UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122812.upa.cvt Date: 1200Z 28 DEC 25 Searching for U7713... Searching the city database file for: U7713 ... Date:1200Z 28 DEC 25 Station: U7713 WMO ident: 27713 ------------------------------------------------------------------------------- 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 -52 SFC 970 190 -2.3 -5.1 81 2.8 -3.3 20 1 273.2 273.7 271.5 280.6 2.69 2 929 530 -6.1 -9.3 78 3.2 -7.1 102 12 272.7 273.1 270.1 278.4 2.03 3 925 564 -6.1 -9.3 78 3.2 -7.1 110 13 273.1 273.4 270.4 278.7 2.04 4 874 1005 -8.7 -11.4 81 2.7 -9.5 120 13 274.8 275.1 271.1 280.0 1.83 5 868 1059 -8.1 -10.8 81 2.7 -8.9 121 13 276.0 276.3 272.0 281.4 1.93 6 850 1221 -8.9 -11.8 79 2.9 -9.7 125 13 276.8 277.1 272.3 282.0 1.82 7 708 2620 -15.5 -18.7 76 3.2 -16.2 111 11 284.4 284.6 275.7 288.1 1.23 8 700 2706 -14.5 -17.7 77 3.2 -15.3 110 11 286.4 286.7 276.9 290.5 1.36 9 695 2760 -14.5 -17.7 77 3.2 -15.3 109 11 287.0 287.3 277.2 291.1 1.37 10 592 3962 -21.1 -25.2 70 4.1 -21.8 95 7 292.8 293.0 279.3 295.5 0.83 11 500 5190 -29.7 -33.8 67 4.1 -30.2 80 3 296.8 296.9 280.6 298.3 0.44 12 411 6555 -39.1 -43.2 65 4.1 -39.4 155 15 301.8 301.9 282.4 302.5 0.20 13 400 6740 -41.1 -45.0 66 3.9 -41.3 165 17 301.6 301.6 282.3 302.2 0.17 14 300 8620 -57.1 -61.5 57 4.4 -57.2 165 17 304.9 304.9 283.4 305.0 0.03 15 263 9446 -64.1 -68.6 54 4.5 -64.1 160 13 306.3 306.3 284.0 306.4 0.01 16 250 9760 -62.9 -67.5 54 4.6 -62.9 155 21 312.6 312.6 286.2 312.6 0.02 17 237 10090 -60.9 -65.2 57 4.3 -61.0 192 17 320.4 320.4 288.9 320.5 0.03 18 229 10305 -58.3 -63.0 55 4.7 -58.4 216 15 327.5 327.5 291.0 327.7 0.03 19 200 11160 -56.7 -61.7 53 5.0 -56.8 310 5 343.0 343.0 295.1 343.2 0.05 20 163 12460 -54.3 -60.3 48 6.0 -54.5 317 14 367.7 367.7 300.2 368.0 0.07 21 150 12990 -55.1 -62.1 42 7.0 -55.3 320 17 375.1 375.2 301.5 375.4 0.06 22 139 13483 -55.9 -63.9 36 8.0 -56.1 318 19 382.0 382.0 302.6 382.2 0.05 23 70 17890 -56.5 -67.5 24 11.0 -57.0 296 40 463.5 463.5 312.1 463.9 0.06 24 67 18158 -56.5 -68.5 21 12.0 -57.1 294 41 469.4 469.4 312.6 469.7 0.06 25 50 19930 -63.1 -74.1 21 11.0 -63.4 285 50 494.8 494.8 314.6 495.0 0.03 26 46 20445 -61.1 -73.1 19 12.0 -61.6 284 52 511.6 511.6 315.8 511.8 0.04 27 38 21616 -66.3 -78.3 17 12.0 -66.6 282 56 527.0 527.0 316.8 527.2 0.02 28 30 23050 -65.3 -77.3 17 12.0 -65.7 280 62 566.6 566.6 319.0 566.9 0.03 29 29 23256 -64.3 -76.3 18 12.0 -64.8 280 63 574.9 574.9 319.4 575.2 0.04 30 20 25480 -72.7 -84.7 15 12.0 -72.9 275 71 613.6 613.6 321.2 613.7 0.02 31 15 27172 -71.9 -83.9 15 12.0 -72.2 668.9 668.9 323.4 669.1 0.02 TRP 263 9446 -64.1 -68.6 54 4.5 -64.1 160 13 306.3 306.3 284.0 306.4 0.01 WND Sounding variables and indices 1000-500 mb thick: 5242.