UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120300.upa.cvt Date: 0000Z 3 DEC 25 Searching for U3921... Searching the city database file for: U3921 ... Date:0000Z 3 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 1004 91 0.8 -3.8 71 4.6 -0.9 265 3 273.6 274.1 272.0 281.5 2.87 1 1000 123 0.6 -4.4 69 5.0 -1.2 265 5 273.8 274.2 271.9 281.3 2.75 2 925 745 -2.3 -7.3 69 5.0 -4.0 295 25 277.0 277.4 273.2 283.6 2.38 3 908 892 -2.9 -7.9 68 5.0 -4.6 299 25 277.8 278.2 273.6 284.3 2.32 4 850 1410 -7.9 -11.3 77 3.4 -8.9 315 23 277.9 278.2 273.1 283.3 1.89 5 834 1557 -9.1 -11.8 81 2.7 -9.9 313 24 278.1 278.4 273.1 283.4 1.85 6 829 1604 -8.7 -11.3 81 2.6 -9.5 312 24 279.0 279.4 273.8 284.6 1.94 7 820 1689 -5.7 -9.2 76 3.5 -6.9 311 24 283.1 283.5 276.5 289.8 2.32 8 761 2271 -8.5 -18.5 44 10.0 -11.1 304 26 286.2 286.4 276.5 289.7 1.17 9 700 2914 -12.7 -24.7 36 12.0 -15.1 295 29 288.4 288.6 277.0 290.7 0.74 10 565 4521 -20.9 -43.9 11 23.0 -23.2 282 39 297.0 297.0 280.2 297.5 0.14 11 559 4600 -21.5 -44.5 11 23.0 -23.8 282 39 297.2 297.2 280.3 297.6 0.13 12 500 5410 -28.3 -38.3 38 10.0 -29.3 275 44 298.5 298.6 281.1 299.5 0.28 13 481 5685 -30.9 -38.9 45 8.0 -31.6 275 46 298.7 298.7 281.1 299.6 0.27 14 461 5985 -31.9 -39.9 45 8.0 -32.6 275 48 301.1 301.1 282.1 301.9 0.26 15 400 6970 -39.3 -45.3 53 6.0 -39.6 275 54 303.9 303.9 283.2 304.5 0.17 16 360 7682 -45.3 -50.2 58 4.9 -45.5 277 55 305.2 305.2 283.6 305.6 0.11 17 300 8870 -56.3 -61.2 54 4.9 -56.4 280 58 306.0 306.0 283.8 306.1 0.03 18 255 9879 -65.5 -70.0 53 4.5 -65.5 280 60 306.9 306.9 284.2 307.0 0.01 19 250 10000 -64.3 -69.1 52 4.8 -64.3 280 60 310.5 310.5 285.5 310.5 0.01 20 240 10252 -63.0 -67.8 52 4.8 -63.1 285 60 316.0 316.0 287.5 316.1 0.02 21 224 10681 -60.9 -65.7 53 4.8 -61.0 287 55 325.6 325.6 290.5 325.7 0.02 22 204 11273 -55.1 -60.0 54 4.9 -55.2 289 49 343.6 343.6 295.2 343.8 0.06 23 200 11400 -54.9 -59.8 54 4.9 -55.0 290 48 345.8 345.8 295.7 346.1 0.06 24 196 11528 -54.7 -59.7 54 5.0 -54.8 291 47 348.2 348.2 296.3 348.4 0.06 25 166 12582 -55.5 -61.5 47 6.0 -55.6 296 37 363.8 363.8 299.5 364.0 0.06 26 150 13220 -58.7 -64.7 46 6.0 -58.8 300 31 368.9 369.0 300.4 369.1 0.04 27 139 13698 -61.5 -68.5 39 7.0 -61.6 300 33 372.1 372.2 300.9 372.3 0.03 28 109 15206 -62.9 -70.9 33 8.0 -63.0 300 41 396.3 396.3 304.7 396.4 0.02 29 100 15740 -61.7 -69.7 34 8.0 -61.9 300 44 408.5 408.5 306.3 408.7 0.03 30 93 16191 -60.1 -69.1 30 9.0 -60.3 300 41 420.2 420.2 307.7 420.4 0.04 31 70 17940 -65.9 -74.9 27 9.0 -66.1 300 27 443.4 443.4 310.2 443.5 0.02 32 62 18669 -69.1 -78.1 26 9.0 -69.2 300 32 452.0 452.0 311.0 452.1 0.01 33 50 19950 -69.9 -79.9 22 10.0 -70.0 300 40 478.8 478.8 313.4 478.8 0.01 34 42 20983 -71.7 -81.7 21 10.0 -71.8 498.8 498.8 314.9 498.9 0.01 TRP 255 9879 -65.5 -70.0 53 4.5 -65.5 280 60 306.9 306.9 284.2 307.0 0.01 WND 240 10252 -63.0 -67.8 52 4.8 -63.1 285 60 316.0 316.0 287.5 316.1 0.02 Sounding variables and indices 1000-500 mb thick: 5287.00 m Freezing level: 984.48 mb = 251.69 m = 825.74 ft Wetbulb