UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041900.upa.cvt Date: 0000Z 19 APR 25 Searching for LTBM... Searching the city database file for: LTBM ... Date:0000Z 19 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 121 1 925 777 SFC 901 997 13.0 7.0 67 6.0 9.6 280 2 294.8 296.1 287.1 315.1 6.99 3 898 1025 14.0 8.0 67 6.0 10.5 278 2 296.1 297.5 288.1 318.0 7.51 4 890 1101 15.2 7.2 59 8.0 10.6 273 2 298.1 299.4 288.5 319.2 7.17 5 878 1216 16.8 7.8 55 9.0 11.4 264 3 300.9 302.3 289.8 323.4 7.58 6 868 1314 16.6 5.6 48 11.0 10.3 258 3 301.7 302.9 289.2 321.4 6.58 7 850 1492 16.4 5.4 48 11.0 10.1 245 4 303.3 304.5 289.8 323.2 6.63 8 823 1767 14.8 6.8 59 8.0 10.1 243 6 304.4 305.8 290.9 327.2 7.55 9 776 2263 11.0 5.0 66 6.0 7.6 238 10 305.5 306.8 290.8 326.9 7.06 10 700 3115 4.0 0.5 78 3.5 2.2 230 16 306.9 308.0 290.0 324.3 5.67 11 682 3327 3.0 -2.0 70 5.0 0.5 230 17 308.1 309.0 289.7 323.1 4.84 12 680 3351 3.2 -3.8 60 7.0 -0.2 230 17 308.6 309.4 289.3 321.8 4.25 13 662 3568 2.2 -6.8 51 9.0 -1.8 231 17 309.8 310.5 289.0 320.8 3.47 14 616 4145 -3.5 -8.5 68 5.0 -5.6 232 19 309.7 310.3 288.8 320.1 3.27 15 575 4686 -8.3 -13.3 67 5.0 -10.1 233 21 310.3 310.7 288.1 317.9 2.38 16 561 4878 -8.1 -18.1 44 10.0 -11.3 233 22 312.7 313.0 288.1 318.1 1.64 17 536 5230 -11.9 -21.9 43 10.0 -14.6 234 23 312.3 312.5 287.5 316.4 1.23 18 500 5760 -15.7 -27.7 35 12.0 -18.3 235 25 313.9 314.0 287.6 316.6 0.78 19 482 6035 -18.1 -25.1 54 7.0 -19.7 237 27 314.2 314.4 288.0 317.8 1.03 20 403 7346 -27.5 -37.5 38 10.0 -28.8 249 37 318.6 318.6 288.7 319.9 0.38 21 400 7400 -27.1 -38.1 34 11.0 -28.5 250 37 319.8 319.8 289.0 321.1 0.36 22 311 9157 -41.7 -57.7 16 16.0 -42.3 263 43 323.2 323.3 289.8 323.4 0.05 23 300 9400 -43.7 -59.7 15 16.0 -44.2 265 44 323.8 323.8 289.9 323.9 0.04 24 272 10051 -48.7 -62.7 18 14.0 -49.0 265 42 325.7 325.7 290.5 325.8 0.03 25 250 10600 -52.5 265 41 328.0 26 238 10918 -54.1 275 40 330.2 27 220 11421 -55.9 277 44 335.0 28 200 12030 -55.5 280 48 344.9 29 150 13870 -55.5 295 47 374.5 30 148 13956 -55.9 294 46 375.2 31 122 15178 -59.1 280 33 390.7 32 106 16057 -61.1 269 24 402.9 33 100 16420 -60.5 265 20 410.8 34 94 16803 -62.3 266 18 414.6 35 79 17873 -62.9 268 14 434.5 36 70 18620 -60.7 270 11 454.5 37 59 19682 -61.5 318 13 475.5 38 50 20700 -64.9 5 15 490.5 39 46 21211 -63.5 17 15 505.8 40 30 23880 -57.1 80 12 589.0 41 20 26450 -55.3 25 10 666.9 42 19 26778 -53.5 20 11 682.4 43 14 28760 -49.3 349 16 758.9 44 12 29772 -48.1 333 18 797.3 45 11 30347 -47.1 325 19 821.0 46 10 30980 -45.1 315 21 851.2 47 9.7 31184 -43.1 866.2 48 8.6 32001 -39.7 909.8 49 8.0 32497 -38.9 932.0 TRP 238 10918 -54.1 275 40 330.2 WND Sounding variables and indices 1000-500 mb thick: 5639.00 m Freezing level: 644.25 mb = 3790.87 m = 12437.09 ft Wetbulb zero: 680.44 mb = 3345.42 m = 10975.65 ft Precipitable water: 0.80 inches Sfc-500 mean rel hum: 58.87 % Est. max temperature: 23.85 C = 74.93 F Sfc-Lift cond lev (LCL): 823.02 mb = 1766.66 m = 5796.06 ft T: 14.80 C 700-500 lapse rate: 7.45 C/km ThetaE index: 9.23 C Layer 