UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025110800.upa.cvt Date: 0000Z 8 NOV 25 Searching for LTBM... Searching the city database file for: LTBM ... Date:0000Z 8 NOV 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 177 1 925 825 SFC 906 997 9.8 8.0 89 1.8 8.8 0 0 291.1 292.4 286.1 312.3 7.44 3 860 1432 10.2 6.0 75 4.2 7.9 131 10 295.8 297.1 287.3 315.7 6.83 4 850 1530 9.6 5.8 77 3.8 7.5 160 12 296.2 297.4 287.5 316.1 6.81 5 743 2637 2.8 -0.4 79 3.2 1.3 188 11 300.4 301.3 287.2 315.4 5.00 6 710 3003 -0.7 -1.6 94 0.9 -1.2 197 10 300.5 301.4 287.1 314.9 4.79 7 700 3117 -1.5 -2.3 94 0.8 -1.9 200 10 300.8 301.7 287.0 314.7 4.62 8 691 3220 0.0 -1.5 90 1.5 -0.7 203 10 303.6 304.5 288.3 318.7 4.96 9 679 3361 0.2 -5.8 64 6.0 -2.4 207 11 305.4 306.0 287.6 316.7 3.65 10 660 3588 -0.5 -13.5 37 13.0 -5.3 213 12 307.1 307.4 286.6 313.6 2.04 11 636 3883 -2.7 -13.7 42 11.0 -6.7 221 13 307.8 308.2 286.9 314.5 2.09 12 591 4461 -6.3 -16.3 45 10.0 -9.6 238 15 310.2 310.5 287.5 316.1 1.81 13 559 4894 -9.1 -22.1 34 13.0 -12.7 250 16 311.8 312.1 287.3 315.7 1.16 14 550 5020 -8.7 -27.7 20 19.0 -13.3 254 16 313.8 313.9 287.5 316.2 0.71 15 500 5750 -15.3 -30.3 27 15.0 -18.4 275 19 314.4 314.5 287.6 316.5 0.62 16 444 6638 -21.1 -43.1 12 22.0 -23.9 283 22 317.9 318.0 288.3 318.6 0.19 17 400 7400 -26.7 -50.7 8 24.0 -28.8 290 25 320.3 320.3 288.9 320.6 0.09 18 373 7899 -30.9 -51.9 11 21.0 -32.4 289 26 321.2 321.2 289.2 321.5 0.08 19 360 8148 -33.3 -52.3 13 19.0 -34.6 288 26 321.2 321.3 289.2 321.6 0.08 20 300 9400 -42.9 -53.9 29 11.0 -43.4 285 29 324.9 324.9 290.3 325.2 0.08 21 260 10354 -50.3 -62.3 23 12.0 -50.6 269 27 327.6 327.6 291.0 327.7 0.03 22 250 10610 -52.3 -63.3 25 11.0 -52.5 265 26 328.3 328.3 291.3 328.4 0.03 23 224 11313 -57.3 250 33 331.1 24 212 11661 -57.1 250 33 336.7 25 200 12030 -57.1 250 33 342.3 26 150 13830 -60.1 230 35 366.5 27 120 15219 -63.5 236 37 384.5 28 100 16340 -65.1 240 38 401.9 29 84 17393 -65.5 245 35 421.7 30 70 18500 -63.7 250 31 448.1 31 64 19055 -60.7 253 32 466.3 32 50 20590 -62.3 260 35 496.7 33 44 21377 -61.7 261 39 516.6 34 34 22971 -61.1 264 46 557.7 35 30 23750 -58.7 265 50 584.6 36 29 23964 -58.7 265 52 590.3 37 22 25712 -57.9 269 65 641.2 38 20 26320 -54.3 270 70 670.0 39 18 26996 -53.3 269 73 693.6 40 13 29092 -52.9 267 83 762.7 41 10 30780 -53.9 265 91 818.4 42 9.0 31464 -49.2 270 100 861.5 43 8.9 31537 -48.7 866.2 44 7.3 32846 -46.7 924.8 45 7.2 32937 -46.7 928.5 TRP 224 11313 -57.3 250 33 331.1 WND 9.0 31464 -49.2 270 100 861.5 Sounding variables and indices 1000-500 mb thick: 5573.00 m Freezing level: 716.60 mb = 2930.08 m = 9613.01 ft Freezing level: 691.00 mb = 3220.39 m = 10565.44 ft Freezing level: 673.57 mb = 3425.70 m = 11239.05 ft Wetbulb zero: 725.83 mb = 2825.48 m = 9269.85 ft Precipitable water: 0.66 inches Sfc-500 mean rel hum: 57.93 % Est. max temperature: 18.38 C = 65.09 F Sfc-Lift cond lev (LCL): 881.58 mb = 1225.25 m = 4019.80 ft T: 10.01 C 700-500 lapse rate: 5.24 C/km ThetaE index: 1.36 C Layer 743.0- 691.0 mb Conv cond level (CCL): 763.90 mb = 2408.55 m = 7901.96 ft Mean mixing ratio: 6.78 g/kg Conv temperature: 18.07 C = 64.52 F Cap Strength: 5.23 C Lifted Index: 3.90 C Risk: None Lifted Index @300 mb: 7.30 C Lifted Index @700 mb: 0.24 C Showalter Index: 3.31 C Risk: None Total Totals Index: 46.