UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042300.upa.cvt Date: 0000Z 23 APR 25 Searching for LTBM... Searching the city database file for: LTBM ... Date:0000Z 23 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 116 1 925 774 SFC 901 997 14.0 9.0 72 5.0 11.0 290 2 295.8 297.3 288.5 319.1 8.02 3 882 1176 14.0 6.0 58 8.0 9.5 308 3 297.6 298.9 287.8 317.2 6.66 4 850 1487 13.2 4.2 54 9.0 8.2 340 6 300.0 301.1 288.1 318.1 6.09 5 790 2100 10.0 1.0 54 9.0 5.3 300 12 302.9 303.9 288.3 318.7 5.21 6 747 2563 6.4 -0.6 61 7.0 2.9 270 17 303.9 304.8 288.3 318.8 4.90 7 700 3094 2.6 -3.4 65 6.0 -0.2 235 22 305.4 306.2 288.2 318.4 4.25 8 612 4164 -6.1 -8.9 81 2.8 -7.2 241 27 307.3 307.9 287.9 317.3 3.19 9 568 4743 -11.1 -15.1 72 4.0 -12.4 244 29 308.1 308.5 287.0 314.7 2.08 10 500 5710 -18.3 -25.3 54 7.0 -19.8 250 34 310.7 310.9 286.8 314.0 0.98 11 470 6170 -21.7 -27.7 58 6.0 -22.9 247 35 312.1 312.2 287.1 314.9 0.83 12 469 6186 -21.5 -27.5 58 6.0 -22.7 247 35 312.5 312.7 287.2 315.4 0.85 13 400 7340 -30.9 -36.9 56 6.0 -31.6 240 37 314.8 314.9 287.5 316.3 0.40 14 300 9320 -46.9 -51.2 61 4.3 -47.1 245 34 319.3 319.3 288.6 319.7 0.11 15 281 9748 -49.5 -53.8 61 4.3 -49.7 250 54 321.5 321.6 289.3 321.9 0.09 16 274 9912 -49.3 -54.2 56 4.9 -49.5 253 66 324.2 324.2 290.1 324.5 0.09 17 271 9983 -48.8 -54.2 54 5.4 -49.0 255 71 325.9 325.9 290.6 326.3 0.09 18 267 10081 -48.1 -54.1 50 6.0 -48.3 255 70 328.3 328.3 291.3 328.7 0.09 19 250 10510 -49.3 -58.3 34 9.0 -49.6 255 66 332.8 332.8 292.5 333.0 0.06 20 200 11970 -50.9 270 60 352.2 21 185 12478 -52.5 270 57 357.5 22 159 13462 -51.9 270 50 374.4 23 150 13840 -52.7 270 48 379.3 24 131 14709 -54.1 268 43 391.7 25 100 16420 -58.5 265 34 414.7 26 91 17007 -61.9 257 31 419.3 27 80 17803 -61.1 246 26 436.7 28 70 18630 -61.5 235 22 452.8 29 62 19384 -62.5 195 17 466.6 30 50 20720 -61.5 125 8 498.6 31 46 21237 -62.3 112 8 508.7 32 37 22600 -57.5 78 9 553.7 33 30 23930 -56.7 45 10 590.1 34 23 25633 -53.3 317 11 646.7 35 20 26540 -50.9 270 12 680.4 36 16 27994 -50.9 276 24 725.2 37 13 29362 -45.9 282 34 786.9 38 10 31120 -43.3 290 48 857.9 39 8.4 32297 -42.1 906.5 40 7.9 32715 -39.5 932.9 TRP 281 9748 -49.5 -53.8 61 4.3 -49.7 250 54 321.5 321.6 289.3 321.9 0.09 WND 271 9983 -48.8 -54.2 54 5.4 -49.0 255 71 325.9 325.9 290.6 326.3 0.09 Sounding variables and indices 1000-500 mb thick: 5594.00 m Freezing level: 673.70 mb = 3413.77 m = 11199.90 ft Wetbulb zero: 703.25 mb = 3056.20 m = 10026.79 ft Precipitable water: 0.70 inches Sfc-500 mean rel hum: 64.87 % Est. max temperature: 21.71 C = 71.07 F Sfc-Lift cond lev (LCL): 835.76 mb = 1628.56 m = 5342.99 ft T: 12.46 C 700-500 lapse rate: 7.99 C/km ThetaE index: 4.78 C Layer 700.0- 470.0 mb Conv cond level (CCL): 688.48 mb = 3226.11 m = 10584.23 ft Mean mixing ratio: 6.22 g/kg Conv temperature: 23.49 C = 74.28 F Cap Strength: 3.87 C Lifted Index: -0.86 C Risk: Thunderstorms