Alert archive / Colorado / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 298, NWS Goodland, KS
NWS Goodland, KS issued this severe thunderstorm warning at Sep 16, 2001, 9:52 PM MDT for Yuma County, Colorado. It was in force for 53 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Sep 16, 2001, 9:52 PM MDT (03:52 UTC)
- Expired
- Sep 16, 2001, 10:45 PM MDT
- In force
- 53 min
- Issued by
- NWS Goodland, KS
- Area
- Whole counties
County Yuma County, CO
The radar
The Goodland radar (KGLD), 94 km from the middle of the area, began a volume at 03:55 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Sep 16, 10:25 PM MDT | Hail 1.5 | Yuma, CO | Hail up to 1 inch deep along Highway 59. |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The nearest sounding before it
Denver, CO (KDNR), launched 00:00Z, 3.9 hours before the alert went out and 70 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
- 176 J/kg
- Mixed-layer CIN
- -57 J/kg
- Mixed-layer LCL
- 2479 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- -214 m²/s²
- 0-3 km storm-relative helicity
- -129 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -3.7
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
What forecasters said that day
The local office's own words before this severe thunderstorm warning 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 severe thunderstorm warning went out at Sep 16, 7:20 PM MDT, 2 hours 32 minutes earlier.
Area forecast discussion, Sep 16, 7:20 PM MDT, 2 hours 32 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GOODLAND KS 720 PM MDT SUN SEP 16 2001 HAVE UPDATED ZONES TO REMOVE THUNDERSTORMS IN MOST LOCATIONS. ISOLATED SHOWERS ARE STILL POSSIBLE IN THE FAR WEST WITH ISOLATED THUNDERSTORMS POSSIBLE IN THE FAR SOUTH ZONES AS STORMS MOVE EAST OUT OF EASTERN COLORADO. AS THE STORMS MOVE EAST...THEY ARE MOVING INTO A LESS FAVORABLE ENVIRONMENT AND ARE DIMINISHING. .GLD...NONE LOCKHART
The office that day
Everything else NWS Goodland, KS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 16, 10:46 PM MDT | Severe Thunderstorm Warning | GLD | Cheyenne, Sherman | 59 min |
| Sep 17, 12:38 AM MDT | Severe Thunderstorm Warning | GLD | Sherman, Thomas | 67 min |
| Sep 17, 2:18 AM MDT | Severe Thunderstorm Warning | GLD | Thomas | 42 min |
| Sep 17, 12:40 PM MDT | Severe Thunderstorm Warning | GLD | Thomas | 50 min |
| Sep 17, 1:46 PM MDT | Severe Thunderstorm Warning | GLD | Sheridan | 59 min |
| Sep 17, 2:40 PM MDT | Severe Thunderstorm Warning | GLD | Gove | 50 min |
| Sep 17, 3:23 PM MDT | Severe Thunderstorm Warning | GLD | Gove | 67 min |
| Sep 17, 4:44 PM MDT | Severe Thunderstorm Warning | GLD | Logan | 61 min |
| Sep 17, 5:15 PM MDT | Severe Thunderstorm Warning | GLD | Logan, Wallace, Wichita | 60 min |
| Sep 16, 9:39 PM MDT | Severe Thunderstorm Warning | GLD | Yuma | 51 min |
Nearby
Severe Thunderstorm Warnings in Colorado, 2001Every severe thunderstorm warning in 2001
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.