UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041912.upa.cvt Date: 1200Z 19 APR 25 Searching for LTAM... Searching the city database file for: LTAM ... Date:1200Z 19 APR 25 Station: LTAM WMO ident: 17196 Latitude: 38.68 Longitude: 35.50 Elevation: 1094.00 ------------------------------------------------------------------------------- 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 44 1 925 724 SFC 886 1094 24.0 2.0 24 22.0 11.7 205 6 307.6 308.6 289.7 323.0 4.99 3 850 1461 20.4 0.4 26 20.0 9.6 225 19 307.5 308.4 289.3 321.8 4.63 4 700 3092 5.4 -4.6 48 10.0 0.7 230 20 308.5 309.2 288.9 320.6 3.88 5 546 5054 -12.5 -17.1 68 4.6 -13.9 237 27 309.9 310.2 287.3 315.9 1.83 6 543 5096 -12.5 -17.5 66 5.0 -14.0 238 28 310.4 310.7 287.5 316.2 1.78 7 500 5720 -17.1 -22.1 65 5.0 -18.4 240 30 312.2 312.4 287.6 316.5 1.30 8 400 7360 -28.7 -34.7 56 6.0 -29.5 270 42 317.7 317.8 288.6 319.5 0.50 9 343 8440 -37.7 -43.7 53 6.0 -38.2 278 39 319.7 319.8 288.9 320.6 0.23 10 300 9350 -44.5 -49.5 57 5.0 -44.7 285 36 322.6 322.7 289.7 323.2 0.14 11 270 10053 -49.7 -54.7 56 5.0 -49.8 275 54 324.9 325.0 290.3 325.3 0.08 12 263 10226 -49.3 -55.3 49 6.0 -49.5 273 54 328.0 328.0 291.2 328.3 0.08 13 250 10560 -50.9 -57.9 43 7.0 -51.1 270 53 330.4 330.4 291.9 330.6 0.06 14 238 10878 -51.2 -59.4 37 8.2 -51.4 275 60 334.6 334.6 293.0 334.8 0.05 15 221 11357 -51.7 -61.7 29 10.0 -52.0 277 57 341.0 341.0 294.6 341.2 0.04 16 200 12000 -53.1 280 52 348.7 17 189 12368 -51.7 283 50 356.6 18 166 13214 -52.1 290 47 369.4 19 150 13870 -54.1 295 44 376.9 20 122 15181 -58.9 262 28 391.0 21 108 15946 -58.5 242 19 405.7 22 100 16430 -58.1 230 13 415.5 23 99 16493 -58.5 233 13 415.9 24 91 17017 -62.1 262 12 418.9 25 86 17366 -61.7 281 11 426.5 26 70 18640 -60.9 350 8 454.1 27 50 20730 -61.5 5 7 498.6 28 40 22122 -59.1 33 15 537.4 29 30 23930 -58.3 70 25 585.7 30 24 25341 -57.5 98 19 626.6 31 20 26510 -51.9 120 14 677.3 32 19 26842 -52.1 133 14 686.7 33 14 28846 -45.1 213 16 773.1 34 10 31090 -45.3 300 17 850.5 35 9.4 31505 -43.5 872.5 36 7.3 33228 -37.5 962.4 37 5.2 35616 -28.1 -63.1 2 35.0 -48.6 1102.8 1103.8 332.9 1123.8 1.52 38 5.1 35756 -25.7 -60.7 2 35.0 -47.7 1119.8 1121.2 333.2 1149.6 2.12 TRP 270 10053 -49.7 -54.7 56 5.0 -49.8 275 54 324.9 325.0 290.3 325.3 0.08 WND 238 10878 -51.2 -59.4 37 8.2 -51.4 275 60 334.6 334.6 293.0 334.8 0.05 Sounding variables and indices 1000-500 mb thick: 5676.00 m Freezing level: 653.54 mb = 3683.81 m = 12085.83 ft Wetbulb zero: 692.99 mb = 3171.49 m = 10405.02 ft Precipitable water: 0.65 inches Sfc-500 mean rel hum: 49.98 % Est. max temperature: 24.66 C = 76.39 F Sfc-Lift cond lev (LCL): 639.14 mb = 3810.12 m = 12500.23 ft T: -1.15 C 700-500 lapse rate: 8.56 C/km ThetaE index: 7.16 C Layer 850.0- 543.0 mb Conv cond level (CCL): 613.00 mb = 4139.86 m = 13582.06 ft Mean mixing ratio: 4.59 g/kg Conv temperature: 25.72 C = 78.30 F Cap Strength: 1.38 C Lifted Index: -1.77 C Risk: Thunderstorms probable Lifted Index @300 mb: 1.10 C Lifted Index @700 mb: 0.70 C Showalter Index: -1.71 C Risk: Thunderstorms probable Total Totals Index: 55.00 C Risk: Severe Thunderstorms probable Vertical Totals Index: 37.50 C Cross Totals Index: 17.50 C K Index: 27.90 Risk: 40-60 % chance of thunderstorms Sweat Index: 250.15 Risk: None Energy Index: -1.06 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 176.07 J/kg Max Up Vert Vel: 18.77 m/s Conv Inhibition (B-): 58.09 J/kg Cap Strength: 1.38 C Lift Cond Lev (LCL): 627.43 mb = 3956.20 m = 12979.49 ft Lev Free Conv (LFC): 582.43 mb = 4543.81 m = 14907.32 ft Equ Level (EL): 322.43 mb = 8860.22 m = 29068.60 ft B at Equ Level: 173.44 J/kg Max Parcel Lev (MPL): 252.43 mb = 10496.45 m = 34436.76 ft Wind level data Storm motion: 270 at 19 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 ---------------------------------------------------------- 0 886 1094 205 6 2.5 5.4 | 108 17 -16.5 5.4 1 850 1461 225 19 13.4 13.4 | 157 15 -5.6 13.4 2 700 3092 230 20 15.3 12.9 | 164 13 -3.7 12.8 3 500 5720 240 30 26.0 15.0 | 205 17 7.0 15.0 4 400 7360 270 42 42.0 -0.0 | 270 23 23.0 -0.0 5 300 9350 285 36 34.8 -9.3 | 301 18 15.8 -9.3 6 270 10053 275 54 53.8 -4.7 | 278 35 34.8 -4.7 7 250 10560 270 53 53.0 -0.0 | 270 34 34.0 -0.0 8 238 10878 275 60 59.8 -5.2 | 277 41 40.8 -5.2 9 200 12000 280 52 51.2 -9.0 | 286 33 32.2 -9.0 10 150 13870 295 44 39.9 -18.6 | 312 28 20.9 -18.6 11 100 16430 230 13 10.0 8.4 | 133 12 -9.0 8.3 12 70 18640 350 8 1.4 -7.9 | 66 19 -17.6 -7.9 13 50 20730 5 7 -0.6 -7.0 | 70 21 -19.6 -7.0 14 30 23930 70 25 -23.5 -8.6 | 79 43 -42.5 -8.6 15 20 26510 120 14 -12.1 7.0 | 103 32 -31.1 7.0 16 10 31090 300 17 14.7 -8.5 | 27 10 -4.3 -8.5 Wind Parameters Mean winds (0-6000m): 240.0 at 25.3 knts Storm direction: 270.0 at 19.0 knts Shear (0-3000m) pos: 3.2 neg: 0.0 tot: 3.2 10-3/s Storm rel Dir Shear (0-3000m): 72.7 deg Storm rel helicity (0-3000m) pos: 75.9 neg: 0.0 tot: 75.9 m^2/s^2 ave: 25.3 10^-3 m/s^2 rel: 0.96 Storm rel vorticity (0-3000m) horiz: 3.4 stream: 3.3 10^-3/s Energy-Hel index: 0.07 Bulk Rich Number: 8.36 Bulk Shear: 21.07 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 ------------------------------------------------------------------------------- 500 222 14 138 14| 14.0 0.0 14.0| 56.0 0.0 56.0 112.0 0.98| 14.3 14.0 1000 224 17 149 14| 7.2 0.0 7.2| 57.8 0.0 57.8 57.8 0.97| 7.5 7.2 1500 226 18 153 14| 4.9 0.0 4.9| 59.6 0.0 59.6 39.7 0.96| 5.2 5.0 2000 227 18 155 14| 3.8 0.0 3.8| 61.4 0.0 61.4 30.7 0.96| 4.1 3.9 2500 228 19 158 14| 3.5 0.0 3.5| 68.6 0.0 68.6 27.4 0.96| 3.7 3.5 3000 229 19 161 14| 3.2 0.0 3.2| 75.9 0.0 75.9 25.3 0.96| 3.4 3.3 4000 231 21 169 13| 2.9 0.0 2.9| 91.2 0.0 91.2 22.8 0.96| 3.1 3.0 5000 234 23 178 13| 2.9 0.0 2.9|121.8 0.0 121.8 24.4 0.96| 3.2 3.1 6000 240 25 193 13| 3.2 0.0 3.2|186.3 0.0 186.3 31.1 0.96| 3.9 3.7 Wrote GIF file: /home/apache/climate/data/raob//LTAM/skewt/LTAM.skewt.20250419.12.gif