776.0- 561.0 mb Conv cond level (CCL): 690.44 mb = 3226.87 m = 10586.70 ft Mean mixing ratio: 7.14 g/kg Conv temperature: 25.35 C = 77.64 F Cap Strength: 3.50 C Lifted Index: -1.28 C Risk: Thunderstorms probable Lifted Index @300 mb: 0.75 C Lifted Index @700 mb: 2.11 C Showalter Index: -1.07 C Risk: Thunderstorms probable Total Totals Index: 53.20 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 32.10 C Cross Totals Index: 21.10 C K Index: 34.00 Risk: 60-80 % chance of thunderstorms Sweat Index: 181.80 Risk: None Energy Index: -1.25 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 165.53 J/kg Max Up Vert Vel: 18.20 m/s Conv Inhibition (B-): 219.69 J/kg Cap Strength: 3.50 C Lift Cond Lev (LCL): 742.67 mb = 2625.64 m = 8614.20 ft Lev Free Conv (LFC): 597.67 mb = 4382.24 m = 14377.25 ft Equ Level (EL): 557.67 mb = 4923.84 m = 16154.13 ft B at Equ Level: 41.70 J/kg Max Parcel Lev (MPL): 237.67 mb = 10926.44 m = 35847.48 ft Wind level data Storm motion: 266 at 14 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 ---------------------------------------------------------- 0 901 997 280 2 2.0 -0.3 | 84 12 -11.8 -1.2 1 850 1492 245 4 3.6 1.7 | 94 10 -10.1 0.8 2 700 3115 230 16 12.3 10.3 | 171 10 -1.5 9.4 3 500 5760 235 25 20.5 14.3 | 207 15 6.7 13.4 4 400 7400 250 37 34.8 12.7 | 241 24 21.0 11.8 5 300 9400 265 44 43.8 3.8 | 264 30 30.1 2.9 6 250 10600 265 41 40.8 3.6 | 264 27 27.1 2.7 7 238 10918 275 40 39.8 -3.5 | 280 26 26.1 -4.4 8 200 12030 280 48 47.3 -8.3 | 285 35 33.5 -9.2 9 150 13870 295 47 42.6 -19.9 | 306 36 28.8 -20.8 10 100 16420 265 20 19.9 1.7 | 262 6 6.2 0.8 11 70 18620 270 11 11.0 -0.0 | 72 3 -2.8 -0.9 12 50 20700 5 15 -1.3 -14.9 | 44 22 -15.1 -15.8 13 30 23880 80 12 -11.8 -2.1 | 83 26 -25.6 -3.0 14 20 26450 25 10 -4.2 -9.1 | 61 21 -18.0 -10.0 15 10 30980 315 21 14.8 -14.8 | 356 16 1.1 -15.7 Wind Parameters Mean winds (0-6000m): 236.3 at 18.4 knts Storm direction: 266.3 at 13.8 knts Shear (0-3000m) pos: 0.3 neg: 2.8 tot: 3.1 10-3/s Storm rel Dir Shear (0-3000m): 102.0 deg Storm rel helicity (0-3000m) pos: 34.2 neg: 0.0 tot: 34.2 m^2/s^2 ave: 11.4 10^-3 m/s^2 rel: 0.83 Storm rel vorticity (0-3000m) horiz: 3.1 stream: 2.6 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 5.14 Bulk Shear: 32.22 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 ------------------------------------------------------------------------------- 500 256 3 89 11| 0.0 2.7 2.7| 5.6 0.0 5.6 11.2 0.72| 2.8 2.0 1000 247 4 95 10| 0.0 3.3 3.3| 11.8 0.0 11.8 11.8 0.72| 3.3 2.4 1500 241 6 104 9| 0.0 3.5 3.5| 18.7 0.0 18.7 12.5 0.81| 3.5 2.9 2000 236 8 116 8| 0.0 3.6 3.6| 25.5 0.0 25.5 12.8 0.83| 3.6 3.0 2500 234 10 128 8| 0.0 3.3 3.3| 30.1 0.0 30.1 12.1 0.83| 3.4 2.8 3000 233 11 139 8| 0.3 2.8 3.1| 34.2 0.0 34.2 11.4 0.83| 3.1 2.6 4000 233 14 158 8| 0.7 2.1 2.7| 42.8 0.0 42.8 10.7 0.82| 2.8 2.3 5000 234 16 173 9| 1.0 1.7 2.7| 56.5 0.0 56.5 11.3 0.81| 2.7 2.2 6000 236 18 189 9| 1.5 1.4 2.9| 90.7 0.0 90.7 15.1 0.80| 3.0 2.4 Wrote GIF file: /home/apache/climate/data/raob//LTBM/skewt/LTBM.skewt.20250419.00.gif