Alert archive / Colorado / Special Weather Statements in 2020

Special Weather Statement, NWS Pueblo, CO

July 13, 2020Saguache County, Colorado

NWS Pueblo, CO issued this special weather statement at Jul 13, 2020, 1:39 PM MDT for Saguache County, Colorado. It was in force for 36 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 13, 2020, 1:39 PM MDT (19:39 UTC)
Expired
Jul 13, 2020, 2:15 PM MDT
In force
36 min
Issued by
NWS Pueblo, CO

County Saguache County, CO

The radar

The Grand Junction radar (KGJX), 187 km from the middle of the area, began a volume at 19:41 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

Denver, CO (KDNR), launched 12:00Z, 7.7 hours before the alert went out and 340 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 2020-07-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 34 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 2020-07-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 60 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
34 J/kg
Mixed-layer CIN
-261 J/kg
Mixed-layer LCL
3370 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
60 m²/s²
0-3 km storm-relative helicity
40 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 13, 11:32 AM MDT, 2 hours 7 minutes earlier.

Area forecast discussion, Jul 13, 11:32 AM MDT, 2 hours 7 minutes before
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Hazardous weather outlook, Jul 13, 11:50 AM MDT, 1 hour 49 minutes before
Hazardous Weather Outlook
National Weather Service Pueblo CO
1150 AM MDT Mon Jul 13 2020

COZ058>089-093>099-141800-
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-
1150 AM MDT Mon Jul 13 2020

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

.DAY ONE...This Afternoon and Tonight

Strong to severe storms are expected over the far eastern plains
this afternoon and evening. Very large hail greater than two
inches and diameter and wind gusts in excess of 75 mph will be
possible over the far eastern plains late this afternoon and early
evening. An isolated tornado can not be ruled out.

Storms will develop over the mountains early this afternoon before
spreading eastward onto the plains by mid afternoon. As the
storms move across the I-25 corridor region, they will be capable
of gusty winds to 50 to 60 mph and small hail. As the storms
continue to move farther east onto the far eastern plains, they
will interact with a very unstable atmosphere and will have the
potential to become quite severe. The greatest potential for
severe thunderstorm activity will be across Kiowa, Bent, Prowers
and Baca counties.

Over the mountains, more isolated to scattered thunderstorms are
expected. Lightning, locally heavy rainfall and wind gusts to 45
mph are possible. There is limited potential for burn scar flash
flooding if a storm should develop over one of the newer scars.

Hot temperatures will continue across the plains with 90s to lower
100s this afternoon. Take precautions to limit exposure to heat and
drink plenty of water.

Spotty critical fire weather conditions are anticipated over
portions of the Upper Arkansas River Valley and southern San Luis
Valley for a few hours this afternoon.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday

Strong to severe storms will again be possible over the plains on
Tuesday and Wednesday, with a risk of winds over 60 mph, hail up
to golf ball size, locally heavy rainfall and frequent cloud to
ground lightning. Farther west over the mountains and interior
valleys, scattered thunderstorms are expected both Tuesday and
Wednesday, with hail up to nickel size, winds of 50 mph, brief
heavy rainfall and frequent cloud to ground lightning all
possible. There will also be the possibility of flooding of burn
scars across mainly the eastern mountains each day, with the
greatest risk over the Spring burn scar on Wednesday afternoon and
evening.

For the remainder of the week into the weekend, scattered
afternoon and evening thunderstorms are expected each day, with
the greatest chance for storms over the mountains. Locally heavy
rainfall, frequent lightning, small hail and wind gusts to 50 mph
will be possible with any stronger storms.

.SPOTTER INFORMATION STATEMENT...

Weather conditions that meet reporting criteria for spotters will be
likely along and east of Interstate 25 this afternoon and
evening, with the greatest potential for significant severe
weather over the far eastern plains.

