UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042000.upa.cvt Date: 0000Z 20 APR 25 Searching for U2845... Searching the city database file for: U2845 ... Date:0000Z 20 APR 25 Station: U2845 WMO ident: 22845 Latitude: 61.50 Longitude: 38.93 ------------------------------------------------------------------------------- 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 90 20 3 SFC 996 123 3.8 2.9 94 0.9 3.4 20 3 277.3 278.1 276.7 290.2 4.73 2 990 171 2.4 0.8 89 1.6 1.7 23 4 276.3 277.0 275.3 287.5 4.09 3 935 632 1.4 0.2 92 1.2 0.9 50 12 279.9 280.6 277.3 291.4 4.15 4 925 719 3.0 1.5 90 1.5 2.3 55 13 282.4 283.2 279.2 295.2 4.61 5 910 852 3.8 2.3 90 1.5 3.1 45 11 284.5 285.4 280.7 298.5 4.96 6 850 1404 1.8 0.9 94 0.9 1.4 5 5 288.0 288.9 282.1 301.7 4.80 7 820 1694 0.4 -0.7 92 1.1 -0.1 350 11 289.5 290.3 282.3 302.3 4.43 8 772 2179 1.4 0.8 96 0.6 1.1 325 22 295.6 296.6 285.7 311.1 5.25 9 700 2963 -2.5 -3.9 90 1.4 -3.1 285 40 299.7 300.5 286.1 312.0 4.09 10 545 4908 -14.3 -17.8 75 3.5 -15.3 278 50 307.9 308.2 286.6 313.5 1.73 11 510 5411 -15.9 -19.0 77 3.1 -16.8 276 53 311.9 312.2 287.9 317.4 1.67 12 500 5560 -17.1 -20.8 73 3.7 -18.1 275 54 312.2 312.5 287.8 317.0 1.46 13 400 7190 -29.7 -32.6 76 2.9 -30.1 275 64 316.4 316.5 288.3 318.6 0.62 14 335 8433 -38.9 -42.0 72 3.1 -39.2 278 66 320.3 320.3 289.2 321.3 0.28 15 300 9180 -45.7 -48.9 70 3.2 -45.9 280 68 320.9 321.0 289.2 321.5 0.15 16 264 10012 -52.7 -55.8 69 3.1 -52.8 276 68 322.6 322.7 289.6 322.9 0.08 17 250 10360 -54.9 -58.1 68 3.2 -55.0 275 68 324.4 324.5 290.2 324.7 0.06 18 228 10943 -58.5 -61.8 66 3.3 -58.6 282 70 327.6 327.6 291.1 327.8 0.04 19 220 11167 -58.7 -62.0 66 3.3 -58.7 285 71 330.7 330.7 291.9 330.9 0.04 20 219 11196 -58.7 -62.0 66 3.3 -58.7 285 71 331.1 331.1 292.0 331.3 0.04 21 200 11760 -62.7 -66.0 64 3.3 -62.7 280 68 333.5 333.5 292.7 333.6 0.03 22 188 12140 -65.3 -68.7 63 3.4 -65.3 280 66 335.2 335.2 293.2 335.3 0.02 23 181 12372 -65.3 -68.8 62 3.5 -65.3 282 62 338.9 338.9 294.1 339.0 0.02 24 166 12912 -55.5 -59.1 64 3.6 -55.6 286 53 363.8 363.8 299.5 364.1 0.08 25 150 13560 -55.5 -59.2 63 3.7 -55.6 290 42 374.5 374.5 301.4 374.9 0.09 26 129 14526 -52.9 -57.5 57 4.6 -53.1 292 38 395.6 395.7 304.7 396.2 0.13 27 100 16160 -54.9 -60.9 47 6.0 -55.2 295 31 421.7 421.7 308.0 422.2 0.11 28 92 16694 -55.7 -62.7 41 7.0 -56.0 299 30 430.2 430.3 308.9 430.7 0.09 29 70 18440 -55.9 -64.9 32 9.0 -56.3 310 25 464.8 464.8 312.3 465.3 0.09 30 50 20590 -53.3 -64.3 25 11.0 -54.2 320 23 517.9 517.9 316.2 518.7 0.13 31 49 20720 -53.1 -65.1 22 12.0 -54.1 321 23 521.3 521.4 316.4 522.1 0.12 32 30 23860 -55.7 -69.7 16 14.0 -56.9 340 21 592.8 592.8 320.3 593.6 0.11 33 20 26450 -56.3 -71.3 14 15.0 -58.0 360 25 663.8 663.9 323.2 664.9 0.13 34 11 30277 -52.9 -69.9 11 17.0 -56.6 800.0 800.1 327.3 802.8 0.28 TRP 188 12140 -65.3 -68.7 63 3.4 -65.3 280 66 335.2 335.2 293.2 335.3 0.02 WND 220 11167 -58.7 -62.0 66 3.3 -58.7 285 71 330.7 330.7 291.9 330.9 0.04 Sounding variables and indices 1000-500 mb thick: 5470.00 m Freezing level: 746.15 mb = 2460.53 m = 8072.49 ft Wetbulb zero: 822.00 mb = 1673.95 m = 5491.89 ft Precipitable water: 0.82 inches Sfc-500 mean rel hum: 86.61 % Est. max temperature: 14.75 C = 58.55 F Sfc-Lift cond lev (LCL): 982.28 mb = 234.57 m = 769.57 ft T: 2.26 C 700-500 lapse rate: 5.62 C/km ThetaE index: 2.65 C Layer 990.0- 935.0 mb Conv cond level (CCL): 689.71 mb = 3078.13 m = 10098.71 ft Mean mixing ratio: 4.39 g/kg Conv temperature: 26.72 C = 80.09 F Cap Strength: 17.36 C Lifted Index: 17.39 C Risk: None Lifted Index @300 mb: 20.37 C Lifted Index @700 mb: 11.60 C Showalter Index: 10.65 C Risk: None Total Totals Index: 36.90 C Risk: None Vertical Totals Index: 18.90 C Cross Totals Index: 18.00 C K Index: 18.40 Risk: < 20 % chance of thunderstorms Sweat Index: 74.80 Risk: None Energy Index: 3.15 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 39.42 J/kg Max Up Vert Vel: 8.88 m/s Conv Inhibition (B-): 63250.46 J/kg Cap Strength: 17.40 C Lift Cond Lev (LCL): 924.45 mb = 723.80 m = 2374.64 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 313 at 25 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 ---------------------------------------------------------- 0 996 123 20 3 -1.0 -2.8 | 127 24 -19.3 14.4 1 925 719 55 13 -10.6 -7.5 | 109 31 -29.0 9.8 2 850 1404 5 5 -0.4 -5.0 | 123 22 -18.8 12.3 3 700 2963 285 40 38.6 -10.4 | 251 21 20.3 6.9 4 500 5560 275 54 53.8 -4.7 | 251 38 35.5 12.5 5 400 7190 275 64 63.8 -5.6 | 256 47 45.4 11.7 6 300 9180 280 68 67.0 -11.8 | 264 49 48.7 5.4 7 250 10360 275 68 67.7 -5.9 | 257 51 49.4 11.3 8 220 11167 285 71 68.6 -18.4 | 271 50 50.3 -1.1 9 200 11760 280 68 67.0 -11.8 | 264 49 48.7 5.4 10 188 12140 280 66 65.0 -11.5 | 263 47 46.7 5.8 11 150 13560 290 42 39.5 -14.4 | 262 21 21.2 2.9 12 100 16160 295 31 28.1 -13.1 | 247 11 9.8 4.2 13 70 18440 310 25 19.2 -16.1 | 215 1 0.8 1.2 14 50 20590 320 23 14.8 -17.6 | 84 4 -3.5 -0.4 15 30 23860 340 21 7.2 -19.7 | 77 11 -11.1 -2.5 16 20 26450 360 25 -0.0 -25.0 | 67 20 -18.3 -7.7 Wind Parameters Mean winds (0-6000m): 283.3 at 33.6 knts Storm direction: 313.3 at 25.2 knts Shear (0-3000m) pos: 1.5 neg: 8.3 tot: 9.8 10-3/s Storm rel Dir Shear (0-3000m): 124.8 deg Storm rel helicity (0-3000m) pos: 37.2 neg: -124.3 tot: -87.1 m^2/s^2 ave: -29.0 10^-3 m/s^2 rel: -0.38 Storm rel vorticity (0-3000m) horiz: 12.3 stream: -4.7 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.21 Bulk Shear: 191.31 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 47 7 118 27| 9.1 0.0 9.1| 0.0 -49.4 -49.4 -98.7 -0.80| 9.5 -7.6 1000 46 9 114 27| 4.6 2.6 7.2| 16.7 -54.9 -38.2 -38.2 -0.31| 9.4 -2.9 1500 39 8 114 26| 3.0 3.4 6.5| 36.8 -72.6 -35.7 -23.8 -0.21| 9.2 -1.9 2000 13 10 110 22| 2.3 5.8 8.1| 36.8 -95.3 -58.5 -29.2 -0.30| 10.3 -3.1 2500 337 13 111 14| 1.8 7.7 9.5| 36.8-104.5 -67.7 -27.1 -0.39| 11.8 -4.6 3000 306 17 148 8| 1.5 8.3 9.8| 37.2-124.3 -87.1 -29.0 -0.38| 12.3 -4.7 4000 293 24 204 9| 1.1 7.0 8.1| 38.7-124.4 -85.7 -21.4 -0.35| 10.0 -3.5 5000 287 29 227 13| 0.9 6.2 7.1| 38.7-128.7 -90.0 -18.0 -0.33| 8.6 -2.8 6000 283 34 236 17| 0.8 5.7 6.4| 52.5-132.2 -79.7 -13.3 -0.29| 7.7 -2.3 Wrote GIF file: /home/apache/climate/data/raob//U2845/skewt/U2845.skewt.20250420.00.gif