probable Lifted Index @300 mb: 1.24 C Lifted Index @700 mb: 2.99 C Showalter Index: -0.83 C Risk: Thunderstorms probable Total Totals Index: 54.00 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 31.50 C Cross Totals Index: 22.50 C K Index: 29.70 Risk: 40-60 % chance of thunderstorms Sweat Index: 196.40 Risk: None Energy Index: -0.77 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 95.09 J/kg Max Up Vert Vel: 13.79 m/s Conv Inhibition (B-): 230.70 J/kg Cap Strength: 3.87 C Lift Cond Lev (LCL): 749.06 mb = 2540.66 m = 8335.39 ft Lev Free Conv (LFC): 584.06 mb = 4526.78 m = 14851.47 ft Equ Level (EL): 364.06 mb = 7988.05 m = 26207.20 ft B at Equ Level: 94.94 J/kg Max Parcel Lev (MPL): 274.06 mb = 9910.40 m = 32514.03 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 ---------------------------------------------------------- 0 901 997 290 2 1.9 -0.7 | 95 16 -16.2 1.3 1 850 1487 340 6 2.1 -5.6 | 77 16 -16.0 -3.7 2 700 3094 235 22 18.0 12.6 | 180 15 -0.0 14.6 3 500 5710 250 34 31.9 11.6 | 226 19 13.9 13.6 4 400 7340 240 37 32.0 18.5 | 214 25 14.0 20.5 5 300 9320 245 34 30.8 14.4 | 218 21 12.8 16.3 6 281 9748 250 54 50.7 18.5 | 238 39 32.7 20.4 7 271 9983 255 71 68.6 18.4 | 248 54 50.5 20.3 8 250 10510 255 66 63.8 17.1 | 247 50 45.7 19.1 9 200 11970 270 60 60.0 -0.0 | 267 42 41.9 2.0 10 150 13840 270 48 48.0 -0.0 | 266 30 29.9 2.0 11 100 16420 265 34 33.9 3.0 | 253 17 15.8 4.9 12 70 18630 235 22 18.0 12.6 | 180 15 -0.0 14.6 13 50 20720 125 8 -6.6 4.6 | 105 25 -24.6 6.6 14 30 23930 45 10 -7.1 -7.1 | 79 26 -25.1 -5.1 15 20 26540 270 12 12.0 -0.0 | 108 6 -6.1 2.0 16 10 31120 290 48 45.1 -16.4 | 298 31 27.1 -14.4 Wind Parameters Mean winds (0-6000m): 246.2 at 24.2 knts Storm direction: 276.2 at 18.2 knts Shear (0-3000m) pos: 1.0 neg: 4.4 tot: 5.4 10-3/s Storm rel Dir Shear (0-3000m): 102.6 deg Storm rel helicity (0-3000m) pos: 24.0 neg: -35.0 tot: -10.9 m^2/s^2 ave: -3.6 10^-3 m/s^2 rel: 0.06 Storm rel vorticity (0-3000m) horiz: 7.0 stream: 0.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.25 Bulk Shear: 76.22 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 ------------------------------------------------------------------------------- 500 328 4 85 16| 5.2 0.0 5.2| 0.0 -20.0 -20.0 -40.0 -0.90| 5.5 -5.0 1000 321 6 78 14| 2.6 3.5 6.1| 0.0 -32.2 -32.2 -32.2 -0.66| 6.4 -4.2 1500 296 9 80 10| 1.7 5.0 6.7| 2.6 -32.8 -30.2 -20.1 -0.25| 7.4 -1.9 2000 264 11 115 8| 1.3 5.8 7.1| 6.0 -33.4 -27.4 -13.7 -0.05| 8.6 -0.4 2500 250 13 140 9| 1.0 5.3 6.3| 13.8 -35.0 -21.1 -8.5 -0.00| 7.8 -0.0 3000 246 15 154 9| 1.0 4.4 5.4| 24.0 -35.0 -10.9 -3.6 0.06| 7.0 0.4 4000 245 19 174 10| 1.3 3.3 4.6| 46.1 -35.0 11.1 2.8 0.16| 5.9 0.9 5000 247 22 190 11| 1.3 2.8 4.1| 63.3 -38.5 24.7 4.9 0.20| 5.3 1.0 6000 246 24 199 12| 1.1 2.6 3.7| 63.3 -54.0 9.3 1.5 0.14| 4.7 0.6 Wrote GIF file: /home/apache/climate/data/raob//LTBM/skewt/LTBM.skewt.20250423.00.gif