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 U3955... Searching the city database file for: U3955 ... Date:1200Z 20 APR 25 Station: U3955 WMO ident: 23955 Latitude: 60.43 Longitude: 77.87 ------------------------------------------------------------------------------- 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 -55 SFC 987 50 1.2 -4.8 64 6.0 -1.0 300 5 275.4 275.8 272.8 282.9 2.71 2 925 568 -2.9 -8.9 63 6.0 -4.8 310 9 276.3 276.7 272.5 282.3 2.10 3 850 1231 -8.3 -11.9 75 3.6 -9.4 305 19 277.5 277.8 272.6 282.6 1.80 4 700 2706 -18.5 -19.6 91 1.1 -18.7 265 35 282.0 282.2 274.2 285.4 1.15 5 505 5089 -29.3 -48.3 14 19.0 -30.6 284 53 296.5 296.5 279.9 296.8 0.09 6 500 5160 -29.9 -49.9 13 20.0 -31.2 285 54 296.6 296.6 280.0 296.9 0.08 7 418 6417 -37.5 -57.5 11 20.0 -38.3 285 62 302.4 302.4 282.4 302.6 0.04 8 400 6720 -38.3 -58.3 10 20.0 -39.1 285 64 305.2 305.2 283.5 305.3 0.04 9 346 7713 -41.0 -62.4 8 21.4 -41.7 285 69 314.5 314.5 286.9 314.6 0.02 10 326 8118 -42.1 -64.1 7 22.0 -42.8 285 68 318.4 318.4 288.2 318.4 0.02 11 300 8680 -42.9 -64.9 7 22.0 -43.6 285 66 324.9 324.9 290.3 325.0 0.02 12 253 9820 -44.9 -67.9 6 23.0 -45.5 285 62 338.2 338.2 293.9 338.2 0.02 13 250 9900 -44.7 -67.7 6 23.0 -45.3 285 62 339.6 339.6 294.3 339.7 0.02 14 200 11390 -44.1 -68.1 5 24.0 -45.0 285 54 362.9 362.9 299.3 363.0 0.02 15 196 11526 -43.9 -67.9 5 24.0 -44.8 285 53 365.4 365.4 299.7 365.5 0.02 16 150 13310 -48.1 -72.1 5 24.0 -48.8 290 40 387.2 387.2 303.4 387.3 0.02 17 100 15970 -50.9 -73.9 5 23.0 -51.7 310 27 429.4 429.4 308.8 429.5 0.02 18 99 16035 -50.9 -73.9 5 23.0 -51.7 310 27 430.6 430.6 308.9 430.7 0.02 19 70 18280 -50.9 -73.9 5 23.0 -52.0 300 23 475.5 475.5 313.1 475.6 0.02 20 54 19962 -50.9 -73.9 5 23.0 -52.3 288 17 512.1 512.1 315.8 512.3 0.03 21 50 20460 -51.5 -74.5 5 23.0 -52.9 285 15 522.1 522.1 316.5 522.3 0.03 22 30 23760 -53.1 -76.1 4 23.0 -54.9 235 23 599.9 599.9 320.6 600.2 0.04 23 29 23979 -53.3 -76.3 4 23.0 -55.2 233 24 605.2 605.2 320.9 605.5 0.04 24 20 26390 -50.7 -74.7 4 24.0 -53.9 215 31 681.0 681.0 323.8 681.6 0.08 25 19 26724 -50.5 -74.5 4 24.0 -53.8 691.7 691.7 324.2 692.4 0.08 TRP 326 8118 -42.1 -64.1 7 22.0 -42.8 285 68 318.4 318.4 288.2 318.4 0.02 WND 346 7713 -41.0 -62.4 8 21.4 -41.7 285 69 314.5 314.5 286.9 314.6 0.02 Sounding variables and indices 1000-500 mb thick: 5215.00 m Freezing level: 968.85 mb = 201.77 m = 661.96 ft Wetbulb zero: Below ground Precipitable water: 0.26 inches Sfc-500 mean rel hum: 63.87 % Est. max temperature: 3.64 C = 38.55 F Sfc-Lift cond lev (LCL): 898.92 mb = 792.22 m = 2599.12 ft T: -4.73 C 700-500 lapse rate: 4.65 C/km ThetaE index: 0.61 C Layer 925.0- 850.0 mb Conv cond level (CCL): 833.01 mb = 1384.41 m = 4541.97 ft Mean mixing ratio: 2.26 g/kg Conv