Alert archive / Colorado / Severe Thunderstorm Warnings in 2016
Severe Thunderstorm Warning 22, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this severe thunderstorm warning at May 24, 2016, 2:30 PM MDT for Adams County, Broomfield County, Weld County, Colorado. It was in force for 45 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 24, 2016, 2:30 PM MDT (20:30 UTC)
- Expired
- May 24, 2016, 3:15 PM MDT
- In force
- 45 min
- Issued by
- NWS Denver/Boulder, CO
- Area
- Storm-based polygon
- Hail
- 1.75 in
- Wind
- 50.0 mph
Counties Adams County, CO, Broomfield County, CO, Weld County, CO
The radar
The Denver radar (KFTG), 38 km from the middle of the area, began a volume at 20:31 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.
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 24, 12:45 PM MDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Denver, CO (KDEN), launched 12:00Z, 8.5 hours before the alert went out and 138 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
- 1378 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 89 m²/s²
- 0-3 km storm-relative helicity
- 122 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
The text
As transmitted.
703
WUUS55 KBOU 242030
SVRBOU
COC001-014-123-242115-
/O.NEW.KBOU.SV.W.0022.160524T2030Z-160524T2115Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE DENVER CO
230 PM MDT TUE MAY 24 2016
THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHWESTERN WELD COUNTY IN NORTHEASTERN COLORADO...
EASTERN BROOMFIELD COUNTY IN NORTHEASTERN COLORADO...
NORTHWESTERN ADAMS COUNTY IN NORTHEASTERN COLORADO...
* UNTIL 315 PM MDT
* AT 229 PM MDT...A SEVERE THUNDERSTORM WAS LOCATED OVER WESTERN
THORNTON...OR 13 MILES NORTH OF DENVER...MOVING NORTHEAST AT 25
MPH.
HAZARD...GOLF BALL SIZE HAIL.
SOURCE...RADAR INDICATED. THIS STORM HAS A HISTORY OF PRODUCING
HAIL UP TO GOLF BALL SIZE. IT IS EXPECTED TO CONTINUE
PRODUCING LARGE HAIL...BRIEF HEAVY RAIN AND GUSTY WINDS
TO 40 MPH.
IMPACT...PEOPLE AND ANIMALS OUTDOORS WILL BE INJURED. EXPECT
DAMAGE TO ROOFS...SIDING...WINDOWS AND VEHICLES.
* LOCATIONS IMPACTED INCLUDE...
THORNTON...EASTERN WESTMINSTER...NORTHEASTERN BROOMFIELD...
NORTHERN COMMERCE CITY...NORTHGLENN...BRIGHTON...ERIE...
FEDERAL HEIGHTS...FIRESTONE...FREDERICK...FORT LUPTON...LOCHBUIE...
DACONO...HUDSON AND BARR LAKE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
THIS STORM IS PRODUCING LARGE HAIL. SEEK SHELTER NOW INSIDE A STURDY
STRUCTURE AND STAY AWAY FROM WINDOWS.
&&
A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM MDT FOR NORTHEASTERN
COLORADO.
LAT...LON 4020 10474 3996 10458 3980 10505 4006 10504
TIME...MOT...LOC 2029Z 235DEG 21KT 3992 10497
HAIL...1.75IN
WIND...<50MPH
$$
DANKERS2 follow-up statements
233
WWUS55 KBOU 242059
SVSBOU
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
259 PM MDT TUE MAY 24 2016
COC014-242106-
/O.CAN.KBOU.SV.W.0022.000000T0000Z-160524T2115Z/
BROOMFIELD CO-
259 PM MDT TUE MAY 24 2016
...THE SEVERE THUNDERSTORM WARNING FOR EASTERN BROOMFIELD COUNTY IS
CANCELLED...
THE SEVERE THUNDERSTORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF
THE WARNED AREA. THEREFORE THE WARNING HAS BEEN CANCELLED.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM MDT FOR NORTHEASTERN
COLORADO.
