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 U4507... Searching the city database file for: U4507 ... Date:1200Z 25 APR 25 Station: U4507 WMO ident: 24507 Latitude: 64.27 Longitude: 100.23 ------------------------------------------------------------------------------- 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 111 SFC 990 191 -2.3 -13.3 43 11.0 -5.4 250 9 271.6 271.9 268.4 275.5 1.38 2 925 724 -7.3 -18.3 41 11.0 -9.8 260 21 271.8 272.0 267.8 274.6 0.98 3 850 1374 -13.9 -20.9 55 7.0 -15.2 265 15 271.6 271.7 267.4 274.0 0.85 4 730 2504 -22.1 -25.4 75 3.3 -22.6 277 24 274.7 274.8 269.1 276.7 0.66 5 719 2616 -20.5 -23.8 75 3.3 -21.0 278 25 277.6 277.8 271.1 280.0 0.78 6 712 2688 -21.3 -24.4 76 3.1 -21.8 279 26 277.5 277.7 271.0 279.8 0.74 7 700 2812 -22.1 -25.6 73 3.5 -22.6 280 27 278.0 278.1 271.2 280.0 0.68 8 573 4259 -31.3 -37.3 55 6.0 -31.8 289 28 283.6 283.7 273.7 284.5 0.27 9 500 5210 -38.9 -44.9 53 6.0 -39.2 295 29 285.6 285.6 274.6 286.1 0.14 10 471 5619 -42.5 -48.5 52 6.0 -42.7 300 32 286.1 286.1 274.8 286.4 0.10 11 400 6720 -45.5 -52.5 45 7.0 -45.7 315 40 295.9 295.9 279.6 296.1 0.07 12 397 6770 -45.7 -52.7 45 7.0 -45.9 310 42 296.2 296.2 279.8 296.5 0.07 13 362 7384 -46.3 -54.3 40 8.0 -46.6 313 40 303.4 303.4 282.8 303.6 0.07 14 313 8355 -43.5 -55.5 25 12.0 -44.0 318 37 320.1 320.2 288.9 320.4 0.07 15 300 8640 -43.9 -56.9 22 13.0 -44.4 320 36 323.5 323.5 289.9 323.7 0.06 16 256 9710 -43.3 -60.3 14 17.0 -44.0 320 28 339.4 339.4 294.2 339.6 0.04 17 250 9870 -43.5 -61.5 12 18.0 -44.2 320 27 341.4 341.4 294.7 341.6 0.04 18 200 11360 -43.7 -64.7 8 21.0 -44.6 305 23 363.6 363.6 299.4 363.7 0.03 19 187 11812 -43.7 -65.7 7 22.0 -44.6 307 20 370.6 370.6 300.7 370.8 0.03 20 172 12371 -46.7 -68.7 6 22.0 -47.4 310 17 374.6 374.6 301.4 374.7 0.02 21 150 13280 -46.3 -69.3 6 23.0 -47.2 315 11 390.3 390.3 303.9 390.4 0.02 22 101 15895 -49.7 -73.7 4 24.0 -50.6 315 7 430.5 430.5 308.9 430.6 0.02 23 100 15960 -49.7 -73.7 4 24.0 -50.6 315 7 431.7 431.7 309.0 431.8 0.02 24 70 18290 -48.5 -72.5 5 24.0 -49.9 325 5 480.6 480.6 313.5 480.8 0.03 25 50 20500 -48.9 -73.9 4 25.0 -50.7 140 7 528.2 528.2 316.8 528.5 0.03 26 40 21964 -48.3 -73.3 4 25.0 -50.6 120 8 564.6 564.6 318.9 564.9 0.05 27 32 23421 -51.5 -75.5 4 24.0 -53.5 101 9 593.2 593.2 320.3 593.5 0.04 28 30 23840 -50.7 -75.7 4 25.0 -53.1 95 9 606.4 606.4 320.9 606.7 0.04 29 20 26480 -50.3 -75.3 4 25.0 -53.6 75 11 682.2 682.2 323.9 682.8 0.07 30 17 27544 -48.9 -73.9 4 25.0 -53.0 719.2 719.2 325.1 720.1 0.10 TRP 397 6770 -45.7 -52.7 45 7.0 -45.9 310 42 296.2 296.2 279.8 296.5 0.07 WND Sounding variables and indices 1000-500 mb thick: 5099.