UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121000.upa.cvt Date: 0000Z 10 DEC 25 Searching for LTBM... Searching the city database file for: LTBM ... Date:0000Z 10 DEC 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 164 1 925 805 SFC 904 997 7.0 2.7 74 4.3 4.9 180 3 288.4 289.3 282.6 303.0 5.14 3 850 1497 4.0 0.7 79 3.3 2.4 55 15 290.3 291.2 283.0 304.0 4.73 4 807 1918 2.0 0.3 88 1.7 1.2 52 16 292.6 293.4 284.0 306.6 4.85 5 779 2204 2.0 -1.4 78 3.4 0.4 51 17 295.5 296.3 284.8 308.6 4.43 6 745 2563 0.0 -4.2 73 4.2 -1.9 48 18 297.1 297.8 284.7 308.4 3.76 7 700 3059 -4.5 -9.3 69 4.8 -6.3 45 19 297.5 298.0 283.7 305.7 2.70 8 686 3218 -5.3 -10.3 68 5.0 -7.1 45 19 298.3 298.8 283.8 306.1 2.54 9 683 3252 -4.1 -10.1 63 6.0 -6.4 45 19 300.0 300.5 284.6 308.0 2.60 10 676 3334 -3.5 -11.5 54 8.0 -6.4 44 18 301.6 302.0 284.9 308.9 2.34 11 665 3463 -4.1 -14.1 46 10.0 -7.5 44 18 302.3 302.7 284.7 308.4 1.93 12 625 3950 -7.1 -28.1 17 21.0 -11.9 43 17 304.3 304.4 284.0 306.4 0.60 13 590 4397 -10.1 -40.1 7 30.0 -14.9 42 16 305.9 305.9 284.0 306.6 0.20 14 500 5650 -20.1 -47.1 7 27.0 -23.0 40 13 308.5 308.6 284.9 308.9 0.11 15 411 7070 -33.1 -52.1 13 19.0 -34.3 36 18 309.6 309.6 285.2 309.8 0.08 16 400 7260 -35.1 -51.1 18 16.0 -36.0 35 19 309.4 309.4 285.2 309.7 0.09 17 335 8471 -44.1 -58.1 20 14.0 -44.6 41 40 313.2 313.2 286.5 313.3 0.04 18 300 9200 -50.3 45 53 314.5 19 257 10196 -57.9 35 60 317.4 20 250 10370 -59.3 35 57 317.9 21 240 10625 -60.5 40 37 319.8 22 239 10651 -60.5 39 37 320.2 23 232 10837 -60.3 31 34 323.3 24 214 11343 -59.1 9 28 332.7 25 213 11372 -59.1 7 28 333.1 26 200 11770 -56.5 350 23 343.3 27 180 12439 -55.5 341 23 355.4 28 150 13590 -59.5 325 22 367.6 29 141 13981 -59.3 320 22 374.5 30 110 15538 -62.3 302 24 396.4 31 100 16130 -62.5 295 24 407.0 32 78 17661 -63.1 292 25 435.7 33 70 18330 -61.3 290 25 453.2 34 50 20420 -62.3 295 32 496.7 35 38 22116 -62.5 287 37 536.7 36 30 23580 -61.3 280 42 577.5 37 28 24013 -59.3 279 43 594.6 38 22 25537 -58.1 276 46 640.6 39 20 26140 -58.1 275 47 658.3 40 17 27164 -58.3 277 54 689.0 41 12 29402 -49.5 282 68 792.4 42 10 30600 -48.5 285 76 838.5 43 9.0 31300 -44.1 881.1 44 7.7 32346 -44.3 920.5 45 6.6 33391 -39.1 983.8 46 4.9 35440 -37.5 1078.6 47 4.6 35877 -36.3 1103.9 TRP 240 10625 -60.5 40 37 319.8 WND 257 10196 -57.9 35 60 317.4 Sounding variables and indices 1000-500 mb thick: 5486.00 m Freezing level: 745.00 mb = 2563.20 m = 8409.33 ft Wetbulb zero: 772.60 mb = 2270.17 m = 7447.97 ft Precipitable water: 0.42 inches Sfc-500 mean rel hum: 45.02 % Est. max temperature: 15.12 C = 59.21 F Sfc-Lift cond lev (LCL): 846.34 mb = 1531.98 m = 5026.13 ft T: 3.83 C 700-500 lapse rate: 6.02 C/km ThetaE index: 2.91 C Layer 745.0- 686.0 mb Conv cond level (CCL): 735.51 mb = 2665.24 m = 8744.12 