UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025050212.upa.cvt Date: 1200Z 2 MAY 25 Searching for LTBM... Searching the city database file for: LTBM ... Date:1200Z 2 MAY 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 79 1 925 744 SFC 898 997 16.8 9.8 63 7.0 12.6 75 8 299.0 300.6 289.9 323.9 8.50 3 866 1304 12.8 5.8 62 7.0 8.9 85 11 298.0 299.2 287.9 317.6 6.69 4 850 1460 11.0 5.0 66 6.0 7.7 90 12 297.7 298.8 287.6 316.6 6.44 5 778 2189 3.8 0.5 79 3.3 2.2 117 8 297.6 298.5 286.3 312.7 5.10 6 724 2770 -0.5 -4.7 73 4.2 -2.3 140 5 299.0 299.7 285.4 310.3 3.72 7 700 3039 -2.5 -7.5 68 5.0 -4.5 150 3 299.7 300.3 285.0 309.2 3.11 8 685 3210 -2.5 -7.4 69 4.9 -4.5 143 3 301.6 302.2 285.8 311.4 3.20 9 619 4008 -4.5 -11.5 58 7.0 -7.1 110 5 308.2 308.6 287.5 316.3 2.56 10 588 4407 -10.3 -15.3 67 5.0 -11.9 93 6 306.0 306.3 286.1 312.3 1.98 11 500 5630 -19.5 -26.5 54 7.0 -21.0 40 9 309.3 309.4 286.1 312.2 0.88 12 440 6569 -27.1 -39.1 31 12.0 -28.5 14 8 311.2 311.2 286.1 312.2 0.29 13 400 7250 -33.3 -43.3 36 10.0 -34.1 355 8 311.7 311.7 286.2 312.5 0.21 14 358 8017 -39.9 -49.9 34 10.0 -40.4 327 7 312.9 312.9 286.5 313.3 0.11 15 320 8773 -45.3 -56.3 28 11.0 -45.7 298 6 315.6 315.6 287.3 315.9 0.06 16 304 9113 -47.9 -60.9 21 13.0 -48.2 285 6 316.6 316.6 287.7 316.8 0.03 17 300 9200 -47.9 -61.9 18 14.0 -48.3 305 6 317.8 317.8 288.1 318.0 0.03 18 266 9993 -47.7 315 6 329.3 19 250 10400 -49.9 320 6 331.9 20 219 11268 -51.7 296 11 341.9 21 200 11860 -51.3 280 15 351.5 22 163 13191 -50.3 241 20 374.4 23 154 13560 -52.3 230 21 377.1 24 150 13730 -52.3 225 22 380.0 25 101 16276 -55.1 235 29 420.1 26 100 16340 -55.3 235 29 420.9 27 70 18600 -58.9 215 21 458.4 28 68 18784 -57.1 213 20 466.1 29 50 20730 -58.9 195 14 504.7 30 49 20857 -57.5 194 14 510.9 31 34 23177 -54.5 184 8 575.1 32 30 23980 -53.1 180 6 599.9 33 25 25150 -55.7 124 6 624.5 34 20 26590 -50.7 55 6 681.0 35 16 28052 -49.5 729.8 36 12 29959 -45.1 807.9 37 11 30540 -45.7 826.1 38 11 30540 -45.3 827.6 39 10 31180 -43.1 858.7 40 8.8 32048 -39.3 905.3 41 7.4 33251 -33.3 975.8 TRP 304 9113 -47.9 -60.9 21 13.0 -48.2 285 6 316.6 316.6 287.7 316.8 0.03 WND Sounding variables and indices 1000-500 mb thick: 5551.00 m Freezing level: 730.28 mb = 2702.55 m = 8866.52 ft Wetbulb zero: 751.82 mb = 2465.78 m = 8089.72 ft Precipitable water: 0.63 inches Sfc-500 mean rel hum: 66.06 % Est. max temperature: 16.18 C = 61.13 F Sfc-Lift cond lev (LCL): 808.80 mb = 1869.47 m = 6133.36 ft T: 6.96 C 700-500 lapse rate: 6.56 C/km ThetaE index: 14.75 C Layer 866.0- 685.0 mb Conv cond level (CCL): 779.97 mb = 2168.62 m = 7114.82 ft Mean mixing ratio: 6.55 g/kg Conv temperature: 15.40 C = 59.72 F Cap Strength: 2.22 C Lifted Index: -1.53 C Risk: Thunderstorms probable Lifted Index @300 mb: 0.83 C Lifted Index @700 mb: -1.73 C Showalter Index: -1.18 C Risk: Thunderstorms probable Total Totals Index: 55.00 C Risk: Severe Thunderstorms probable Vertical Totals Index: 30.50 C Cross Totals Index: 24.50 C K Index: 30.50 Risk: 60-80 % chance of thunderstorms Sweat Index: 213.00 Risk: None Energy Index: -0.93 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 347.98 J/kg Max Up Vert Vel: 26.38 m/s Conv Inhibition (B-): 5.64 J/kg Cap Strength: 1.90 C Lift Cond Lev (LCL): 775.97 mb = 2210.50 m = 7252.22 ft Lev Free Conv (LFC): 770.97 mb = 2262.68 m = 7423.40 ft Equ Level (EL): 660.97 mb = 3491.36 m = 11454.45 ft B at Equ Level: 47.09 J/kg Max Parcel Lev (MPL): 250.97 mb = 10374.49 m = 34036.64 ft Wind level data Storm motion: 92 at 5 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 ---------------------------------------------------------- 0 898 997 75 8 -7.7 -2.1 | 45 3 -2.3 -2.3 1 850 1460 90 12 -12.0 0.0 | 88 7 -6.5 -0.2 2 700 3039 150 3 -1.5 2.6 | 239 5 4.0 2.4 3 500 5630 40 9 -5.8 -6.9 | 3 7 -0.3 -7.1 4 400 7250 355 8 0.7 -8.0 | 323 10 6.2 -8.2 5 304 9113 285 6 5.8 -1.6 | 279 11 11.3 -1.8 6 300 9200 305 6 4.9 -3.4 | 289 11 10.4 -3.7 7 250 10400 320 6 3.9 -4.6 | 297 10 9.3 -4.8 8 200 11860 280 15 14.8 -2.6 | 278 20 20.2 -2.8 9 150 13730 225 22 15.6 15.6 | 234 26 21.0 15.3 10 100 16340 235 29 23.8 16.6 | 241 34 29.2 16.4 11 70 18600 215 21 12.0 17.2 | 226 24 17.5 17.0 12 50 20730 195 14 3.6 13.5 | 214 16 9.1 13.3 13 30 23980 180 6 0.0 6.0 | 223 8 5.5 5.8 14 20 26590 55 6 -4.9 -3.4 | 352 4 0.5 -3.7 Wind Parameters Mean winds (0-6000m): 62.2 at 7.3 knts Storm direction: 92.2 at 5.5 knts Shear (0-3000m) pos: 1.3 neg: 0.6 tot: 1.9 10-3/s Storm rel Dir Shear (0-3000m): 154.5 deg Storm rel helicity (0-3000m) pos: 17.1 neg: -1.6 tot: 15.5 m^2/s^2 ave: 5.2 10^-3 m/s^2 rel: 0.63 Storm rel vorticity (0-3000m) horiz: 3.4 stream: 2.2 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 136.87 Bulk Shear: 2.54 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 85 10 76 5| 4.8 0.0 4.8| 4.7 0.0 4.7 9.3 0.76| 5.0 3.8 1000 92 10 92 5| 2.7 0.0 2.7| 9.9 0.0 9.9 9.9 0.81| 4.8 3.9 1500 97 9 103 4| 2.3 0.0 2.3| 13.6 0.0 13.6 9.1 0.86| 4.5 3.9 2000 96 8 105 3| 2.0 0.0 2.0| 17.0 0.0 17.0 8.5 0.88| 4.2 3.7 2500 100 7 120 2| 1.6 0.3 1.9| 17.1 -0.9 16.2 6.5 0.76| 3.7 2.8 3000 101 7 132 2| 1.3 0.6 1.9| 17.1 -1.6 15.5 5.2 0.63| 3.4 2.2 4000 93 7 97 1| 1.0 1.0 2.0| 17.1 -2.8 14.3 3.6 0.37| 3.3 1.2 5000 75 7 34 2| 0.8 1.1 1.9| 17.1 -8.4 8.7 1.7 0.19| 3.2 0.6 6000 62 7 15 4| 0.7 0.9 1.6| 17.1 -17.1 0.0 0.0 0.06| 3.0 0.2 Wrote GIF file: /home/apache/climate/data/raob//LTBM/skewt/LTBM.skewt.20250502.12.gif