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WHAT: Thunderstorms will initially develop over the Mogollon Rim and other sky islands of Southeast Arizona, then track southwest into the valleys of Southeast Arizona and become widespread during the late afternoon, then move across the lower deserts of Southeast Arizona through the evening. The stronger storms will produce organized thunderstorm outflow winds between 45-55 mph, resulting in dense blowing dust with visibility between one-quarter and one-half mile and possibly a haboob with near-zero visibility. For the Extreme Heat Warning, dangerously hot conditions with temperatures 101 to 106. Major to Extreme HeatRisk is expected.
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WHERE: Eastern Cochise County below 5000 feet, Tucson Metro Area, Upper Gila River Valley, Upper San Pedro River Valley, and Upper Santa Cruz River Valley/Altar Valley.
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WHEN: Until 8 PM MST this evening.
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IMPACTS: Hazardous driving conditions due to reduced visibility. Heat related illnesses increase significantly during extreme heat events.
* WHAT...Thunderstorms will initially develop over the Mogollon Rim and other sky islands of Southeast Arizona, then track southwest into the valleys of Southeast Arizona and become widespread during the late afternoon, then move across the lower deserts of Southeast Arizona through the evening. The stronger storms will produce organized thunderstorm outflow winds between 45-55 mph, resulting in dense blowing dust with visibility between one-quarter and one-half mile and possibly a haboob with near-zero visibility. For the Extreme Heat Warning, dangerously hot conditions with temperatures 101 to 106. Major to Extreme HeatRisk is expected. * WHERE...Eastern Cochise County below 5000 feet, Tucson Metro Area, Upper Gila River Valley, Upper San Pedro River Valley, and Upper Santa Cruz River Valley/Altar Valley. * WHEN...Until 8 PM MST this evening. * IMPACTS...Hazardous driving conditions due to reduced visibility. Heat related illnesses increase significantly during extreme heat events.
Persons with respiratory problems should make preparations to stay indoors until the storm passes. Be ready for a sudden drop in visibility to near zero. If you encounter blowing dust or blowing sand on the roadway or see it approaching, pull off the road as far as possible and put your vehicle in park. Turn the lights all the way off and keep foot off the brake pedal. Remember, 'Pull Aside, Stay Alive'. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. Take extra precautions if you work or spend time outside. When possible, reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose fitting clothing when possible and drink plenty of water.
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WHAT: Thunderstorms will initially develop over the Mogollon Rim and other sky islands of Southeast Arizona, then track southwest into the valleys of Southeast Arizona and become widespread during the late afternoon, then move across the lower deserts of Southeast Arizona through the evening. The stronger storms will produce organized thunderstorm outflow winds between 45-55 mph, resulting in dense blowing dust with visibility between one-quarter and one-half mile and possibly a haboob with near-zero visibility. For the Extreme Heat Warning, dangerously hot conditions with temperatures 101 to 106. Major to Extreme HeatRisk is expected.
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WHERE: Eastern Cochise County below 5000 feet, Tucson Metro Area, Upper Gila River Valley, Upper San Pedro River Valley, and Upper Santa Cruz River Valley/Altar Valley.
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WHEN: Until 8 PM MST this evening.
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IMPACTS: Hazardous driving conditions due to reduced visibility. Heat related illnesses increase significantly during extreme heat events.
* WHAT...Thunderstorms will initially develop over the Mogollon Rim and other sky islands of Southeast Arizona, then track southwest into the valleys of Southeast Arizona and become widespread during the late afternoon, then move across the lower deserts of Southeast Arizona through the evening. The stronger storms will produce organized thunderstorm outflow winds between 45-55 mph, resulting in dense blowing dust with visibility between one-quarter and one-half mile and possibly a haboob with near-zero visibility. For the Extreme Heat Warning, dangerously hot conditions with temperatures 101 to 106. Major to Extreme HeatRisk is expected. * WHERE...Eastern Cochise County below 5000 feet, Tucson Metro Area, Upper Gila River Valley, Upper San Pedro River Valley, and Upper Santa Cruz River Valley/Altar Valley. * WHEN...Until 8 PM MST this evening. * IMPACTS...Hazardous driving conditions due to reduced visibility. Heat related illnesses increase significantly during extreme heat events.
Persons with respiratory problems should make preparations to stay indoors until the storm passes. Be ready for a sudden drop in visibility to near zero. If you encounter blowing dust or blowing sand on the roadway or see it approaching, pull off the road as far as possible and put your vehicle in park. Turn the lights all the way off and keep foot off the brake pedal. Remember, 'Pull Aside, Stay Alive'. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. Take extra precautions if you work or spend time outside. When possible, reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose fitting clothing when possible and drink plenty of water.
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WHAT: Flash flooding caused by excessive rainfall is possible.
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WHERE: A portion of south-central Arizona, including Santa Cruz, southwest Cochise and south-central and southeast Pima counties.
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WHEN: Until 10 PM MST this evening.
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IMPACTS: Excessive rainfall runoff may result in flash flooding of normally dry washes, roadway dips and other low-lying areas.
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ADDITIONAL DETAILS:
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The combination of an increase in lower-level moisture and an favorable weather pattern will result in widespread strong thunderstorms with heavy rain across portions of south- central Arizona. Although most areas impacted by thunderstorms will receive only between one half to one inch of rain, isolated locations may receive between 1 and 3 inches. Excessive rainfall runoff will result in flash flooding.
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* WHAT...Flash flooding caused by excessive rainfall is possible. * WHERE...A portion of south-central Arizona, including Santa Cruz, southwest Cochise and south-central and southeast Pima counties. * WHEN...Until 10 PM MST this evening. * IMPACTS...Excessive rainfall runoff may result in flash flooding of normally dry washes, roadway dips and other low-lying areas. * ADDITIONAL DETAILS... - The combination of an increase in lower-level moisture and an favorable weather pattern will result in widespread strong thunderstorms with heavy rain across portions of south- central Arizona. Although most areas impacted by thunderstorms will receive only between one half to one inch of rain, isolated locations may receive between 1 and 3 inches. Excessive rainfall runoff will result in flash flooding. - Http://www.weather.gov/safety/flood
You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued.
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