Alert archive / Missouri / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 71, NWS Springfield, MO

May 27, 2021McDonald County, Missouri

NWS Springfield, MO issued this severe thunderstorm warning at May 27, 2021, 5:23 PM CDT for McDonald County, Missouri. It was in force for 47 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, 5:23 PM CDT (22:23 UTC)
Expired
May 27, 2021, 6:10 PM CDT
In force
47 min
Issued by
NWS Springfield, MO
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

County McDonald County, MO

The radar

The Tulsa radar (KINX), 114 km from the middle of the area, began a volume at 22:26 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, 11:26 AM CDTSevere Thunderstorm WatchSPC8 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 10.4 hours before the alert went out and 64 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 12:00Z on 2021-05-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 295 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 12:00Z on 2021-05-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 69 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
295 J/kg
Mixed-layer CIN
-229 J/kg
Mixed-layer LCL
964 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
69 m²/s²
0-3 km storm-relative helicity
160 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.6

Open this sounding in Storm Lab

The text

As transmitted.

720 
WUUS53 KSGF 272223
SVRSGF
MOC119-272330-
/O.NEW.KSGF.SV.W.0071.210527T2223Z-210527T2330Z/

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

The National Weather Service in Springfield has issued a

* Severe Thunderstorm Warning for...
  McDonald County in southwestern Missouri...

* Until 630 PM CDT.

* At 522 PM CDT, severe thunderstorms were located along a line
  extending from near Grove to near South West City to near Jay,
  moving east at 35 mph.

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

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Big Sugar Creek State Park...     Anderson...
  Noel...                           Dodge...
  South West City...                Pineville...
  Lanagan...                        Cayuga...
  Powell...                         Tiff City...
  Rocky Comfort...                  

This includes Interstate 49 between mile markers 1 and 11.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3650 9462 3670 9462 3675 9407 3650 9408
TIME...MOT...LOC 2222Z 260DEG 28KT 3664 9472 3650 9469 3637 9474 

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

Wise
2 follow-up statements
593 
WWUS53 KSGF 272252
SVSSGF

Severe Weather Statement
National Weather Service Springfield MO
552 PM CDT Thu May 27 2021

MOC119-272330-
/O.CON.KSGF.SV.W.0071.000000T0000Z-210527T2330Z/
McDonald MO-
552 PM CDT Thu May 27 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM CDT
FOR MCDONALD COUNTY...

At 551 PM CDT, severe thunderstorms were located along a line
extending from near Pineville to near Bella Vista to Northwest
Arkansas Regional Airport, moving east at 45 mph.

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

SOURCE...Radar indicated.

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

Locations impacted include...
Big Sugar Creek State Park...     Anderson...
Noel...                           Pineville...
Lanagan...                        Powell...
Rocky Comfort...                  

This includes Interstate 49 between mile markers 1 and 11.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3671 9448 3675 9407 3650 9408 3650 9455
TIME...MOT...LOC 2251Z 257DEG 39KT 3663 9436 3652 9431 3629 9431 

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

Wise
642 
WWUS53 KSGF 272310
SVSSGF

Severe Weather Statement
National Weather Service Springfield MO
610 PM CDT Thu May 27 2021

MOC119-272320-
/O.CAN.KSGF.SV.W.0071.000000T0000Z-210527T2330Z/
McDonald MO-
610 PM CDT Thu May 27 2021

...THE SEVERE THUNDERSTORM WARNING FOR MCDONALD COUNTY IS
CANCELLED...
    
The storms which prompted the warning have moved out of the area.
Therefore, the warning has been cancelled.  However heavy rain is
still possible with these thunderstorms.

A Severe Thunderstorm Watch remains in effect until 700 PM CDT for
southwestern Missouri.

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Springfield.

