UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042512.upa.cvt Date: 1200Z 25 APR 25 Searching for U8445... Searching the city database file for: U8445 ... Date:1200Z 25 APR 25 Station: U8445 WMO ident: 28445 Latitude: 56.73 Longitude: 61.07 ------------------------------------------------------------------------------- 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 56 SFC 973 288 15.4 10.9 75 4.5 12.7 220 3 290.8 292.3 287.0 314.7 8.44 2 925 715 12.0 7.0 71 5.0 9.2 265 13 291.6 292.8 285.7 311.0 6.80 3 850 1417 7.6 1.6 66 6.0 4.6 235 19 294.1 295.0 284.9 308.9 5.05 4 805 1862 3.4 -0.1 78 3.5 1.7 236 23 294.2 295.1 284.6 308.1 4.72 5 700 2984 -3.1 -5.8 82 2.7 -4.2 240 33 299.1 299.7 285.2 309.8 3.54 6 659 3459 -5.1 -8.7 76 3.6 -6.5 239 32 302.0 302.6 285.8 311.3 3.00 7 608 4083 -10.7 -13.5 80 2.8 -11.6 238 31 302.6 303.0 285.1 309.5 2.22 8 591 4300 -11.7 -14.2 82 2.5 -12.5 237 31 303.9 304.3 285.5 310.7 2.15 9 523 5225 -17.1 -20.9 72 3.8 -18.1 236 30 308.2 308.5 286.3 312.7 1.38 10 500 5560 -19.7 -24.2 67 4.5 -20.7 235 29 309.0 309.2 286.2 312.6 1.08 11 400 7180 -31.5 -36.3 63 4.8 -32.1 240 40 314.0 314.1 287.3 315.6 0.43 12 370 7725 -35.3 -40.0 62 4.7 -35.7 239 42 316.1 316.1 287.8 317.2 0.32 13 300 9140 -47.9 -53.9 50 6.0 -48.1 235 48 317.8 317.9 288.1 318.2 0.08 14 273 9757 -53.7 -58.7 54 5.0 -53.8 241 56 318.1 318.1 288.2 318.3 0.05 15 259 10095 -56.1 -61.7 49 5.6 -56.2 245 60 319.4 319.4 288.6 319.6 0.04 16 250 10320 -57.7 -63.7 46 6.0 -57.8 245 58 320.3 320.3 288.9 320.4 0.03 17 224 11011 -62.7 -68.7 44 6.0 -62.7 250 52 322.8 322.8 289.6 322.9 0.02 18 221 11094 -62.9 -68.9 44 6.0 -63.0 251 51 323.8 323.8 289.9 323.8 0.02 19 200 11720 -58.7 -64.7 46 6.0 -58.8 255 46 339.8 339.8 294.3 339.9 0.03 20 173 12641 -51.7 -58.7 43 7.0 -52.0 260 41 365.8 365.8 299.9 366.1 0.08 21 150 13560 -52.9 -62.9 29 10.0 -53.2 265 36 378.9 378.9 302.1 379.2 0.05 22 101 16097 -55.9 -71.9 12 16.0 -56.3 265 27 418.5 418.5 307.6 418.6 0.02 23 100 16160 -56.1 -72.1 12 16.0 -56.5 265 27 419.3 419.3 307.6 419.5 0.02 24 72 18251 -57.3 -75.3 8 18.0 -57.8 274 27 458.1 458.1 311.6 458.2 0.02 25 70 18430 -56.5 -75.5 7 19.0 -57.1 275 27 463.5 463.5 312.1 463.6 0.02 26 65 18902 -54.1 -74.1 7 20.0 -54.9 274 25 478.7 478.7 313.4 478.8 0.03 27 50 20570 -57.7 -78.7 5 21.0 -58.4 270 19 507.5 507.5 315.5 507.6 0.02 28 41 21816 -59.7 -80.7 5 21.0 -60.4 268 18 532.2 532.2 317.1 532.2 0.01 29 30 23780 -57.3 -79.3 5 22.0 -58.5 265 17 588.4 588.4 320.1 588.6 0.02 30 27 24447 -55.9 -78.9 4 23.0 -57.4 262 16 610.4 610.4 321.1 610.6 0.03 31 20 26350 -56.5 -79.5 4 23.0 -58.3 255 13 663.2 663.2 323.2 663.5 0.04 32 18 27020 -57.3 -80.3 4 23.0 -59.2 247 13 681.0 681.0 323.8 681.3 0.04 33 14 28642 -50.1 -74.1 4 24.0 -54.4 229 14 756.2 756.2 326.1 757.3 0.12 34 13 29125 -51.9 -75.9 4 24.0 -55.8 224 14 766.1 766.2 326.4 767.0 0.10 35 11 30229 -44.5 -70.5 4 26.0 -51.7 212 15 830.5 830.6 328.0 833.2 0.26 36 10 30870 -43.5 -69.5 4 26.0 -51.5 205 15 857.2 857.3 328.6 860.7 0.33 37 9.4 31286 -43.3 -69.3 4 26.0 -51.7 873.2 873.4 329.0 877.1 0.36 TRP 224 11011 -62.7 -68.7 44 6.0 -62.7 250 52 322.8 322.8 289.6 322.9 0.02 WND 259 10095 -56.1 -61.7 49 5.6 -56.2 245 60 319.4 319.4 288.6 319.6 0.04 Sounding variables and indices 1000-500 mb thick: 5504.00 m Freezing level: 750.08 mb = 2449.00 m = 8034.68 ft Wetbulb zero: 774.65 mb = 2170.67 m = 