UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120212.upa.cvt Date: 1200Z 2 DEC 25 Searching for LTBM... Searching the city database file for: LTBM ... Date:1200Z 2 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 165 1 925 819 SFC 906 997 12.6 3.6 54 9.0 7.9 10 4 293.9 294.9 285.2 309.9 5.47 3 850 1524 8.4 -1.6 49 10.0 3.7 155 6 294.9 295.7 284.1 306.8 4.00 4 780 2225 1.4 -4.6 64 6.0 -1.2 206 6 294.8 295.4 283.4 305.1 3.48 5 767 2360 1.0 -9.0 47 10.0 -2.9 216 7 295.8 296.2 282.7 303.4 2.52 6 736 2691 0.4 -22.6 16 23.0 -6.0 240 7 298.6 298.8 281.9 301.3 0.85 7 710 2979 -1.3 -17.3 28 16.0 -6.4 262 7 299.8 300.1 283.1 304.2 1.38 8 700 3092 -1.3 -17.3 28 16.0 -6.4 270 7 301.0 301.3 283.6 305.5 1.40 9 675 3381 -3.3 -26.3 15 23.0 -9.0 273 9 302.0 302.1 283.1 304.1 0.66 10 568 4732 -10.1 -29.1 19 19.0 -14.3 286 16 309.2 309.4 285.8 311.3 0.61 11 547 5021 -13.3 -33.3 17 20.0 -17.0 288 18 308.8 308.9 285.4 310.3 0.42 12 502 5670 -18.1 -32.1 28 14.0 -20.6 295 22 310.6 310.7 286.2 312.4 0.52 13 500 5700 -18.1 -32.1 28 14.0 -20.6 295 22 311.0 311.1 286.3 312.8 0.52 14 400 7320 -32.5 -45.5 26 13.0 -33.6 270 34 312.7 312.8 286.5 313.4 0.16 15 325 8756 -44.1 -51.1 46 7.0 -44.4 274 40 315.9 315.9 287.5 316.3 0.11 16 300 9290 -48.5 -56.5 39 8.0 -48.7 275 42 317.0 317.0 287.8 317.2 0.06 17 250 10460 -56.5 275 40 322.1 18 239 10746 -58.5 277 41 323.2 19 226 11098 -61.1 280 43 324.5 20 218 11323 -61.3 279 45 327.5 21 200 11860 -62.3 275 51 334.1 22 180 12513 -61.3 273 50 346.0 23 150 13650 -59.3 270 49 367.9 24 124 14849 -59.3 263 46 388.5 25 100 16200 -60.3 255 42 411.2 26 84 17286 -59.3 262 44 434.3 27 70 18420 -61.3 270 47 453.2 28 68 18600 -61.1 270 46 457.4 29 68 18600 -60.1 270 46 459.6 30 56 19814 -60.1 270 38 485.8 31 50 20520 -61.1 270 34 499.5 32 42 21598 -62.1 272 40 522.6 33 31 23476 -61.3 275 52 572.1 34 30 23680 -60.3 275 53 580.3 35 20 26200 -61.5 285 84 647.9 36 16 27593 -62.3 285 95 688.0 37 11 29955 -56.5 285 112 786.9 38 10 30560 -58.3 285 117 801.9 39 8.0 31965 -58.1 855.6 40 5.2 34704 -54.1 985.7 41 5.0 34957 -51.5 280 148 1008.9 42 4.9 35088 -50.1 1021.0 TRP 226 11098 -61.1 280 43 324.5 WND 5.0 34957 -51.5 280 148 1008.9 Sounding variables and indices 1000-500 mb thick: 5535.00 m Freezing level: 729.88 mb = 2759.00 m = 9051.74 ft Wetbulb zero: 796.68 mb = 2052.23 m = 6732.95 ft Precipitable water: 0.33 inches Sfc-500 mean rel hum: 30.48 % Est. max temperature: 15.34 C = 59.62 F Sfc-Lift cond lev (LCL): 790.61 mb = 2114.63 m = 6937.67 ft T: 2.50 C 700-500 lapse rate: 6.44 C/km ThetaE index: 8.52 C Layer 850.0- 710.0 mb Conv cond level (CCL): 665.60 mb = 3491.16 m = 11453.81 ft Mean mixing ratio: 4.33 g/kg Conv temperature: 