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.14 inches Sfc-500 mean rel hum: 58.87 % Est. max temperature: -2.10 C = 28.23 F Sfc-Lift cond lev (LCL): 832.14 mb = 1531.70 m = 5025.20 ft T: -15.04 C 700-500 lapse rate: 7.01 C/km ThetaE index: 1.49 C Layer 925.0- 730.0 mb Conv cond level (CCL): 771.95 mb = 2089.29 m = 6854.56 ft Mean mixing ratio: 1.09 g/kg Conv temperature: -0.35 C = 31.37 F Cap Strength: 8.06 C Lifted Index: 9.07 C Risk: None Lifted Index @300 mb: 34.48 C Lifted Index @700 mb: 4.48 C Showalter Index: 9.74 C Risk: None Total Totals Index: 43.00 C Risk: None Vertical Totals Index: 25.00 C Cross Totals Index: 18.00 C K Index: 0.60 Risk: None Sweat Index: 59.00 Risk: None Energy Index: 2.52 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1.42 J/kg Max Up Vert Vel: 1.69 m/s Conv Inhibition (B-): 59623.71 J/kg Cap Strength: 9.01 C Lift Cond Lev (LCL): 793.72 mb = 1882.79 m = 6177.06 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 315 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 ---------------------------------------------------------- 0 990 191 250 9 8.5 3.1 | 164 17 -4.8 16.3 1 925 724 260 21 20.7 3.6 | 204 18 7.4 16.9 2 850 1374 265 15 14.9 1.3 | 187 15 1.7 14.6 3 700 2812 280 27 26.6 -4.7 | 237 16 13.3 8.6 4 500 5210 295 29 26.3 -12.3 | 266 13 13.0 1.0 5 400 6720 315 40 28.3 -28.3 | 315 21 15.0 -15.0 6 397 6770 310 42 32.2 -27.0 | 306 23 18.9 -13.7 7 300 8640 320 36 23.1 -27.6 | 325 17 9.9 -14.3 8 250 9870 320 27 17.4 -20.7 | 331 8 4.1 -7.4 9 200 11360 305 23 18.8 -13.2 | 269 6 5.6 0.1 10 150 13280 315 11 7.8 -7.8 | 135 8 -5.5 5.5 11 100 15960 315 7 4.9 -4.9 | 135 12 -8.3 8.3 12 70 18290 325 5 2.9 -4.1 | 131 14 -10.4 9.2 13 50 20500 140 7 -4.5 5.4 | 136 26 -17.8 18.6 14 30 23840 95 9 -9.0 0.8 | 122 26 -22.2 14.0 15 20 26480 75 11 -10.6 -2.8 | 114 26 -23.9 10.4 Wind Parameters Mean winds (0-6000m): 285.0 at 25.0 knts Storm direction: 315.0 at 18.8 knts Shear (0-3000m) pos: 3.5 neg: 0.0 tot: 3.5 10-3/s Storm rel Dir Shear (0-3000m): 77.5 deg Storm rel helicity (0-3000m) pos: 108.6 neg: -18.2 tot: 90.4 m^2/s^2 ave: 30.1 10^-3 m/s^2 rel: 0.68 Storm rel vorticity (0-3000m) horiz: 5.4 stream: 3.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.06 Bulk Shear: 25.83 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 ------------------------------------------------------------------------------- 500 257 15 183 17| 11.8 0.0 11.8| 52.1 0.0 52.1 104.2 0.99| 11.9 11.7 1000 259 17 191 17| 4.2 0.0 4.2| 53.7 -12.7 41.0 41.0 0.56| 8.1 4.5 1500 261 17 191 16| 3.3 0.0 3.3| 63.9 -18.2 45.7 30.4 0.50| 6.9 3.5 2000 264 17 195 15| 3.6 0.0 3.6| 81.3 -18.2 63.0 31.5 0.60| 6.3 3.8 2500 268 19 201 15| 3.8 0.0 3.8| 99.6 -18.2 81.4 32.6 0.66| 6.0 4.0 3000 271 20 208 15| 3.5 0.0 3.5|108.6 -18.2 90.4 30.1 0.68| 5.4 3.7 4000 276 22 218 14| 2.8 0.0 2.8|119.7 -18.2 101.5 25.4 0.70| 4.5 3.1 5000 280 23 227 13| 2.4 0.0 2.4|130.7 -18.2 112.5 22.5 0.72| 3.9 2.8 6000 285 25 238 13| 2.8 0.0 2.8|167.5 -18.2 149.2 24.9 0.76| 4.1 3.1 Wrote GIF file: /home/apache/climate/data/raob//U4507/skewt/U4507.skewt.20250425.12.gif