UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025050200.upa.cvt Date: 0000Z 2 MAY 25 Searching for LTBM... Searching the city database file for: LTBM ... Date:0000Z 2 MAY 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 108 1 925 756 SFC 899 997 9.6 7.1 84 2.5 8.2 325 1 291.5 292.7 285.9 311.6 7.05 3 850 1458 8.0 4.8 80 3.2 6.3 125 10 294.5 295.7 286.4 313.0 6.35 4 824 1714 5.8 3.0 82 2.8 4.4 139 10 294.8 295.9 285.9 311.6 5.77 5 775 2213 2.8 1.2 89 1.6 2.0 168 10 296.8 297.8 286.3 312.7 5.39 6 700 3029 -3.5 -4.0 96 0.5 -3.7 215 9 298.6 299.3 285.6 310.8 4.06 7 695 3086 -3.7 -4.6 93 0.9 -4.1 214 9 299.0 299.7 285.6 310.8 3.91 8 610 4110 -8.9 -11.8 79 2.9 -9.9 186 9 304.4 304.8 286.1 312.3 2.54 9 579 4512 -12.1 -14.8 80 2.7 -13.0 176 10 305.2 305.6 286.0 311.8 2.09 10 500 5620 -20.5 -22.4 85 1.9 -21.0 145 10 308.0 308.3 286.1 312.2 1.27 11 486 5829 -21.1 -25.4 68 4.3 -22.0 149 11 309.8 310.0 286.4 313.2 1.00 12 406 7125 -31.9 -37.9 55 6.0 -32.6 173 14 312.2 312.3 286.5 313.5 0.36 13 400 7230 -32.1 -38.1 55 6.0 -32.7 175 14 313.3 313.3 286.9 314.5 0.36 14 392 7372 -34.5 -39.5 60 5.0 -35.0 176 14 311.9 312.0 286.4 313.1 0.32 15 323 8698 -44.3 -51.3 46 7.0 -44.6 182 15 316.2 316.2 287.6 316.6 0.11 16 300 9190 -47.5 -58.5 27 11.0 -47.8 185 15 318.4 318.4 288.3 318.6 0.05 17 279 9670 -48.7 -62.7 18 14.0 -49.0 160 7 323.4 323.4 289.8 323.5 0.03 18 250 10390 -50.7 255 13 330.7 19 209 11554 -53.3 211 21 344.0 20 200 11840 -50.9 200 23 352.2 21 187 12275 -51.5 208 24 358.0 22 150 13700 -52.3 235 27 380.0 23 100 16310 -55.5 230 27 420.5 24 95 16637 -54.1 221 25 429.5 25 70 18580 -56.5 170 10 463.5 26 59 19653 -61.3 157 9 476.0 27 54 20207 -58.3 151 9 495.1 28 50 20690 -59.3 145 9 503.7 29 44 21491 -59.9 131 8 521.0 30 35 22935 -56.3 107 7 565.7 31 30 23920 -54.1 90 6 597.2 32 24 25347 -55.9 142 8 631.3 33 20 26510 -54.9 185 9 668.1 34 18 27193 -52.7 181 10 695.5 35 12 29843 -50.5 167 13 788.8 36 11 30418 -46.5 163 13 823.2 37 10 31060 -42.3 160 14 861.6 38 8.7 32009 -38.7 910.6 39 7.8 32761 -37.3 945.1 40 6.4 34128 -37.1 1001.0 TRP 279 9670 -48.7 -62.7 18 14.0 -49.0 160 7 323.4 323.4 289.8 323.5 0.03 WND Sounding variables and indices 1000-500 mb thick: 5512.00 m Freezing level: 741.67 mb = 2575.88 m = 8450.94 ft Wetbulb zero: 748.72 mb = 2489.81 m = 8168.57 ft Precipitable water: 0.68 inches Sfc-500 mean rel hum: 85.32 % Est. max temperature: 15.36 C = 59.66 F Sfc-Lift cond lev (LCL): 865.49 mb = 1309.48 m = 4296.16 ft T: 8.52 C 700-500 lapse rate: 6.56 C/km ThetaE index: 1.93 C Layer 700.0- 610.0 mb Conv cond level (CCL): 785.72 mb = 2101.41 m = 6894.32 ft Mean mixing ratio: 6.26 g/kg Conv temperature: 14.34 C = 57.80 F Cap Strength: 1.16 C Lifted Index: 0.46 C Risk: Showers probable Lifted Index @300 mb: 4.69 C Lifted