Alert archive / Kansas / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 134, NWS Topeka, KS
NWS Topeka, KS issued this severe thunderstorm warning at Aug 13, 2021, 2:07 AM CDT for Coffey County, Lyon County, Kansas. It was in force for 38 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
- Aug 13, 2021, 2:07 AM CDT (07:07 UTC)
- Expired
- Aug 13, 2021, 2:45 AM CDT
- In force
- 38 min
- Issued by
- NWS Topeka, KS
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Coffey County, KS, Lyon County, KS
The radar
The Topeka radar (KTWX), 78 km from the middle of the area, began a volume at 07:09 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, 7.1 hours before the alert went out and 89 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
- 4214 J/kg
- Mixed-layer CIN
- -86 J/kg
- Mixed-layer LCL
- 1420 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- 110 m²/s²
- 0-3 km storm-relative helicity
- 179 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 6.4
The text
As transmitted.
661
WUUS53 KTOP 130707
SVRTOP
KSC031-111-130745-
/O.NEW.KTOP.SV.W.0134.210813T0707Z-210813T0745Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Topeka KS
207 AM CDT Fri Aug 13 2021
The National Weather Service in Topeka has issued a
* Severe Thunderstorm Warning for...
West central Coffey County in east central Kansas...
Southern Lyon County in east central Kansas...
* Until 245 AM CDT.
* At 206 AM CDT, a severe thunderstorm was located 4 miles southeast
of Emporia, moving southeast at 25 mph.
HAZARD...60 mph wind gusts.
SOURCE...Trained weather spotters. At 204 AM CDT Emporia Municipal
Airport measured a wind gust of 64 mph.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Emporia, Olpe, Hartford and Neosho Rapids.
This includes the following highways...
Interstate 35 between mile markers 128 and 142.
Kansas Turnpike between mile markers 123 and 132.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3817 9626 3844 9629 3853 9603 3817 9583
TIME...MOT...LOC 0706Z 324DEG 20KT 3836 9612
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...OBSERVED
MAX WIND GUST...60 MPH
$$
Reese2 follow-up statements
034 WWUS53 KTOP 130727 SVSTOP Severe Weather Statement National Weather Service Topeka KS 227 AM CDT Fri Aug 13 2021 KSC031-111-130745- /O.CON.KTOP.SV.W.0134.000000T0000Z-210813T0745Z/ Coffey-Lyon- 227 AM CDT Fri Aug 13 2021 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 245 AM CDT FOR WEST CENTRAL COFFEY AND SOUTHERN LYON COUNTIES... At 226 AM CDT, a severe thunderstorm was located near Olpe, moving southeast at 25 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Emporia, Olpe, Hartford and Neosho Rapids. This includes the following highways... Interstate 35 between mile markers 128 and 142. Kansas Turnpike between mile markers 123 and 132. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 3817 9626 3844 9629 3853 9603 3817 9583 TIME...MOT...LOC 0726Z 327DEG 20KT 3824 9611 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Reese
501
WWUS53 KTOP 130746
SVSTOP
Severe Weather Statement
National Weather Service Topeka KS
246 AM CDT Fri Aug 13 2021
KSC031-111-130756-
/O.EXP.KTOP.SV.W.0134.000000T0000Z-210813T0745Z/
Coffey-Lyon-
246 AM CDT Fri Aug 13 2021
...THE SEVERE THUNDERSTORM WARNING FOR WEST CENTRAL COFFEY AND
SOUTHERN LYON COUNTIES HAS EXPIRED...
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been allowed to expire. However heavy
rain is still possible with this thunderstorm.
