UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120412.upa.cvt Date: 1200Z 4 DEC 25 Searching for LT220... Searching the city database file for: LT220 ... Date:1200Z 4 DEC 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 1013 20 17.6 10.6 64 7.0 13.4 100 8 289.7 291.1 286.1 312.1 7.94 1 1000 130 16.8 8.8 59 8.0 12.2 125 10 290.0 291.2 285.4 310.2 7.12 2 948 588 13.0 7.0 67 6.0 9.7 156 17 290.6 291.7 285.1 309.5 6.64 3 925 796 11.6 6.8 72 4.8 8.9 170 20 291.2 292.4 285.4 310.3 6.71 4 872 1282 9.4 4.9 73 4.5 7.0 212 13 293.8 295.0 286.0 311.9 6.23 5 850 1491 7.8 2.8 71 5.0 5.2 230 10 294.3 295.3 285.4 310.4 5.51 6 787 2123 4.2 -0.5 71 4.7 2.0 226 14 297.0 297.9 285.7 310.9 4.69 7 700 3067 -2.1 -6.2 73 4.1 -3.8 220 21 300.2 300.8 285.5 310.6 3.43 8 621 4011 -7.1 -13.1 62 6.0 -9.2 215 22 304.9 305.3 286.0 312.0 2.24 9 599 4291 -8.9 -16.9 52 8.0 -11.4 213 23 306.0 306.3 285.8 311.4 1.70 10 534 5173 -13.9 -29.9 25 16.0 -17.1 208 24 310.2 310.3 286.1 312.3 0.60 11 526 5288 -14.7 -29.7 27 15.0 -17.7 207 24 310.6 310.7 286.3 312.7 0.62 12 500 5670 -17.7 -28.7 38 11.0 -19.9 205 25 311.5 311.6 286.7 313.9 0.72 13 400 7300 -32.1 -39.1 50 7.0 -32.8 200 24 313.3 313.3 286.9 314.4 0.32 14 398 7335 -32.5 -40.5 45 8.0 -33.3 200 24 313.2 313.3 286.8 314.2 0.28 15 374 7769 -35.1 -43.1 44 8.0 -35.8 206 25 315.4 315.4 287.5 316.2 0.23 16 300 9260 -47.1 -56.1 35 9.0 -47.4 225 27 319.0 319.0 288.5 319.2 0.06 17 253 10364 -57.3 250 39 319.8 18 250 10440 -56.1 250 41 322.7 19 247 10516 -56.7 250 41 322.9 20 212 11470 -60.1 246 34 332.0 21 200 11830 -61.3 245 32 335.7 22 170 12843 -61.3 239 35 351.7 23 156 13383 -58.3 236 36 365.5 24 150 13630 -59.3 235 37 367.9 25 114 15351 -58.5 242 42 399.4 26 100 16170 -60.7 245 45 410.4 27 96 16422 -60.9 244 42 414.9 28 84 17250 -59.9 243 34 433.1 29 73 18121 -60.7 241 25 449.1 30 70 18380 -61.7 240 22 452.4 31 63 19032 -61.3 246 33 467.1 32 52 20225 -59.7 258 53 497.2 33 50 20470 -59.3 260 57 503.7 34 40 21870 -59.9 264 52 535.4 35 36 22529 -60.3 266 49 550.8 36 30 23670 -59.7 270 45 581.9 37 24 25066 -60.7 273 55 617.3 38 21 25897 -61.5 274 61 638.9 39 20 26200 -61.3 275 63 648.5 40 14 28412 -62.1 275 89 715.5 41 10 30480 -65.1 275 114 776.5 42 6.9 32747 -64.1 867.6 43 5.2 34539 -49.5 1006.4 44 5.0 34797 -47.5 275 156 1026.7 45 4.8 35068 -45.5 1048.2 46 4.5 35500 -44.1 1074.3 TRP 253 10364 -57.3 250 39 319.8 WND 5.0 34797 -47.5 275 156 1026.7 Sounding variables and indices 1000-500 mb thick: 5540.00 m Freezing level: 729.00 mb = 2752.32 m = 9029.80 ft Wetbulb zero: 757.55 mb = 2430.25 m = 7973.15 ft Precipitable water: 0.87 inches Sfc-500 mean rel hum: 60.32 % Est. max temperature: 21.97 C = 71.55 F Sfc-Lift cond lev (LCL): 912.58 mb = 907.29 m = 2976.64 ft T: 11.10 C 700-500 lapse rate: 5.99 C/km ThetaE index: 2.64 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 802.26 mb = 1965.38 m = 6448.01 ft Mean mixing ratio: 6.88 g/kg Conv temperature: 24.29 C = 75.73 F Cap Strength: 4.62 C Lifted Index: 4.55 C Risk: None Lifted Index @300 mb: 6.49 C Lifted Index @700 mb: 1.98 C Showalter Index: 4.37 C Risk: None Total Totals Index: 46.