Alert archive / Colorado / Severe Thunderstorm Warnings in 2018

Severe Thunderstorm Warning 201, NWS Pueblo, CO

July 29, 2018Prowers County, Colorado

NWS Pueblo, CO issued this severe thunderstorm warning at Jul 29, 2018, 8:31 PM MDT for Prowers County, Colorado. It was in force for 17 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: Jul 29, 2018, 8:31 PM MDT (02:31 UTC)
Expired: Jul 29, 2018, 8:48 PM MDT
In force: 17 min
Issued by: NWS Pueblo, CO
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Prowers County, CO

The radar

The Pueblo radar (KPUX), 154 km from the middle of the area, began a volume at 02:32 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
Jul 29, 7:03 PM MDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Denver, CO (KDEN), launched 00:00Z, 2.5 hours before the alert went out and 207 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: 943 J/kg
Mixed-layer CIN: -220 J/kg
Mixed-layer LCL: 1653 m above ground
0-6 km bulk shear: 58 kt
0-1 km storm-relative helicity: 101 m²/s²
0-3 km storm-relative helicity: 191 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.8

Open this sounding in Storm Lab

The text

As transmitted.

913 
WUUS55 KPUB 300231
SVRPUB
COC099-300315-
/O.NEW.KPUB.SV.W.0201.180730T0231Z-180730T0315Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Pueblo CO
831 PM MDT SUN JUL 29 2018

The National Weather Service in Pueblo has issued a

* Severe Thunderstorm Warning for...
  Northern Prowers County in southeastern Colorado...

* Until 915 PM MDT.

* At 830 PM MDT, a severe thunderstorm was located 7 miles northeast
  of Lamar, moving southeast at 45 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...
  Lamar, Granada, Hartman and Bristol. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3813 10266 3826 10251 3812 10215 3790 10238
TIME...MOT...LOC 0230Z 309DEG 40KT 3815 10252 

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

28

3 follow-up statements

732 
WWUS55 KPUB 300237
SVSPUB

Severe Weather Statement
National Weather Service Pueblo CO
837 PM MDT SUN JUL 29 2018

COC099-300315-
/O.CON.KPUB.SV.W.0201.000000T0000Z-180730T0315Z/
Prowers CO-
837 PM MDT SUN JUL 29 2018

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 915 PM MDT
FOR NORTHERN PROWERS COUNTY...

At 837 PM MDT, a severe thunderstorm was located 7 miles west of
Bristol, or 8 miles east of Lamar, moving southeast at 40 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...
Granada, Hartman and Bristol. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3813 10266 3826 10251 3812 10215 3790 10238
TIME...MOT...LOC 0237Z 313DEG 34KT 3810 10246 

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

28

204 
WWUS55 KPUB 300246
SVSPUB

Severe Weather Statement
National Weather Service Pueblo CO
846 PM MDT SUN JUL 29 2018

COC099-300315-
/O.CON.KPUB.SV.W.0201.000000T0000Z-180730T0315Z/
Prowers CO-
846 PM MDT SUN JUL 29 2018

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 915 PM MDT
FOR NORTHEASTERN PROWERS COUNTY...

At 846 PM MDT, a severe thunderstorm was located near Granada, or 11
miles east of Lamar, moving southeast at 25 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...
Granada, Hartman and Bristol. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3805 10257 3818 10239 3812 10215 3790 10238
TIME...MOT...LOC 0246Z 307DEG 20KT 3807 10241 

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

28

456 
WWUS55 KPUB 300248
SVSPUB

Severe Weather Statement
National Weather Service Pueblo CO
848 PM MDT SUN JUL 29 2018

COC099-300258-
/O.CAN.KPUB.SV.W.0201.000000T0000Z-180730T0315Z/
Prowers CO-
848 PM MDT SUN JUL 29 2018

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN PROWERS 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 gusty winds are
still possible with this thunderstorm.

A Severe Thunderstorm Watch remains in effect until 100 AM MDT for
southeastern Colorado.

LAT...LON 3805 10257 3818 10239 3812 10215 3790 10238
TIME...MOT...LOC 0246Z 309DEG 40KT 3806 10239 

$$

28

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 29, 6:06 PM MDT	Special Weather Statement	PUB	Alamosa	24 min
Jul 29, 6:23 PM MDT	Flash Flood Warning	PUB	Costilla, Huerfano	82 min
Jul 29, 7:00 PM MDT	Severe Thunderstorm Warning	PUB	Kiowa	45 min
Jul 29, 7:09 PM MDT	Special Weather Statement	PUB	Las Animas	36 min
Jul 29, 7:38 PM MDT	Special Weather Statement	PUB	Las Animas	52 min
Jul 29, 7:39 PM MDT	Severe Thunderstorm Warning	PUB	Kiowa, Prowers	51 min
Jul 29, 8:11 PM MDT	Special Weather Statement	PUB	Kiowa	19 min
Jul 29, 8:23 PM MDT	Severe Thunderstorm Warning	PUB	Prowers	37 min
Jul 29, 8:58 PM MDT	Severe Thunderstorm Warning	PUB	El Paso	47 min
Jul 29, 9:19 PM MDT	Special Weather Statement	PUB	Baca	41 min
Jul 29, 9:26 PM MDT	Severe Thunderstorm Warning	PUB	Baca, Prowers	34 min
Jul 29, 9:32 PM MDT	Severe Thunderstorm Warning	PUB	Crowley, El Paso, Pueblo	43 min
Jul 29, 9:54 PM MDT	Severe Thunderstorm Warning	PUB	Baca	53 min
Jul 29, 10:11 PM MDT	Severe Thunderstorm Warning	PUB	Crowley, Otero, Pueblo	49 min
Jul 29, 10:25 PM MDT	Special Weather Statement	PUB	Kiowa	35 min
Jul 29, 10:54 PM MDT	Severe Thunderstorm Warning	PUB	Las Animas, Otero	51 min
Jul 29, 11:58 PM MDT	Special Weather Statement	PUB	Las Animas	47 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.