UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026012000.upa.cvt Date: 0000Z 20 JAN 26 Searching for U4947... Searching the city database file for: U4947 ... Date:0000Z 20 JAN 26 Station: U4947 WMO ident: 24947 ------------------------------------------------------------------------------- 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 1029 135 -33.7 -40.7 49 7.0 -34.0 0 0 237.5 237.5 237.3 237.8 0.11 1 1027 148 -33.7 -38.2 64 4.5 -33.9 355 0 237.6 237.7 237.5 238.0 0.14 2 1024 169 -31.7 -36.1 65 4.4 -31.9 348 0 239.8 239.8 239.7 240.3 0.17 3 1017 217 -30.7 -34.9 67 4.2 -30.9 331 0 241.3 241.3 241.1 241.8 0.19 4 1000 336 -31.7 -35.9 66 4.2 -31.9 290 1 241.4 241.5 241.2 241.9 0.18 5 949 704 -33.7 -38.1 64 4.4 -33.9 314 9 243.1 243.1 242.7 243.5 0.15 6 945 734 -31.1 -35.3 66 4.2 -31.3 315 10 246.0 246.0 245.5 246.6 0.20 7 931 840 -30.1 -34.3 67 4.2 -30.4 322 12 248.1 248.1 247.4 248.7 0.22 8 925 886 -28.1 -32.4 67 4.3 -28.4 325 13 250.6 250.6 249.8 251.3 0.27 9 908 1019 -23.9 -27.7 71 3.8 -24.3 338 11 256.2 256.3 255.0 257.4 0.43 10 854 1466 -22.5 -25.3 78 2.8 -22.8 22 5 262.2 262.3 260.1 263.8 0.57 11 850 1500 -22.7 -25.6 77 2.9 -23.1 25 5 262.4 262.5 260.2 263.9 0.56 12 813 1826 -24.7 -28.1 73 3.4 -25.1 36 7 263.6 263.7 260.9 264.9 0.46 13 753 2387 -23.5 -27.1 72 3.6 -23.9 56 10 270.7 270.8 266.3 272.4 0.55 14 700 2919 -26.3 -30.3 69 4.0 -26.8 75 13 273.4 273.4 267.8 274.7 0.44 15 681 3116 -28.1 -32.0 69 3.9 -28.5 82 15 273.5 273.6 267.8 274.7 0.38 16 663 3308 -28.3 -32.0 70 3.7 -28.7 89 17 275.4 275.5 269.0 276.6 0.39 17 620 3787 -28.1 -34.1 56 6.0 -28.7 106 21 281.0 281.0 272.3 282.0 0.34 18 533 4857 -33.5 -49.5 19 16.0 -34.3 144 32 286.9 286.9 275.2 287.2 0.08 19 506 5218 -36.9 -53.9 16 17.0 -37.5 157 35 287.1 287.1 275.2 287.2 0.05 20 500 5300 -37.5 -54.5 15 17.0 -38.1 160 36 287.3 287.3 275.3 287.5 0.05 21 400 6800 -51.1 -60.1 33 9.0 -51.2 170 42 288.6 288.6 276.0 288.7 0.03 22 354 7578 -57.9 -65.9 35 8.0 -58.0 172 42 289.7 289.7 276.5 289.7 0.02 23 348 7685 -58.5 -66.5 35 8.0 -58.6 172 42 290.3 290.3 276.8 290.3 0.01 24 300 8600 -65.1 -73.1 32 8.0 -65.1 175 42 293.6 293.6 278.4 293.6 0.01 25 295 8702 -65.9 -73.9 32 8.0 -66.0 175 43 293.8 293.9 278.6 293.9 0.01 26 269 9262 -67.5 -74.5 36 7.0 -67.5 175 46 299.4 299.4 281.1 299.4 0.01 27 250 9700 -71.1 -79.1 30 8.0 -71.1 175 48 300.4 300.4 281.5 300.4 0.00 28 244 9844 -71.7 -79.7 29 8.0 -71.7 175 46 301.6 301.6 282.0 301.6 0.00 29 237 10016 -69.5 -77.5 30 8.0 -69.5 173 44 307.4 307.4 284.4 307.4 0.00 30 200 11040 -64.9 -72.9 32 8.0 -65.0 160 31 330.0 330.0 291.7 330.0 0.01 31 184 11548 -62.9 -69.9 38 7.0 -63.0 160 30 341.2 341.2 294.6 341.3 0.02 32 150 12800 -62.9 -70.9 33 8.0 -63.0 160 27 361.7 361.7 299.1 361.8 0.02 33 134 13497 -61.7 -69.7 34 8.0 -61.8 160 29 375.7 375.7 301.6 375.8 0.02 34 100 15300 -64.3 -73.3 28 9.0 -64.4 160 33 403.5 403.5 305.7 403.6 0.02 35 70 17470 -65.1 -75.1 24 10.0 -65.3 165 46 445.1 445.1 310.4 445.2 0.02 36 62 18206 -66.3 -76.3 23 10.0 -66.5 165 52 458.2 458.2 311.6 458.3 0.02 37 50 19510 -65.3 -76.3 20 11.0 -65.5 165 62 489.6 489.6 314.2 489.7 0.02 38 33 22039 -64.6 -76.5 18 11.8 -65.0 175 79 553.1 553.1 318.3 553.4 0.04 39 30 22620 -64.5 -76.5 18 12.0 -65.0 180 75 568.8 568.8 319.1 569.1 0.04 40 29 22827 -64.5 -76.5 18 12.0 -65.0 574.3 574.4 319.4 574.6 0.04 TRP 244 9844 -71.7 -79.7 29 8.0 -71.7 175 46 301.6 301.6 282.0 301.6 0.00 WND 33 22039 -64.6 -76.5 18 11.8 -65.0 175 79 553.1 553.1 318.3 553.4 0.04 Sounding variables and indices 1000-500 mb thick: 4964.