.4 318.9 0.16 17 325 8773 -37.5 244 60 325.0 18 300 9320 -41.5 245 69 326.9 19 281 9763 -44.9 249 72 328.2 20 257 10357 -48.7 255 76 331.0 21 250 10540 -48.1 255 71 334.6 22 248 10593 -48.3 255 71 335.0 23 200 11990 -52.9 250 75 349.0 24 190 12320 -52.9 249 77 354.2 25 165 13232 -51.8 245 83 370.5 26 150 13850 -51.1 255 71 382.0 27 148 13937 -52.1 255 70 381.8 28 100 16420 -60.7 265 34 410.4 29 85 17425 -63.5 263 24 424.3 30 73 18362 -62.9 261 15 444.5 31 70 18620 -63.7 260 13 448.1 32 50 20690 -63.1 230 18 494.8 33 46 21205 -61.5 510.6 34 38 22400 -57.7 548.9 35 37 22568 -57.7 553.1 TRP 257 10357 -48.7 255 76 331.0 WND 165 13232 -51.8 245 83 370.5 Sounding variables and indices 1000-500 mb thick: 5605.00 m Freezing level: 672.12 mb = 3395.25 m = 11139.14 ft Wetbulb zero: 696.44 mb = 3092.57 m = 10146.12 ft Precipitable water: 0.68 inches Sfc-500 mean rel hum: 59.21 % Est. max temperature: 21.60 C = 70.88 F Sfc-Lift cond lev (LCL): 842.28 mb = 1519.95 m = 4986.65 ft T: 13.65 C 700-500 lapse rate: 7.04 C/km ThetaE index: 1.01 C Layer 705.0- 700.0 mb Conv cond level (CCL): 696.95 mb = 3086.73 m = 10126.95 ft Mean mixing ratio: 6.52 g/kg Conv temperature: 22.86 C = 73.14 F Cap Strength: 3.35 C Lifted Index: 0.60 C Risk: Showers probable Lifted Index @300 mb: 5.47 C Lifted Index @700 mb: 2.23 C Showalter Index: 0.49 C Risk: Thunderstorms probable Total Totals Index: 50.80 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 29.90 C Cross Totals Index: 20.90 C K Index: 30.20 Risk: 60-80 % chance of thunderstorms Sweat Index: 145.00 Risk: None Energy Index: -0.87 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 61.83 J/kg Max Up Vert Vel: 11.12 m/s Conv Inhibition (B-): 186.09 J/kg Cap Strength: 3.35 C Lift Cond Lev (LCL): 747.49 mb = 2510.51 m = 8236.49 ft Lev Free Conv (LFC): 582.49 mb = 4510.13 m = 14796.82 ft Equ Level (EL): 522.49 mb = 5345.37 m = 17537.10 ft B at Equ Level: 45.27 J/kg Max Parcel Lev (MPL): 342.49 mb = 8407.98 m = 27584.91 ft Wind level data Storm motion: 268 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 ---------------------------------------------------------- 0 896 997 0 0 -0.0 -0.0 | 88 15 -14.8 -0.5 1 850 1443 70 9 -8.5 -3.1 | 81 24 -23.2 -3.6 2 700 3052 220 11 7.1 8.4 | 136 11 -7.7 7.9 3 500 5680 245 31 28.1 13.1 | 227 18 13.3 12.6 4 400 7320 240 35 30.3 17.5 | 222 23 15.5 17.0 5 300 9320 245 69 62.5 29.2 | 239 56 47.8 28.6 6 257 10357 255 76 73.4 19.7 | 252 62 58.6 19.1 7 250 10540 255 71 68.6 18.4 | 252 57 53.8 17.8 8 200 11990 250 75 70.5 25.7 | 246 61 55.7 25.1 9 165 13232 245 83 75.2 35.1 | 240 70 60.4 34.5 10 150 13850 255 71 68.6 18.4 | 252 57 53.8 17.8 11 100 16420 265 34 33.9 3.0 | 263 19 19.1 2.4 12 70 18620 260 13 12.8 2.3 | 131 3 -2.0 1.7 13 50 20690 230 18 13.8 11.6 | 175 11 -1.0 11.0 Wind Parameters Mean winds (0-6000m): 238.0 at 19.7 knts Storm direction: 268.0 at 14.8 knts Shear (0-3000m) pos: 3.1 neg: 0.0 tot: 3.1 10-3/s Storm rel Dir Shear (0-3000m): 86.8 deg Storm rel helicity (0-3000m) pos: 144.3 neg: -13.2 tot: 131.1 m^2/s^2 ave: 43.7 10^-3 m/s^2 rel: 0.59 Storm rel vorticity (0-3000m) horiz: 7.6 stream: 4.4 10^-3/s Energy-Hel index: 0.05 Bulk Rich Number: 0.77 Bulk Shear: 79.94 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 70 5 84 20| 9.3 0.0 9.3| 15.2 -13.2 2.0 4.0 -0.05| 11.8 -0.6 1000 89 7 88 22| 5.0 0.0 5.0| 63.0 -13.2 49.8 49.8 0.37| 9.8 3.6 1500 112 8 96 22| 3.5 0.0 3.5|103.2 -13.2 90.0 60.0 0.51| 9.4 4.8 2000 138 9 106 22| 2.8 0.0 2.8|121.8 -13.2 108.6 54.3 0.51| 9.2 4.7 2500 184 9 122 17| 3.0 0.0 3.0|132.6 -13.2 119.4 47.8 0.55| 8.3 4.5 3000 207 11 132 13| 3.1 0.0 3.1|144.3 -13.2 131.1 43.7 0.59| 7.6 4.4 4000 226 14 150 10| 3.3 0.0 3.3|170.6 -13.2 157.5 39.4 0.64| 6.8 4.3 5000 235 17 174 9| 3.3 0.0 3.3|192.5 -14.4 178.1 35.6 0.64| 6.1 4.0 6000 238 20 191 10| 2.7 0.3 3.0|192.5 -19.4 173.1 28.8 0.60| 5.4 3.2 Wrote GIF file: /home/apache/climate/data/raob//LTBM/skewt/LTBM.skewt.20250424.00.gif