UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025113012.upa.cvt Date: 1200Z 30 NOV 25 Searching for LTBM... Searching the city database file for: LTBM ... Date:1200Z 30 NOV 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 108 1 925 762 SFC 900 997 12.4 7.4 72 5.0 9.6 325 3 294.3 295.6 287.1 315.1 7.19 3 865 1325 10.4 3.4 62 7.0 6.7 266 10 295.6 296.6 286.1 312.1 5.65 4 850 1468 8.2 2.2 66 6.0 5.1 240 13 294.7 295.7 285.4 310.2 5.28 5 704 2987 -5.1 -7.0 86 1.9 -5.8 230 19 296.4 296.9 283.8 306.0 3.21 6 700 3032 -5.5 -7.4 86 1.9 -6.2 230 19 296.4 297.0 283.7 305.8 3.13 7 695 3088 -6.3 -9.6 77 3.3 -7.5 231 19 296.1 296.6 283.1 304.1 2.65 8 590 4348 -15.3 -19.3 71 4.0 -16.3 243 26 299.8 300.1 283.1 304.3 1.41 9 528 5179 -20.3 -25.1 65 4.8 -21.2 251 30 303.5 303.7 284.0 306.6 0.94 10 500 5580 -23.3 -31.3 48 8.0 -24.5 255 32 304.6 304.7 284.0 306.5 0.56 11 469 6049 -26.5 -37.5 35 11.0 -27.8 252 33 306.3 306.3 284.4 307.4 0.32 12 445 6428 -30.1 -40.1 37 10.0 -31.1 250 35 306.4 306.4 284.3 307.3 0.26 13 400 7180 -37.5 -42.5 60 5.0 -37.8 245 37 306.3 306.3 284.2 307.1 0.23 14 372 7678 -40.5 -45.5 59 5.0 -40.8 249 41 308.7 308.7 285.1 309.3 0.18 15 366 7789 -40.3 -46.3 53 6.0 -40.6 249 42 310.4 310.4 285.7 311.0 0.16 16 362 7864 -41.1 -47.1 52 6.0 -41.4 250 43 310.3 310.3 285.6 310.9 0.15 17 327 8557 -40.5 -62.5 8 22.0 -41.3 250 49 320.3 320.3 288.9 320.4 0.03 18 305 9029 -43.3 250 54 322.8 19 300 9140 -44.1 250 55 323.2 20 254 10263 -45.3 250 54 337.2 21 250 10370 -46.1 250 54 337.5 22 233 10835 -46.9 255 64 343.2 23 200 11840 -48.5 260 61 356.0 24 175 12716 -51.1 258 57 365.5 25 150 13710 -56.3 255 52 373.1 26 147 13839 -55.5 255 51 376.6 27 127 14767 -58.1 257 45 388.0 28 100 16260 -62.1 260 36 407.7 29 76 17960 -64.5 256 47 436.0 30 70 18470 -61.3 255 50 453.2 31 67 18742 -61.3 255 50 459.0 32 56 19857 -61.3 255 51 483.1 33 50 20560 -62.1 255 51 497.1 34 46 21080 -60.5 257 50 513.0 35 41 21799 -60.5 259 49 530.2 36 38 22278 -57.5 260 49 549.5 37 30 23770 -59.1 265 47 583.5 38 20 26290 -58.5 275 69 657.1 39 19 26615 -56.5 275 72 673.0 40 16 27713 -55.1 275 80 711.5 41 12 29568 -52.1 275 95 783.1 42 10 30740 -56.3 275 104 809.4 43 9.2 31272 -54.5 835.8 44 8.1 32095 -50.5 882.7 45 6.4 33615 -55.3 923.8 46 6.2 33817 -54.5 935.7 47 5.9 34138 -50.1 968.1 48 5.3 34840 -49.3 1001.9 TRP 362 7864 -41.1 -47.1 52 6.0 -41.4 250 43 310.3 310.3 285.6 310.9 0.15 WND 233 10835 -46.9 255 64 343.2 Sounding variables and indices 1000-500 mb thick: 5472.00 m Freezing level: 759.98 mb = 2404.66 m = 7889.21 ft Wetbulb zero: 781.81 mb = 2142.11 m = 7027.84 ft Precipitable water: 0.52 inches Sfc-500 mean rel hum: 71.56 % Est. max temperature: 13.95 C = 57.12 F Sfc-Lift cond lev (LCL): 834.55 mb = 1615.91 m = 5301.49 ft T: 6.91 C 700-500 lapse rate: 6.99 C/km ThetaE index: 10.92 C Layer 865.0- 590.0 mb Conv cond level (CCL): 772.01 mb = 2243.81 m = 7361.50 ft Mean mixing ratio: 5.50 g/kg Conv temperature: 13.72 C = 56.69 F Cap Strength: 0.52 