UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042700.upa.cvt Date: 0000Z 27 APR 25 Searching for U3921... Searching the city database file for: U3921 ... Date:0000Z 27 APR 25 Station: U3921 WMO ident: 23921 Latitude: 60.68 Longitude: 60.43 ------------------------------------------------------------------------------- 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 63 145 9 SFC 996 96 3.0 -1.5 72 4.5 1.1 145 9 276.5 277.0 274.5 285.9 3.43 2 925 694 -1.3 -4.3 80 3.0 -2.4 155 23 278.0 278.5 274.8 286.3 3.00 3 898 929 -3.1 -5.3 85 2.2 -3.9 159 22 278.5 279.0 274.8 286.5 2.86 4 869 1188 -1.9 -4.2 84 2.3 -2.8 162 22 282.4 282.9 277.4 291.5 3.22 5 852 1345 0.0 -4.5 72 4.5 -1.8 165 21 286.0 286.5 279.1 295.2 3.21 6 850 1364 0.0 -4.4 72 4.4 -1.8 165 21 286.1 286.7 279.3 295.5 3.24 7 761 2246 -2.5 -3.6 92 1.1 -3.0 202 26 292.6 293.3 283.0 303.9 3.85 8 734 2533 -2.9 -5.6 82 2.7 -4.0 214 27 295.2 295.9 283.6 305.5 3.43 9 700 2908 -4.5 -8.9 71 4.4 -6.2 230 29 297.5 298.0 283.8 306.0 2.78 10 663 3333 -6.7 -11.7 68 5.0 -8.4 232 31 299.7 300.1 284.2 306.9 2.35 11 570 4497 -12.9 -18.9 61 6.0 -14.6 236 38 305.6 305.9 285.5 310.5 1.51 12 500 5480 -20.7 -24.8 70 4.1 -21.5 240 44 307.8 308.0 285.8 311.2 1.02 13 469 5950 -24.5 -27.9 73 3.4 -25.1 241 47 308.8 308.9 285.9 311.5 0.82 14 422 6711 -29.7 -34.7 62 5.0 -30.3 244 52 311.6 311.7 286.5 313.2 0.48 15 400 7090 -33.1 -39.1 55 6.0 -33.7 245 54 312.0 312.0 286.4 313.1 0.32 16 300 9040 -49.5 -56.5 44 7.0 -49.7 250 56 315.6 315.6 287.3 315.8 0.06 17 283 9420 -52.6 -59.6 42 7.0 -52.8 250 60 316.4 316.4 287.6 316.6 0.04 18 268 9769 -55.5 -62.5 41 7.0 -55.6 250 59 317.2 317.2 287.9 317.3 0.03 19 250 10210 -58.3 -65.3 40 7.0 -58.4 250 58 319.4 319.4 288.6 319.5 0.02 20 225 10866 -61.5 -68.5 39 7.0 -61.6 250 52 324.3 324.3 290.0 324.3 0.02 21 205 11452 -54.3 -62.3 37 8.0 -54.5 242 49 344.3 344.3 295.4 344.5 0.04 22 200 11610 -53.3 -60.3 42 7.0 -53.5 240 48 348.4 348.4 296.3 348.6 0.06 23 177 12402 -49.7 -57.7 39 8.0 -50.0 242 42 366.7 366.7 300.0 367.1 0.09 24 150 13480 -51.1 -61.1 29 10.0 -51.5 245 35 382.0 382.0 302.6 382.3 0.07 25 132 14308 -52.9 -64.9 22 12.0 -53.3 243 33 393.0 393.0 304.3 393.3 0.05 26 119 14981 -50.5 -63.5 20 13.0 -51.1 242 32 409.3 409.3 306.5 409.6 0.06 27 100 16110 -52.7 -67.7 15 15.0 -53.3 240 29 425.9 425.9 308.4 426.1 0.04 28 91 16718 -54.5 -70.5 12 16.0 -55.1 244 26 434.0 434.0 309.3 434.1 0.03 29 79 17630 -52.3 -69.3 11 17.0 -53.1 250 22 456.4 456.4 311.5 456.7 0.04 30 70 18410 -54.5 -73.5 8 19.0 -55.2 255 19 467.8 467.8 312.5 467.9 0.03 31 50 20570 -54.1 -76.1 5 22.0 -55.2 210 5 516.0 516.0 316.1 516.1 0.02 32 30 23840 -55.5 -79.5 3 24.0 -57.0 240 15 593.3 593.3 320.3 593.5 0.02 33 26 24752 -55.7 -79.7 3 24.0 -57.3 617.6 617.6 321.4 617.8 0.03 34 20 26438 -51.9 -75.9 4 24.0 -54.8 677.3 677.3 323.7 677.8 0.06 TRP 225 10866 -61.5 -68.5 39 7.0 -61.6 250 52 324.3 324.3 290.0 324.3 0.02 WND 283 9420 -52.6 -59.6 42 7.0 -52.8 250 60 316.4 316.4 287.6 316.6 0.04 Sounding variables and indices 1000-500 mb thick: 5417.00 m Freezing level: 946.47 mb = 513.12 m = 1683.43 ft Freezing level: 852.00 mb = 1345.24 