UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041800.upa.cvt Date: 0000Z 18 APR 25 Searching for U3884... Searching the city database file for: U3884 ... Date:0000Z 18 APR 25 Station: U3884 WMO ident: 23884 Latitude: 61.60 Longitude: 90.00 ------------------------------------------------------------------------------- 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 43 270 3 SFC 998 59 -5.1 -7.4 84 2.3 -5.8 270 3 268.2 268.6 267.4 274.1 2.19 2 925 658 -8.1 -12.4 71 4.3 -9.2 325 15 271.0 271.3 268.3 275.5 1.59 3 850 1301 -12.5 -15.5 78 3.0 -13.2 310 13 273.1 273.3 269.2 276.9 1.34 4 798 1780 -15.7 -19.9 70 4.2 -16.5 282 16 274.6 274.8 269.6 277.5 0.99 5 733 2422 -14.7 -20.7 60 6.0 -16.0 245 21 282.5 282.6 274.3 285.5 1.00 6 700 2770 -16.7 -22.7 60 6.0 -17.9 225 23 284.0 284.1 274.9 286.7 0.88 7 536 4720 -30.5 -35.0 65 4.5 -30.9 217 33 290.0 290.1 277.3 291.2 0.36 8 500 5210 -34.7 -40.7 54 6.0 -35.1 215 36 290.7 290.8 277.4 291.5 0.22 9 412 6525 -46.3 -53.3 45 7.0 -46.5 215 39 292.3 292.3 277.9 292.6 0.07 10 400 6720 -47.5 -54.5 44 7.0 -47.7 215 40 293.3 293.3 278.4 293.5 0.06 11 363 7353 -52.3 -59.3 43 7.0 -52.4 200 46 295.1 295.1 279.2 295.2 0.04 12 333 7914 -49.1 -56.1 44 7.0 -49.3 207 39 306.8 306.9 284.2 307.1 0.06 13 300 8600 -47.9 -55.9 39 8.0 -48.1 215 31 317.8 317.9 288.1 318.1 0.07 14 250 9820 -44.1 -56.1 25 12.0 -44.6 215 38 340.5 340.5 294.5 340.8 0.08 15 237 10177 -43.1 -56.1 23 13.0 -43.7 216 36 347.3 347.3 296.1 347.6 0.08 16 207 11081 -44.5 -60.5 15 16.0 -45.2 219 30 358.8 358.8 298.5 359.0 0.05 17 200 11310 -44.5 -61.5 13 17.0 -45.3 220 29 362.3 362.3 299.2 362.5 0.05 18 150 13240 -44.7 -64.7 9 20.0 -45.7 225 29 393.0 393.0 304.3 393.2 0.04 19 100 15940 -46.5 -68.5 6 22.0 -47.7 235 21 437.9 437.9 309.7 438.1 0.04 20 85 17012 -48.7 -70.7 6 22.0 -49.8 235 21 454.3 454.3 311.3 454.4 0.03 21 78 17579 -46.7 -68.7 6 22.0 -48.2 235 21 469.7 469.7 312.6 470.0 0.05 22 70 18290 -50.1 -72.1 6 22.0 -51.3 235 21 477.2 477.2 313.2 477.4 0.03 23 69 18384 -50.3 -72.3 6 22.0 -51.5 235 21 478.7 478.8 313.4 478.9 0.03 24 61 19195 -46.5 -69.5 6 23.0 -48.4 235 19 504.4 504.4 315.3 504.7 0.05 25 52 20244 -50.7 -72.7 6 22.0 -52.2 235 17 518.1 518.2 316.2 518.4 0.04 26 50 20500 -49.9 -71.9 6 22.0 -51.5 235 17 525.9 525.9 316.7 526.2 0.05 27 40 21952 -50.5 -72.5 6 22.0 -52.4 252 14 559.0 559.0 318.6 559.4 0.05 28 36 22642 -47.7 -70.7 5 23.0 -50.3 261 13 583.4 583.4 319.9 583.9 0.08 29 30 23830 -52.5 -74.5 5 22.0 -54.4 275 11 601.5 601.5 320.7 601.9 0.05 30 20 26460 -50.1 -73.1 5 23.0 -53.4 260 23 682.8 682.9 323.9 683.6 0.10 31 17 27520 -50.9 -73.9 5 23.0 -54.4 712.7 712.8 324.8 713.6 0.10 32 14 28800 -45.1 -69.1 5 24.0 -51.1 773.1 773.2 326.6 775.5 0.25 33 11 30401 -48.1 -72.1 5 24.0 -53.8 817.4 817.5 327.7 819.5 0.20 34 10 31032 -46.1 -70.1 5 24.0 -52.9 847.5 847.6 328.4 850.6 0.30 TRP 363 7353 -52.3 -59.3 43 7.0 -52.4 200 46 295.1 295.1 279.2 295.2 0.04 WND Sounding variables and indices 1000-500 mb thick: 5167.