UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041600.upa.cvt Date: 0000Z 16 APR 25 Searching for U4507... Searching the city database file for: U4507 ... Date:0000Z 16 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 62 SFC 984 186 -10.3 -15.1 68 4.8 -11.4 250 5 264.1 264.3 262.7 267.4 1.20 2 968 313 -9.1 -16.1 57 7.0 -10.7 257 11 266.5 266.7 264.4 269.6 1.12 3 925 664 -10.3 -16.3 61 6.0 -11.6 275 27 268.8 269.0 266.0 272.0 1.16 4 871 1124 -12.3 -18.3 61 6.0 -13.6 289 26 271.4 271.5 267.5 274.3 1.04 5 850 1310 -13.9 -19.9 60 6.0 -15.1 295 25 271.6 271.7 267.5 274.2 0.93 6 700 2743 -25.5 -31.5 57 6.0 -26.2 295 31 274.2 274.3 268.3 275.4 0.39 7 568 4233 -36.7 -42.7 54 6.0 -37.0 295 27 278.0 278.0 270.2 278.5 0.16 8 500 5110 -42.3 -48.3 52 6.0 -42.5 295 25 281.5 281.5 272.2 281.8 0.10 9 433 6068 -47.5 -53.5 50 6.0 -47.7 295 29 286.7 286.7 275.0 286.9 0.06 10 432 6083 -47.5 -53.5 50 6.0 -47.7 295 29 286.9 286.9 275.1 287.1 0.06 11 400 6590 -47.1 -53.1 50 6.0 -47.3 305 33 293.8 293.8 278.6 294.0 0.07 12 321 8050 -47.3 -55.3 39 8.0 -47.6 294 31 312.6 312.6 286.4 312.8 0.07 13 300 8500 -46.3 -55.3 35 9.0 -46.6 290 31 320.1 320.1 288.9 320.4 0.07 14 250 9720 -43.5 -56.5 22 13.0 -44.1 285 33 341.4 341.4 294.7 341.7 0.07 15 242 9940 -41.3 -55.3 21 14.0 -42.1 283 31 347.9 347.9 296.3 348.3 0.09 16 200 11230 -44.1 -60.1 15 16.0 -44.9 270 17 362.9 363.0 299.3 363.2 0.06 17 199 11263 -44.1 -60.1 15 16.0 -44.9 270 17 363.5 363.5 299.4 363.7 0.06 18 184 11790 -41.7 -60.7 11 19.0 -42.8 269 19 375.6 375.6 301.6 375.9 0.06 19 150 13160 -44.7 -65.7 8 21.0 -45.7 265 23 393.0 393.0 304.3 393.2 0.04 20 117 14816 -47.9 -69.9 6 22.0 -48.8 262 23 416.1 416.1 307.3 416.2 0.03 21 100 15860 -45.5 -68.5 6 23.0 -46.9 260 23 439.8 439.8 309.8 440.0 0.04 22 82 17171 -48.7 -71.7 5 23.0 -49.9 271 19 459.0 459.0 311.7 459.1 0.03 23 73 17941 -44.9 -68.9 5 24.0 -46.8 278 16 482.5 482.5 313.7 482.8 0.05 24 70 18220 -46.1 -70.1 5 24.0 -47.9 280 15 485.8 485.8 313.9 486.0 0.04 25 60 19238 -49.9 -73.9 4 24.0 -51.3 287 12 499.2 499.2 314.9 499.3 0.03 26 54 19932 -46.7 -71.7 4 25.0 -48.8 292 10 521.8 521.8 316.4 522.1 0.04 27 50 20440 -49.5 -73.5 4 24.0 -51.2 295 9 526.8 526.8 316.8 527.1 0.04 28 47 20844 -50.9 -74.9 4 24.0 -52.5 297 10 532.9 532.9 317.1 533.1 0.03 29 30 23770 -50.7 -74.7 4 24.0 -53.0 310 15 606.4 606.4 320.9 606.8 0.05 30 20 26400 -51.5 -76.5 3 25.0 -54.5 290 21 678.5 678.6 323.7 679.0 0.06 31 16 27842 -53.7 -77.7 4 24.0 -56.6 716.1 716.1 325.0 716.6 0.06 32 14 28708 -49.3 -74.3 4 25.0 -53.8 758.9 758.9 326.2 759.9 0.12 TRP 433 6068 -47.5 -53.5 50 6.0 -47.7 295 29 286.7 286.7 275.0 286.9 0.06 WND Sounding variables and indices 1000-500 mb thick: 5048.