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.28 inches Sfc-500 mean rel hum: 74.64 % Est. max temperature: 2.74 C = 36.94 F Sfc-Lift cond lev (LCL): 928.18 mb = 537.11 m = 1762.14 ft T: -6.10 C 700-500 lapse rate: 6.12 C/km ThetaE index: 2.24 C Layer 929.0- 925.0 mb Conv cond level (CCL): 811.17 mb = 1578.84 m = 5179.86 ft Mean mixing ratio: 2.10 g/kg Conv temperature: 3.19 C = 37.75 F Cap Strength: 12.54 C Lifted Index: 14.69 C Risk: None Lifted Index @300 mb: 18.06 C Lifted Index @700 mb: 8.60 C Showalter Index: 12.64 C Risk: None Total Totals Index: 38.70 C Risk: None Vertical Totals Index: 20.80 C Cross Totals Index: 17.90 C K Index: 5.80 Risk: None Sweat Index: 29.00 Risk: None Energy Index: 3.44 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 8.13 J/kg Max Up Vert Vel: 4.03 m/s Conv Inhibition (B-): 56284.55 J/kg Cap Strength: 14.49 C Lift Cond Lev (LCL): 877.53 mb = 973.92 m = 3195.23 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 144 at 7 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 ---------------------------------------------------------- 0 970 190 20 1 -0.3 -0.9 | 330 7 3.6 -6.3 1 925 564 110 13 -12.2 4.4 | 83 8 -8.2 -0.9 2 850 1221 125 13 -10.6 7.5 | 107 7 -6.7 2.1 3 700 2706 110 11 -10.3 3.8 | 76 7 -6.4 -1.6 4 500 5190 80 3 -3.0 -0.5 | 350 6 1.0 -5.9 5 400 6740 165 17 -4.4 16.4 | 178 11 -0.4 11.0 6 300 8620 165 17 -4.4 16.4 | 178 11 -0.4 11.0 7 263 9446 160 13 -4.4 12.2 | 176 7 -0.5 6.8 8 250 9760 155 21 -8.9 19.0 | 160 14 -4.9 13.6 9 200 11160 310 5 3.8 -3.2 | 318 12 7.8 -8.6 10 150 12990 320 17 10.9 -13.0 | 321 24 14.9 -18.4 11 50 19930 285 50 48.3 -12.9 | 289 55 52.3 -18.3 12 30 23050 280 62 61.1 -10.8 | 284 67 65.0 -16.2 13 20 25480 275 71 70.7 -6.2 | 279 76 74.7 -11.6 Wind Parameters Mean winds (0-6000m): 113.6 at 8.9 knts Storm direction: 143.6 at 6.7 knts Shear (0-3000m) pos: 2.3 neg: 0.9 tot: 3.2 10-3/s Storm rel Dir Shear (0-3000m): 89.0 deg Storm rel helicity (0-3000m) pos: 40.7 neg: -9.3 tot: 31.4 m^2/s^2 ave: 10.5 10^-3 m/s^2 rel: 0.55 Storm rel vorticity (0-3000m) horiz: 4.4 stream: 2.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 64.30 Bulk Shear: 0.13 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 ------------------------------------------------------------------------------- 500 108 8 56 5| 13.5 0.0 13.5| 36.0 0.0 36.0 71.9 0.98| 17.8 17.5 1000 114 11 81 6| 6.8 0.0 6.8| 40.7 0.0 40.7 40.7 0.98| 10.3 10.0 1500 118 11 89 6| 4.6 0.4 4.9| 40.7 -1.9 38.8 25.9 0.87| 7.2 6.3 2000 118 12 90 6| 3.4 0.6 4.0| 40.7 -4.1 36.6 18.3 0.77| 5.7 4.4 2500 117 12 88 6| 2.7 0.7 3.5| 40.7 -6.2 34.5 13.8 0.68| 4.8 3.3 3000 116 11 85 6| 2.3 0.9 3.2| 40.7 -9.3 31.4 10.5 0.55| 4.4 2.4 4000 113 10 77 6| 1.7 1.1 2.8| 40.7 -14.7 26.0 6.5 0.36| 3.7 1.4 5000 112 9 67 5| 1.4 1.1 2.5| 40.7 -19.8 20.9 4.2 0.22| 3.3 0.7 6000 114 9 67 5| 2.0 0.9 3.0| 55.1 -19.8 35.3 5.9 0.42| 3.8 1.6 Wrote GIF file: /home/apache/climate/data/raob//U7713/skewt/U7713.skewt.20251228.12.gif