UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102200.upa.cvt Date: 0000Z 22 OCT 25 Searching for U0744... Searching the city database file for: U0744 ... Date:0000Z 22 OCT 25 Station: U0744 WMO ident: 20744 Latitude: 72.37 Longitude: 52.73 ------------------------------------------------------------------------------- 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 1000 24 2.4 -0.4 82 2.8 1.3 240 9 275.5 276.2 274.4 285.7 3.71 1 975 227 2.2 -3.8 64 6.0 -0.1 248 12 277.4 277.9 274.3 285.6 2.96 2 925 648 -1.9 -4.7 81 2.8 -2.9 265 19 277.4 277.9 274.3 285.5 2.91 3 888 971 -5.1 -7.7 82 2.6 -6.0 263 19 277.3 277.7 273.5 284.1 2.41 4 850 1313 -7.1 -11.0 74 3.9 -8.3 260 19 278.7 279.0 273.6 284.2 1.94 5 814 1649 -9.5 -12.6 78 3.1 -10.4 261 20 279.6 279.9 273.9 284.8 1.78 6 705 2742 -17.5 -20.7 76 3.2 -18.1 265 25 282.5 282.7 274.3 285.6 1.04 7 700 2795 -18.1 -21.5 75 3.4 -18.8 265 25 282.4 282.6 274.2 285.4 0.98 8 565 4350 -31.5 -35.1 70 3.6 -31.8 259 25 284.5 284.6 274.3 285.6 0.34 9 500 5200 -39.3 -43.4 65 4.1 -39.5 255 25 285.1 285.2 274.4 285.7 0.16 10 447 5956 -47.1 -51.1 63 4.0 -47.2 265 31 284.6 284.6 273.9 284.9 0.08 11 400 6690 -48.5 -52.6 62 4.1 -48.6 275 36 292.0 292.0 277.7 292.2 0.07 12 350 7566 -50.5 -54.8 60 4.3 -50.6 280 38 300.6 300.6 281.7 300.9 0.06 13 300 8580 -46.9 -52.9 50 6.0 -47.1 285 42 319.3 319.3 288.6 319.6 0.09 14 284 8944 -46.3 -52.3 51 6.0 -46.6 283 41 325.2 325.2 290.5 325.6 0.11 15 278 9086 -46.7 -53.7 45 7.0 -47.0 283 40 326.6 326.6 290.8 326.9 0.09 16 250 9790 -46.9 -54.9 40 8.0 -47.2 280 38 336.3 336.4 293.5 336.7 0.09 17 210 10940 -47.7 -58.7 27 11.0 -48.1 288 38 352.3 352.3 297.2 352.6 0.07 18 200 11260 -49.1 -60.1 27 11.0 -49.5 290 38 355.0 355.0 297.7 355.3 0.06 19 175 12136 -50.9 -63.9 20 13.0 -51.3 283 33 365.9 365.9 299.8 366.1 0.04 20 150 13140 -51.7 -65.7 17 14.0 -52.1 275 27 381.0 381.0 302.4 381.2 0.04 21 100 15740 -55.3 -71.3 12 16.0 -55.8 260 21 420.9 420.9 307.8 421.0 0.03 22 82 16999 -59.1 -75.1 11 16.0 -59.5 249 22 437.7 437.7 309.7 437.8 0.02 23 76 17480 -56.5 -73.5 10 17.0 -57.1 245 23 452.7 452.7 311.1 452.9 0.02 24 70 18000 -58.9 -74.9 11 16.0 -59.3 240 23 458.4 458.4 311.6 458.5 0.02 25 65 18459 -62.3 -78.3 10 16.0 -62.6 241 21 460.8 460.8 311.8 460.8 0.01 26 50 20060 -65.9 -81.9 9 16.0 -66.1 245 13 488.2 488.2 314.1 488.2 0.01 27 48 20308 -65.1 -81.1 9 16.0 -65.4 245 13 495.8 495.8 314.7 495.9 0.01 28 39 21562 -68.3 -84.3 8 16.0 -68.5 247 14 518.1 518.1 316.2 518.1 0.01 29 36 22045 -65.5 -81.5 9 16.0 -65.8 248 14 537.3 537.3 317.3 537.4 0.01 30 30 23150 -66.7 -83.7 7 17.0 -67.1 250 15 562.8 562.8 318.8 562.9 0.01 31 26 24010 -69.1 -85.1 8 16.0 -69.4 579.5 579.5 319.6 579.6 0.01 32 24 24492 -66.1 -83.1 8 17.0 -66.6 601.6 601.6 320.7 601.8 0.02 33 20 25588 -69.9 -85.9 8 16.0 -70.3 622.2 622.2 321.6 622.3 0.01 TRP 350 7566 -50.5 -54.8 60 4.3 -50.6 280 38 300.6 300.6 281.7 300.9 0.06 WND Sounding variables and indices 1000-500 mb thick: 5176.32 m Freezing level: 948.17 mb = 453.13 m = 1486.63 ft Wetbulb zero: 977.30 mb = 208.52 m = 684.11 ft Precipitable water: 0.31 inches Sfc-500 mean rel hum: 73.77 % Est. max