SPC Mesoscale Analysis
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Operational EMC RAP
NEW: Double-click map for tornado climatology and environmental breakdowns.
Surface:
06/18/21 16 UTC
Model:
21061815f001
Trends/Forecast
-4 -2 -0
- SfcOA Diag -
+0 +2 +4 +6
- RAP/SfcOA Fcst -
Lat/Lon

Image overlays:
County Boundaries
County Warning Areas
Hiways & Cities
ARTCC Regions
NWS Watches & Warns
SPC Day1 Outlook

Image underlays:
None
Radar
Terrain
Population
Surface Obs
 

Current SPC Products
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Please contact John Hart, Corey Mead, and Rich Thompson if you have questions or comments regarding this page.
The fields shown on these pages are produced by SPC's SFCOA analysis system, primarily created and maintained by Phillip Bothwell.
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Choose Model Source

There are now two options for underlying model data.

EMC Operational RAP - This model replaced the Rapid Update Cycle (RUC) at EMC in May, 2012, and has been the base model to provide background fields for the mesoanalysis fields since that time.

Experimental ESRL RAPv2 - This model is being developed by ESRL/GSD as the next version of the RAP. Among the improvements, initial verification suggests this version more accurately portrays the boundary-layer environment.
NOTE: The ESRL RAPv2 data is experimental and may not be 24/7 reliable. Please be aware that RAPv2 data outages can occur and there may be times when the RAPv2-based mesoanalysis is not available.

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Please use with extreme caution.