UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101200.upa.cvt Date: 0000Z 12 OCT 25 Searching for LTBM... Searching the city database file for: LTBM ... Date:0000Z 12 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 156 1 925 808 SFC 904 997 11.4 5.4 67 6.0 8.2 325 7 292.9 294.0 285.6 310.8 6.23 3 850 1511 7.0 2.2 71 4.8 4.6 40 11 293.5 294.4 284.9 308.8 5.28 4 828 1726 4.8 2.5 85 2.3 3.7 26 11 293.4 294.4 285.1 309.4 5.54 5 793 2078 3.2 0.8 84 2.4 2.0 2 12 295.3 296.2 285.4 310.3 5.11 6 767 2349 2.4 -1.0 78 3.4 0.8 344 13 297.3 298.1 285.7 311.0 4.64 7 718 2880 -1.1 -4.7 76 3.6 -2.7 309 14 299.1 299.8 285.5 310.4 3.75 8 700 3083 -2.5 -6.1 76 3.6 -4.0 295 14 299.7 300.3 285.4 310.2 3.46 9 646 3714 -7.3 -7.6 98 0.3 -7.4 287 18 301.2 301.9 285.8 311.5 3.34 10 634 3860 -7.3 -10.1 80 2.8 -8.4 285 18 302.9 303.4 285.9 311.5 2.80 11 631 3897 -7.1 -9.4 84 2.3 -8.0 284 19 303.5 304.0 286.3 312.7 2.97 12 618 4059 -6.9 -11.9 67 5.0 -8.7 282 20 305.5 306.0 286.5 313.4 2.48 13 610 4161 -6.1 -12.1 62 6.0 -8.3 281 20 307.6 308.1 287.2 315.5 2.48 14 580 4553 -10.1 -16.1 61 6.0 -12.0 275 22 307.4 307.7 286.5 313.4 1.88 15 558 4850 -11.9 -20.9 47 9.0 -14.3 271 24 308.7 308.9 286.4 312.9 1.29 16 549 4974 -12.5 -28.5 25 16.0 -16.0 270 25 309.4 309.5 285.9 311.7 0.66 17 500 5680 -18.5 -48.5 5 30.0 -21.8 260 29 310.5 310.5 285.6 310.8 0.09 18 474 6076 -21.1 -45.1 10 24.0 -23.8 260 33 312.0 312.1 286.2 312.6 0.14 19 447 6507 -23.5 -38.5 24 15.0 -25.5 260 38 314.3 314.4 287.2 315.4 0.31 20 445 6540 -23.5 -35.5 32 12.0 -25.3 260 38 314.7 314.8 287.5 316.2 0.42 21 400 7310 -29.5 -34.1 64 4.6 -30.1 260 47 316.6 316.8 288.3 318.5 0.53 22 391 7472 -30.1 -34.8 64 4.7 -30.7 259 49 317.9 318.0 288.6 319.7 0.51 23 340 8449 -38.5 -43.2 61 4.7 -38.9 254 62 319.5 319.5 288.9 320.4 0.25 24 335 8551 -38.5 -45.5 48 7.0 -39.0 254 63 320.8 320.9 289.2 321.6 0.20 25 313 9014 -42.1 -52.1 33 10.0 -42.6 251 69 322.1 322.1 289.5 322.5 0.10 26 304 9211 -43.7 -53.7 32 10.0 -44.1 250 72 322.5 322.6 289.6 322.9 0.08 27 300 9300 -43.9 -54.9 29 11.0 -44.3 250 73 323.5 323.5 289.9 323.8 0.07 28 268 10056 -44.3 -58.3 20 14.0 -44.9 253 77 333.5 333.5 292.7 333.7 0.05 29 250 10520 -45.3 -63.3 11 18.0 -45.9 255 80 338.7 338.7 294.0 338.8 0.03 30 217 11462 -48.7 -63.3 17 14.6 -49.1 255 82 347.5 347.5 296.1 347.6 0.04 31 215 11523 -48.9 256 81 348.1 32 200 12000 -49.3 265 71 354.7 33 198 12066 -49.5 265 71 355.4 34 177 12795 -53.3 265 71 360.7 35 150 13860 -54.3 265 70 376.5 36 142 14208 -56.5 265 68 378.6 37 100 16400 -61.1 265 55 409.7 38 93 16854 -61.3 267 49 417.9 39 78 17950 -62.3 272 35 437.4 40 70 18620 -63.7 275 26 448.1 41 57 19885 -61.7 263 23 479.8 42 50 20700 -59.7 255 21 502.8 43 36 22760 -60.3 261 13 550.8 44 30 23900 -60.7 265 9 579.2 45 23 25572 -57.1 281 12 635.5 46 20 26460 -56.3 290 13 663.8 47 14 28752 -51.3 280 22 752.1 48 10 30950 -49.1 270 31 836.3 49 8.1 32342 -46.1 900.1 50 7.1 33228 -41.1 955.3 TRP 304 9211 -43.7 -53.7 32 10.0 -44.1 250 72 322.5 322.6 289.6 322.9 0.08 WND 217 11462 -48.7 -63.3 17 14.6 -49.1 255 82 347.5 347.5 296.1 347.6 0.04 Sounding variables and indices 1000-500 mb thick: 5524.00 m Freezing