UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042612.upa.cvt Date: 1200Z 26 APR 25 Searching for U7995... Searching the city database file for: U7995 ... Date:1200Z 26 APR 25 Station: U7995 WMO ident: 27995 Latitude: 52.98 Longitude: 49.43 ------------------------------------------------------------------------------- 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 15 170 5 SFC 996 50 20.6 12.6 60 8.0 15.6 170 5 294.1 295.7 288.9 320.6 9.23 2 938 567 17.8 5.8 45 12.0 11.0 223 8 296.3 297.4 286.9 314.4 6.17 3 925 687 16.8 5.8 48 11.0 10.6 235 9 296.5 297.6 287.0 314.8 6.26 4 863 1269 10.6 2.6 58 8.0 6.4 256 12 296.0 296.9 285.9 311.7 5.35 5 850 1395 9.8 1.8 57 8.0 5.7 260 13 296.4 297.3 285.9 311.5 5.13 6 700 2970 -3.3 -8.3 68 5.0 -5.3 255 23 298.8 299.4 284.5 307.7 2.92 7 555 4762 -16.5 -20.8 69 4.3 -17.6 245 20 303.7 304.0 284.5 308.0 1.31 8 527 5149 -18.7 -22.3 73 3.6 -19.6 242 20 305.6 305.8 285.1 309.6 1.21 9 500 5540 -20.9 -25.9 64 5.0 -21.9 240 19 307.6 307.7 285.5 310.6 0.93 10 493 5644 -21.1 -28.1 53 7.0 -22.4 240 20 308.6 308.7 285.7 311.1 0.77 11 410 6976 -32.9 -49.9 17 17.0 -34.0 240 30 310.0 310.1 285.5 310.4 0.10 12 400 7150 -33.9 -49.9 18 16.0 -34.9 240 31 310.9 310.9 285.8 311.3 0.10 13 391 7308 -35.5 -47.5 28 12.0 -36.3 239 31 310.9 310.9 285.8 311.4 0.13 14 356 7953 -38.9 -45.9 48 7.0 -39.4 236 33 314.7 314.8 287.2 315.4 0.18 15 300 9100 -47.9 -52.8 57 4.9 -48.1 230 36 317.8 317.9 288.2 318.2 0.10 16 293 9256 -49.5 -54.1 58 4.6 -49.7 229 38 317.7 317.7 288.1 318.0 0.08 17 250 10280 -58.7 -63.2 56 4.5 -58.7 225 54 318.8 318.8 288.4 318.9 0.03 18 241 10508 -60.7 -64.8 58 4.1 -60.7 230 50 319.2 319.2 288.5 319.3 0.03 19 200 11680 -55.1 -59.6 57 4.5 -55.2 240 35 345.5 345.5 295.7 345.8 0.06 20 172 12639 -54.1 -58.9 55 4.8 -54.2 230 37 362.4 362.4 299.2 362.7 0.08 21 166 12869 -48.5 -53.5 56 5.0 -48.8 227 37 375.5 375.5 301.6 376.2 0.16 22 153 13401 -49.5 -54.5 56 5.0 -49.8 221 38 382.6 382.6 302.8 383.3 0.15 23 150 13530 -50.5 -55.5 55 5.0 -50.8 220 38 383.1 383.1 302.8 383.7 0.14 24 141 13932 -52.7 -58.7 48 6.0 -52.9 223 38 386.0 386.1 303.3 386.5 0.10 25 130 14460 -49.1 -56.1 44 7.0 -49.6 227 37 401.6 401.6 305.5 402.3 0.15 26 100 16170 -52.3 -62.3 29 10.0 -52.8 240 35 426.7 426.7 308.5 427.1 0.09 27 85 17210 -57.5 -68.5 23 11.0 -57.9 245 30 436.5 436.5 309.6 436.7 0.04 28 75 18008 -53.7 -66.7 19 13.0 -54.4 248 25 460.3 460.3 311.8 460.7 0.06 29 70 18450 -55.7 -69.7 16 14.0 -56.3 250 23 465.2 465.2 312.3 465.5 0.05 30 50 20580 -57.7 -73.7 11 16.0 -58.4 250 19 507.5 507.5 315.5 507.7 0.04 31 40 21996 -55.7 -72.7 10 17.0 -56.8 246 16 546.0 546.0 317.9 546.3 0.05 32 35 22839 -59.7 -76.7 9 17.0 -60.4 243 13 556.8 556.8 318.5 557.0 0.03 33 30 23810 -56.7 -74.7 9 18.0 -57.9 240 11 590.1 590.1 320.2 590.4 0.05 34 28 24249 -55.1 -74.1 8 19.0 -56.6 238 10 606.3 606.3 320.9 606.7 0.06 35 20 26400 -54.7 -73.7 8 19.0 -56.8 230 7 668.7 668.8 323.4 669.5 0.09 36 15 28253 -52.5 -72.5 7 20.0 -55.7 228 10 733.4 733.5 325.5 734.7 0.14 37 14 28704 -48.3 -69.3 7 21.0 -53.0 227 11 762.3 762.4 326.3 764.5 0.24 38 13 29192 -48.7 -68.7 8 20.0 -53.4 227 12 777.2 777.3 326.7 779.9 0.28 39 10 30940 -43.1 -64.1 8 21.0 -50.8 225 15 858.7 859.0 328.7 866.1 0.69 40 9.4 31357 -42.5 -63.5 8 21.0 -50.7 876.3 876.7 329.1 885.0 0.80 TRP 241 10508 -60.7 -64.8 58 4.1 -60.7 230 50 319.2 319.2 288.5 319.3 0.03 WND Sounding variables and indices 1000-500 mb thick: 5525.00 m