ft Mean mixing ratio: 4.87 g/kg Conv temperature: 15.62 C = 60.12 F Cap Strength: 6.17 C Lifted Index: 5.84 C Risk: None Lifted Index @300 mb: 7.28 C Lifted Index @700 mb: 2.51 C Showalter Index: 6.13 C Risk: None Total Totals Index: 44.90 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.10 C Cross Totals Index: 20.80 C K Index: 20.00 Risk: 20-40 % chance of thunderstorms Sweat Index: 51.40 Risk: None Energy Index: 1.13 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 17.70 J/kg Max Up Vert Vel: 5.95 m/s Conv Inhibition (B-): 58063.79 J/kg Cap Strength: 6.16 C Lift Cond Lev (LCL): 811.91 mb = 1869.07 m = 6132.06 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 74 at 12 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 ---------------------------------------------------------- 0 904 997 180 3 0.0 3.0 | 241 13 11.2 6.2 1 850 1497 55 15 -12.3 -8.6 | 11 6 -1.0 -5.4 2 700 3059 45 19 -13.4 -13.4 | 12 10 -2.2 -10.3 3 500 5650 40 13 -8.4 -10.0 | 337 7 2.9 -6.8 4 400 7260 35 19 -10.9 -15.6 | 358 12 0.3 -12.4 5 300 9200 45 53 -37.5 -37.5 | 37 43 -26.2 -34.3 6 257 10196 35 60 -34.4 -49.1 | 27 51 -23.2 -46.0 7 250 10370 35 57 -32.7 -46.7 | 26 49 -21.4 -43.5 8 240 10625 40 37 -23.8 -28.3 | 26 28 -12.5 -25.2 9 200 11770 350 23 4.0 -22.7 | 322 25 15.2 -19.5 10 150 13590 325 22 12.6 -18.0 | 302 28 23.9 -14.8 11 100 16130 295 24 21.8 -10.1 | 282 34 33.0 -7.0 12 70 18330 290 25 23.5 -8.6 | 279 35 34.7 -5.4 13 50 20420 295 32 29.0 -13.5 | 284 42 40.2 -10.3 14 30 23580 280 42 41.4 -7.3 | 274 53 52.6 -4.1 15 20 26140 275 47 46.8 -4.1 | 271 58 58.1 -0.9 16 10 30600 285 76 73.4 -19.7 | 281 86 84.7 -16.5 Wind Parameters Mean winds (0-6000m): 44.2 at 15.6 knts Storm direction: 74.2 at 11.7 knts Shear (0-3000m) pos: 0.0 neg: 3.3 tot: 3.3 10-3/s Storm rel Dir Shear (0-3000m): 120.5 deg Storm rel helicity (0-3000m) pos: 0.4 neg: -31.6 tot: -31.3 m^2/s^2 ave: -10.4 10^-3 m/s^2 rel: -0.66 Storm rel vorticity (0-3000m) horiz: 5.6 stream: -3.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 2.15 Bulk Shear: 8.25 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 65 9 280 3| 0.0 17.4 17.4| 0.0 -26.7 -26.7 -53.5 -0.77| 26.5-20.5 1000 57 12 344 4| 0.0 9.4 9.4| 0.3 -26.7 -26.4 -26.4 -0.72| 14.0-10.1 1500 54 14 359 5| 0.0 6.7 6.7| 0.4 -26.7 -26.4 -17.6 -0.68| 9.9 -6.8 2000 51 15 4 6| 0.0 5.4 5.4| 0.4 -27.0 -26.7 -13.3 -0.65| 7.8 -5.1 2500 50 16 6 7| 0.0 4.2 4.2| 0.4 -29.3 -28.9 -11.5 -0.65| 6.5 -4.2 3000 49 16 6 7| 0.0 3.3 3.3| 0.4 -31.6 -31.3 -10.4 -0.66| 5.6 -3.7 4000 47 16 3 8| 0.0 2.2 2.2| 0.4 -36.2 -35.9 -9.0 -0.67| 4.5 -3.0 5000 46 15 359 8| 0.0 1.7 1.7| 2.1 -38.9 -36.8 -7.4 -0.64| 3.9 -2.5 6000 44 16 357 8| 0.0 1.8 1.8| 7.5 -38.9 -31.5 -5.2 -0.53| 3.6 -1.9 Wrote GIF file: /home/apache/climate/data/raob//LTBM/skewt/LTBM.skewt.20251210.00.gif