UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101912.upa.cvt Date: 1200Z 19 OCT 25 Searching for LTBM... Searching the city database file for: LTBM ... Date:1200Z 19 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 139 1 925 810 SFC 905 997 20.0 9.0 49 11.0 13.3 310 5 301.6 303.1 290.4 325.3 7.98 3 850 1535 14.8 6.8 59 8.0 10.2 250 13 301.6 303.0 289.8 323.4 7.31 4 723 2872 1.8 1.4 97 0.4 1.6 271 41 301.7 302.8 288.5 319.3 5.86 5 700 3133 0.8 0.7 99 0.1 0.7 275 46 303.4 304.4 289.0 320.8 5.76 6 663 3567 -1.5 -2.0 96 0.5 -1.7 276 48 305.5 306.5 289.0 320.8 4.98 7 543 5135 -8.5 -10.4 86 1.9 -9.2 279 55 315.2 315.8 290.4 325.5 3.19 8 537 5221 -7.9 -10.5 82 2.6 -8.9 279 55 316.9 317.5 290.9 327.3 3.20 9 500 5770 -13.5 -17.2 74 3.7 -14.7 280 58 316.6 317.0 289.7 323.2 1.98 10 449 6580 -17.9 -22.0 70 4.1 -19.0 275 55 320.9 321.2 290.6 325.9 1.46 11 439 6748 -19.9 -24.1 69 4.2 -20.9 274 55 320.5 320.7 290.2 324.8 1.24 12 400 7430 -25.1 -30.1 63 5.0 -26.0 270 52 322.4 322.5 290.3 325.1 0.78 13 313 9169 -38.1 -43.1 59 5.0 -38.5 274 72 327.7 327.7 291.3 328.7 0.27 14 300 9460 -40.3 -45.3 59 5.0 -40.6 275 76 328.6 328.6 291.6 329.4 0.22 15 250 10670 -49.1 -56.1 44 7.0 -49.3 270 81 333.1 333.1 292.6 333.4 0.08 16 200 12100 -59.3 275 76 338.9 17 199 12132 -59.5 275 76 339.0 18 193 12324 -59.5 274 76 342.0 19 167 13225 -63.9 272 77 349.1 20 150 13890 -61.1 270 78 364.8 21 147 14015 -61.5 269 79 366.2 22 129 14824 -61.4 265 87 380.4 23 115 15535 -61.3 265 74 393.3 24 101 16347 -57.3 265 60 415.8 25 100 16410 -57.5 265 59 416.6 26 95 16733 -56.7 264 58 424.4 27 86 17357 -60.5 261 56 428.9 28 73 18364 -64.7 256 54 440.6 29 70 18620 -63.9 255 53 447.7 30 50 20700 -60.9 265 28 500.0 31 47 21086 -61.9 263 31 506.5 32 36 22747 -60.9 252 44 549.2 33 31 23676 -62.7 246 51 568.4 34 30 23880 -59.7 245 53 581.9 35 25 25037 -51.7 261 47 636.0 36 20 26470 -54.9 280 40 668.1 37 14 28760 -53.1 746.0 38 14 28760 -53.5 744.6 TRP 199 12132 -59.5 275 76 339.0 WND 129 14824 -61.4 265 87 380.4 Sounding variables and indices 1000-500 mb thick: 5631.00 m Freezing level: 687.13 mb = 3283.92 m = 10773.88 ft Wetbulb zero: 689.13 mb = 3258.03 m = 10688.94 ft Precipitable water: 0.95 inches Sfc-500 mean rel hum: 82.87 % Est. max temperature: 20.09 C = 68.16 F Sfc-Lift cond lev (LCL): 768.45 mb = 2368.56 m = 7770.76 ft T: 6.70 C 700-500 lapse rate: 5.42 C/km ThetaE index: 6.10 C Layer 850.0- 700.0 mb Conv cond level (CCL): 754.13 mb = 2524.08 m = 8281.01 ft Mean mixing ratio: 7.37 g/kg Conv temperature: 20.09 C = 68.16 F Cap Strength: 2.83 C Lifted Index: 0.95 C Risk: Showers probable Lifted Index @300 mb: 4.15 C Lifted Index @700 mb: -1.09 C Showalter Index: 1.07 C Risk: Showers probable Total Totals Index: 48.60 