Freezing level: 737.79 mb = 2573.24 m = 8442.30 ft Wetbulb zero: 771.92 mb = 2176.62 m = 7141.05 ft Precipitable water: 0.80 inches Sfc-500 mean rel hum: 63.61 % Est. max temperature: 22.99 C = 73.38 F Sfc-Lift cond lev (LCL): 884.73 mb = 1060.47 m = 3479.18 ft T: 12.82 C 700-500 lapse rate: 6.85 C/km ThetaE index: 7.10 C Layer 863.0- 555.0 mb Conv cond level (CCL): 794.04 mb = 1947.42 m = 6389.10 ft Mean mixing ratio: 7.01 g/kg Conv temperature: 23.84 C = 74.92 F Cap Strength: 1.23 C Lifted Index: -2.29 C Risk: Severe thunderstorms possible Lifted Index @300 mb: 1.59 C Lifted Index @700 mb: -2.03 C Showalter Index: 0.47 C Risk: Thunderstorms probable Total Totals Index: 53.40 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 30.70 C Cross Totals Index: 22.70 C K Index: 27.50 Risk: 40-60 % chance of thunderstorms Sweat Index: 154.60 Risk: None Energy Index: -0.22 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 516.01 J/kg Max Up Vert Vel: 32.13 m/s Conv Inhibition (B-): 35.79 J/kg Cap Strength: 1.23 C Lift Cond Lev (LCL): 812.84 mb = 1757.61 m = 5766.38 ft Lev Free Conv (LFC): 767.84 mb = 2219.61 m = 7282.10 ft Equ Level (EL): 347.84 mb = 8108.53 m = 26602.46 ft B at Equ Level: 514.41 J/kg Max Parcel Lev (MPL): 207.84 mb = 11438.37 m = 37527.00 ft Wind level data Storm motion: 279 at 13 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 ---------------------------------------------------------- 0 996 50 170 5 -0.9 4.9 | 116 16 -14.0 6.9 1 925 687 235 9 7.4 5.2 | 141 9 -5.8 7.2 2 850 1395 260 13 12.8 2.3 | 175 4 -0.3 4.3 3 700 2970 255 23 22.2 6.0 | 229 12 9.1 7.9 4 500 5540 240 19 16.5 9.5 | 196 12 3.3 11.5 5 400 7150 240 31 26.8 15.5 | 218 22 13.7 17.5 6 300 9100 230 36 27.6 23.1 | 210 29 14.4 25.1 7 250 10280 225 54 38.2 38.2 | 212 47 25.0 40.2 8 241 10508 230 50 38.3 32.1 | 216 42 25.2 34.1 9 200 11680 240 35 30.3 17.5 | 221 26 17.2 19.5 10 150 13530 220 38 24.4 29.1 | 200 33 11.3 31.1 11 100 16170 240 35 30.3 17.5 | 221 26 17.2 19.5 12 70 18450 250 23 21.6 7.9 | 221 13 8.5 9.9 13 50 20580 250 19 17.9 6.5 | 209 10 4.7 8.5 14 30 23810 240 11 9.5 5.5 | 154 8 -3.6 7.5 15 20 26400 230 7 5.4 4.5 | 130 10 -7.8 6.5 16 10 30940 225 15 10.6 10.6 | 169 13 -2.5 12.6 Wind Parameters Mean winds (0-6000m): 248.6 at 17.7 knts Storm direction: 278.6 at 13.3 knts Shear (0-3000m) pos: 2.5 neg: 1.5 tot: 4.1 10-3/s Storm rel Dir Shear (0-3000m): 111.4 deg Storm rel helicity (0-3000m) pos: 37.2 neg: -0.6 tot: 36.6 m^2/s^2 ave: 12.2 10^-3 m/s^2 rel: 0.60 Storm rel vorticity (0-3000m) horiz: 4.3 stream: 2.6 10^-3/s Energy-Hel index: 0.10 Bulk Rich Number: 20.92 Bulk Shear: 24.67 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 ------------------------------------------------------------------------------- 500 206 7 128 13| 6.5 0.0 6.5| 17.8 0.0 17.8 35.6 0.73| 6.8 5.0 1000 227 8 136 10| 5.7 0.0 5.7| 24.2 0.0 24.2 24.2 0.64| 6.1 3.9 1500 241 10 144 8| 5.1 0.0 5.1| 28.2 0.0 28.2 18.8 0.66| 5.5 3.6 2000 248 11 155 7| 3.8 0.8 4.6| 31.6 0.0 31.6 15.8 0.67| 4.9 3.3 2500 251 13 169 6| 3.0 1.3 4.4| 34.9 0.0 34.9 13.9 0.64| 4.6 3.0 3000 252 14 183 6| 2.5 1.5 4.1| 37.2 -0.6 36.6 12.2 0.60| 4.3 2.6 4000 252 16 198 7| 1.9 1.0 2.9| 37.2 -9.2 28.0 7.0 0.44| 3.6 1.6 5000 250 17 201 8| 1.5 0.8 2.3| 37.2 -17.4 19.8 4.0 0.32| 3.1 1.0 6000 249 18 202 9| 1.3 0.9 2.2| 45.3 -21.1 24.3 4.0 0.31| 3.0 0.9 Wrote GIF file: /home/apache/climate/data/raob//U7995/skewt/U7995.skewt.20250426.12.gif