UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042700.upa.cvt Date: 0000Z 27 APR 25 Searching for U3955... Searching the city database file for: U3955 ... Date:0000Z 27 APR 25 Station: U3955 WMO ident: 23955 Latitude: 60.43 Longitude: 77.87 ------------------------------------------------------------------------------- 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 51 -0.3 -0.3 100 0.0 -0.3 30 3 272.5 273.2 272.6 282.6 3.72 1 1000 83 -0.5 -0.5 100 0.0 -0.5 30 3 272.6 273.3 272.6 282.6 3.68 2 954 459 -2.1 -2.1 100 0.0 -2.1 15 8 274.7 275.3 273.5 284.1 3.43 3 925 704 -2.1 -2.1 100 0.0 -2.1 5 11 277.2 277.8 275.0 286.9 3.54 4 891 1002 -2.1 -2.1 100 0.0 -2.1 1 15 280.1 280.8 276.9 290.4 3.67 5 850 1376 -1.9 -1.9 100 0.0 -1.9 355 19 284.2 284.8 279.2 295.2 3.91 6 833 1537 -1.7 -1.7 100 0.0 -1.7 352 20 286.0 286.7 280.3 297.5 4.05 7 719 2704 -4.3 -4.3 100 0.0 -4.3 333 24 295.5 296.1 284.1 306.9 3.87 8 700 2915 -5.3 -5.5 98 0.2 -5.4 330 25 296.6 297.3 284.4 307.4 3.62 9 609 3995 -10.3 -11.0 95 0.7 -10.5 303 30 302.9 303.4 285.8 311.3 2.71 10 523 5147 -18.7 -20.2 88 1.5 -19.1 274 35 306.3 306.5 285.7 311.0 1.47 11 500 5480 -21.3 -23.2 85 1.9 -21.7 265 36 307.1 307.3 285.7 310.9 1.18 12 401 7062 -32.5 -35.9 72 3.4 -32.9 255 38 312.5 312.6 286.8 314.1 0.45 13 400 7080 -32.7 -36.1 72 3.4 -33.1 255 38 312.5 312.6 286.8 314.0 0.44 14 326 8489 -45.7 -50.1 61 4.4 -45.9 259 41 313.4 313.4 286.7 313.9 0.12 15 300 9040 -49.7 -55.7 49 6.0 -49.9 260 42 315.3 315.3 287.3 315.6 0.07 16 264 9856 -56.1 -63.1 41 7.0 -56.2 260 44 317.7 317.7 288.0 317.8 0.03 17 250 10200 -54.7 -62.7 37 8.0 -54.8 265 44 324.7 324.8 290.2 324.9 0.03 18 200 11630 -52.9 -64.9 22 12.0 -53.2 270 42 349.0 349.0 296.4 349.1 0.03 19 178 12384 -51.3 -65.3 17 14.0 -51.7 272 40 363.4 363.5 299.4 363.6 0.03 20 166 12838 -49.9 -63.9 18 14.0 -50.4 273 38 373.1 373.1 301.1 373.3 0.04 21 150 13500 -50.3 -64.3 18 14.0 -50.8 275 36 383.4 383.4 302.8 383.6 0.04 22 100 16130 -51.9 -66.9 15 15.0 -52.5 280 27 427.4 427.5 308.6 427.7 0.05 23 98 16261 -51.9 -66.9 15 15.0 -52.5 280 27 429.9 429.9 308.9 430.2 0.05 24 72 18240 -55.1 -70.1 14 15.0 -55.7 275 23 462.8 462.8 312.0 463.0 0.04 25 70 18420 -54.7 -69.7 14 15.0 -55.4 275 23 467.4 467.4 312.4 467.6 0.05 26 50 20580 -53.1 -68.1 15 15.0 -54.2 300 13 518.3 518.4 316.2 518.9 0.08 27 47 20977 -51.5 -67.5 13 16.0 -52.8 294 12 531.4 531.5 317.1 532.0 0.09 28 30 23880 -50.3 -66.3 13 16.0 -52.5 250 7 607.5 607.6 321.0 608.8 0.17 29 20 26520 -48.3 -64.3 14 16.0 -51.7 200 9 688.3 688.5 324.1 691.2 0.34 30 10 31140 -42.9 -60.9 12 18.0 -50.3 859.4 860.0 328.8 870.7 1.05 TRP 264 9856 -56.1 -63.1 41 7.0 -56.2 260 44 317.7 317.7 288.0 317.8 0.03 WND Sounding variables and indices 1000-500 mb thick: 5397.