UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042200.upa.cvt Date: 0000Z 22 APR 25 Searching for LTBM... Searching the city database file for: LTBM ... Date:0000Z 22 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 124 1 925 773 SFC 900 997 10.4 5.4 71 5.0 7.7 90 1 292.2 293.3 285.4 310.2 6.25 3 888 1111 12.0 6.0 67 6.0 8.7 64 2 295.0 296.2 286.8 314.2 6.61 4 853 1452 12.6 4.6 58 8.0 8.2 347 4 299.0 300.2 287.9 317.5 6.24 5 850 1482 12.6 4.6 58 8.0 8.2 340 4 299.3 300.5 288.1 317.9 6.26 6 771 2296 8.6 2.6 66 6.0 5.4 290 12 303.5 304.6 289.2 321.6 5.99 7 726 2792 5.4 -1.6 61 7.0 2.0 259 17 305.3 306.1 288.6 319.6 4.69 8 700 3089 2.8 -3.2 65 6.0 -0.0 240 20 305.6 306.4 288.3 318.9 4.31 9 684 3276 2.0 -8.0 47 10.0 -2.3 241 20 306.7 307.3 287.5 316.3 3.06 10 618 4083 -5.5 -10.1 70 4.6 -7.3 244 22 307.1 307.7 287.5 316.2 2.87 11 612 4160 -5.7 -11.7 63 6.0 -7.9 244 22 307.8 308.3 287.3 315.9 2.55 12 505 5635 -16.9 -24.9 50 8.0 -18.7 250 26 311.5 311.7 287.1 314.9 1.00 13 502 5680 -17.7 -24.7 54 7.0 -19.3 250 26 311.1 311.3 286.9 314.6 1.03 14 500 5710 -17.9 -24.9 54 7.0 -19.5 250 26 311.2 311.4 286.9 314.6 1.01 15 454 6424 -23.7 -28.7 63 5.0 -24.6 250 32 312.7 312.8 287.2 315.4 0.79 16 431 6803 -25.3 -31.3 57 6.0 -26.3 250 36 315.3 315.4 287.9 317.6 0.65 17 426 6887 -25.7 -35.7 39 10.0 -27.1 250 37 315.8 315.9 287.9 317.4 0.43 18 400 7340 -29.9 -42.9 27 13.0 -31.2 250 41 316.1 316.2 287.7 316.9 0.22 19 339 8507 -37.7 -45.7 43 8.0 -38.3 256 50 320.8 320.9 289.2 321.5 0.19 20 332 8651 -39.1 -46.1 47 7.0 -39.6 256 51 320.8 320.9 289.2 321.5 0.18 21 300 9340 -45.7 -52.7 45 7.0 -46.0 260 57 320.9 321.0 289.2 321.3 0.10 22 274 9936 -50.5 -57.5 43 7.0 -50.7 260 57 322.4 322.4 289.6 322.7 0.06 23 264 10177 -50.9 -58.9 38 8.0 -51.1 256 56 325.3 325.3 290.4 325.5 0.05 24 250 10530 -52.1 -61.1 33 9.0 -52.3 250 55 328.6 328.6 291.4 328.8 0.04 25 219 11386 -53.7 262 68 338.8 26 211 11625 -53.8 265 72 342.3 27 200 11970 -53.9 260 53 347.4 28 161 13357 -53.7 252 45 370.0 29 150 13810 -53.9 250 42 377.2 30 100 16370 -61.7 265 27 408.5 31 93 16819 -61.3 260 25 417.9 32 86 17302 -61.7 254 24 426.5 33 71 18483 -63.1 241 19 447.6 34 70 18570 -63.1 240 19 449.4 35 59 19620 -62.1 283 11 474.2 36 50 20640 -62.3 325 4 496.7 37 49 20765 -61.3 318 4 501.9 38 42 21722 -60.9 264 6 525.5 39 30 23830 -57.3 145 9 588.4 40 24 25257 -56.7 200 8 629.0 41 20 26430 -53.7 245 8 671.8 42 19 26760 -54.3 245 10 679.9 43 19 26760 -54.3 245 10 679.9 44 19 26760 -54.5 245 10 679.2 45 13 29234 -48.1 248 29 779.3 46 10 30980 -44.7 250 41 852.7 47 9.1 31616 -41.1 889.8 48 5.1 35609 -34.3 1080.8 49 4.5 36486 -33.7 1123.0 TRP 274 9936 -50.5 -57.5 43 7.0 -50.7 260 57 322.4 322.4 289.6 322.7 0.06 WND 211 11625 -53.8 265 72 342.3 Sounding variables and indices 1000-500 mb thick: 5586.00 m Freezing level: 666.40 mb = 3491.20 m = 11453.94 ft Wetbulb zero: 700.51 mb = 3083.10 m = 10115.03 ft Precipitable water: 0.69 inches Sfc-500 mean rel hum: 59.56 % Est. max temperature: 22.13 C = 71.84 F Sfc-Lift cond lev (LCL): 834.19 mb = 1638.71 m = 5376.28 ft T: 11.83 C 700-500 lapse