UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042812.upa.cvt Date: 1200Z 28 APR 25 Searching for LTAM... Searching the city database file for: LTAM ... Date:1200Z 28 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 123 1 925 791 SFC 893 1094 18.8 4.8 40 14.0 10.9 130 1 301.6 302.7 288.6 319.6 6.04 3 850 1514 15.2 4.2 48 11.0 9.0 35 8 302.1 303.2 288.8 320.3 6.09 4 841 1604 13.6 2.6 47 11.0 7.7 44 8 301.3 302.3 288.0 317.8 5.49 5 741 2650 2.8 -2.2 70 5.0 0.4 155 7 300.7 301.5 286.7 313.9 4.39 6 700 3108 -0.3 -6.3 64 6.0 -2.9 205 7 302.2 302.8 286.2 312.6 3.41 7 682 3316 -1.7 -7.7 64 6.0 -4.1 208 8 302.8 303.4 286.2 312.5 3.14 8 605 4262 -7.1 -16.1 49 9.0 -10.0 222 11 307.2 307.5 286.4 313.0 1.80 9 557 4902 -12.3 -20.3 51 8.0 -14.5 232 14 308.4 308.6 286.4 312.8 1.37 10 500 5720 -17.9 -26.9 45 9.0 -19.8 245 17 311.2 311.4 286.8 314.1 0.84 11 492 5841 -18.7 -28.7 41 10.0 -20.7 245 17 311.7 311.8 286.8 314.2 0.73 12 442 6631 -24.5 -39.5 24 15.0 -26.3 248 20 314.0 314.1 287.1 315.1 0.28 13 400 7350 -30.5 -45.5 22 15.0 -31.8 250 22 315.3 315.4 287.4 316.0 0.16 14 381 7694 -33.3 -45.3 29 12.0 -34.3 250 22 316.1 316.1 287.6 316.7 0.18 15 366 7976 -35.3 -43.3 44 8.0 -36.0 250 22 317.1 317.1 288.1 317.9 0.23 16 300 9330 -46.3 -53.3 45 7.0 -46.6 250 23 320.1 320.1 288.9 320.4 0.09 17 255 10384 -55.9 245 28 321.1 18 250 10510 -56.1 240 26 322.7 19 240 10769 -56.7 239 26 325.5 20 200 11920 -57.7 235 27 341.4 21 166 13097 -57.9 219 30 359.7 22 150 13740 -55.5 210 31 374.5 23 126 14855 -54.9 225 29 394.7 24 100 16320 -59.3 245 26 413.2 25 86 17264 -59.5 241 22 431.0 26 70 18550 -59.9 235 17 456.2 27 51 20536 -60.1 207 9 499.0 28 50 20660 -59.7 205 9 502.8 29 30 23880 -55.5 220 12 593.3 30 20 26480 -53.9 240 15 671.2 31 14 28807 -49.7 268 16 757.5 32 10 31050 -43.3 295 16 857.9 33 9.1 31685 -43.1 882.1 TRP 255 10384 -55.9 245 28 321.1 WND Sounding variables and indices 1000-500 mb thick: 5597.00 m Freezing level: 703.97 mb = 3063.63 m = 10051.16 ft Wetbulb zero: 735.63 mb = 2708.13 m = 8884.82 ft Precipitable water: 0.56 inches Sfc-500 mean rel hum: 54.44 % Est. max temperature: 17.94 C = 64.30 F Sfc-Lift cond lev (LCL): 724.28 mb = 2833.31 m = 9295.52 ft T: 1.56 C 700-500 lapse rate: 6.74 C/km ThetaE index: 7.80 C Layer 841.0- 605.0 mb Conv cond level (CCL): 711.53 mb = 2976.39 m = 9764.94 ft Mean mixing ratio: 5.62 g/kg Conv temperature: 18.97 C = 66.14 F Cap Strength: 0.20 C Lifted Index: -0.58 C Risk: Thunderstorms probable Lifted Index @300 mb: 1.67 C Lifted Index @700 mb: -0.03 C Showalter Index: -1.69 C Risk: Thunderstorms probable Total Totals Index: 55.20 C