20.97 C = 69.75 F Cap Strength: 6.52 C Lifted Index: 5.90 C Risk: None Lifted Index @300 mb: 7.00 C Lifted Index @700 mb: 4.13 C Showalter Index: 6.26 C Risk: None Total Totals Index: 43.00 C Risk: None Vertical Totals Index: 26.50 C Cross Totals Index: 16.50 C K Index: 8.90 Risk: None Sweat Index: 34.00 Risk: None Energy Index: 1.30 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 3.77 J/kg Max Up Vert Vel: 2.75 m/s Conv Inhibition (B-): 52102.50 J/kg Cap Strength: 6.31 C Lift Cond Lev (LCL): 744.28 mb = 2601.53 m = 8535.09 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 312 at 11 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 ---------------------------------------------------------- 0 906 997 10 4 -0.7 -3.9 | 111 9 -8.7 3.4 1 850 1524 155 6 -2.5 5.4 | 140 17 -10.6 12.7 2 700 3092 270 7 7.0 -0.0 | 172 7 -1.0 7.3 3 500 5700 295 22 19.9 -9.3 | 279 12 11.9 -2.0 4 400 7320 270 34 34.0 -0.0 | 254 27 26.0 7.3 5 300 9290 275 42 41.8 -3.7 | 264 34 33.8 3.7 6 250 10460 275 40 39.8 -3.5 | 263 32 31.8 3.8 7 226 11098 280 43 42.3 -7.5 | 270 34 34.3 -0.2 8 200 11860 275 51 50.8 -4.4 | 266 43 42.8 2.9 9 150 13650 270 49 49.0 -0.0 | 260 42 41.0 7.3 10 100 16200 255 42 40.6 10.9 | 241 37 32.5 18.2 11 70 18420 270 47 47.0 -0.0 | 259 40 39.0 7.3 12 50 20520 270 34 34.0 -0.0 | 254 27 26.0 7.3 13 30 23680 275 53 52.8 -4.6 | 267 45 44.8 2.7 14 20 26200 285 84 81.1 -21.7 | 281 75 73.1 -14.4 15 10 30560 285 117 113.0 -30.3 | 282 107 105.0 -23.0 Wind Parameters Mean winds (0-6000m): 282.3 at 14.5 knts Storm direction: 312.3 at 10.9 knts Shear (0-3000m) pos: 2.2 neg: 0.0 tot: 2.2 10-3/s Storm rel Dir Shear (0-3000m): 105.3 deg Storm rel helicity (0-3000m) pos: 72.4 neg: -0.7 tot: 71.7 m^2/s^2 ave: 23.9 10^-3 m/s^2 rel: 0.67 Storm rel vorticity (0-3000m) horiz: 5.3 stream: 3.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.08 Bulk Shear: 49.86 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 ------------------------------------------------------------------------------- 500 108 5 125 16| 9.5 0.0 9.5| 30.0 -0.7 29.3 58.6 0.60| 12.3 7.4 1000 159 6 141 16| 5.3 0.0 5.3| 48.0 -0.7 47.3 47.3 0.69| 8.5 5.9 1500 183 6 149 15| 3.5 0.0 3.5| 58.8 -0.7 58.1 38.7 0.70| 7.1 4.9 2000 205 6 157 14| 2.3 0.0 2.3| 62.7 -0.7 62.0 31.0 0.63| 6.4 4.0 2500 231 6 165 12| 2.2 0.0 2.2| 67.0 -0.7 66.3 26.5 0.64| 5.8 3.7 3000 250 7 172 10| 2.2 0.0 2.2| 72.4 -0.7 71.7 23.9 0.67| 5.3 3.6 4000 272 9 189 7| 2.3 0.0 2.3| 84.1 -0.7 83.5 20.9 0.71| 4.8 3.4 5000 283 12 215 6| 2.1 0.4 2.5| 94.3 -4.8 89.5 17.9 0.65| 4.6 3.0 6000 282 14 235 7| 1.7 1.2 2.9| 94.3 -31.5 62.9 10.5 0.43| 4.8 2.1 Wrote GIF file: /home/apache/climate/data/raob//LTBM/skewt/LTBM.skewt.20251202.12.gif