Climate in Blytheville
Blytheville's climate carries the real four-season Delta profile common across northeast Arkansas, alongside a real, specific, historically significant hazard most of the state does not share: direct exposure to the New Madrid Seismic Zone.
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Learn moreA genuine four-season northeast Arkansas Delta climate
Blytheville experiences hot, humid summers and cold winters typical of the Mississippi River Delta region, with real, genuine four-season variation (base record).
Real, direct, historically significant New Madrid Seismic Zone exposure
The catastrophic 1811-1812 New Madrid earthquake series' first major shock (magnitude 7.7) struck near present-day Blytheville on December 16, 1811. The zone remains active today, averaging 200-300+ measured seismic events per year, with a real, current USGS-cited 7-10% probability of a magnitude 7.0+ event within 50 years (base record).
Real Dixie Alley tornado exposure
Northeast Arkansas, including Blytheville, sits within the real, documented Dixie Alley extension of Tornado Alley -- genuine tornado and severe-thunderstorm/hail risk applies alongside the earthquake hazard (base record).
Real Mississippi River Delta flood risk
Blytheville sits in the broader Mississippi River Delta, which carries real, documented river-flooding risk; this pass did not find a Blytheville-specific historical flood-crest figure distinct from the broader regional pattern (base record).
Key takeaways
- Blytheville sits directly within the New Madrid Seismic Zone -- a real, active, historically significant earthquake hazard.
- The zone's 1811 first major shock (M7.7) struck near present-day Blytheville; USGS cites ongoing 7-10% (M7.0+) and 25-40% (M6.0+) 50-year probabilities.
- Real Dixie Alley tornado exposure applies alongside the earthquake hazard.
- Real Mississippi River Delta flood risk applies; confirm a specific property's FEMA flood-zone status directly.
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