UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101312.upa.cvt Date: 1200Z 13 OCT 25 Searching for U9231... Searching the city database file for: U9231 ... Date:1200Z 13 OCT 25 Station: U9231 WMO ident: 29231 Latitude: 58.30 Longitude: 82.88 ------------------------------------------------------------------------------- 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 1027 74 -3.5 -9.5 63 6.0 -5.3 20 1 267.6 267.9 266.4 272.5 1.81 1 1004 253 -1.7 -8.7 59 7.0 -3.9 24 3 271.1 271.5 269.0 276.6 1.97 2 1000 285 -2.3 -9.3 59 7.0 -4.5 25 3 270.9 271.2 268.7 276.1 1.89 3 925 897 -7.7 -12.7 67 5.0 -9.0 35 7 271.4 271.7 268.5 275.8 1.55 4 902 1092 -9.5 -14.0 70 4.5 -10.6 38 9 271.5 271.8 268.4 275.6 1.43 5 893 1170 -8.9 -13.2 71 4.3 -10.0 39 9 272.9 273.2 269.5 277.3 1.55 6 850 1553 -7.7 -12.4 69 4.7 -9.1 45 13 278.1 278.4 272.9 283.0 1.73 7 780 2214 -12.1 -17.1 66 5.0 -13.3 45 18 280.3 280.5 273.5 284.0 1.28 8 759 2422 -11.7 -17.7 61 6.0 -13.2 45 20 282.9 283.1 274.9 286.6 1.25 9 700 3034 -17.5 -23.5 59 6.0 -18.6 45 25 283.1 283.2 274.3 285.6 0.82 10 675 3305 -19.3 -26.3 54 7.0 -20.4 44 26 284.1 284.2 274.6 286.1 0.66 11 656 3518 -18.1 -25.1 54 7.0 -19.4 43 27 287.7 287.9 276.7 290.1 0.76 12 566 4606 -24.1 -33.1 43 9.0 -25.2 39 30 293.1 293.2 278.8 294.4 0.42 13 555 4749 -24.5 -33.5 43 9.0 -25.6 38 31 294.3 294.3 279.4 295.6 0.41 14 500 5500 -30.3 -39.3 41 9.0 -31.1 35 33 296.1 296.1 280.0 297.0 0.25 15 400 7050 -41.9 -50.9 37 9.0 -42.3 35 36 300.5 300.5 281.7 300.9 0.09 16 352 7900 -50.7 -59.7 34 9.0 -50.9 33 38 299.9 299.9 281.3 300.0 0.03 17 300 8930 -55.7 -64.7 32 9.0 -55.8 30 40 306.8 306.8 284.1 306.9 0.02 18 293 9080 -56.5 -65.5 31 9.0 -56.6 20 42 307.8 307.8 284.5 307.9 0.02 19 250 10090 -54.9 -64.9 28 10.0 -55.1 15 42 324.4 324.5 290.1 324.5 0.02 20 200 11520 -55.3 -67.3 21 12.0 -55.5 10 38 345.2 345.2 295.6 345.3 0.02 21 150 13350 -55.5 -69.5 16 14.0 -55.8 360 33 374.5 374.5 301.4 374.6 0.02 22 100 15920 -56.7 -72.7 12 16.0 -57.1 340 29 418.2 418.2 307.5 418.3 0.02 23 98 16048 -56.7 -72.7 12 16.0 -57.1 340 29 420.6 420.6 307.8 420.7 0.02 24 70 18170 -59.1 -75.1 11 16.0 -59.5 335 27 457.9 458.0 311.6 458.1 0.02 25 52 20035 -61.1 -77.1 10 16.0 -61.6 326 25 493.9 493.9 314.5 494.0 0.02 26 50 20280 -60.9 -77.9 9 17.0 -61.4 325 25 500.0 500.0 314.9 500.1 0.02 27 30 23470 -58.1 -75.1 10 17.0 -59.2 310 23 586.2 586.3 320.0 586.6 0.05 28 20 26040 -55.5 -75.5 7 20.0 -57.5 290 23 666.3 666.3 323.3 666.8 0.07 29 10 30560 -47.5 -69.5 6 22.0 -53.6 275 29 842.2 842.4 328.3 845.7 0.33 30 7.2 32753 -42.9 -66.9 5 24.0 -52.4 944.1 944.4 330.4 951.8 0.66 TRP 293 9080 -56.5 -65.5 31 9.0 -56.6 20 42 307.8 307.8 284.5 307.9 0.02 WND Sounding variables and indices 1000-500 mb thick: 5215.