rate: 7.90 C/km ThetaE index: 7.04 C Layer 726.0- 500.0 mb Conv cond level (CCL): 679.36 mb = 3330.03 m = 10925.17 ft Mean mixing ratio: 6.29 g/kg Conv temperature: 24.50 C = 76.10 F Cap Strength: 4.88 C Lifted Index: 0.13 C Risk: Showers probable Lifted Index @300 mb: 3.09 C Lifted Index @700 mb: 3.60 C Showalter Index: -0.34 C Risk: Thunderstorms probable Total Totals Index: 53.00 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 30.50 C Cross Totals Index: 22.50 C K Index: 29.10 Risk: 40-60 % chance of thunderstorms Sweat Index: 169.20 Risk: None Energy Index: -0.60 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 38.60 J/kg Max Up Vert Vel: 8.79 m/s Conv Inhibition (B-): 358.32 J/kg Cap Strength: 4.88 C Lift Cond Lev (LCL): 762.36 mb = 2389.08 m = 7838.08 ft Lev Free Conv (LFC): 487.36 mb = 5899.36 m = 19354.62 ft Equ Level (EL): 447.36 mb = 6531.08 m = 21427.18 ft B at Equ Level: 37.32 J/kg Max Parcel Lev (MPL): 397.36 mb = 7386.71 m = 24234.32 ft Wind level data Storm motion: 278 at 15 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 90 1 -1.0 0.0 | 98 16 -16.3 2.3 1 850 1482 340 4 1.4 -3.8 | 84 14 -14.0 -1.5 2 700 3089 240 20 17.3 10.0 | 189 12 2.0 12.3 3 500 5710 250 26 24.4 8.9 | 219 14 9.1 11.1 4 400 7340 250 41 38.5 14.0 | 235 28 23.2 16.3 5 300 9340 260 57 56.1 9.9 | 253 43 40.8 12.2 6 274 9936 260 57 56.1 9.9 | 253 43 40.8 12.2 7 250 10530 250 55 51.7 18.8 | 240 42 36.3 21.1 8 211 11625 265 72 71.7 6.3 | 261 57 56.4 8.5 9 200 11970 260 53 52.2 9.2 | 253 39 36.9 11.5 10 150 13810 250 42 39.5 14.4 | 235 29 24.1 16.6 11 100 16370 265 27 26.9 2.4 | 248 12 11.6 4.6 12 70 18570 240 19 16.5 9.5 | 185 12 1.1 11.8 13 50 20640 325 4 2.3 -3.3 | 86 13 -13.0 -1.0 14 30 23830 145 9 -5.2 7.4 | 115 23 -20.5 9.6 15 20 26430 245 8 7.3 3.4 | 125 10 -8.1 5.6 16 10 30980 250 41 38.5 14.0 | 235 28 23.2 16.3 Wind Parameters Mean winds (0-6000m): 248.4 at 20.7 knts Storm direction: 278.4 at 15.5 knts Shear (0-3000m) pos: 0.2 neg: 3.7 tot: 4.0 10-3/s Storm rel Dir Shear (0-3000m): 102.2 deg Storm rel helicity (0-3000m) pos: 10.9 neg: -30.9 tot: -20.0 m^2/s^2 ave: -6.7 10^-3 m/s^2 rel: -0.03 Storm rel vorticity (0-3000m) horiz: 6.0 stream: -0.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.63 Bulk Shear: 61.00 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 ------------------------------------------------------------------------------- 500 354 3 89 15| 0.0 4.7 4.7| 0.0 -17.8 -17.8 -35.5 -0.71| 6.0 -4.2 1000 326 5 83 13| 0.0 5.1 5.1| 0.0 -28.0 -28.0 -28.0 -0.61| 6.2 -3.8 1500 295 7 86 9| 0.0 5.2 5.2| 1.3 -28.8 -27.5 -18.4 -0.29| 6.9 -2.0 2000 261 9 121 7| 0.0 5.1 5.1| 2.9 -29.6 -26.6 -13.3 -0.10| 7.9 -0.8 2500 250 11 144 8| 0.0 4.5 4.5| 6.4 -30.9 -24.5 -9.8 -0.07| 6.9 -0.5 3000 248 13 156 8| 0.2 3.7 4.0| 10.9 -30.9 -20.0 -6.7 -0.03| 6.0 -0.2 4000 247 16 174 8| 0.5 2.8 3.3| 20.2 -30.9 -10.7 -2.7 0.04| 4.9 0.2 5000 248 18 188 9| 0.9 2.2 3.1| 32.3 -30.9 1.5 0.3 0.11| 4.4 0.5 6000 248 21 201 11| 0.7 2.7 3.4| 50.3 -30.9 19.4 3.2 0.15| 4.4 0.7 Wrote GIF file: /home/apache/climate/data/raob//LTBM/skewt/LTBM.skewt.20250422.00.gif