UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025100900.upa.cvt Date: 0000Z 9 OCT 25 Searching for LTBM... Searching the city database file for: LTBM ... Date:0000Z 9 OCT 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 125 1 925 770 SFC 900 997 8.6 6.9 89 1.7 7.7 260 1 290.4 291.6 285.4 310.1 6.94 3 850 1468 6.0 2.5 78 3.5 4.2 250 12 292.4 293.4 284.6 308.0 5.39 4 701 3022 -3.9 -8.9 68 5.0 -5.8 210 24 298.0 298.5 284.0 306.5 2.78 5 700 3033 -3.9 -8.9 68 5.0 -5.8 210 24 298.2 298.7 284.0 306.6 2.78 6 637 3773 -7.7 -11.7 73 4.0 -9.1 214 26 302.0 302.4 285.2 309.6 2.45 7 619 3996 -9.3 -14.3 67 5.0 -10.9 215 27 302.6 303.0 284.9 309.1 2.04 8 500 5610 -21.5 -24.8 75 3.3 -22.2 225 32 306.8 307.0 285.4 310.2 1.02 9 403 7158 -33.5 -37.5 67 4.0 -33.9 225 57 310.8 310.9 286.1 312.1 0.38 10 400 7210 -33.5 -37.6 67 4.1 -33.9 225 58 311.4 311.5 286.3 312.8 0.38 11 390 7388 -34.7 -38.9 66 4.2 -35.1 225 60 312.1 312.2 286.5 313.3 0.34 12 360 7944 -38.5 -43.5 59 5.0 -38.9 225 67 314.3 314.3 287.1 315.1 0.23 13 351 8118 -38.9 -44.9 53 6.0 -39.3 224 69 316.0 316.1 287.7 316.8 0.20 14 346 8217 -37.7 -43.7 53 6.0 -38.2 223 69 319.0 319.0 288.7 319.8 0.23 15 327 8609 -35.7 -44.7 39 9.0 -36.5 220 73 326.9 326.9 291.0 327.7 0.22 16 300 9210 -35.9 -49.9 22 14.0 -37.0 215 78 334.8 334.8 293.2 335.3 0.13 17 292 9398 -34.5 -50.5 18 16.0 -35.8 215 79 339.4 339.4 294.3 339.9 0.13 18 250 10480 -36.3 -63.3 4 27.0 -37.8 215 86 352.1 352.1 297.1 352.2 0.03 19 249 10508 -36.6 -63.3 5 26.7 -38.1 215 86 352.1 352.1 297.1 352.2 0.03 20 248 10536 -36.9 215 86 352.0 21 229 11087 -39.1 215 82 356.8 22 200 12010 -43.5 215 75 363.9 23 150 13910 -51.5 215 62 381.3 24 146 14085 -50.7 215 61 385.7 25 100 16490 -61.1 210 53 409.7 26 95 16809 -61.5 209 48 414.9 27 82 17727 -59.3 204 32 437.3 28 70 18710 -63.3 200 15 449.0 29 62 19453 -63.7 159 14 463.9 30 55 20190 -61.3 118 14 485.6 31 50 20780 -61.1 85 13 499.5 32 39 22330 -59.3 540.8 33 32 23571 -58.5 574.5 TRP 360 7944 -38.5 -43.5 59 5.0 -38.9 225 67 314.3 314.3 287.1 315.1 0.23 WND 249 10508 -36.6 -63.3 5 26.7 -38.1 215 86 352.1 352.1 297.1 352.2 0.03 Sounding variables and indices 1000-500 mb thick: 5485.00 m Freezing level: 759.70 mb = 2409.64 m = 7905.54 ft Wetbulb zero: 786.97 mb = 2089.13 m = 6854.00 ft Precipitable water: 0.56 inches Sfc-500 mean rel hum: 72.74 % Est. max temperature: 14.17 C = 57.50 F Sfc-Lift cond lev (LCL): 876.98 mb = 1210.50 m = 3971.40 ft T: 7.42 C 700-500 lapse rate: 6.83 C/km ThetaE index: 3.63 C Layer 850.0- 700.0 mb Conv cond level (CCL): 780.45 mb = 2156.21 m = 7074.10 ft Mean mixing ratio: 5.52 g/kg Conv temperature: 13.04 C = 55.48 F Cap