Alert archive / Colorado / Special Weather Statements in 2018
Special Weather Statement, NWS Goodland, KS
NWS Goodland, KS issued this special weather statement at Jul 12, 2018, 4:13 PM MDT for Cheyenne County, Colorado. It was in force for 17 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 12, 2018, 4:13 PM MDT (22:13 UTC)
- Expired
- Jul 12, 2018, 4:30 PM MDT
- In force
- 17 min
- Issued by
- NWS Goodland, KS
County Cheyenne County, CO
The radar
The Pueblo radar (KPUX), 117 km from the middle of the area, began a volume at 22:16 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 (KDEN), launched 12:00Z, 10.2 hours before the alert went out and 126 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
- 6 J/kg
- Mixed-layer CIN
- -334 J/kg
- Mixed-layer LCL
- 1617 m above ground
- 0-6 km bulk shear
- 10 kt
- 0-1 km storm-relative helicity
- 1 m²/s²
- 0-3 km storm-relative helicity
- 30 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 Jul 12, 1:46 PM MDT, 2 hours 27 minutes earlier.
Area forecast discussion, Jul 12, 1:46 PM MDT, 2 hours 27 minutes before
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</html>Hazardous weather outlook, Jul 12, 10:46 AM MDT, 5 hours 27 minutes before
Hazardous Weather Outlook National Weather Service Goodland KS 1046 AM MDT Thu Jul 12 2018 COZ090>092-KSZ001>004-013>016-027>029-041-042-NEZ079>081-131200- Yuma County-Kit Carson County-Cheyenne County-Cheyenne-Rawlins- Decatur-Norton-Sherman-Thomas-Sheridan-Graham-Wallace-Logan-Gove- Greeley-Wichita-Dundy-Hitchcock-Red Willow- 1046 AM MDT Thu Jul 12 2018 /1146 AM CDT Thu Jul 12 2018/ This hazardous weather outlook is for extreme southwest Nebraska... northwest Kansas and east central Colorado. .DAY ONE...THIS AFTERNOON AND TONIGHT... Scattered thunderstorms will develop along and west of the Colorado border this afternoon and slowly move east through the rest of the night. A few of these storms become severe along and west of a line from Burlington to Saint Francis to Benkelman. The main severe threat will be damaging winds. A more widespread threat with these storms will be locally heavy rainfall which could cause flash flooding. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH THURSDAY... Scattered thunderstorms are expected mainly Friday afternoon and evening across much of the area. An isolated severe thunderstorm cannot be ruled out. Locally heavy rainfall will also be possible. .SPOTTER INFORMATION STATEMENT... Spotter activation may be required this afternoon.
In the hours before
Special weather statement, Jul 12, 3:00 PM MDT, 1 hour 13 minutes before
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</html>Special weather statement, Jul 12, 4:13 PM MDT, 0 minutes before
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</html>The office that day
Everything else NWS Goodland, KS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 12, 4:18 PM MDT | Special Weather Statement | GLD | Cheyenne | 27 min |
| Jul 12, 3:00 PM MDT | Special Weather Statement | GLD | Dundy | 15 min |
Nearby
Special Weather Statements in Colorado, 2018Every special weather statement in 2018
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.