Colorado, 2019Frost and Freeze in Colorado, May 1 to 2, 2019
May 1 to 2, 2019 · NWS GJT · 3 events in 3 counties and zones
Clearing skies in the wake of an exiting winter storm allowed temperatures to drop below freezing across portions of Western Colorado.
Every event with a place to put it; 3 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
- Tornadoes
- Tropical storms and surge
- Floods
- Wind
- Hail
- Winter weather
- Heat and drought
- Cold
- Fire, smoke and dust
- Marine and coastal
- Other
Open the live radar over this ground
- Deaths
- 0
- Injuries
- 0
- Property damage
- None recorded
- Crop damage
- None recorded
- Events
- 3
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
Clearing skies in the wake of an exiting winter storm allowed temperatures to drop below freezing across portions of Western Colorado.
What forecasters said that day
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Grand Junction, CO wrote its last area forecast discussion before the first event at May 1, 4:35 PM MST, 4 hours 41 minutes earlier.
Area forecast discussion, May 1, 4:35 PM MST, 4 hours 41 minutes before
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</html>Hazardous weather outlook, May 1, 1:24 AM MST, 19 hours 52 minutes before
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</html>Frost/Freeze, Central Colorado River Basin
- When
- May 1, 9:16 PM MST to May 2, 7:46 AM MST
- Where
- Central Colorado River Basin forecast zone
- Reported by
- AWOS
- Coordinates
- 39.481, -107.172 (the zone’s center; the record gives no point)
Over half of the sites in the forecast zone experienced temperatures ranging from 24 to 30 degrees F for several hours.
Frost/Freeze, Lower Yampa River Basin
- When
- May 1, 11:35 PM MST to May 2, 6:55 AM MST
- Where
- Lower Yampa River Basin forecast zone
- Reported by
- RAWS
- Coordinates
- 40.066, -108.109 (the zone’s center; the record gives no point)
All observations sites within the zone recorded temperatures between 27 and 32 degrees F for several hours.
Frost/Freeze, Debeque to Silt Corridor
- When
- May 2, 1:44 AM MST to 7:04 AM MST
- Where
- Debeque to Silt Corridor forecast zone
- Reported by
- ASOS
- Coordinates
- 39.308, -108.185 (the zone’s center; the record gives no point)
Over half of the forecast zone experienced temperatures ranging from 30 to 32 degrees F.
- Frost/Freeze
- Frost or temperatures at or below freezing during the growing season, usually filed for crop damage.
After NWS Directive 10-1605, the rules offices file Storm Data by.
- Flash Flooding and Flooding in Missouri, May 1, 20192 deaths · $154,000 · 48 events
- Tornadoes and Flash Flooding in Oklahoma, May 1, 20191 death · $167,000 · EF1 · 53 events
- Flash Flood and Flood in Michigan, May 1, 2019$64 million · 2 events
- Tornadoes and Flash Flooding in Texas, May 1 to 3, 20191 death · 1.75 in hail · 19 events
- Damaging Winds in Arkansas, May 1, 2019$225,000 · 90 kt wind · 16 events
- Flooding in Illinois, May 1 to 31, 2019$280,000 · 11 events
- Flooding in Iowa, May 1 to 31, 2019$350,000 · 2 events
- Flooding in Missouri, May 1 to 31, 2019$170,000 · 3 events
- Hail and Damaging Winds in Kentucky, May 1 to 2, 2019$111,000 · 1.75 in hail · 7 events
- Tornado in Kentucky, May 1, 2019$35,000 · EF1 · 1 event
- Tornado and Flash Flooding in Texas, May 1 to 2, 2019$10,000 · EF1 · 22 events
- Dust Devil in Washington, May 1, 20195 injured · 1 event
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-30. Each event’s entry at NCEI: 814931, 814929, 814930.