UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120500.upa.cvt Date: 0000Z 5 DEC 25 Searching for LT220... Searching the city database file for: LT220 ... Date:0000Z 5 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 1008 20 15.2 10.2 72 5.0 12.3 110 6 287.7 289.1 285.1 309.5 7.77 1 1000 87 16.4 8.4 59 8.0 11.9 120 8 289.5 290.8 285.0 309.2 6.92 2 925 748 13.6 5.6 58 8.0 9.2 150 23 293.2 294.3 285.7 311.0 6.17 3 899 989 13.0 7.0 67 6.0 9.6 153 24 295.0 296.3 287.2 315.3 7.00 4 876 1207 12.8 6.8 67 6.0 9.4 156 24 297.0 298.3 288.0 317.7 7.09 5 850 1460 10.8 3.8 62 7.0 7.1 160 25 297.5 298.5 287.1 314.9 5.92 6 700 3044 -2.1 -4.4 84 2.3 -3.1 180 24 300.2 300.9 286.1 312.1 3.94 7 645 3689 -6.3 -8.1 87 1.8 -7.0 182 23 302.5 303.1 286.2 312.4 3.22 8 622 3972 -8.3 -11.9 75 3.6 -9.6 184 22 303.4 303.8 285.7 311.1 2.47 9 555 4847 -13.9 -18.0 71 4.1 -15.1 187 21 306.8 307.1 286.1 312.2 1.67 10 500 5630 -20.1 -23.2 76 3.1 -20.8 190 19 308.5 308.8 286.2 312.4 1.18 11 480 5931 -22.1 -27.1 64 5.0 -23.1 187 20 309.7 309.9 286.2 312.6 0.86 12 456 6307 -24.5 -31.5 52 7.0 -25.6 184 21 311.3 311.4 286.5 313.3 0.60 13 441 6550 -25.7 -35.7 39 10.0 -27.1 182 22 312.7 312.8 286.8 314.2 0.41 14 439 6583 -25.9 -34.9 43 9.0 -27.2 181 22 312.9 313.0 286.9 314.5 0.45 15 400 7250 -30.9 -47.9 17 17.0 -32.3 175 25 314.8 314.9 287.2 315.3 0.13 16 373 7743 -35.3 -51.3 18 16.0 -36.2 180 22 315.4 315.4 287.3 315.7 0.09 17 359 8008 -37.9 -51.9 22 14.0 -38.7 183 20 315.3 315.4 287.3 315.7 0.09 18 300 9220 -48.7 -56.7 39 8.0 -48.9 195 11 316.7 316.7 287.8 316.9 0.06 19 250 10390 -58.1 170 29 319.7 20 234 10802 -61.1 155 34 321.2 21 229 10936 -61.3 163 34 322.9 22 224 11073 -61.5 170 35 324.7 23 200 11770 -63.5 210 37 332.2 24 196 11895 -61.9 210 38 336.7 25 150 13570 -59.1 215 47 368.3 26 134 14279 -59.7 221 43 379.3 27 113 15357 -56.5 229 38 404.2 28 100 16130 -59.3 235 34 413.2 29 78 17688 -59.3 259 42 443.6 30 75 17934 -58.1 263 44 451.1 31 70 18370 -57.1 270 46 462.2 32 50 20490 -58.3 245 49 506.1 33 49 20617 -58.7 246 49 508.1 34 42 21588 -57.3 257 49 534.4 35 30 23710 -58.3 280 48 585.7 36 24 25123 -56.5 272 57 629.5 37 20 26270 -60.9 265 64 649.8 38 15 28056 -63.3 271 86 697.5 39 12 29431 -63.7 276 104 742.1 40 10 30550 -64.5 280 118 778.8 41 9.0 31194 -64.5 280 119 802.6 42 7.6 32227 -64.5 842.4 TRP 234 10802 -61.1 155 34 321.2 WND 9.0 31194 -64.5 280 119 802.6 Sounding variables and indices 1000-500 mb thick: 5543.00 m Freezing level: 724.42 mb = 2786.14 m = 9140.77 ft Wetbulb zero: 745.66 mb = 2528.46 m = 8295.37 ft Precipitable water: 0.93 inches Sfc-500 mean rel hum: 72.35 % Est. max temperature: 24.84 C = 76.72 F Sfc-Lift cond lev (LCL): 935.25 mb = 654.60 m = 2147.60 ft T: 14.00 C 700-500 lapse rate: 6.96 C/km ThetaE index: 5.64 C Layer 850.0- 645.0 mb Conv cond level (CCL): 765.04 mb = 2319.15 m = 7608.68 ft Mean mixing