Alert archive / Colorado / Severe Thunderstorm Warnings in 2018

Severe Thunderstorm Warning 21, NWS Pueblo, CO

May 18, 2018Pueblo County, Colorado

NWS Pueblo, CO issued this severe thunderstorm warning at May 18, 2018, 6:44 PM MDT for Pueblo County, Colorado. It was in force for 22 min. 3 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 18, 2018, 6:44 PM MDT (00:44 UTC)
Expired: May 18, 2018, 7:06 PM MDT
In force: 22 min
Issued by: NWS Pueblo, CO
Area: Storm-based polygon
Hail: 1.25 in
Wind: 60.0 mph

County Pueblo County, CO

The radar

The Pueblo radar (KPUX), 43 km from the middle of the area, began a volume at 00:43 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 18, 6:46 PM MDT	HAIL 1	2 Ese Pueblo West, CO	REPORTED AT COUNTRYSIDE AND HEMLOCK PUEBLO, CO.
May 18, 6:47 PM MDT	HAIL 0.75	5 Nne Pueblo West, CO
May 18, 6:48 PM MDT	HAIL 1	1 Ene Pueblo West, 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
May 18, 3:02 PM MDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Denver, CO (KDEN), launched 00:00Z, 0.7 hours before the alert went out and 213 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 280 J/kg
Mixed-layer CIN: -30 J/kg
Mixed-layer LCL: 1129 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 27 m²/s²
0-3 km storm-relative helicity: 38 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.6

Open this sounding in Storm Lab

The text

As transmitted.

593 
WUUS55 KPUB 190044
SVRPUB
COC101-190130-
/O.NEW.KPUB.SV.W.0021.180519T0044Z-180519T0130Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Pueblo CO
644 PM MDT FRI MAY 18 2018

The National Weather Service in Pueblo has issued a

* Severe Thunderstorm Warning for...
  North central Pueblo County in southeastern Colorado...

* Until 730 PM MDT

* At 643 PM MDT, a severe thunderstorm was located near Pueblo
  Reservoir, or near Pueblo, moving east at 15 mph.

  HAZARD...60 mph wind gusts and half dollar size hail. 

  SOURCE...Radar indicated. 

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees. 

* Locations impacted include...
  Pueblo, Pueblo Reservoir, and Pueblo West.

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!

&&

LAT...LON 3819 10478 3839 10480 3845 10437 3818 10434
TIME...MOT...LOC 0043Z 264DEG 14KT 3829 10470 

HAIL...1.25IN
WIND...60MPH
 
$$

28

3 follow-up statements

029 
WWUS55 KPUB 190053
SVSPUB

Severe Weather Statement
National Weather Service Pueblo CO
653 PM MDT FRI MAY 18 2018

COC101-190130-
/O.CON.KPUB.SV.W.0021.000000T0000Z-180519T0130Z/
Pueblo CO-
653 PM MDT FRI MAY 18 2018

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM MDT
FOR NORTH CENTRAL PUEBLO COUNTY...

At 652 PM MDT, a severe thunderstorm was located near Pueblo, moving
east at 10 mph.

HAZARD...60 mph wind gusts and quarter size hail. 

SOURCE...Radar indicated. 

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees. 

Locations impacted include...
Pueblo and Pueblo West.

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.

&&

LAT...LON 3819 10474 3839 10478 3845 10437 3818 10434
TIME...MOT...LOC 0052Z 248DEG 11KT 3830 10467 

HAIL...1.00IN
WIND...60MPH
 
$$

28

800 
WWUS55 KPUB 190100
SVSPUB

Severe Weather Statement
National Weather Service Pueblo CO
700 PM MDT FRI MAY 18 2018

COC101-190130-
/O.CON.KPUB.SV.W.0021.000000T0000Z-180519T0130Z/
Pueblo CO-
700 PM MDT FRI MAY 18 2018

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM MDT
FOR NORTH CENTRAL PUEBLO COUNTY...

At 700 PM MDT, a severe thunderstorm was located over northwestern
Pueblo, moving east at 15 mph.

HAZARD...60 mph wind gusts and quarter size hail. 

SOURCE...Radar indicated. 

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees. 

Locations impacted include...
Pueblo. 

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.

&&

LAT...LON 3821 10468 3839 10476 3845 10437 3818 10434
TIME...MOT...LOC 0100Z 250DEG 13KT 3832 10463 

HAIL...1.00IN
WIND...60MPH
 
$$

28

136 
WWUS55 KPUB 190106
SVSPUB

Severe Weather Statement
National Weather Service Pueblo CO
706 PM MDT FRI MAY 18 2018

COC101-190116-
/O.CAN.KPUB.SV.W.0021.000000T0000Z-180519T0130Z/
Pueblo CO-
706 PM MDT FRI MAY 18 2018

...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL PUEBLO COUNTY IS
CANCELLED...
                
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 has been cancelled.  However small hail is
still possible with this thunderstorm.

A severe thunderstorm watch remains in effect until 1000 PM MDT for
southeastern Colorado.

LAT...LON 3821 10468 3839 10476 3845 10437 3818 10434
TIME...MOT...LOC 0105Z 264DEG 14KT 3832 10460 

$$

28

The office that day

Everything else NWS Pueblo, CO issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 18, 6:04 PM MDT	Severe Thunderstorm Warning	PUB	Bent, Kiowa, Prowers	41 min
May 18, 6:09 PM MDT	Special Weather Statement	PUB	El Paso	36 min
May 18, 6:42 PM MDT	Severe Thunderstorm Warning	PUB	Kiowa	48 min
May 18, 6:46 PM MDT	Severe Thunderstorm Warning	PUB	Kiowa, Prowers	29 min
May 18, 7:09 PM MDT	Severe Thunderstorm Warning	PUB	Kiowa, Prowers	51 min
May 18, 10:38 PM MDT	Special Weather Statement	PUB	Prowers	52 min
May 19, 2:58 PM MDT	Special Weather Statement	PUB	Custer	47 min
May 19, 3:14 PM MDT	Severe Thunderstorm Warning	PUB	Custer, Pueblo	17 min

Nearby

Severe Thunderstorm Warnings in Colorado, 2018 Every severe thunderstorm warning in 2018

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.