Official Twitter account for the Honolulu Department of Emergency Management. Follow us for crucial safety tips and updates! Account not monitored constantly.
Honolulu, Hawaii
Joined April 2011
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HNL Alert: Flood Advisory Updated - Be Aware. Minor flood impacts to some roads and streams. Use caution. Avoid flooded areas. Turn around, don't drown. View forecast details at weather.hnlalert.gov. manager.everbridge.net/pub/2…
HNL Alert: Flood Advisory Updated - Be Aware. Minor flood impacts to some roads and streams. Use caution. Avoid flooded areas. Turn around, don't drown. View forecast details at weather.hnlalert.gov. manager.everbridge.net/pub/2…
HNL Alert: Flood Advisory Issued - Be Aware. Minor flood impacts to some roads and streams. Use caution. Avoid flooded areas. Turn around, don't drown. View forecast details at weather.hnlalert.gov. manager.everbridge.net/pub/2…
HNL Alert: Flood Advisory Issued - Be Aware. Minor flood impacts to some roads and streams. Use caution. Avoid flooded areas. Turn around, don't drown. View forecast details at weather.hnlalert.gov. manager.everbridge.net/pub/2…
Know your flood alerts!
🟡 WATCH: Be prepared. Flooding is possible.
🟠 ADVISORY: Be aware. Hazardous conditions are occurring or expected soon.
🔴 WARNING: Take action. Dangerous conditions are occurring or expected soon.
Stay informed: hnlalert.gov
OʻAHU HEAVY RAIN UPDATE | OCT. 27
Heavy rain/flash flooding possible tonight thru Wednesday. Shelters open at 4 p.m. If unsafe, leave early.
Map: p.veoci.com/hnlshelter
Avoid floodwater, streams, brown water. HNL Alert: hnlalert.gov. Call 911 for emergencies only.
HNL Alert: 02:58 PM 10-27-2026 - Heavy rain and possible flash flooding are expected tonight through Wednesday evening. Monitor weather conditions closely and be ready to leave early if you feel unsafe. City shelters open at 4 p.m. manager.everbridge.net/pub/2…
Oahu Emergency Mgmt. retweeted
🌧️ With heavy rain expected this evening and potentially continuing over the next few days, here are some important tips on when and how to report flooding.
Early reports of dangerous flooding can help first responders identify hazards and protect our community. Please reserve 911 for emergencies and use the HNL 311 app to report minor flooding or storm-related debris that does not pose an immediate safety threat.
ALT Instructions on when to report flooding with emergency examples and a call to action.
ALT Flood reporting instructions with logos of Honolulu agencies.
Heavy rain possible Tue–Wed. Sign up for weather alerts at hnlalert.gov. Turn around, don’t drown! Report dangerous flooding.
HNL Alert: Flood Watch - Be Prepared! A Flood Watch means conditions are favorable for Flash Flooding to occur. It does not mean flooding will occur, but it is possible. View forecast details at weather.hnlalert.gov. manager.everbridge.net/pub/2…
HNL Alert: 16:30:53 10-24-2026 - The Pacific Tsunami Warning Center reports No Tsunami Threat to Hawaii from 7.0 magnitude earthquake in JAPAN REGION - BONIN ISLANDS.
More info at tsunami.gov/ manager.everbridge.net/pub/2…
HNL Alert: 04:50 PM 10-23-2026 - The Pacific Tsunami Warning Center reports No Tsunami Threat to Hawaii from 7.2 magnitude earthquake in Vanuatu .
More info at tsunami.gov/ manager.everbridge.net/pub/2…
HNL Alert: 17:59:30 10-15-2026 - The Pacific Tsunami Warning Center reports No Tsunami Threat to Hawaii from 7.0 magnitude earthquake in Russia - NEAR THE EAST COAST OF KAMCHATKA RUSSIA.
More info at tsunami.gov/ manager.everbridge.net/pub/2…
HNL Alert: 08:39:40 10-09-2026 - The Pacific Tsunami Warning Center has determined there is No Tsunami Threat to Hawaii from the earlier 7.6 magnitude earthquake in Panama. More info at tsunami.gov/ manager.everbridge.net/pub/2…
HNL Alert: 08:11:01 10-09-2026 - The Pacific Tsunami Warning Center reports Tsunami Threat is Being Evaluated from 8.0 magnitude earthquake in - Panama.
More info at tsunami.gov/ manager.everbridge.net/pub/2…
HNL Alert: Flash Flood Warning Updated - Take Action! Dangerous flash flooding is happening or will happen soon. Move to higher ground. Avoid flooded areas/roads. View forecast details at weather.hnlalert.gov. manager.everbridge.net/pub/2…
HNL Alert: 12:16 PM 10-08-2026 - Flash Flood Warning until 1:15 p.m. and may be extended. Ponding on Kamehameha Hwy in Haleiwa near Velzyland Beach. No closures reported. Avoid the area if possible, use caution outdoors, and fo manager.everbridge.net/pub/2…
HNL Alert: Flash Flood Warning Issued - Take Action! Dangerous flash flooding is happening or will happen soon. Move to higher ground. Avoid flooded areas/roads. View forecast details at weather.hnlalert.gov. Monitor alert.h manager.everbridge.net/pub/2…
HNL Alert: Flood Advisory Updated - Be Aware. Minor flood impacts to some roads and streams. Use caution. Avoid flooded areas. Turn around, don't drown. View forecast details at weather.hnlalert.gov. manager.everbridge.net/pub/2…
HNL Alert: Flood Advisory Issued - Be Aware. Minor flood impacts to some roads and streams. Use caution. Avoid flooded areas. Turn around, don't drown. View forecast details at weather.hnlalert.gov. manager.everbridge.net/pub/2…
