UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041512.upa.cvt Date: 1200Z 15 APR 25 Searching for U9839... Searching the city database file for: U9839 ... Date:1200Z 15 APR 25 Station: U9839 WMO ident: 29839 Latitude: 53.50 Longitude: 83.83 ------------------------------------------------------------------------------- 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 1001 145 12.2 3.2 54 9.0 7.7 230 5 285.3 286.1 280.8 298.8 4.81 1 1000 153 12.0 3.0 54 9.0 7.5 240 7 285.1 286.0 280.7 298.5 4.74 2 964 459 10.4 2.4 58 8.0 6.5 249 8 286.5 287.4 281.3 299.9 4.72 3 952 563 8.6 1.6 61 7.0 5.2 253 8 285.7 286.5 280.7 298.5 4.51 4 925 800 7.8 -0.2 57 8.0 4.1 260 9 287.3 288.0 280.8 298.9 4.07 5 885 1163 6.4 -1.6 57 8.0 2.8 260 12 289.5 290.2 281.6 300.6 3.84 6 850 1492 2.8 -3.2 65 6.0 0.3 260 15 289.1 289.7 281.1 299.4 3.55 7 726 2745 -7.7 -9.7 86 2.0 -8.4 252 10 290.9 291.4 280.6 298.4 2.52 8 702 3006 -9.5 -10.7 91 1.2 -9.9 250 9 291.7 292.2 280.8 298.9 2.41 9 700 3028 -9.5 -11.2 87 1.7 -10.1 250 9 292.0 292.4 280.8 298.9 2.32 10 626 3878 -15.1 -19.6 68 4.5 -16.2 257 19 295.0 295.3 280.9 299.1 1.29 11 615 4011 -16.3 -21.2 66 4.9 -17.4 258 20 295.2 295.4 280.8 298.8 1.14 12 500 5530 -27.3 -32.3 62 5.0 -27.9 270 38 299.8 299.8 282.0 301.4 0.51 13 400 7100 -39.5 -44.5 59 5.0 -39.8 270 42 303.7 303.7 283.1 304.3 0.18 14 355 7907 -46.1 -52.1 51 6.0 -46.3 272 44 305.3 305.3 283.7 305.6 0.09 15 300 9010 -53.3 -60.3 42 7.0 -53.4 275 48 310.2 310.2 285.4 310.4 0.04 16 290 9228 -54.1 -62.1 37 8.0 -54.2 275 48 312.1 312.1 286.1 312.2 0.03 17 266 9781 -54.5 -63.5 32 9.0 -54.6 278 43 319.3 319.3 288.6 319.4 0.03 18 250 10180 -52.7 -62.7 29 10.0 -52.9 280 40 327.7 327.7 291.1 327.9 0.03 19 224 10895 -49.1 -61.1 23 12.0 -49.5 280 38 343.7 343.7 295.3 343.9 0.05 20 200 11640 -48.5 -63.5 16 15.0 -49.0 280 36 356.0 356.0 297.9 356.1 0.04 21 183 12225 -47.5 -64.5 12 17.0 -48.1 282 36 366.8 366.8 300.0 366.9 0.04 22 150 13530 -49.7 -70.7 7 21.0 -50.3 285 36 384.4 384.4 302.9 384.5 0.02 23 100 16180 -50.5 -73.5 5 23.0 -51.4 295 29 430.2 430.2 308.9 430.2 0.02 24 80 17629 -53.5 -75.5 5 22.0 -54.2 301 23 452.3 452.3 311.1 452.4 0.02 25 70 18490 -53.3 -77.3 4 24.0 -54.2 305 19 470.4 470.4 312.7 470.4 0.01 26 50 20650 -53.3 -76.3 4 23.0 -54.5 310 15 517.9 517.9 316.2 518.0 0.02 27 30 23940 -52.9 -76.9 4 24.0 -54.8 25 7 600.4 600.4 320.6 600.7 0.04 28 26 24865 -51.7 -75.7 4 24.0 -54.1 27 11 628.9 628.9 321.9 629.3 0.05 29 22 25945 -53.3 -77.3 4 24.0 -55.6 29 16 654.9 654.9 322.9 655.3 0.05 30 20 26560 -51.9 -75.9 4 24.0 -54.8 30 19 677.3 677.3 323.7 677.8 0.06 31 18 27246 -49.3 -73.3 4 24.0 -53.1 32 19 706.2 706.3 324.7 707.1 0.10 32 10 31110 -47.7 -72.7 4 25.0 -53.9 40 21 841.5 841.6 328.2 843.6 0.21 33 9.4 31520 -46.7 -70.7 5 24.0 -53.5 860.3 860.5 328.7 863.5 0.29 TRP 290 9228 -54.1 -62.1 37 8.0 -54.2 275 48 312.1 312.1 286.1 312.2 0.03 WND Sounding variables and indices 1000-500 mb thick: 5377.00 m Freezing level: 816.93 mb = 1826.11 m = 5991.11 ft Wetbulb zero: 846.35 mb = 1526.16 m = 5007.03 ft Precipitable water: 0.55 inches Sfc-500 