UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042512.upa.cvt Date: 1200Z 25 APR 25 Searching for LTBM... Searching the city database file for: LTBM ... Date:1200Z 25 APR 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 73 1 925 734 SFC 897 997 15.0 10.0 72 5.0 12.0 150 7 297.2 298.8 289.5 322.4 8.62 3 871 1244 12.6 5.6 62 7.0 8.7 186 8 297.3 298.4 287.6 316.5 6.56 4 850 1448 10.8 3.8 62 7.0 7.1 215 8 297.5 298.5 287.1 314.9 5.92 5 700 3032 -1.7 -6.0 72 4.3 -3.5 255 14 300.6 301.2 285.8 311.2 3.49 6 692 3123 -1.9 -6.2 72 4.3 -3.7 254 14 301.4 302.0 286.0 312.0 3.47 7 641 3727 -6.5 -11.5 68 5.0 -8.3 251 17 302.8 303.3 285.5 310.5 2.47 8 636 3788 -5.9 -11.9 63 6.0 -8.1 251 17 304.2 304.6 285.9 311.8 2.41 9 635 3800 -5.9 -12.9 58 7.0 -8.4 251 17 304.3 304.7 285.8 311.3 2.23 10 621 3975 -5.9 -19.9 32 14.0 -10.0 250 18 306.3 306.5 285.5 310.4 1.27 11 613 4076 -6.9 -21.9 29 15.0 -11.1 249 18 306.2 306.5 285.2 309.8 1.08 12 608 4140 -7.7 -22.7 29 15.0 -11.7 249 18 306.0 306.2 285.1 309.4 1.01 13 500 5630 -18.3 -28.3 41 10.0 -20.3 240 24 310.7 310.9 286.5 313.3 0.74 14 498 5660 -18.3 -26.3 49 8.0 -20.0 240 24 311.1 311.3 286.8 314.1 0.90 15 489 5796 -18.9 -26.9 49 8.0 -20.5 240 25 312.0 312.1 287.1 314.9 0.86 16 400 7260 -30.3 -56.3 6 26.0 -31.9 240 34 315.6 315.6 287.3 315.8 0.05 17 377 7679 -33.1 -53.1 12 20.0 -34.4 239 37 317.3 317.3 287.9 317.6 0.07 18 340 8396 -39.5 -57.5 13 18.0 -40.2 237 42 318.1 318.1 288.2 318.3 0.05 19 300 9240 -46.7 -58.7 24 12.0 -47.1 235 48 319.5 319.5 288.6 319.7 0.05 20 269 9956 -51.3 235 52 323.0 21 253 10353 -52.3 239 52 327.2 22 250 10430 -52.1 240 52 328.6 23 200 11880 -53.7 240 52 347.7 24 176 12706 -52.7 251 48 362.3 25 150 13740 -53.1 265 43 378.6 26 121 15122 -54.3 252 32 400.4 27 100 16340 -55.9 240 23 419.7 28 84 17446 -57.3 247 22 438.3 29 70 18600 -56.9 255 20 462.7 30 65 19069 -59.3 238 18 467.3 31 56 20007 -59.1 205 13 488.1 32 50 20720 -59.5 180 10 503.3 33 45 21385 -58.1 190 10 522.1 34 31 23751 -56.5 227 8 585.1 35 30 23960 -56.9 230 8 589.5 36 20 26560 -52.5 255 16 675.5 37 15 28425 -49.7 247 23 742.7 38 10 31120 -41.9 235 33 863.1 39 8.4 32316 -35.9 930.8 TRP 269 9956 -51.3 235 52 323.0 WND Sounding variables and indices 1000-500 mb thick: 5557.00 m Freezing level: 720.40 mb = 2816.58 m = 9240.62 ft Wetbulb zero: 749.72 mb = 2472.19 m = 8110.75 ft Precipitable water: 0.57 inches Sfc-500 mean rel hum: 54.43 % Est. max temperature: 17.29 C = 63.13 F Sfc-Lift cond lev (LCL): 832.22 mb = 1620.43 m = 5316.32 ft T: 9.44 C 700-500 lapse rate: 6.39 C/km ThetaE index: 11.13 C Layer 871.0- 692.0 mb Conv cond level (CCL): 747.31 mb = 2498.39 m = 8196.73 ft Mean mixing ratio: 6.15 g/kg Conv temperature: 17.28 C = 63.11 F Cap Strength: 1.38 C Lifted Index: 0.49 C Risk: Showers probable Lifted Index @300 