UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122600.upa.cvt Date: 0000Z 26 DEC 25 Searching for LT220... Searching the city database file for: LT220 ... Date:0000Z 26 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 1017 24 9.8 9.8 100 0.0 9.8 160 3 281.6 282.9 282.2 302.1 7.49 1 1000 164 11.0 8.6 85 2.4 9.7 325 2 284.1 285.4 282.8 303.6 7.02 2 985 290 10.8 7.0 77 3.8 8.8 332 2 285.2 286.3 282.6 303.0 6.38 3 944 643 10.0 6.2 77 3.8 8.0 351 3 287.9 289.0 283.7 305.7 6.30 4 925 812 9.4 6.2 80 3.2 7.7 360 3 288.9 290.1 284.2 307.2 6.43 5 878 1246 6.4 5.1 91 1.3 5.7 351 5 290.1 291.3 284.6 308.1 6.28 6 850 1514 5.2 2.8 84 2.4 4.0 345 6 291.6 292.6 284.4 307.5 5.51 7 757 2450 -1.5 -5.3 75 3.8 -3.1 318 11 294.2 294.8 283.1 304.3 3.40 8 741 2620 -1.1 -7.1 64 6.0 -3.5 313 12 296.4 296.9 283.6 305.5 3.03 9 700 3072 -4.5 -16.5 39 12.0 -8.2 300 14 297.5 297.8 282.3 302.2 1.50 10 656 3581 -7.5 -22.5 29 15.0 -11.3 296 16 299.7 299.9 282.5 302.8 0.96 11 614 4093 -11.7 -29.7 21 18.0 -15.3 292 17 300.6 300.7 282.3 302.4 0.53 12 585 4462 -14.7 -25.7 39 11.0 -17.0 289 18 301.3 301.4 283.0 303.9 0.81 13 530 5202 -21.1 -27.1 58 6.0 -22.2 283 21 302.2 302.4 283.3 304.8 0.78 14 500 5630 -24.7 -29.7 63 5.0 -25.5 280 22 302.9 303.0 283.4 305.1 0.65 15 400 7210 -37.3 -43.3 54 6.0 -37.7 290 31 306.5 306.6 284.3 307.3 0.21 16 319 8730 -49.3 -56.3 44 7.0 -49.5 290 55 310.4 310.4 285.5 310.6 0.06 17 300 9130 -51.3 -58.3 43 7.0 -51.5 290 61 313.0 313.1 286.5 313.2 0.05 18 264 9960 -54.1 -61.8 38 7.8 -54.2 290 80 320.7 320.7 289.0 320.8 0.04 19 254 10208 -54.9 -62.9 36 8.0 -55.1 290 78 323.0 323.0 289.7 323.1 0.03 20 250 10310 -55.1 -63.1 36 8.0 -55.2 290 77 324.1 324.2 290.0 324.3 0.03 21 207 11512 -56.1 286 72 340.6 22 200 11730 -56.9 285 71 342.7 23 150 13540 -57.7 280 71 370.7 24 100 16070 -61.9 285 63 408.1 25 98 16195 -61.1 286 62 412.0 26 70 18280 -61.3 295 47 453.2 27 69 18370 -60.9 295 46 456.0 28 57 19554 -63.7 301 38 475.2 29 50 20370 -58.5 305 32 505.6 30 40 21766 -60.9 303 30 532.9 31 30 23550 -62.1 300 27 575.3 32 22 25468 -62.3 285 42 628.1 33 20 26060 -59.9 280 47 652.8 34 14 28278 -62.3 277 58 714.8 35 10 30380 -57.9 275 68 803.4 36 8.9 31118 -55.9 838.4 37 6.1 33516 -56.9 929.7 38 4.6 35327 -51.3 1034.0 TRP 254 10208 -54.9 -62.9 36 8.0 -55.1 290 78 323.0 323.0 289.7 323.1 0.03 WND 264 9960 -54.1 -61.8 38 7.8 -54.2 290 80 320.7 320.7 289.0 320.8 0.04 Sounding variables and indices 1000-500 mb thick: 5466.00 m Freezing level: 777.82 mb = 2240.22 m = 7349.73 ft Wetbulb zero: 797.48 mb = 2029.08 m = 6657.00 ft Precipitable water: 0.74 inches Sfc-500 mean rel hum: 59.54 % Est. max temperature: 18.97 C = 66.14 F Sfc-Lift cond lev (LCL): 1017.00 mb = 24.00 m = 78.72 ft T: 9.80 C 700-500 lapse rate: 7.90 C/km ThetaE index: 3.79 C Layer 850.0- 741.0 mb Conv cond level (CCL): 851.53 mb = 1499.13 m = 4918.35 ft Mean mixing ratio: 6.56 g/kg