Alert archive / Colorado / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 291, NWS Pueblo, CO
NWS Pueblo, CO issued this severe thunderstorm warning at Oct 12, 2021, 5:40 PM MDT for Prowers County, Colorado. It was in force for 66 min. 1 report 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
- Oct 12, 2021, 5:40 PM MDT (23:40 UTC)
- Expired
- Oct 12, 2021, 6:46 PM MDT
- In force
- 66 min
- Issued by
- NWS Pueblo, CO
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
County Prowers County, CO
The radar
The Goodland radar (KGLD), 169 km from the middle of the area, began a volume at 23:39 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 |
|---|---|---|---|
| Oct 12, 5:49 PM MDT | TSTM WND GST 59 | 6 Wnw Granada, 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 |
|---|---|---|---|
| Oct 12, 2:46 PM MDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Dodge City, (KDDC), launched 12:00Z, 11.7 hours before the alert went out and 210 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
- 1890 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- 276 m²/s²
- 0-3 km storm-relative helicity
- 277 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
208
WUUS55 KPUB 122340
SVRPUB
COC099-130100-
/O.NEW.KPUB.SV.W.0291.211012T2340Z-211013T0100Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Pueblo CO
540 PM MDT Tue Oct 12 2021
The National Weather Service in Pueblo has issued a
* Severe Thunderstorm Warning for...
Prowers County in southeastern Colorado...
* Until 700 PM MDT.
* At 540 PM MDT, a severe thunderstorm was located near Two Buttes
Reservoir, or 19 miles north of Springfield, moving north at 75
mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Holly, Granada, Hartman, Bristol and Two Buttes Reservoir.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 1000 PM MDT for southeastern
Colorado.
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3784 10213 3764 10226 3764 10262 3827 10250
3827 10205
TIME...MOT...LOC 2340Z 201DEG 65KT 3768 10255
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Cohen2 follow-up statements
764
WWUS55 KPUB 130014
SVSPUB
Severe Weather Statement
National Weather Service Pueblo CO
614 PM MDT Tue Oct 12 2021
COC099-130100-
/O.CON.KPUB.SV.W.0291.000000T0000Z-211013T0100Z/
Prowers CO-
614 PM MDT Tue Oct 12 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM MDT
FOR EASTERN PROWERS COUNTY...
At 614 PM MDT, severe thunderstorms were located along a line
extending from 13 miles northeast of Two Buttes to 10 miles northeast
of Hartman, moving northeast at 60 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Holly.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 1000 PM MDT for southeastern
Colorado.
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3784 10213 3764 10226 3765 10232 3827 10213
3827 10205
TIME...MOT...LOC 0014Z 245DEG 52KT 3767 10219 3823 10209
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Cohen168
WWUS55 KPUB 130046
SVSPUB
Severe Weather Statement
National Weather Service Pueblo CO
646 PM MDT Tue Oct 12 2021
COC099-130055-
/O.CAN.KPUB.SV.W.0291.000000T0000Z-211013T0100Z/
Prowers CO-
646 PM MDT Tue Oct 12 2021
...THE SEVERE THUNDERSTORM WARNING FOR EAST-CENTRAL PROWERS COUNTY IS
CANCELLED...
The storms which prompted the warning have moved out of the area.
Therefore, the warning has been cancelled.
A Tornado Watch remains in effect until 1000 PM MDT for southeastern
Colorado.
LAT...LON 3784 10213 3764 10226 3765 10232 3827 10213
3827 10205
TIME...MOT...LOC 0044Z 201DEG 65KT 3818 10194 3874 10184
$$
CohenThe office that day
Everything else NWS Pueblo, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 12, 5:18 PM MDT | Special Weather Statement | PUB | Bent | 27 min |
| Oct 12, 5:19 PM MDT | Special Weather Statement | PUB | Baca | 11 min |
| Oct 12, 5:26 PM MDT | Severe Thunderstorm Warning | PUB | Baca | 51 min |
| Oct 12, 5:56 PM MDT | Severe Thunderstorm Warning | PUB | Kiowa | 29 min |
Nearby
Severe Thunderstorm Warnings in Colorado, 2021Every severe thunderstorm warning in 2021
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.