UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025112712.upa.cvt Date: 1200Z 27 NOV 25 Searching for LGAT... Searching the city database file for: LGAT ... Date:1200Z 27 NOV 25 Station: LGAT WMO ident: 16716 Latitude: 37.90 Longitude: 23.73 Elevation: 15.00 ------------------------------------------------------------------------------- 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 1006 15 19.6 11.6 60 8.0 14.7 270 6 292.2 293.8 287.6 316.6 8.55 1 1000 98 18.2 13.2 73 5.0 15.1 235 7 291.4 293.0 288.2 318.5 9.57 2 977 297 16.4 12.1 76 4.3 13.8 223 13 291.5 293.1 287.9 317.3 9.11 3 925 760 12.8 11.1 89 1.7 11.8 195 27 292.4 294.0 288.1 318.1 9.00 4 910 897 11.6 10.2 91 1.4 10.8 194 28 292.5 294.1 287.8 317.1 8.61 5 850 1463 6.4 6.4 100 0.0 6.4 190 31 292.9 294.1 286.5 313.3 7.11 6 826 1698 5.6 0.6 70 5.0 3.2 190 32 294.4 295.3 284.8 308.6 4.84 7 786 2101 2.2 -1.8 75 4.0 0.4 190 33 295.0 295.7 284.4 307.6 4.26 8 765 2320 1.0 -1.2 85 2.2 -0.0 190 33 296.0 296.8 285.1 309.5 4.58 9 741 2576 0.2 -9.8 47 10.0 -3.6 190 34 297.8 298.3 283.5 305.3 2.45 10 709 2928 -3.1 -13.1 46 10.0 -6.5 190 35 298.0 298.3 283.0 304.0 1.96 11 700 3029 -1.9 -15.9 33 14.0 -6.5 190 35 300.4 300.7 283.5 305.4 1.58 12 693 3109 -2.3 -17.3 31 15.0 -7.0 191 35 300.8 301.1 283.5 305.3 1.42 13 651 3603 -5.5 -20.5 30 15.0 -9.8 194 38 302.6 302.8 283.9 306.3 1.15 14 603 4199 -9.7 -21.7 37 12.0 -12.9 199 41 304.5 304.7 284.6 308.1 1.12 15 565 4698 -13.5 -20.5 56 7.0 -15.3 203 44 305.7 306.0 285.3 310.0 1.32 16 542 5014 -14.3 -27.3 32 13.0 -17.1 205 46 308.4 308.5 285.7 310.9 0.75 17 514 5414 -17.9 -19.9 84 2.0 -18.4 208 48 308.8 309.1 286.6 313.8 1.53 18 500 5620 -19.7 -21.9 83 2.2 -20.2 210 49 309.0 309.3 286.5 313.4 1.32 19 488 5800 -20.9 -22.4 88 1.5 -21.2 211 49 309.7 309.9 286.7 314.0 1.30 20 473 6030 -21.9 -29.9 48 8.0 -23.3 211 49 311.2 311.4 286.6 313.6 0.68 21 436 6623 -27.1 -28.1 91 1.0 -27.3 213 48 312.0 312.1 287.1 314.9 0.87 22 418 6926 -28.1 -31.8 71 3.7 -28.6 214 47 314.5 314.6 287.6 316.7 0.64 23 400 7240 -30.9 -34.0 74 3.1 -31.3 215 47 314.8 314.9 287.6 316.7 0.54 24 374 7713 -34.7 -39.7 60 5.0 -35.2 217 49 315.9 316.0 287.8 317.1 0.32 25 300 9210 -48.1 -54.1 50 6.0 -48.3 225 55 317.6 317.6 288.1 317.9 0.08 26 280 9660 -51.9 -56.9 55 5.0 -52.0 223 65 318.4 318.4 288.3 318.7 0.06 27 270 9895 -52.7 -63.7 25 11.0 -52.9 222 70 320.6 320.6 288.9 320.7 0.03 28 250 10390 -53.9 -64.9 25 11.0 -54.1 220 81 325.9 325.9 290.6 326.0 0.02 29 244 10546 -53.9 -64.9 25 11.0 -54.1 222 83 328.2 328.2 291.2 328.3 0.03 30 235 10785 -55.5 -66.5 24 