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Grand Lake Rgnl, Oklahoma

Lat: 36.58N, Lon: 94.86W
Wx Zone: OKZ063
Warning FLW WEATHER ALERT - (More Info. Click Here) Warning

Issue Date: 510 AM CDT Fri Jul 20 2018
Expiration: 1015 GMT 21 2018
...EXCESSIVE HEAT AND HUMIDITY CONTINUE TODAY... This Outlook is for Northwest and West Central Arkansas as well as much of Eastern Oklahoma. .DAY ONE...Today and Tonight. SEVERE THUNDERSTORM. RISK...Limited. AREA...Northwest Arkansas and far Northeast Oklahoma. ONSET...This Evening. DANGEROUS HEAT. RISK...Significant. AREA...Eastern Oklahoma and northwest Arkansas. ONSET...Late Morning. DISCUSSION... An excessive heat warning has been posted for most of eastern Oklahoma and west central Arkansas, with a heat advisory in effect for northwest Arkansas and the remainder of eastern Oklahoma. Heat index values will range from 105 to 110 in the advisory area, with values up to 115 degrees in the warning area. Take appropriate heat safety measures to avoid heat-related illnesses. A frontal boundary will enter northwest Arkansas and northeast Oklahoma this evening. Scattered thunderstorms will be possible, mainly across these locations. A few storms will have severe potential, with damaging downburst winds as the primary threat. SPOTTER AND EMERGENCY MANAGEMENT ACTION STATEMENT... Local Spotter Activation May Be Needed. .DAYS TWO THROUGH SEVEN...Saturday through Thursday. SATURDAY and SUNDAY...Dangerous Heat Potential. MONDAY through THURSDAY...No Hazards. EXTENDED DISCUSSION... THe cold front will slowly push its way through most of eastern Oklahoma Saturday. Slightly cooler temperatures behind the front are expected, however locations across southeast Oklahoma will remain ahead of the front through the afternoon, with heat index values exceeding 105. The upper pattern will begin to shift late in the weekend, resulting in slightly cooler temperatures for the area for much of next week. EMERGENCY MANAGEMENT PLANNING STATEMENT... An increase in heat related responses is likely today, and again Saturday for much of eastern Oklahoma. Local heat response plans may experience an uptick in activation levels. contains additional information.

Issue Date: 351 AM CDT Fri Jul 20 2018
Expiration: 2100 GMT 20 2018
...EXCESSIVE HEAT WARNING IN EFFECT FROM NOON TODAY TO 9 PM CDT THIS EVENING... The National Weather Service in Tulsa has issued an Excessive Heat Warning, which is in effect from noon today to 9 PM CDT this evening. The Heat Advisory is no longer in effect. * HEAT INDEX VALUES...From 105 to 110 with potential for values near 115 degrees. * TEMPERATURE...High temperatures in the upper 90s to around 108. * Impacts...The combination of hot temperatures and high humidity will create a dangerous situation in which heat illnesses are possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take extra precautions if you work or spend time outside. When possible, reschedule strenuous activities to early morning or evening. Wear light weight and loose fitting clothing and drink plenty of water. Never leave people or pets in a closed, parked vehicle, as temperatures inside can reach over 150 degrees quickly, resulting in heat stroke and death. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency, call 911. &&