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 28.30 C Cross Totals Index: 20.30 C K Index: 35.00 Risk: > 80 % chance of thunderstorms Sweat Index: 165.60 Risk: None Energy Index: -0.10 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 48.51 J/kg Max Up Vert Vel: 9.85 m/s Conv Inhibition (B-): 0.79 J/kg Cap Strength: 2.73 C Lift Cond Lev (LCL): 754.88 mb = 2515.91 m = 8254.21 ft Lev Free Conv (LFC): 749.88 mb = 2570.84 m = 8434.41 ft Equ Level (EL): 609.88 mb = 4222.83 m = 13854.27 ft B at Equ Level: 48.35 J/kg Max Parcel Lev (MPL): 529.88 mb = 5323.90 m = 17466.64 ft Wind level data Storm motion: 306 at 33 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 ---------------------------------------------------------- 0 905 997 310 5 3.8 -3.2 | 125 28 -22.6 15.8 1 850 1535 250 13 12.2 4.4 | 149 27 -14.2 23.5 2 700 3133 275 46 45.8 -4.0 | 232 25 19.4 15.0 3 500 5770 280 58 57.1 -10.1 | 254 32 30.7 9.0 4 400 7430 270 52 52.0 -0.0 | 233 32 25.6 19.1 5 300 9460 275 76 75.7 -6.6 | 256 51 49.3 12.4 6 250 10670 270 81 81.0 -0.0 | 251 58 54.6 19.1 7 200 12100 275 76 75.7 -6.6 | 256 51 49.3 12.4 8 199 12132 275 76 75.7 -6.6 | 256 51 49.3 12.4 9 150 13890 270 78 78.0 -0.0 | 250 55 51.6 19.1 10 129 14824 265 87 86.7 7.6 | 246 66 60.3 26.6 11 100 16410 265 59 58.8 5.1 | 233 40 32.4 24.2 12 70 18620 255 53 51.2 13.7 | 217 41 24.8 32.8 13 50 20700 265 28 27.9 2.4 | 184 22 1.5 21.5 14 30 23880 245 53 48.0 22.4 | 208 47 21.6 41.5 15 20 26470 280 40 39.4 -6.9 | 227 18 13.0 12.1 Wind Parameters Mean winds (0-6000m): 275.8 at 43.4 knts Storm direction: 305.8 at 32.6 knts Shear (0-3000m) pos: 6.6 neg: 1.8 tot: 8.4 10-3/s Storm rel Dir Shear (0-3000m): 115.1 deg Storm rel helicity (0-3000m) pos: 317.2 neg: 0.0 tot: 317.2 m^2/s^2 ave: 105.7 10^-3 m/s^2 rel: 0.95 Storm rel vorticity (0-3000m) horiz: 8.9 stream: 8.4 10^-3/s Energy-Hel index: 0.08 Bulk Rich Number: 0.30 Bulk Shear: 160.55 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 ------------------------------------------------------------------------------- 500 267 9 138 26| 0.0 10.8 10.8| 66.7 0.0 66.7 133.3 0.87| 11.7 10.2 1000 258 13 148 26| 5.2 5.4 10.6|135.6 0.0 135.6 135.6 0.91| 11.2 10.3 1500 262 18 158 23| 7.1 3.6 10.7|202.9 0.0 202.9 135.2 0.94| 11.3 10.6 2000 267 23 171 20| 8.1 2.7 10.8|272.8 0.0 272.8 136.4 0.95| 11.4 10.9 2500 271 28 183 19| 7.5 2.2 9.6|303.1 0.0 303.1 121.2 0.95| 10.2 9.7 3000 272 31 194 18| 6.6 1.8 8.4|317.2 0.0 317.2 105.7 0.95| 8.9 8.4 4000 274 37 211 19| 5.6 1.3 6.9|346.5 0.0 346.5 86.6 0.93| 7.3 6.8 5000 276 41 224 21| 4.7 1.2 5.9|368.8 -11.9 356.9 71.4 0.88| 6.4 5.6 6000 276 43 229 22| 3.9 1.3 5.2|368.8 -69.5 299.2 49.9 0.69| 5.9 4.1 Wrote GIF file: /home/apache/climate/data/raob//LTBM/skewt/LTBM.skewt.20251019.12.gif