UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120600.upa.cvt Date: 0000Z 6 DEC 25 Searching for U4507... Searching the city database file for: U4507 ... Date:0000Z 6 DEC 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 78 SFC 985 185 -28.3 -33.3 62 5.0 -28.6 180 1 245.9 245.9 245.5 246.6 0.23 2 964 338 -26.3 -30.6 67 4.3 -26.6 149 2 249.5 249.5 248.9 250.3 0.31 3 945 480 -26.9 -31.1 68 4.2 -27.2 121 4 250.3 250.3 249.6 251.1 0.30 4 925 633 -24.1 -27.8 71 3.7 -24.5 90 5 254.7 254.7 253.7 255.8 0.42 5 890 921 -18.7 -21.4 79 2.7 -19.1 74 6 263.1 263.2 261.2 265.2 0.78 6 852 1251 -17.3 -19.7 82 2.4 -17.7 56 7 267.8 268.0 265.0 270.5 0.94 7 850 1269 -17.5 -19.8 82 2.3 -17.9 55 7 267.8 268.0 265.0 270.4 0.93 8 848 1287 -17.5 -19.8 82 2.3 -17.9 53 7 268.0 268.1 265.1 270.6 0.94 9 837 1384 -19.7 -22.4 79 2.7 -20.1 42 8 266.7 266.8 263.8 268.8 0.76 10 715 2539 -24.3 -27.2 77 2.9 -24.7 268 21 273.9 274.0 268.4 275.6 0.57 11 707 2620 -26.1 -28.9 77 2.8 -26.4 258 22 272.8 272.9 267.5 274.3 0.50 12 700 2692 -26.5 -29.2 78 2.7 -26.8 250 23 273.1 273.2 267.7 274.6 0.49 13 500 5040 -43.9 -47.2 70 3.3 -44.0 260 13 279.5 279.5 271.1 279.9 0.11 14 407 6389 -53.5 -57.0 65 3.5 -53.5 232 13 284.0 284.1 273.6 284.2 0.04 15 400 6500 -54.1 -57.6 65 3.5 -54.2 230 13 284.7 284.7 273.9 284.8 0.04 16 322 7878 -60.7 -64.2 63 3.5 -60.7 220 13 293.8 293.8 278.6 293.8 0.02 17 321 7898 -60.9 -64.4 63 3.5 -60.9 220 13 293.8 293.8 278.5 293.8 0.02 18 300 8320 -61.1 -64.5 64 3.4 -61.2 205 11 299.2 299.2 281.0 299.3 0.02 19 290 8529 -61.9 -65.3 64 3.4 -61.9 212 11 301.0 301.0 281.8 301.1 0.02 20 250 9450 -59.1 -62.8 62 3.7 -59.2 240 9 318.2 318.2 288.2 318.3 0.03 21 200 10860 -57.3 -61.1 62 3.8 -57.4 255 9 342.0 342.0 294.8 342.2 0.05 22 181 11489 -56.7 -60.5 62 3.8 -56.8 269 10 352.9 352.9 297.3 353.2 0.06 23 150 12670 -58.3 -62.6 58 4.3 -58.4 295 11 369.6 369.6 300.5 369.9 0.06 24 100 15200 -60.7 -65.0 57 4.3 -60.8 285 11 410.4 410.5 306.6 410.8 0.06 25 70 17410 -64.7 -69.4 52 4.7 -64.8 265 11 446.0 446.0 310.5 446.2 0.05 26 50 19430 -69.1 -74.1 48 5.0 -69.2 250 25 480.7 480.7 313.5 480.9 0.03 27 30 22470 -73.5 -78.5 46 5.0 -73.6 245 33 544.3 544.3 317.8 544.5 0.03 28 28 22873 -74.1 -79.1 46 5.0 -74.2 553.4 553.5 318.3 553.6 0.03 TRP 321 7898 -60.9 -64.4 63 3.5 -60.9 220 13 293.8 293.8 278.5 293.8 0.02 WND Sounding variables and indices 1000-500 mb thick: 4962.