Alert archive / Colorado / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 28, NWS Denver/Boulder, CO

May 24, 2016Adams County, Morgan County, Colorado

NWS Denver/Boulder, CO issued this severe thunderstorm warning at May 24, 2016, 5:31 PM MDT for Adams County, Morgan County, Colorado. It was in force for 29 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, 5:31 PM MDT (23:31 UTC)
Expired
May 24, 2016, 6:00 PM MDT
In force
29 min
Issued by
NWS Denver/Boulder, CO
Area
Storm-based polygon
Hail
1.25 in
Wind
50.0 mph

Counties Adams County, CO, Morgan County, CO

The radar

The Denver radar (KFTG), 78 km from the middle of the area, began a volume at 23:30 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.

IssuedProductOfficeLasted
May 24, 12:45 PM MDTTornado WatchSPC7 hr

The nearest sounding before it

Denver, CO (KDEN), launched 12:00Z, 11.5 hours before the alert went out and 44 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.

Skew-T log-pSkew-T log-p diagram, Denver, CO at 12:00Z on 2016-05-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Denver, CO at 12:00Z on 2016-05-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 89 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
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

Open this sounding in Storm Lab

The text

As transmitted.

895 
WUUS55 KBOU 242331
SVRBOU
COC001-087-250000-
/O.NEW.KBOU.SV.W.0028.160524T2331Z-160525T0000Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE DENVER CO
531 PM MDT TUE MAY 24 2016

THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN MORGAN COUNTY IN NORTHEASTERN COLORADO...
  NORTHEASTERN ADAMS COUNTY IN NORTHEASTERN COLORADO...

* UNTIL 600 PM MDT

* AT 530 PM MDT...A SEVERE THUNDERSTORM WAS LOCATED OVER TWELVE-MILE
  CORNER...OR 14 MILES SOUTH OF FORT MORGAN...MOVING EAST AT 30 MPH.

  HAZARD...HALF DOLLAR SIZE HAIL. 

  SOURCE...RADAR INDICATED. A SPOTTER IN SOUTHERN MORGAN COUNTY
           REPORTED QUARTER SIZED HAIL AT 525 PM MDT. 

  IMPACT...DAMAGE TO VEHICLES IS EXPECTED. 

* LOCATIONS IMPACTED INCLUDE...
  BRUSH...TWELVE-MILE CORNER...ADENA SCHOOL...ADENA AND GARY. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. TORNADOES CAN
DEVELOP QUICKLY FROM SEVERE THUNDERSTORMS. ALTHOUGH A TORNADO IS NOT
IMMEDIATELY LIKELY...IF ONE IS SPOTTED...ACT QUICKLY AND MOVE TO A
PLACE OF SAFETY INSIDE A STURDY STRUCTURE...SUCH AS A BASEMENT OR
SMALL INTERIOR ROOM.

PREPARE IMMEDIATELY FOR LARGE HAIL AND DEADLY CLOUD TO GROUND
LIGHTNING. SEEK SHELTER INSIDE A WELL-BUILT STRUCTURE. STAY AWAY FROM
WINDOWS.

HEAVY RAINFALL MAY ALSO PRODUCE LOCALIZED FLOODING.

&&

A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM MDT FOR NORTHEASTERN
COLORADO.

LAT...LON 4004 10350 4000 10361 4000 10370 3996 10370
      3988 10393 4013 10394 4027 10364
TIME...MOT...LOC 2330Z 251DEG 24KT 4006 10382 

HAIL...1.25IN
WIND...<50MPH

$$

DANKERS

The office that day

Everything else NWS Denver/Boulder, CO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 24, 1:30 AM MDTSevere Thunderstorm WarningBOUWashington30 min
May 24, 1:30 PM MDTSevere Thunderstorm WarningBOUJefferson30 min
May 24, 1:59 PM MDTSevere Thunderstorm WarningBOUAdams, Broomfield, Jefferson31 min
May 24, 2:05 PM MDTSevere Thunderstorm WarningBOUArapahoe, Denver25 min
May 24, 2:30 PM MDTSevere Thunderstorm WarningBOUAdams, Broomfield, Weld45 min
May 24, 2:43 PM MDTSevere Thunderstorm WarningBOUWeld47 min
May 24, 3:58 PM MDTSevere Thunderstorm WarningBOUAdams32 min
May 24, 4:36 PM MDTSevere Thunderstorm WarningBOUAdams, Morgan24 min
May 24, 4:58 PM MDTSevere Thunderstorm WarningBOUAdams, Morgan32 min
May 24, 5:18 PM MDTSevere Thunderstorm WarningBOUAdams, Washington27 min
May 24, 5:44 PM MDTTornado Warning Tornado observedBOUAdams, Morgan31 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.