Strength: 2.09 C Lifted Index: 1.86 C Risk: Showers probable Lifted Index @300 mb: 18.92 C Lifted Index @700 mb: 1.06 C Showalter Index: 2.03 C Risk: Showers probable Total Totals Index: 51.50 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 27.50 C Cross Totals Index: 24.00 C K Index: 25.00 Risk: 40-60 % chance of thunderstorms Sweat Index: 136.00 Risk: None Energy Index: 0.44 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 15.86 J/kg Max Up Vert Vel: 5.63 m/s Conv Inhibition (B-): 31758.72 J/kg Cap Strength: 2.08 C Lift Cond Lev (LCL): 809.84 mb = 1858.23 m = 6096.47 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 252 at 21 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 ---------------------------------------------------------- 0 900 997 260 1 1.0 0.2 | 72 20 -18.8 -6.1 1 850 1468 250 12 11.3 4.1 | 75 9 -8.5 -2.2 2 700 3033 210 24 12.0 20.8 | 152 16 -7.8 14.5 3 500 5610 225 32 22.6 22.6 | 190 17 2.9 16.3 4 400 7210 225 58 41.0 41.0 | 211 41 21.2 34.7 5 360 7944 225 67 47.4 47.4 | 214 49 27.6 41.1 6 300 9210 215 78 44.7 63.9 | 203 63 25.0 57.6 7 250 10480 215 86 49.3 70.4 | 205 71 29.6 64.1 8 249 10508 215 86 49.3 70.4 | 205 71 29.6 64.1 9 200 12010 215 75 43.0 61.4 | 203 60 23.3 55.1 10 150 13910 215 62 35.6 50.8 | 200 47 15.8 44.5 11 100 16490 210 53 26.5 45.9 | 190 40 6.7 39.6 12 70 18710 200 15 5.1 14.1 | 118 17 -14.6 7.8 13 50 20780 85 13 -13.0 -1.1 | 77 34 -32.7 -7.4 Wind Parameters Mean winds (0-6000m): 222.3 at 27.7 knts Storm direction: 252.3 at 20.7 knts Shear (0-3000m) pos: 0.7 neg: 4.0 tot: 4.6 10-3/s Storm rel Dir Shear (0-3000m): 93.6 deg Storm rel helicity (0-3000m) pos: 43.2 neg: -1.4 tot: 41.8 m^2/s^2 ave: 13.9 10^-3 m/s^2 rel: 0.47 Storm rel vorticity (0-3000m) horiz: 5.5 stream: 2.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.25 Bulk Shear: 63.53 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 ------------------------------------------------------------------------------- 500 251 7 73 14| 0.0 11.6 11.6| 2.9 -1.4 1.5 3.0 0.07| 11.6 0.8 1000 245 10 80 11| 0.0 7.8 7.8| 11.5 -1.4 10.1 10.1 0.32| 8.4 2.7 1500 236 13 96 9| 0.0 6.5 6.5| 20.6 -1.4 19.3 12.8 0.44| 7.5 3.3 2000 227 15 116 10| 0.0 5.9 5.9| 26.3 -1.4 25.0 12.5 0.40| 7.2 2.9 2500 222 17 127 11| 0.4 4.7 5.1| 34.4 -1.4 33.1 13.2 0.44| 6.2 2.7 3000 220 19 135 11| 0.7 4.0 4.6| 43.2 -1.4 41.8 13.9 0.47| 5.5 2.6 4000 220 21 148 12| 1.0 3.0 4.0| 61.3 -1.4 60.0 15.0 0.53| 4.7 2.5 5000 221 24 160 12| 1.7 2.4 4.1| 88.9 -1.4 87.5 17.5 0.56| 4.7 2.6 6000 222 28 175 14| 1.4 3.3 4.7|129.8 -1.4 128.5 21.4 0.50| 5.3 2.6 Wrote GIF file: /home/apache/climate/data/raob//LTBM/skewt/LTBM.skewt.20251009.00.gif