UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042800.upa.cvt Date: 0000Z 28 APR 25 Searching for LTAM... Searching the city database file for: LTAM ... Date:0000Z 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 175 1 925 814 SFC 894 1094 6.0 5.8 99 0.2 5.9 0 0 288.2 289.4 284.0 306.5 6.48 3 893 1103 6.2 6.0 99 0.2 6.1 2 0 288.5 289.7 284.2 307.1 6.57 4 884 1186 7.6 3.3 74 4.3 5.4 17 2 290.8 291.8 284.0 306.6 5.49 5 878 1242 7.6 3.6 76 4.0 5.5 27 3 291.4 292.4 284.4 307.6 5.65 6 874 1280 7.0 2.3 72 4.7 4.6 34 4 291.2 292.1 283.8 306.1 5.17 7 850 1508 6.2 1.9 74 4.3 4.1 75 8 292.6 293.6 284.4 307.6 5.16 8 836 1645 6.0 1.8 74 4.2 3.9 61 8 293.8 294.8 284.9 309.0 5.21 9 776 2255 4.8 0.0 71 4.8 2.4 360 8 298.9 299.8 286.6 313.6 4.93 10 700 3089 -1.5 -4.6 79 3.1 -2.9 275 9 300.8 301.5 286.2 312.6 3.88 11 637 3835 -6.3 -11.3 68 5.0 -8.1 269 10 303.6 304.1 285.8 311.5 2.53 12 562 4805 -12.5 -17.3 67 4.8 -13.9 262 12 307.3 307.7 286.4 313.0 1.75 13 556 4887 -12.3 -20.3 51 8.0 -14.5 261 12 308.5 308.8 286.4 313.0 1.37 14 529 5266 -15.3 -23.3 50 8.0 -17.3 258 12 309.4 309.6 286.4 313.0 1.11 15 500 5690 -18.5 -24.5 59 6.0 -19.8 255 13 310.5 310.7 286.8 314.0 1.05 16 434 6732 -25.1 -34.1 43 9.0 -26.5 255 27 314.9 315.0 287.6 316.7 0.49 17 431 6783 -25.3 -35.3 39 10.0 -26.7 255 28 315.3 315.4 287.7 316.9 0.44 18 400 7320 -29.3 -38.3 41 9.0 -30.4 255 35 316.9 317.0 288.2 318.2 0.35 19 330 8659 -40.9 -46.9 52 6.0 -41.3 262 38 318.9 318.9 288.6 319.5 0.17 20 323 8804 -42.1 -47.1 58 5.0 -42.4 262 39 319.2 319.2 288.7 319.8 0.17 21 300 9300 -45.1 -50.1 57 5.0 -45.3 265 40 321.8 321.8 289.5 322.3 0.13 22 253 10423 -53.5 -60.5 42 7.0 -53.7 235 37 325.4 325.4 290.5 325.6 0.04 23 250 10500 -53.5 -60.5 42 7.0 -53.7 230 39 326.5 326.5 290.7 326.7 0.04 24 246 10604 -53.1 -60.1 42 7.0 -53.2 230 39 328.6 328.6 291.4 328.8 0.05 25 200 11930 -55.3 230 34 345.2 26 172 12888 -55.5 230 32 360.1 27 150 13760 -54.5 230 31 376.2 28 128 14771 -57.3 240 31 388.6 29 100 16320 -61.1 255 31 409.7 30 94 16706 -59.5 248 28 420.1 31 70 18550 -59.7 215 16 456.7 32 54 20177 -58.5 238 14 494.6 33 50 20660 -59.3 245 13 503.7 34 42 21755 -57.3 250 11 534.4 35 30 23880 -57.3 260 8 588.4 36 29 24095 -56.9 263 8 595.3 37 20 26470 -53.3 295 11 673.0 38 18 27148 -53.3 693.6 39 16 27910 -51.7 722.6 TRP 253 10423 -53.5 -60.5 42 7.0 -53.7 235 37 325.4 325.4 290.5 325.6 0.04 WND Sounding variables and indices 1000-500 mb thick: 5515.00 m Freezing level: 718.10 mb = 2890.52 m = 9483.21 ft Wetbulb zero: 741.09 mb = 2627.62 m = 8620.71 ft Precipitable water: 0.59 inches Sfc-500 mean rel hum: 68.67 % Est. max temperature: 17.08 C = 62.74 F Sfc-Lift cond lev (LCL): 891.21 mb = 1119.60 m = 3673.17 ft T: 6.48 C 700-500 lapse rate: 6.54 C/km ThetaE