San Francisco, California
Regional Weather Alerts
| Alert: | Extreme Heat Warning |
| Area(s): | Lake Havasu and Fort Mohave; Northwest Deserts; Lake Mead National Recreation Area; Death Valley National Park; Western Mojave Desert; Morongo Basin; San Bernardino County-Upper Colorado River Valley; Northeast Clark County; Western Clark and Southern Nye County; Las Vegas Valley; Lake Mead National Recreation Area |
| Effective: | 13aaeor13aa -> 16aaeor0aa |
| Onset: | 15apeor0ap -> 13apeor0ap |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Las Vegas NV on 13aaeor13aa |
| Headline: | Extreme Heat Warning issued June 13 at 2:13AM PDT until June 15 at 10:00PM PDT by NWS Las Vegas NV |
| Description: |
* WHAT...Dangerously hot conditions for early June. High temperatures will range 107 to 112 in Las Vegas, Moapa, Pahrump, Barstow, and the Morongo Basin; 110 to 115 in Laughlin, Bullhead City, Lake Mead National Recreation Area, Lake Mohave, and Lake Havasu City; 115 to 120 in Death Valley National Park. * WHERE...Portions of northwestern Arizona, southeastern California, and southern Nevada. * WHEN...From 10 AM PDT / MST to 10 PM PDT / MST Sunday. * IMPACTS...Heat-related illnesses increase significantly during extreme heat events. |
| Alert: | Red Flag Warning |
| Area(s): | Surprise Valley California; Eastern Lassen County; Northern Washoe County |
| Effective: | 13aaeor7aa -> 14aaeor0aa |
| Onset: | 13apeor0ap -> 14aaeor0aa |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Reno NV on 13aaeor7aa |
| Headline: | Red Flag Warning issued June 13 at 1:07AM PDT until June 13 at 11:00PM PDT by NWS Reno NV |
| Description: |
* Affected Area...Fire Weather Zone 270 Surprise Valley California, Fire Weather Zone 278 Eastern Lassen County and Fire Weather Zone 458 Northern Washoe County. * Winds...Southwest to west 15-25 mph with gusts to 35 mph. * Humidity...Minimum humidity of 9-18% in the afternoon. * Duration...3 to 7 hours. * Impacts...The combination of gusty winds and low humidity can cause fire to rapidly grow in size and intensity before first responders can contain them. These dry and windy conditions could also rekindle fires in areas which received lightning in recent days. * Additional Details...Dry conditions and shorter periods of gusty winds will also produce elevated to locally critical fire weather conditions each afternoon through early next week. |
| Alert: | Extreme Heat Warning |
| Area(s): | Parker Valley; Kofa; Yuma; Central La Paz; Southeast Yuma County; Gila River Valley; Imperial County Southwest; Salton Sea; Chuckwalla Mountains; Imperial County Southeast; Imperial County West; Imperial Valley; Palo Verde Valley; Chuckwalla Valley |
| Effective: | 13aaeor8aa -> 16apeor0ap |
| Onset: | 14apeor0ap -> 13apeor30ap |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Phoenix AZ on 13aaeor8aa |
| Headline: | Extreme Heat Warning issued June 13 at 12:08AM MST until June 16 at 8:00PM MST by NWS Phoenix AZ |
| Description: |
* WHAT...Dangerously hot conditions. Afternoon temperatures 104 to 115 expected. Major Heat Risk. Overexposure can cause heat cramps and heat exhaustion to develop and, without intervention, can lead to heat stroke. * WHERE...Portions of southwest Arizona and southeast California. * WHEN...From 10 AM MST /10 AM PDT/ Saturday to 8 PM MST /8 PM PDT/ Monday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. |