UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025112900.upa.cvt Date: 0000Z 29 NOV 25 Searching for LTBM... Searching the city database file for: LTBM ... Date:0000Z 29 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 179 1 925 820 SFC 905 997 6.8 3.6 80 3.2 5.2 255 1 288.1 289.0 282.8 303.6 5.48 3 895 1089 9.0 4.0 71 5.0 6.4 241 3 291.2 292.3 284.4 307.6 5.70 4 884 1192 10.4 4.4 66 6.0 7.2 225 6 293.7 294.8 285.7 310.9 5.93 5 850 1519 9.2 2.2 62 7.0 5.6 175 14 295.8 296.7 285.8 311.3 5.28 6 835 1666 8.0 2.0 66 6.0 4.9 180 15 296.0 297.0 285.9 311.6 5.30 7 828 1736 7.6 2.6 71 5.0 5.0 182 15 296.3 297.3 286.3 312.7 5.58 8 777 2257 4.2 0.6 77 3.6 2.4 198 17 298.1 299.0 286.5 313.4 5.15 9 769 2341 4.2 -1.8 65 6.0 1.4 201 17 299.0 299.8 286.1 312.0 4.36 10 768 2352 4.2 -2.8 60 7.0 1.0 201 17 299.1 299.8 285.8 311.3 4.05 11 755 2491 4.0 -5.0 52 9.0 0.0 206 18 300.3 301.0 285.7 311.0 3.49 12 700 3101 -1.1 -10.1 50 9.0 -4.6 225 20 301.3 301.7 284.9 309.1 2.53 13 657 3605 -4.3 -17.3 36 13.0 -8.4 225 23 303.2 303.4 284.5 308.0 1.50 14 655 3629 -4.3 -19.3 30 15.0 -8.8 225 24 303.4 303.7 284.4 307.5 1.27 15 594 4397 -7.3 -42.3 4 35.0 -13.1 225 29 308.6 308.6 285.0 309.1 0.16 16 558 4883 -10.1 -42.1 5 32.0 -15.2 225 32 310.8 310.8 285.8 311.4 0.17 17 525 5351 -14.1 -42.1 7 28.0 -18.2 225 35 311.5 311.5 286.1 312.1 0.18 18 500 5720 -17.1 -44.1 8 27.0 -20.6 225 38 312.2 312.2 286.3 312.8 0.15 19 400 7350 -31.3 -49.3 15 18.0 -32.6 230 42 314.3 314.3 287.0 314.7 0.11 20 352 8242 -38.5 -48.5 34 10.0 -39.1 239 46 316.3 316.3 287.7 316.8 0.13 21 311 9081 -45.1 -50.1 57 5.0 -45.3 247 49 318.5 318.5 288.4 319.0 0.13 22 300 9320 -47.5 -53.5 50 6.0 -47.7 250 50 318.4 318.4 288.3 318.7 0.09 23 262 10208 -53.5 -59.5 48 6.0 -53.7 250 63 322.2 322.2 289.5 322.4 0.05 24 250 10510 -55.1 -62.1 42 7.0 -55.2 250 68 324.1 324.2 290.0 324.3 0.04 25 200 11930 -56.3 245 91 343.6 26 190 12258 -56.5 245 87 348.4 27 150 13760 -58.5 245 66 369.3 28 143 14061 -59.5 244 64 372.6 29 134 14469 -61.1 242 62 376.8 30 100 16280 -64.3 235 50 403.5 31 94 16657 -66.5 237 51 406.4 32 87 17128 -65.3 239 52 417.9 33 70 18470 -60.1 245 54 455.8 34 59 19535 -60.1 242 48 478.6 35 50 20560 -63.1 240 43 494.8 36 40 21938 -62.1 249 42 529.9 37 38 22259 -56.1 251 42 553.0 38 33 23153 -58.3 256 41 570.0 39 30 23750 -60.3 260 41 580.3 40 26 24643 -61.3 262 46 601.7 41 24 25146 -57.3 263 48 627.2 42 20 26300 -58.1 265 54 658.3 43 18 26965 -58.1 267 59 678.5 44 14 28559 -56.1 270 71 735.8 45 11 30094 -56.3 274 82 787.6 46 10 30700 -56.3 275 87 809.4 47 8.3 31886 -55.3 857.6 48 6.3 33658 -52.3 940.8 49 6.0 33974 -50.8 275 117 960.4 50 5.9 34084 -50.3 967.3 TRP 250 10510 -55.1 -62.1 42 7.0 -55.2 250 68 324.1 324.2 290.0 324.3 0.04 WND 6.0 33974 -50.8 275 117 960.4 Sounding variables and indices 1000-500 mb thick: 5541.00 m Freezing level: 711.86 mb = 2969.43 m = 9742.09 ft Wetbulb zero: 754.76 mb = 2493.52 m = 8180.73 ft Precipitable water: 0.45 inches Sfc-500 mean rel hum: 36.73 % Est. max temperature: 18.74 C = 65.74 F Sfc-Lift cond lev (LCL): 861.67 mb = 1405.30 m = 4610.51 ft T: 9.62 C 700-500 lapse rate: 6.11 C/km ThetaE index: 5.85 C Layer 769.0- 594.0 mb Conv cond level (CCL): 716.44 mb = 2913.82 m = 9559.67 ft Mean mixing ratio: 5.54 g/kg Conv temperature: 19.38 C = 66.88 F Cap Strength: 5.41 C Lifted Index: 4.62 C Risk: None Lifted Index @300 mb: 5.54 C Lifted Index @700 mb: 2.57 C Showalter Index: 4.38 C Risk: None Total Totals Index: 45.60 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 26.30 C Cross Totals Index: 19.30 C K Index: 19.50 Risk: < 20 % chance of thunderstorms Sweat Index: 92.40 Risk: None Energy Index: 0.42 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 24.25 J/kg Max Up Vert Vel: 6.96 m/s Conv Inhibition (B-): 54169.91 J/kg Cap Strength: 5.33 C Lift Cond Lev (LCL): 782.87 mb = 2195.35 m = 7202.51 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 252 at 20 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 ---------------------------------------------------------- 0 905 997 255 1 1.0 0.3 | 72 19 -17.9 -6.0 1 850 1519 175 14 -1.2 13.9 | 111 22 -20.1 7.7 2 700 3101 225 20 14.1 14.1 | 149 9 -4.8 7.9 3 500 5720 225 38 26.9 26.9 | 201 22 8.0 20.6 4 400 7350 230 42 32.2 27.0 | 213 25 13.3 20.8 5 300 9320 250 50 47.0 17.1 | 249 30 28.1 10.9 6 250 10510 250 68 63.9 23.3 | 249 48 45.0 17.0 7 200 11930 245 91 82.5 38.5 | 243 71 63.6 32.2 8 150 13760 245 66 59.8 27.9 | 242 46 40.9 21.7 9 100 16280 235 50 41.0 28.7 | 225 31 22.1 22.4 10 70 18470 245 54 48.9 22.8 | 241 34 30.0 16.6 11 50 20560 240 43 37.2 21.5 | 230 24 18.3 15.3 12 30 23750 260 41 40.4 7.1 | 268 21 21.5 0.9 13 20 26300 265 54 53.8 4.7 | 273 35 34.9 -1.5 14 10 30700 275 87 86.7 -7.6 | 282 69 67.8 -13.8 Wind Parameters Mean winds (0-6000m): 221.7 at 26.5 knts Storm direction: 251.7 at 19.9 knts Shear (0-3000m) pos: 2.9 neg: 2.7 tot: 5.5 10-3/s Storm rel Dir Shear (0-3000m): 106.5 deg Storm rel helicity (0-3000m) pos: 104.5 neg: 0.0 tot: 104.5 m^2/s^2 ave: 34.8 10^-3 m/s^2 rel: 0.69 Storm rel vorticity (0-3000m) horiz: 6.6 stream: 4.5 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.39 Bulk Shear: 62.75 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 ------------------------------------------------------------------------------- 500 179 7 93 19| 0.0 13.6 13.6| 46.1 0.0 46.1 92.3 0.68| 16.6 11.2 1000 182 11 104 19| 2.0 6.8 8.8| 64.0 0.0 64.0 64.0 0.69| 10.6 7.3 1500 190 13 111 18| 2.9 4.5 7.5| 78.1 0.0 78.1 52.1 0.68| 8.8 6.0 2000 199 14 117 16| 3.5 3.4 6.9| 88.3 0.0 88.3 44.1 0.66| 8.0 5.3 2500 206 16 123 14| 3.4 2.7 6.2| 96.4 0.0 96.4 38.6 0.68| 7.2 4.9 3000 211 17 130 13| 2.9 2.7 5.5|104.5 0.0 104.5 34.8 0.69| 6.6 4.5 4000 217 20 146 12| 2.1 2.7 4.9|120.8 0.0 120.8 30.2 0.68| 5.8 3.9 5000 220 24 162 13| 1.9 2.5 4.4|137.2 0.0 137.2 27.4 0.66| 5.3 3.5 6000 222 27 175 14| 1.9 2.1 4.0|154.9 0.0 154.9 25.8 0.67| 4.7 3.1 Wrote GIF file: /home/apache/climate/data/raob//LTBM/skewt/LTBM.skewt.20251129.00.gif