UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025100712.upa.cvt Date: 1200Z 7 OCT 25 Searching for LTBM... Searching the city database file for: LTBM ... Date:1200Z 7 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 70 1 925 736 SFC 897 997 16.6 13.0 79 3.6 14.3 135 10 298.9 300.8 291.6 329.7 10.55 3 850 1453 12.4 9.5 82 2.9 10.6 160 20 299.1 300.7 290.3 324.9 8.80 4 779 2180 7.2 5.7 90 1.5 6.3 182 25 301.1 302.5 289.7 323.1 7.39 5 700 3056 3.4 0.3 80 3.1 1.8 210 32 306.2 307.3 289.8 323.3 5.59 6 687 3208 3.4 0.3 80 3.1 1.8 210 33 307.9 309.0 290.4 325.4 5.70 7 594 4376 -3.1 -7.7 70 4.6 -5.1 208 37 313.4 314.1 290.3 325.0 3.61 8 511 5553 -10.5 -15.5 67 5.0 -12.2 205 42 318.3 318.7 290.5 325.7 2.24 9 500 5720 -11.7 -16.7 66 5.0 -13.3 205 43 318.8 319.2 290.5 325.7 2.07 10 491 5859 -12.9 -17.7 67 4.8 -14.5 205 44 319.0 319.3 290.4 325.5 1.94 11 442 6653 -18.5 -23.5 65 5.0 -19.8 208 52 321.6 321.9 290.6 326.1 1.30 12 400 7390 -24.3 -30.3 58 6.0 -25.4 210 60 323.4 323.6 290.6 326.1 0.77 13 395 7482 -24.3 -31.3 52 7.0 -25.6 210 62 324.6 324.7 290.9 327.1 0.71 14 393 7519 -24.5 -33.5 43 9.0 -26.0 210 62 324.8 324.9 290.8 326.9 0.58 15 385 7669 -25.1 -35.1 39 10.0 -26.7 210 65 325.9 326.0 291.1 327.8 0.50 16 363 8096 -26.9 -43.9 18 17.0 -28.9 210 72 329.0 329.1 291.7 329.9 0.21 17 345 8462 -29.3 -45.3 20 16.0 -31.0 210 78 330.6 330.6 292.1 331.4 0.19 18 300 9450 -35.1 -53.1 14 18.0 -36.4 210 95 335.9 335.9 293.4 336.3 0.09 19 252 10646 -40.3 -57.3 15 17.0 -41.2 215 116 345.4 345.4 295.7 345.6 0.07 20 250 10700 -40.9 -57.9 14 17.0 -41.8 215 117 345.3 345.3 295.6 345.5 0.06 21 225 11418 -43.6 -61.1 13 17.5 -44.4 215 122 351.6 351.6 297.0 351.8 0.05 22 203 12111 -46.3 -64.3 11 18.0 -46.9 215 118 357.9 357.9 298.3 358.1 0.03 23 200 12210 -46.9 215 117 358.5 24 150 14070 -58.5 215 104 369.3 25 114 15742 -70.9 225 89 376.4 26 108 16062 -70.9 225 71 382.2 27 103 16346 -64.5 225 55 399.7 28 101 16468 -58.9 225 48 412.7 29 100 16530 -58.7 225 45 414.3 30 79 17979 -68.7 202 33 422.5 31 70 18710 -65.7 190 27 443.8 32 69 18798 -64.5 189 26 448.2 33 60 19657 -64.3 183 20 467.0 34 56 20081 -64.5 180 17 475.8 35 50 20780 -62.5 175 12 496.2 36 40 22170 -60.7 105 16 533.4 37 30 23970 -59.9 15 22 581.3 38 22 25914 -58.5 639.4 39 20 26519 -54.1 670.6 TRP 114 15742 -70.9 225 89 376.4 WND 225 11418 -43.6 -61.1 13 17.5 -44.4 215 122 351.6 351.6 297.0 351.8 0.05 Sounding variables and indices 1000-500 mb thick: 5650.00 m Freezing level: 638.35 mb = 3818.92 m = 12529.12 ft Wetbulb zero: 662.99 mb = 3493.81 m = 11462.50 ft Precipitable water: 0.99 inches Sfc-500 mean rel hum: 77.35 % Est. max temperature: 20.69 C = 69.25 F Sfc-Lift cond lev (LCL): 850.17 mb = 1451.28 m = 4761.37 ft T: 12.42 C 700-500 lapse rate: 5.67 C/km ThetaE index: 6.65 C Layer 850.0- 700.0 mb Conv cond level (CCL): 799.94 mb = 1958.70 m = 6426.09 ft Mean mixing ratio: 8.91 g/kg Conv temperature: 