RUC2 FORECASTS

The first plot compares the RUC2 analysis 500 mb heights from the 12Z RUC2 (blue) to the 12Z Eta (orange); no major differences are obvious.

12Z 1/24/00 RUC2 vs. ETA 500 mb HEIGHTS

The next 2 plots compare the 12-hour forecasts from the same 2 cycles. The differences between the 2 models is greater than at 12Z. The RUC2 is slightly stronger with the 500mb low on the Carolina coast, and the Eta has slightly higher heights over the Great Lakes and the area from North Dakota into Canada.

12Z 1/24/00 RUC2 vs. ETA 500 mb HEIGHTS

Note: 500 low center is 5451m (orange) and 5447(blue)