index: 2.08 C Layer 700.0- 562.0 mb Conv cond level (CCL): 714.40 mb = 2924.33 m = 9594.14 ft Mean mixing ratio: 5.27 g/kg Conv temperature: 17.82 C = 64.08 F Cap Strength: 4.73 C Lifted Index: 4.62 C Risk: None Lifted Index @300 mb: 9.49 C Lifted Index @700 mb: 3.28 C Showalter Index: 5.33 C Risk: None Total Totals Index: 45.10 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.70 C Cross Totals Index: 20.40 C K Index: 23.50 Risk: 20-40 % chance of thunderstorms Sweat Index: 51.80 Risk: None Energy Index: 1.36 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 31.05 J/kg Max Up Vert Vel: 7.88 m/s Conv Inhibition (B-): 46291.98 J/kg Cap Strength: 4.70 C Lift Cond Lev (LCL): 790.34 mb = 2105.18 m = 6906.69 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 291 at 10 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 ---------------------------------------------------------- 0 894 1094 0 0 -0.0 -0.0 | 111 10 -8.9 3.4 1 850 1508 75 8 -7.7 -2.1 | 95 17 -16.6 1.4 2 700 3089 275 9 9.0 -0.8 | 181 3 0.1 2.6 3 500 5690 255 13 12.6 3.4 | 208 8 3.6 6.8 4 400 7320 255 35 33.8 9.1 | 243 28 24.9 12.5 5 300 9300 265 40 39.8 3.5 | 257 32 30.9 6.9 6 253 10423 235 37 30.3 21.2 | 221 33 21.4 24.7 7 250 10500 230 39 29.9 25.1 | 216 35 21.0 28.5 8 200 11930 230 34 26.0 21.9 | 214 31 17.1 25.3 9 150 13760 230 31 23.7 19.9 | 212 28 14.8 23.4 10 100 16320 255 31 29.9 8.0 | 241 24 21.0 11.5 11 70 18550 215 16 9.2 13.1 | 181 17 0.3 16.5 12 50 20660 245 13 11.8 5.5 | 198 9 2.9 8.9 13 30 23880 260 8 7.9 1.4 | 168 5 -1.0 4.8 14 20 26470 295 11 10.0 -4.6 | 319 2 1.1 -1.2 Wind Parameters Mean winds (0-6000m): 261.1 at 12.7 knts Storm direction: 291.1 at 9.5 knts Shear (0-3000m) pos: 1.4 neg: 3.1 tot: 4.5 10-3/s Storm rel Dir Shear (0-3000m): 91.4 deg Storm rel helicity (0-3000m) pos: 5.6 neg: -44.5 tot: -38.9 m^2/s^2 ave: -13.0 10^-3 m/s^2 rel: -0.25 Storm rel vorticity (0-3000m) horiz: 6.0 stream: -1.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.78 Bulk Shear: 39.81 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 74 5 99 14| 8.3 0.0 8.3| 3.7 -13.7 -9.9 -19.9 -0.35| 10.6 -3.7 1000 53 6 88 14| 4.1 3.6 7.8| 3.7 -36.1 -32.4 -32.4 -0.54| 9.0 -4.9 1500 30 7 78 13| 2.8 4.4 7.2| 3.7 -44.2 -40.5 -27.0 -0.51| 8.6 -4.4 2000 12 8 69 11| 2.1 4.3 6.3| 4.5 -44.5 -39.9 -20.0 -0.30| 8.5 -2.5 2500 308 8 62 3| 1.7 3.6 5.2| 5.1 -44.5 -39.4 -15.8 -0.27| 7.0 -1.9 3000 288 8 130 1| 1.4 3.1 4.5| 5.6 -44.5 -38.9 -13.0 -0.25| 6.0 -1.5 4000 274 9 183 3| 1.0 2.6 3.6| 6.2 -44.5 -38.3 -9.6 -0.22| 4.8 -1.1 5000 266 10 195 4| 0.8 2.7 3.5| 14.4 -44.5 -30.1 -6.0 -0.11| 4.5 -0.5 6000 261 13 214 7| 0.7 3.4 4.1| 34.4 -44.5 -10.0 -1.7 -0.01| 4.9 -0.1 Wrote GIF file: /home/apache/climate/data/raob//LTAM/skewt/LTAM.skewt.20250428.00.gif