Alert archive / Kansas / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 128, NWS Springfield, MO
NWS Springfield, MO issued this severe thunderstorm warning at Sep 20, 2021, 6:48 PM CDT for Bourbon County, Crawford County, Kansas. It was in force for 57 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
- Sep 20, 2021, 6:48 PM CDT (23:48 UTC)
- Expired
- Sep 20, 2021, 7:45 PM CDT
- In force
- 57 min
- Issued by
- NWS Springfield, MO
- Area
- Storm-based polygon
- Damage threat
- Considerable
- Hail
- 1.75 in
- Wind
- 60.0 mph
Counties Bourbon County, KS, Crawford County, KS
The radar
The Springfield radar (KSGF), 139 km from the middle of the area, began a volume at 23:50 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 |
|---|---|---|---|
| Sep 20, 3:25 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Springfield, MO (KSGF), launched 12:00Z, 11.8 hours before the alert went out and 125 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
- 595 J/kg
- Mixed-layer CIN
- -53 J/kg
- Mixed-layer LCL
- 725 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- 97 m²/s²
- 0-3 km storm-relative helicity
- 100 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
917
WUUS53 KSGF 202348
SVRSGF
KSC011-037-210045-
/O.NEW.KSGF.SV.W.0128.210920T2348Z-210921T0045Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Springfield MO
648 PM CDT Mon Sep 20 2021
The National Weather Service in Springfield has issued a
* Severe Thunderstorm Warning for...
Southern Bourbon County in southeastern Kansas...
Crawford County in southeastern Kansas...
* Until 745 PM CDT.
* At 646 PM CDT, a severe thunderstorm was located near Erie, moving
east at 20 mph. Storm spotters in Erie Kansas reported hail to
the size of quarters.
HAZARD...Golf ball size hail and 60 mph wind gusts.
SOURCE...Trained weather spotters.
IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect
wind damage to roofs, siding, and trees.
* Locations impacted include...
Pittsburg... Frontenac...
Girard... Arma...
Mulberry... Franklin...
Arcadia... Walnut...
Hepler... Beulah...
Croweburg... Greenbush...
Yale... Ringo...
Pawnee Station... Hiattville...
Lone Oak... Farlington...
Brazilton... Polk...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Prepare immediately for large hail and damaging winds. People outside
should move immediately to shelter inside a strong building. Stay
away from windows.
&&
LAT...LON 3771 9509 3777 9462 3741 9462 3741 9509
TIME...MOT...LOC 2346Z 278DEG 19KT 3757 9519
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...OBSERVED
MAX HAIL SIZE...1.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Runnels2 follow-up statements
053
WWUS53 KSGF 210005
SVSSGF
Severe Weather Statement
National Weather Service Springfield MO
705 PM CDT Mon Sep 20 2021
KSC011-037-210045-
/O.CON.KSGF.SV.W.0128.000000T0000Z-210921T0045Z/
Bourbon KS-Crawford KS-
705 PM CDT Mon Sep 20 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM CDT
FOR SOUTHEASTERN BOURBON AND CRAWFORD COUNTIES...
At 704 PM CDT, a severe thunderstorm was located over Walnut, or 7
miles northeast of St. Paul, moving east at 25 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Trained weather spotters.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Pittsburg... Frontenac...
Girard... Arma...
Mulberry... Franklin...
Arcadia... Walnut...
Hepler... Beulah...
Croweburg... Greenbush...
Yale... Ringo...
Pawnee Station... Lone Oak...
Farlington... Brazilton...
Polk... Garland...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Prepare immediately for large hail and damaging winds. People outside
should move to a shelter, inside a strong building and away from
windows.
&&
LAT...LON 3764 9508 3777 9462 3741 9462 3741 9509
TIME...MOT...LOC 0004Z 274DEG 20KT 3757 9505
HAIL THREAT...OBSERVED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Runnels458
WWUS53 KSGF 210034
SVSSGF
Severe Weather Statement
National Weather Service Springfield MO
734 PM CDT Mon Sep 20 2021
KSC011-210043-
/O.CAN.KSGF.SV.W.0128.000000T0000Z-210921T0045Z/
Bourbon KS-
734 PM CDT Mon Sep 20 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN BOURBON COUNTY IS
CANCELLED...
The severe thunderstorm which prompted the warning had weakened.
Therefore, the warning for Bourbon County has been cancelled.
LAT...LON 3752 9504 3762 9462 3741 9462 3741 9509
TIME...MOT...LOC 0033Z 279DEG 23KT 3747 9497
$$
KSC037-210045-
/O.CON.KSGF.SV.W.0128.000000T0000Z-210921T0045Z/
Crawford KS-
734 PM CDT Mon Sep 20 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM CDT
FOR CENTRAL CRAWFORD COUNTY...
At 733 PM CDT, the storm that prompted the warning had weakened over
northern Crawford County...with new severe storms extending from
Greenbush to north of McCune. The storms were moving east at 15 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Trained weather spotters.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Pittsburg... Frontenac...
Girard... Arma...
Mulberry... Franklin...
Beulah... Croweburg...
Greenbush... Yale...
Ringo... Lone Oak...
Polk... Englevale...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Prepare immediately for large hail and damaging winds. People outside
should move to a shelter, inside a strong building and away from
windows.
&&
LAT...LON 3752 9504 3762 9462 3741 9462 3741 9509
TIME...MOT...LOC 0033Z 279DEG 23KT 3747 9497
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
RunnelsThe office that day
Everything else NWS Springfield, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 20, 6:52 PM CDT | Special Weather Statement | SGF | Bourbon | 23 min |
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.