Index @700 mb: -0.47 C Showalter Index: -0.01 C Risk: Thunderstorms probable Total Totals Index: 53.80 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 28.50 C Cross Totals Index: 25.30 C K Index: 32.80 Risk: 60-80 % chance of thunderstorms Sweat Index: 183.60 Risk: None Energy Index: -0.18 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 20.67 J/kg Max Up Vert Vel: 6.43 m/s Conv Inhibition (B-): 33.40 J/kg Cap Strength: 1.16 C Lift Cond Lev (LCL): 812.45 mb = 1828.71 m = 5999.63 ft Lev Free Conv (LFC): 717.45 mb = 2831.70 m = 9290.23 ft Equ Level (EL): 667.45 mb = 3403.30 m = 11165.55 ft B at Equ Level: 20.30 J/kg Max Parcel Lev (MPL): 597.45 mb = 4270.24 m = 14009.80 ft Wind level data Storm motion: 197 at 7 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 ---------------------------------------------------------- 0 899 997 325 1 0.6 -0.8 | 12 8 -1.6 -7.8 1 850 1458 125 10 -8.2 5.7 | 83 10 -10.4 -1.2 2 700 3029 215 9 5.2 7.4 | 262 3 3.0 0.4 3 500 5620 145 10 -5.7 8.2 | 99 8 -7.9 1.2 4 400 7230 175 14 -1.2 13.9 | 154 8 -3.4 7.0 5 300 9190 185 15 1.3 14.9 | 174 8 -0.9 8.0 6 279 9670 160 7 -2.4 6.6 | 85 5 -4.6 -0.4 7 250 10390 255 13 12.6 3.4 | 289 11 10.4 -3.6 8 200 11840 200 23 7.9 21.6 | 201 16 5.7 14.6 9 150 13700 235 27 22.1 15.5 | 247 22 19.9 8.5 10 100 16310 230 27 20.7 17.4 | 241 21 18.5 10.4 11 70 18580 170 10 -1.7 9.8 | 126 5 -3.9 2.9 12 50 20690 145 9 -5.2 7.4 | 93 7 -7.4 0.4 13 30 23920 90 6 -6.0 0.0 | 50 11 -8.2 -7.0 14 20 26510 185 9 0.8 9.0 | 145 2 -1.4 2.0 15 10 31060 160 14 -4.8 13.2 | 132 9 -7.0 6.2 Wind Parameters Mean winds (0-6000m): 167.4 at 9.7 knts Storm direction: 197.4 at 7.3 knts Shear (0-3000m) pos: 1.6 neg: 0.7 tot: 2.3 10-3/s Storm rel Dir Shear (0-3000m): 150.2 deg Storm rel helicity (0-3000m) pos: 58.6 neg: -2.1 tot: 56.5 m^2/s^2 ave: 18.8 10^-3 m/s^2 rel: 0.60 Storm rel vorticity (0-3000m) horiz: 6.3 stream: 3.7 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 3.30 Bulk Shear: 6.27 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 ------------------------------------------------------------------------------- 500 123 6 62 8| 11.2 0.0 11.2| 45.7 0.0 45.7 91.4 0.82| 18.8 15.4 1000 135 8 79 8| 5.5 0.0 5.5| 52.7 0.0 52.7 52.7 0.78| 11.9 9.3 1500 148 8 91 7| 3.5 0.0 3.5| 56.2 0.0 56.2 37.5 0.76| 9.6 7.3 2000 160 9 102 5| 2.4 0.0 2.4| 58.6 0.0 58.6 29.3 0.78| 8.4 6.5 2500 171 9 115 4| 1.9 0.4 2.3| 58.6 -0.9 57.7 23.1 0.69| 7.1 4.9 3000 177 9 124 3| 1.6 0.7 2.3| 58.6 -2.1 56.5 18.8 0.60| 6.3 3.7 4000 176 9 125 3| 1.2 1.0 2.3| 58.6 -5.2 53.4 13.4 0.46| 5.3 2.4 5000 169 9 118 4| 1.1 1.0 2.1| 61.7 -8.3 53.4 10.7 0.41| 4.7 1.9 6000 167 10 120 5| 1.3 0.9 2.2| 71.2 -8.3 62.9 10.5 0.46| 4.3 2.0 Wrote GIF file: /home/apache/climate/data/raob//LTBM/skewt/LTBM.skewt.20250502.00.gif