UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122100.upa.cvt Date: 0000Z 21 DEC 25 Searching for X0557... Searching the city database file for: X0557 ... Date:0000Z 21 DEC 25 Station: X0557 WMO ident: 30557 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- 0 1000 249 1 925 790 SFC 911 895 -39.5 -44.5 59 5.0 -39.6 0 0 240.0 240.0 239.6 240.2 0.08 3 899 986 -38.1 -43.1 59 5.0 -38.2 337 1 242.3 242.3 241.8 242.6 0.09 4 887 1080 -29.3 -34.3 62 5.0 -29.6 314 1 252.4 252.4 251.3 253.0 0.24 5 885 1097 -25.5 -31.5 57 6.0 -26.0 310 1 256.5 256.5 254.9 257.3 0.31 6 852 1376 -21.1 -25.6 67 4.5 -21.7 244 3 263.9 264.0 261.3 265.5 0.56 7 850 1393 -21.1 -25.6 67 4.5 -21.7 240 3 264.0 264.1 261.5 265.6 0.56 8 838 1498 -20.9 -25.3 68 4.4 -21.5 243 4 265.3 265.4 262.4 267.0 0.58 9 810 1748 -21.5 -26.1 66 4.6 -22.1 250 6 267.3 267.4 263.9 268.9 0.56 10 700 2807 -29.1 -34.1 62 5.0 -29.5 280 17 270.3 270.3 265.4 271.2 0.30 11 687 2940 -30.1 -34.9 63 4.8 -30.5 281 18 270.6 270.6 265.7 271.5 0.29 12 659 3236 -30.1 -34.7 64 4.6 -30.5 284 21 273.8 273.9 267.8 274.8 0.30 13 549 4518 -36.1 -40.0 67 3.9 -36.4 298 35 281.4 281.4 272.3 282.1 0.21 14 500 5160 -40.3 -44.5 64 4.2 -40.5 305 42 283.9 283.9 273.6 284.4 0.15 15 487 5339 -42.3 -46.6 63 4.3 -42.5 306 46 283.6 283.6 273.5 284.0 0.12 16 455 5797 -43.9 -48.3 62 4.4 -44.0 309 55 287.2 287.2 275.3 287.5 0.11 17 400 6650 -50.9 -55.0 62 4.1 -51.0 315 73 288.8 288.8 276.2 289.0 0.05 18 362 7289 -57.3 -61.7 57 4.4 -57.3 315 80 288.6 288.6 276.0 288.7 0.03 19 333 7813 -60.1 -64.4 57 4.3 -60.1 315 85 291.8 291.8 277.6 291.9 0.02 20 317 8119 -61.7 -66.0 56 4.3 -61.7 315 81 293.7 293.7 278.5 293.8 0.02 21 316 8138 -61.7 -66.0 56 4.3 -61.7 315 81 294.0 294.0 278.6 294.0 0.02 22 300 8460 -60.9 -65.0 58 4.1 -60.9 315 73 299.5 299.5 281.1 299.6 0.02 23 256 9451 -57.1 -61.7 56 4.6 -57.2 306 53 319.0 319.0 288.5 319.2 0.04 24 250 9600 -57.1 -61.8 55 4.7 -57.2 305 50 321.2 321.2 289.2 321.3 0.04 25 238 9912 -55.9 -60.6 56 4.7 -56.0 303 47 327.5 327.5 291.0 327.7 0.05 26 200 11020 -55.9 -61.9 47 6.0 -56.1 295 36 344.2 344.3 295.4 344.4 0.05 27 194 11215 -56.1 -62.1 47 6.0 -56.2 294 35 346.9 346.9 296.0 347.1 0.05 28 150 12870 -52.9 -61.9 33 9.0 -53.2 290 31 378.9 378.9 302.1 379.2 0.06 29 141 13269 -51.5 -61.5 29 10.0 -51.9 285 30 388.1 388.2 303.6 388.5 0.07 30 124 14094 -54.3 -65.3 25 11.0 -54.6 276 28 397.6 397.6 304.9 397.8 0.05 31 116 14523 -50.9 -62.9 23 12.0 -51.5 271 27 411.5 411.6 306.7 411.9 0.07 32 100 15480 -53.7 -67.7 16 14.0 -54.2 260 25 424.0 424.0 308.2 424.2 0.04 33 97 15676 -54.1 -68.1 16 14.0 -54.6 259 25 426.9 426.9 308.5 427.1 0.04 34 88 16306 -52.3 -67.3 15 15.0 -53.0 255 25 442.6 442.6 310.1 442.8 0.05 35 78 17082 -55.9 -70.9 14 15.0 -56.4 250 25 450.6 450.6 310.9 450.8 0.03 36 70 17780 -50.9 -67.9 12 17.0 -52.0 245 25 475.5 475.5 313.1 475.8 0.06 37 68 17969 -49.1 -66.1 12 17.0 -50.4 244 25 483.3 483.4 313.7 483.8 0.08 38 55 19350 -51.9 -69.9 10 18.0 -53.1 234 24 507.2 507.2 315.5 507.5 0.06 39 50 19970 -49.1 -68.1 9 19.0 -50.8 230 23 527.8 527.8 316.8 528.3 0.08 40 48 20238 -48.1 -68.1 8 20.0 -50.0 228 23 536.3 536.4 317.3 536.9 0.08 41 36 22127 -49.9 -70.9 7 21.0 -52.0 211 22 577.7 577.7 319.6 578.2 0.07 42 32 22902 -46.5 -68.5 6 22.0 -49.6 204 21 606.6 606.6 320.9 607.5 0.12 43 30 23330 -47.3 -69.3 6 22.0 -50.4 200 21 615.7 615.7 321.3 616.6 0.11 44 29 23554 -47.5 -69.5 6 22.0 -50.6 621.1 621.2 321.6 622.0 0.11 45 26 24282 -43.5 -67.5 5 24.0 -48.1 652.2 652.3 322.8 653.6 0.17 46 25 24545 -45.7 -68.7 6 23.0 -49.7 653.2 653.3 322.9 654.4 0.15 47 22 25400 -43.7 -67.7 5 24.0 -48.7 683.5 683.6 323.9 685.2 0.19 TRP 317 8119 -61.7 -66.0 56 4.3 -61.7 315 81 293.7 293.7 278.5 293.8 0.02 WND 333 7813 -60.1 -64.4 57 4.3 -60.1 315 85 291.8 291.8 277.6 291.9 0.02 Sounding variables and indices 1000-500 mb thick: 4911.