It added the likely cause of the fire was spontaneous combustion, which it said happened sometimes with wet hay. The post said: "When the internal temperature of hay rises above 130°F (55°C ...

Safety warnings have previously been issued about the risks of storing hay. In 2004, Devon and Somerset Fire Service said a fire was most likely to have started when heat in wet hay reacted with ...

Wet hay results in mold and lower forage quality ... All other moisture levels had similar maximum temperatures to 12 percent moisture. Fire can occur when bale temperatures reach 150 F and is likely ...

Proper moisture at baling is the single biggest hay fire risk factor. Hay baled at less than 15 percent moisture has a very low risk of fire (table 1). As bale moisture increases, fire risk increases.

“Wet soils, humid conditions and frequent rains have not been ... Alert fire service of a possible hay fire incident. Temperature 190 degrees F -- Remove hot hay. This should be done with the ...