UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042912.upa.cvt Date: 1200Z 29 APR 25 Searching for LTBM... Searching the city database file for: LTBM ... Date:1200Z 29 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 63 1 925 736 SFC 898 997 20.6 7.6 43 13.0 12.8 25 10 302.9 304.3 290.2 324.8 7.31 3 868 1285 18.0 4.0 39 14.0 10.2 109 8 303.2 304.3 289.0 320.9 5.88 4 850 1462 16.6 1.6 36 15.0 8.5 160 7 303.5 304.5 288.3 318.9 5.05 5 713 2918 2.2 -7.8 48 10.0 -2.0 165 12 303.3 303.9 286.2 312.5 2.98 6 700 3066 0.6 -9.4 47 10.0 -3.4 165 12 303.1 303.6 285.8 311.5 2.68 7 633 3864 -6.7 -11.7 68 5.0 -8.5 169 13 303.7 304.1 285.8 311.4 2.46 8 615 4089 -7.9 -12.9 67 5.0 -9.6 171 13 304.8 305.2 286.1 312.1 2.30 9 593 4371 -9.9 -17.9 52 8.0 -12.3 172 13 305.7 306.0 285.6 310.8 1.58 10 517 5419 -15.7 -36.7 15 21.0 -19.1 179 14 310.9 311.0 286.1 312.0 0.32 11 511 5507 -16.5 -36.5 16 20.0 -19.7 179 14 311.0 311.0 286.1 312.1 0.33 12 500 5670 -18.3 -38.3 16 20.0 -21.2 180 14 310.7 310.8 285.9 311.7 0.28 13 400 7290 -31.5 -55.5 8 24.0 -32.9 205 19 314.0 314.1 286.8 314.2 0.05 14 377 7707 -34.7 -59.7 6 25.0 -35.9 202 19 315.2 315.2 287.2 315.3 0.03 15 300 9260 -47.7 190 20 318.1 16 255 10323 -54.5 205 15 323.2 17 250 10450 -54.7 210 14 324.7 18 246 10552 -54.9 212 15 325.9 19 205 11713 -54.1 232 22 344.7 20 200 11870 -55.5 235 23 344.9 21 154 13541 -54.5 276 27 373.4 22 150 13710 -54.7 280 27 375.8 23 100 16300 -57.1 250 21 417.4 24 81 17631 -59.1 274 15 439.2 25 70 18550 -58.5 290 11 459.2 26 50 20660 -58.9 205 13 504.7 27 38 22389 -56.7 245 12 551.5 28 30 23890 -55.5 280 11 593.3 29 20 26500 -52.7 300 11 674.9 30 16 27952 -52.7 289 14 719.3 31 11 30429 -44.7 270 18 829.8 32 10 31070 -44.5 265 19 853.4 33 9.3 31558 -43.1 876.7 TRP 255 10323 -54.5 205 15 323.2 WND Sounding variables and indices 1000-500 mb thick: 5607.00 m Freezing level: 694.49 mb = 3131.55 m = 10273.99 ft Wetbulb zero: 738.76 mb = 2623.85 m = 8608.33 ft Precipitable water: 0.49 inches Sfc-500 mean rel hum: 43.39 % Est. max temperature: 21.11 C = 70.00 F Sfc-Lift cond lev (LCL): 740.18 mb = 2608.03 m = 8556.43 ft T: 5.26 C 700-500 lapse rate: 7.26 C/km ThetaE index: 13.41 C Layer 868.0- 615.0 mb Conv cond level (CCL): 688.94 mb = 3192.22 m = 10473.02 ft Mean mixing ratio: 5.34 g/kg Conv temperature: 20.91 C = 69.63 F Cap Strength: -0.10 C Lifted Index: -1.65 C Risk: Thunderstorms probable Lifted Index @300 mb: -0.49 C Lifted Index @700 mb: -0.20 C Showalter Index: -1.27 C Risk: Thunderstorms probable Total Totals Index: 54.80 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 