7121.55 ft Precipitable water: 0.81 inches Sfc-500 mean rel hum: 75.68 % Est. max temperature: 18.76 C = 65.76 F Sfc-Lift cond lev (LCL): 909.63 mb = 854.10 m = 2802.12 ft T: 11.13 C 700-500 lapse rate: 6.44 C/km ThetaE index: 6.68 C Layer 925.0- 700.0 mb Conv cond level (CCL): 826.97 mb = 1641.80 m = 5386.43 ft Mean mixing ratio: 6.85 g/kg Conv temperature: 18.74 C = 65.73 F Cap Strength: 1.96 C Lifted Index: 1.67 C Risk: Showers probable Lifted Index @300 mb: 4.76 C Lifted Index @700 mb: 0.28 C Showalter Index: 3.31 C Risk: None Total Totals Index: 48.60 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 27.30 C Cross Totals Index: 21.30 C K Index: 26.20 Risk: 40-60 % chance of thunderstorms Sweat Index: 86.20 Risk: None Energy Index: 0.73 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 9.74 J/kg Max Up Vert Vel: 4.41 m/s Conv Inhibition (B-): 72.71 J/kg Cap Strength: 1.96 C Lift Cond Lev (LCL): 855.45 mb = 1363.89 m = 4474.66 ft Lev Free Conv (LFC): 610.45 mb = 4051.90 m = 13293.48 ft Equ Level (EL): 600.45 mb = 4178.76 m = 13709.69 ft B at Equ Level: 9.46 J/kg Max Parcel Lev (MPL): 560.45 mb = 4701.76 m = 15425.52 ft Wind level data Storm motion: 269 at 20 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 ---------------------------------------------------------- 0 973 288 220 3 1.9 2.3 | 96 18 -18.0 1.8 1 925 715 265 13 13.0 1.1 | 95 7 -7.0 0.6 2 850 1417 235 19 15.6 10.9 | 157 11 -4.4 10.4 3 700 2984 240 33 28.6 16.5 | 208 18 8.6 16.0 4 500 5560 235 29 23.8 16.6 | 193 17 3.8 16.1 5 400 7180 240 40 34.6 20.0 | 217 24 14.7 19.5 6 300 9140 235 48 39.3 27.5 | 216 33 19.4 27.0 7 259 10095 245 60 54.4 25.4 | 234 42 34.4 24.9 8 250 10320 245 58 52.6 24.5 | 234 41 32.6 24.0 9 224 11011 250 52 48.9 17.8 | 239 34 28.9 17.3 10 200 11720 255 46 44.4 11.9 | 245 27 24.5 11.4 11 150 13560 265 36 35.9 3.1 | 261 16 15.9 2.6 12 100 16160 265 27 26.9 2.4 | 255 7 7.0 1.9 13 70 18430 275 27 26.9 -2.4 | 292 8 7.0 -2.9 14 50 20570 270 19 19.0 -0.0 | 62 1 -0.9 -0.5 15 30 23780 265 17 16.9 1.5 | 108 3 -3.0 1.0 16 20 26350 255 13 12.6 3.4 | 111 8 -7.4 2.9 17 10 30870 205 15 6.3 13.6 | 134 19 -13.6 13.1 Wind Parameters Mean winds (0-6000m): 238.6 at 26.6 knts Storm direction: 268.6 at 19.9 knts Shear (0-3000m) pos: 3.7 neg: 2.0 tot: 5.7 10-3/s Storm rel Dir Shear (0-3000m): 111.0 deg Storm rel helicity (0-3000m) pos: 68.4 neg: -4.7 tot: 63.7 m^2/s^2 ave: 21.2 10^-3 m/s^2 rel: 0.56 Storm rel vorticity (0-3000m) horiz: 6.2 stream: 3.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.21 Bulk Shear: 45.68 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 ------------------------------------------------------------------------------- 500 258 9 96 11| 11.9 0.0 11.9| 10.9 -2.1 8.8 17.5 0.16| 12.7 2.0 1000 252 12 111 9| 5.9 3.7 9.7| 22.3 -2.1 20.2 20.2 0.41| 10.1 4.2 1500 245 15 132 9| 4.0 4.0 8.0| 34.6 -2.1 32.4 21.6 0.49| 8.5 4.2 2000 242 17 149 9| 4.1 3.0 7.0| 48.3 -2.1 46.2 23.1 0.55| 7.6 4.2 2500 241 20 164 9| 4.1 2.4 6.5| 62.6 -2.1 60.4 24.2 0.58| 7.0 4.1 3000 241 22 175 10| 3.7 2.0 5.7| 68.4 -4.7 63.7 21.2 0.56| 6.2 3.5 4000 240 24 186 12| 2.7 1.4 4.2| 68.4 -12.9 55.5 13.9 0.49| 4.9 2.4 5000 239 26 189 13| 2.2 1.1 3.3| 68.4 -20.9 47.5 9.5 0.42| 4.1 1.7 6000 239 27 192 14| 2.2 0.9 3.1| 86.6 -22.4 64.2 10.7 0.45| 3.9 1.7 Wrote GIF file: /home/apache/climate/data/raob//U8445/skewt/U8445.skewt.20250425.12.gif