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The Dexes / Cold & Wind Chill / 213753

Eventdex · Cold & Wind Chill

JIM HOGG

213753

The record

Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.

Event typeevent_typeFrost/Freeze
NOAA NCEI event IDncei_event_id213,753
Episode IDepisode_id36,072
Begin UTCbegin_utc2010-01-09T02:00:00+00:00
End UTCend_utc2010-01-09T15:30:00+00:00
StatestateTEXAS
County/zone typecz_typeZ
County/zone namecz_nameJIM HOGG
Deaths directdeaths_direct0
Deaths indirectdeaths_indirect0
Injuries directinjuries_direct0
Injuries indirectinjuries_indirect0
Weather forecast office sourcewfo_sourceAWOS
Episode narrativeepisode_narrativeA blast of very cold Canadian air came sweeping down the Great Plains, migrating from the Yukon and Northwest Territories through Saskatchewan and Alberta Provinces, starting on January 6th. The high pressure cell, sourced near the Arctic Circle, brought sharply falling temperatures on January 7th, which would fall just below freezing across the Rio Grande Plains by daybreak of January 8th, and near freezing by mid to late morning on the 8th before struggling to rise into the mid 30s to near 40 toward evening under slate gray clouds, accompanied by a little sleet and rain mixed across the Lower Rio Grande Valley around midday.||Evening clouds on the 8th allowed a gradual temperature fall, but as skies cleared toward midnight, temperatures began a steady drop beginning across the Rio Grande Plains before midnight, spreading southeast and clearing the coast a couple of hours after midnight. By daybreak, all of Deep South Texas, save for the immediate coast and urban/developed locations, sustained hard freeze conditions.||Minimum temperatures ranged from the upper teens across the ranchlands of the Upper Rio Grande Valley of Zapata and Starr County stretching east through much of Jim Hogg, Brooks, northern Hidalgo, and into western Kenedy County. Elsewhere, lows ranged through the low and mid 20s, except mid and upper 20s in the urban pockets of McAllen/Pharr/Edinburg and toward the immediate coast from Brownsville to South Padre Island, who even touched 32.||The freeze on the 9th probably caused the most damage for the entire period, as insulating frost was confined to low lying, wind protected areas. Light winds and low humidity in most areas kept frost from developing.
Event narrativeevent_narrativeTemperatures fell below freezing during the mid evening of the 8th, and ultimately fell into the lower 20s across much of Jim Hogg County for more than 5 hours between 2 and 8 AM on the 9th. Freezing conditions lasted for 13 and a half hours; a hard freeze, defined as temperatures below 28 degrees, lasted up to 9 hours. Low temperatures reached 24 at Hebbronville Airport, but 19 at the cooperative location in town, where the sensor is at eye level and less affected by mixing winds.||Damage to grazing land was unknown as of this writing.
Yearyear2,010

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JIM HOGG — Cold & Wind Chill — TerraPulse