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.13 inches Sfc-500 mean rel hum: 57.03 % Est. max temperature: -2.53 C = 27.44 F Sfc-Lift cond lev (LCL): 910.86 mb = 781.92 m = 2565.33 ft T: -10.81 C 700-500 lapse rate: 7.10 C/km ThetaE index: 0.07 C Layer 850.0- 700.0 mb Conv cond level (CCL): 787.16 mb = 1876.89 m = 6157.69 ft Mean mixing ratio: 1.13 g/kg Conv temperature: -1.70 C = 28.94 F Cap Strength: 6.05 C Lifted Index: 8.48 C Risk: None Lifted Index @300 mb: 34.54 C Lifted Index @700 mb: 3.89 C Showalter Index: 6.20 C Risk: None Total Totals Index: 50.80 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 28.40 C Cross Totals Index: 22.40 C K Index: 2.50 Risk: None Sweat Index: 111.00 Risk: None Energy Index: 1.55 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 20.40 J/kg Max Up Vert Vel: 6.39 m/s Conv Inhibition (B-): 60834.09 J/kg Cap Strength: 8.36 C Lift Cond Lev (LCL): 843.97 mb = 1362.57 m = 4470.33 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 323 at 20 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 ---------------------------------------------------------- 0 984 186 250 5 4.7 1.7 | 157 19 -7.4 17.7 1 925 664 275 27 26.9 -2.4 | 227 20 14.8 13.7 2 850 1310 295 25 22.7 -10.6 | 243 12 10.6 5.5 3 700 2743 295 31 28.1 -13.1 | 260 16 16.0 2.9 4 500 5110 295 25 22.7 -10.6 | 243 12 10.6 5.5 5 433 6068 295 29 26.3 -12.3 | 255 15 14.2 3.8 6 400 6590 305 33 27.0 -18.9 | 281 15 15.0 -2.9 7 300 8500 290 31 29.1 -10.6 | 252 18 17.0 5.4 8 250 9720 285 33 31.9 -8.5 | 249 21 19.8 7.5 9 200 11230 270 17 17.0 -0.0 | 197 17 4.9 16.0 10 150 13160 265 23 22.9 2.0 | 211 21 10.8 18.0 11 100 15860 260 23 22.7 4.0 | 208 23 10.6 20.0 12 70 18220 280 15 14.8 -2.6 | 191 14 2.7 13.4 13 50 20440 295 9 8.2 -3.8 | 162 13 -3.9 12.2 14 30 23770 310 15 11.5 -9.6 | 175 6 -0.6 6.4 15 20 26400 290 21 19.7 -7.2 | 221 12 7.7 8.9 Wind Parameters Mean winds (0-6000m): 293.0 at 26.8 knts Storm direction: 323.0 at 20.1 knts Shear (0-3000m) pos: 4.0 neg: 0.6 tot: 4.6 10-3/s Storm rel Dir Shear (0-3000m): 99.8 deg Storm rel helicity (0-3000m) pos: 147.2 neg: -2.5 tot: 144.7 m^2/s^2 ave: 48.2 10^-3 m/s^2 rel: 0.79 Storm rel vorticity (0-3000m) horiz: 6.7 stream: 5.3 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.92 Bulk Shear: 22.18 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 ------------------------------------------------------------------------------- 500 271 16 196 16| 23.2 0.0 23.2|115.2 0.0 115.2 230.3 0.99| 24.0 23.9 1000 279 21 215 16| 11.2 0.0 11.2|130.0 0.0 130.0 130.0 0.87| 15.7 13.7 1500 285 23 224 14| 8.0 0.0 8.0|136.4 0.0 136.4 91.0 0.85| 11.5 9.8 2000 288 24 231 14| 6.0 0.5 6.5|141.7 0.0 141.7 70.8 0.84| 9.2 7.7 2500 290 25 237 14| 4.8 0.9 5.7|146.9 0.0 146.9 58.8 0.83| 7.8 6.4 3000 291 26 241 14| 4.0 0.6 4.6|147.2 -2.5 144.7 48.2 0.79| 6.7 5.3 4000 292 27 244 14| 3.0 0.1 3.1|147.2 -8.9 138.3 34.6 0.70| 5.3 3.7 5000 293 27 245 14| 2.4 0.1 2.5|147.8 -14.5 133.3 26.7 0.63| 4.5 2.8 6000 293 27 246 14| 2.2 0.1 2.3|162.8 -14.5 148.2 24.7 0.64| 4.2 2.7 Wrote GIF file: /home/apache/climate/data/raob//U4507/skewt/U4507.skewt.20250416.00.gif