34.90 C Cross Totals Index: 19.90 C K Index: 26.50 Risk: 40-60 % chance of thunderstorms Sweat Index: 163.20 Risk: None Energy Index: -1.42 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 369.73 J/kg Max Up Vert Vel: 27.19 m/s Conv Inhibition (B-): 2.90 J/kg Cap Strength: 0.16 C Lift Cond Lev (LCL): 687.68 mb = 3206.76 m = 10520.74 ft Lev Free Conv (LFC): 682.68 mb = 3264.61 m = 10710.52 ft Equ Level (EL): 282.68 mb = 9648.83 m = 31655.89 ft B at Equ Level: 362.88 J/kg Max Parcel Lev (MPL): 222.68 mb = 11186.41 m = 36700.37 ft Wind level data Storm motion: 206 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 ---------------------------------------------------------- 0 898 997 25 10 -4.2 -9.1 | 25 19 -8.3 -17.5 1 850 1462 160 7 -2.4 6.6 | 74 7 -6.4 -1.9 2 700 3066 165 12 -3.1 11.6 | 114 8 -7.2 3.1 3 500 5670 180 14 0.0 14.0 | 144 7 -4.1 5.5 4 400 7290 205 19 8.0 17.2 | 204 10 4.0 8.8 5 300 9260 190 20 3.5 19.7 | 177 11 -0.6 11.2 6 255 10323 205 15 6.3 13.6 | 204 6 2.3 5.1 7 250 10450 210 14 7.0 12.1 | 219 5 2.9 3.7 8 200 11870 235 23 18.8 13.2 | 252 16 14.8 4.7 9 150 13710 280 27 26.6 -4.7 | 300 26 22.5 -13.1 10 100 16300 250 21 19.7 7.2 | 275 16 15.7 -1.3 11 70 18550 290 11 10.3 -3.8 | 333 14 6.3 -12.2 12 50 20660 205 13 5.5 11.8 | 203 4 1.4 3.3 13 30 23890 280 11 10.8 -1.9 | 327 12 6.8 -10.4 14 20 26500 300 11 9.5 -5.5 | 339 15 5.5 -14.0 15 10 31070 265 19 18.9 1.7 | 295 16 14.9 -6.8 Wind Parameters Mean winds (0-6000m): 175.6 at 12.5 knts Storm direction: 205.6 at 9.4 knts Shear (0-3000m) pos: 3.7 neg: 0.0 tot: 3.7 10-3/s Storm rel Dir Shear (0-3000m): 98.1 deg Storm rel helicity (0-3000m) pos: 68.1 neg: 0.0 tot: 68.1 m^2/s^2 ave: 22.7 10^-3 m/s^2 rel: 0.74 Storm rel vorticity (0-3000m) horiz: 4.5 stream: 3.3 10^-3/s Energy-Hel index: 0.15 Bulk Rich Number: 10.88 Bulk Shear: 33.99 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 77 8 50 16| 16.3 0.0 16.3| 56.6 0.0 56.6 113.1 0.67| 20.7 13.8 1000 138 8 76 10| 8.9 0.0 8.9| 59.4 0.0 59.4 59.4 0.69| 11.2 7.7 1500 151 9 83 8| 6.5 0.0 6.5| 62.2 0.0 62.2 41.5 0.71| 8.0 5.7 2000 157 9 90 8| 5.3 0.0 5.3| 65.1 0.0 65.1 32.5 0.72| 6.4 4.6 2500 159 10 95 8| 4.4 0.0 4.4| 66.7 0.0 66.7 26.7 0.73| 5.3 3.9 3000 162 10 100 7| 3.7 0.0 3.7| 68.1 0.0 68.1 22.7 0.74| 4.5 3.3 4000 166 11 108 7| 2.9 0.0 2.9| 70.9 0.0 70.9 17.7 0.75| 3.6 2.7 5000 170 12 116 7| 2.5 0.0 2.5| 75.8 0.0 75.8 15.2 0.77| 3.2 2.4 6000 176 13 129 6| 2.4 0.0 2.4| 86.3 0.0 86.3 14.4 0.80| 3.1 2.5 Wrote GIF file: /home/apache/climate/data/raob//LTBM/skewt/LTBM.skewt.20250429.12.gif