Alert archive / Kansas / Severe Thunderstorm Warnings in 1999
Severe Thunderstorm Warning 229, NWS Goodland, KS
NWS Goodland, KS issued this severe thunderstorm warning at Aug 10, 1999, 8:30 PM CDT for Gove County, Kansas. It was in force for 50 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
- Aug 10, 1999, 8:30 PM CDT (01:30 UTC)
- Expired
- Aug 10, 1999, 9:20 PM CDT
- In force
- 50 min
- Issued by
- NWS Goodland, KS
- Area
- Whole counties
County Gove County, KS
The radar
The Goodland radar (KGLD), 116 km from the middle of the area, began a volume at 01:30 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 |
|---|---|---|---|
| Aug 10, 8:44 PM CDT | Hail 1 | Gove, KS |
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
N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 1.5 hours before the alert went out and 246 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
- 1568 J/kg
- Mixed-layer CIN
- -57 J/kg
- Mixed-layer LCL
- 1522 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 62 m²/s²
- 0-3 km storm-relative helicity
- 110 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 1.8
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 Aug 10, 5:44 PM CDT, 2 hours 46 minutes earlier.
Area forecast discussion, Aug 10, 5:44 PM CDT, 2 hours 46 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GOODLAND KS 440 PM MDT (540 PM CDT) TUE AUG 10 1999 UPDATED LATEST ZONES FOR FIRST PERIOD TO REFLECT ISOLATED SEVERE CONVECTION BREAKING OUT IN PARTS OF CWA. ALSO UPDATED TO INCLUDE SEVERE THUNDERSTORM WATCH FOR PARTS OF CWA VALID UNTIL 9 PM MDT (10 PM CDT). STRONGEST CONVECTION SEEMS TO HAVE FORMED NEAR THETA E RIDGE LINE ADDED BY AFTERNOON HEATING. AS VORT MAX APPROACHES TONIGHT FROM COLORADO MORE SCATTERED CONVECTION CAN BE EXPECTED THROUGH THE OVERNIGHT HOURS WITH BEST CHANCES OF CONVECTION OVER NORTHERN 2/3 OF CWA. .GLD...NONE. LAMMERS
In the hours before
Local storm report, Aug 10, 6:21 PM CDT, 2 hours 9 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GOODLAND KS
521 PM MDT TUE AUG 10 1999
TIME(MDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0510 PM 2 N CLARKVILLE CO .75 INCH HAIL
08/10/99 YUMALocal storm report, Aug 10, 6:21 PM CDT, 2 hours 9 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GOODLAND KS
521 PM MDT TUE AUG 10 1999
TIME(MDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0510 PM 2 N CLARKVILLE CO .75 INCH HAIL
08/10/99 YUMALocal storm report, Aug 10, 6:34 PM CDT, 1 hour 56 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GOODLAND KS
534 PM MDT TUE AUG 10 1999
TIME(MDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0530 PM 2 NW YUMA CO 1.5 INCH HAIL
08/10/99 YUMALocal storm report, Aug 10, 6:34 PM CDT, 1 hour 56 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GOODLAND KS
534 PM MDT TUE AUG 10 1999
TIME(MDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0530 PM 2 NW YUMA CO 1.5 INCH HAIL
08/10/99 YUMALocal storm report, Aug 10, 6:50 PM CDT, 1 hour 40 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GOODLAND KS
550 PM MDT TUE AUG 10 1999
TIME(MDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0547 PM 2 W ECKLEY CO 1.75 INCH HAIL
08/10/99 YUMALocal storm report, Aug 10, 6:50 PM CDT, 1 hour 40 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GOODLAND KS
550 PM MDT TUE AUG 10 1999
TIME(MDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0547 PM 2 W ECKLEY CO 1.75 INCH HAIL
08/10/99 YUMAThe office that day
Everything else NWS Goodland, KS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 10, 8:11 PM CDT | Severe Thunderstorm Warning | GLD | Logan, Thomas | 44 min |
| Aug 10, 8:58 PM CDT | Severe Thunderstorm Warning | GLD | Thomas | 47 min |
| Aug 11, 1:47 AM CDT | Severe Thunderstorm Warning | GLD | Decatur | 48 min |
| Aug 10, 7:41 PM CDT | Severe Thunderstorm Warning | GLD | Yuma | 34 min |
| Aug 10, 8:20 PM CDT | Tornado Warning | GLD | Yuma | 50 min |
| Aug 10, 9:48 PM CDT | Severe Thunderstorm Warning | GLD | Dundy | 47 min |
| Aug 10, 11:03 PM CDT | Severe Thunderstorm Warning | GLD | Dundy | 47 min |
Nearby
Severe Thunderstorm Warnings in Kansas, 1999Every severe thunderstorm warning in 1999
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.