UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102112.upa.cvt Date: 1200Z 21 OCT 25 Searching for LGAT... Searching the city database file for: LGAT ... Date:1200Z 21 OCT 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 1007 15 23.8 16.8 65 7.0 19.1 0 0 296.4 298.5 292.0 331.1 12.03 1 978 278 18.4 16.2 87 2.2 17.0 29 1 293.4 295.5 291.0 327.4 11.92 2 960 444 17.0 15.8 93 1.2 16.3 52 1 293.6 295.7 290.9 327.3 11.84 3 925 772 15.2 13.4 89 1.8 14.1 100 2 294.9 296.7 290.3 325.0 10.50 4 911 901 14.4 12.6 89 1.8 13.3 123 3 295.3 297.1 290.1 324.4 10.11 5 850 1485 10.6 9.6 94 1.0 10.0 225 6 297.3 298.9 289.7 323.0 8.86 6 789 2101 6.6 5.5 93 1.1 6.0 235 12 299.4 300.7 288.9 320.6 7.19 7 742 2604 4.8 -4.2 52 9.0 0.7 242 16 302.7 303.4 286.8 314.3 3.77 8 700 3077 1.2 -4.8 64 6.0 -1.5 250 21 303.8 304.5 287.3 315.6 3.82 9 691 3181 0.2 -4.6 70 4.8 -2.0 251 21 303.8 304.6 287.4 315.9 3.93 10 680 3310 -0.3 -5.2 69 4.9 -2.5 252 20 304.7 305.4 287.6 316.4 3.82 11 656 3597 -1.3 -10.3 50 9.0 -4.8 254 19 306.7 307.2 287.1 315.1 2.66 12 640 3794 -2.1 -29.1 11 27.0 -8.8 255 19 308.0 308.1 285.2 309.8 0.54 13 624 3995 -3.1 -28.1 12 25.0 -9.4 257 18 309.0 309.2 285.7 311.1 0.61 14 608 4200 -4.9 -16.9 38 12.0 -8.8 258 18 309.3 309.6 287.0 314.7 1.67 15 600 4304 -5.7 -27.7 16 22.0 -11.1 259 17 309.5 309.6 285.9 311.8 0.65 16 582 4543 -7.1 -17.1 45 10.0 -10.4 261 17 310.6 310.9 287.5 316.2 1.72 17 561 4829 -8.7 -26.7 22 18.0 -13.1 263 16 312.0 312.1 286.9 314.6 0.77 18 500 5710 -15.7 -25.7 42 10.0 -18.0 270 13 313.9 314.1 287.8 317.1 0.94 19 490 5862 -16.7 -26.7 42 10.0 -18.9 269 14 314.5 314.7 287.9 317.5 0.88 20 462 6302 -17.9 -38.9 14 21.0 -21.1 266 19 318.3 318.4 288.5 319.4 0.29 21 414 7111 -24.7 -32.7 47 8.0 -26.0 262 27 319.7 319.8 289.3 321.8 0.59 22 400 7360 -27.1 -28.6 87 1.5 -27.4 260 29 319.8 319.9 289.6 322.9 0.90 23 371 7898 -30.7 -30.7 100 0.0 -30.7 267 32 321.9 322.1 290.2 324.8 0.80 24 355 8209 -33.7 -35.5 84 1.8 -33.9 270 34 322.0 322.1 289.9 323.9 0.52 25 343 8450 -35.1 -48.1 25 13.0 -36.1 273 35 323.3 323.3 289.9 323.8 0.14 26 300 9370 -42.1 -51.1 37 9.0 -42.6 285 40 326.0 326.0 290.7 326.5 0.12 27 294 9506 -43.3 -53.3 32 10.0 -43.7 285 40 326.2 326.2 290.7 326.6 0.09 28 259 10342 -50.9 -54.3 67 3.4 -51.0 285 38 327.1 327.1 291.0 327.4 0.09 29 250 10570 -52.7 -57.2 58 4.5 -52.8 285 38 327.7 327.7 291.2 328.0 0.07 30 241 10807 -54.5 -58.4 62 3.9 -54.6 287 40 328.5 328.5 291.3 328.7 0.06 31 235 10968 -55.5 -61.5 47 6.0 -55.6 288 41 329.3 329.3 291.6 329.5 0.04 32 224 11273 -58.1 -62.8 55 4.7 -58.2 290 43 329.9 329.9 291.7 330.0 0.04 33 200 11990 -57.7 -68.7 23 11.0 -57.9 295 48 341.4 341.4 294.7 341.5 0.02 34 193 12215 -57.9 -70.9 17 13.0 -58.0 344.6 344.6 295.4 344.6 0.01 35 177 12758 -60.1 -75.1 12 15.0 -60.3 349.6 349.6 296.5 349.6 0.01 TRP WND Sounding variables and indices 1000-500 mb thick: 5632.16 m Freezing level: 686.60 mb = 3232.49 m = 10605.16 ft Wetbulb zero: 729.13 mb = 2746.33 