UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121100.upa.cvt Date: 0000Z 11 DEC 25 Searching for LTBM... Searching the city database file for: LTBM ... Date:0000Z 11 DEC 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 162 1 925 806 SFC 904 997 7.8 3.5 74 4.3 5.6 285 7 289.2 290.1 283.3 304.7 5.44 3 860 1408 7.4 4.2 80 3.2 5.7 358 12 292.9 294.0 285.4 310.3 6.02 4 850 1504 6.0 3.4 83 2.6 4.6 15 13 292.4 293.5 284.9 309.0 5.75 5 784 2159 0.2 0.1 99 0.1 0.1 0 14 293.1 293.9 284.3 307.4 4.92 6 773 2273 -0.3 -2.3 86 2.0 -1.2 358 14 293.7 294.4 283.8 306.0 4.18 7 732 2709 0.0 -18.0 24 18.0 -5.6 348 15 298.6 298.9 282.4 302.6 1.27 8 724 2797 -1.3 -19.3 24 18.0 -6.7 346 15 298.2 298.4 282.1 301.8 1.15 9 711 2942 -1.1 -10.1 50 9.0 -4.6 343 16 299.9 300.4 284.4 307.6 2.49 10 700 3066 -2.1 -8.1 63 6.0 -4.5 340 16 300.2 300.7 285.0 309.2 2.96 11 623 3983 -9.3 -12.4 78 3.1 -10.4 338 19 302.1 302.5 285.1 309.5 2.37 12 603 4237 -9.3 -11.9 81 2.6 -10.2 338 20 304.9 305.4 286.4 312.9 2.55 13 551 4930 -14.1 -19.1 66 5.0 -15.5 336 22 307.2 307.5 286.1 312.2 1.53 14 538 5111 -16.5 -20.7 70 4.2 -17.6 336 23 306.4 306.7 285.7 310.9 1.37 15 500 5660 -20.3 -21.9 87 1.6 -20.7 335 25 308.3 308.5 286.2 312.6 1.32 16 435 6674 -27.5 -28.0 95 0.5 -27.6 338 41 311.7 311.8 286.9 314.7 0.88 17 427 6807 -28.5 -29.8 89 1.3 -28.7 339 43 312.1 312.2 286.9 314.6 0.76 18 400 7270 -32.3 -37.3 61 5.0 -32.9 340 51 313.0 313.1 286.9 314.4 0.39 19 354 8123 -39.5 -49.5 34 10.0 -40.1 348 61 314.4 314.5 287.1 314.9 0.12 20 300 9240 -48.1 -56.1 39 8.0 -48.3 0 75 317.6 317.6 288.0 317.8 0.06 21 265 10048 -53.5 -61.5 37 8.0 -53.7 10 87 321.1 321.1 289.1 321.2 0.04 22 250 10420 -56.1 -64.1 36 8.0 -56.2 5 83 322.7 322.7 289.6 322.8 0.03 23 246 10523 -56.5 5 83 323.6 24 244 10575 -57.3 5 81 323.1 25 200 11830 -59.3 355 42 338.9 26 196 11956 -59.1 354 42 341.1 27 150 13620 -61.3 345 35 364.5 28 120 15005 -60.3 334 25 390.3 29 100 16140 -60.1 325 17 411.6 30 94 16525 -61.5 324 18 416.2 31 78 17680 -62.1 322 20 437.8 32 70 18350 -61.1 320 21 453.7 33 66 18718 -61.1 320 20 461.4 34 50 20440 -64.5 320 17 491.5 35 48 20692 -62.3 317 18 502.5 36 30 23610 -61.5 285 26 577.0 37 29 23821 -60.1 285 27 586.5 38 24 25010 -57.5 282 34 626.6 39 20 26160 -58.3 280 40 657.7 40 17 27196 -55.3 281 42 698.6 41 14 28444 -54.1 283 44 742.6 42 10 30620 -52.3 285 47 824.3 43 8.2 31921 -46.5 895.4 44 5.8 34256 -39.3 1020.0 45 5.4 34745 -40.1 1037.5 TRP 246 10523 -56.5 5 83 323.6 WND 265 10048 -53.5 -61.5 37 8.0 -53.7 10 87 321.1 321.1 289.1 321.2 0.04 Sounding variables and indices 1000-500 mb thick: 5498.00 m Freezing level: 779.60 mb = 2204.69 m = 7233.14 ft Freezing level: 732.00 mb = 2709.28 m = 8888.60 ft Freezing level: 732.00 mb = 2709.28 m = 8888.60 ft Wetbulb zero: 782.88 mb = 2170.82 m = 7122.04 ft Precipitable water: 0.57 inches Sfc-500 mean rel hum: 72.94 % Est. max temperature: 14.38 C = 57.88 F Sfc-Lift cond lev (LCL): 846.47 mb = 1537.75 m = 5045.06 ft T: 5.70 C 700-500 lapse rate: 7.02 C/km ThetaE index: 8.50 C Layer 850.0- 711.0 mb Conv