Hodanish

In the hours before

Special weather statement, Jul 13, 12:56 PM MDT, 43 minutes before
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Special weather statement, Jul 13, 1:30 PM MDT, 9 minutes before
Special Weather Statement
National Weather Service Pueblo CO
130 PM MDT Mon Jul 13 2020

COZ077>079-081-083-085-086-132000-
Pueblo Vicinity/Pueblo County Below 6300 Feet CO-
Wet Mountains between 6300 and 10000Ft CO-
Western/Central Fremont County Below 8500 Ft CO-
Wet Mountain Valley Below 8500 Ft CO-
Canon City Vicinity/Eastern Fremont County CO-
Colorado Springs Vicinity/Southern El Paso County/Rampart Range Below
7400 Ft CO-
Teller County/Rampart Range above 7500fT/Pike's Peak Between 7500 And
11000 Ft CO-
130 PM MDT Mon Jul 13 2020

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN FREMONT...
NORTHEASTERN CUSTER...SOUTHWESTERN EL PASO AND NORTHWESTERN PUEBLO
COUNTIES UNTIL 200 PM MDT...

At 130 PM MDT, Doppler radar was tracking a strong thunderstorm near
Royal Gorge, or 21 miles northwest of Junkins Burn Scar, moving east
at 25 mph.

Wind gusts up to 50 mph will be possible with this storm.

Locations impacted include...
Florence, Royal Gorge, Canon City and Penrose.

LAT...LON 3822 10535 3853 10540 3856 10485 3825 10485
TIME...MOT...LOC 1930Z 259DEG 24KT 3841 10529

Hodanish
Special weather statement, Jul 13, 1:39 PM MDT, 0 minutes before
Special Weather Statement
National Weather Service Pueblo CO
139 PM MDT Mon Jul 13 2020

COZ060-064>066-069-132015-
La Garita Mountains Above 10000 Ft CO-
Saguache County East of Continental Divide below 10000 Ft CO-
Del Norte Vicinity/Northern San Luis Valley Below 8500 Ft CO-
Saguache County West of Continental Divide Below 10000 Ft CO-
Eastern Sawatch Mountains above 11000 Ft CO-
139 PM MDT Mon Jul 13 2020

...SIGNIFICANT WEATHER ADVISORY FOR CENTRAL SAGUACHE COUNTY UNTIL 215
PM MDT...

At 139 PM MDT, Doppler radar was tracking a strong thunderstorm near
North Pass, or 36 miles southwest of Decker Burn Scar, moving east at
25 mph.

Wind gusts up to 50 mph will be possible with this storm.

This storm will remain over mainly rural areas of central Saguache
County.

LAT...LON 3801 10660 3819 10664 3829 10621 3803 10615
TIME...MOT...LOC 1939Z 260DEG 22KT 3812 10653

Hodanish

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 12, 6:09 PM MDTSevere Thunderstorm WarningPUBBent, Las Animas, Otero51 min
Jul 12, 6:14 PM MDTSpecial Weather StatementPUBLas Animas46 min
Jul 12, 6:19 PM MDTSevere Thunderstorm WarningPUBKiowa56 min
Jul 12, 6:57 PM MDTSpecial Weather StatementPUBLas Animas48 min
Jul 12, 7:12 PM MDTSevere Thunderstorm WarningPUBKiowa33 min
Jul 12, 7:43 PM MDTSevere Thunderstorm WarningPUBKiowa, Prowers45 min
Jul 12, 7:57 PM MDTTornado WarningPUBKiowa, Prowers19 min
Jul 12, 8:32 PM MDTSpecial Weather StatementPUBBaca, Prowers58 min
Jul 13, 12:56 PM MDTSpecial Weather StatementPUBCostilla34 min
Jul 13, 1:30 PM MDTSpecial Weather StatementPUBFremont30 min
Jul 13, 1:56 PM MDTSpecial Weather StatementPUBPueblo49 min
Jul 13, 2:54 PM MDTSpecial Weather StatementPUBPueblo36 min
Jul 13, 3:20 PM MDTSpecial Weather StatementPUBLas Animas40 min
Jul 13, 3:34 PM MDTSpecial Weather StatementPUBFremont26 min
Jul 13, 3:45 PM MDTSevere Thunderstorm WarningPUBLas Animas45 min
Jul 13, 4:06 PM MDTSpecial Weather StatementPUBCrowley39 min
Jul 13, 4:23 PM MDTSevere Thunderstorm WarningPUBBaca, Las Animas37 min
Jul 13, 4:35 PM MDTSpecial Weather StatementPUBBent25 min
Jul 13, 4:57 PM MDTSevere Thunderstorm WarningPUBBaca33 min
Jul 13, 5:30 PM MDTSevere Thunderstorm WarningPUBBaca45 min

Nearby

Special Weather Statements in Colorado, 2020Every special weather statement in 2020

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.