UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122112.upa.cvt Date: 1200Z 21 DEC 25 Searching for X0557... Searching the city database file for: X0557 ... Date:1200Z 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 177 1 925 745 SFC 906 895 -27.3 -32.1 64 4.8 -27.7 0 0 252.9 252.9 251.8 253.7 0.29 3 879 1115 -24.3 -29.2 64 4.9 -24.8 298 1 258.2 258.3 256.5 259.3 0.39 4 850 1360 -23.7 -27.8 69 4.1 -24.2 230 3 261.3 261.4 259.2 262.6 0.46 5 841 1438 -19.3 -23.3 71 4.0 -19.9 233 4 266.7 266.9 263.7 268.7 0.70 6 828 1554 -18.9 -22.9 71 4.0 -19.6 238 5 268.4 268.5 265.0 270.4 0.73 7 820 1627 -16.5 -20.5 71 4.0 -17.3 241 6 271.6 271.8 267.5 274.3 0.91 8 811 1710 -16.1 -20.1 71 4.0 -16.9 245 6 272.9 273.1 268.4 275.7 0.95 9 806 1756 -16.3 -20.5 70 4.2 -17.1 246 7 273.2 273.3 268.6 275.9 0.93 10 768 2117 -19.5 -25.5 59 6.0 -20.4 261 10 273.5 273.6 268.2 275.4 0.62 11 700 2802 -22.5 -28.5 58 6.0 -23.3 290 17 277.6 277.7 270.6 279.1 0.52 12 617 3719 -27.9 -32.9 62 5.0 -28.4 290 24 281.6 281.6 272.8 282.8 0.39 13 523 4888 -35.9 -40.7 61 4.8 -36.2 290 33 285.6 285.6 274.7 286.3 0.21 14 500 5200 -36.5 -41.4 60 4.9 -36.8 290 36 288.5 288.6 276.2 289.2 0.20 15 400 6720 -43.5 -48.4 58 4.9 -43.7 285 50 298.5 298.5 280.8 298.9 0.12 16 398 6754 -43.7 -48.5 59 4.8 -43.9 285 50 298.6 298.6 280.9 299.0 0.12 17 325 8087 -53.1 -57.9 56 4.8 -53.2 289 53 303.5 303.5 282.8 303.7 0.05 18 300 8600 -55.1 -59.7 57 4.6 -55.2 290 54 307.7 307.7 284.5 307.8 0.04 19 291 8793 -56.1 -60.7 56 4.6 -56.2 289 56 308.9 309.0 284.9 309.1 0.04 20 258 9546 -61.3 -65.9 54 4.6 -61.3 286 62 312.1 312.1 286.1 312.2 0.02 21 250 9740 -62.1 -66.9 53 4.8 -62.1 285 64 313.7 313.7 286.7 313.8 0.02 22 238 10044 -62.9 -67.7 52 4.8 -63.0 285 66 317.0 317.0 287.8 317.1 0.02 23 231 10228 -62.9 -67.7 52 4.8 -63.0 285 66 319.7 319.7 288.6 319.8 0.02 24 215 10671 -61.9 -66.6 53 4.7 -62.0 285 66 327.9 327.9 291.2 328.0 0.02 25 200 11120 -60.9 -65.5 54 4.6 -61.0 290 58 336.3 336.3 293.4 336.4 0.03 26 180 11783 -57.1 -62.1 53 5.0 -57.2 290 54 352.8 352.8 297.3 353.0 0.05 27 150 12940 -56.7 -61.7 53 5.0 -56.8 290 48 372.4 372.4 301.0 372.7 0.06 28 100 15520 -54.7 -61.7 42 7.0 -55.0 285 44 422.0 422.1 308.0 422.5 0.09 29 77 17190 -53.7 -62.7 32 9.0 -54.2 281 34 456.9 456.9 311.5 457.5 0.11 30 70 17800 -54.3 -63.3 32 9.0 -54.8 280 31 468.2 468.2 312.5 468.9 0.11 31 64 18373 -56.5 -66.5 27 10.0 -57.0 275 32 475.5 475.6 313.1 476.0 0.08 32 56 19228 -53.5 -64.5 25 11.0 -54.3 267 32 500.9 500.9 315.1 501.6 0.12 33 50 19960 -52.9 -63.9 25 11.0 -53.8 260 33 518.8 518.9 316.3 519.7 0.14 34 34 22441 -53.5 -67.5 17 14.0 -54.9 245 38 577.7 577.8 319.6 578.7 0.13 35 30 23250 -51.1 -65.1 17 14.0 -53.0 240 40 605.3 605.4 320.9 606.9 0.20 36 24 24704 -50.1 -65.1 15 15.0 -52.7 232 38 648.1 648.2 322.7 650.2 0.25 37 20 25890 -51.9 -67.9 13 16.0 -54.5 225 36 677.3 677.4 323.7 679.1 0.21 38 19 26222 -52.1 -68.1 13 16.0 -54.7 686.7 686.8 324.0 688.5 0.21 39 16 27348 -46.9 -63.9 13 17.0 -51.4 738.3 738.5 325.7 742.3 0.44 40 13 28727 -46.1 -64.1 11 18.0 -51.5 786.2 786.5 327.0 791.4 0.53 TRP 238 10044 -62.9 -67.7 52 4.8 -63.0 285 66 317.0 317.0 287.8 317.1 0.02 WND 215 10671 -61.9 -66.6 53 4.7 -62.0 285 66 327.9 327.9 291.2 328.0 0.02 Sounding variables and indices 1000-500 mb thick: 5023.