cond level (CCL): 807.72 mb = 1917.71 m = 6291.64 ft Mean mixing ratio: 5.62 g/kg Conv temperature: 11.36 C = 52.44 F Cap Strength: 3.75 C Lifted Index: 3.18 C Risk: None Lifted Index @300 mb: 6.84 C Lifted Index @700 mb: 2.92 C Showalter Index: 2.62 C Risk: Showers probable Total Totals Index: 50.00 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 26.30 C Cross Totals Index: 23.70 C K Index: 23.70 Risk: 20-40 % chance of thunderstorms Sweat Index: 111.80 Risk: None Energy Index: 0.73 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 14.05 J/kg Max Up Vert Vel: 5.30 m/s Conv Inhibition (B-): 11.59 J/kg Cap Strength: 3.71 C Lift Cond Lev (LCL): 817.94 mb = 1815.71 m = 5956.98 ft Lev Free Conv (LFC): 792.94 mb = 2067.41 m = 6782.75 ft Equ Level (EL): 762.94 mb = 2377.55 m = 7800.27 ft B at Equ Level: 12.00 J/kg Max Parcel Lev (MPL): 742.94 mb = 2590.38 m = 8498.52 ft Wind level data Storm motion: 11 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 ---------------------------------------------------------- 0 904 997 285 7 6.8 -1.8 | 214 17 9.7 14.2 1 850 1504 15 13 -3.4 -12.6 | 174 4 -0.4 3.5 2 700 3066 340 16 5.5 -15.0 | 263 9 8.5 1.0 3 500 5660 335 25 10.6 -22.7 | 296 15 13.5 -6.6 4 400 7270 340 51 17.4 -47.9 | 327 38 20.4 -31.9 5 300 9240 0 75 -0.0 -75.0 | 357 59 3.0 -59.0 6 265 10048 10 87 -15.1 -85.7 | 10 71 -12.1 -69.6 7 250 10420 5 83 -7.2 -82.7 | 4 67 -4.3 -66.6 8 246 10523 5 83 -7.2 -82.7 | 4 67 -4.3 -66.6 9 200 11830 355 42 3.7 -41.8 | 346 27 6.6 -25.8 10 150 13620 345 35 9.1 -33.8 | 326 21 12.0 -17.8 11 100 16140 325 17 9.8 -13.9 | 261 13 12.7 2.1 12 70 18350 320 21 13.5 -16.1 | 270 16 16.5 -0.0 13 50 20440 320 17 10.9 -13.0 | 258 14 13.9 3.0 14 30 23610 285 26 25.1 -6.7 | 252 30 28.1 9.3 15 20 26160 280 40 39.4 -6.9 | 258 43 42.4 9.1 16 10 30620 285 47 45.4 -12.2 | 265 49 48.4 3.9 Wind Parameters Mean winds (0-6000m): 340.5 at 21.7 knts Storm direction: 10.5 at 16.3 knts Shear (0-3000m) pos: 2.5 neg: 2.0 tot: 4.5 10-3/s Storm rel Dir Shear (0-3000m): 65.8 deg Storm rel helicity (0-3000m) pos: 24.8 neg: -5.2 tot: 19.5 m^2/s^2 ave: 6.5 10^-3 m/s^2 rel: 0.24 Storm rel vorticity (0-3000m) horiz: 5.0 stream: 1.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.75 Bulk Shear: 18.66 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 ------------------------------------------------------------------------------- 500 346 10 220 8| 15.0 0.0 15.0| 13.0 -5.2 7.7 15.5 -0.06| 17.1 -1.0 1000 1 12 213 5| 7.5 1.3 8.8| 14.7 -5.2 9.5 9.5 0.07| 9.9 0.7 1500 360 13 222 5| 5.0 1.9 6.9| 16.7 -5.2 11.5 7.6 0.15| 7.6 1.2 2000 355 13 236 5| 3.7 2.2 5.9| 18.0 -5.2 12.8 6.4 0.16| 6.5 1.1 2500 351 14 246 6| 3.0 2.1 5.1| 21.2 -5.2 16.0 6.4 0.20| 5.6 1.1 3000 349 15 254 6| 2.5 2.0 4.5| 24.8 -5.2 19.5 6.5 0.24| 5.0 1.2 4000 344 16 267 7| 1.9 1.9 3.8| 31.6 -5.2 26.4 6.6 0.28| 4.2 1.2 5000 342 18 278 9| 1.9 1.7 3.5| 51.2 -5.2 46.0 9.2 0.34| 4.2 1.4 6000 341 22 294 11| 2.8 1.4 4.2|103.1 -5.2 97.9 16.3 0.38| 4.9 1.8 Wrote GIF file: /home/apache/climate/data/raob//LTBM/skewt/LTBM.skewt.20251211.00.gif