m = 4413.47 ft Freezing level: 850.00 mb = 1364.00 m = 4475.01 ft Wetbulb zero: 973.49 mb = 280.61 m = 920.62 ft Precipitable water: 0.58 inches Sfc-500 mean rel hum: 73.14 % Est. max temperature: 12.94 C = 55.30 F Sfc-Lift cond lev (LCL): 928.90 mb = 659.94 m = 2165.14 ft T: -1.06 C 700-500 lapse rate: 6.30 C/km Conv cond level (CCL): 630.49 mb = 3720.34 m = 12205.70 ft Mean mixing ratio: 3.13 g/kg Conv temperature: 28.18 C = 82.72 F Cap Strength: 17.90 C Lifted Index: 18.36 C Risk: None Lifted Index @300 mb: 20.85 C Lifted Index @700 mb: 13.67 C Showalter Index: 11.48 C Risk: None Total Totals Index: 37.00 C Risk: None Vertical Totals Index: 20.70 C Cross Totals Index: 16.30 C K Index: 11.90 Risk: None Sweat Index: 231.74 Risk: None Energy Index: 3.30 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 6.78 J/kg Max Up Vert Vel: 3.68 m/s Conv Inhibition (B-): 51788.29 J/kg Cap Strength: 18.33 C Lift Cond Lev (LCL): 896.16 mb = 944.72 m = 3099.42 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 252 at 23 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 ---------------------------------------------------------- 0 996 96 145 9 -5.2 7.4 | 91 27 -27.3 0.3 1 925 694 155 23 -9.7 20.8 | 113 35 -31.9 13.8 2 850 1364 165 21 -5.4 20.3 | 116 31 -27.6 13.2 3 700 2908 230 29 22.2 18.6 | 180 12 0.1 11.6 4 500 5480 240 44 38.1 22.0 | 227 22 16.0 14.9 5 400 7090 245 54 48.9 22.8 | 240 31 26.8 15.7 6 300 9040 250 56 52.6 19.2 | 248 33 30.5 12.1 7 283 9420 250 60 56.4 20.5 | 249 37 34.2 13.4 8 250 10210 250 58 54.5 19.8 | 248 35 32.4 12.7 9 225 10866 250 52 48.9 17.8 | 248 29 26.7 10.7 10 200 11610 240 48 41.6 24.0 | 229 26 19.4 16.9 11 150 13480 245 35 31.7 14.8 | 231 12 9.6 7.7 12 100 16110 240 29 25.1 14.5 | 202 8 3.0 7.4 13 70 18410 255 19 18.4 4.9 | 60 4 -3.8 -2.2 14 50 20570 210 5 2.5 4.3 | 82 20 -19.6 -2.8 15 30 23840 240 15 13.0 7.5 | 93 9 -9.2 0.4 Wind Parameters Mean winds (0-6000m): 222.3 at 31.0 knts Storm direction: 252.3 at 23.3 knts Shear (0-3000m) pos: 5.3 neg: 0.0 tot: 5.3 10-3/s Storm rel Dir Shear (0-3000m): 94.9 deg Storm rel helicity (0-3000m) pos: 241.9 neg: 0.0 tot: 241.9 m^2/s^2 ave: 80.6 10^-3 m/s^2 rel: 0.75 Storm rel vorticity (0-3000m) horiz: 8.4 stream: 6.3 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.06 Bulk Shear: 115.97 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 ------------------------------------------------------------------------------- 500 152 15 101 30| 12.2 0.0 12.2| 81.8 0.0 81.8 163.6 0.86| 12.3 10.5 1000 155 19 108 32| 6.9 0.0 6.9|107.6 0.0 107.6 107.6 0.77| 8.7 6.7 1500 159 20 111 31| 5.2 0.0 5.2|136.4 0.0 136.4 90.9 0.75| 7.7 5.7 2000 166 21 116 30| 5.2 0.0 5.2|183.8 0.0 183.8 91.9 0.75| 8.1 6.1 2500 177 22 122 28| 5.4 0.0 5.4|220.4 0.0 220.4 88.2 0.75| 8.5 6.4 3000 188 23 129 25| 5.3 0.0 5.3|241.9 0.0 241.9 80.6 0.75| 8.4 6.3 4000 204 25 143 20| 4.8 0.0 4.8|260.6 0.0 260.6 65.1 0.76| 7.1 5.4 5000 215 28 159 17| 4.4 0.0 4.4|281.8 0.0 281.8 56.4 0.76| 6.4 4.8 6000 222 31 175 16| 4.3 0.0 4.3|304.9 0.0 304.9 50.8 0.74| 5.9 4.3 Wrote GIF file: /home/apache/climate/data/raob//U3921/skewt/U3921.skewt.20250427.00.gif