LAT...LON 3671 9448 3675 9407 3650 9408 3650 9455
TIME...MOT...LOC 2309Z 260DEG 28KT 3665 9419 3654 9414 3631 9414 

$$

Wise

The office that day

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

IssuedProductOfficeCountiesLasted
May 26, 8:12 PM CDTRiver Flood WarningSGFVernon24 hr
May 27, 3:27 AM CDTSpecial Weather StatementSGFVernon48 min
May 27, 5:11 AM CDTSpecial Weather StatementSGFBenton34 min
May 27, 9:45 AM CDTRiver Flood WarningSGFCedar11 hr
May 27, 9:45 AM CDTRiver Flood WarningSGFVernon11 hr
May 27, 10:32 AM CDTFlash Flood WarningSGFBenton, Morgan4 hr
May 27, 10:53 AM CDTFlash Flood WatchSGFBarry, Barton, Benton, Camden, Cedar, Christian and 19 more8 hr
May 27, 11:11 AM CDTFlash Flood WarningSGFJasper, Newton8 hr
May 27, 11:15 AM CDTSevere Thunderstorm WarningSGFCedar, Hickory, Polk, St. Clair45 min
May 27, 11:37 AM CDTSevere Thunderstorm WarningSGFJasper, Newton38 min
May 27, 11:45 AM CDTSevere Thunderstorm WarningSGFCedar, Dade, Dallas, Polk60 min
May 27, 12:07 PM CDTSevere Thunderstorm WarningSGFGreene, Webster53 min
May 27, 12:24 PM CDTSevere Thunderstorm WarningSGFLaclede, Pulaski66 min
May 27, 12:45 PM CDTFlash Flood WarningSGFBarry, Jasper, Lawrence, Newton6 hr
May 27, 12:52 PM CDTSevere Thunderstorm WarningSGFWebster, Wright38 min
May 27, 1:07 PM CDTFlash Flood WarningSGFCamden, Christian, Dallas, Greene, Laclede, Polk and 1 more5 hr
May 27, 1:07 PM CDTSevere Thunderstorm WarningSGFMaries, Phelps41 min
May 27, 1:19 PM CDTSevere Thunderstorm WarningSGFLaclede, Phelps, Pulaski, Texas, Wright56 min
May 27, 1:29 PM CDTFlash Flood Warning Considerable damage threatSGFBarry, Lawrence, Newton6 hr
May 27, 1:31 PM CDTSevere Thunderstorm WarningSGFJasper, McDonald, Newton59 min
May 27, 1:35 PM CDTSpecial Weather StatementSGFChristian, Stone55 min
May 27, 1:51 PM CDTSevere Thunderstorm WarningSGFChristian, Douglas, Webster, Wright54 min
May 27, 1:54 PM CDTSpecial Weather StatementSGFDent, Texas51 min
May 27, 2:11 PM CDTFlash Flood WarningSGFBarry, Christian, Stone6 hr
May 27, 2:25 PM CDTSevere Thunderstorm WarningSGFMcDonald, Newton47 min
May 27, 2:37 PM CDTFlash Flood WarningSGFDouglas6 hr
May 27, 2:37 PM CDTSpecial Weather StatementSGFHowell53 min
May 27, 2:55 PM CDTSevere Thunderstorm WarningSGFBarry50 min
May 27, 3:02 PM CDTSevere Thunderstorm WarningSGFHowell43 min
May 27, 3:28 PM CDTSpecial Weather StatementSGFOregon, Shannon62 min
May 27, 3:36 PM CDTSpecial Weather StatementSGFChristian39 min
May 27, 3:42 PM CDTAreal Flood AdvisorySGFBarry, McDonald6 hr
May 27, 3:49 PM CDTSevere Thunderstorm WarningSGFChristian, Douglas, Taney41 min
May 27, 4:09 PM CDTSevere Thunderstorm WarningSGFOzark, Taney36 min
May 27, 4:14 PM CDTFlash Flood WarningSGFBarry6 hr
May 27, 4:31 PM CDTFlash Flood WarningSGFOzark, Stone, Taney6 hr
May 27, 5:52 PM CDTFlash Flood WarningSGFMcDonald4 hr
May 27, 6:25 PM CDTAreal Flood WarningSGFChristian, Dallas, Greene, Hickory, Laclede, Polk and 2 more15 hr
May 27, 6:41 PM CDTAreal Flood WarningSGFBarry, Jasper, Lawrence, Newton22 hr

Nearby

Severe Thunderstorm Warnings in Missouri, 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.