Alert archive / Kansas / Severe Thunderstorm Warnings in 2010
Severe Thunderstorm Warning 131, NWS Topeka, KS
NWS Topeka, KS issued this severe thunderstorm warning at Jun 20, 2010, 8:25 PM CDT for 8 counties in Kansas. It was in force for 65 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
- Jun 20, 2010, 8:25 PM CDT (01:25 UTC)
- Expired
- Jun 20, 2010, 9:30 PM CDT
- In force
- 65 min
- Issued by
- NWS Topeka, KS
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 70.0 mph
Counties Clay County, KS, Cloud County, KS, Geary County, KS, Marshall County, KS, Ottawa County, KS, Republic County, KS, Riley County, KS, Washington County, KS
The radar
The Topeka radar (KTWX), 94 km from the middle of the area, began a volume at 01:27 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 20, 3:07 PM CDT | Tornado Watch | SPC | 8 hr |
| Jun 20, 8:07 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Topeka, KS (KTOP), launched 00:00Z, 1.4 hours before the alert went out and 140 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
- 4831 J/kg
- Mixed-layer CIN
- -3 J/kg
- Mixed-layer LCL
- 870 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 75 m²/s²
- 0-3 km storm-relative helicity
- 194 m²/s²
- Significant tornado parameter
- 2.2
- Supercell composite
- 11.7
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 Jun 20, 6:27 PM CDT, 1 hour 58 minutes earlier.
Area forecast discussion, Jun 20, 6:27 PM CDT, 1 hour 58 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE TOPEKA KS 627 PM CDT SUN JUN 20 2010 .UPDATE... FOR 0Z AVIATION. && .DISCUSSION... SEE PREVIOUS DISCUSSION. && .AVIATION... SOUTHEAST WINDS THROUGH THE PERIOD EXCEPT ERRATIC AND GUSTY NEAR STORMS. WILL HAVE TO WATCH PROGRESS OF CONVECTIVE DEVELOPMENT AND MAY NEED A TEMPO GROUP IF LINE OUT WEST REMAINS SOLID AND PROGRESSIVE. CURRENTLY TCU AND CBS DEVELOPING AND WILL START WITH THESE THEN GO TO VC IN A FEW HOURS. MORE LIKELY TIME FOR SQUALL LINE AT TAF STIES IS 06-10Z TIMEFRAME AND WILL MONITOR FOR UPDATES. 67 && .TOP WATCHES/WARNINGS/ADVISORIES...NONE. &&
Hazardous weather outlook, Jun 20, 3:39 PM CDT, 4 hours 46 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE TOPEKA KS 339 PM CDT SUN JUN 20 2010 KSZ008>012-020>024-026-034>040-054>056-058-059-212045- REPUBLIC-WASHINGTON-MARSHALL-NEMAHA-BROWN-CLOUD-CLAY-RILEY- POTTAWATOMIE-JACKSON-JEFFERSON-OTTAWA-DICKINSON-GEARY-MORRIS- WABAUNSEE-SHAWNEE-DOUGLAS-LYON-OSAGE-FRANKLIN-COFFEY-ANDERSON- 339 PM CDT SUN JUN 20 2010 THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL...NORTH CENTRAL AND NORTHEAST KANSAS. .DAY ONE...THIS AFTERNOON AND TONIGHT THERE IS A CHANCE FOR ADDITIONAL SEVERE THUNDERSTORMS TO DEVELOP DURING THE LATE AFTERNOON ACROSS WESTERN AND CENTRAL KANSAS INTO NEBRASKA THEN MOVE EAST ACROSS THE OUTLOOK AREA. STRONG DAMAGING WINDS AND LARGE HAIL WILL BE POSSIBLE WITH THESE STORMS...ALONG WITH ISOLATED TORNADOES. ADDITIONALLY MODERATE TO HEAVY RAINFALL COULD OCCUR WITH THESE STORMS CAUSING FLASH FLOODING. MANY RIVERS AND CREEKS ACROSS NORTH CENTRAL AND NORTHEAST KANSAS ARE IN FLOOD OR FORECAST TO FLOOD. PLEASE REFER TO THE LATEST FLOOD STATEMENTS FOR THE LATEST FORECASTS. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY THE PATTERN OF THUNDERSTORMS DURING THE OVERNIGHT HOURS AND INTO THE MORNING IS EXPECTED TO CONTINUE ACROSS NORTH CENTRAL AND NORTHEAST KANSAS FOR MONDAY NIGHT THROUGH THURSDAY NIGHT. SEVERE WEATHER WILL BE POSSIBLE WITH THE RENEWED STORMS EACH NIGHT. ADDITIONALLY FLOODING WILL CONTINUE TO BE POSSIBLE...ESPECIALLY IF STORMS TRACK OVER THE SAME AREAS EACH NIGHT. .SPOTTER INFORMATION STATEMENT... SPOTTERS WILL LIKELY BE NEEDED DURING THE LATE AFTERNOON AND OVERNIGHT AND ARE ENCOURAGED TO REPORT RAINFALL AMOUNTS OVER ONE INCH TO THE NATIONAL WEATHER SERVICE IN TOPEKA.
In the hours before
Local storm report, Jun 20, 8:04 PM CDT, 21 minutes before
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</html>The office that day
Everything else NWS Topeka, KS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 20, 7:35 PM CDT | Severe Thunderstorm Warning | TOP | Cloud, Ottawa, Republic | 55 min |
| Jun 20, 7:46 PM CDT | Tornado Warning | TOP | Republic | 29 min |
| Jun 20, 8:10 PM CDT | Tornado Warning | TOP | Cloud, Republic | 35 min |
| Jun 20, 8:35 PM CDT | Areal Flood Advisory | TOP | Cloud, Republic | 115 min |
| Jun 20, 8:48 PM CDT | Tornado Warning | TOP | Washington | 27 min |
| Jun 20, 9:24 PM CDT | Areal Flood Advisory | TOP | Clay, Washington | 51 min |
| Jun 20, 9:24 PM CDT | Severe Thunderstorm Warning | TOP | Clay, Dickinson, Geary, Marshall, Nemaha, Pottawatomie and 3 more | 51 min |
| Jun 20, 9:46 PM CDT | Severe Thunderstorm Warning | TOP | Marshall, Nemaha | 44 min |
| Jun 20, 10:14 PM CDT | Severe Thunderstorm Warning | TOP | Jackson, Marshall, Nemaha, Pottawatomie, Shawnee | 46 min |
| Jun 20, 10:18 PM CDT | Areal Flood Advisory | TOP | Marshall, Nemaha | 117 min |
| Jun 21, 7:02 AM CDT | Areal Flood Advisory | TOP | Clay, Cloud, Republic, Washington | 88 min |
| Jun 21, 7:32 AM CDT | River Flood Warning | TOP | Marshall | 55 hr |
| Jun 21, 7:43 AM CDT | Areal Flood Advisory | TOP | Clay, Marshall, Riley, Washington | 92 min |
| Jun 21, 8:39 AM CDT | Areal Flood Advisory | TOP | Marshall, Nemaha, Pottawatomie | 51 min |
| Jun 21, 10:01 AM CDT | Severe Thunderstorm Warning | TOP | Jefferson | 29 min |
| Jun 21, 10:32 AM CDT | River Flood Warning | TOP | Riley | 13 hr |
| Jun 21, 10:32 AM CDT | River Flood Warning | TOP | Clay | 37 hr |
| Jun 21, 3:25 PM CDT | Flash Flood Watch | TOP | Brown, Clay, Cloud, Jackson, Jefferson, Marshall and 5 more | 13 hr |
Nearby
Severe Thunderstorm Warnings in Kansas, 2010Every severe thunderstorm warning in 2010
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.