ratio: 6.59 g/kg Conv temperature: 26.53 C = 79.76 F Cap Strength: 5.57 C Lifted Index: 1.91 C Risk: Showers probable Lifted Index @300 mb: 4.66 C Lifted Index @700 mb: 1.78 C Showalter Index: -0.78 C Risk: Thunderstorms probable Total Totals Index: 54.80 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 30.90 C Cross Totals Index: 23.90 C K Index: 32.40 Risk: 60-80 % chance of thunderstorms Sweat Index: 230.60 Risk: None Energy Index: -0.53 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 12.11 J/kg Max Up Vert Vel: 4.92 m/s Conv Inhibition (B-): 56958.46 J/kg Cap Strength: 5.57 C Lift Cond Lev (LCL): 851.42 mb = 1445.98 m = 4743.98 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 204 at 16 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 1008 20 110 6 -5.6 2.1 | 43 18 -12.1 -12.8 1 1000 87 120 8 -6.9 4.0 | 51 17 -13.4 -10.9 2 925 748 150 23 -11.5 19.9 | 106 19 -18.0 5.0 3 850 1460 160 25 -8.6 23.5 | 120 17 -15.0 8.6 4 700 3044 180 24 0.0 24.0 | 145 11 -6.5 9.1 5 500 5630 190 19 3.3 18.7 | 140 5 -3.2 3.8 6 400 7250 175 25 -2.2 24.9 | 139 13 -8.7 10.0 7 300 9220 195 11 2.8 10.6 | 41 6 -3.6 -4.3 8 250 10390 170 29 -5.0 28.6 | 140 18 -11.5 13.7 9 234 10802 155 34 -14.4 30.8 | 127 26 -20.9 15.9 10 200 11770 210 37 18.5 32.0 | 215 21 12.0 17.2 11 150 13570 215 47 27.0 38.5 | 221 31 20.5 23.6 12 100 16130 235 34 27.9 19.5 | 258 22 21.4 4.6 13 70 18370 270 46 46.0 -0.0 | 291 42 39.5 -14.9 14 50 20490 245 49 44.4 20.7 | 261 38 37.9 5.8 15 30 23710 280 48 47.3 -8.3 | 300 47 40.8 -23.2 16 20 26270 265 64 63.8 5.6 | 279 58 57.3 -9.3 17 10 30550 280 118 116.2 -20.5 | 288 115 109.7 -35.4 Wind Parameters Mean winds (0-6000m): 173.6 at 21.7 knts Storm direction: 203.6 at 16.2 knts Shear (0-3000m) pos: 3.9 neg: 0.0 tot: 3.9 10-3/s Storm rel Dir Shear (0-3000m): 100.6 deg Storm rel helicity (0-3000m) pos: 135.1 neg: 0.0 tot: 135.1 m^2/s^2 ave: 45.0 10^-3 m/s^2 rel: 0.91 Storm rel vorticity (0-3000m) horiz: 5.6 stream: 5.1 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.41 Bulk Shear: 29.43 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 ------------------------------------------------------------------------------- 500 132 12 66 17| 13.3 0.0 13.3| 61.0 0.0 61.0 122.0 1.00| 13.5 13.5 1000 145 17 87 16| 10.2 0.0 10.2| 99.7 0.0 99.7 99.7 0.99| 10.9 10.8 1500 150 20 97 16| 7.4 0.0 7.4|113.8 0.0 113.8 75.9 0.99| 8.4 8.3 2000 154 21 104 16| 5.7 0.0 5.7|121.9 0.0 121.9 60.9 0.96| 7.0 6.7 2500 158 22 109 15| 4.6 0.0 4.6|128.9 0.0 128.9 51.6 0.93| 6.2 5.7 3000 162 22 114 15| 3.9 0.0 3.9|135.1 0.0 135.1 45.0 0.91| 5.6 5.1 4000 167 22 120 13| 2.7 0.0 2.7|135.6 -0.0 135.6 33.9 0.85| 4.5 3.9 5000 171 22 124 12| 2.0 0.0 2.0|135.6 -0.4 135.2 27.0 0.79| 3.9 3.1 6000 174 22 127 11| 1.6 0.1 1.8|135.9 -0.9 135.1 22.5 0.73| 3.5 2.5 Wrote GIF file: /home/apache/climate/data/raob//LT220/skewt/LT220.skewt.20251205.00.gif