mb: 3.03 C Lifted Index @700 mb: -0.31 C Showalter Index: 1.02 C Risk: Showers probable Total Totals Index: 51.20 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 29.10 C Cross Totals Index: 22.10 C K Index: 28.60 Risk: 40-60 % chance of thunderstorms Sweat Index: 129.60 Risk: None Energy Index: -0.33 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 15.96 J/kg Max Up Vert Vel: 5.65 m/s Conv Inhibition (B-): 31.33 J/kg Cap Strength: 1.38 C Lift Cond Lev (LCL): 768.00 mb = 2275.64 m = 7465.92 ft Lev Free Conv (LFC): 703.00 mb = 2997.11 m = 9832.91 ft Equ Level (EL): 633.00 mb = 3824.76 m = 12548.26 ft B at Equ Level: 14.78 J/kg Max Parcel Lev (MPL): 583.00 mb = 4459.65 m = 14631.21 ft Wind level data Storm motion: 271 at 14 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 ---------------------------------------------------------- 0 897 997 150 7 -3.5 6.1 | 110 18 -17.3 6.4 1 850 1448 215 8 4.6 6.6 | 127 11 -9.2 6.9 2 700 3032 255 14 13.5 3.6 | 176 4 -0.2 4.0 3 500 5630 240 24 20.8 12.0 | 210 14 7.0 12.4 4 400 7260 240 34 29.4 17.0 | 222 23 15.7 17.4 5 300 9240 235 48 39.3 27.5 | 222 38 25.5 27.9 6 269 9956 235 52 42.6 29.8 | 224 42 28.8 30.2 7 250 10430 240 52 45.0 26.0 | 230 41 31.3 26.4 8 200 11880 240 52 45.0 26.0 | 230 41 31.3 26.4 9 150 13740 265 43 42.8 3.7 | 262 29 29.1 4.1 10 100 16340 240 23 19.9 11.5 | 207 13 6.1 11.9 11 70 18600 255 20 19.3 5.2 | 225 8 5.5 5.5 12 50 20720 180 10 0.0 10.0 | 127 17 -13.8 10.4 13 30 23960 230 8 6.1 5.1 | 126 9 -7.6 5.5 14 20 26560 255 16 15.5 4.1 | 201 5 1.7 4.5 15 10 31120 235 33 27.0 18.9 | 215 23 13.3 19.3 Wind Parameters Mean winds (0-6000m): 241.5 at 18.4 knts Storm direction: 271.5 at 13.8 knts Shear (0-3000m) pos: 2.9 neg: 0.7 tot: 3.6 10-3/s Storm rel Dir Shear (0-3000m): 92.8 deg Storm rel helicity (0-3000m) pos: 35.7 neg: 0.0 tot: 35.7 m^2/s^2 ave: 11.9 10^-3 m/s^2 rel: 0.59 Storm rel vorticity (0-3000m) horiz: 3.8 stream: 2.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.53 Bulk Shear: 30.16 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 ------------------------------------------------------------------------------- 500 188 8 122 15| 8.6 0.0 8.6| 19.9 0.0 19.9 39.8 0.54| 9.0 4.9 1000 209 8 128 12| 5.7 0.0 5.7| 25.2 0.0 25.2 25.2 0.58| 5.9 3.4 1500 221 9 134 11| 4.8 0.0 4.8| 29.2 0.0 29.2 19.5 0.59| 5.0 2.9 2000 233 10 139 9| 4.4 0.0 4.4| 32.2 0.0 32.2 16.1 0.59| 4.6 2.7 2500 239 11 145 7| 3.5 0.4 3.9| 34.1 0.0 34.1 13.6 0.61| 4.1 2.5 3000 242 12 152 7| 2.9 0.7 3.6| 35.7 0.0 35.7 11.9 0.59| 3.8 2.3 4000 243 14 169 7| 2.2 1.1 3.3| 37.8 0.0 37.8 9.5 0.53| 3.4 1.8 5000 242 16 183 8| 1.7 1.4 3.1| 42.3 -0.0 42.3 8.5 0.48| 3.3 1.6 6000 241 18 195 9| 1.5 1.6 3.1| 54.0 -0.0 54.0 9.0 0.47| 3.2 1.5 Wrote GIF file: /home/apache/climate/data/raob//LTBM/skewt/LTBM.skewt.20250425.12.gif