UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042812.upa.cvt Date: 1200Z 28 APR 25 Searching for LTBM... Searching the city database file for: LTBM ... Date:1200Z 28 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 111 1 925 778 SFC 902 997 18.2 8.2 52 10.0 12.3 40 17 300.1 301.5 289.5 322.5 7.58 3 887 1139 15.2 5.2 51 10.0 9.6 51 19 298.4 299.5 287.7 316.9 6.26 4 850 1496 11.6 4.6 62 7.0 7.8 80 23 298.3 299.4 287.7 316.8 6.26 5 839 1605 11.6 3.6 58 8.0 7.3 85 22 299.4 300.5 287.8 317.0 5.91 6 700 3090 -0.5 -4.7 73 4.2 -2.4 150 13 301.9 302.6 286.6 313.7 3.85 7 651 3667 -4.5 -8.6 73 4.1 -6.1 155 14 303.7 304.3 286.5 313.2 3.07 8 633 3887 -6.1 -10.6 70 4.5 -7.8 157 15 304.4 304.9 286.3 312.8 2.69 9 620 4049 -6.7 -12.7 62 6.0 -8.8 159 15 305.5 305.9 286.3 312.8 2.32 10 619 4062 -6.7 -12.7 62 6.0 -8.8 159 15 305.6 306.1 286.4 313.0 2.32 11 616 4100 -6.5 -13.5 58 7.0 -8.9 159 15 306.3 306.7 286.5 313.2 2.19 12 601 4293 -6.5 -24.5 22 18.0 -11.2 161 16 308.4 308.6 285.8 311.4 0.87 13 599 4319 -6.9 -22.9 27 16.0 -11.2 162 16 308.3 308.5 285.9 311.6 1.01 14 564 4786 -11.1 -18.1 56 7.0 -13.2 166 17 308.7 309.0 286.7 314.0 1.63 15 562 4813 -11.1 -19.1 52 8.0 -13.4 166 17 309.0 309.3 286.7 313.9 1.50 16 500 5700 -18.1 -22.7 67 4.6 -19.2 175 19 311.0 311.2 287.1 315.1 1.23 17 476 6064 -21.3 -27.3 58 6.0 -22.5 185 19 311.4 311.6 286.8 314.3 0.86 18 426 6871 -27.5 -39.5 31 12.0 -28.9 207 20 313.5 313.6 286.9 314.6 0.29 19 400 7320 -30.7 -36.7 56 6.0 -31.4 220 20 315.1 315.2 287.6 316.6 0.41 20 382 7645 -33.5 -39.5 55 6.0 -34.1 217 20 315.6 315.6 287.7 316.7 0.32 21 333 8592 -41.9 -50.9 37 9.0 -42.3 207 19 316.7 316.7 287.8 317.1 0.11 22 300 9290 -48.1 -55.1 44 7.0 -48.3 200 19 317.6 317.6 288.1 317.8 0.07 23 250 10470 -55.9 250 17 323.0 24 228 11053 -59.1 250 21 326.7 25 224 11164 -59.5 248 21 327.7 26 200 11870 -61.7 235 23 335.1 27 193 12092 -59.7 236 22 341.7 28 150 13680 -56.1 245 18 373.4 29 140 14119 -55.5 243 20 381.9 30 114 15420 -58.5 238 26 399.4 31 101 16178 -60.5 235 30 409.7 32 100 16240 -60.9 235 30 410.1 33 77 17859 -63.5 246 10 436.5 34 70 18450 -60.7 250 3 454.5 35 67 18722 -61.7 268 3 458.1 36 50 20540 -60.5 25 6 500.9 37 47 20923 -61.7 6 7 507.0 38 47 20923 -61.7 6 7 507.0 39 30 23730 -56.1 230 12 591.7 40 27 24403 -56.7 235 14 608.1 41 27 24403 -56.7 235 14 608.1 42 20 26320 -55.5 250 19 666.3 43 15 28157 -51.1 254 17 738.1 44 15 28157 -51.1 254 17 738.1 45 10 30820 -44.1 260 15 854.9 46 8.4 32003 -39.1 918.3 47 8.3 32084 -40.1 917.5 48 8.1 32251 -39.3 927.1 49 6.5 33766 -37.1 996.6 TRP 228 11053 -59.1 250 21 326.7 WND Sounding variables and indices 1000-500 mb thick: 5589.00 m Freezing level: 705.74 mb = 3028.64 m = 9936.37 ft Wetbulb zero: 734.26 mb = 2698.34 m = 8852.72 ft Precipitable water: 0.63 inches Sfc-500 mean rel hum: 60.54 % Est. max temperature: 19.10 C = 66.38 F Sfc-Lift cond lev (LCL): 776.93 mb = 2235.24 m = 7333.38 ft T: 6.47 C 700-500 lapse rate: 6.74 C/km ThetaE index: 5.70 C Layer 887.0- 