temperature: 5.56 C = 42.00 F Sfc-Lift cond lev (LCL): 957.45 mb = 372.61 m = 1222.47 ft T: 0.79 C 700-500 lapse rate: 8.81 C/km ThetaE index: 1.61 C Layer 975.0- 850.0 mb Conv cond level (CCL): 890.02 mb = 952.67 m = 3125.51 ft Mean mixing ratio: 2.98 g/kg Conv temperature: 4.16 C = 39.49 F Cap Strength: 0.82 C Lifted Index: 0.41 C Risk: Showers probable Lifted Index @300 mb: 24.04 C Lifted Index @700 mb: 0.63 C Showalter Index: 1.29 C Risk: Showers probable Total Totals Index: 60.50 C Risk: Severe Thunderstorms probable Vertical Totals Index: 32.20 C Cross Totals Index: 28.30 C K Index: 17.80 Risk: < 20 % chance of thunderstorms Sweat Index: 293.00 Risk: None Energy Index: 0.28 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 6.09 J/kg Max Up Vert Vel: 3.49 m/s Conv Inhibition (B-): 91.59 J/kg Cap Strength: 0.80 C Lift Cond Lev (LCL): 892.20 mb = 933.40 m = 3062.31 ft Lev Free Conv (LFC): 467.20 mb = 5657.71 m = 18561.82 ft Equ Level (EL): 447.20 mb = 5952.82 m = 19530.00 ft B at Equ Level: 6.08 J/kg Max Parcel Lev (MPL): 427.20 mb = 6255.27 m = 20522.29 ft Wind level data Storm motion: 291 at 17 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 1000 24 240 9 7.8 4.5 | 142 14 -8.3 10.7 1 1000 22 240 9 7.8 4.5 | 142 14 -8.3 10.7 2 925 648 265 19 18.9 1.7 | 200 8 2.8 7.8 3 850 1313 260 19 18.7 3.3 | 195 10 2.6 9.5 4 700 2795 265 25 24.9 2.2 | 226 12 8.8 8.3 5 500 5200 255 25 24.1 6.5 | 212 15 8.0 12.6 6 400 6690 275 36 35.9 -3.1 | 261 20 19.7 3.0 7 350 7566 280 38 37.4 -6.6 | 271 21 21.3 -0.4 8 300 8580 285 42 40.6 -10.9 | 281 25 24.4 -4.7 9 250 9790 280 38 37.4 -6.6 | 271 21 21.3 -0.4 10 200 11260 290 38 35.7 -13.0 | 289 21 19.6 -6.8 11 150 13140 275 27 26.9 -2.4 | 250 11 10.8 3.8 12 100 15740 260 21 20.7 3.6 | 205 11 4.5 9.8 13 70 18000 240 23 19.9 11.5 | 192 18 3.8 17.7 14 50 20060 245 13 11.8 5.5 | 159 12 -4.4 11.7 15 30 23150 250 15 14.1 5.1 | 170 11 -2.0 11.3 Wind Parameters Mean winds (0-6000m): 260.9 at 23.0 knts Storm direction: 290.9 at 17.3 knts Shear (0-3000m) pos: 2.6 neg: 0.3 tot: 3.0 10-3/s Storm rel Dir Shear (0-3000m): 82.8 deg Storm rel helicity (0-3000m) pos: 45.6 neg: -2.3 tot: 43.3 m^2/s^2 ave: 14.4 10^-3 m/s^2 rel: 0.78 Storm rel vorticity (0-3000m) horiz: 3.4 stream: 2.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.44 Bulk Shear: 13.81 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 ------------------------------------------------------------------------------- 500 255 13 159 10| 9.3 0.0 9.3| 23.9 0.0 23.9 47.9 0.88| 9.5 8.3 1000 260 16 177 9| 5.7 0.0 5.7| 29.2 -0.7 28.5 28.5 0.81| 6.4 5.2 1500 260 17 184 9| 3.8 0.3 4.2| 31.4 -1.4 30.0 20.0 0.76| 4.8 3.7 2000 261 18 190 9| 3.4 0.3 3.7| 36.9 -1.4 35.5 17.7 0.79| 4.1 3.3 2500 261 19 196 9| 3.2 0.2 3.4| 42.5 -1.4 41.1 16.5 0.80| 3.7 3.0 3000 262 20 202 10| 2.6 0.3 3.0| 45.6 -2.3 43.3 14.4 0.78| 3.4 2.6 4000 262 21 208 10| 2.0 0.4 2.4| 45.6 -7.0 38.5 9.6 0.65| 2.8 1.8 5000 261 22 211 11| 1.6 0.5 2.0| 45.6 -12.1 33.5 6.7 0.54| 2.4 1.3 6000 261 23 214 12| 2.0 0.4 2.4| 78.1 -12.6 65.5 10.9 0.64| 2.7 1.7 Wrote GIF file: /home/apache/climate/data/raob//U0744/skewt/U0744.skewt.20251022.00.gif