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.22 inches Sfc-500 mean rel hum: 66.44 % Est. max temperature: -0.20 C = 31.65 F Sfc-Lift cond lev (LCL): 962.22 mb = 346.82 m = 1137.85 ft T: -6.54 C 700-500 lapse rate: 7.38 C/km ThetaE index: 0.00 C Layer 998.0- -0.0 mb Conv cond level (CCL): 861.28 mb = 1200.76 m = 3939.44 ft Mean mixing ratio: 1.80 g/kg Conv temperature: -0.57 C = 30.98 F Cap Strength: 12.96 C Lifted Index: 13.12 C Risk: None Lifted Index @300 mb: 30.30 C Lifted Index @700 mb: 9.76 C Showalter Index: 11.69 C Risk: None Total Totals Index: 41.40 C Risk: None Vertical Totals Index: 22.20 C Cross Totals Index: 19.20 C K Index: 0.70 Risk: None Sweat Index: 62.00 Risk: None Energy Index: 3.12 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 11.15 J/kg Max Up Vert Vel: 4.72 m/s Conv Inhibition (B-): 69108.20 J/kg Cap Strength: 13.09 C Lift Cond Lev (LCL): 896.77 mb = 893.68 m = 2931.98 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 259 at 18 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 ---------------------------------------------------------- 0 998 59 270 3 3.0 -0.0 | 77 15 -14.9 -3.4 1 925 658 325 15 8.6 -12.3 | 31 18 -9.3 -15.7 2 850 1301 310 13 10.0 -8.4 | 34 14 -8.0 -11.7 3 700 2770 225 23 16.3 16.3 | 173 13 -1.7 12.9 4 500 5210 215 36 20.6 29.5 | 186 26 2.7 26.1 5 400 6720 215 40 22.9 32.8 | 190 30 5.0 29.4 6 363 7353 200 46 15.7 43.2 | 177 40 -2.2 39.9 7 300 8600 215 31 17.8 25.4 | 180 22 -0.2 22.0 8 250 9820 215 38 21.8 31.1 | 188 28 3.9 27.8 9 200 11310 220 29 18.6 22.2 | 182 19 0.7 18.8 10 150 13240 225 29 20.5 20.5 | 189 17 2.6 17.1 11 100 15940 235 21 17.2 12.0 | 175 9 -0.7 8.7 12 70 18290 235 21 17.2 12.0 | 175 9 -0.7 8.7 13 50 20500 235 17 13.9 9.8 | 148 8 -4.0 6.4 14 30 23830 275 11 11.0 -1.0 | 58 8 -7.0 -4.3 15 20 26460 260 23 22.7 4.0 | 263 5 4.7 0.6 Wind Parameters Mean winds (0-6000m): 229.3 at 24.3 knts Storm direction: 259.3 at 18.2 knts Shear (0-3000m) pos: 1.9 neg: 4.8 tot: 6.7 10-3/s Storm rel Dir Shear (0-3000m): 99.0 deg Storm rel helicity (0-3000m) pos: 6.2 neg: -58.4 tot: -52.2 m^2/s^2 ave: -17.4 10^-3 m/s^2 rel: -0.43 Storm rel vorticity (0-3000m) horiz: 8.5 stream: -3.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.13 Bulk Shear: 82.84 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 ------------------------------------------------------------------------------- 500 315 8 54 15| 11.5 0.0 11.5| 0.0 -34.7 -34.7 -69.5 -0.82| 12.4-10.2 1000 319 11 42 16| 5.7 0.4 6.1| 1.8 -40.1 -38.3 -38.3 -0.60| 9.1 -5.5 1500 315 12 38 15| 3.8 1.8 5.6| 3.4 -46.1 -42.6 -28.4 -0.52| 7.9 -4.1 2000 303 13 33 13| 2.9 3.6 6.4| 3.4 -51.1 -47.7 -23.8 -0.47| 8.3 -3.9 2500 287 14 28 9| 2.3 4.7 7.0| 3.4 -54.2 -50.8 -20.3 -0.47| 8.9 -4.2 3000 270 16 32 4| 1.9 4.8 6.7| 6.2 -58.4 -52.2 -17.4 -0.43| 8.5 -3.6 4000 248 19 171 4| 1.4 4.4 5.8| 15.3 -58.4 -43.2 -10.8 -0.35| 7.1 -2.5 5000 236 22 180 9| 1.1 4.1 5.2| 20.7 -58.4 -37.8 -7.6 -0.30| 6.3 -1.9 6000 229 24 182 12| 1.0 3.7 4.6| 28.7 -58.4 -29.8 -5.0 -0.27| 5.5 -1.5 Wrote GIF file: /home/apache/climate/data/raob//U3884/skewt/U3884.skewt.20250418.00.gif