Risk: Severe Thunderstorms probable Vertical Totals Index: 33.10 C Cross Totals Index: 22.10 C K Index: 31.30 Risk: 60-80 % chance of thunderstorms Sweat Index: 207.40 Risk: None Energy Index: -1.28 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 75.59 J/kg Max Up Vert Vel: 12.30 m/s Conv Inhibition (B-): 5.30 J/kg Cap Strength: 0.55 C Lift Cond Lev (LCL): 713.81 mb = 2950.68 m = 9680.58 ft Lev Free Conv (LFC): 698.81 mb = 3121.64 m = 10241.49 ft Equ Level (EL): 628.81 mb = 3957.50 m = 12983.78 ft B at Equ Level: 23.36 J/kg Max Parcel Lev (MPL): 288.81 mb = 9576.69 m = 31419.21 ft Wind level data Storm motion: 270 at 9 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 ---------------------------------------------------------- 0 893 1094 130 1 -0.8 0.6 | 94 10 -9.8 0.7 1 850 1514 35 8 -4.6 -6.6 | 64 15 -13.7 -6.5 2 700 3108 205 7 3.0 6.3 | 136 9 -6.1 6.4 3 500 5720 245 17 15.4 7.2 | 221 10 6.3 7.2 4 400 7350 250 22 20.7 7.5 | 237 14 11.6 7.6 5 300 9330 250 23 21.6 7.9 | 238 15 12.5 7.9 6 255 10384 245 28 25.4 11.8 | 234 20 16.3 11.9 7 250 10510 240 26 22.5 13.0 | 226 19 13.4 13.0 8 200 11920 235 27 22.1 15.5 | 220 20 13.1 15.5 9 150 13740 210 31 15.5 26.8 | 193 28 6.4 26.9 10 100 16320 245 26 23.6 11.0 | 233 18 14.5 11.0 11 70 18550 235 17 13.9 9.8 | 206 11 4.9 9.8 12 50 20660 205 9 3.8 8.2 | 147 10 -5.3 8.2 13 30 23880 220 12 7.7 9.2 | 172 9 -1.4 9.2 14 20 26480 240 15 13.0 7.5 | 208 8 3.9 7.5 15 10 31050 295 16 14.5 -6.8 | 321 9 5.4 -6.7 Wind Parameters Mean winds (0-6000m): 240.2 at 12.1 knts Storm direction: 270.2 at 9.1 knts Shear (0-3000m) pos: 3.2 neg: 1.4 tot: 4.6 10-3/s Storm rel Dir Shear (0-3000m): 71.7 deg Storm rel helicity (0-3000m) pos: 82.4 neg: -24.6 tot: 57.7 m^2/s^2 ave: 19.2 10^-3 m/s^2 rel: 0.44 Storm rel vorticity (0-3000m) horiz: 6.1 stream: 2.7 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 1.99 Bulk Shear: 37.92 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 41 5 73 13| 0.0 8.2 8.2| 1.6 -24.6 -23.1 -46.1 -0.61| 10.6 -6.4 1000 58 6 77 15| 3.6 4.1 7.7| 32.4 -24.6 7.8 7.8 0.05| 9.0 0.4 1500 76 7 84 16| 4.2 2.7 6.9| 59.2 -24.6 34.6 23.1 0.30| 8.4 2.5 2000 63 7 78 16| 3.8 2.0 5.8| 72.0 -24.6 47.4 23.7 0.36| 8.0 2.9 2500 159 7 120 13| 3.4 1.6 5.1| 77.1 -24.6 52.5 21.0 0.40| 6.9 2.8 3000 202 8 138 9| 3.2 1.4 4.6| 82.4 -24.6 57.7 19.2 0.44| 6.1 2.7 4000 224 9 155 7| 2.9 1.0 3.9| 94.0 -24.6 69.4 17.3 0.51| 5.3 2.7 5000 235 10 175 6| 2.6 0.8 3.5|104.4 -24.6 79.8 16.0 0.55| 4.7 2.6 6000 240 12 193 6| 2.5 0.7 3.1|110.4 -24.6 85.8 14.3 0.55| 4.2 2.3 Wrote GIF file: /home/apache/climate/data/raob//LTAM/skewt/LTAM.skewt.20250428.12.gif