Alert archive / Kansas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 55, NWS Springfield, MO

May 27, 2021Bourbon County, Crawford County, Kansas

NWS Springfield, MO issued this severe thunderstorm warning at May 27, 2021, 2:46 AM CDT for Bourbon County, Crawford County, Kansas. It was in force for 44 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
May 27, 2021, 2:46 AM CDT (07:46 UTC)
Expired
May 27, 2021, 3:30 AM CDT
In force
44 min
Issued by
NWS Springfield, MO
Area
Storm-based polygon
Hail
0.88 in
Wind
60.0 mph

Counties Bourbon County, KS, Crawford County, KS

The radar

The Pleasant Hill radar (KEAX), 120 km from the middle of the area, began a volume at 07:49 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.

IssuedProductOfficeLasted
May 27, 1:05 AM CDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 7.8 hours before the alert went out and 138 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.

Skew-T log-pSkew-T log-p diagram, Springfield, MO at 00:00Z on 2021-05-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1258 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Springfield, MO at 00:00Z on 2021-05-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -13 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
1258 J/kg
Mixed-layer CIN
-19 J/kg
Mixed-layer LCL
1396 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
-13 m²/s²
0-3 km storm-relative helicity
30 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

055 
WUUS53 KSGF 270746
SVRSGF
KSC011-037-270830-
/O.NEW.KSGF.SV.W.0055.210527T0746Z-210527T0830Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Springfield MO
246 AM CDT Thu May 27 2021

The National Weather Service in Springfield has issued a

* Severe Thunderstorm Warning for...
  Bourbon County in southeastern Kansas...
  Northern Crawford County in southeastern Kansas...

* Until 330 AM CDT.

* At 246 AM CDT, severe thunderstorms were located along a line
  extending from near La Harpe to 9 miles southwest of Bronson to
  near Walnut, moving east at 35 mph.

  HAZARD...60 mph wind gusts and nickel size hail.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* Locations impacted include...
  Fort Scott...                     Marmaton...
  Bronson...                        Arcadia...
  Uniontown...                      Walnut...
  Fulton...                         Redfield...
  Hepler...                         Mapleton...
  Harding...                        Pawnee Station...
  Hiattville...                     Petersburg...
  Farlington...                     Hammond...
  Devon...                          Garland...
  Porterville...                    Englevale...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3803 9508 3804 9493 3804 9461 3768 9462
      3767 9463 3759 9463 3757 9509
TIME...MOT...LOC 0746Z 255DEG 28KT 3794 9524 3778 9516 3762 9513 

HAIL...0.88IN
WIND...60MPH
 
$$

DSA
2 follow-up statements
581 
WWUS53 KSGF 270814
SVSSGF

Severe Weather Statement
National Weather Service Springfield MO
314 AM CDT Thu May 27 2021

KSC011-037-270830-
/O.CON.KSGF.SV.W.0055.000000T0000Z-210527T0830Z/
Bourbon KS-Crawford KS-
314 AM CDT Thu May 27 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 330 AM CDT
FOR BOURBON AND NORTHERN CRAWFORD COUNTIES...

At 313 AM CDT, severe thunderstorms were located along a line
extending from 6 miles south of Blue Mound to Redfield to near
Hepler, moving east at 30 mph.

HAZARD...60 mph wind gusts and penny size hail.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
Fort Scott...                     Marmaton...
Bronson...                        Arcadia...
Uniontown...                      Walnut...
Fulton...                         Redfield...
Hepler...                         Mapleton...
Harding...                        Pawnee Station...
Hiattville...                     Petersburg...
Farlington...                     Hammond...
Devon...                          Garland...
Porterville...                    Englevale...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3803 9508 3804 9493 3804 9461 3768 9462
      3767 9463 3759 9463 3757 9509
TIME...MOT...LOC 0813Z 255DEG 28KT 3799 9499 3783 9491 3767 9488 

HAIL...0.75IN
WIND...60MPH
 
$$

DSA
942 
WWUS53 KSGF 270830
SVSSGF

Severe Weather Statement
National Weather Service Springfield MO
330 AM CDT Thu May 27 2021

KSC011-037-270839-
/O.EXP.KSGF.SV.W.0055.000000T0000Z-210527T0830Z/
Bourbon KS-Crawford KS-
330 AM CDT Thu May 27 2021

...THE SEVERE THUNDERSTORM WARNING FOR BOURBON AND NORTHERN CRAWFORD
COUNTIES WILL EXPIRE AT 330 AM CDT...
    
The storms which prompted the warning have weakened below severe 
limits. No significant damage has been reported. Therefore, the 
warning will be allowed to expire. Wind gusts of 40 to 50 mph will 
still be posisble with these storms as they move into Missouri. 

A Severe Thunderstorm Watch remains in effect until 700 AM CDT for
southeastern Kansas...and west central Missouri.

LAT...LON 3803 9508 3804 9493 3804 9461 3768 9462
      3767 9463 3759 9463 3757 9509
TIME...MOT...LOC 0829Z 255DEG 28KT 3802 9484 3786 9476 3770 9473 

$$

DSA

The office that day

Everything else NWS Springfield, MO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 26, 8:09 PM CDTRiver Flood WarningSGFBourbon67 hr
May 27, 4:00 AM CDTSpecial Weather StatementSGFCherokee, Crawford60 min
May 27, 10:53 AM CDTFlash Flood WatchSGFBourbon, Cherokee, Crawford8 hr
May 27, 11:11 AM CDTFlash Flood WarningSGFCherokee8 hr
May 27, 6:41 PM CDTAreal Flood WarningSGFCherokee22 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.