18.17 C = 64.70 F Cap Strength: 1.76 C Lifted Index: 1.70 C Risk: Showers probable Lifted Index @300 mb: 8.01 C Lifted Index @700 mb: 0.68 C Showalter Index: 2.05 C Risk: Showers probable Total Totals Index: 45.30 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.10 C Cross Totals Index: 21.20 C K Index: 30.50 Risk: 60-80 % chance of thunderstorms Sweat Index: 197.00 Risk: None Energy Index: 0.13 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 7.00 J/kg Max Up Vert Vel: 3.74 m/s Conv Inhibition (B-): 5.50 J/kg Cap Strength: 1.76 C Lift Cond Lev (LCL): 811.93 mb = 1834.75 m = 6019.45 ft Lev Free Conv (LFC): 776.93 mb = 2201.49 m = 7222.64 ft Equ Level (EL): 766.93 mb = 2307.65 m = 7570.95 ft B at Equ Level: 6.88 J/kg Max Parcel Lev (MPL): 706.93 mb = 2975.27 m = 9761.26 ft Wind level data Storm motion: 233 at 27 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 ---------------------------------------------------------- 0 897 997 135 10 -7.1 7.1 | 72 30 -28.3 -9.0 1 850 1453 160 20 -6.8 18.8 | 95 28 -28.1 2.7 2 700 3056 210 32 16.0 27.7 | 156 13 -5.3 11.6 3 500 5720 205 43 18.2 39.0 | 172 23 -3.1 22.9 4 400 7390 210 60 30.0 52.0 | 194 37 8.7 35.9 5 300 9450 210 95 47.5 82.3 | 202 71 26.2 66.2 6 250 10700 215 117 67.1 95.8 | 210 92 45.8 79.7 7 225 11418 215 122 70.0 99.9 | 210 97 48.7 83.8 8 200 12210 215 117 67.1 95.8 | 210 92 45.8 79.7 9 150 14070 215 104 59.7 85.2 | 209 79 38.4 69.1 10 114 15742 225 89 62.9 62.9 | 222 63 41.7 46.8 11 100 16530 225 45 31.8 31.8 | 214 19 10.6 15.7 12 70 18710 190 27 4.7 26.6 | 122 20 -16.6 10.5 13 50 20780 175 12 -1.0 12.0 | 79 23 -22.3 -4.1 14 30 23970 15 22 -5.7 -21.3 | 36 46 -27.0 -37.4 Wind Parameters Mean winds (0-6000m): 202.9 at 35.6 knts Storm direction: 232.9 at 26.7 knts Shear (0-3000m) pos: 5.6 neg: 0.4 tot: 5.9 10-3/s Storm rel Dir Shear (0-3000m): 92.2 deg Storm rel helicity (0-3000m) pos: 211.7 neg: 0.0 tot: 211.7 m^2/s^2 ave: 70.6 10^-3 m/s^2 rel: 0.83 Storm rel vorticity (0-3000m) horiz: 7.1 stream: 5.9 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.07 Bulk Shear: 105.83 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 ------------------------------------------------------------------------------- 500 153 15 85 28| 12.6 0.0 12.6| 95.4 0.0 95.4 190.8 0.98| 12.9 12.7 1000 163 19 94 27| 9.2 0.0 9.2|135.6 0.0 135.6 135.6 0.92| 10.1 9.4 1500 173 21 102 24| 8.2 0.0 8.2|170.4 0.0 170.4 113.6 0.88| 9.5 8.3 2000 184 23 110 21| 7.8 0.0 7.8|200.0 0.0 200.0 100.0 0.86| 9.4 8.1 2500 191 25 118 18| 6.7 0.0 6.7|207.4 0.0 207.4 82.9 0.85| 8.1 6.9 3000 195 27 124 17| 5.6 0.4 5.9|211.7 0.0 211.7 70.6 0.83| 7.1 5.9 4000 199 30 136 16| 4.2 0.8 5.0|219.7 0.0 219.7 54.9 0.79| 5.9 4.7 5000 201 32 146 17| 3.7 0.9 4.6|237.4 0.0 237.4 47.5 0.75| 5.3 4.0 6000 203 36 156 18| 4.0 0.7 4.7|287.4 0.0 287.4 47.9 0.73| 5.4 3.9 Wrote GIF file: /home/apache/climate/data/raob//LTBM/skewt/LTBM.skewt.20251007.12.gif