Alert archive / Colorado / Special Weather Statements in 2017

Special Weather Statement, NWS Pueblo, CO

August 12, 2017El Paso County, Colorado

NWS Pueblo, CO issued this special weather statement at Aug 12, 2017, 6:45 PM MDT for El Paso County, Colorado. It was in force for 90 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: Aug 12, 2017, 6:45 PM MDT (00:45 UTC)
Expired: Aug 12, 2017, 8:15 PM MDT
In force: 90 min
Issued by: NWS Pueblo, CO

County El Paso County, CO

The radar

The Pueblo radar (KPUX), 21 km from the middle of the area, began a volume at 00:49 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 nearest sounding before it

Denver, CO (KDEN), launched 00:00Z, 0.8 hours before the alert went out and 169 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 2378 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 120 m²/s²
0-3 km storm-relative helicity: 194 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Pueblo, CO wrote its last area forecast discussion before this special weather statement went out at Aug 12, 5:30 PM MDT, 1 hour 15 minutes earlier.

Area forecast discussion, Aug 12, 5:30 PM MDT, 1 hour 15 minutes before

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Hazardous weather outlook, Aug 12, 6:07 PM MDT, 38 minutes before

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In the hours before

Special weather statement, Aug 12, 4:19 PM MDT, 2 hours 26 minutes before

Special Weather Statement
National Weather Service Pueblo CO
419 PM MDT SAT AUG 12 2017

COZ084-085-122345-
Colorado Springs Vicinity/Southern El Paso County/Rampart Range Below
7400 Ft CO-
Northern El Paso County/Monument Ridge/Rampart Range Below 7500 Ft
CO-
419 PM MDT SAT AUG 12 2017

...SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN EL PASO COUNTY UNTIL
545 PM MDT...

At 418 PM MDT, Doppler radar was tracking a developoing strong
thunderstorm near Peyton, or 22 miles northeast of Colorado Springs,
moving east at 10 mph.

Nickel size hail and winds in excess of 40 mph will be possible with
this storm.

Locations impacted include...
Calhan, Ramah and Peyton.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Heavy rainfall is also occurring with this storm, and may lead to
localized flooding. Do not drive your vehicle through flooded
roadways.

This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

&&

LAT...LON 3889 10405 3888 10406 3886 10450 3904 10454
      3913 10414 3913 10411
TIME...MOT...LOC 2218Z 260DEG 7KT 3897 10443

Local storm report, Aug 12, 4:54 PM MDT, 1 hour 51 minutes before

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Special weather statement, Aug 12, 4:59 PM MDT, 1 hour 46 minutes before

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Special weather statement, Aug 12, 6:01 PM MDT, 44 minutes before

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Special weather statement, Aug 12, 6:45 PM MDT, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 12, 6:01 PM MDT	Special Weather Statement	PUB	El Paso	89 min
Aug 12, 7:44 PM MDT	Special Weather Statement	PUB	Kiowa	91 min
Aug 12, 7:50 PM MDT	Special Weather Statement	PUB	Pueblo	40 min
Aug 12, 7:53 PM MDT	Special Weather Statement	PUB	Pueblo	37 min
Aug 12, 8:10 PM MDT	Special Weather Statement	PUB	Kiowa	50 min
Aug 12, 8:42 PM MDT	Special Weather Statement	PUB	Kiowa	48 min
Aug 12, 9:10 PM MDT	Special Weather Statement	PUB	Bent	35 min
Aug 12, 9:25 PM MDT	Special Weather Statement	PUB	Pueblo	50 min
Aug 12, 9:36 PM MDT	Special Weather Statement	PUB	Bent, Prowers	24 min
Aug 12, 10:19 PM MDT	Special Weather Statement	PUB	Baca	26 min
Aug 12, 11:51 PM MDT	Special Weather Statement	PUB	Las Animas	24 min
Aug 13, 1:40 AM MDT	Special Weather Statement	PUB	Baca	35 min
Aug 13, 12:23 PM MDT	Special Weather Statement	PUB	Chaffee	37 min
Aug 13, 1:29 PM MDT	Special Weather Statement	PUB	Conejos	31 min
Aug 13, 2:09 PM MDT	Special Weather Statement	PUB	Conejos	36 min
Aug 13, 2:16 PM MDT	Severe Thunderstorm Warning	PUB	Conejos	29 min
Aug 13, 2:21 PM MDT	Severe Thunderstorm Warning	PUB	Baca	24 min
Aug 13, 2:25 PM MDT	Special Weather Statement	PUB		35 min
Aug 13, 2:44 PM MDT	Severe Thunderstorm Warning	PUB	Baca, Bent, Prowers	46 min
Aug 13, 2:46 PM MDT	Special Weather Statement	PUB	Costilla	29 min
Aug 13, 3:30 PM MDT	Severe Thunderstorm Warning	PUB	Prowers	45 min
Aug 13, 4:03 PM MDT	Severe Thunderstorm Warning	PUB	Prowers	42 min
Aug 13, 4:17 PM MDT	Special Weather Statement	PUB	El Paso	28 min
Aug 13, 4:44 PM MDT	Severe Thunderstorm Warning	PUB	Prowers	46 min
Aug 13, 4:49 PM MDT	Special Weather Statement	PUB	El Paso	26 min
Aug 13, 5:14 PM MDT	Special Weather Statement	PUB	Pueblo	31 min
Aug 13, 5:26 PM MDT	Special Weather Statement	PUB	Crowley	34 min
Aug 13, 5:45 PM MDT	Special Weather Statement	PUB	Las Animas	15 min

Nearby

Special Weather Statements in Colorado, 2017 Every special weather statement in 2017

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.