Alert archive / Colorado / Special Weather Statements in 2019

Special Weather Statement, NWS Pueblo, CO

July 8, 2019Pueblo County, Colorado

NWS Pueblo, CO issued this special weather statement at Jul 8, 2019, 4:07 PM MDT for Pueblo County, Colorado. It was in force for 23 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 8, 2019, 4:07 PM MDT (22:07 UTC)
Expired
Jul 8, 2019, 4:30 PM MDT
In force
23 min
Issued by
NWS Pueblo, CO

County Pueblo County, CO

The radar

The Pueblo radar (KPUX), 30 km from the middle of the area, began a volume at 22:10 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 (KDNR), launched 12:00Z, 10.1 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-pSkew-T log-p diagram, Denver, CO at 12:00Z on 2019-07-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 35 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, Denver, CO at 12:00Z on 2019-07-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 12 square meters per square second.193958Sfc1 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
35 J/kg
Mixed-layer CIN
-226 J/kg
Mixed-layer LCL
1587 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
12 m²/s²
0-3 km storm-relative helicity
0 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 8, 3:36 PM MDT, 31 minutes earlier.

Area forecast discussion, Jul 8, 3:36 PM MDT, 31 minutes before
Area Forecast Discussion
National Weather Service Pueblo CO
336 PM MDT Mon Jul 8 2019

.SHORT TERM...(This evening through Tuesday)
Issued at 336 PM MDT Mon Jul 8 2019

Currently...Shortwave in the southwest flow aloft was tracking
across the state, tapping into the available moisture for isolated
convection across the forecast area. Temps have warmed into the 70s
for the high valleys as of 3 pm, and into the 80s to lower 90s for
the plains.

Tonight and Tomorrow...Latest HRRR model runs have a fairly decent
handle on current convection, and indicate that activity will
persist along the I-25 corridor until around 6 pm, then quickly exit
across the eastern plains between 8 and 9 pm. This is due to the
upper shortwave exiting the region, then as the upper trough crosses
the northern Rockies flow aloft becomes westerly. This westerly flow
will dry out the forecast area overnight through tomorrow, making
for mostly clear skies overnight and plenty of sun tomorrow.

The Marginal area for severe weather is still in place across the
far eastern plains, and with higher available precipitable water
amounts across the east, storms developing over or moving into
Kiowa, Bent and Prowers Counties will still need to be watched
closely through the early evening.

Clearing skies tonight will allow temps to drop into the upper 30s
to mid 40s for the high valleys, and 50s to near 60F for the plains.
Max temps tomorrow will heat up into the 80s for the high valleys,
and upper 80s to mid 90s for the plains. Moore

.LONG TERM...(Tuesday night through Monday)
Issued at 336 PM MDT Mon Jul 8 2019

Initially, basically dry meteorological conditions are expected
from Tuesday evening into early Wednesday afternoon as supported
by projected Interstate 25 precipitable water values dropping
form over 1 inch today(Monday) to under 0.70 inches in
combination with healthy upper ridging building over southern
Colorado during this time-frame. In addition, cooler maximum
temperatures are expected Wednesday afternoon in the wake of a dry
northerly surface surge moving across eastern locations Tuesday
night.

Upper ridging is then expected to remain anchored over southern
Colorado and northern New Mexico from later Wednesday into next
Monday, allowing near to above seasonal early to mid July temperatures
to prevail over the CWA during the period.

In addition, increased projected precipitable water values from
Wednesday afternoon into Friday and especially from this weekend
into possibly next Monday in combination with the diurnal heating
cycle and passing generally weak upper disturbances will allow
for increasing precipitation chances, favoring this weekend into
possibly next Monday(where an elevated potential for locally heavy
rainfall and associated primarily recent burn scar flash flood
risks may occur if recent trends continue).

Finally, latest longer range forecast model soundings and
computer simulations continue to signal that generally low-grade
gradient winds should be noted over the majority of the CWA during
the balance of the longer term.

&&

.AVIATION...(For the 00Z TAFS through 00Z Tuesday evening)
Issued at 336 PM MDT Mon Jul 8 2019

VFR conditions expected across much of the forecast area over the
next 24 hrs, including the three main TAF sites of KCOS, KPUB and
KALS. Showers and storms have developed across the forecast area
this afternoon and may affect TAF sites through 00z this eve, with
all activity forecast to exit the plains between 02z-03z. Conditions
may become MVFR to at times IFR under heavier showers and storms.
Clearing skies then tonight, with mostly clear conditions overnight
and tomorrow morning.

&&

.PUB WATCHES/WARNINGS/ADVISORIES...

NONE.

