UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041712.upa.cvt Date: 1200Z 17 APR 25 Searching for LT220... Searching the city database file for: LT220 ... Date:1200Z 17 APR 25 Station: LT220 WMO ident: 17220 Latitude: 38.43 Longitude: 27.17 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- SFC 1017 20 26.2 8.2 32 18.0 15.5 270 10 297.9 299.1 288.0 317.7 6.71 1 1000 168 25.2 11.2 41 14.0 16.5 325 7 298.4 299.9 289.6 322.9 8.37 2 930 806 23.2 8.2 38 15.0 14.1 204 10 302.6 303.9 290.1 324.5 7.35 3 925 853 23.0 9.0 41 14.0 14.4 195 10 302.8 304.3 290.6 326.1 7.81 4 850 1580 17.6 4.6 42 13.0 10.2 80 9 304.6 305.7 289.8 323.5 6.26 5 817 1917 15.2 2.2 41 13.0 8.1 66 10 305.5 306.5 289.5 322.3 5.49 6 700 3206 5.6 -5.4 45 11.0 0.5 10 13 308.7 309.4 288.8 320.1 3.65 7 629 4071 0.0 -12.0 40 12.0 -4.7 42 13 311.9 312.3 288.6 319.7 2.42 8 588 4606 -4.5 -20.5 27 16.0 -9.4 62 12 312.7 313.0 287.8 317.0 1.27 9 500 5860 -13.7 -29.7 25 16.0 -17.1 110 12 316.3 316.5 288.3 318.6 0.65 10 483 6123 -14.7 -32.7 20 18.0 -18.3 132 13 318.2 318.3 288.8 320.1 0.51 11 400 7520 -26.3 -42.3 21 16.0 -28.2 250 17 320.8 320.9 289.3 321.7 0.23 12 384 7814 -29.1 -41.1 30 12.0 -30.4 251 18 320.9 320.9 289.3 321.9 0.27 13 300 9530 -42.9 -48.9 52 6.0 -43.2 255 22 324.9 324.9 290.4 325.5 0.15 14 250 10740 -53.3 -59.3 48 6.0 -53.4 255 32 326.8 326.8 290.9 327.0 0.05 15 235 11134 -56.7 -63.7 41 7.0 -56.8 258 25 327.5 327.5 291.0 327.6 0.03 16 228 11325 -57.9 260 21 328.5 17 221 11521 -57.9 246 18 331.5 18 200 12150 -57.1 200 10 342.3 19 184 12678 -59.3 207 18 347.0 20 178 12887 -56.9 210 21 354.3 21 150 13980 -55.3 225 36 374.8 22 146 14152 -56.5 223 36 375.6 23 100 16500 -65.1 195 33 401.9 24 90 17141 -65.7 201 27 413.0 25 87 17347 -64.9 203 25 418.7 26 70 18670 -65.7 215 12 443.8 27 50 20740 -61.9 85 11 497.6 28 38 22443 -60.1 158 12 542.8 29 30 23920 -59.3 220 12 583.0 30 24 25315 -58.1 176 16 624.9 31 20 26470 -53.7 140 20 671.8 32 15 28348 -48.9 175 21 745.4 33 10 31060 -42.3 225 22 861.6 34 7.1 33404 -36.7 973.4 35 6.2 34347 -34.7 1020.4 36 5.5 35197 -26.7 -61.7 2 35.0 -47.7 1091.4 1092.6 332.8 1115.1 1.73 37 5.1 35743 -26.7 -61.7 2 35.0 -48.1 1115.2 1116.5 333.2 1141.4 1.86 TRP 228 11325 -57.9 260 21 328.5 WND Sounding variables and indices 1000-500 mb thick: 5692.00 m Freezing level: 629.00 mb = 4070.75 m = 13355.31 ft Wetbulb zero: 693.35 mb = 3283.20 m = 10771.51 ft Precipitable water: 1.04 inches Sfc-500 mean rel hum: 37.46 % Est. max temperature: 32.50 C = 90.50 F Sfc-Lift cond lev (LCL): 780.39 mb = 2299.47 m = 7544.11 ft T: 12.35 C 700-500 lapse rate: 7.27 C/km ThetaE index: 9.18 C Layer 850.0- 500.0 mb Conv cond level (CCL): 687.10 mb = 3356.35 m = 11011.53 ft Mean mixing ratio: 7.78 g/kg Conv temperature: 37.59 C = 99.66 F Cap Strength: 5.73 C