Alert archive / Colorado / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 51, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this severe thunderstorm warning at May 26, 2021, 6:45 PM MDT for Sedgwick County, Colorado. It was in force for 31 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, 2021, 6:45 PM MDT (00:45 UTC)
- Expired
- May 26, 2021, 7:16 PM MDT
- In force
- 31 min
- Issued by
- NWS Denver/Boulder, CO
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
County Sedgwick County, CO
The radar
The Goodland radar (KGLD), 171 km from the middle of the area, began a volume at 00:48 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, 3:42 PM MDT | Tornado Watch | SPC | 8 hr |
The nearest sounding before it
N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 0.8 hours before the alert went out and 136 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
- 124 J/kg
- Mixed-layer CIN
- -115 J/kg
- Mixed-layer LCL
- 1622 m above ground
- 0-6 km bulk shear
- 52 kt
- 0-1 km storm-relative helicity
- 149 m²/s²
- 0-3 km storm-relative helicity
- 363 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 9.7
The text
As transmitted.
082
WUUS55 KBOU 270045
SVRBOU
COC115-270130-
/O.NEW.KBOU.SV.W.0051.210527T0045Z-210527T0130Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Denver CO
645 PM MDT Wed May 26 2021
The National Weather Service in Denver Colorado has issued a
* Severe Thunderstorm Warning for...
Eastern Sedgwick County in northeastern Colorado...
* Until 730 PM MDT.
* At 645 PM MDT, a severe thunderstorm was located near Julesburg,
moving east at 35 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees. Hail damage to
vehicles is expected.
* Locations impacted include...
Julesburg.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 100 AM MDT for northeastern
Colorado.
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4077 10205 4077 10237 4100 10237 4100 10205
TIME...MOT...LOC 0045Z 269DEG 31KT 4096 10227
HAIL...1.00IN
WIND...60MPH
$$
MEIER1 follow-up statement
158
WWUS55 KBOU 270116
SVSBOU
Severe Weather Statement
National Weather Service Denver CO
716 PM MDT Wed May 26 2021
COC115-270126-
/O.CAN.KBOU.SV.W.0051.000000T0000Z-210527T0130Z/
Sedgwick CO-
716 PM MDT Wed May 26 2021
...THE SEVERE THUNDERSTORM WARNING FOR EASTERN SEDGWICK COUNTY IS
CANCELLED...
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been cancelled.
A Tornado Watch remains in effect until 100 AM MDT for northeastern
Colorado.
LAT...LON 4077 10205 4077 10237 4100 10237 4100 10205
TIME...MOT...LOC 0114Z 269DEG 31KT 4096 10191
$$
MEIERNearby
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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.