UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122512.upa.cvt Date: 1200Z 25 DEC 25 Searching for LT220... Searching the city database file for: LT220 ... Date:1200Z 25 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 1016 22 15.0 10.0 72 5.0 12.1 110 4 286.8 288.2 284.6 308.1 7.60 1 1000 156 14.2 8.2 67 6.0 10.9 135 7 287.4 288.5 284.0 306.5 6.83 2 933 744 11.4 6.4 71 5.0 8.7 197 11 290.3 291.4 284.8 308.7 6.47 3 925 817 11.6 4.6 62 7.0 7.9 205 12 291.2 292.2 284.4 307.7 5.75 4 850 1513 6.0 1.6 73 4.4 3.8 230 14 292.4 293.3 284.2 307.1 5.05 5 842 1590 5.4 1.6 76 3.8 3.5 230 14 292.6 293.5 284.3 307.4 5.10 6 771 2305 0.2 -5.8 64 6.0 -2.3 235 13 294.5 295.0 283.0 304.0 3.21 7 700 3072 -5.5 -10.5 68 5.0 -7.3 240 13 296.4 296.8 283.0 303.8 2.45 8 659 3542 -8.3 -17.3 48 9.0 -10.9 242 14 298.4 298.7 282.6 303.1 1.49 9 641 3756 -9.5 -15.5 62 6.0 -11.3 243 14 299.4 299.7 283.4 305.0 1.78 10 534 5144 -17.5 -20.7 76 3.2 -18.3 248 15 305.9 306.1 285.4 310.4 1.38 11 533 5158 -18.9 -22.2 75 3.3 -19.7 248 15 304.4 304.6 284.7 308.3 1.21 12 500 5630 -22.9 -26.2 74 3.3 -23.5 250 16 305.1 305.3 284.6 308.1 0.90 13 400 7230 -36.3 -39.9 69 3.6 -36.6 275 19 307.8 307.9 284.9 308.9 0.30 14 347 8200 -44.9 -49.9 57 5.0 -45.1 268 21 308.9 309.0 285.1 309.4 0.12 15 300 9160 -52.1 -57.1 55 5.0 -52.2 260 24 311.9 311.9 286.1 312.1 0.06 16 266 9922 -58.7 250 23 313.2 17 259 10088 -58.1 -64.1 46 6.0 -58.2 254 26 316.5 316.5 287.6 316.6 0.03 18 250 10310 -56.9 -62.9 47 6.0 -57.0 260 30 321.5 321.5 289.2 321.6 0.03 19 200 11730 -56.5 -62.5 47 6.0 -56.6 270 48 343.3 343.3 295.1 343.5 0.04 20 185 12226 -56.5 -63.5 41 7.0 -56.6 270 51 351.0 351.0 296.9 351.2 0.04 21 167 12873 -58.5 270 54 358.1 22 150 13550 -58.1 270 58 370.0 23 122 14840 -60.5 266 64 388.1 24 112 15372 -59.9 265 66 398.9 25 100 16080 -59.1 265 66 413.5 26 92 16602 -60.7 269 60 420.4 27 73 18048 -59.3 278 45 452.1 28 70 18310 -61.3 280 42 453.2 29 63 18960 -62.5 277 40 464.5 30 59 19366 -59.1 275 38 480.9 31 50 20390 -63.7 270 35 493.4 32 48 20642 -62.1 270 37 503.0 33 36 22429 -60.5 270 47 550.3 34 34 22787 -58.1 270 49 565.6 35 30 23570 -61.3 270 54 577.5 36 26 24456 -62.3 598.8 37 20 26090 -58.5 657.1 TRP 266 9922 -58.7 250 23 313.2 WND 112 15372 -59.9 265 66 398.9 Sounding variables and indices 1000-500 mb thick: 5474.00 m Freezing level: 768.51 mb = 2331.45 m = 7649.04 ft Wetbulb zero: 798.73 mb = 2018.13 m = 6621.09 ft Precipitable water: 0.78 inches Sfc-500 mean rel hum: 67.67 % Est. max temperature: 20.34 C = 68.62 F Sfc-Lift cond lev (LCL): 942.63 mb = 657.20 m = 2156.14 ft T: 11.81 C 700-500 lapse rate: 6.80 C/km ThetaE index: 4.32 C Layer 771.0- 641.0 mb Conv cond level (CCL): 838.39 mb = 1625.25 m = 5332.13 ft Mean mixing ratio: 6.60 g/kg Conv temperature: 20.86 C = 69.56 F Cap Strength: 2.80 C Lifted Index: 0.93 C