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.10 inches Sfc-500 mean rel hum: 74.94 % Est. max temperature: -7.51 C = 18.48 F Sfc-Lift cond lev (LCL): 905.18 mb = 794.82 m = 2607.63 ft T: -21.07 C 700-500 lapse rate: 7.41 C/km ThetaE index: 1.81 C Layer 837.0- 715.0 mb Conv cond level (CCL): 985.00 mb = 184.89 m = 606.59 ft Mean mixing ratio: 0.44 g/kg Conv temperature: -26.60 C = -15.87 F Cap Strength: 17.46 C Lifted Index: 20.06 C Risk: None Lifted Index @300 mb: 31.25 C Lifted Index @700 mb: 16.61 C Showalter Index: 7.61 C Risk: None Total Totals Index: 50.50 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 26.40 C Cross Totals Index: 24.10 C K Index: 3.90 Risk: None Sweat Index: 57.00 Risk: None Energy Index: 1.97 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 68.75 J/kg Max Up Vert Vel: 11.73 m/s Conv Inhibition (B-): 51207.37 J/kg Cap Strength: 19.91 C Lift Cond Lev (LCL): 888.23 mb = 936.20 m = 3071.47 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 283 at 11 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 ---------------------------------------------------------- 0 985 185 180 1 0.0 1.0 | 108 11 -10.2 3.3 1 925 633 90 5 -5.0 0.0 | 99 15 -15.2 2.3 2 850 1269 55 7 -5.7 -4.0 | 84 16 -16.0 -1.7 3 700 2692 250 23 21.6 7.9 | 228 15 11.4 10.2 4 500 5040 260 13 12.8 2.3 | 209 5 2.6 4.5 5 400 6500 230 13 10.0 8.4 | 178 11 -0.3 10.6 6 321 7898 220 13 8.4 10.0 | 171 12 -1.9 12.2 7 300 8320 205 11 4.6 10.0 | 155 13 -5.6 12.3 8 250 9450 240 9 7.8 4.5 | 160 7 -2.5 6.8 9 200 10860 255 9 8.7 2.3 | 161 5 -1.6 4.6 10 150 12670 295 11 10.0 -4.6 | 7 2 -0.3 -2.4 11 100 15200 285 11 10.6 -2.8 | 326 1 0.4 -0.6 12 70 17410 265 11 11.0 1.0 | 192 3 0.7 3.2 13 50 19430 250 25 23.5 8.6 | 231 17 13.2 10.8 14 30 22470 245 33 29.9 13.9 | 230 25 19.7 16.2 Wind Parameters Mean winds (0-6000m): 252.6 at 14.0 knts Storm direction: 282.6 at 10.5 knts Shear (0-3000m) pos: 0.4 neg: 3.9 tot: 4.2 10-3/s Storm rel Dir Shear (0-3000m): 120.1 deg Storm rel helicity (0-3000m) pos: 1.5 neg: -166.2 tot: -164.7 m^2/s^2 ave: -54.9 10^-3 m/s^2 rel: -0.86 Storm rel vorticity (0-3000m) horiz: 10.1 stream: -8.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.81 Bulk Shear: 37.90 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 99 3 102 14| 0.0 5.5 5.5| 1.5 -12.5 -11.0 -22.0 -0.42| 6.7 -2.8 1000 80 5 96 15| 0.0 3.8 3.8| 1.5 -26.0 -24.4 -24.4 -0.61| 5.0 -3.1 1500 55 6 86 15| 0.0 4.3 4.3| 1.5 -66.1 -64.6 -43.1 -0.79| 6.7 -5.3 2000 8 8 63 13| 0.0 4.6 4.6| 1.5-111.5-110.0 -55.0 -0.85| 9.1 -7.8 2500 258 11 180 5| 0.0 4.7 4.7| 1.5-164.9-163.3 -65.3 -0.88| 11.6-10.3 3000 253 12 194 6| 0.4 3.9 4.2| 1.5-166.2-164.7 -54.9 -0.86| 10.1 -8.6 4000 253 14 207 7| 0.8 2.9 3.8| 1.5-168.3-166.7 -41.7 -0.81| 8.1 -6.6 5000 254 14 209 7| 0.9 2.2 3.1| 1.5-171.8-170.2 -34.0 -0.79| 6.9 -5.5 6000 253 14 206 7| 0.8 1.8 2.6| 1.5-177.3-175.8 -29.3 -0.77| 6.2 -4.8 Wrote GIF file: /home/apache/climate/data/raob//U4507/skewt/U4507.skewt.20251206.00.gif