Alert archive / Colorado / Tornado Warnings in 2019
Tornado Warning 21, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this tornado warning at Jun 21, 2019, 3:27 PM MDT for Elbert County, Colorado. It was in force for 33 min. 6 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jun 21, 2019, 3:27 PM MDT (21:27 UTC)
- Expired
- Jun 21, 2019, 4:00 PM MDT
- In force
- 33 min
- Issued by
- NWS Denver/Boulder, CO
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 1.0 in
County Elbert County, CO
The radar
The Denver radar (KFTG), 62 km from the middle of the area, began a volume at 21:31 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 was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 21, 3:33 PM MDT | HAIL 1 | 7 E Kiowa, CO | |
| Jun 21, 3:36 PM MDT | HAIL 1.75 | 8 Ene Fondis, CO | |
| Jun 21, 3:40 PM MDT | HAIL 1.2 | 9 Nnw Simla, CO | |
| Jun 21, 3:41 PM MDT | HAIL 1.3 | 9 Nnw Simla, CO | |
| Jun 21, 3:51 PM MDT | HAIL 1.75 | 1 W Simla, CO | |
| Jun 21, 3:59 PM MDT | HAIL 2 | 1 N Simla, CO |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 21, 12:42 PM MDT | Severe Thunderstorm Watch | SPC | 8 hr |
The nearest sounding before it
Denver, CO (KDNR), launched 12:00Z, 9.5 hours before the alert went out and 110 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
- 1246 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- 61 m²/s²
- 0-3 km storm-relative helicity
- 189 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
759
WFUS55 KBOU 212127
TORBOU
COC039-212200-
/O.NEW.KBOU.TO.W.0021.190621T2127Z-190621T2200Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Denver CO
327 PM MDT Fri Jun 21 2019
The National Weather Service in Denver Colorado has issued a
* Tornado Warning for...
Central Elbert County in east central Colorado...
* Until 400 PM MDT.
* At 326 PM MDT, a severe thunderstorm capable of producing a tornado
was located 9 miles northwest of Ramah, or 32 miles west of Limon,
moving east at 30 mph. At 325 PM storm chasers are reporting
rapid rotation at the cloud base.
HAZARD...Tornado and quarter 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.
* Locations impacted include...
Simla.
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 3936 10443 3941 10405 3913 10399 3913 10439
TIME...MOT...LOC 2126Z 262DEG 28KT 3922 10430
TORNADO...RADAR INDICATED
HAIL...1.00IN
$$
SCHLATTER1 follow-up statement
522
WWUS55 KBOU 212139
SVSBOU
Severe Weather Statement
National Weather Service Denver CO
339 PM MDT Fri Jun 21 2019
COC039-212200-
/O.CON.KBOU.TO.W.0021.000000T0000Z-190621T2200Z/
Elbert CO-
339 PM MDT Fri Jun 21 2019
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 400 PM MDT FOR CENTRAL
ELBERT COUNTY...
At 339 PM MDT, a severe thunderstorm capable of producing a tornado
was located near Ramah, or 25 miles west of Limon, moving east at 30
mph. Golfball hail was recently reported with this storm.
HAZARD...Tornado and golf ball size hail.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
Locations impacted include...
Simla.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 3937 10432 3941 10405 3913 10399 3913 10431
TIME...MOT...LOC 2139Z 266DEG 26KT 3916 10415
TORNADO...RADAR INDICATED
HAIL...1.75IN
$$
SCHLATTERThe office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 20, 6:13 PM MDT | Special Weather Statement | BOU | Weld | 32 min |
| Jun 20, 6:21 PM MDT | Severe Thunderstorm Warning | BOU | Washington | 24 min |
| Jun 20, 6:43 PM MDT | Severe Thunderstorm Warning | BOU | Washington | 32 min |
| Jun 20, 6:50 PM MDT | Special Weather Statement | BOU | Logan | 40 min |
| Jun 20, 7:29 PM MDT | Special Weather Statement | BOU | Logan | 46 min |
| Jun 20, 8:05 PM MDT | Special Weather Statement | BOU | Sedgwick | 25 min |
| Jun 21, 4:42 AM MDT | Winter Weather Advisory | BOU | Boulder, Clear Creek, Gilpin, Grand, Jackson, Jefferson and 3 more | 48 hr |
| Jun 21, 2:09 PM MDT | Special Weather Statement | BOU | Douglas | 36 min |
| Jun 21, 2:46 PM MDT | Special Weather Statement | BOU | Douglas | 44 min |
| Jun 21, 3:00 PM MDT | Severe Thunderstorm Warning | BOU | Douglas, Elbert | 45 min |
| Jun 21, 3:07 PM MDT | Tornado Warning | BOU | Elbert | 23 min |
| Jun 21, 3:51 PM MDT | Severe Thunderstorm Warning | BOU | Elbert, Lincoln | 39 min |
| Jun 21, 4:26 PM MDT | Severe Thunderstorm Warning | BOU | Elbert, Lincoln | 32 min |
| Jun 21, 4:59 PM MDT | Special Weather Statement | BOU | Lincoln | 31 min |
| Jun 21, 5:03 PM MDT | Special Weather Statement | BOU | Elbert | 42 min |
| Jun 21, 5:13 PM MDT | Special Weather Statement | BOU | Lincoln | 32 min |
| Jun 21, 5:41 PM MDT | Special Weather Statement | BOU | Lincoln | 49 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.