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.90 C Cross Totals Index: 21.10 C K Index: 29.90 Risk: 40-60 % chance of thunderstorms Sweat Index: 112.60 Risk: None Energy Index: 0.15 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 27.77 J/kg Max Up Vert Vel: 7.45 m/s Conv Inhibition (B-): 55721.11 J/kg Cap Strength: 5.04 C Lift Cond Lev (LCL): 811.52 mb = 1911.11 m = 6269.97 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 277 at 11 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 ---------------------------------------------------------- 0 906 997 0 0 -0.0 -0.0 | 97 11 -10.7 1.3 1 850 1530 160 12 -4.1 11.3 | 130 19 -14.8 12.5 2 700 3117 200 10 3.4 9.4 | 146 13 -7.3 10.7 3 500 5750 275 19 18.9 -1.7 | 273 8 8.2 -0.4 4 400 7400 290 25 23.5 -8.6 | 300 15 12.8 -7.3 5 300 9400 285 29 28.0 -7.5 | 290 18 17.3 -6.2 6 250 10610 265 26 25.9 2.3 | 257 16 15.2 3.5 7 224 11313 250 33 31.0 11.3 | 238 24 20.3 12.6 8 200 12030 250 33 31.0 11.3 | 238 24 20.3 12.6 9 150 13830 230 35 26.8 22.5 | 214 29 16.1 23.8 10 100 16340 240 38 32.9 19.0 | 228 30 22.2 20.3 11 70 18500 250 31 29.1 10.6 | 237 22 18.4 11.9 12 50 20590 260 35 34.5 6.1 | 253 25 23.8 7.3 13 30 23750 265 50 49.8 4.4 | 262 40 39.1 5.6 14 20 26320 270 70 70.0 -0.0 | 269 59 59.3 1.3 15 10 30780 265 91 90.7 7.9 | 263 80 80.0 9.2 Wind Parameters Mean winds (0-6000m): 246.8 at 14.4 knts Storm direction: 276.8 at 10.8 knts Shear (0-3000m) pos: 2.2 neg: 0.0 tot: 2.2 10-3/s Storm rel Dir Shear (0-3000m): 75.2 deg Storm rel helicity (0-3000m) pos: 106.1 neg: -6.3 tot: 99.7 m^2/s^2 ave: 33.2 10^-3 m/s^2 rel: 0.63 Storm rel vorticity (0-3000m) horiz: 6.0 stream: 3.8 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.93 Bulk Shear: 29.97 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 ------------------------------------------------------------------------------- 500 161 6 118 14| 11.6 0.0 11.6| 58.9 -6.3 52.6 105.1 0.53| 19.6 10.4 1000 164 9 126 16| 5.9 0.0 5.9| 78.0 -6.3 71.7 71.7 0.59| 12.1 7.1 1500 169 9 130 16| 3.7 0.0 3.7| 84.5 -6.3 78.2 52.1 0.59| 8.9 5.3 2000 174 10 133 16| 2.6 0.0 2.6| 88.6 -6.3 82.3 41.2 0.58| 7.3 4.2 2500 180 10 136 15| 2.3 0.0 2.3| 96.7 -6.3 90.3 36.1 0.60| 6.5 3.9 3000 188 10 141 15| 2.2 0.0 2.2|106.1 -6.3 99.7 33.2 0.63| 6.0 3.8 4000 207 11 154 13| 2.1 0.0 2.1|124.0 -6.3 117.7 29.4 0.69| 5.5 3.8 5000 229 13 174 10| 2.0 0.0 2.0|140.2 -6.3 133.8 26.8 0.73| 5.3 3.8 6000 247 14 200 7| 2.0 0.0 2.0|149.3 -6.3 143.0 23.8 0.72| 4.8 3.5 Wrote GIF file: /home/apache/climate/data/raob//LTBM/skewt/LTBM.skewt.20251108.00.gif