UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102812.upa.cvt Date: 1200Z 28 OCT 25 Searching for LTBM... Searching the city database file for: LTBM ... Date:1200Z 28 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 102 1 925 774 SFC 901 997 19.2 14.2 73 5.0 15.9 150 12 301.2 303.3 293.0 334.7 11.37 3 890 1103 18.6 13.6 73 5.0 15.3 162 16 301.6 303.7 292.9 334.3 11.07 4 850 1498 15.8 10.8 72 5.0 12.7 205 31 302.7 304.5 292.0 331.3 9.61 5 816 1844 13.0 9.5 79 3.5 10.9 216 32 303.3 305.0 291.9 330.6 9.17 6 707 3031 3.6 0.7 81 2.9 2.1 252 37 305.6 306.7 289.6 323.0 5.70 7 700 3112 3.0 0.1 81 2.9 1.5 255 37 305.8 306.8 289.6 322.6 5.51 8 684 3299 2.2 -2.5 71 4.7 -0.1 255 37 306.9 307.8 289.2 321.3 4.65 9 606 4266 -3.7 -23.7 20 20.0 -9.4 255 37 311.0 311.1 286.8 314.1 0.93 10 559 4898 -9.3 -35.3 10 26.0 -14.3 255 38 311.6 311.7 286.3 312.8 0.34 11 535 5236 -12.1 -26.1 30 14.0 -15.4 255 38 312.2 312.3 287.1 315.1 0.85 12 500 5750 -15.7 -24.7 46 9.0 -17.9 255 38 313.9 314.1 287.9 317.4 1.03 13 498 5780 -15.7 -25.7 42 10.0 -18.0 255 38 314.3 314.4 287.9 317.5 0.95 14 444 6633 -23.7 -37.7 26 14.0 -25.6 258 45 314.7 314.7 287.3 315.9 0.34 15 442 6666 -23.9 -36.9 29 13.0 -25.7 258 45 314.8 314.9 287.5 316.1 0.37 16 416 7107 -26.5 -28.1 86 1.6 -26.8 259 49 317.0 317.1 288.8 320.1 0.91 17 400 7390 -27.7 -41.7 25 14.0 -29.3 260 51 319.0 319.0 288.7 319.9 0.25 18 358 8181 -33.3 -37.4 67 4.1 -33.8 254 50 321.8 321.8 289.8 323.3 0.43 19 349 8360 -34.9 -39.1 65 4.2 -35.3 253 50 321.9 322.0 289.8 323.3 0.37 20 300 9400 -43.7 -47.7 64 4.0 -43.9 245 49 323.8 323.8 290.1 324.4 0.17 21 250 10600 -51.9 -56.1 61 4.2 -52.0 250 68 328.9 328.9 291.5 329.2 0.08 22 229 11164 -55.4 -60.0 56 4.6 -55.5 255 78 331.9 331.9 292.3 332.1 0.05 23 214 11593 -58.1 -63.0 53 4.9 -58.2 245 70 334.2 334.2 292.9 334.4 0.04 24 211 11682 -58.3 -63.3 53 5.0 -58.4 243 67 335.3 335.3 293.2 335.4 0.04 25 200 12020 -56.9 -61.9 53 5.0 -57.0 235 58 342.7 342.7 295.0 342.9 0.05 26 188 12411 -57.9 239 60 347.2 27 165 13229 -60.5 248 65 356.0 28 150 13820 -62.3 255 69 362.8 29 115 15462 -61.9 248 57 392.1 30 100 16320 -65.1 245 50 401.9 31 90 16961 -66.1 245 43 412.3 32 86 17238 -65.5 245 39 418.9 33 76 17995 -62.9 245 31 439.4 34 70 18500 -64.7 245 25 446.0 35 67 18769 -63.1 244 25 455.1 36 63 19152 -60.9 243 25 468.0 37 55 19995 -62.5 241 25 482.9 38 53 20226 -59.9 241 25 494.0 39 50 20590 -60.9 240 25 500.0 40 45 21243 -61.5 241 29 513.8 41 44 21382 -59.1 241 30 523.0 42 37 22472 -57.1 243 37 554.7 43 32 23396 -53.9 244 42 586.8 44 30 23810 -53.3 245 45 599.3 45 26 24734 -52.5 256 46 626.6 46 22 25819 -50.7 268 48 662.7 47 20 26440 -51.1 275 49 679.8 48 15 28315 -50.1 741.4 49 13 29254 -48.5 777.9 TRP 214 11593 -58.1 -63.0 53 4.9 -58.2 245 70 334.2 334.2 292.9 334.4 0.04 WND 229 11164 -55.4 -60.0 56 4.6 -55.5 255 78 331.9 331.9 292.3 332.1 0.05 Sounding variables and indices 1000-500 mb thick: 5648.00 m Freezing level: 654.92 mb = 3659.78 m = 12007.00 ft Wetbulb zero: 684.99 mb = 3287.40 m = 10785.29 ft Precipitable water: 0.87 inches Sfc-500 mean rel hum: 53.54 % Est. max temperature: 22.56 C = 72.62 F Sfc-Lift cond lev (LCL): 836.68 mb = 1631.74 m = 5353.41 ft T: 14.72 C 700-500 lapse