Alert archive / Colorado / Special Weather Statements in 2017

Special Weather Statement, NWS Pueblo, CO

October 6, 2017Prowers County, Colorado

NWS Pueblo, CO issued this special weather statement at Oct 6, 2017, 5:38 PM MDT for Prowers County, Colorado. It was in force for 37 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: Oct 6, 2017, 5:38 PM MDT (23:38 UTC)
Expired: Oct 6, 2017, 6:15 PM MDT
In force: 37 min
Issued by: NWS Pueblo, CO

County Prowers County, CO

The radar

The Goodland radar (KGLD), 174 km from the middle of the area, began a volume at 23:41 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

Dodge City, (KDDC), launched 12:00Z, 11.6 hours before the alert went out and 204 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: 453 J/kg
Mixed-layer CIN: -58 J/kg
Mixed-layer LCL: 575 m above ground
0-6 km bulk shear: 33 kt
0-1 km storm-relative helicity: 174 m²/s²
0-3 km storm-relative helicity: 112 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.5

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 Oct 6, 3:59 PM MDT, 1 hour 39 minutes earlier.

Area forecast discussion, Oct 6, 3:59 PM MDT, 1 hour 39 minutes before

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Hazardous weather outlook, Oct 6, 9:40 AM MDT, 7 hours 58 minutes before

Hazardous Weather Outlook
National Weather Service Pueblo CO
940 AM MDT Fri Oct 6 2017

COZ058>089-093>099-071545-
Western Mosquito Range/East Lake County Above 11000 Ft-
Leadville Vicinity/Lake County Below 11000 Ft-
Eastern Sawatch Mountains above 11000 Ft-
Western Chaffee County Between 9000 and 11000 Ft-
Central Chaffee County Below 9000 Ft-
Western Mosquito Range/East Chaffee County above 9000Ft-
Saguache County West of Continental Divide Below 10000 Ft-
Saguache County East of Continental Divide below 10000 Ft-
La Garita Mountains Above 10000 Ft-
Upper Rio Grande Valley/Eastern San Juan Mountains Below 10000 Ft-
Eastern San Juan Mountains Above 10000 Ft-
Del Norte Vicinity/Northern San Luis Valley Below 8500 Ft-
Alamosa  Vicinity/Central San Luis Valley Below 8500 Ft-
Southern San Luis Valley-
Northern Sangre de Cristo Mountains Between 8500 And 11000 Ft-
Northern Sangre de Cristo Mountains above 11000 Ft-
Southern Sangre de Cristo Mountains Between 7500 and 11000 Ft-
Southern Sangre de Cristo Mountains Above 11000 Ft-
Northwestern Fremont County  Above 8500Ft-
Western/Central Fremont County Below 8500 Ft-
Wet Mountain Valley Below 8500 Ft-
Wet Mountains between 6300 and 10000Ft-
Wet Mountains above 10000 Ft-
Teller County/Rampart Range above 7500fT/Pike's Peak Between
7500 And 11000 Ft-Pikes Peak above 11000 Ft-
Canon City Vicinity/Eastern Fremont County-
Northern El Paso County/Monument Ridge/Rampart Range Below
7500 Ft-
Colorado Springs Vicinity/Southern El Paso County/Rampart Range
Below 7400 Ft-Pueblo Vicinity/Pueblo County Below 6300 Feet-
Walsenburg Vicinity/Upper Huerfano River Basin Below 7500 Ft-
Trinidad Vicinity/Western Las Animas County Below 7500 Ft-
Crowley County-La Junta Vicinity/Otero County-
Eastern Las Animas County-Western Kiowa County-
Eastern Kiowa County-Las Animas Vicinity/Bent County-
Lamar Vicinity/Prowers County-Springfield Vicinity/Baca County-
940 AM MDT Fri Oct 6 2017

This hazardous weather outlook is for portions of central...east
central...south central and southeast Colorado.

.DAY ONE...Today and Tonight

Isolated to scattered thunderstorms will develop across portions
of the southeast plains this afternoon. One or two strong to
severe thunderstorms will be possible across the southeast plains
to the east of La Junta, with the strongest storms possible
across Kiowa, Prowers and Baca counties through early evening.
Large hail up to the size of golf balls, and wind gusts over 60
mph will be possible with storms near the Kansas border.