m = 9010.16 ft Precipitable water: 1.19 inches Sfc-500 mean rel hum: 59.60 % Est. max temperature: 24.47 C = 76.04 F Sfc-Lift cond lev (LCL): 908.75 mb = 922.28 m = 3025.82 ft T: 14.26 C 700-500 lapse rate: 6.42 C/km ThetaE index: 16.82 C Layer 978.0- 700.0 mb Conv cond level (CCL): 909.81 mb = 912.48 m = 2993.68 ft Mean mixing ratio: 11.35 g/kg Conv temperature: 22.80 C = 73.04 F Cap Strength: 0.49 C Lifted Index: -3.00 C Risk: Severe thunderstorms possible Lifted Index @300 mb: 0.13 C Lifted Index @700 mb: -1.98 C Showalter Index: -0.95 C Risk: Thunderstorms probable Total Totals Index: 51.60 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 26.30 C Cross Totals Index: 25.30 C K Index: 29.90 Risk: 40-60 % chance of thunderstorms Sweat Index: 192.20 Risk: None Energy Index: -1.20 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 482.52 J/kg Max Up Vert Vel: 31.07 m/s Conv Inhibition (B-): 6.73 J/kg Cap Strength: 1.92 C Lift Cond Lev (LCL): 922.28 mb = 797.01 m = 2614.84 ft Lev Free Conv (LFC): 887.28 mb = 1123.61 m = 3686.33 ft Equ Level (EL): 297.28 mb = 9431.24 m = 30942.02 ft B at Equ Level: 481.23 J/kg Max Parcel Lev (MPL): 187.28 mb = 12403.48 m = 40693.35 ft Wind level data Storm motion: 283 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 1007 15 0 0 -0.0 -0.0 | 103 10 -9.3 2.2 1 1000 0 0 0 -0.0 -0.0 | 103 10 -9.3 2.2 2 925 772 100 2 -2.0 0.3 | 103 12 -11.3 2.5 3 850 1485 225 6 4.2 4.2 | 142 8 -5.1 6.4 4 700 3077 250 21 19.7 7.2 | 228 14 10.4 9.4 5 500 5710 270 13 13.0 -0.0 | 239 4 3.7 2.2 6 400 7360 260 29 28.6 5.0 | 249 21 19.2 7.2 7 300 9370 285 40 38.6 -10.4 | 286 30 29.3 -8.2 8 250 10570 285 38 36.7 -9.8 | 286 28 27.4 -7.6 9 200 11990 295 48 43.5 -20.3 | 298 39 34.2 -18.1 Wind Parameters Mean winds (0-6000m): 253.2 at 12.8 knts Storm direction: 283.2 at 9.6 knts Shear (0-3000m) pos: 3.5 neg: 0.0 tot: 3.5 10-3/s Storm rel Dir Shear (0-3000m): 122.8 deg Storm rel helicity (0-3000m) pos: 62.8 neg: -1.9 tot: 60.9 m^2/s^2 ave: 20.3 10^-3 m/s^2 rel: 0.79 Storm rel vorticity (0-3000m) horiz: 4.8 stream: 3.8 10^-3/s Energy-Hel index: 0.11 Bulk Rich Number: 20.69 Bulk Shear: 23.32 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 ------------------------------------------------------------------------------- 500 113 1 104 10| 1.4 0.0 1.4| 0.1 -1.9 -1.7 -3.5 -0.44| 1.6 -0.7 1000 112 1 104 11| 1.7 0.0 1.7| 9.4 -1.9 7.5 7.5 0.44| 2.6 1.2 1500 189 3 118 10| 2.2 0.0 2.2| 26.0 -1.9 24.1 16.1 0.64| 4.3 2.8 2000 218 4 129 9| 2.8 0.0 2.8| 36.6 -1.9 34.7 17.4 0.74| 4.5 3.3 2500 230 6 143 8| 3.2 0.0 3.2| 48.5 -1.9 46.6 18.6 0.78| 4.6 3.6 3000 240 8 161 7| 3.5 0.0 3.5| 62.8 -1.9 60.9 20.3 0.79| 4.8 3.8 4000 246 11 187 7| 2.3 0.0 2.3| 68.5 -1.9 66.6 16.6 0.74| 4.1 3.0 5000 250 12 200 7| 1.6 0.0 1.6| 70.1 -1.9 68.2 13.6 0.68| 3.7 2.5 6000 253 13 206 7| 1.2 0.2 1.4| 71.5 -1.9 69.6 11.6 0.61| 3.5 2.2 Wrote GIF file: /home/apache/climate/data/raob//LGAT/skewt/LGAT.skewt.20251021.12.gif