UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041812.upa.cvt Date: 1200Z 18 APR 25 Searching for U4507... Searching the city database file for: U4507 ... Date:1200Z 18 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 -68 SFC 968 193 0.0 -1.8 88 1.8 -0.7 205 1 275.7 276.3 274.1 285.2 3.46 2 925 556 -2.3 -4.2 87 1.9 -3.0 325 9 277.0 277.5 274.2 285.3 3.02 3 850 1222 -5.9 -7.8 86 1.9 -6.5 305 5 280.0 280.4 275.1 287.0 2.50 4 726 2437 -11.7 -14.0 83 2.3 -12.3 224 13 286.5 286.8 277.6 291.8 1.78 5 700 2714 -13.9 -16.5 81 2.6 -14.6 205 15 287.1 287.4 277.4 291.6 1.50 6 500 5180 -33.3 -37.5 66 4.2 -33.7 185 38 292.4 292.5 278.3 293.4 0.30 7 448 5931 -39.9 -43.7 67 3.8 -40.1 190 39 293.5 293.5 278.6 294.1 0.18 8 400 6690 -43.5 -48.2 60 4.7 -43.7 195 40 298.5 298.5 280.8 298.9 0.12 9 337 7836 -50.9 -56.9 49 6.0 -51.0 200 38 303.3 303.4 282.8 303.5 0.05 10 334 7894 -51.1 -57.1 49 6.0 -51.2 200 38 303.9 303.9 283.0 304.0 0.05 11 300 8600 -50.3 -57.3 43 7.0 -50.5 200 44 314.5 314.5 287.0 314.7 0.06 12 250 9780 -48.9 -56.9 39 8.0 -49.2 215 40 333.4 333.4 292.7 333.6 0.07 13 200 11260 -47.7 -57.7 31 10.0 -48.1 215 38 357.2 357.3 298.2 357.6 0.08 14 168 12411 -46.5 -56.5 31 10.0 -47.1 218 33 377.5 377.5 301.9 378.0 0.11 15 150 13160 -47.3 -58.3 27 11.0 -47.9 220 29 388.6 388.6 303.6 389.0 0.10 16 100 15820 -50.7 -60.7 30 10.0 -51.3 225 29 429.8 429.8 308.9 430.3 0.11 17 70 18150 -50.5 -60.5 30 10.0 -51.4 225 21 476.3 476.4 313.2 477.3 0.16 18 50 20330 -52.3 -62.3 29 10.0 -53.2 240 17 520.2 520.3 316.4 521.4 0.18 19 30 23610 -54.9 -64.9 28 10.0 -56.1 245 13 595.0 595.0 320.5 596.5 0.21 20 20 26200 -55.3 -65.3 28 10.0 -56.8 225 17 666.9 667.0 323.4 669.3 0.29 21 17 27239 -56.3 -66.3 27 10.0 -57.9 232 23 695.4 695.6 324.4 698.0 0.30 22 10 30640 -53.5 -62.5 33 9.0 -56.2 255 44 819.8 820.3 327.9 828.6 0.85 23 9.5 30970 -53.1 -62.1 33 9.0 -56.0 833.5 834.0 328.2 843.3 0.95 TRP 337 7836 -50.9 -56.9 49 6.0 -51.0 200 38 303.3 303.4 282.8 303.5 0.05 WND Sounding variables and indices 1000-500 mb thick: 5248.00 m Freezing level: 968.00 mb = 192.97 m = 633.09 ft Wetbulb zero: Below ground Precipitable water: 0.36 inches Sfc-500 mean rel hum: 79.14 % Est. max temperature: 5.80 C = 42.45 F Sfc-Lift cond lev (LCL): 941.08 mb = 418.31 m = 1372.40 ft T: -1.43 C 700-500 lapse rate: 7.87 C/km ThetaE index: 0.21 C Layer 700.0- 500.0 mb Conv cond level (CCL): 862.89 mb = 1103.45 m = 3620.20 ft Mean mixing ratio: 3.00 g/kg Conv temperature: 3.70 C = 38.66 F Cap Strength: 4.69 C Lifted Index: 6.20 C Risk: None Lifted Index @300 mb: 20.40 C Lifted Index @700 mb: 4.65 C Showalter Index: 5.18 C Risk: None