Alert archive / Colorado / Severe Thunderstorm Watches in 2007

Severe Thunderstorm Watch 272

May 14, 200726 counties in Colorado

The Storm Prediction Center issued this severe thunderstorm watch at May 14, 2007, 2:57 PM MDT for 26 counties in Colorado. It was in force for 7 hr.

The area

The outline as issued.

The facts

Issued
May 14, 2007, 2:57 PM MDT (20:57 UTC)
Expired
May 14, 2007, 10:00 PM MDT
In force
7 hr
Issued by
the Storm Prediction Center
Largest hail expected
2 in
Strongest gust expected
60 kt
All 26 counties

Adams County, CO, Arapahoe County, CO, Bent County, CO, Boulder County, CO, Broomfield County, CO, Cheyenne County, CO, Crowley County, CO, Denver County, CO, Douglas County, CO, El Paso County, CO, Elbert County, CO, Jefferson County, CO, Kiowa County, CO, Kit Carson County, CO, Larimer County, CO, Lincoln County, CO, Logan County, CO, Morgan County, CO, Otero County, CO, Phillips County, CO, Prowers County, CO, Pueblo County, CO, Sedgwick County, CO, Washington County, CO, Weld County, CO, Yuma County, CO

The radar

The Denver radar (KFTG), 59 km from the middle of the area, began a volume at 20:56 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What SPC expected

The probabilities SPC published with the watch, for the watch area over its life.

Two or more tornadoes
5%
One or more EF2 to EF5 tornadoes
5%
Ten or more severe wind reports
30%
One or more gusts of 65 knots or more
30%
Ten or more severe hail reports
50%
One or more hailstones of 2 inches or more
20%
Six or more combined severe hail and wind reports
80%

Warnings issued inside it

18 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

IssuedProductOfficeCountiesLasted
May 14, 3:29 PM MDTSevere Thunderstorm WarningBOULarimer, Weld38 min
May 14, 3:58 PM MDTSevere Thunderstorm WarningPUBPueblo47 min
May 14, 4:27 PM MDTSevere Thunderstorm WarningPUBCuster, Fremont, Pueblo48 min
May 14, 5:07 PM MDTSevere Thunderstorm WarningBOUBoulder, Larimer38 min
May 14, 5:16 PM MDTSevere Thunderstorm WarningPUBPueblo46 min
May 14, 5:47 PM MDTSevere Thunderstorm WarningBOULarimer, Weld42 min
May 14, 6:11 PM MDTSevere Thunderstorm WarningBOUWeld64 min
May 14, 6:23 PM MDTTornado WarningBOUWeld52 min
May 14, 6:57 PM MDTTornado WarningBOUAdams, Weld48 min
May 14, 7:15 PM MDTSevere Thunderstorm WarningBOUAdams, Arapahoe, Denver, Jefferson60 min
May 14, 7:27 PM MDTSevere Thunderstorm WarningBOUAdams, Morgan33 min
May 14, 7:46 PM MDTTornado WarningBOUAdams, Morgan29 min
May 14, 7:55 PM MDTSevere Thunderstorm WarningBOUAdams, Arapahoe47 min
May 14, 8:19 PM MDTTornado WarningBOUAdams, Washington41 min
May 14, 8:25 PM MDTTornado WarningBOUArapahoe, Elbert33 min
May 14, 8:47 PM MDTSevere Thunderstorm WarningPUBBent, Prowers58 min
May 14, 8:52 PM MDTSevere Thunderstorm WarningBOUElbert53 min
May 14, 9:11 PM MDTTornado WarningPUBBent, Prowers64 min

Discussions around it

SPC mesoscale discussions over the same counties from four hours before the watch to its end.

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 14, 2:24 PM MDTMesoscale DiscussionSPCAdams, Arapahoe, Boulder, Broomfield, Denver, Douglas and 11 more96 min

Nearby

Severe Thunderstorm Watches in Colorado, 2007Every severe thunderstorm watch in 2007

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.