11.0 -55.7 225 85 329.3 329.3 291.5 329.4 0.02 31 234 10813 -55.7 -66.7 24 11.0 -55.9 226 84 329.4 329.4 291.6 329.5 0.02 32 229 10950 -56.5 -67.5 24 11.0 -56.6 230 80 330.3 330.3 291.8 330.3 0.02 33 200 11810 -54.9 -72.9 9 18.0 -55.2 235 70 345.8 345.8 295.7 345.9 0.01 34 167 12951 -58.3 -78.3 6 20.0 -58.5 238 51 358.5 358.5 298.4 358.5 0.01 35 162 13143 -55.9 -76.9 6 21.0 -56.2 239 48 365.6 365.6 299.8 365.7 0.01 36 150 13630 -57.7 -80.7 4 23.0 -58.0 240 40 370.7 370.7 300.7 370.7 0.00 37 144 13887 -59.9 -85.9 2 26.0 -60.1 241 41 371.2 371.2 300.8 371.2 0.00 38 101 16089 -63.7 -91.7 1 28.0 -63.9 245 53 403.5 403.5 305.7 403.5 0.00 39 100 16150 -63.9 -91.9 1 28.0 -64.1 245 53 404.3 404.3 305.7 404.3 0.00 40 84 17208 -68.1 -95.1 1 27.0 -68.2 238 53 416.4 416.4 307.3 416.4 0.00 41 70 18320 -61.7 -90.7 1 29.0 -62.0 230 54 452.4 452.4 311.1 452.4 0.00 42 62 19071 -63.1 -92.1 1 29.0 -63.4 232 51 465.3 465.3 312.3 465.3 0.00 43 50 20410 -58.9 -88.9 1 30.0 -59.6 235 47 504.7 504.7 315.3 504.7 0.00 44 47 20797 -57.5 -87.5 1 30.0 -58.3 237 50 517.0 517.0 316.1 517.1 0.00 45 30 23620 -57.7 -87.7 1 30.0 -58.9 255 71 587.3 587.3 320.0 587.4 0.01 46 28 24058 -56.1 -87.1 1 31.0 -57.6 256 75 603.5 603.5 320.7 603.5 0.01 47 25 24773 -60.3 -89.3 1 29.0 -61.3 257 82 611.3 611.3 321.1 611.3 0.01 48 20 26180 -56.3 -87.3 1 31.0 -58.2 260 96 663.8 663.8 323.2 663.9 0.01 49 14 28464 -52.7 -84.7 1 32.0 -56.2 747.3 747.3 325.8 747.5 0.02 TRP 229 10950 -56.5 -67.5 24 11.0 -56.6 230 80 330.3 330.3 291.8 330.3 0.02 WND 235 10785 -55.5 -66.5 24 11.0 -55.7 225 85 329.3 329.3 291.5 329.4 0.02 Sounding variables and indices 1000-500 mb thick: 5522.00 m Freezing level: 739.06 mb = 2596.95 m = 8520.06 ft Wetbulb zero: 766.99 mb = 2298.65 m = 7541.40 ft Precipitable water: 0.91 inches Sfc-500 mean rel hum: 60.75 % Est. max temperature: 20.17 C = 68.31 F Sfc-Lift cond lev (LCL): 893.34 mb = 1050.50 m = 3446.49 ft T: 10.19 C 700-500 lapse rate: 6.87 C/km ThetaE index: 10.50 C Layer 910.0- 765.0 mb Conv cond level (CCL): 900.39 mb = 985.24 m = 3232.38 ft Mean mixing ratio: 9.06 g/kg Conv temperature: 19.94 C = 67.90 F Cap Strength: 0.60 C Lifted Index: -2.02 C Risk: Severe thunderstorms possible Lifted Index @300 mb: 0.34 C Lifted Index @700 mb: -1.33 C Showalter Index: 0.61 C Risk: Thunderstorms probable Total Totals Index: 52.20 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 26.10 C Cross Totals Index: 26.10 C K Index: 18.50 Risk: < 20 % chance of thunderstorms Sweat Index: 319.55 Risk: Showers and thunderstorms possible Energy Index: -0.03 