Alert archive / Colorado / Tornado Warnings in 2019
Tornado Warning 3, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this tornado warning at May 26, 2019, 4:34 PM MDT for Adams County, Arapahoe County, Colorado. It was in force for 26 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- May 26, 2019, 4:34 PM MDT (22:34 UTC)
- Expired
- May 26, 2019, 5:00 PM MDT
- In force
- 26 min
- Issued by
- NWS Denver/Boulder, CO
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 1.5 in
Counties Adams County, CO, Arapahoe County, CO
The radar
The Denver radar (KFTG), 11 km from the middle of the area, began a volume at 22:37 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.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| May 26, 3:46 PM MDT | Tornado Watch | SPC | 4 hr |
The nearest sounding before it
Denver, CO (KDEN), launched 12:00Z, 10.6 hours before the alert went out and 120 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1575 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 46 m²/s²
- 0-3 km storm-relative helicity
- 112 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
696
WFUS55 KBOU 262234
TORBOU
COC001-005-262300-
/O.NEW.KBOU.TO.W.0003.190526T2234Z-190526T2300Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Denver CO
434 PM MDT Sun May 26 2019
The National Weather Service in Denver Colorado has issued a
* Tornado Warning for...
Central Arapahoe County in northeastern Colorado...
South central Adams County in northeastern Colorado...
* Until 500 PM MDT.
* At 434 PM MDT, a severe thunderstorm capable of producing a tornado
was located 4 miles southeast of Arapahoe Park, or 20 miles
southeast of Denver, moving north at 20 mph.
HAZARD...Tornado and ping pong ball size hail.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed.
Damage to roofs, windows, and vehicles will occur. Tree
damage is likely.
* This dangerous storm will be near...
Arapahoe Park around 445 PM MDT.
Watkins and Manila Village around 500 PM MDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 3979 10469 3977 10444 3957 10451 3957 10474
TIME...MOT...LOC 2234Z 191DEG 19KT 3958 10465
TORNADO...RADAR INDICATED
HAIL...1.50IN
$$
RPK1 follow-up statement
202
WWUS55 KBOU 262254
SVSBOU
Severe Weather Statement
National Weather Service Denver CO
454 PM MDT Sun May 26 2019
COC001-005-262304-
/O.EXP.KBOU.TO.W.0003.000000T0000Z-190526T2300Z/
Arapahoe CO-Adams CO-
454 PM MDT Sun May 26 2019
...THE TORNADO WARNING FOR CENTRAL ARAPAHOE AND SOUTH CENTRAL ADAMS
COUNTIES WILL EXPIRE AT 500 PM MDT...
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning will
be allowed to expire.
A Tornado Watch remains in effect until 900 PM MDT for northeastern
Colorado.
LAT...LON 3979 10469 3977 10444 3957 10451 3957 10474
TIME...MOT...LOC 2254Z 191DEG 19KT 3968 10463
$$
RPKThe office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 26, 12:00 AM MDT | Special Weather Statement | BOU | Weld | 45 min |
| May 26, 12:33 AM MDT | Severe Thunderstorm Warning | BOU | Weld | 31 min |
| May 26, 3:51 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Weld | 39 min |
| May 26, 3:57 PM MDT | Severe Thunderstorm Warning | BOU | Morgan, Weld | 48 min |
| May 26, 4:13 PM MDT | Severe Thunderstorm Warning | BOU | Morgan, Weld | 30 min |
| May 26, 4:17 PM MDT | Tornado Warning | BOU | Weld | 28 min |
| May 26, 4:20 PM MDT | Severe Thunderstorm Warning | BOU | Weld | 40 min |
| May 26, 4:39 PM MDT | Severe Thunderstorm Warning | BOU | Weld | 21 min |
| May 26, 5:04 PM MDT | Severe Thunderstorm Warning | BOU | Weld | 41 min |
| May 26, 5:17 PM MDT | Severe Thunderstorm Warning | BOU | Lincoln | 43 min |
| May 26, 5:23 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Arapahoe, Denver | 32 min |
| May 26, 5:30 PM MDT | Tornado Warning | BOU | Adams | 15 min |
| May 26, 5:33 PM MDT | Severe Thunderstorm Warning | BOU | Weld | 42 min |
| May 26, 5:42 PM MDT | Tornado Warning | BOU | Weld | 33 min |
| May 26, 5:47 PM MDT | Tornado Warning | BOU | Lincoln | 28 min |
Nearby
Tornado Warnings in Colorado, 2019Every tornado warning in 2019Tornadoes in 2019
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.