Alert archive / Colorado / Special Weather Statements in 2017

Special Weather Statement, NWS Pueblo, CO

July 31, 2017Fremont County, Colorado

NWS Pueblo, CO issued this special weather statement at Jul 31, 2017, 11:58 AM MDT for Fremont County, Colorado. It was in force for 92 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 31, 2017, 11:58 AM MDT (17:58 UTC)
Expired
Jul 31, 2017, 1:30 PM MDT
In force
92 min
Issued by
NWS Pueblo, CO

County Fremont County, CO

The radar

The Pueblo radar (KPUX), 73 km from the middle of the area, began a volume at 18:02 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

Albuquerq/Krtlnd, NM (KABQ), launched 12:00Z, 6.0 hours before the alert went out and 412 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-pSkew-T log-p diagram, Albuquerq/Krtlnd, NM at 12:00Z on 2017-07-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 92 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Albuquerq/Krtlnd, NM at 12:00Z on 2017-07-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 9 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
92 J/kg
Mixed-layer CIN
-104 J/kg
Mixed-layer LCL
1316 m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
9 m²/s²
0-3 km storm-relative helicity
29 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 Jul 31, 11:33 AM MDT, 25 minutes earlier.

Area forecast discussion, Jul 31, 11:33 AM MDT, 25 minutes before
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Hazardous weather outlook, Jul 31, 11:30 AM MDT, 28 minutes before
Hazardous Weather Outlook
National Weather Service Pueblo CO
1130 AM MDT Mon Jul 31 2017

COZ058>089-093>099-011730-
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-
1130 AM MDT Mon Jul 31 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 the area
this afternoon. The main risks with thunderstorms will be locally
heavy rainfall and lightning. Some small hail up to 1/2 inch in
diameter and wind gusts up to 50 mph will be likely with the
stronger storms. Although the risk for flash flooding will be less
than during the past few days, flash flooding could still occur
if heavy rain falls on burn scars, urban areas or locations with
already saturated soil conditions.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday

Isolated to scattered showers and thunderstorms are expected. At
this time, the greatest potential for more widespread
precipitation will be from later Wednesday into Thursday night,
and again during the weekend. The stronger storms will be capable
of producing heavy rain and localized flash flooding, lightning,
small hail and gusty winds.

.SPOTTER INFORMATION STATEMENT...

Weather conditions that meet reporting criteria for spotters will be
possible this afternoon and evening across south central and
southeast Colorado.

13/13

In the hours before

Local storm report, Jul 31, 8:48 AM MDT, 3 hours 10 minutes before
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Special weather statement, Jul 31, 11:58 AM MDT, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jul 30, 6:00 PM MDTAreal Flood AdvisoryPUBLas Animas3 hr
Jul 30, 6:04 PM MDTAreal Flood AdvisoryPUBBent, Kiowa, Prowers3 hr
Jul 30, 6:16 PM MDTAreal Flood AdvisoryPUBProwers119 min
Jul 30, 6:21 PM MDTAreal Flood AdvisoryPUBBaca114 min
Jul 30, 6:23 PM MDTSpecial Weather StatementPUBBent37 min
Jul 30, 6:25 PM MDTSpecial Weather StatementPUB35 min
Jul 30, 7:08 PM MDTSpecial Weather StatementPUBBent22 min
Jul 30, 7:21 PM MDTAreal Flood AdvisoryPUBBent3 hr
Jul 30, 9:51 PM MDTAreal Flood AdvisoryPUBBent114 min
Jul 31, 9:20 AM MDTRiver Flood WarningPUBBent49 hr
Jul 31, 12:41 PM MDTSpecial Weather StatementPUBPueblo49 min
Jul 31, 1:30 PM MDTAreal Flood AdvisoryPUBPueblo2 hr
Jul 31, 1:51 PM MDTSpecial Weather StatementPUBEl Paso24 min
Jul 31, 1:56 PM MDTSpecial Weather StatementPUBPueblo34 min
Jul 31, 2:06 PM MDTAreal Flood AdvisoryPUBEl Paso114 min
Jul 31, 2:12 PM MDTAreal Flood AdvisoryPUBPueblo2 hr
Jul 31, 2:24 PM MDTSpecial Weather StatementPUBPueblo51 min
Jul 31, 2:29 PM MDTSpecial Weather StatementPUBEl Paso46 min
Jul 31, 2:53 PM MDTAreal Flood AdvisoryPUBHuerfano, Pueblo2 hr
Jul 31, 4:04 PM MDTSpecial Weather StatementPUBCuster26 min
Jul 31, 4:11 PM MDTSpecial Weather StatementPUBFremont49 min
Jul 31, 4:36 PM MDTSpecial Weather StatementPUBEl Paso24 min
Jul 31, 4:48 PM MDTSpecial Weather StatementPUBHuerfano42 min
Jul 31, 4:53 PM MDTSpecial Weather StatementPUBEl Paso22 min
Jul 31, 5:17 PM MDTAreal Flood AdvisoryPUBEl Paso3 hr
Jul 31, 5:35 PM MDTSpecial Weather StatementPUBChaffee25 min
Jul 31, 5:49 PM MDTAreal Flood AdvisoryPUBChaffee116 min

Nearby

Special Weather Statements in Colorado, 2017Every 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.