&&
Hazardous weather outlook, Jul 8, 11:23 AM MDT, 4 hours 44 minutes before
Hazardous Weather Outlook
National Weather Service Pueblo CO
1123 AM MDT Mon Jul 8 2019

COZ058>089-093>099-091730-
Western Mosquito Range/East Lake County Above 11000 Feet-
Leadville Vicinity/Lake County Below 11000 Feet-
Eastern Sawatch Mountains Above 11000 Feet-
Western Chaffee County Between 9000 and 11000 Feet-
Central Chaffee County Below 9000 Feet-
Western Mosquito Range/East Chaffee County Above 9000 Feet-
Saguache County West of Continental Divide Below 10000 Feet-
Saguache County East of Continental Divide Below 10000 Feet-
La Garita Mountains Above 10000 Feet-
Upper Rio Grande Valley/Eastern San Juan Mountains Below
10000 Feet-Eastern San Juan Mountains Above 10000 Feet-
Del Norte Vicinity/Northern San Luis Valley Below 8500 Feet-
Alamosa  Vicinity/Central San Luis Valley Below 8500 Feet-
Southern San Luis Valley-
Northern Sangre de Cristo Mountains Between 8500 And 11000 Feet-
Northern Sangre de Cristo Mountains Above 11000 Feet-
Southern Sangre de Cristo Mountains Between 7500 and 11000 Feet-
Southern Sangre de Cristo Mountains Above 11000 Feet-
Northwestern Fremont County Above 8500 Feet-
Western/Central Fremont County Below 8500 Feet-
Wet Mountain Valley Below 8500 Feet-
Wet Mountains between 6300 and 10000 Feet-
Wet Mountains Above 10000 Feet-
Teller County/Rampart Range Above 7500 Feet/Pikes Peak Between
7500 And 11000 Feet-Pikes Peak Above 11000 Feet-
Canon City Vicinity/Eastern Fremont County-
Northern El Paso County/Monument Ridge/Rampart Range Below
7500 Feet-
Colorado Springs Vicinity/Southern El Paso County/Rampart Range
Below 7400 Feet-Pueblo Vicinity/Pueblo County Below 6300 Feet-
Walsenburg Vicinity/Upper Huerfano River Basin Below 7500 Feet-
Trinidad Vicinity/Western Las Animas County Below 7500 Feet-
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-
1123 AM MDT Mon Jul 8 2019

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

.DAY ONE...This Afternoon and Tonight

Isolated to scattered showers and thunderstorms are expected to
develop across the higher terrain this afternoon, with storms
moving north and east across the adjacent plains through the
evening. The main threats from storms will be lightning, gusty
winds up to 45 mph, small hail and locally heavy rain. However,
one or two storms across the far southeast Plains, mainly north of
Highway 50 in Bent, Prowers and Kiowa Counties, could be strong
to severe, producing gusty winds up to 60 mph and large hail up to
the size of quarters. Although storms will be moving faster than
the past few days, localized flash flooding will remain possible,
especially if storms form or move across the Spring, Junkins or
Hayden Pass burn scars.

High and fast river flows from snow melt runoff will continue today,
with portions of the Arkansas River and the Rio Grande running high.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday

After a dry day on Tuesday, thunderstorm chances will begin to
increase from Wednesday into the weekend, with the best chance for
storms over the mountains and interior valleys through the
period. On the plains, storm chances will be lower, and limited
mainly to areas along the Interstate 25 corridor. The main storm
threats each day will be lightning and gusty winds up to 50 mph,
with stronger storms capable of producing small hail and locally
heavy rain.

.SPOTTER INFORMATION STATEMENT...

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

27/77

In the hours before

Special weather statement, Jul 8, 2:34 PM MDT, 1 hour 33 minutes before
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Special weather statement, Jul 8, 2:37 PM MDT, 1 hour 30 minutes before
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Special weather statement, Jul 8, 2:58 PM MDT, 1 hour 9 minutes before
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Special weather statement, Jul 8, 3:45 PM MDT, 22 minutes before
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Special weather statement, Jul 8, 4:07 PM 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 8, 2:34 PM MDTSpecial Weather StatementPUBAlamosa41 min
Jul 8, 2:37 PM MDTSpecial Weather StatementPUBTeller53 min
Jul 8, 2:58 PM MDTSpecial Weather StatementPUBAlamosa47 min
Jul 8, 3:45 PM MDTSpecial Weather StatementPUBPueblo30 min
Jul 8, 4:25 PM MDTSpecial Weather StatementPUBCrowley, Pueblo35 min
Jul 8, 5:33 PM MDTSpecial Weather StatementPUBCrowley27 min
Jul 8, 5:37 PM MDTSpecial Weather StatementPUBOtero23 min
Jul 8, 5:59 PM MDTSpecial Weather StatementPUBBent, Kiowa46 min

Nearby

Special Weather Statements in Colorado, 2019Every special weather statement in 2019

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.