UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042812.upa.cvt Date: 1200Z 28 APR 25 Searching for U3472... Searching the city database file for: U3472 ... Date:1200Z 28 APR 25 Station: U3472 WMO ident: 23472 Latitude: 65.78 Longitude: 87.95 ------------------------------------------------------------------------------- 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 1008 41 7.2 -6.8 36 14.0 1.9 175 5 279.7 280.1 274.6 286.2 2.27 1 1000 107 8.4 -2.6 46 11.0 3.7 180 9 281.5 282.1 276.9 290.5 3.15 2 999 115 8.6 -2.4 46 11.0 3.9 180 9 281.8 282.4 277.1 290.9 3.20 3 957 468 5.6 -12.4 26 18.0 -0.4 180 15 282.3 282.5 275.0 286.8 1.54 4 925 745 3.0 -14.0 27 17.0 -2.3 180 19 282.4 282.6 274.8 286.5 1.40 5 867 1265 -0.7 -17.7 26 17.0 -5.4 214 27 283.8 284.0 275.2 287.1 1.10 6 850 1423 0.6 -22.4 16 23.0 -5.3 225 29 286.8 286.9 276.2 289.1 0.74 7 700 2963 -5.1 -26.1 17 21.0 -10.1 260 36 296.8 297.0 280.8 298.9 0.65 8 669 3318 -5.5 -25.5 19 20.0 -10.4 262 38 300.3 300.4 282.4 302.6 0.72 9 635 3724 -7.9 -31.9 13 24.0 -12.8 264 39 302.0 302.1 282.8 303.4 0.42 10 602 4135 -10.9 -23.9 33 13.0 -14.0 267 41 303.2 303.4 283.9 306.2 0.92 11 600 4161 -10.9 -23.9 33 13.0 -14.0 267 41 303.5 303.7 284.0 306.5 0.92 12 500 5530 -21.7 -39.7 18 18.0 -23.9 275 48 306.6 306.6 284.4 307.4 0.24 13 400 7130 -34.9 -52.9 14 18.0 -35.9 280 54 309.6 309.6 285.3 309.9 0.07 14 370 7669 -39.5 -56.5 15 17.0 -40.2 279 54 310.5 310.5 285.5 310.7 0.05 15 300 9070 -50.3 -63.3 20 13.0 -50.5 275 54 314.5 314.5 286.9 314.6 0.03 16 261 9968 -56.5 -68.5 21 12.0 -56.6 275 60 318.1 318.1 288.2 318.2 0.01 17 250 10240 -58.5 -69.5 23 11.0 -58.6 275 62 319.1 319.1 288.5 319.1 0.01 18 224 10925 -63.7 -74.7 21 11.0 -63.7 280 68 321.4 321.4 289.2 321.4 0.01 19 220 11036 -64.5 -75.5 21 11.0 -64.6 280 64 321.7 321.7 289.3 321.7 0.01 20 212 11265 -61.9 -72.9 22 11.0 -62.0 284 55 329.2 329.2 291.5 329.2 0.01 21 200 11630 -58.3 -69.3 23 11.0 -58.5 290 40 340.4 340.4 294.4 340.5 0.02 22 196 11757 -57.5 -68.5 23 11.0 -57.6 289 40 343.7 343.7 295.2 343.8 0.02 23 160 13052 -52.1 -64.1 22 12.0 -52.5 282 36 373.3 373.4 301.2 373.5 0.04 24 150 13470 -51.7 -63.7 22 12.0 -52.1 280 35 381.0 381.0 302.5 381.2 0.05 25 100 16090 -53.1 -66.1 19 13.0 -53.7 290 27 425.1 425.1 308.3 425.4 0.05 26 70 18380 -52.1 -66.1 17 14.0 -52.9 335 15 472.9 472.9 312.9 473.4 0.08 27 63 19062 -52.5 -66.5 17 14.0 -53.4 486.5 486.5 314.0 487.0 0.08 TRP 220 11036 -64.5 -75.5 21 11.0 -64.6 280 64 321.7 321.7 289.3 321.7 0.01 WND 224 10925 -63.7 -74.7 21 11.0 -63.7 280 68 321.4 321.4 289.2 321.4 0.01 Sounding variables and indices 1000-500 mb thick: 5423.00 m Freezing level: 877.97 mb = 1166.42 m = 3826.78 ft Freezing level: 857.85 mb = 1349.96 m = 4428.95 ft Freezing level: 834.21 mb = 1585.11 m = 5200.41 ft Wetbulb zero: 960.83 mb = 435.43 m = 1428.54 ft Precipitable water: 0.21 inches Sfc-500 mean rel hum: 22.68 % Est. max