UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120700.upa.cvt Date: 0000Z 7 DEC 25 Searching for LTBM... Searching the city database file for: LTBM ... Date:0000Z 7 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 82 1 925 725 SFC 895 997 7.6 4.9 83 2.7 6.2 335 3 289.8 290.9 284.2 307.1 6.07 3 874 1192 6.2 2.4 77 3.8 4.3 44 7 290.3 291.2 283.5 305.3 5.21 4 850 1420 5.4 2.4 81 3.0 3.9 125 11 291.8 292.8 284.3 307.3 5.35 5 732 2623 -3.1 -5.2 85 2.1 -4.0 187 17 295.3 295.9 283.7 305.8 3.54 6 725 2699 -4.3 -7.0 81 2.7 -5.4 191 18 294.7 295.3 283.0 304.1 3.12 7 700 2975 -5.3 -7.5 84 2.2 -6.1 205 19 296.6 297.2 283.8 306.0 3.11 8 642 3649 -9.3 -11.8 82 2.5 -10.2 210 20 299.5 299.9 284.1 306.9 2.41 9 633 3758 -9.5 -12.6 78 3.1 -10.5 211 20 300.5 300.9 284.4 307.6 2.29 10 500 5540 -21.5 -30.5 44 9.0 -23.0 225 23 306.8 306.9 284.9 308.9 0.60 11 494 5629 -22.3 -30.3 48 8.0 -23.7 226 23 306.9 307.0 284.9 309.0 0.62 12 426 6698 -32.3 -42.3 36 10.0 -33.1 236 29 307.4 307.5 284.7 308.2 0.22 13 400 7140 -36.1 -48.1 28 12.0 -36.8 240 32 308.1 308.1 284.8 308.5 0.12 14 307 8921 -51.5 -56.5 55 5.0 -51.6 231 34 310.7 310.7 285.7 310.9 0.06 15 300 9070 -53.3 -57.0 64 3.7 -53.4 230 34 310.2 310.2 285.5 310.4 0.06 16 288 9333 -54.1 -59.1 54 5.0 -54.2 230 30 312.7 312.7 286.4 312.9 0.05 17 283 9445 -54.3 -59.3 54 5.0 -54.4 228 29 314.0 314.0 286.8 314.2 0.05 18 274 9653 -53.1 -59.1 48 6.0 -53.2 225 28 318.7 318.7 288.3 318.8 0.05 19 250 10240 -56.5 215 25 322.1 20 233 10690 -55.3 212 26 330.4 21 200 11670 -54.3 205 29 346.8 22 188 12068 -54.1 213 31 353.3 23 180 12346 -56.3 218 32 354.1 24 150 13500 -58.3 240 38 369.6 25 134 14214 -57.3 239 35 383.5 26 107 15636 -59.1 236 31 405.6 27 100 16060 -60.3 235 29 411.2 28 89 16794 -57.3 242 26 431.1 29 70 18310 -59.1 255 20 457.9 30 67 18588 -57.1 254 21 468.1 31 50 20440 -59.5 245 28 503.3 32 46 20965 -57.3 247 32 520.7 33 40 21845 -59.1 249 39 537.4 34 30 23650 -59.1 255 53 583.5 35 27 24314 -58.5 258 58 603.1 36 20 26210 -58.1 265 74 658.3 37 14 28463 -58.5 265 88 727.7 38 10 30600 -55.4 265 102 812.9 39 8.0 32030 -53.3 874.7 TRP 288 9333 -54.1 -59.1 54 5.0 -54.2 230 30 312.7 312.7 286.4 312.9 0.05 WND 10 30600 -55.4 265 102 812.9 Sounding variables and indices 1000-500 mb thick: 5458.00 m Freezing level: 775.04 mb = 2184.13 m = 7165.69 ft Wetbulb zero: 791.58 mb = 1993.01 m = 6538.68 ft Precipitable water: 0.52 inches Sfc-500 mean rel hum: 73.80 % Est. max temperature: 12.50 C = 54.50 F Sfc-Lift cond lev (LCL): 858.80 mb = 1335.72 m = 4382.22 ft T: 5.70 C 700-500 lapse rate: 6.32 C/km ThetaE index: 3.20 C Layer 732.0- 700.0 mb Conv cond level (CCL): 782.24 mb = 2088.55 m = 6852.12 ft Mean mixing ratio: 5.14 g/kg Conv temperature: 11.43 C = 52.57 F Cap Strength: 1.61 C Lifted Index: 3.00 C Risk: None Lifted Index @300 mb: 2.75 C Lifted Index @700 mb: 0.54 C Showalter Index: 2.56 C Risk: Showers probable Total Totals Index: 50.80 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 26.90 C Cross Totals Index: 23.90 C K Index: 27.10 Risk: 40-60 % chance of thunderstorms Sweat Index: 109.80 Risk: None Energy Index: 0.31 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 16.33 J/kg Max Up Vert Vel: 5.71 m/s Conv Inhibition (B-): 33.84 J/kg Cap Strength: 2.89 C Lift Cond Lev (LCL): 805.57 mb = 1852.04 m = 6076.18 ft Lev Free Conv (LFC): 720.57 mb = 2746.98 m = 9012.30 ft Equ Level (EL): 710.57 mb = 2857.00 m = 9373.23 ft B at Equ Level: 15.50 J/kg Max Parcel Lev (MPL): 650.57 mb = 3545.82 m = 11633.13 ft Wind level data Storm motion: 246 at 15 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 ---------------------------------------------------------- 0 895 997 335 3 1.3 -2.7 | 54 15 -12.5 -8.9 1 850 1420 125 11 -9.0 6.3 | 90 23 -22.8 0.1 2 700 2975 205 19 8.0 17.2 | 152 12 -5.7 11.0 3 500 5540 225 23 16.3 16.3 | 194 10 2.5 10.0 4 400 7140 240 32 27.7 16.0 | 235 17 13.9 9.8 5 300 9070 230 34 26.0 21.9 | 218 20 12.3 15.6 6 288 9333 230 30 23.0 19.3 | 215 16 9.2 13.1 7 250 10240 215 25 14.3 20.5 | 182 14 0.6 14.3 8 200 11670 205 29 12.3 26.3 | 176 20 -1.5 20.1 9 150 13500 240 38 32.9 19.0 | 236 23 19.1 12.8 10 100 16060 235 29 23.8 16.6 | 224 14 10.0 10.4 11 70 18310 255 20 19.3 5.2 | 281 6 5.5 -1.0 12 50 20440 245 28 25.4 11.8 | 244 13 11.6 5.6 13 30 23650 255 53 51.2 13.7 | 259 38 37.4 7.5 14 20 26210 265 74 73.7 6.4 | 270 60 59.9 0.2 15 10 30600 265 102 101.6 8.9 | 268 88 87.8 2.7 Wind Parameters Mean winds (0-6000m): 215.7 at 20.2 knts Storm direction: 245.7 at 15.1 knts Shear (0-3000m) pos: 3.8 neg: 0.0 tot: 3.8 10-3/s Storm rel Dir Shear (0-3000m): 112.4 deg Storm rel helicity (0-3000m) pos: 192.6 neg: -1.8 tot: 190.8 m^2/s^2 ave: 63.6 10^-3 m/s^2 rel: 0.81 Storm rel vorticity (0-3000m) horiz: 7.8 stream: 6.3 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.25 Bulk Shear: 66.42 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 ------------------------------------------------------------------------------- 500 119 8 83 21| 14.6 0.0 14.6| 91.7 -1.8 89.8 179.7 0.73| 21.3 15.5 1000 136 10 93 21| 8.7 0.0 8.7|126.0 -1.8 124.1 124.1 0.78| 13.8 10.8 1500 154 12 103 20| 6.6 0.0 6.6|157.9 -1.8 156.0 104.0 0.80| 11.7 9.4 2000 174 13 115 17| 5.4 0.0 5.4|183.4 -1.8 181.6 90.8 0.80| 10.9 8.7 2500 184 15 123 15| 4.5 0.0 4.5|188.0 -1.8 186.2 74.5 0.81| 9.0 7.3 3000 191 15 130 14| 3.8 0.0 3.8|192.6 -1.8 190.8 63.6 0.81| 7.8 6.3 4000 201 17 142 12| 3.0 0.0 3.0|201.9 -1.8 200.1 50.0 0.82| 6.3 5.1 5000 208 18 153 11| 2.7 0.0 2.7|215.1 -1.8 213.3 42.7 0.83| 5.5 4.6 6000 216 20 169 10| 2.7 0.0 2.7|236.5 -1.8 234.6 39.1 0.83| 5.2 4.3 Wrote GIF file: /home/apache/climate/data/raob//LTBM/skewt/LTBM.skewt.20251207.00.gif