839.0 mb Conv cond level (CCL): 726.47 mb = 2785.73 m = 9139.41 ft Mean mixing ratio: 6.09 g/kg Conv temperature: 19.54 C = 67.18 F Cap Strength: 1.79 C Lifted Index: -0.07 C Risk: Thunderstorms probable Lifted Index @300 mb: 0.72 C Lifted Index @700 mb: 0.30 C Showalter Index: 0.10 C Risk: Thunderstorms probable Total Totals Index: 52.40 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 29.70 C Cross Totals Index: 22.70 C K Index: 30.10 Risk: 60-80 % chance of thunderstorms Sweat Index: 188.20 Risk: None Energy Index: -0.34 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 31.19 J/kg Max Up Vert Vel: 7.90 m/s Conv Inhibition (B-): 57.17 J/kg Cap Strength: 1.79 C Lift Cond Lev (LCL): 751.47 mb = 2508.36 m = 8229.44 ft Lev Free Conv (LFC): 666.47 mb = 3479.98 m = 11417.13 ft Equ Level (EL): 616.47 mb = 4094.15 m = 13432.09 ft B at Equ Level: 12.39 J/kg Max Parcel Lev (MPL): 596.47 mb = 4351.93 m = 14277.80 ft Wind level data Storm motion: 182 at 13 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 ---------------------------------------------------------- 0 902 997 40 17 -10.9 -13.0 | 24 29 -11.4 -26.2 1 850 1496 80 23 -22.7 -4.0 | 53 29 -23.1 -17.2 2 700 3090 150 13 -6.5 11.3 | 75 7 -7.0 -1.9 3 500 5700 175 19 -1.7 18.9 | 160 6 -2.1 5.7 4 400 7320 220 20 12.9 15.3 | 260 13 12.4 2.1 5 300 9290 200 19 6.5 17.9 | 232 8 6.0 4.7 6 250 10470 250 17 16.0 5.8 | 295 17 15.5 -7.4 7 228 11053 250 21 19.7 7.2 | 287 20 19.2 -6.0 8 200 11870 235 23 18.8 13.2 | 270 18 18.4 0.0 9 150 13680 245 18 16.3 7.6 | 289 17 15.8 -5.6 10 100 16240 235 30 24.6 17.2 | 261 24 24.1 4.0 11 70 18450 250 3 2.8 1.0 | 349 12 2.3 -12.2 12 50 20540 25 6 -2.5 -5.4 | 9 19 -3.0 -18.6 13 30 23730 230 12 9.2 7.7 | 302 10 8.7 -5.5 14 20 26320 250 19 17.9 6.5 | 291 19 17.4 -6.7 15 10 30820 260 15 14.8 2.6 | 307 18 14.3 -10.6 Wind Parameters Mean winds (0-6000m): 152.1 at 17.6 knts Storm direction: 182.1 at 13.2 knts Shear (0-3000m) pos: 4.7 neg: 0.0 tot: 4.7 10-3/s Storm rel Dir Shear (0-3000m): 74.7 deg Storm rel helicity (0-3000m) pos: 174.7 neg: -0.9 tot: 173.8 m^2/s^2 ave: 57.9 10^-3 m/s^2 rel: 0.63 Storm rel vorticity (0-3000m) horiz: 7.3 stream: 4.5 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 0.34 Bulk Shear: 92.18 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 63 20 40 29| 15.2 0.0 15.2|116.3 0.0 116.3 232.5 1.00| 15.6 15.6 1000 77 21 49 27| 9.8 0.0 9.8|152.6 0.0 152.6 152.6 0.86| 12.3 10.6 1500 87 20 55 25| 7.7 0.0 7.7|167.9 0.0 167.9 111.9 0.75| 10.9 8.1 2000 92 19 57 23| 6.3 0.0 6.3|170.0 -0.4 169.6 84.8 0.63| 9.8 6.2 2500 100 18 61 21| 5.3 0.0 5.3|172.1 -0.9 171.2 68.5 0.61| 8.4 5.1 3000 109 17 65 18| 4.7 0.0 4.7|174.7 -0.9 173.8 57.9 0.63| 7.3 4.5 4000 125 17 76 15| 4.0 0.0 4.0|180.0 -0.9 179.1 44.8 0.65| 5.9 3.9 5000 139 17 89 12| 3.5 0.0 3.5|188.3 -0.9 187.4 37.5 0.69| 5.3 3.6 6000 152 18 105 9| 3.1 0.0 3.1|204.9 -0.9 204.0 34.0 0.72| 5.2 3.7 Wrote GIF file: /home/apache/climate/data/raob//LTBM/skewt/LTBM.skewt.20250428.12.gif