UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121512.upa.cvt Date: 1200Z 15 DEC 25 Searching for X0557... Searching the city database file for: X0557 ... Date:1200Z 15 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 280 1 925 819 SFC 915 894 -38.9 -43.3 63 4.4 -39.0 0 0 240.3 240.3 239.9 240.5 0.09 3 908 948 -30.1 -34.0 69 3.9 -30.3 351 0 249.9 249.9 249.1 250.5 0.24 4 891 1083 -26.3 -29.8 72 3.5 -26.6 328 1 255.1 255.2 253.9 256.1 0.36 5 866 1290 -25.3 -28.8 73 3.5 -25.6 293 2 258.3 258.3 256.6 259.4 0.41 6 854 1392 -21.3 -24.8 73 3.5 -21.8 276 3 263.5 263.6 261.1 265.2 0.60 7 850 1427 -21.1 -24.7 73 3.6 -21.6 270 3 264.0 264.1 261.6 265.8 0.61 8 837 1541 -19.5 -23.3 72 3.8 -20.1 274 4 266.9 267.0 263.9 268.9 0.70 9 834 1568 -18.7 -22.7 71 4.0 -19.3 275 4 268.0 268.1 264.7 270.1 0.74 10 817 1722 -18.3 -24.3 59 6.0 -19.2 281 5 270.0 270.1 266.0 271.9 0.65 11 802 1860 -18.7 -28.7 41 10.0 -20.0 286 7 271.0 271.1 266.3 272.3 0.45 12 775 2114 -20.7 -35.7 25 15.0 -22.2 296 9 271.5 271.6 266.2 272.3 0.23 13 700 2861 -24.5 -41.5 19 17.0 -25.8 325 15 275.4 275.4 268.5 275.8 0.14 14 640 3510 -27.3 -46.3 15 19.0 -28.5 325 23 279.3 279.3 270.9 279.6 0.09 15 588 4116 -30.1 -38.1 46 8.0 -30.7 325 30 282.9 283.0 273.3 283.7 0.24 16 555 4526 -31.5 -37.5 55 6.0 -32.0 325 35 286.0 286.0 275.0 286.9 0.27 17 500 5260 -34.7 -41.7 49 7.0 -35.2 325 44 290.7 290.8 277.3 291.4 0.20 18 400 6800 -40.5 -50.5 33 10.0 -40.9 325 60 302.4 302.4 282.5 302.7 0.09 19 388 7006 -41.1 -51.1 33 10.0 -41.5 324 61 304.2 304.2 283.2 304.5 0.09 20 387 7024 -41.1 -51.1 33 10.0 -41.5 324 61 304.4 304.5 283.3 304.8 0.09 21 300 8710 -51.5 -59.5 38 8.0 -51.7 320 68 312.8 312.8 286.4 312.9 0.04 22 284 9065 -53.5 -60.5 42 7.0 -53.7 320 70 314.8 314.8 287.1 315.0 0.04 23 250 9880 -57.1 -64.1 41 7.0 -57.2 320 73 321.2 321.2 289.1 321.3 0.03 24 233 10323 -59.5 -66.5 40 7.0 -59.6 315 77 324.0 324.0 290.0 324.1 0.02 25 224 10569 -60.9 -67.9 39 7.0 -61.0 315 76 325.6 325.6 290.5 325.7 0.02 26 200 11270 -62.9 -69.9 38 7.0 -63.0 315 75 333.2 333.2 292.6 333.2 0.02 27 196 11394 -63.5 -70.5 38 7.0 -63.6 315 75 334.1 334.1 292.9 334.2 0.01 28 150 13050 -60.7 -67.7 39 7.0 -60.8 320 62 365.5 365.5 299.8 365.6 0.03 29 129 13986 -60.3 -67.3 39 7.0 -60.4 316 58 382.3 382.3 302.6 382.5 0.03 30 100 15570 -59.9 -67.9 34 8.0 -60.1 310 50 412.0 412.0 306.8 412.2 0.04 31 70 17780 -62.5 -72.5 25 10.0 -62.7 300 48 450.7 450.7 310.9 450.8 0.03 32 61 18627 -63.3 -73.3 25 10.0 -63.6 298 46 467.0 467.0 312.4 467.2 0.03 33 50 19850 -62.7 -73.7 21 11.0 -63.0 295 44 495.7 495.7 314.7 495.9 0.04 34 30 23000 -61.7 -73.7 19 12.0 -62.3 280 42 576.4 576.5 319.5 576.9 0.06 35 24 24385 -62.1 -75.1 16 13.0 -62.9 272 44 613.3 613.3 321.2 613.7 0.06 36 20 25530 -56.7 -70.7 16 14.0 -58.3 265 46 662.6 662.7 323.2 663.8 0.14 37 17 26567 -53.9 -68.9 14 15.0 -56.3 703.1 703.2 324.6 705.0 0.21 TRP 196 11394 -63.5 -70.5 38 7.0 -63.6 315 75 334.1 334.1 292.9 334.2 0.01 WND 233 10323 -59.5 -66.5 40 7.0 -59.6 315 77 324.0 324.0 290.0 324.1 0.02 Sounding variables and indices 1000-500 mb thick: 4980.