Lifted Index: 0.81 C Risk: Showers probable Lifted Index @300 mb: 1.67 C Lifted Index @700 mb: 3.76 C Showalter Index: 0.75 C Risk: Thunderstorms probable Total Totals Index: 49.60 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 31.30 C Cross Totals Index: 18.30 C K Index: 24.90 Risk: 20-40 % chance of thunderstorms Sweat Index: 97.20 Risk: None Energy Index: -0.89 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 11.02 J/kg Max Up Vert Vel: 4.70 m/s Conv Inhibition (B-): 64782.54 J/kg Cap Strength: 5.73 C Lift Cond Lev (LCL): 777.83 mb = 2326.88 m = 7634.02 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 86 at 8 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 1017 20 270 10 10.0 -0.0 | 268 18 18.4 0.5 1 1000 168 325 7 4.0 -5.7 | 293 13 12.4 -5.2 2 925 853 195 10 2.6 9.7 | 227 15 11.0 10.2 3 850 1580 80 9 -8.9 -1.6 | 24 1 -0.5 -1.0 4 700 3206 10 13 -2.3 -12.8 | 333 14 6.1 -12.3 5 500 5860 110 12 -11.3 4.1 | 148 5 -2.9 4.6 6 400 7520 250 17 16.0 5.8 | 255 25 24.4 6.4 7 300 9530 255 22 21.3 5.7 | 258 30 29.7 6.2 8 250 10740 255 32 30.9 8.3 | 257 40 39.3 8.8 9 228 11325 260 21 20.7 3.6 | 262 29 29.1 4.2 10 200 12150 200 10 3.4 9.4 | 230 15 11.8 9.9 11 150 13980 225 36 25.5 25.5 | 232 43 33.9 26.0 12 100 16500 195 33 8.5 31.9 | 208 37 16.9 32.4 13 70 18670 215 12 6.9 9.8 | 236 18 15.3 10.4 14 50 20740 85 11 -11.0 -1.0 | 81 3 -2.6 -0.4 15 30 23920 220 12 7.7 9.2 | 239 19 16.1 9.7 16 20 26470 140 20 -12.9 15.3 | 164 16 -4.5 15.9 17 10 31060 225 22 15.6 15.6 | 236 29 24.0 16.1 Wind Parameters Mean winds (0-6000m): 56.3 at 11.2 knts Storm direction: 86.3 at 8.4 knts Shear (0-3000m) pos: 0.0 neg: 3.1 tot: 3.1 10-3/s Storm rel Dir Shear (0-3000m): 70.0 deg Storm rel helicity (0-3000m) pos: 25.5 neg: -107.7 tot: -82.2 m^2/s^2 ave: -27.4 10^-3 m/s^2 rel: -0.50 Storm rel vorticity (0-3000m) horiz: 9.8 stream: -4.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.28 Bulk Shear: 39.42 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 ------------------------------------------------------------------------------- 500 289 8 278 16| 0.0 2.5 2.5| 25.5 -30.9 -5.4 -10.8 -0.09| 15.7 -1.5 1000 233 9 249 16| 0.0 7.9 7.9| 25.5 -86.1 -60.6 -60.6 -0.49| 15.5 -7.7 1500 195 9 229 14| 0.0 6.5 6.5| 25.5 -97.7 -72.2 -48.1 -0.50| 14.8 -7.5 2000 132 9 194 7| 0.0 5.0 5.0| 25.5 -98.5 -73.0 -36.5 -0.51| 12.5 -6.3 2500 82 9 50 1| 0.0 4.0 4.0| 25.5-101.1 -75.6 -30.2 -0.49| 10.8 -5.3 3000 54 10 356 5| 0.0 3.1 3.1| 25.5-107.7 -82.2 -27.4 -0.50| 9.8 -4.9 4000 36 11 345 8| 0.6 2.4 3.0| 40.6-111.2 -70.6 -17.6 -0.37| 8.5 -3.1 5000 44 11 354 7| 1.3 1.9 3.2| 51.4-111.2 -59.8 -12.0 -0.24| 7.6 -1.8 6000 56 11 9 6| 1.7 1.6 3.3| 61.7-111.2 -49.5 -8.2 -0.12| 7.2 -0.8 Wrote GIF file: /home/apache/climate/data/raob//LT220/skewt/LT220.skewt.20250417.12.gif