LAT...LON 3996 10458 3989 10484 4001 10496 4004 10496
4003 10498 4004 10498 4007 10502 4020 10474
TIME...MOT...LOC 2056Z 235DEG 21KT 4001 10480
$$
COC001-123-242115-
/O.CON.KBOU.SV.W.0022.000000T0000Z-160524T2115Z/
WELD CO-ADAMS CO-
259 PM MDT TUE MAY 24 2016
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 315 PM MDT
FOR SOUTHWESTERN WELD AND NORTHWESTERN ADAMS COUNTIES...
AT 256 PM MDT...A SEVERE THUNDERSTORM WAS LOCATED OVER BRIGHTON...OR
21 MILES NORTHEAST OF DENVER...MOVING NORTHEAST AT 25 MPH.
HAZARD...PING PONG BALL SIZE HAIL. THERE HAVE BEEN A FEW REPORTS OF
POSSIBLE ROTATION WITH THIS THUNDERSTORM. A BRIEF FUNNEL
CLOUD MAY DEVELOP WITH THIS STORM.
SOURCE...RADAR INDICATED.
IMPACT...PEOPLE AND ANIMALS OUTDOORS WILL BE INJURED. EXPECT DAMAGE
TO ROOFS...SIDING...WINDOWS AND VEHICLES.
LOCATIONS IMPACTED INCLUDE...
NORTHEASTERN THORNTON...NORTHERN COMMERCE CITY...BRIGHTON...
FIRESTONE...FREDERICK...FORT LUPTON...LOCHBUIE...DACONO...
HUDSON AND BARR LAKE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
THIS STORM IS PRODUCING LARGE HAIL. SEEK SHELTER NOW INSIDE A STURDY
STRUCTURE AND STAY AWAY FROM WINDOWS.
&&
A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM MDT FOR NORTHEASTERN
COLORADO.
LAT...LON 3996 10458 3989 10484 4001 10496 4004 10496
4003 10498 4004 10498 4007 10502 4020 10474
TIME...MOT...LOC 2056Z 235DEG 21KT 4001 10480
HAIL...1.50IN
WIND...<50MPH
$$
DANKERS682
WWUS55 KBOU 242112
SVSBOU
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
312 PM MDT TUE MAY 24 2016
COC001-123-242121-
/O.EXP.KBOU.SV.W.0022.000000T0000Z-160524T2115Z/
WELD CO-ADAMS CO-
312 PM MDT TUE MAY 24 2016
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN WELD AND
NORTHWESTERN ADAMS COUNTIES WILL EXPIRE AT 315 PM MDT...
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE. HOWEVER...SMALL
HAIL AND HEAVY RAIN ARE STILL POSSIBLE WITH THIS THUNDERSTORM.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM MDT FOR NORTHEASTERN
COLORADO.
LAT...LON 3996 10458 3989 10484 4001 10496 4004 10496
4003 10498 4004 10498 4007 10502 4020 10474
TIME...MOT...LOC 2110Z 235DEG 21KT 4001 10480
$$
DANKERSThe office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 24, 1:30 AM MDT | Severe Thunderstorm Warning | BOU | Washington | 30 min |
| May 24, 1:30 PM MDT | Severe Thunderstorm Warning | BOU | Jefferson | 30 min |
| May 24, 1:59 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Broomfield, Jefferson | 31 min |
| May 24, 2:05 PM MDT | Severe Thunderstorm Warning | BOU | Arapahoe, Denver | 25 min |
| May 24, 2:43 PM MDT | Severe Thunderstorm Warning | BOU | Weld | 47 min |
| May 24, 3:58 PM MDT | Severe Thunderstorm Warning | BOU | Adams | 32 min |
| May 24, 4:36 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Morgan | 24 min |
| May 24, 4:58 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Morgan | 32 min |
| May 24, 5:18 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Washington | 27 min |
| May 24, 5:31 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Morgan | 29 min |
| May 24, 5:44 PM MDT | Tornado Warning | BOU | Adams, Morgan | 31 min |
Nearby
Severe Thunderstorm Warnings in Colorado, 2016Every severe thunderstorm warning in 2016
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.