LAT...LON 3817 9626 3844 9629 3853 9603 3817 9583
TIME...MOT...LOC 0746Z 324DEG 20KT 3816 9603
$$
ReeseThe office that day
Everything else NWS Topeka, KS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 12, 7:19 PM CDT | Severe Thunderstorm Warning | TOP | Cloud, Republic | 26 min |
| Aug 12, 7:31 PM CDT | Special Weather Statement | TOP | Douglas | 29 min |
| Aug 12, 8:58 PM CDT | Special Weather Statement | TOP | Morris | 32 min |
| Aug 12, 9:06 PM CDT | Severe Thunderstorm Warning | TOP | Morris | 24 min |
| Aug 12, 9:29 PM CDT | Special Weather Statement | TOP | Franklin | 31 min |
| Aug 12, 9:43 PM CDT | Special Weather Statement | TOP | Dickinson | 47 min |
| Aug 12, 9:46 PM CDT | Severe Thunderstorm Warning | TOP | Douglas, Franklin | 29 min |
| Aug 12, 10:02 PM CDT | Special Weather Statement | TOP | Dickinson | 43 min |
| Aug 12, 10:18 PM CDT | Special Weather Statement | TOP | Franklin | 42 min |
| Aug 12, 10:38 PM CDT | Severe Thunderstorm Warning | TOP | Douglas, Franklin | 37 min |
| Aug 12, 10:49 PM CDT | Areal Flood Advisory | TOP | Douglas, Franklin | 5 hr |
| Aug 12, 11:06 PM CDT | Severe Thunderstorm Warning | TOP | Douglas, Franklin | 24 min |
| Aug 12, 11:55 PM CDT | Flash Flood Warning | TOP | Douglas, Franklin, Shawnee | 3 min |
| Aug 13, 12:01 AM CDT | Flash Flood Warning | TOP | Douglas, Franklin | 6 hr |
| Aug 13, 12:11 AM CDT | Areal Flood Advisory | TOP | Douglas, Jefferson | 3 hr |
| Aug 13, 12:22 AM CDT | Severe Thunderstorm Warning | TOP | Brown, Jackson, Nemaha | 23 min |
| Aug 13, 12:43 AM CDT | Severe Thunderstorm Warning | TOP | Brown | 17 min |
| Aug 13, 12:55 AM CDT | Special Weather Statement | TOP | Brown | 35 min |
| Aug 13, 1:19 AM CDT | Special Weather Statement | TOP | Marshall | 41 min |
| Aug 13, 1:38 AM CDT | Special Weather Statement | TOP | Douglas, Jefferson | 52 min |
| Aug 13, 1:49 AM CDT | Areal Flood Advisory | TOP | Brown, Jackson, Marshall, Nemaha | 5 hr |
| Aug 13, 1:56 AM CDT | Special Weather Statement | TOP | Lyon | 49 min |
| Aug 13, 2:10 AM CDT | Flash Flood Warning | TOP | Lyon, Osage | 4 hr |
| Aug 13, 2:18 AM CDT | Flash Flood Warning | TOP | Douglas, Franklin, Jefferson | 4 hr |
| Aug 13, 2:44 AM CDT | Special Weather Statement | TOP | Wabaunsee | 46 min |
| Aug 13, 2:51 AM CDT | Flash Flood Warning | TOP | Lyon | 4 hr |
| Aug 13, 3:15 AM CDT | Areal Flood Advisory | TOP | Douglas, Jefferson, Osage, Shawnee | 3 hr |
| Aug 13, 3:51 AM CDT | Areal Flood Advisory | TOP | Republic, Washington | 3 hr |
| Aug 13, 6:09 AM CDT | Areal Flood Advisory | TOP | Lyon, Osage | 105 min |
| Aug 13, 6:27 AM CDT | Areal Flood Advisory | TOP | Douglas, Franklin | 2 hr |
| Aug 13, 6:30 AM CDT | Areal Flood Advisory | TOP | Douglas, Franklin, Jefferson | 2 hr |
| Aug 13, 6:52 AM CDT | Areal Flood Advisory | TOP | Lyon | 53 min |
| Aug 13, 9:08 AM CDT | River Flood Warning | TOP | Washington | 4 hr |
Nearby
Severe Thunderstorm Warnings in Kansas, 2021Every severe thunderstorm warning in 2021
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.