UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042012.upa.cvt Date: 1200Z 20 APR 25 Searching for U4507... Searching the city database file for: U4507 ... Date:1200Z 20 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 92 SFC 988 188 -1.3 -15.3 34 14.0 -5.1 220 5 272.8 273.0 268.7 276.1 1.18 2 925 708 -5.7 -19.7 32 14.0 -8.9 215 7 273.5 273.6 268.7 276.0 0.87 3 850 1366 -11.9 -21.9 43 10.0 -13.9 185 13 273.7 273.8 268.6 276.0 0.78 4 784 1977 -17.5 -24.5 54 7.0 -18.6 197 22 274.1 274.2 268.7 276.1 0.67 5 773 2082 -18.3 -25.3 54 7.0 -19.4 200 24 274.3 274.4 268.8 276.2 0.63 6 730 2507 -19.5 -29.5 41 10.0 -20.9 209 30 277.5 277.6 270.5 278.9 0.45 7 714 2671 -20.7 -32.7 33 12.0 -22.1 212 33 278.0 278.0 270.5 279.0 0.34 8 700 2817 -22.5 -32.5 40 10.0 -23.7 215 35 277.6 277.6 270.3 278.7 0.36 9 657 3279 -25.3 -33.3 47 8.0 -26.2 216 36 279.5 279.5 271.5 280.6 0.35 10 624 3651 -27.7 -36.7 42 9.0 -28.5 217 37 280.9 280.9 272.2 281.7 0.26 11 500 5200 -40.7 -49.7 37 9.0 -41.1 220 40 283.4 283.4 273.3 283.7 0.08 12 474 5561 -44.1 -53.1 36 9.0 -44.3 219 35 283.6 283.6 273.3 283.8 0.06 13 414 6463 -48.1 -56.1 39 8.0 -48.3 215 23 289.6 289.6 276.5 289.8 0.05 14 400 6690 -47.9 -55.9 39 8.0 -48.1 215 21 292.7 292.7 278.1 292.9 0.05 15 300 8590 -48.5 -59.5 27 11.0 -48.8 195 19 317.0 317.0 287.8 317.2 0.04 16 270 9283 -46.3 -59.3 22 13.0 -46.7 192 18 329.9 329.9 291.7 330.1 0.05 17 250 9790 -48.7 -63.7 16 15.0 -49.1 190 17 333.7 333.7 292.7 333.8 0.03 18 203 11171 -44.7 -63.7 10 19.0 -45.4 204 10 360.5 360.5 298.8 360.6 0.04 19 200 11270 -45.1 -64.1 10 19.0 -45.9 205 9 361.4 361.4 299.0 361.5 0.03 20 150 13180 -45.5 -67.5 7 22.0 -46.4 235 13 391.7 391.7 304.0 391.8 0.03 21 100 15870 -46.5 -70.5 5 24.0 -47.8 205 17 437.9 437.9 309.7 438.0 0.03 22 70 18240 -48.1 -73.1 4 25.0 -49.6 190 17 481.5 481.5 313.6 481.6 0.03 23 61 19140 -50.1 -74.1 4 24.0 -51.5 192 18 496.4 496.4 314.7 496.5 0.03 24 52 20190 -45.9 -70.9 4 25.0 -48.2 194 19 529.3 529.3 316.9 529.7 0.05 25 50 20450 -46.9 -71.9 4 25.0 -49.1 195 19 532.9 533.0 317.1 533.3 0.05 26 40 21916 -51.5 -75.5 4 24.0 -53.2 197 18 556.5 556.5 318.5 556.7 0.03 27 36 22605 -48.7 -73.7 4 25.0 -51.1 198 18 580.8 580.8 319.7 581.1 0.05 28 30 23800 -50.5 -75.5 4 25.0 -52.9 200 17 607.0 607.0 320.9 607.3 0.05 29 21 26122 -51.5 -76.5 3 25.0 -54.4 204 15 669.1 669.2 323.4 669.6 0.06 30 20 26440 -50.7 -75.7 4 25.0 -53.9 205 15 681.0 681.0 323.8 681.5 0.07 31 11 30358 -48.5 -73.5 4 25.0 -54.1 252 6 816.0 816.0 327.7 817.6 0.17 32 10 30990 -45.3 -71.3 4 26.0 -52.5 260 5 850.5 850.6 328.5 853.1 0.25 33 9.5 31331 -46.7 -72.7 4 26.0 -53.5 857.7 857.8 328.6 860.0 0.22 TRP 414 6463 -48.1 -56.1 39 8.0 -48.3 215 23 289.6 289.6 276.5 289.8 0.05 WND Sounding variables and indices 1000-500 mb thick: 5108.