Total Totals Index: 52.90 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 27.40 C Cross Totals Index: 25.50 C K Index: 17.00 Risk: < 20 % chance of thunderstorms Sweat Index: 126.00 Risk: None Energy Index: 1.34 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 13.27 J/kg Max Up Vert Vel: 5.15 m/s Conv Inhibition (B-): 73825.39 J/kg Cap Strength: 6.22 C Lift Cond Lev (LCL): 890.42 mb = 856.07 m = 2808.61 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 225 at 16 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 ---------------------------------------------------------- 0 968 193 205 1 0.4 0.9 | 46 15 -11.0 -10.4 1 925 556 325 9 5.2 -7.4 | 18 20 -6.2 -18.7 2 850 1222 305 5 4.1 -2.9 | 27 16 -7.3 -14.2 3 700 2714 205 15 6.3 13.6 | 114 6 -5.1 2.3 4 500 5180 185 38 3.3 37.9 | 163 28 -8.1 26.5 5 400 6690 195 40 10.4 38.6 | 178 27 -1.1 27.3 6 337 7836 200 38 13.0 35.7 | 184 24 1.6 24.4 7 300 8600 200 44 15.0 41.3 | 187 30 3.6 30.0 8 250 9780 215 40 22.9 32.8 | 208 24 11.5 21.4 9 200 11260 215 38 21.8 31.1 | 208 22 10.4 19.8 10 150 13160 220 29 18.6 22.2 | 214 13 7.2 10.9 11 100 15820 225 29 20.5 20.5 | 225 13 9.1 9.2 12 70 18150 225 21 14.8 14.8 | 224 5 3.4 3.5 13 50 20330 240 17 14.7 8.5 | 310 4 3.3 -2.8 14 30 23610 245 13 11.8 5.5 | 356 6 0.4 -5.8 15 20 26200 225 17 12.0 12.0 | 222 1 0.6 0.7 16 10 30640 255 44 42.5 11.4 | 270 31 31.1 0.1 Wind Parameters Mean winds (0-6000m): 195.2 at 21.4 knts Storm direction: 225.2 at 16.1 knts Shear (0-3000m) pos: 1.5 neg: 4.2 tot: 5.7 10-3/s Storm rel Dir Shear (0-3000m): 100.8 deg Storm rel helicity (0-3000m) pos: 25.0 neg: -37.3 tot: -12.4 m^2/s^2 ave: -4.1 10^-3 m/s^2 rel: 0.06 Storm rel vorticity (0-3000m) horiz: 7.2 stream: 0.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.16 Bulk Shear: 85.23 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 ------------------------------------------------------------------------------- 500 321 6 26 18| 8.9 0.0 8.9| 2.1 -24.3 -22.2 -44.4 -0.46| 14.1 -6.5 1000 318 6 24 18| 4.5 1.8 6.2| 11.9 -24.3 -12.4 -12.4 -0.24| 8.9 -2.2 1500 308 6 23 17| 3.0 2.3 5.2| 11.9 -35.0 -23.1 -15.4 -0.32| 7.5 -2.4 2000 286 7 18 14| 2.2 3.4 5.6| 12.6 -37.3 -24.8 -12.4 -0.26| 7.4 -1.9 2500 255 8 20 10| 1.8 4.1 5.8| 18.4 -37.3 -18.9 -7.6 -0.03| 7.6 -0.3 3000 234 10 31 7| 1.5 4.2 5.7| 25.0 -37.3 -12.4 -4.1 0.06| 7.2 0.5 4000 212 13 91 4| 1.1 4.4 5.5| 34.4 -37.3 -3.0 -0.7 0.11| 6.7 0.7 5000 199 18 134 8| 0.9 4.6 5.4| 35.2 -40.2 -5.0 -1.0 0.09| 6.4 0.6 6000 195 21 148 11| 1.0 3.8 4.8| 69.2 -40.2 29.0 4.8 0.15| 5.7 0.9 Wrote GIF file: /home/apache/climate/data/raob//U4507/skewt/U4507.skewt.20250418.12.gif