Alert archive / Colorado / Special Weather Statements in 2021
Special Weather Statement, NWS Goodland, KS
NWS Goodland, KS issued this special weather statement at Sep 3, 2021, 4:56 PM MDT for Yuma County, Colorado. It was in force for 34 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
- Sep 3, 2021, 4:56 PM MDT (22:56 UTC)
- Expired
- Sep 3, 2021, 5:30 PM MDT
- In force
- 34 min
- Issued by
- NWS Goodland, KS
- Hail
- 0.25 in
- Wind
- 50
County Yuma County, CO
The radar
The Goodland radar (KGLD), 104 km from the middle of the area, began a volume at 22:58 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, 10.9 hours before the alert went out and 45 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.
- Mixed-layer CAPE
- 39 J/kg
- Mixed-layer CIN
- -181 J/kg
- Mixed-layer LCL
- 1546 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 4 m²/s²
- 0-3 km storm-relative helicity
- 55 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
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</html>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 Goodland, KS wrote its last area forecast discussion before this special weather statement went out at Sep 3, 2:50 PM MDT, 2 hours 6 minutes earlier.
Area forecast discussion, Sep 3, 2:50 PM MDT, 2 hours 6 minutes before
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</html>Hazardous weather outlook, Sep 3, 10:13 AM MDT, 6 hours 43 minutes before
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<div class="status" id="status">Temporary Notice</div>
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</html>In the hours before
Special weather statement, Sep 3, 4:56 PM MDT, 0 minutes before
Special Weather Statement
National Weather Service Goodland KS
456 PM MDT Fri Sep 3 2021
COZ090-032330-
Yuma County CO-
456 PM MDT Fri Sep 3 2021
...A strong thunderstorm will impact portions of southwestern Yuma
County through 530 PM MDT...
At 456 PM MDT, Doppler radar was tracking a strong thunderstorm 8
miles north of Arickaree School, or 22 miles southeast of Akron,
moving east at 35 mph.
HAZARD...Wind gusts up to 50 mph and pea size hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor damage to outdoor objects is
possible.
This storm will remain over mainly rural areas of southwestern Yuma
County County, including the following locations... Joes, Abarr and
Kirk.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
&&
LAT...LON 4000 10280 4000 10279 4007 10279 4008 10247
3957 10247 3957 10280
TIME...MOT...LOC 2256Z 275DEG 29KT 3986 10303
MAX HAIL SIZE...0.25 IN
MAX WIND GUST...50 MPH
024The office that day
Everything else NWS Goodland, KS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 2, 6:30 PM MDT | Special Weather Statement | GLD | Gove | 30 min |
Nearby
Special Weather Statements in Colorado, 2021Every special weather statement in 2021
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.