UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120812.upa.cvt Date: 1200Z 8 DEC 25 Searching for U8445... Searching the city database file for: U8445 ... Date:1200Z 8 DEC 25 Station: U8445 WMO ident: 28445 Latitude: 56.73 Longitude: 61.07 ------------------------------------------------------------------------------- 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 274 45 3 SFC 998 289 -16.5 -19.3 79 2.8 -17.0 45 3 256.8 256.9 256.3 259.0 0.83 2 938 750 -20.5 -23.5 77 3.0 -20.9 78 18 257.3 257.4 256.3 259.0 0.61 3 925 854 -17.7 -20.4 79 2.7 -18.1 85 21 261.2 261.3 259.8 263.5 0.81 4 911 970 -13.7 -15.7 85 2.0 -14.1 92 21 266.5 266.7 264.6 269.9 1.23 5 850 1500 -13.5 -15.0 88 1.5 -13.9 125 21 272.0 272.2 268.6 275.9 1.40 6 844 1554 -13.5 -15.1 88 1.6 -13.9 124 21 272.6 272.8 269.0 276.5 1.40 7 727 2672 -20.3 -23.3 77 3.0 -20.8 97 15 277.0 277.1 270.8 279.4 0.80 8 700 2950 -22.7 -25.6 77 2.9 -23.1 90 13 277.3 277.5 270.8 279.4 0.68 9 500 5320 -42.1 -44.8 75 2.7 -42.2 80 13 281.7 281.7 272.4 282.2 0.14 10 453 5980 -48.1 -51.1 71 3.0 -48.2 78 11 282.3 282.3 272.6 282.5 0.08 11 438 6203 -47.5 -50.4 72 2.9 -47.6 77 11 285.7 285.8 274.6 286.0 0.09 12 400 6800 -50.3 -53.7 67 3.4 -50.4 75 9 289.6 289.6 276.6 289.8 0.06 13 351 7644 -54.9 -59.0 60 4.1 -54.9 40 10 294.4 294.4 278.9 294.6 0.04 14 314 8352 -57.1 -61.6 57 4.5 -57.2 10 11 300.9 300.9 281.8 301.0 0.03 15 310 8433 -57.1 -61.6 57 4.5 -57.2 9 12 302.0 302.0 282.3 302.1 0.03 16 300 8640 -57.3 -61.9 56 4.6 -57.3 5 13 304.6 304.6 283.2 304.7 0.03 17 274 9212 -56.3 -61.2 54 4.9 -56.4 348 16 314.0 314.0 286.8 314.2 0.04 18 250 9790 -57.7 -62.7 53 5.0 -57.8 330 19 320.3 320.3 288.9 320.4 0.03 19 200 11200 -59.1 -65.1 46 6.0 -59.2 330 27 339.2 339.2 294.1 339.3 0.03 20 150 12990 -61.9 -68.9 39 7.0 -62.0 315 29 363.4 363.4 299.4 363.5 0.02 21 100 15470 -66.7 -74.7 32 8.0 -66.8 295 31 398.9 398.9 305.0 398.9 0.02 22 70 17610 -70.3 -79.3 25 9.0 -70.4 295 33 434.0 434.0 309.3 434.0 0.01 23 50 19600 -73.5 -83.5 20 10.0 -73.6 280 38 470.3 470.3 312.7 470.3 0.01 24 45 20213 -74.7 -84.7 20 10.0 -74.8 279 39 481.8 481.8 313.6 481.8 0.01 25 30 22560 -75.5 -85.5 19 10.0 -75.6 275 42 538.8 538.8 317.5 538.9 0.01 26 29 22756 -75.3 -85.3 19 10.0 -75.4 544.6 544.6 317.8 544.7 0.01 TRP 314 8352 -57.1 -61.6 57 4.5 -57.2 10 11 300.9 300.9 281.8 301.0 0.03 WND Sounding variables and indices 1000-500 mb thick: 5046.