UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101400.upa.cvt Date: 0000Z 14 OCT 25 Searching for U4641... Searching the city database file for: U4641 ... Date:0000Z 14 OCT 25 Station: U4641 WMO ident: 24641 Latitude: 63.77 Longitude: 121.62 ------------------------------------------------------------------------------- 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 1013 103 -17.5 -19.5 84 2.0 -17.8 280 1 254.7 254.8 254.5 256.9 0.80 1 1000 200 -14.1 -16.5 82 2.4 -14.6 315 3 259.0 259.2 258.6 261.9 1.05 2 997 223 -13.7 -15.9 83 2.2 -14.2 317 3 259.7 259.8 259.2 262.7 1.11 3 949 605 -14.1 -16.0 85 1.9 -14.5 342 10 263.0 263.1 261.8 266.1 1.15 4 925 804 -9.3 -11.0 87 1.7 -9.8 355 13 269.8 270.1 267.8 274.7 1.78 5 850 1459 -8.5 -15.5 57 7.0 -10.3 10 17 277.2 277.5 271.8 281.1 1.34 6 796 1967 -9.3 -16.3 57 7.0 -11.1 7 13 281.6 281.9 274.3 285.6 1.34 7 740 2530 -9.9 -29.9 18 20.0 -13.5 3 8 286.9 287.0 275.8 288.3 0.43 8 705 2903 -10.7 -28.7 21 18.0 -14.1 0 5 290.0 290.1 277.5 291.7 0.51 9 700 2958 -11.1 -30.1 19 19.0 -14.5 360 5 290.2 290.3 277.4 291.6 0.45 10 516 5224 -27.3 -36.3 42 9.0 -28.3 73 9 297.1 297.1 280.6 298.2 0.33 11 506 5364 -27.3 -35.3 47 8.0 -28.2 77 9 298.7 298.8 281.3 300.0 0.37 12 500 5450 -27.9 -35.9 46 8.0 -28.8 80 9 299.0 299.1 281.4 300.2 0.36 13 423 6633 -34.7 -48.7 23 14.0 -35.5 76 13 305.0 305.0 283.5 305.4 0.11 14 400 7020 -37.7 -52.7 19 15.0 -38.4 75 15 306.0 306.0 283.9 306.3 0.07 15 370 7554 -42.3 -58.3 16 16.0 -42.8 72 13 306.8 306.8 284.1 306.9 0.04 16 300 8940 -53.5 -65.5 22 12.0 -53.7 65 9 309.9 309.9 285.3 310.0 0.02 17 296 9026 -54.3 -66.3 22 12.0 -54.5 65 9 310.0 310.0 285.4 310.1 0.02 18 261 9821 -58.7 -68.7 26 10.0 -58.8 69 9 314.9 314.9 287.1 315.0 0.01 19 250 10090 -59.3 -69.3 26 10.0 -59.4 70 9 317.9 317.9 288.1 318.0 0.01 20 224 10775 -61.9 -71.9 25 10.0 -62.0 75 13 324.1 324.1 290.0 324.1 0.01 21 214 11058 -62.1 -72.1 25 10.0 -62.2 75 14 328.0 328.0 291.2 328.1 0.01 22 201 11449 -59.3 -69.3 26 10.0 -59.4 75 15 338.4 338.4 293.9 338.4 0.02 23 200 11480 -59.1 -69.1 26 10.0 -59.2 75 15 339.2 339.2 294.1 339.2 0.02 24 174 12353 -56.5 -67.5 24 11.0 -56.7 75 14 357.2 357.2 298.2 357.4 0.02 25 150 13290 -56.5 -68.5 21 12.0 -56.8 75 13 372.7 372.7 301.1 372.8 0.03 26 100 15870 -54.7 -70.7 12 16.0 -55.2 80 7 422.0 422.0 308.0 422.2 0.03 27 98 15999 -54.5 -71.5 11 17.0 -55.0 85 7 424.9 424.9 308.3 425.0 0.03 28 70 18150 -54.3 -74.3 7 20.0 -55.1 160 7 468.2 468.2 312.5 468.4 0.02 29 50 20300 -55.1 -78.1 4 23.0 -56.1 100 5 513.6 513.6 315.9 513.7 0.02 30 46 20833 -55.3 -78.3 4 23.0 -56.3 118 6 525.5 525.5 316.6 525.7 0.02 31 30 23600 -49.1 -74.1 4 25.0 -51.8 210 11 610.8 610.8 321.1 611.2 0.06 32 28 24056 -47.5 -73.5 3 26.0 -50.8 209 14 627.4 627.4 321.8 627.9 0.07 33 23 25355 -49.7 -74.7 4 25.0 -52.8 207 21 657.2 657.3 323.0 657.8 0.07 34 20 26280 -46.3 -72.3 4 26.0 -50.8 205 27 694.5 694.5 324.3 695.4 0.11 35 17 27369 -41.9 -68.9 4 27.0 -48.6 206 27 741.6 741.7 325.7 743.5 0.21 36 13 29168 -45.9 -71.9 4 26.0 -52.0 208 27 786.9 787.0 327.0 788.6 0.18 37 11 30289 -41.9 -68.9 4 27.0 -50.4 209 27 839.9 840.1 328.2 843.3 0.32 38 10 30930 -44.5 -70.5 4 26.0 -52.1 210 27 853.4 853.6 328.5 856.5 0.28 39 8.7 31863 -44.5 -70.5 4 26.0 -52.7 888.1 888.3 329.2 891.7 0.33 TRP 224 10775 -61.9 -71.9 25 10.0 -62.0 75 13 324.1 324.1 290.0 324.1 0.01 WND Sounding variables and indices 1000-500 mb thick: 5250.