UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121912.upa.cvt Date: 1200Z 19 DEC 25 Searching for UIBB... Searching the city database file for: UIBB ... Date:1200Z 19 DEC 25 Station: UIBB WMO ident: 30309 Latitude: 56.07 Longitude: 101.83 Elevation: 489.00 ------------------------------------------------------------------------------- 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 238 SFC 977 489 -17.3 -20.3 77 3.0 -17.8 180 9 257.6 257.7 256.8 259.7 0.78 2 946 685 -18.9 -22.3 74 3.4 -19.4 230 14 258.3 258.4 257.2 260.2 0.67 3 937 743 -18.9 -22.2 75 3.3 -19.4 245 15 259.0 259.1 257.8 260.9 0.69 4 925 822 -19.1 -22.2 76 3.1 -19.6 265 17 259.8 259.9 258.5 261.7 0.70 5 887 1133 -20.3 -23.4 76 3.1 -20.7 267 19 261.7 261.8 259.9 263.5 0.65 6 850 1447 -22.7 -26.0 74 3.3 -23.1 270 21 262.4 262.5 260.2 263.9 0.54 7 804 1853 -25.3 -28.9 72 3.6 -25.7 273 23 263.8 263.9 261.0 265.1 0.44 8 715 2699 -28.3 -31.9 71 3.6 -28.6 279 26 269.5 269.6 265.1 270.6 0.37 9 700 2851 -29.5 -33.1 71 3.6 -29.8 280 27 269.8 269.9 265.2 270.8 0.34 10 569 4300 -38.9 -42.8 66 3.9 -39.1 277 23 275.2 275.3 268.5 275.7 0.15 11 559 4422 -38.3 -42.3 66 4.0 -38.5 277 23 277.4 277.4 269.8 277.9 0.17 12 500 5180 -43.3 -48.0 60 4.7 -43.5 275 21 280.2 280.3 271.5 280.6 0.10 13 461 5721 -47.3 -51.8 60 4.5 -47.4 260 20 281.8 281.9 272.3 282.1 0.07 14 400 6650 -51.5 -55.6 61 4.1 -51.6 235 17 288.1 288.1 275.7 288.2 0.05 15 386 6882 -52.3 -56.5 60 4.2 -52.4 239 17 290.0 290.0 276.7 290.1 0.05 16 338 7731 -58.5 -62.8 58 4.3 -58.5 256 19 292.7 292.7 278.0 292.8 0.02 17 326 7958 -59.1 -63.4 57 4.3 -59.2 260 19 294.9 294.9 279.1 295.0 0.02 18 300 8480 -59.5 -63.8 57 4.3 -59.6 270 17 301.5 301.5 282.0 301.6 0.02 19 270 9143 -59.5 -63.8 57 4.3 -59.6 282 19 310.7 310.7 285.6 310.8 0.03 20 250 9630 -57.3 -61.7 57 4.4 -57.4 290 21 320.9 320.9 289.0 321.0 0.04 21 200 11050 -55.1 -59.8 56 4.7 -55.2 290 31 345.5 345.5 295.7 345.8 0.06 22 174 11939 -53.5 -59.5 48 6.0 -53.7 290 31 362.2 362.2 299.2 362.5 0.07 23 150 12890 -53.7 -59.7 48 6.0 -53.9 290 31 377.5 377.6 301.9 377.9 0.08 24 100 15500 -53.5 -62.5 33 9.0 -53.9 285 35 424.4 424.4 308.3 424.8 0.09 25 70 17780 -54.1 -65.1 25 11.0 -54.7 285 36 468.6 468.7 312.5 469.1 0.09 26 55 19336 -52.3 -64.3 22 12.0 -53.2 281 37 506.2 506.3 315.4 507.0 0.12 27 50 19950 -54.7 -66.7 21 12.0 -55.5 280 38 514.6 514.6 316.0 515.2 0.10 28 47 20345 -55.3 -67.3 21 12.0 -56.1 522.3 522.4 316.5 522.9 0.10 29 39 21541 -53.3 -66.3 19 13.0 -54.5 556.0 556.1 318.5 556.9 0.13 TRP 326 7958 -59.1 -63.4 57 4.3 -59.2 260 19 294.9 294.9 279.1 295.0 0.02 WND Sounding variables and indices 1000-500 mb thick: 4942.