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.07 inches Sfc-500 mean rel hum: 64.66 % Est. max temperature: -11.63 C = 11.06 F Sfc-Lift cond lev (LCL): 834.38 mb = 1529.81 m = 5019.01 ft T: -20.98 C 700-500 lapse rate: 4.76 C/km Conv cond level (CCL): 911.00 mb = 894.68 m = 2935.27 ft Mean mixing ratio: 0.42 g/kg Conv temperature: -28.00 C = -18.41 F Cap Strength: 18.20 C Lifted Index: 19.74 C Risk: None Lifted Index @300 mb: 28.03 C Lifted Index @700 mb: 9.85 C Showalter Index: 15.11 C Risk: None Total Totals Index: 33.90 C Risk: None Vertical Totals Index: 19.20 C Cross Totals Index: 14.70 C K Index: -11.40 Risk: None Sweat Index: 48.00 Risk: None Energy Index: 3.93 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 110.82 J/kg Max Up Vert Vel: 14.89 m/s Conv Inhibition (B-): 61279.73 J/kg Cap Strength: 19.62 C Lift Cond Lev (LCL): 813.88 mb = 1713.21 m = 5620.70 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 334 at 24 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 ---------------------------------------------------------- 0 911 895 0 0 -0.0 -0.0 | 154 24 -10.5 21.6 1 850 1393 240 3 2.6 1.5 | 161 24 -7.9 23.1 2 700 2807 280 17 16.7 -3.0 | 199 20 6.3 18.6 3 500 5160 305 42 34.4 -24.1 | 276 24 24.0 -2.5 4 400 6650 315 73 51.6 -51.6 | 306 51 41.2 -30.0 5 333 7813 315 85 60.1 -60.1 | 308 63 49.7 -38.5 6 317 8119 315 81 57.3 -57.3 | 307 59 46.8 -35.7 7 300 8460 315 73 51.6 -51.6 | 306 51 41.2 -30.0 8 250 9600 305 50 41.0 -28.7 | 283 31 30.5 -7.1 9 200 11020 295 36 32.6 -15.2 | 254 23 22.2 6.4 10 150 12870 290 31 29.1 -10.6 | 240 22 18.7 11.0 11 100 15480 260 25 24.6 4.3 | 209 30 14.2 25.9 12 70 17780 245 25 22.7 10.6 | 201 34 12.2 32.2 13 50 19970 230 23 17.6 14.8 | 191 37 7.2 36.4 14 30 23330 200 21 7.2 19.7 | 175 41 -3.3 41.3 Wind Parameters Mean winds (0-6000m): 304.2 at 32.0 knts Storm direction: 334.2 at 24.0 knts Shear (0-3000m) pos: 4.6 neg: 0.5 tot: 5.1 10-3/s Storm rel Dir Shear (0-3000m): 81.3 deg Storm rel helicity (0-3000m) pos: 171.0 neg: -0.1 tot: 170.8 m^2/s^2 ave: 56.9 10^-3 m/s^2 rel: 0.92 Storm rel vorticity (0-3000m) horiz: 5.6 stream: 5.2 10^-3/s Energy-Hel index: 0.08 Bulk Rich Number: 0.85 Bulk Shear: 130.03 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 ------------------------------------------------------------------------------- 500 240 2 158 24| 0.0 3.1 3.1| 17.7 -0.1 17.5 35.1 0.64| 4.6 2.9 1000 248 3 162 24| 2.6 1.6 4.2| 50.4 -0.1 50.3 50.3 0.83| 5.0 4.1 1500 261 6 168 23| 3.6 1.0 4.6| 82.7 -0.1 82.5 55.0 0.87| 5.2 4.5 2000 273 8 174 21| 4.1 0.8 4.8|112.5 -0.1 112.4 56.2 0.88| 5.5 4.8 2500 277 10 180 20| 4.4 0.6 5.0|141.2 -0.1 141.1 56.5 0.90| 5.5 5.0 3000 282 13 187 19| 4.6 0.5 5.1|171.0 -0.1 170.8 56.9 0.92| 5.6 5.2 4000 291 18 204 16| 4.9 0.4 5.3|236.7 -0.1 236.6 59.1 0.93| 5.8 5.4 5000 298 24 227 15| 5.8 0.3 6.1|332.3 -0.1 332.1 66.4 0.85| 6.6 5.6 6000 304 32 257 16| 6.4 0.3 6.7|440.2 -0.1 440.1 73.4 0.77| 7.2 5.5 Wrote GIF file: /home/apache/climate/data/raob//X0557/skewt/X0557.skewt.20251221.00.gif