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.08 inches Sfc-500 mean rel hum: 58.23 % Est. max temperature: -11.64 C = 11.05 F Sfc-Lift cond lev (LCL): 911.86 mb = 988.95 m = 3244.55 ft T: -24.86 C 700-500 lapse rate: 4.70 C/km Conv cond level (CCL): 452.15 mb = 5976.23 m = 19606.82 ft Mean mixing ratio: 0.18 g/kg Conv temperature: 17.23 C = 63.01 F Cap Strength: 36.50 C Lifted Index: 36.19 C Risk: None Lifted Index @300 mb: 35.69 C Lifted Index @700 mb: 27.32 C Showalter Index: 19.26 C Risk: None Total Totals Index: 26.70 C Risk: None Vertical Totals Index: 14.80 C Cross Totals Index: 11.90 C K Index: -14.80 Risk: None Sweat Index: 46.00 Risk: None Energy Index: 5.01 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 24.22 J/kg Max Up Vert Vel: 6.96 m/s Conv Inhibition (B-): 54785.25 J/kg Cap Strength: 36.47 C Lift Cond Lev (LCL): 909.87 mb = 1004.67 m = 3296.11 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 170 at 14 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 1029 135 0 0 -0.0 -0.0 | 350 14 2.5 -13.9 1 1000 336 290 1 0.9 -0.3 | 346 15 3.4 -14.2 2 925 886 325 13 7.5 -10.6 | 338 26 9.9 -24.5 3 850 1500 25 5 -2.1 -4.5 | 359 18 0.4 -18.4 4 700 2919 75 13 -12.6 -3.4 | 30 20 -10.1 -17.2 5 500 5300 160 36 -12.3 33.8 | 154 22 -9.8 20.0 6 400 6800 170 42 -7.3 41.4 | 170 28 -4.8 27.5 7 300 8600 175 42 -3.7 41.8 | 178 28 -1.2 28.0 8 250 9700 175 48 -4.2 47.8 | 177 34 -1.7 34.0 9 244 9844 175 46 -4.0 45.8 | 177 32 -1.5 32.0 10 200 11040 160 31 -10.6 29.1 | 152 17 -8.1 15.3 11 150 12800 160 27 -9.2 25.4 | 150 13 -6.8 11.5 12 100 15300 160 33 -11.3 31.0 | 153 19 -8.8 17.2 13 70 17470 165 46 -11.9 44.4 | 163 32 -9.4 30.6 14 50 19510 165 62 -16.0 59.9 | 164 48 -13.6 46.0 15 33 22039 175 79 -6.9 78.7 | 176 65 -4.4 64.8 16 30 22620 180 75 0.0 75.0 | 182 61 2.5 61.1 Wind Parameters Mean winds (0-6000m): 139.9 at 18.8 knts Storm direction: 169.9 at 14.1 knts Shear (0-3000m) pos: 3.6 neg: 1.3 tot: 4.9 10-3/s Storm rel Dir Shear (0-3000m): 48.5 deg Storm rel helicity (0-3000m) pos: 132.5 neg: -16.6 tot: 115.9 m^2/s^2 ave: 38.6 10^-3 m/s^2 rel: 0.49 Storm rel vorticity (0-3000m) horiz: 6.8 stream: 3.3 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.40 Bulk Shear: 60.69 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 ------------------------------------------------------------------------------- 500 306 3 343 16| 0.0 7.7 7.7| 0.0 -16.6 -16.6 -33.3 -0.50| 8.1 -4.0 1000 327 7 343 20| 3.2 3.9 7.1| 39.9 -16.6 23.3 23.3 0.11| 9.8 1.1 1500 336 7 345 21| 3.0 2.6 5.6| 63.9 -16.6 47.2 31.5 0.24| 9.0 2.2 2000 352 7 350 21| 3.1 1.9 5.1| 81.3 -16.6 64.6 32.3 0.33| 7.7 2.5 2500 12 7 358 21| 3.3 1.5 4.9|103.5 -16.6 86.9 34.7 0.41| 7.0 2.9 3000 33 8 6 21| 3.6 1.3 4.9|132.5 -16.6 115.9 38.6 0.49| 6.8 3.3 4000 72 11 25 19| 4.1 1.0 5.1|215.0 -16.6 198.4 49.6 0.63| 7.1 4.5 5000 115 15 56 13| 4.3 0.8 5.0|323.1 -16.6 306.4 61.3 0.73| 7.8 5.7 6000 140 19 93 10| 3.9 0.6 4.6|369.5 -16.6 352.9 58.8 0.75| 7.3 5.4 Wrote GIF file: /home/apache/climate/data/raob//U4947/skewt/U4947.skewt.20260120.00.gif