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.50 C Cross Totals Index: 20.50 C K Index: 24.20 Risk: 20-40 % chance of thunderstorms Sweat Index: 78.60 Risk: None Energy Index: 0.75 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 6.31 J/kg Max Up Vert Vel: 3.55 m/s Conv Inhibition (B-): 52372.14 J/kg Cap Strength: 4.58 C Lift Cond Lev (LCL): 873.64 mb = 1266.47 m = 4155.04 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 238 at 14 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 1013 20 100 8 -7.9 1.4 | 72 21 -20.0 -6.3 1 1000 130 125 10 -8.2 5.7 | 84 20 -20.3 -2.0 2 925 796 170 20 -3.5 19.7 | 127 20 -15.6 12.0 3 850 1491 230 10 7.7 6.4 | 74 5 -4.5 -1.3 4 700 3067 220 21 13.5 16.1 | 189 8 1.4 8.4 5 500 5670 205 25 10.6 22.7 | 174 15 -1.6 14.9 6 400 7300 200 24 8.2 22.6 | 165 15 -3.9 14.8 7 300 9260 225 27 19.1 19.1 | 211 13 6.9 11.4 8 253 10364 250 39 36.6 13.3 | 257 25 24.5 5.6 9 250 10440 250 41 38.5 14.0 | 257 27 26.4 6.3 10 200 11830 245 32 29.0 13.5 | 251 18 16.9 5.8 11 150 13630 235 37 30.3 21.2 | 233 23 18.2 13.5 12 100 16170 245 45 40.8 19.0 | 248 31 28.6 11.3 13 70 18380 240 22 19.1 11.0 | 245 8 6.9 3.3 14 50 20470 260 57 56.1 9.9 | 267 44 44.0 2.2 15 30 23670 270 45 45.0 -0.0 | 283 34 32.9 -7.7 16 20 26200 275 63 62.8 -5.5 | 285 52 50.6 -13.2 17 10 30480 275 114 113.6 -9.9 | 280 103 101.4 -17.7 Wind Parameters Mean winds (0-6000m): 207.5 at 19.2 knts Storm direction: 237.5 at 14.4 knts Shear (0-3000m) pos: 2.8 neg: 1.8 tot: 4.7 10-3/s Storm rel Dir Shear (0-3000m): 116.2 deg Storm rel helicity (0-3000m) pos: 121.4 neg: -8.3 tot: 113.1 m^2/s^2 ave: 37.7 10^-3 m/s^2 rel: 0.47 Storm rel vorticity (0-3000m) horiz: 8.4 stream: 3.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.13 Bulk Shear: 47.81 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 ------------------------------------------------------------------------------- 500 137 12 93 20| 12.9 0.0 12.9| 69.4 0.0 69.4 138.8 1.00| 13.1 13.0 1000 159 15 110 19| 9.5 0.0 9.5|114.2 0.0 114.2 114.2 0.81| 13.6 11.0 1500 171 14 114 16| 5.7 0.0 5.7|114.2 -8.3 105.9 70.6 0.41| 13.1 5.4 2000 183 14 118 13| 4.2 0.9 5.2|116.7 -8.3 108.4 54.2 0.45| 10.7 4.8 2500 194 14 125 11| 3.4 1.5 4.9|119.3 -8.3 110.9 44.4 0.48| 9.3 4.4 3000 201 15 132 9| 2.8 1.8 4.7|121.4 -8.3 113.1 37.7 0.47| 8.4 3.9 4000 207 17 146 9| 2.1 1.7 3.8|121.5 -10.8 110.7 27.7 0.42| 6.7 2.8 5000 208 18 156 9| 1.7 1.5 3.2|121.5 -14.6 106.9 21.4 0.38| 5.6 2.1 6000 208 19 161 10| 1.4 1.4 2.8|121.5 -19.8 101.6 16.9 0.34| 4.9 1.7 Wrote GIF file: /home/apache/climate/data/raob//LT220/skewt/LT220.skewt.20251204.12.gif