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.19 inches Sfc-500 mean rel hum: 45.50 % Est. max temperature: 3.76 C = 38.77 F Sfc-Lift cond lev (LCL): 980.38 mb = 353.15 m = 1158.60 ft T: -13.84 C 700-500 lapse rate: 6.74 C/km ThetaE index: 0.03 C Layer 700.0- 516.0 mb Conv cond level (CCL): 585.00 mb = 4291.20 m = 14078.58 ft Mean mixing ratio: 1.26 g/kg Conv temperature: 22.30 C = 72.14 F Cap Strength: 26.65 C Lifted Index: 26.75 C Risk: None Lifted Index @300 mb: 30.77 C Lifted Index @700 mb: 22.22 C Showalter Index: 15.15 C Risk: None Total Totals Index: 31.80 C Risk: None Vertical Totals Index: 19.40 C Cross Totals Index: 12.40 C K Index: -15.10 Risk: None Sweat Index: 43.00 Risk: None Energy Index: 4.06 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 51.95 J/kg Max Up Vert Vel: 10.19 m/s Conv Inhibition (B-): 74232.83 J/kg Cap Strength: 26.65 C Lift Cond Lev (LCL): 934.33 mb = 725.87 m = 2381.42 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 56 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 1013 103 280 1 1.0 -0.2 | 241 8 6.7 3.7 1 1000 200 315 3 2.1 -2.1 | 258 8 7.9 1.7 2 925 804 355 13 1.1 -13.0 | 323 11 6.9 -9.1 3 850 1459 10 17 -3.0 -16.7 | 348 13 2.8 -12.9 4 700 2958 360 5 -0.0 -5.0 | 281 6 5.7 -1.2 5 500 5450 80 9 -8.9 -1.6 | 126 4 -3.1 2.3 6 400 7020 75 15 -14.5 -3.9 | 90 9 -8.8 -0.0 7 300 8940 65 9 -8.2 -3.8 | 91 2 -2.4 0.0 8 250 10090 70 9 -8.5 -3.1 | 106 3 -2.7 0.8 9 224 10775 75 13 -12.6 -3.4 | 94 7 -6.8 0.5 10 200 11480 75 15 -14.5 -3.9 | 90 9 -8.8 -0.0 11 150 13290 75 13 -12.6 -3.4 | 94 7 -6.8 0.5 12 100 15870 80 7 -6.9 -1.2 | 156 3 -1.2 2.6 13 70 18150 160 7 -2.4 6.6 | 198 11 3.3 10.4 14 50 20300 100 5 -4.9 0.9 | 190 5 0.8 4.7 15 30 23600 210 11 5.5 9.5 | 220 17 11.2 13.4 16 20 26280 205 27 11.4 24.5 | 211 33 17.1 28.3 17 10 30930 210 27 13.5 23.4 | 215 33 19.2 27.2 Wind Parameters Mean winds (0-6000m): 26.2 at 9.2 knts Storm direction: 56.2 at 6.9 knts Shear (0-3000m) pos: 2.3 neg: 1.4 tot: 3.7 10-3/s Storm rel Dir Shear (0-3000m): 43.1 deg Storm rel helicity (0-3000m) pos: 50.0 neg: -20.1 tot: 29.9 m^2/s^2 ave: 10.0 10^-3 m/s^2 rel: 0.31 Storm rel vorticity (0-3000m) horiz: 5.4 stream: 1.7 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 7.31 Bulk Shear: 7.11 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 ------------------------------------------------------------------------------- 500 333 5 277 8| 9.5 0.0 9.5| 21.5 0.0 21.5 43.0 0.96| 9.9 9.5 1000 352 9 307 9| 7.6 0.0 7.6| 40.5 0.0 40.5 40.5 0.96| 8.4 8.1 1500 359 11 322 10| 5.4 0.0 5.4| 49.7 -1.6 48.0 32.0 0.89| 6.9 6.1 2000 2 12 327 10| 4.1 1.0 5.1| 49.7 -9.1 40.5 20.3 0.63| 6.2 3.9 2500 3 12 326 9| 3.3 1.7 4.9| 49.7 -15.8 33.9 13.6 0.43| 5.8 2.5 3000 3 11 323 9| 2.3 1.4 3.7| 50.0 -20.1 29.9 10.0 0.31| 5.4 1.7 4000 6 10 320 7| 1.9 1.0 3.0| 52.1 -20.1 32.0 8.0 0.33| 4.5 1.5 5000 15 9 325 6| 1.6 0.8 2.4| 53.2 -20.1 33.2 6.6 0.38| 4.1 1.5 6000 26 9 339 5| 1.3 0.6 2.0| 53.8 -22.1 31.7 5.3 0.32| 3.8 1.2 Wrote GIF file: /home/apache/climate/data/raob//U4641/skewt/U4641.skewt.20251014.00.gif