Risk: Showers probable Lifted Index @300 mb: 3.22 C Lifted Index @700 mb: -0.19 C Showalter Index: 1.28 C Risk: Showers probable Total Totals Index: 53.40 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 28.90 C Cross Totals Index: 24.50 C K Index: 25.50 Risk: 40-60 % chance of thunderstorms Sweat Index: 151.20 Risk: None Energy Index: 0.18 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 13.35 J/kg Max Up Vert Vel: 5.17 m/s Conv Inhibition (B-): 107.38 J/kg Cap Strength: 2.80 C Lift Cond Lev (LCL): 885.94 mb = 1172.10 m = 3845.43 ft Lev Free Conv (LFC): 710.94 mb = 2948.77 m = 9674.32 ft Equ Level (EL): 660.94 mb = 3519.30 m = 11546.12 ft B at Equ Level: 12.98 J/kg Max Parcel Lev (MPL): 600.94 mb = 4246.72 m = 13932.65 ft Wind level data Storm motion: 266 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 1016 22 110 4 -3.8 1.4 | 93 14 -13.9 0.7 1 1000 156 135 7 -4.9 4.9 | 106 16 -15.1 4.3 2 925 817 205 12 5.1 10.9 | 154 11 -5.0 10.3 3 850 1513 230 14 10.7 9.0 | 184 8 0.6 8.4 4 700 3072 240 13 11.3 6.5 | 191 6 1.2 5.9 5 500 5630 250 16 15.0 5.5 | 225 7 4.9 4.9 6 400 7230 275 19 18.9 -1.7 | 284 9 8.8 -2.3 7 300 9160 260 24 23.6 4.2 | 255 14 13.5 3.5 8 266 9922 250 23 21.6 7.9 | 238 14 11.5 7.2 9 250 10310 260 30 29.5 5.2 | 257 20 19.4 4.6 10 200 11730 270 48 48.0 -0.0 | 271 38 37.9 -0.6 11 150 13550 270 58 58.0 -0.0 | 271 48 47.9 -0.6 12 112 15372 265 66 65.7 5.8 | 265 56 55.6 5.1 13 100 16080 265 66 65.7 5.8 | 265 56 55.6 5.1 14 70 18310 280 42 41.4 -7.3 | 284 32 31.3 -7.9 15 50 20390 270 35 35.0 -0.0 | 271 25 24.9 -0.6 16 30 23570 270 54 54.0 -0.0 | 271 44 43.9 -0.6 Wind Parameters Mean winds (0-6000m): 236.5 at 13.5 knts Storm direction: 266.5 at 10.1 knts Shear (0-3000m) pos: 2.7 neg: 0.0 tot: 2.7 10-3/s Storm rel Dir Shear (0-3000m): 97.8 deg Storm rel helicity (0-3000m) pos: 72.1 neg: 0.0 tot: 72.1 m^2/s^2 ave: 24.0 10^-3 m/s^2 rel: 0.85 Storm rel vorticity (0-3000m) horiz: 4.3 stream: 3.6 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.45 Bulk Shear: 29.40 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 ------------------------------------------------------------------------------- 500 151 8 114 15| 9.0 0.0 9.0| 37.8 0.0 37.8 75.5 0.94| 10.4 9.8 1000 185 10 134 13| 7.2 0.0 7.2| 61.1 0.0 61.1 61.1 0.91| 9.3 8.5 1500 202 11 147 11| 5.6 0.0 5.6| 70.5 0.0 70.5 47.0 0.90| 7.7 7.0 2000 212 12 156 10| 4.2 0.0 4.2| 71.1 0.0 71.1 35.6 0.88| 6.0 5.3 2500 218 12 162 9| 3.3 0.0 3.3| 71.6 0.0 71.6 28.7 0.87| 5.0 4.3 3000 222 12 167 9| 2.7 0.0 2.7| 72.1 0.0 72.1 24.0 0.85| 4.3 3.6 4000 228 13 174 8| 2.2 0.0 2.2| 74.4 0.0 74.4 18.6 0.85| 3.4 2.9 5000 232 13 181 7| 1.9 0.0 1.9| 76.9 0.0 76.9 15.4 0.86| 2.9 2.5 6000 236 13 190 7| 1.7 0.0 1.7| 82.0 0.0 82.0 13.7 0.87| 2.6 2.3 Wrote GIF file: /home/apache/climate/data/raob//LT220/skewt/LT220.skewt.20251225.12.gif