C Lifted Index: -1.64 C Risk: Thunderstorms probable Lifted Index @300 mb: 8.85 C Lifted Index @700 mb: -1.89 C Showalter Index: -1.11 C Risk: Thunderstorms probable Total Totals Index: 57.00 C Risk: Severe Thunderstorms probable Vertical Totals Index: 31.50 C Cross Totals Index: 25.50 C K Index: 31.80 Risk: 60-80 % chance of thunderstorms Sweat Index: 244.40 Risk: None Energy Index: -0.80 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 401.57 J/kg Max Up Vert Vel: 28.34 m/s Conv Inhibition (B-): 5.35 J/kg Cap Strength: 0.52 C Lift Cond Lev (LCL): 779.05 mb = 2170.59 m = 7121.26 ft Lev Free Conv (LFC): 754.05 mb = 2433.52 m = 7983.89 ft Equ Level (EL): 364.05 mb = 7825.48 m = 25673.84 ft B at Equ Level: 399.91 J/kg Max Parcel Lev (MPL): 294.05 mb = 9275.11 m = 30429.77 ft Wind level data Storm motion: 276 at 18 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 ---------------------------------------------------------- 0 900 997 325 3 1.7 -2.5 | 88 16 -16.2 -0.7 1 850 1468 240 13 11.3 6.5 | 141 11 -6.7 8.3 2 700 3032 230 19 14.6 12.2 | 166 14 -3.4 14.0 3 500 5580 255 32 30.9 8.3 | 232 16 13.0 10.0 4 400 7180 245 37 33.5 15.6 | 222 23 15.6 17.4 5 362 7864 250 43 40.4 14.7 | 234 28 22.5 16.5 6 300 9140 250 55 51.7 18.8 | 239 40 33.7 20.6 7 250 10370 250 54 50.7 18.5 | 238 39 32.8 20.2 8 233 10835 255 64 61.8 16.6 | 247 48 43.9 18.3 9 200 11840 260 61 60.1 10.6 | 254 44 42.1 12.3 10 150 13710 255 52 50.2 13.5 | 245 36 32.3 15.2 11 100 16260 260 36 35.5 6.3 | 245 19 17.5 8.0 12 70 18470 255 50 48.3 12.9 | 244 34 30.4 14.7 13 50 20560 255 51 49.3 13.2 | 244 35 31.3 15.0 14 30 23770 265 47 46.8 4.1 | 259 29 28.9 5.8 15 20 26290 275 69 68.7 -6.0 | 275 51 50.8 -4.3 16 10 30740 275 104 103.6 -9.1 | 275 86 85.7 -7.3 Wind Parameters Mean winds (0-6000m): 245.6 at 24.0 knts Storm direction: 275.6 at 18.0 knts Shear (0-3000m) pos: 1.0 neg: 3.3 tot: 4.4 10-3/s Storm rel Dir Shear (0-3000m): 103.3 deg Storm rel helicity (0-3000m) pos: 62.0 neg: -3.1 tot: 58.9 m^2/s^2 ave: 19.6 10^-3 m/s^2 rel: 0.70 Storm rel vorticity (0-3000m) horiz: 4.9 stream: 3.4 10^-3/s Energy-Hel index: 0.10 Bulk Rich Number: 12.12 Bulk Shear: 33.14 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 ------------------------------------------------------------------------------- 500 251 8 113 11| 0.0 13.6 13.6| 22.9 -3.1 19.8 39.5 0.54| 16.3 8.8 1000 243 11 130 11| 0.0 7.8 7.8| 28.5 -3.1 25.4 25.4 0.59| 9.2 5.4 1500 239 13 140 11| 0.0 5.9 5.9| 33.9 -3.1 30.8 20.5 0.61| 6.9 4.2 2000 236 14 147 11| 0.0 5.0 5.0| 38.9 -3.1 35.8 17.9 0.62| 5.7 3.5 2500 235 15 153 12| 0.6 4.0 4.6| 50.0 -3.1 46.9 18.7 0.66| 5.2 3.4 3000 236 16 159 12| 1.0 3.3 4.4| 62.0 -3.1 58.9 19.6 0.70| 4.9 3.4 4000 240 19 173 11| 1.6 2.5 4.1| 87.9 -3.1 84.8 21.2 0.75| 4.5 3.4 5000 244 22 188 11| 1.7 2.2 3.9|104.7 -6.9 97.8 19.6 0.72| 4.3 3.1 6000 246 24 199 12| 1.4 2.2 3.6|104.7 -19.2 85.5 14.3 0.59| 4.0 2.4 Wrote GIF file: /home/apache/climate/data/raob//LTBM/skewt/LTBM.skewt.20251130.12.gif