Alert archive / Colorado / Tornado Warnings in 2024
Tornado Warning 2, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this tornado warning at May 19, 2024, 2:45 PM MDT for Logan County, Colorado. It was in force for 19 min. 2 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
- May 19, 2024, 2:45 PM MDT (20:45 UTC)
- Expired
- May 19, 2024, 3:04 PM MDT
- In force
- 19 min
- Issued by
- NWS Denver/Boulder, CO
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.75 in
County Logan County, CO
The radar
The Cheyenne radar (KCYS), 172 km from the middle of the area, began a volume at 20:45 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 |
|---|---|---|---|
| May 19, 2:48 PM MDT | HAIL 1 | 4 Wnw Proctor, CO | |
| May 19, 2:56 PM MDT | TORNADO | 2 Nw Proctor, CO | Just east of Caliche School. Brief touchdown, time estimated. |
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 |
|---|---|---|---|
| May 19, 12:57 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 8.8 hours before the alert went out and 187 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
- 1304 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 19 m²/s²
- 0-3 km storm-relative helicity
- 57 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
336
WFUS55 KBOU 192045
TORBOU
COC075-192130-
/O.NEW.KBOU.TO.W.0002.240519T2045Z-240519T2130Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Denver CO
245 PM MDT Sun May 19 2024
The National Weather Service in Denver Colorado has issued a
* Tornado Warning for...
Northeastern Logan County in northeastern Colorado...
* Until 330 PM MDT.
* At 245 PM MDT, a severe thunderstorm capable of producing a tornado
was located near Proctor, or 17 miles northeast of Sterling, moving
east at 20 mph.
HAZARD...Tornado.
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...
Proctor around 250 PM MDT.
Other locations in the path of this tornadic thunderstorm include
Crook.
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 4095 10265 4080 10265 4064 10267 4074 10310
4098 10308
TIME...MOT...LOC 2045Z 273DEG 16KT 4083 10300
TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
$$
MEIER2 follow-up statements
004
WWUS55 KBOU 192058
SVSBOU
Severe Weather Statement
National Weather Service Denver CO
258 PM MDT Sun May 19 2024
COC075-192130-
/O.CON.KBOU.TO.W.0002.000000T0000Z-240519T2130Z/
Logan CO-
258 PM MDT Sun May 19 2024
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 330 PM MDT FOR
NORTHEASTERN LOGAN COUNTY...
At 258 PM MDT, a severe thunderstorm capable of producing a tornado
was located over Proctor, or 19 miles northeast of Sterling, moving
east at 20 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
This tornadic thunderstorm will remain over mainly rural areas of
northeastern Logan County, including the following locations...
Dailey.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 4095 10265 4080 10265 4064 10267 4074 10305
4098 10308
TIME...MOT...LOC 2058Z 289DEG 19KT 4082 10292
TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
$$
MEIER464
WWUS55 KBOU 192104
SVSBOU
Severe Weather Statement
National Weather Service Denver CO
304 PM MDT Sun May 19 2024
COC075-192113-
/O.CAN.KBOU.TO.W.0002.000000T0000Z-240519T2130Z/
Logan CO-
304 PM MDT Sun May 19 2024
...THE TORNADO WARNING FOR NORTHEASTERN LOGAN COUNTY IS CANCELLED...
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore, the warning has been cancelled. However, small hail is
still possible with this thunderstorm.
A Severe Thunderstorm Watch remains in effect until 800 PM MDT for
northeastern Colorado.
LAT...LON 4095 10265 4080 10265 4064 10267 4074 10305
4098 10308
TIME...MOT...LOC 2102Z 273DEG 16KT 4082 10289
$$
MEIERThe office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 19, 1:22 PM MDT | Special Weather Statement | BOU | Washington | 38 min |
| May 19, 2:18 PM MDT | Severe Thunderstorm Warning | BOU | Logan | 42 min |
| May 19, 2:27 PM MDT | Special Weather Statement | BOU | Lincoln | 48 min |
| May 19, 3:10 PM MDT | Tornado Warning | BOU | Logan | 35 min |
| May 19, 3:41 PM MDT | Severe Thunderstorm Warning | BOU | Logan, Phillips | 35 min |
Nearby
Tornado Warnings in Colorado, 2024Every tornado warning in 2024Tornadoes in 2024
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.