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.11 inches Sfc-500 mean rel hum: 41.37 % Est. max temperature: -0.33 C = 31.40 F Sfc-Lift cond lev (LCL): 792.15 mb = 1898.43 m = 6228.38 ft T: -16.78 C 700-500 lapse rate: 7.64 C/km ThetaE index: 0.38 C Layer 700.0- 657.0 mb Conv cond level (CCL): 706.12 mb = 2752.93 m = 9031.81 ft Mean mixing ratio: 0.95 g/kg Conv temperature: 3.64 C = 38.55 F Cap Strength: 5.27 C Lifted Index: 6.33 C Risk: None Lifted Index @300 mb: 29.06 C Lifted Index @700 mb: 3.17 C Showalter Index: 6.39 C Risk: None Total Totals Index: 47.60 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 28.80 C Cross Totals Index: 18.80 C K Index: -3.10 Risk: None Sweat Index: 66.00 Risk: None Energy Index: 1.62 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 2.93 J/kg Max Up Vert Vel: 2.42 m/s Conv Inhibition (B-): 70252.01 J/kg Cap Strength: 6.30 C Lift Cond Lev (LCL): 755.22 mb = 2254.93 m = 7397.98 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 245 at 21 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 ---------------------------------------------------------- 0 988 188 220 5 3.2 3.8 | 72 17 -16.0 -5.1 1 925 708 215 7 4.0 5.7 | 78 16 -15.2 -3.2 2 850 1366 185 13 1.1 13.0 | 102 19 -18.1 4.0 3 700 2817 215 35 20.1 28.7 | 183 20 0.9 19.7 4 500 5200 220 40 25.7 30.6 | 197 23 6.5 21.7 5 414 6463 215 23 13.2 18.8 | 149 12 -6.0 9.9 6 400 6690 215 21 12.0 17.2 | 139 11 -7.2 8.2 7 300 8590 195 19 4.9 18.4 | 123 17 -14.3 9.4 8 250 9790 190 17 3.0 16.7 | 116 18 -16.3 7.8 9 200 11270 205 9 3.8 8.2 | 87 15 -15.4 -0.8 10 150 13180 235 13 10.6 7.5 | 80 9 -8.6 -1.5 11 100 15870 205 17 7.2 15.4 | 118 14 -12.0 6.4 12 70 18240 190 17 3.0 16.7 | 116 18 -16.3 7.8 13 50 20450 195 19 4.9 18.4 | 123 17 -14.3 9.4 14 30 23800 200 17 5.8 16.0 | 118 15 -13.4 7.0 15 20 26440 205 15 6.3 13.6 | 110 14 -12.9 4.6 16 10 30990 260 5 4.9 0.9 | 60 16 -14.3 -8.1 Wind Parameters Mean winds (0-6000m): 215.0 at 28.3 knts Storm direction: 245.0 at 21.2 knts Shear (0-3000m) pos: 3.6 neg: 2.3 tot: 5.9 10-3/s Storm rel Dir Shear (0-3000m): 112.7 deg Storm rel helicity (0-3000m) pos: 160.7 neg: 0.0 tot: 160.7 m^2/s^2 ave: 53.6 10^-3 m/s^2 rel: 0.95 Storm rel vorticity (0-3000m) horiz: 6.2 stream: 5.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.04 Bulk Shear: 65.87 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 ------------------------------------------------------------------------------- 500 217 6 75 16| 0.0 2.0 2.0| 6.7 0.0 6.7 13.3 0.78| 2.0 1.6 1000 208 8 82 16| 0.0 3.7 3.7| 28.9 0.0 28.9 28.9 0.90| 4.0 3.6 1500 198 10 91 16| 0.0 4.7 4.7| 60.8 0.0 60.8 40.6 0.90| 5.2 4.7 2000 199 13 102 15| 2.2 3.5 5.7|100.4 0.0 100.4 50.2 0.94| 6.1 5.7 2500 204 16 115 14| 3.6 2.8 6.4|144.0 0.0 144.0 57.6 0.95| 6.8 6.4 3000 208 19 128 13| 3.6 2.3 5.9|160.7 0.0 160.7 53.6 0.95| 6.2 5.9 4000 212 24 149 13| 3.0 1.8 4.7|172.7 0.0 172.7 43.2 0.95| 5.0 4.7 5000 214 27 163 14| 2.6 1.4 4.0|185.4 0.0 185.4 37.1 0.94| 4.3 4.0 6000 215 28 168 15| 2.2 0.9 3.1|185.4 -42.6 142.8 23.8 0.54| 4.7 2.5 Wrote GIF file: /home/apache/climate/data/raob//U4507/skewt/U4507.skewt.20250420.12.gif