Conv temperature: 19.77 C = 67.59 F Cap Strength: 2.86 C Lifted Index: 1.12 C Risk: Showers probable Lifted Index @300 mb: 6.13 C Lifted Index @700 mb: 2.39 C Showalter Index: -0.75 C Risk: Thunderstorms probable Total Totals Index: 57.40 C Risk: Severe Thunderstorms probable Vertical Totals Index: 29.90 C Cross Totals Index: 27.50 C K Index: 20.70 Risk: 20-40 % chance of thunderstorms Sweat Index: 235.60 Risk: None Energy Index: -0.49 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 23.11 J/kg Max Up Vert Vel: 6.80 m/s Conv Inhibition (B-): 59105.77 J/kg Cap Strength: 2.84 C Lift Cond Lev (LCL): 920.72 mb = 850.60 m = 2790.66 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 325 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 1017 24 160 3 -1.0 2.8 | 148 13 -6.6 10.7 1 1000 164 325 2 1.1 -1.6 | 145 8 -4.4 6.3 2 925 812 360 3 -0.0 -3.0 | 131 7 -5.6 4.9 3 850 1514 345 6 1.6 -5.8 | 118 5 -4.0 2.1 4 700 3072 300 14 12.1 -7.0 | 262 7 6.6 0.9 5 500 5630 280 22 21.7 -3.8 | 256 17 16.1 4.1 6 400 7210 290 31 29.1 -10.6 | 277 24 23.6 -2.7 7 300 9130 290 61 57.3 -20.9 | 284 53 51.8 -13.0 8 264 9960 290 80 75.2 -27.4 | 286 72 69.6 -19.5 9 254 10208 290 78 73.3 -26.7 | 285 70 67.7 -18.8 10 250 10310 290 77 72.4 -26.3 | 285 69 66.8 -18.4 11 200 11730 285 71 68.6 -18.4 | 279 64 63.0 -10.5 12 150 13540 280 71 69.9 -12.3 | 274 65 64.4 -4.4 13 100 16070 285 63 60.9 -16.3 | 279 56 55.3 -8.4 14 70 18280 295 47 42.6 -19.9 | 288 39 37.0 -12.0 15 50 20370 305 32 26.2 -18.4 | 297 23 20.7 -10.5 16 30 23550 300 27 23.4 -13.5 | 287 19 17.8 -5.6 17 20 26060 280 47 46.3 -8.2 | 270 41 40.7 -0.3 18 10 30380 275 68 67.7 -5.9 | 268 62 62.2 2.0 Wind Parameters Mean winds (0-6000m): 294.9 at 12.9 knts Storm direction: 324.9 at 9.7 knts Shear (0-3000m) pos: 0.3 neg: 2.7 tot: 2.9 10-3/s Storm rel Dir Shear (0-3000m): 114.8 deg Storm rel helicity (0-3000m) pos: 3.9 neg: -10.4 tot: -6.5 m^2/s^2 ave: -2.2 10^-3 m/s^2 rel: -0.16 Storm rel vorticity (0-3000m) horiz: 3.9 stream: -0.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.41 Bulk Shear: 16.35 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 ------------------------------------------------------------------------------- 500 333 2 142 7| 0.0 5.7 5.7| 3.9 -5.1 -1.2 -2.4 -0.14| 7.4 -1.0 1000 349 3 136 7| 0.8 2.9 3.6| 3.9 -7.7 -3.8 -3.8 -0.26| 4.6 -1.2 1500 348 3 133 7| 0.5 2.7 3.2| 3.9 -9.1 -5.2 -3.5 -0.29| 3.9 -1.1 2000 343 4 131 6| 0.4 2.7 3.1| 3.9 -9.5 -5.7 -2.8 -0.26| 3.7 -1.0 2500 334 6 133 4| 0.3 2.7 3.0| 3.9 -9.6 -5.7 -2.3 -0.15| 3.8 -0.6 3000 322 7 151 3| 0.3 2.7 2.9| 3.9 -10.4 -6.5 -2.2 -0.16| 3.9 -0.6 4000 310 9 209 2| 0.2 2.4 2.6| 4.0 -10.9 -6.9 -1.7 -0.14| 3.4 -0.5 5000 302 11 240 4| 0.2 2.2 2.4| 4.0 -13.4 -9.4 -1.9 -0.15| 3.1 -0.5 6000 295 13 248 7| 0.3 2.0 2.3| 12.2 -16.5 -4.3 -0.7 -0.10| 3.0 -0.3 Wrote GIF file: /home/apache/climate/data/raob//LT220/skewt/LT220.skewt.20251226.00.gif