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.06 inches Sfc-500 mean rel hum: 40.87 % Est. max temperature: -7.95 C = 17.70 F Sfc-Lift cond lev (LCL): 847.27 mb = 1450.84 m = 4759.90 ft T: -20.77 C 700-500 lapse rate: 4.25 C/km ThetaE index: 0.09 C Layer 775.0- 700.0 mb Conv cond level (CCL): 915.00 mb = 893.74 m = 2932.18 ft Mean mixing ratio: 0.49 g/kg Conv temperature: -26.32 C = -15.38 F Cap Strength: 20.92 C Lifted Index: 24.17 C Risk: None Lifted Index @300 mb: 36.43 C Lifted Index @700 mb: 13.19 C Showalter Index: 20.59 C Risk: None Total Totals Index: 23.60 C Risk: None Vertical Totals Index: 13.60 C Cross Totals Index: 10.00 C K Index: -28.10 Risk: None Sweat Index: 50.00 Risk: None Energy Index: 5.43 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 97.94 J/kg Max Up Vert Vel: 14.00 m/s Conv Inhibition (B-): 60647.05 J/kg Cap Strength: 23.59 C Lift Cond Lev (LCL): 819.73 mb = 1696.59 m = 5566.17 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 354 at 22 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 ---------------------------------------------------------- 0 915 894 0 0 -0.0 -0.0 | 174 22 -2.2 21.4 1 850 1427 270 3 3.0 -0.0 | 182 21 0.8 21.4 2 700 2861 325 15 8.6 -12.3 | 215 11 6.4 9.2 3 500 5260 325 44 25.2 -36.0 | 302 27 23.1 -14.6 4 400 6800 325 60 34.4 -49.1 | 311 43 32.2 -27.7 5 300 8710 320 68 43.7 -52.1 | 306 52 41.5 -30.7 6 250 9880 320 73 46.9 -55.9 | 308 56 44.7 -34.5 7 233 10323 315 77 54.4 -54.4 | 302 62 52.3 -33.0 8 200 11270 315 75 53.0 -53.0 | 302 60 50.9 -31.6 9 196 11394 315 75 53.0 -53.0 | 302 60 50.9 -31.6 10 150 13050 320 62 39.9 -47.5 | 305 46 37.7 -26.1 11 100 15570 310 50 38.3 -32.1 | 286 38 36.1 -10.7 12 70 17780 300 48 41.6 -24.0 | 274 39 39.4 -2.6 13 50 19850 295 44 39.9 -18.6 | 266 38 37.7 2.8 14 30 23000 280 42 41.4 -7.3 | 250 42 39.2 14.1 15 20 25530 265 46 45.8 4.0 | 240 51 43.7 25.4 Wind Parameters Mean winds (0-6000m): 324.2 at 28.7 knts Storm direction: 354.2 at 21.6 knts Shear (0-3000m) pos: 2.4 neg: 2.4 tot: 4.8 10-3/s Storm rel Dir Shear (0-3000m): 100.3 deg Storm rel helicity (0-3000m) pos: 98.9 neg: 0.0 tot: 98.9 m^2/s^2 ave: 33.0 10^-3 m/s^2 rel: 0.79 Storm rel vorticity (0-3000m) horiz: 5.4 stream: 4.2 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 0.95 Bulk Shear: 103.31 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 ------------------------------------------------------------------------------- 500 270 1 178 21| 0.0 2.9 2.9| 14.8 0.0 14.8 29.5 0.75| 3.7 2.8 1000 279 3 182 21| 2.2 1.4 3.6| 36.9 0.0 36.9 36.9 0.84| 4.1 3.5 1500 296 5 187 19| 3.0 1.0 4.0| 54.5 0.0 54.5 36.3 0.79| 4.5 3.6 2000 314 7 190 17| 3.5 0.7 4.3| 65.2 0.0 65.2 32.6 0.70| 4.9 3.4 2500 318 9 195 15| 2.8 1.7 4.5| 82.0 0.0 82.0 32.8 0.77| 5.2 4.0 3000 321 12 203 13| 2.4 2.4 4.8| 98.9 0.0 98.9 33.0 0.79| 5.4 4.2 4000 323 17 227 11| 1.8 3.4 5.1|132.5 0.0 132.5 33.1 0.73| 5.6 4.1 5000 324 23 256 12| 1.4 3.8 5.2|163.1 0.0 163.1 32.6 0.66| 5.6 3.7 6000 324 29 277 15| 1.2 4.0 5.2|189.2 -1.5 187.6 31.3 0.60| 5.5 3.3 Wrote GIF file: /home/apache/climate/data/raob//X0557/skewt/X0557.skewt.20251215.12.gif