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.10 inches Sfc-500 mean rel hum: 62.21 % Est. max temperature: -6.56 C = 20.19 F Sfc-Lift cond lev (LCL): 835.61 mb = 1486.27 m = 4876.16 ft T: -19.13 C 700-500 lapse rate: 5.84 C/km ThetaE index: 0.49 C Layer 768.0- 700.0 mb Conv cond level (CCL): 906.00 mb = 894.84 m = 2935.79 ft Mean mixing ratio: 0.56 g/kg Conv temperature: -24.85 C = -12.72 F Cap Strength: 17.69 C Lifted Index: 19.88 C Risk: None Lifted Index @300 mb: 30.66 C Lifted Index @700 mb: 12.61 C Showalter Index: 21.34 C Risk: None Total Totals Index: 21.50 C Risk: None Vertical Totals Index: 12.80 C Cross Totals Index: 8.70 C K Index: -21.00 Risk: None Sweat Index: 42.00 Risk: None Energy Index: 5.74 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 89.98 J/kg Max Up Vert Vel: 13.41 m/s Conv Inhibition (B-): 70997.00 J/kg Cap Strength: 19.42 C Lift Cond Lev (LCL): 804.79 mb = 1767.75 m = 5799.63 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 318 at 19 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 ---------------------------------------------------------- 0 906 895 0 0 -0.0 -0.0 | 138 19 -13.1 14.3 1 850 1360 230 3 2.3 1.9 | 146 19 -10.8 16.2 2 700 2802 290 17 16.0 -5.8 | 199 9 2.9 8.5 3 500 5200 290 36 33.8 -12.3 | 265 21 20.8 2.0 4 400 6720 285 50 48.3 -12.9 | 268 35 35.2 1.4 5 300 8600 290 54 50.7 -18.5 | 276 38 37.7 -4.2 6 250 9740 285 64 61.8 -16.6 | 273 49 48.7 -2.3 7 238 10044 285 66 63.8 -17.1 | 273 51 50.7 -2.8 8 215 10671 285 66 63.8 -17.1 | 273 51 50.7 -2.8 9 200 11120 290 58 54.5 -19.8 | 278 42 41.4 -5.5 10 150 12940 290 48 45.1 -16.4 | 274 32 32.0 -2.1 11 100 15520 285 44 42.5 -11.4 | 264 30 29.4 2.9 12 70 17800 280 31 30.5 -5.4 | 243 20 17.5 8.9 13 50 19960 260 33 32.5 5.7 | 224 28 19.4 20.0 14 30 23250 240 40 34.6 20.0 | 212 41 21.6 34.3 15 20 25890 225 36 25.5 25.5 | 197 42 12.4 39.8 Wind Parameters Mean winds (0-6000m): 287.6 at 25.8 knts Storm direction: 317.6 at 19.4 knts Shear (0-3000m) pos: 2.8 neg: 1.7 tot: 4.5 10-3/s Storm rel Dir Shear (0-3000m): 105.9 deg Storm rel helicity (0-3000m) pos: 92.1 neg: -0.8 tot: 91.2 m^2/s^2 ave: 30.4 10^-3 m/s^2 rel: 0.79 Storm rel vorticity (0-3000m) horiz: 5.3 stream: 4.2 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 1.09 Bulk Shear: 82.74 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 ------------------------------------------------------------------------------- 500 230 2 142 19| 0.0 3.4 3.4| 16.2 -0.8 15.4 30.8 0.66| 5.0 3.3 1000 243 4 148 19| 2.7 1.7 4.4| 40.6 -0.8 39.8 39.8 0.80| 5.2 4.2 1500 263 6 154 17| 3.7 1.1 4.8| 60.4 -0.8 59.5 39.7 0.79| 5.6 4.4 2000 281 8 159 14| 4.2 0.9 5.0| 73.3 -0.8 72.4 36.2 0.75| 5.9 4.4 2500 284 10 166 12| 3.3 1.3 4.7| 82.7 -0.8 81.8 32.7 0.78| 5.5 4.3 3000 286 13 175 11| 2.8 1.7 4.5| 92.1 -0.8 91.2 30.4 0.79| 5.3 4.2 4000 288 17 199 10| 2.1 2.3 4.4|110.9 -0.8 110.0 27.5 0.75| 5.0 3.7 5000 288 21 223 10| 1.7 2.8 4.4|123.1 -0.8 122.3 24.5 0.65| 4.9 3.2 6000 288 26 241 13| 1.4 3.0 4.4|130.7 -0.8 129.9 21.7 0.57| 4.8 2.7 Wrote GIF file: /home/apache/climate/data/raob//X0557/skewt/X0557.skewt.20251221.12.gif