mean rel hum: 68.76 % Est. max temperature: 16.02 C = 60.84 F Sfc-Lift cond lev (LCL): 873.38 mb = 1270.94 m = 4169.69 ft T: 5.22 C 700-500 lapse rate: 7.11 C/km ThetaE index: 2.22 C Layer 850.0- 702.0 mb Conv cond level (CCL): 802.05 mb = 1953.40 m = 6408.71 ft Mean mixing ratio: 4.41 g/kg Conv temperature: 16.73 C = 62.12 F Cap Strength: 2.51 C Lifted Index: 2.27 C Risk: None Lifted Index @300 mb: 7.97 C Lifted Index @700 mb: 0.44 C Showalter Index: 2.09 C Risk: Showers probable Total Totals Index: 54.20 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 30.10 C Cross Totals Index: 24.10 C K Index: 25.20 Risk: 40-60 % chance of thunderstorms Sweat Index: 172.00 Risk: None Energy Index: 0.37 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 10.28 J/kg Max Up Vert Vel: 4.53 m/s Conv Inhibition (B-): 68251.96 J/kg Cap Strength: 2.81 C Lift Cond Lev (LCL): 840.86 mb = 1577.95 m = 5176.92 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 294 at 15 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 1001 145 230 5 3.8 3.2 | 134 13 -9.4 9.2 1 1000 153 240 7 6.1 3.5 | 143 12 -7.2 9.5 2 925 800 260 9 8.9 1.6 | 150 9 -4.4 7.6 3 850 1492 260 15 14.8 2.6 | 190 9 1.5 8.6 4 700 3028 250 9 8.5 3.1 | 152 10 -4.8 9.1 5 500 5530 270 38 38.0 -0.0 | 256 25 24.8 6.0 6 400 7100 270 42 42.0 -0.0 | 258 29 28.8 6.0 7 300 9010 275 48 47.8 -4.2 | 267 35 34.6 1.8 8 290 9228 275 48 47.8 -4.2 | 267 35 34.6 1.8 9 250 10180 280 40 39.4 -6.9 | 272 26 26.1 -0.9 10 200 11640 280 36 35.5 -6.3 | 271 22 22.2 -0.2 11 150 13530 285 36 34.8 -9.3 | 279 22 21.5 -3.3 12 100 16180 295 29 26.3 -12.3 | 296 14 13.0 -6.2 13 70 18490 305 19 15.6 -10.9 | 335 5 2.3 -4.9 14 50 20650 310 15 11.5 -9.6 | 26 4 -1.8 -3.6 15 30 23940 25 7 -3.0 -6.3 | 89 16 -16.2 -0.3 16 20 26560 30 19 -9.5 -16.5 | 65 25 -22.7 -10.4 17 10 31110 40 21 -13.5 -16.1 | 69 29 -26.7 -10.1 Wind Parameters Mean winds (0-6000m): 264.4 at 19.4 knts Storm direction: 294.4 at 14.5 knts Shear (0-3000m) pos: 1.4 neg: 0.4 tot: 1.8 10-3/s Storm rel Dir Shear (0-3000m): 25.4 deg Storm rel helicity (0-3000m) pos: 25.3 neg: -14.1 tot: 11.1 m^2/s^2 ave: 3.7 10^-3 m/s^2 rel: 0.23 Storm rel vorticity (0-3000m) horiz: 3.2 stream: 0.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.52 Bulk Shear: 19.58 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 ------------------------------------------------------------------------------- 500 248 8 146 11| 4.7 0.0 4.7| 9.1 0.0 9.1 18.2 0.61| 4.9 3.0 1000 255 9 151 10| 4.1 0.0 4.1| 16.2 0.0 16.2 16.2 0.71| 4.4 3.1 1500 257 11 160 9| 2.8 0.8 3.6| 22.2 -1.0 21.2 14.2 0.71| 4.0 2.9 2000 257 11 165 9| 2.1 0.3 2.3| 22.2 -5.9 16.3 8.2 0.45| 3.6 1.6 2500 257 11 165 9| 1.7 0.4 2.1| 22.2 -10.8 11.4 4.6 0.27| 3.3 0.9 3000 256 11 164 9| 1.4 0.4 1.8| 25.3 -14.1 11.1 3.7 0.23| 3.2 0.7 4000 256 12 172 9| 2.5 0.3 2.8| 56.9 -14.1 42.8 10.7 0.50| 3.9 2.0 5000 261 16 194 9| 3.3 0.2 3.5| 96.3 -14.1 82.1 16.4 0.56| 4.4 2.5 6000 264 19 217 10| 3.2 0.1 3.3|117.9 -14.1 103.7 17.3 0.56| 4.2 2.4 Wrote GIF file: /home/apache/climate/data/raob//U9839/skewt/U9839.skewt.20250415.12.gif