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.09 inches Sfc-500 mean rel hum: 70.05 % Est. max temperature: -11.82 C = 10.73 F Sfc-Lift cond lev (LCL): 930.12 mb = 788.34 m = 2586.38 ft T: -19.01 C 700-500 lapse rate: 5.93 C/km ThetaE index: 0.00 C Layer 977.0-272008302207532160516096.0 mb Conv cond level (CCL): 836.16 mb = 1566.75 m = 5140.18 ft Mean mixing ratio: 0.69 g/kg Conv temperature: -12.10 C = 10.22 F Cap Strength: 13.54 C Lifted Index: 15.39 C Risk: None Lifted Index @300 mb: 28.28 C Lifted Index @700 mb: 8.04 C Showalter Index: 13.52 C Risk: None Total Totals Index: 37.90 C Risk: None Vertical Totals Index: 20.60 C Cross Totals Index: 17.30 C K Index: -9.00 Risk: None Sweat Index: 63.00 Risk: None Energy Index: 3.50 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 15.82 J/kg Max Up Vert Vel: 5.63 m/s Conv Inhibition (B-): 40820.80 J/kg Cap Strength: 15.11 C Lift Cond Lev (LCL): 878.75 mb = 1202.00 m = 3943.51 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 302 at 16 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 ---------------------------------------------------------- 0 977 489 180 9 0.0 9.0 | 142 22 -13.9 17.5 1 925 822 265 17 16.9 1.5 | 197 10 3.1 10.0 2 850 1447 270 21 21.0 -0.0 | 220 11 7.1 8.5 3 700 2851 280 27 26.6 -4.7 | 253 13 12.7 3.9 4 500 5180 275 21 20.9 -1.8 | 226 10 7.0 6.7 5 400 6650 235 17 13.9 9.8 | 180 18 0.0 18.3 6 326 7958 260 19 18.7 3.3 | 202 13 4.8 11.8 7 300 8480 270 17 17.0 -0.0 | 200 9 3.1 8.5 8 250 9630 290 21 19.7 -7.2 | 257 6 5.9 1.4 9 200 11050 290 31 29.1 -10.6 | 278 15 15.2 -2.1 10 150 12890 290 31 29.1 -10.6 | 278 15 15.2 -2.1 11 100 15500 285 35 33.8 -9.1 | 271 20 19.9 -0.5 12 70 17780 285 36 34.8 -9.3 | 272 21 20.9 -0.8 13 50 19950 280 38 37.4 -6.6 | 265 24 23.5 1.9 Wind Parameters Mean winds (0-6000m): 271.6 at 21.7 knts Storm direction: 301.6 at 16.3 knts Shear (0-3000m) pos: 5.1 neg: 0.2 tot: 5.3 10-3/s Storm rel Dir Shear (0-3000m): 105.4 deg Storm rel helicity (0-3000m) pos: 110.7 neg: -4.3 tot: 106.5 m^2/s^2 ave: 35.5 10^-3 m/s^2 rel: 0.78 Storm rel vorticity (0-3000m) horiz: 5.8 stream: 4.5 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 1.19 Bulk Shear: 13.34 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 ------------------------------------------------------------------------------- 500 250 14 178 14| 20.2 0.0 20.2| 79.9 0.0 79.9 159.8 0.81| 22.5 18.2 1000 261 17 194 12| 11.9 0.0 11.9| 89.5 0.0 89.5 89.5 0.83| 13.0 10.8 1500 265 18 204 11| 8.8 0.0 8.8| 97.0 0.0 97.0 64.6 0.85| 9.5 8.1 2000 269 20 214 11| 7.2 0.0 7.2|104.9 0.0 104.9 52.4 0.86| 7.8 6.7 2500 271 21 222 11| 6.1 0.0 6.1|110.7 -0.7 110.0 44.0 0.85| 6.7 5.7 3000 273 22 227 11| 5.1 0.2 5.3|110.7 -4.3 106.5 35.5 0.78| 5.8 4.5 4000 274 23 231 11| 3.8 0.5 4.3|110.7 -11.0 99.7 24.9 0.66| 4.7 3.1 5000 274 22 231 11| 3.0 0.9 3.9|110.7 -22.5 88.2 17.6 0.48| 4.3 2.1 6000 272 22 225 11| 2.5 1.5 4.0|110.7 -50.3 60.4 10.1 0.25| 4.4 1.1 Wrote GIF file: /home/apache/climate/data/raob//UIBB/skewt/UIBB.skewt.20251219.12.gif