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.16 inches Sfc-500 mean rel hum: 78.95 % Est. max temperature: -1.12 C = 29.99 F Sfc-Lift cond lev (LCL): 953.31 mb = 629.90 m = 2066.58 ft T: -19.46 C 700-500 lapse rate: 8.19 C/km ThetaE index: 0.04 C Layer 938.0- 925.0 mb Conv cond level (CCL): 947.73 mb = 673.62 m = 2210.03 ft Mean mixing ratio: 0.84 g/kg Conv temperature: -16.06 C = 3.09 F Cap Strength: 14.49 C Lifted Index: 16.27 C Risk: None Lifted Index @300 mb: 30.22 C Lifted Index @700 mb: 14.49 C Showalter Index: 5.02 C Risk: None Total Totals Index: 55.70 C Risk: Severe Thunderstorms probable Vertical Totals Index: 28.60 C Cross Totals Index: 27.10 C K Index: 10.70 Risk: None Sweat Index: 189.00 Risk: None Energy Index: 1.29 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 47.94 J/kg Max Up Vert Vel: 9.79 m/s Conv Inhibition (B-): 45171.55 J/kg Cap Strength: 16.26 C Lift Cond Lev (LCL): 910.97 mb = 970.04 m = 3182.50 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 124 at 11 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 ---------------------------------------------------------- 0 998 289 45 3 -2.1 -2.1 | 320 11 6.9 -8.1 1 925 854 85 21 -20.9 -1.8 | 57 14 -11.9 -7.8 2 850 1500 125 21 -17.2 12.0 | 126 10 -8.2 6.0 3 700 2950 90 13 -13.0 0.0 | 34 7 -4.0 -6.0 4 500 5320 80 13 -12.8 -2.3 | 25 9 -3.8 -8.3 5 400 6800 75 9 -8.7 -2.3 | 358 8 0.3 -8.3 6 314 8352 10 11 -1.9 -10.8 | 337 18 7.1 -16.8 7 300 8640 5 13 -1.1 -13.0 | 337 21 7.9 -19.0 8 250 9790 330 19 9.5 -16.5 | 321 29 18.5 -22.5 9 200 11200 330 27 13.5 -23.4 | 323 37 22.5 -29.4 10 150 12990 315 29 20.5 -20.5 | 312 40 29.5 -26.5 11 100 15470 295 31 28.1 -13.1 | 297 42 37.1 -19.1 12 70 17610 295 33 29.9 -13.9 | 297 44 38.9 -20.0 13 50 19600 280 38 37.4 -6.6 | 285 48 46.4 -12.6 14 30 22560 275 42 41.8 -3.7 | 281 52 50.8 -9.7 Wind Parameters Mean winds (0-6000m): 93.8 at 14.4 knts Storm direction: 123.8 at 10.8 knts Shear (0-3000m) pos: 3.2 neg: 1.8 tot: 5.0 10-3/s Storm rel Dir Shear (0-3000m): 72.4 deg Storm rel helicity (0-3000m) pos: 101.4 neg: -25.3 tot: 76.1 m^2/s^2 ave: 25.4 10^-3 m/s^2 rel: 0.44 Storm rel vorticity (0-3000m) horiz: 8.2 stream: 3.6 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 16.57 Bulk Shear: 2.89 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 80 11 12 8| 17.1 0.0 17.1| 51.3 0.0 51.3 102.6 0.98| 18.0 17.7 1000 91 16 49 9| 10.3 0.0 10.3| 89.1 0.0 89.1 89.1 0.97| 15.3 14.8 1500 102 17 73 8| 6.4 0.0 6.4|101.4 -5.7 95.7 63.8 0.84| 12.7 10.6 2000 105 18 80 8| 4.8 1.2 6.0|101.4 -14.8 86.6 43.3 0.64| 10.7 6.8 2500 105 17 78 8| 3.9 1.8 5.7|101.4 -22.5 78.8 31.5 0.49| 9.5 4.6 3000 104 16 73 7| 3.2 1.8 5.0|101.4 -25.3 76.1 25.4 0.44| 8.2 3.6 4000 100 16 62 7| 2.4 1.4 3.9|101.4 -26.4 75.0 18.8 0.42| 6.2 2.6 5000 96 15 54 7| 1.9 1.2 3.2|101.4 -27.6 73.8 14.8 0.40| 5.1 2.0 6000 94 14 47 7| 1.6 1.2 2.8|101.4 -33.7 67.7 11.3 0.33| 4.5 1.5 Wrote GIF file: /home/apache/climate/data/raob//U8445/skewt/U8445.skewt.20251208.12.gif