Alert archive / Colorado / Severe Thunderstorm Warnings in 2018

Severe Thunderstorm Warning 13, NWS Pueblo, CO

May 18, 2018Custer County, Fremont County, Pueblo County, Colorado

NWS Pueblo, CO issued this severe thunderstorm warning at May 18, 2018, 3:55 PM MDT for Custer County, Fremont County, Pueblo County, Colorado. It was in force for 35 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 18, 2018, 3:55 PM MDT (21:55 UTC)
Expired: May 18, 2018, 4:30 PM MDT
In force: 35 min
Issued by: NWS Pueblo, CO
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Custer County, CO, Fremont County, CO, Pueblo County, CO

The radar

The Pueblo radar (KPUX), 87 km from the middle of the area, began a volume at 21:59 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 18, 3:02 PM MDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Denver, CO (KDEN), launched 12:00Z, 9.9 hours before the alert went out and 237 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: 190 J/kg
Mixed-layer CIN: -65 J/kg
Mixed-layer LCL: 862 m above ground
0-6 km bulk shear: 42 kt
0-1 km storm-relative helicity: 51 m²/s²
0-3 km storm-relative helicity: 48 m²/s²
Significant tornado parameter: -0.0
Supercell composite: -0.4

Open this sounding in Storm Lab

The text

As transmitted.

296 
WUUS55 KPUB 182155
SVRPUB
COC027-043-101-182230-
/O.NEW.KPUB.SV.W.0013.180518T2155Z-180518T2230Z/

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

The National Weather Service in Pueblo has issued a

* Severe Thunderstorm Warning for...
  Eastern Fremont County in central Colorado...
  Northeastern Custer County in southeastern Colorado...
  Northwestern Pueblo County in southeastern Colorado...

* Until 430 PM MDT

* At 355 PM MDT, a severe thunderstorm was located near Canon City,
  or 34 miles west of Pueblo, moving northeast 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...
  Florence, Royal Gorge, Canon City and Penrose. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3819 10514 3838 10542 3860 10527 3845 10489
TIME...MOT...LOC 2155Z 210DEG 8KT 3837 10525 

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


Skelly

2 follow-up statements

345 
WWUS55 KPUB 182208
SVSPUB

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

COC027-043-101-182230-
/O.CON.KPUB.SV.W.0013.000000T0000Z-180518T2230Z/
Fremont CO-Custer CO-Pueblo CO-
408 PM MDT FRI MAY 18 2018

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 PM MDT
FOR EASTERN FREMONT...NORTHEASTERN CUSTER AND NORTHWESTERN PUEBLO
COUNTIES...

At 407 PM MDT, a severe thunderstorm was located near Canon City, or
34 miles west of Pueblo, moving northeast 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...
Florence, Royal Gorge, Canon City and Penrose. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3819 10514 3838 10542 3860 10527 3845 10489
TIME...MOT...LOC 2207Z 210DEG 8KT 3839 10523 

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


Skelly

647 
WWUS55 KPUB 182221
SVSPUB

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

COC027-043-101-182230-
/O.CON.KPUB.SV.W.0013.000000T0000Z-180518T2230Z/
Fremont CO-Custer CO-Pueblo CO-
421 PM MDT FRI MAY 18 2018

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 PM MDT
FOR EASTERN FREMONT...NORTHEASTERN CUSTER AND NORTHWESTERN PUEBLO
COUNTIES...

At 421 PM MDT, a severe thunderstorm was located near Florence, or 30
miles west of Pueblo, moving northeast 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...
Florence, Royal Gorge, Canon City and Penrose. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3822 10511 3830 10525 3840 10539 3860 10527
      3845 10489
TIME...MOT...LOC 2221Z 219DEG 13KT 3835 10517 

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


Skelly

The office that day

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

Issued	Product	Office	Counties	Lasted
May 18, 4:14 AM MDT	Red Flag Warning	PUB	Baca, Las Animas	10 hr
May 18, 2:11 PM MDT	Special Weather Statement	PUB	Fremont	34 min
May 18, 2:16 PM MDT	Severe Thunderstorm Warning	PUB	Custer, Fremont	29 min
May 18, 2:35 PM MDT	Special Weather Statement	PUB	Teller	25 min
May 18, 2:40 PM MDT	Severe Thunderstorm Warning	PUB	El Paso	35 min
May 18, 2:44 PM MDT	Severe Thunderstorm Warning	PUB	Custer, Fremont	31 min
May 18, 2:55 PM MDT	Severe Thunderstorm Warning	PUB	El Paso, Teller	35 min
May 18, 3:12 PM MDT	Severe Thunderstorm Warning	PUB	El Paso	48 min
May 18, 3:22 PM MDT	Severe Thunderstorm Warning	PUB	Custer, Fremont, Pueblo	38 min
May 18, 3:24 PM MDT	Areal Flood Advisory	PUB	El Paso	2 hr
May 18, 3:47 PM MDT	Flash Flood Warning	PUB	El Paso	94 min
May 18, 3:54 PM MDT	Severe Thunderstorm Warning	PUB	El Paso	51 min
May 18, 4:46 PM MDT	Special Weather Statement	PUB	Fremont	29 min
May 18, 4:55 PM MDT	Severe Thunderstorm Warning	PUB	Bent, Las Animas, Otero	50 min
May 18, 5:24 PM MDT	Special Weather Statement	PUB	Fremont	36 min
May 18, 5:29 PM MDT	Severe Thunderstorm Warning	PUB	Bent, Otero	46 min
May 18, 5:34 PM MDT	Severe Thunderstorm Warning	PUB	Fremont, Pueblo	26 min
May 18, 5:39 PM MDT	Special Weather Statement	PUB	El Paso	36 min
May 18, 5:44 PM MDT	Severe Thunderstorm Warning	PUB	Baca, Bent, Las Animas	35 min
May 18, 5:59 PM MDT	Severe Thunderstorm Warning	PUB	Fremont, Pueblo	46 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.