rate: 7.09 C/km ThetaE index: 21.88 C Layer 890.0- 535.0 mb Conv cond level (CCL): 778.00 mb = 2238.51 m = 7344.11 ft Mean mixing ratio: 9.88 g/kg Conv temperature: 22.01 C = 71.62 F Cap Strength: 1.08 C Lifted Index: -5.35 C Risk: Severe thunderstorms probable Lifted Index @300 mb: -4.64 C Lifted Index @700 mb: -2.00 C Showalter Index: -5.06 C Risk: Severe thunderstorms possible Total Totals Index: 58.00 C Risk: Severe Thunderstorms probable Vertical Totals Index: 31.50 C Cross Totals Index: 26.50 C K Index: 39.40 Risk: > 80 % chance of thunderstorms Sweat Index: 530.36 Risk: Severe Thunderstorms possible Energy Index: -2.79 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1362.72 J/kg Max Up Vert Vel: 52.21 m/s Conv Inhibition (B-): 17.83 J/kg Cap Strength: 1.08 C Lift Cond Lev (LCL): 794.98 mb = 2059.71 m = 6757.50 ft Lev Free Conv (LFC): 759.98 mb = 2432.62 m = 7980.94 ft Equ Level (EL): 229.98 mb = 11136.55 m = 36536.79 ft B at Equ Level: 1360.76 J/kg Max Parcel Lev (MPL): 139.98 mb = 14247.36 m = 46742.75 ft Wind level data Storm motion: 278 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 ---------------------------------------------------------- 0 901 997 150 12 -6.0 10.4 | 113 36 -33.1 14.3 1 850 1498 205 31 13.1 28.1 | 156 35 -14.0 32.0 2 700 3112 255 37 35.7 9.6 | 213 16 8.6 13.5 3 500 5750 255 38 36.7 9.8 | 215 17 9.6 13.7 4 400 7390 260 51 50.2 8.9 | 241 26 23.1 12.8 5 300 9400 245 49 44.4 20.7 | 215 30 17.3 24.6 6 250 10600 250 68 63.9 23.3 | 234 46 36.8 27.2 7 229 11164 255 78 75.3 20.2 | 243 54 48.2 24.1 8 214 11593 245 70 63.4 29.6 | 227 49 36.3 33.5 9 200 12020 235 58 47.5 33.3 | 209 42 20.4 37.2 10 150 13820 255 69 66.6 17.9 | 241 45 39.5 21.8 11 100 16320 245 50 45.3 21.1 | 216 31 18.2 25.0 12 70 18500 245 25 22.7 10.6 | 163 15 -4.5 14.5 13 50 20590 240 25 21.7 12.5 | 162 17 -5.5 16.4 14 30 23810 245 45 40.8 19.0 | 211 27 13.6 22.9 15 20 26440 275 49 48.8 -4.3 | 271 22 21.7 -0.4 Wind Parameters Mean winds (0-6000m): 248.2 at 36.6 knts Storm direction: 278.2 at 27.4 knts Shear (0-3000m) pos: 7.2 neg: 0.0 tot: 7.2 10-3/s Storm rel Dir Shear (0-3000m): 100.0 deg Storm rel helicity (0-3000m) pos: 428.8 neg: 0.0 tot: 428.8 m^2/s^2 ave: 142.9 10^-3 m/s^2 rel: 0.88 Storm rel vorticity (0-3000m) horiz: 10.1 stream: 8.8 10^-3/s Energy-Hel index: 3.57 Bulk Rich Number: 10.73 Bulk Shear: 127.04 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 ------------------------------------------------------------------------------- 500 190 21 137 34| 26.7 0.0 26.7|269.3 0.0 269.3 538.6 0.98| 29.0 28.4 1000 204 27 150 33| 15.9 0.0 15.9|328.9 0.0 328.9 328.9 0.94| 19.0 17.8 1500 214 29 159 30| 12.3 0.0 12.3|378.3 0.0 378.3 252.2 0.90| 15.9 14.3 2000 224 31 167 27| 10.5 0.0 10.5|419.3 0.0 419.3 209.6 0.88| 14.4 12.7 2500 231 32 175 24| 8.6 0.0 8.6|428.2 0.0 428.2 171.3 0.88| 12.1 10.6 3000 236 33 180 22| 7.2 0.0 7.2|428.8 0.0 428.8 142.9 0.88| 10.1 8.8 4000 242 34 189 20| 5.4 0.1 5.5|429.8 0.0 429.8 107.5 0.87| 7.6 6.7 5000 245 35 194 19| 4.5 0.1 4.6|438.0 0.0 438.0 87.6 0.87| 6.3 5.5 6000 248 37 201 19| 4.5 0.1 4.5|469.9 0.0 469.9 78.3 0.85| 6.0 5.1 Wrote GIF file: /home/apache/climate/data/raob//LTBM/skewt/LTBM.skewt.20251028.12.gif