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.25 inches Sfc-500 mean rel hum: 56.77 % Est. max temperature: 3.77 C = 38.78 F Sfc-Lift cond lev (LCL): 934.10 mb = 820.15 m = 2690.74 ft T: -7.02 C 700-500 lapse rate: 5.19 C/km ThetaE index: 1.02 C Layer 700.0- 675.0 mb Conv cond level (CCL): 735.61 mb = 2659.06 m = 8723.84 ft Mean mixing ratio: 1.77 g/kg Conv temperature: 12.01 C = 53.62 F Cap Strength: 16.26 C Lifted Index: 17.08 C Risk: None Lifted Index @300 mb: 22.12 C Lifted Index @700 mb: 8.50 C Showalter Index: 11.22 C Risk: None Total Totals Index: 40.50 C Risk: None Vertical Totals Index: 22.60 C Cross Totals Index: 17.90 C K Index: 4.20 Risk: None Sweat Index: 59.00 Risk: None Energy Index: 2.90 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 8.96 J/kg Max Up Vert Vel: 4.23 m/s Conv Inhibition (B-): 64193.78 J/kg Cap Strength: 16.98 C Lift Cond Lev (LCL): 885.40 mb = 1236.22 m = 4055.80 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 70 at 16 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 1027 74 20 1 -0.3 -0.9 | 253 16 15.0 4.7 1 1000 285 25 3 -1.3 -2.7 | 258 14 14.0 2.9 2 925 897 35 7 -4.0 -5.7 | 270 11 11.3 -0.1 3 850 1553 45 13 -9.2 -9.2 | 300 7 6.1 -3.6 4 700 3034 45 25 -17.7 -17.7 | 11 12 -2.4 -12.0 5 500 5500 35 33 -18.9 -27.0 | 10 22 -3.6 -21.4 6 400 7050 35 36 -20.6 -29.5 | 13 24 -5.4 -23.9 7 300 8930 30 40 -20.0 -34.6 | 9 29 -4.7 -29.0 8 293 9080 20 42 -14.4 -39.5 | 358 34 0.9 -33.8 9 250 10090 15 42 -10.9 -40.6 | 353 35 4.4 -34.9 10 200 11520 10 38 -6.6 -37.4 | 345 33 8.7 -31.8 11 150 13350 360 33 -0.0 -33.0 | 331 31 15.3 -27.4 12 100 15920 340 29 9.9 -27.3 | 311 33 25.2 -21.6 13 70 18170 335 27 11.4 -24.5 | 305 33 26.7 -18.8 14 50 20280 325 25 14.3 -20.5 | 297 33 29.6 -14.8 15 30 23470 310 23 17.6 -14.8 | 286 34 32.9 -9.1 16 20 26040 290 23 21.6 -7.9 | 273 37 36.9 -2.2 17 10 30560 275 29 28.9 -2.5 | 266 44 44.2 3.1 Wind Parameters Mean winds (0-6000m): 39.8 at 21.7 knts Storm direction: 69.8 at 16.3 knts Shear (0-3000m) pos: 2.1 neg: 2.1 tot: 4.2 10-3/s Storm rel Dir Shear (0-3000m): 118.7 deg Storm rel helicity (0-3000m) pos: 48.0 neg: 0.0 tot: 48.0 m^2/s^2 ave: 16.0 10^-3 m/s^2 rel: 0.77 Storm rel vorticity (0-3000m) horiz: 4.2 stream: 3.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.19 Bulk Shear: 46.31 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 27 3 258 14| 4.0 0.0 4.0| 10.7 0.0 10.7 21.4 0.72| 4.0 2.9 1000 33 5 263 13| 3.9 0.0 3.9| 18.5 0.0 18.5 18.5 0.69| 4.0 2.8 1500 38 7 269 11| 4.2 0.0 4.2| 26.6 0.0 26.6 17.7 0.72| 4.3 3.1 2000 41 9 277 10| 3.2 1.0 4.2| 33.9 0.0 33.9 16.9 0.78| 4.3 3.3 2500 42 11 288 8| 2.5 1.7 4.2| 41.2 0.0 41.2 16.5 0.79| 4.2 3.4 3000 43 13 302 7| 2.1 2.1 4.2| 48.0 0.0 48.0 16.0 0.77| 4.2 3.2 4000 43 16 327 8| 1.6 2.0 3.5| 48.3 -0.1 48.2 12.1 0.67| 3.6 2.4 5000 41 19 344 9| 1.3 1.9 3.2| 48.3 -1.9 46.4 9.3 0.58| 3.3 1.9 6000 40 22 353 11| 1.1 1.8 2.9| 51.0 -3.4 47.6 7.9 0.53| 3.0 1.6 Wrote GIF file: /home/apache/climate/data/raob//U9231/skewt/U9231.skewt.20251013.12.gif