temperature: 12.87 C = 55.16 F Sfc-Lift cond lev (LCL): 812.25 mb = 1783.35 m = 5850.80 ft T: -0.73 C 700-500 lapse rate: 6.47 C/km ThetaE index: 4.39 C Layer 957.0- 867.0 mb Conv cond level (CCL): 545.90 mb = 4870.46 m = 15979.01 ft Mean mixing ratio: 1.93 g/kg Conv temperature: 32.71 C = 90.87 F Cap Strength: 15.59 C Lifted Index: 16.25 C Risk: None Lifted Index @300 mb: 19.00 C Lifted Index @700 mb: 12.05 C Showalter Index: 15.19 C Risk: None Total Totals Index: 21.60 C Risk: None Vertical Totals Index: 22.30 C Cross Totals Index: -0.70 C K Index: -21.10 Risk: None Sweat Index: 226.76 Risk: None Energy Index: 3.93 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 4.43 J/kg Max Up Vert Vel: 2.98 m/s Conv Inhibition (B-): 26882.61 J/kg Cap Strength: 16.19 C Lift Cond Lev (LCL): 758.01 mb = 2331.50 m = 7649.19 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 287 at 26 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 1008 41 175 5 -0.4 5.0 | 116 29 -25.5 12.7 1 1000 107 180 9 0.0 9.0 | 124 30 -25.1 16.7 2 925 745 180 19 0.0 19.0 | 137 37 -25.1 26.7 3 850 1423 225 29 20.5 20.5 | 171 29 -4.6 28.2 4 700 2963 260 36 35.5 6.3 | 217 17 10.3 13.9 5 500 5530 275 48 47.8 -4.2 | 261 23 22.7 3.5 6 400 7130 280 54 53.2 -9.4 | 273 28 28.1 -1.7 7 300 9070 275 54 53.8 -4.7 | 264 29 28.7 3.0 8 250 10240 275 62 61.8 -5.4 | 266 37 36.7 2.3 9 224 10925 280 68 67.0 -11.8 | 276 42 41.9 -4.1 10 220 11036 280 64 63.0 -11.1 | 275 38 37.9 -3.4 11 200 11630 290 40 37.6 -13.7 | 296 14 12.5 -6.0 12 150 13470 280 35 34.5 -6.1 | 260 9 9.4 1.6 13 100 16090 290 27 25.4 -9.2 | 350 2 0.3 -1.6 14 70 18380 335 15 6.3 -13.6 | 72 20 -18.8 -5.9 Wind Parameters Mean winds (0-6000m): 257.0 at 35.0 knts Storm direction: 287.0 at 26.3 knts Shear (0-3000m) pos: 6.2 neg: 0.0 tot: 6.2 10-3/s Storm rel Dir Shear (0-3000m): 101.8 deg Storm rel helicity (0-3000m) pos: 376.9 neg: 0.0 tot: 376.9 m^2/s^2 ave: 125.6 10^-3 m/s^2 rel: 0.87 Storm rel vorticity (0-3000m) horiz: 9.8 stream: 8.4 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.03 Bulk Shear: 156.06 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 ------------------------------------------------------------------------------- 500 180 12 128 32| 11.1 0.0 11.1| 73.9 0.0 73.9 147.8 0.83| 11.2 9.3 1000 184 16 134 33| 9.7 0.0 9.7|171.8 0.0 171.8 171.8 0.86| 11.6 10.0 1500 200 19 145 32| 9.2 0.0 9.2|277.0 0.0 277.0 184.6 0.87| 12.6 11.0 2000 212 22 153 30| 7.7 0.0 7.7|314.0 0.0 314.0 157.0 0.87| 11.1 9.7 2500 222 24 161 27| 6.8 0.0 6.8|348.0 0.0 348.0 139.2 0.86| 10.3 8.9 3000 230 26 169 25| 6.2 0.0 6.2|376.9 0.0 376.9 125.6 0.87| 9.8 8.4 4000 242 29 182 21| 5.3 0.0 5.3|405.2 0.0 405.2 101.3 0.88| 8.1 7.1 5000 250 32 196 19| 4.8 0.0 4.8|436.7 0.0 436.7 87.3 0.88| 7.1 6.3 6000 257 35 210 18| 4.4 0.0 4.4|464.5 0.0 464.5 77.4 0.88| 6.4 5.6 Wrote GIF file: /home/apache/climate/data/raob//U3472/skewt/U3472.skewt.20250428.12.gif