zero: Below ground Precipitable water: 0.28 inches Sfc-500 mean rel hum: 43.34 % Est. max temperature: 5.04 C = 41.07 F Sfc-Lift cond lev (LCL): 934.51 mb = 663.38 m = 2176.41 ft T: -1.92 C 700-500 lapse rate: 6.25 C/km ThetaE index: 1.09 C Layer 850.0- 834.0 mb Conv cond level (CCL): 853.29 mb = 1379.73 m = 4526.62 ft Mean mixing ratio: 2.53 g/kg Conv temperature: 5.04 C = 41.07 F Cap Strength: 13.17 C Lifted Index: 13.46 C Risk: None Lifted Index @300 mb: 16.45 C Lifted Index @700 mb: 7.91 C Showalter Index: 13.05 C Risk: None Total Totals Index: 37.40 C Risk: None Vertical Totals Index: 20.40 C Cross Totals Index: 17.00 C K Index: -2.90 Risk: None Sweat Index: 90.00 Risk: None Energy Index: 3.47 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 11.60 J/kg Max Up Vert Vel: 4.82 m/s Conv Inhibition (B-): 30628.51 J/kg Cap Strength: 13.44 C Lift Cond Lev (LCL): 881.05 mb = 1128.45 m = 3702.21 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 318 at 24 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 1004 91 265 3 3.0 0.3 | 144 22 -12.8 17.7 1 1000 123 265 5 5.0 0.4 | 149 21 -10.8 17.9 2 925 745 295 25 22.7 -10.6 | 225 10 6.9 6.9 3 850 1410 315 23 16.3 -16.3 | 201 1 0.5 1.2 4 700 2914 295 29 26.3 -12.3 | 244 12 10.5 5.2 5 500 5410 275 44 43.8 -3.8 | 244 31 28.0 13.6 6 400 6970 275 54 53.8 -4.7 | 251 40 38.0 12.8 7 300 8870 280 58 57.1 -10.1 | 260 42 41.3 7.4 8 255 9879 280 60 59.1 -10.4 | 261 44 43.3 7.0 9 250 10000 280 60 59.1 -10.4 | 261 44 43.3 7.0 10 240 10252 285 60 58.0 -15.5 | 267 42 42.2 1.9 11 200 11400 290 48 45.1 -16.4 | 268 29 29.3 1.1 12 150 13220 300 31 26.8 -15.5 | 260 11 11.0 2.0 13 100 15740 300 44 38.1 -22.0 | 281 23 22.3 -4.5 14 70 17940 300 27 23.4 -13.5 | 242 9 7.6 4.0 15 50 19950 300 40 34.6 -20.0 | 278 19 18.8 -2.5 Wind Parameters Mean winds (0-6000m): 287.9 at 31.4 knts Storm direction: 317.9 at 23.6 knts Shear (0-3000m) pos: 3.7 neg: 1.9 tot: 5.6 10-3/s Storm rel Dir Shear (0-3000m): 101.0 deg Storm rel helicity (0-3000m) pos: 83.2 neg: -1.4 tot: 81.7 m^2/s^2 ave: 27.2 10^-3 m/s^2 rel: 0.48 Storm rel vorticity (0-3000m) horiz: 7.5 stream: 3.6 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.23 Bulk Shear: 50.35 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 ------------------------------------------------------------------------------- 500 283 12 164 15| 17.8 0.0 17.8| 65.9 0.0 65.9 131.7 0.83| 18.4 15.3 1000 295 18 183 10| 11.2 0.0 11.2| 80.9 -0.0 80.9 80.9 0.73| 14.4 10.5 1500 301 20 189 7| 7.5 0.0 7.5| 81.3 -0.6 80.6 53.8 0.62| 11.2 6.9 2000 303 21 196 6| 5.6 0.9 6.5| 82.0 -0.6 81.4 40.7 0.58| 9.3 5.4 2500 303 22 207 6| 4.5 1.5 6.0| 82.1 -0.8 81.4 32.5 0.53| 8.2 4.3 3000 301 23 217 7| 3.7 1.9 5.6| 83.2 -1.4 81.7 27.2 0.48| 7.5 3.6 4000 298 26 231 9| 2.8 2.4 5.2| 85.8 -1.5 84.2 21.1 0.42| 6.6 2.8 5000 292 29 238 12| 2.2 2.7 5.0| 85.8 -8.6 77.2 15.4 0.35| 6.1 2.1 6000 288 31 241 16| 1.9 2.8 4.7|103.9 -13.3 90.7 15.1 0.33| 5.7 1.9 Wrote GIF file: /home/apache/climate/data/raob//U3921/skewt/U3921.skewt.20251203.00.gif