UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120212.upa.cvt Date: 1200Z 2 DEC 25 Searching for U3921... Searching the city database file for: U3921 ... Date:1200Z 2 DEC 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 ------------------------------------------------------------------------------- SFC 1005 93 0.2 -5.8 64 6.0 -1.9 230 3 273.0 273.4 271.0 279.7 2.46 1 1000 133 0.0 -6.0 64 6.0 -2.1 235 3 273.1 273.6 271.1 279.9 2.44 2 964 425 -2.5 -8.5 63 6.0 -4.4 254 11 273.5 273.8 270.7 279.3 2.08 3 930 710 -2.7 -8.7 63 6.0 -4.7 272 20 276.1 276.5 272.3 282.1 2.13 4 925 753 -0.5 -6.5 64 6.0 -2.7 275 21 278.8 279.2 274.5 285.9 2.54 5 905 929 3.4 -2.6 65 6.0 0.8 275 24 284.6 285.2 278.9 294.5 3.48 6 899 983 4.8 -4.2 52 9.0 1.1 275 25 286.5 287.1 279.3 295.5 3.11 7 854 1401 3.8 -14.2 25 18.0 -2.2 275 32 289.7 290.0 278.7 294.2 1.49 8 850 1439 3.4 -13.6 28 17.0 -2.3 275 33 289.7 290.0 278.9 294.5 1.57 9 707 2900 -8.7 -14.7 62 6.0 -10.5 270 24 292.0 292.3 280.1 297.3 1.73 10 700 2977 -9.1 -15.1 62 6.0 -10.9 270 23 292.4 292.7 280.3 297.5 1.69 11 589 4288 -19.3 -25.3 59 6.0 -20.4 267 32 295.3 295.5 280.4 298.0 0.83 12 500 5490 -26.5 -29.7 74 3.2 -27.0 265 40 300.7 300.8 282.5 302.9 0.65 13 499 5504 -26.5 -29.7 74 3.2 -27.0 265 40 300.9 301.0 282.6 303.1 0.65 14 400 7060 -39.1 -42.8 68 3.7 -39.4 265 42 304.2 304.2 283.4 304.9 0.22 15 300 8960 -54.7 -58.5 63 3.8 -54.8 280 58 308.2 308.3 284.7 308.4 0.05 16 250 10100 -64.1 -68.1 58 4.0 -64.1 285 62 310.8 310.8 285.6 310.8 0.02 17 241 10325 -65.4 -69.2 59 3.8 -65.5 285 64 312.0 312.0 286.1 312.1 0.01 18 238 10402 -65.9 -69.6 60 3.7 -65.9 285 64 312.5 312.5 286.2 312.5 0.01 19 220 10883 -65.3 -69.2 58 3.9 -65.3 285 59 320.5 320.5 288.9 320.6 0.02 20 200 11470 -62.5 -66.5 58 4.0 -62.6 285 52 333.8 333.8 292.7 333.9 0.02 21 188 11853 -59.9 -63.9 59 4.0 -60.0 285 49 343.9 343.9 295.3 344.1 0.04 22 150 13250 -62.5 -66.7 57 4.2 -62.6 285 36 362.4 362.4 299.2 362.6 0.03 23 144 13501 -63.5 -67.8 56 4.3 -63.6 286 35 364.9 364.9 299.7 365.1 0.03 24 113 15001 -59.3 -63.8 56 4.5 -59.5 292 30 399.0 399.0 305.1 399.3 0.06 25 100 15760 -62.5 -67.1 54 4.6 -62.6 295 27 407.0 407.0 306.2 407.2 0.05 26 90 16410 -65.1 -69.6 54 4.5 -65.2 296 28 414.2 414.3 307.0 414.4 0.04 27 70 17940 -67.9 -72.8 49 4.9 -68.0 300 31 439.1 439.1 309.8 439.3 0.03 28 53 19612 -68.1 -73.1 49 5.0 -68.2 475.0 475.0 313.1 475.2 0.04 TRP 238 10402 -65.9 -69.6 60 3.7 -65.9 285 64 312.5 312.5 286.2 312.5 0.01 WND 241 10325 -65.4 -69.2 59 3.8 -65.5 285 64 312.0 312.0 286.1 312.1 0.01 Sounding variables and indices 1000-500 mb thick: 5357.00 m Freezing level: 1000.00 mb = 133.00 m = 436.35 ft Freezing level: 922.44 mb = 775.57 m = 2544.48 ft Freezing level: 809.82 mb = 1849.50 m = 6067.86 ft Wetbulb zero: Below ground Precipitable water: 0.35 inches Sfc-500 mean rel hum: 56.37 % Est. max temperature: 16.93 C = 62.47 F Sfc-Lift cond lev (LCL): 914.96 mb = 840.88 m = 2758.75 ft T: 1.45 C 700-500 lapse rate: 6.92 C/km ThetaE index: 1.27 C Layer 854.0- 850.0 mb Conv cond level (CCL): 673.23 mb = 3273.14 m = 10738.51 ft Mean mixing ratio: 2.38 g/kg Conv temperature: 20.38 C = 68.68 F Cap Strength: 12.98 C Lifted Index: 15.55 C Risk: None Lifted Index @300 mb: 18.35 C Lifted Index @700 mb: 11.80 C Showalter Index: 6.41 C Risk: None Total Totals Index: 42.80 C Risk: None Vertical Totals Index: 29.90 C Cross Totals Index: 12.90 C K Index: 10.30 Risk: None Sweat Index: 106.00 Risk: None Energy Index: 1.72 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 39.46 J/kg Max Up Vert Vel: 8.88 m/s Conv Inhibition (B-): 27522.01 J/kg Cap Strength: 15.16 C Lift Cond Lev (LCL): 869.64 mb = 1253.25 m = 4111.66 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 299 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 1005 93 230 3 2.3 1.9 | 127 21 -16.7 12.4 1 1000 133 235 3 2.5 1.7 | 127 21 -16.5 12.2 2 925 753 275 21 20.9 -1.8 | 193 9 2.0 8.7 3 850 1439 275 33 32.9 -2.9 | 241 16 13.9 7.6 4 700 2977 270 23 23.0 -0.0 | 201 11 4.0 10.5 5 500 5490 265 40 39.8 3.5 | 236 25 20.9 14.0 6 400 7060 265 42 41.8 3.7 | 238 27 22.9 14.2 7 300 8960 280 58 57.1 -10.1 | 269 38 38.2 0.4 8 250 10100 285 62 59.9 -16.0 | 278 41 40.9 -5.5 9 241 10325 285 64 61.8 -16.6 | 278 43 42.9 -6.1 10 238 10402 285 64 61.8 -16.6 | 278 43 42.9 -6.1 11 200 11470 285 52 50.2 -13.5 | 275 31 31.3 -2.9 12 150 13250 285 36 34.8 -9.3 | 266 16 15.8 1.2 13 100 15760 295 27 24.5 -11.4 | 279 6 5.5 -0.9 14 70 17940 300 31 26.8 -15.5 | 302 9 7.9 -5.0 Wind Parameters Mean winds (0-6000m): 269.0 at 28.9 knts Storm direction: 299.0 at 21.7 knts Shear (0-3000m) pos: 4.3 neg: 0.7 tot: 4.9 10-3/s Storm rel Dir Shear (0-3000m): 77.7 deg Storm rel helicity (0-3000m) pos: 93.2 neg: -29.9 tot: 63.3 m^2/s^2 ave: 21.1 10^-3 m/s^2 rel: 0.41 Storm rel vorticity (0-3000m) horiz: 7.3 stream: 3.0 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.75 Bulk Shear: 52.67 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 ------------------------------------------------------------------------------- 500 259 9 141 16| 14.4 0.0 14.4| 51.7 0.0 51.7 103.3 0.81| 14.9 12.0 1000 272 16 161 10| 12.8 0.0 12.8| 78.5 0.0 78.5 78.5 0.83| 13.4 11.2 1500 274 21 190 9| 8.5 1.7 10.3| 91.4 -2.1 89.3 59.5 0.77| 11.1 8.5 2000 274 23 204 10| 6.4 0.5 6.9| 91.4 -12.6 78.8 39.4 0.62| 9.2 5.7 2500 273 24 208 10| 5.1 0.5 5.6| 91.4 -22.6 68.8 27.5 0.49| 8.1 3.9 3000 273 24 208 10| 4.3 0.7 4.9| 93.2 -29.9 63.3 21.1 0.41| 7.3 3.0 4000 272 25 211 11| 3.2 0.7 3.9|110.6 -29.9 80.7 20.2 0.45| 6.3 2.8 5000 270 27 217 13| 2.6 1.2 3.8|126.4 -29.9 96.5 19.3 0.45| 5.8 2.6 6000 269 29 222 15| 2.1 1.3 3.4|134.5 -29.9 104.6 17.4 0.45| 5.1 2.3 Wrote GIF file: /home/apache/climate/data/raob//U3921/skewt/U3921.skewt.20251202.12.gif