Isolated to scattered snow showers will be possible across the
central mountains, where local accumulations of up to an inch
will be possible above 12000 feet.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday

Isolated thunderstorms will be possible across the region late
Sunday afternoon and evening.

A quick moving colder airmass will begin to affect the region late
Sunday night, lasting through the day Monday before exiting the
state late Monday night. Snow in the mountains is likely, and
moderate accumulations will be possible. A mixture of rain and
snow is possible across the plains Monday, as the snow level is
forecast to drop to around 5000 feet.

Freezing temperatures may occur across northern El Paso County
early Monday morning. There is a far better chance for freezing
temperatures across much of the plains Tuesday morning, with the
possibility of a hard freeze for the I-25 corridor.

Isolated showers and thunderstorms will return to the Continental
Divide Thursday afternoon, and the eastern plains Thursday
evening.

.SPOTTER INFORMATION STATEMENT...

Weather conditions that meet reporting criteria for spotters will be
possible across the far southeast plains this afternoon through this
evening.

28/28

In the hours before

Special weather statement, Oct 6, 3:10 PM MDT, 2 hours 28 minutes before

Special Weather Statement
National Weather Service Pueblo CO
310 PM MDT FRI OCT 6 2017

COZ098-099-062200-
Springfield Vicinity/Baca County CO-Lamar Vicinity/Prowers County CO-
310 PM MDT FRI OCT 6 2017

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN PROWERS AND
NORTHEASTERN BACA COUNTIES UNTIL 400 PM MDT...

At 310 PM MDT, Doppler radar was tracking a strong thunderstorm over
Vilas, or 10 miles east of Springfield, moving northeast at 60 mph.

Nickel size hail and wind gusts up to 50 mph will be possible with
this storm.

Locations impacted include...
Walsh and Vilas.

LAT...LON 3723 10248 3737 10263 3765 10204 3739 10204
TIME...MOT...LOC 2110Z 239DEG 53KT 3736 10243

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Local storm report, Oct 6, 3:16 PM MDT, 2 hours 22 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PUEBLO CO
316 PM MDT FRI OCT 6 2017

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0234 PM     HAIL             2 ENE FALCON            38.94N 104.59W
10/06/2017  M0.50 INCH       EL PASO            CO   PUBLIC

&&

Special weather statement, Oct 6, 3:18 PM MDT, 2 hours 20 minutes before

Special Weather Statement
National Weather Service Pueblo CO
318 PM MDT FRI OCT 6 2017

COZ098-062200-
Lamar Vicinity/Prowers County CO-
318 PM MDT FRI OCT 6 2017

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN PROWERS COUNTY UNTIL
400 PM MDT...

At 318 PM MDT, Doppler radar was tracking a strong thunderstorm 14
miles northeast of Two Buttes, or 18 miles northwest of The Saunders
Elevator, moving northeast at 35 mph.

Nickel size hail and wind gusts up to 50 mph will be possible with
this storm.

This storm will remain over mainly rural areas of southeastern
Prowers County.

LAT...LON 3766 10232 3777 10240 3793 10205 3790 10204
      3766 10204
TIME...MOT...LOC 2118Z 233DEG 30KT 3771 10220

ep

Special weather statement, Oct 6, 3:41 PM MDT, 1 hour 57 minutes before

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Special weather statement, Oct 6, 4:50 PM MDT, 48 minutes before

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Special weather statement, Oct 6, 5:38 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
Oct 6, 4:09 AM MDT	Dense Fog Advisory	PUB	Bent, Crowley, Kiowa, Otero, Prowers	5 hr
Oct 6, 12:56 PM MDT	Special Weather Statement	PUB	El Paso	49 min
Oct 6, 1:10 PM MDT	Special Weather Statement	PUB	El Paso	50 min
Oct 6, 2:38 PM MDT	Special Weather Statement	PUB	El Paso	52 min
Oct 6, 2:45 PM MDT	Special Weather Statement	PUB	Baca	45 min
Oct 6, 3:10 PM MDT	Special Weather Statement	PUB	Baca	50 min
Oct 6, 3:18 PM MDT	Special Weather Statement	PUB	Prowers	42 min
Oct 6, 3:27 PM MDT	Severe Thunderstorm Warning	PUB	Baca, Prowers	20 min
Oct 6, 3:41 PM MDT	Special Weather Statement	PUB	Kiowa	34 min
Oct 6, 4:50 PM MDT	Special Weather Statement	PUB	El Paso	25 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.