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 371.77 J/kg Max Up Vert Vel: 27.27 m/s Conv Inhibition (B-): 4.08 J/kg Cap Strength: 0.60 C Lift Cond Lev (LCL): 909.38 mb = 902.82 m = 2961.96 ft Lev Free Conv (LFC): 884.38 mb = 1134.06 m = 3720.62 ft Equ Level (EL): 374.38 mb = 7706.03 m = 25281.94 ft B at Equ Level: 371.37 J/kg Max Parcel Lev (MPL): 224.38 mb = 11079.00 m = 36347.98 ft Wind level data Storm motion: 229 at 27 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 1006 15 270 6 6.0 -0.0 | 39 23 -14.2 -17.6 1 1000 98 235 7 5.7 4.0 | 47 20 -14.5 -13.6 2 925 760 195 27 7.0 26.1 | 123 16 -13.2 8.5 3 850 1463 190 31 5.4 30.5 | 131 20 -14.8 12.9 4 700 3029 190 35 6.1 34.5 | 140 22 -14.1 16.8 5 500 5620 210 49 24.5 42.4 | 190 25 4.3 24.8 6 400 7240 215 47 27.0 38.5 | 198 22 6.7 20.9 7 300 9210 225 55 38.9 38.9 | 221 28 18.7 21.3 8 250 10390 220 81 52.1 62.0 | 216 55 31.8 44.4 9 235 10785 225 85 60.1 60.1 | 223 58 39.9 42.5 10 229 10950 230 80 61.3 51.4 | 231 53 41.1 33.8 11 200 11810 235 70 57.3 40.2 | 239 43 37.1 22.5 12 150 13630 240 40 34.6 20.0 | 261 15 14.4 2.4 13 100 16150 245 53 48.0 22.4 | 260 28 27.8 4.8 14 70 18320 230 54 41.4 34.7 | 231 27 21.1 17.1 15 50 20410 235 47 38.5 27.0 | 243 21 18.3 9.3 16 30 23620 255 71 68.6 18.4 | 269 48 48.4 0.8 17 20 26180 260 96 94.5 16.7 | 271 74 74.3 -0.9 Wind Parameters Mean winds (0-6000m): 198.9 at 35.8 knts Storm direction: 228.9 at 26.8 knts Shear (0-3000m) pos: 0.0 neg: 5.9 tot: 5.9 10-3/s Storm rel Dir Shear (0-3000m): 101.0 deg Storm rel helicity (0-3000m) pos: 98.8 neg: 0.0 tot: 98.8 m^2/s^2 ave: 32.9 10^-3 m/s^2 rel: 0.69 Storm rel vorticity (0-3000m) horiz: 6.2 stream: 4.3 10^-3/s Energy-Hel index: 0.20 Bulk Rich Number: 4.77 Bulk Shear: 77.94 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 ------------------------------------------------------------------------------- 500 218 13 58 15| 0.0 17.9 17.9| 45.1 0.0 45.1 90.1 0.65| 18.4 11.9 1000 200 19 92 14| 0.0 14.3 14.3| 73.8 0.0 73.8 73.8 0.69| 15.0 10.4 1500 196 23 108 15| 0.0 10.5 10.5| 81.7 0.0 81.7 54.4 0.68| 11.1 7.5 2000 194 25 116 16| 0.0 8.2 8.2| 87.4 0.0 87.4 43.7 0.68| 8.6 5.9 2500 193 27 121 17| 0.0 6.8 6.8| 93.1 0.0 93.1 37.2 0.69| 7.2 4.9 3000 192 28 125 17| 0.0 5.9 5.9| 98.8 0.0 98.8 32.9 0.69| 6.2 4.3 4000 193 30 132 18| 0.9 4.4 5.4|141.5 0.0 141.5 35.4 0.74| 5.6 4.2 5000 195 33 141 18| 1.6 3.5 5.1|188.8 0.0 188.8 37.8 0.78| 5.3 4.1 6000 199 36 152 18| 1.7 3.0 4.7|225.4 0.0 225.4 37.6 0.79| 4.9 3.9 Wrote GIF file: /home/apache/climate/data/raob//LGAT/skewt/LGAT.skewt.20251127.12.gif