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.71 inches Sfc-500 mean rel hum: 96.48 % Est. max temperature: 10.93 C = 51.67 F Sfc-Lift cond lev (LCL): 1003.81 mb = 52.63 m = 172.66 ft T: -0.31 C 700-500 lapse rate: 6.24 C/km Conv cond level (CCL): 974.48 mb = 289.13 m = 948.57 ft Mean mixing ratio: 3.55 g/kg Conv temperature: 0.95 C = 33.71 F Cap Strength: 18.49 C Lifted Index: 18.76 C Risk: None Lifted Index @300 mb: 21.53 C Lifted Index @700 mb: 13.78 C Showalter Index: 11.08 C Risk: None Total Totals Index: 38.80 C Risk: None Vertical Totals Index: 19.40 C Cross Totals Index: 19.40 C K Index: 17.30 Risk: < 20 % chance of thunderstorms Sweat Index: 74.00 Risk: None Energy Index: 3.28 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 25.03 J/kg Max Up Vert Vel: 7.08 m/s Conv Inhibition (B-): 0.00 J/kg Cap Strength: 18.73 C Lift Cond Lev (LCL): 952.28 mb = 472.93 m = 1551.59 ft Lev Free Conv (LFC): 947.28 mb = 514.79 m = 1688.92 ft Equ Level (EL): 937.28 mb = 599.17 m = 1965.76 ft B at Equ Level: 23.67 J/kg Max Parcel Lev (MPL): 897.28 mb = 945.79 m = 3102.94 ft Wind level data Storm motion: 335 at 19 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 51 30 3 -1.5 -2.6 | 147 17 -9.3 14.2 1 1000 83 30 3 -1.5 -2.6 | 147 17 -9.3 14.2 2 925 704 5 11 -1.0 -11.0 | 124 11 -8.7 5.9 3 850 1376 355 19 1.7 -18.9 | 71 6 -6.1 -2.1 4 700 2915 330 25 12.5 -21.7 | 316 7 4.7 -4.8 5 500 5480 265 36 35.9 3.1 | 235 34 28.1 20.0 6 400 7080 255 38 36.7 9.8 | 227 39 28.9 26.7 7 300 9040 260 42 41.4 7.3 | 234 41 33.6 24.1 8 264 9856 260 44 43.3 7.6 | 235 43 35.6 24.5 9 250 10200 265 44 43.8 3.8 | 240 42 36.1 20.7 10 200 11630 270 42 42.0 -0.0 | 244 38 34.2 16.8 11 150 13500 275 36 35.9 -3.1 | 244 31 28.1 13.7 12 100 16130 280 27 26.6 -4.7 | 237 22 18.8 12.1 13 70 18420 275 23 22.9 -2.0 | 226 21 15.1 14.8 14 50 20580 300 13 11.3 -6.5 | 199 11 3.5 10.3 15 30 23880 250 7 6.6 2.4 | 176 19 -1.2 19.2 16 20 26520 200 9 3.1 8.5 | 169 26 -4.7 25.3 Wind Parameters Mean winds (0-6000m): 305.2 at 24.7 knts Storm direction: 335.2 at 18.5 knts Shear (0-3000m) pos: 0.0 neg: 4.2 tot: 4.2 10-3/s Storm rel Dir Shear (0-3000m): 158.7 deg Storm rel helicity (0-3000m) pos: 0.0 neg: -52.4 tot: -52.4 m^2/s^2 ave: -17.5 10^-3 m/s^2 rel: -0.81 Storm rel vorticity (0-3000m) horiz: 5.1 stream: -4.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.34 Bulk Shear: 72.91 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 16 6 140 15| 0.0 6.4 6.4| 0.0 -17.4 -17.4 -34.7 -0.69| 6.6 -4.5 1000 6 9 132 12| 0.0 6.5 6.5| 0.0 -29.3 -29.3 -29.3 -0.70| 6.6 -4.6 1500 1 12 122 9| 0.0 6.0 6.0| 0.0 -37.9 -37.9 -25.3 -0.76| 6.2 -4.7 2000 356 14 113 7| 0.0 5.1 5.1| 0.0 -42.1 -42.1 -21.0 -0.78| 5.6 -4.4 2500 351 16 103 5| 0.0 4.5 4.5| 0.0 -46.4 -46.4 -18.6 -0.81| 5.2 -4.2 3000 346 17 91 4| 0.0 4.2 4.2| 0.0 -52.4 -52.4 -17.5 -0.81| 5.1 -4.2 4000 335 20 330 1| 0.0 3.9 3.9| 0.0 -79.5 -79.5 -19.9 -0.76| 5.5 -4.2 5000 320 22 273 7| 0.0 3.7 3.7| 0.0-137.4-137.4 -27.5 -0.72| 5.9 -4.3 6000 305 25 258 13| 0.0 3.3 3.3| 0.0-192.2-192.2 -32.0 -0.72| 5.7 -4.1 Wrote GIF file: /home/apache/climate/data/raob//U3955/skewt/U3955.skewt.20250427.00.gif