level: 733.40 mb = 2713.39 m = 8902.10 ft Wetbulb zero: 755.92 mb = 2466.04 m = 8090.59 ft Precipitable water: 0.59 inches Sfc-500 mean rel hum: 64.83 % Est. max temperature: 16.12 C = 61.02 F Sfc-Lift cond lev (LCL): 825.43 mb = 1751.65 m = 5746.80 ft T: 4.68 C 700-500 lapse rate: 6.16 C/km ThetaE index: 2.02 C Layer 850.0- 828.0 mb Conv cond level (CCL): 750.16 mb = 2527.70 m = 8292.87 ft Mean mixing ratio: 5.58 g/kg Conv temperature: 16.26 C = 61.27 F Cap Strength: 5.28 C Lifted Index: 4.04 C Risk: None Lifted Index @300 mb: 10.05 C Lifted Index @700 mb: 1.76 C Showalter Index: 4.57 C Risk: None Total Totals Index: 46.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.50 C Cross Totals Index: 20.70 C K Index: 24.10 Risk: 20-40 % chance of thunderstorms Sweat Index: 77.40 Risk: None Energy Index: 0.50 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 4.79 J/kg Max Up Vert Vel: 3.09 m/s Conv Inhibition (B-): 64474.31 J/kg Cap Strength: 5.26 C Lift Cond Lev (LCL): 799.61 mb = 2010.65 m = 6596.53 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 304 at 16 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 ---------------------------------------------------------- 0 904 997 325 7 4.0 -5.7 | 109 10 -9.5 3.2 1 850 1511 40 11 -7.1 -8.4 | 92 21 -20.6 0.5 2 700 3083 295 14 12.7 -5.9 | 165 3 -0.8 3.1 3 500 5680 260 29 28.6 5.0 | 227 21 15.1 14.0 4 400 7310 260 47 46.3 8.2 | 242 37 32.8 17.1 5 304 9211 250 72 67.7 24.6 | 238 64 54.2 33.6 6 300 9300 250 73 68.6 25.0 | 238 65 55.1 33.9 7 250 10520 255 80 77.3 20.7 | 245 70 63.8 29.7 8 217 11462 255 82 79.2 21.2 | 245 72 65.7 30.2 9 200 12000 265 71 70.7 6.2 | 255 59 57.2 15.2 10 150 13860 265 70 69.7 6.1 | 255 58 56.2 15.1 11 100 16400 265 55 54.8 4.8 | 252 44 41.3 13.8 12 70 18620 275 26 25.9 -2.3 | 242 14 12.4 6.7 13 50 20700 255 21 20.3 5.4 | 205 16 6.8 14.4 14 30 23900 265 9 9.0 0.8 | 155 11 -4.5 9.8 15 20 26460 290 13 12.2 -4.4 | 164 5 -1.3 4.5 16 10 30950 270 31 31.0 -0.0 | 243 20 17.5 9.0 Wind Parameters Mean winds (0-6000m): 273.6 at 21.6 knts Storm direction: 303.6 at 16.2 knts Shear (0-3000m) pos: 1.9 neg: 4.4 tot: 6.3 10-3/s Storm rel Dir Shear (0-3000m): 119.4 deg Storm rel helicity (0-3000m) pos: 12.6 neg: -35.7 tot: -23.2 m^2/s^2 ave: -7.7 10^-3 m/s^2 rel: 0.02 Storm rel vorticity (0-3000m) horiz: 7.1 stream: 0.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.06 Bulk Shear: 78.98 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 11 9 91 15| 11.4 0.0 11.4| 3.4 -12.1 -8.6 -17.2 -0.27| 12.4 -3.4 1000 19 10 88 17| 5.7 3.1 8.8| 3.4 -29.9 -26.5 -26.5 -0.38| 9.4 -3.6 1500 6 11 83 15| 3.8 4.3 8.2| 3.4 -35.7 -32.3 -21.5 -0.34| 8.7 -3.0 2000 349 12 78 12| 2.9 4.8 7.6| 7.0 -35.7 -28.7 -14.4 -0.14| 8.6 -1.2 2500 332 12 77 8| 2.3 4.6 6.9| 10.2 -35.7 -25.6 -10.2 -0.03| 7.7 -0.2 3000 318 13 81 5| 1.9 4.4 6.3| 12.6 -35.7 -23.2 -7.7 0.02| 7.1 0.1 4000 297 15 188 2| 1.4 4.2 5.7| 13.8 -36.5 -22.7 -5.7 0.02| 6.3 0.1 5000 282 18 218 7| 1.1 4.2 5.4| 23.6 -42.0 -18.4 -3.7 0.03| 6.0 0.2 6000 274 22 227 11| 1.0 4.5 5.4| 56.3 -42.0 14.3 2.4 0.09| 5.9 0.5 Wrote GIF file: /home/apache/climate/data/raob//LTBM/skewt/LTBM.skewt.20251012.00.gif