Alert archive / Kansas / Severe Thunderstorm Warnings in 1999
Severe Thunderstorm Warning 28, NWS Topeka, KS
NWS Topeka, KS issued this severe thunderstorm warning at May 10, 1999, 7:05 PM CDT for Cloud County, Republic County, Kansas. It was in force for 30 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- May 10, 1999, 7:05 PM CDT (00:05 UTC)
- Expired
- May 10, 1999, 7:35 PM CDT
- In force
- 30 min
- Issued by
- NWS Topeka, KS
- Area
- Whole counties
Counties Cloud County, KS, Republic County, KS
The radar
The Grand Island radar (KUEX), 100 km from the middle of the area, began a volume at 00:08 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
Topeka, KS (KTOP), launched 00:00Z, 0.1 hours before the alert went out and 188 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
- 48 J/kg
- Mixed-layer CIN
- -236 J/kg
- Mixed-layer LCL
- 1272 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 148 m²/s²
- 0-3 km storm-relative helicity
- 251 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
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 Topeka, KS wrote its last area forecast discussion before this severe thunderstorm warning went out at May 10, 3:07 PM CDT, 3 hours 58 minutes earlier.
Area forecast discussion, May 10, 3:07 PM CDT, 3 hours 58 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE TOPEKA KS 307 PM CDT MON MAY 10 1999 ...CONCERN FOR QPF TONIGHT AND WHEN TO END PCPN... GOOD MOISTURE INFLOW ALG FNT WITH TAIL END OF UPPER TROF OVER AREA LATER TONIGHT JUSTIFYING SOME LIKELY TYPE POPS. LOCALLY HEAVY RAIN WORDING IN ZONES NOW AND WONT REMOVE. PROBABLY NOT ENOUGH RAIN TO JUSTIFY WATCH WITH FFG VALUES RUNNING NEAR TWO INCHES. WILL KEEP SOME RAIN IN FCST ERN CWA TMRW NIGHT AS UPPER IMPULSE PER AVM MOVES OVER AREA. HOWEVER LOOKS LIKE NCNTRL COUNTIES MAY BE JUST REMOVED ENOUGH TO THE WEST TO PRECLUDE ANY MENTION OF RAIN TMRW NIGHT. WED LOOKS DRY AS WAVE MOVES THROUGH AND QUASI-ZONAL FLOW TAKES OVER. THUS PREFER FWC MOS TEMPS EARLY ON BUT LEANING TOWARD FAN NUMBERS LATER ON. .TOP...NONE
The office that day
Everything else NWS Topeka, KS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 10, 8:13 PM CDT | Severe Thunderstorm Warning | TOP | Cloud, Ottawa | 47 min |
| May 10, 10:31 PM CDT | Flash Flood Warning | TOP | Cloud, Ottawa | 3 hr |
| May 11, 6:24 PM CDT | Severe Thunderstorm Warning | TOP | Dickinson, Morris | 31 min |
| May 11, 6:28 PM CDT | Severe Thunderstorm Warning | TOP | Lyon, Osage | 32 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.