temperature: 3.75 C = 38.75 F Cap Strength: 12.05 C Lifted Index: 12.09 C Risk: None Lifted Index @300 mb: 30.09 C Lifted Index @700 mb: 2.34 C Showalter Index: 11.97 C Risk: None Total Totals Index: 39.60 C Risk: None Vertical Totals Index: 21.60 C Cross Totals Index: 18.00 C K Index: 8.60 Risk: None Sweat Index: 92.00 Risk: None Energy Index: 2.95 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 5.60 J/kg Max Up Vert Vel: 3.35 m/s Conv Inhibition (B-): 54846.40 J/kg Cap Strength: 12.03 C Lift Cond Lev (LCL): 855.59 mb = 1179.59 m = 3870.00 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 311 at 27 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 ---------------------------------------------------------- 0 987 50 300 5 4.3 -2.5 | 134 22 -16.0 15.2 1 925 568 310 9 6.9 -5.8 | 132 18 -13.4 11.9 2 850 1231 305 19 15.6 -10.9 | 145 8 -4.7 6.8 3 700 2706 265 35 34.9 3.1 | 215 25 14.6 20.7 4 500 5160 285 54 52.2 -14.0 | 263 32 31.9 3.7 5 400 6720 285 64 61.8 -16.6 | 268 42 41.5 1.1 6 346 7713 285 69 66.6 -17.9 | 270 46 46.4 -0.2 7 326 8118 285 68 65.7 -17.6 | 270 45 45.4 0.1 8 300 8680 285 66 63.8 -17.1 | 269 43 43.5 0.6 9 250 9900 285 62 59.9 -16.0 | 268 40 39.6 1.6 10 200 11390 285 54 52.2 -14.0 | 263 32 31.9 3.7 11 150 13310 290 40 37.6 -13.7 | 257 18 17.3 4.0 12 100 15970 310 27 20.7 -17.4 | 232 0 0.4 0.3 13 70 18280 300 23 19.9 -11.5 | 176 6 -0.4 6.2 14 50 20460 285 15 14.5 -3.9 | 157 15 -5.8 13.8 15 30 23760 235 23 18.8 13.2 | 177 31 -1.5 30.9 16 20 26390 215 31 17.8 25.4 | 177 43 -2.5 43.1 Wind Parameters Mean winds (0-6000m): 281.0 at 35.9 knts Storm direction: 311.0 at 26.9 knts Shear (0-3000m) pos: 0.7 neg: 5.4 tot: 6.1 10-3/s Storm rel Dir Shear (0-3000m): 88.7 deg Storm rel helicity (0-3000m) pos: 56.9 neg: -3.9 tot: 53.0 m^2/s^2 ave: 17.7 10^-3 m/s^2 rel: 0.38 Storm rel vorticity (0-3000m) horiz: 7.2 stream: 2.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.05 Bulk Shear: 117.12 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 ------------------------------------------------------------------------------- 500 306 7 133 20| 4.1 0.0 4.1| 0.0 -3.1 -3.1 -6.2 -0.15| 4.2 -0.6 1000 307 10 133 17| 2.1 3.8 5.9| 5.3 -3.1 2.2 2.2 0.08| 5.9 0.4 1500 304 13 137 14| 1.4 4.8 6.2| 17.3 -3.1 14.2 9.5 0.35| 6.5 2.2 2000 298 16 149 12| 1.0 5.2 6.3| 30.9 -3.1 27.8 13.9 0.44| 6.9 3.1 2500 289 19 169 12| 0.8 5.6 6.4| 36.3 -3.1 33.2 13.3 0.37| 7.4 2.7 3000 282 22 184 13| 0.7 5.4 6.1| 56.9 -3.9 53.0 17.7 0.38| 7.2 2.8 4000 278 27 204 15| 1.8 4.1 5.8|124.1 -3.9 120.2 30.1 0.49| 6.6 3.3 5000 279 32 221 17| 2.5 3.3 5.7|201.2 -3.9 197.4 39.5 0.57| 6.4 3.6 6000 281 36 234 18| 2.3 3.0 5.3|228.3 -3.9 224.4 37.4 0.56| 5.9 3.3 Wrote GIF file: /home/apache/climate/data/raob//U3955/skewt/U3955.skewt.20250420.12.gif