Alert archive / Missouri / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 56, NWS Springfield, MO

May 27, 20214 counties in Missouri

NWS Springfield, MO issued this severe thunderstorm warning at May 27, 2021, 11:15 AM CDT for 4 counties in Missouri. It was in force for 45 min. 2 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: May 27, 2021, 11:15 AM CDT (16:15 UTC)
Expired: May 27, 2021, 12:00 PM CDT
In force: 45 min
Issued by: NWS Springfield, MO
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Cedar County, MO, Hickory County, MO, Polk County, MO, St. Clair County, MO

The radar

The Springfield radar (KSGF), 68 km from the middle of the area, began a volume at 16:17 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.

What was reported inside it

Time	Report	Where	Remark
May 27, 11:38 AM CDT	TSTM WND DMG	2 Wsw Bearcreek, MO	LARGE TREE LIMBS DOWN. TIME ESTIMATED BY RADAR.
May 27, 11:47 AM CDT	TSTM WND DMG	Fair Play, MO	TREES AND POWER LINES DOWN.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 4.3 hours before the alert went out and 111 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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.

477 
WUUS53 KSGF 271615
SVRSGF
MOC039-085-167-185-271700-
/O.NEW.KSGF.SV.W.0056.210527T1615Z-210527T1700Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Springfield MO
1115 AM CDT Thu May 27 2021

The National Weather Service in Springfield has issued a

* Severe Thunderstorm Warning for...
  Southwestern Hickory County in central Missouri...
  Central Cedar County in southwestern Missouri...
  Northern Polk County in southwestern Missouri...
  Southeastern St. Clair County in west central Missouri...

* Until noon CDT.

* At 1114 AM CDT, severe thunderstorms were located along a line
  extending from 7 miles south of Osceola to 6 miles southeast of El
  Dorado Springs, moving east at 45 mph.

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

  SOURCE...Law enforcement. At 1110 AM trees were reported down near 
           El Dorado Springs with these storms.

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees.

* Locations impacted include...
  Pomme de Terre Lake...            Stockton Lake...
  Pomme De Terre State Park...      El Dorado Springs...
  Stockton...                       Pittsburg...
  Humansville...                    Osceola...
  Polk...                           Fair Play...
  Hermitage...                      Weaubleau...
  Wheatland...                      Collins...
  Flemington...                     Roscoe...
  Vista...                          Gerster...
  Bearcreek...                      Arnica...

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 3791 9318 3789 9319 3784 9318 3779 9319
      3756 9356 3783 9405 3804 9371
TIME...MOT...LOC 1614Z 290DEG 40KT 3795 9373 3781 9392 

HAIL...1.00IN
WIND...60MPH
 
$$

Titus

2 follow-up statements

471 
WWUS53 KSGF 271630
SVSSGF

Severe Weather Statement
National Weather Service Springfield MO
1130 AM CDT Thu May 27 2021

MOC039-085-167-185-271700-
/O.CON.KSGF.SV.W.0056.000000T0000Z-210527T1700Z/
Hickory MO-Cedar MO-Polk MO-St. Clair MO-
1130 AM CDT Thu May 27 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL NOON CDT FOR
SOUTHWESTERN HICKORY...NORTHEASTERN CEDAR...NORTHERN POLK AND
SOUTHEASTERN ST. CLAIR COUNTIES...

At 1130 AM CDT, severe thunderstorms were located along a line
extending from near Weaubleau to Stockton, moving southeast at 50
mph.

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

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees.

Locations impacted include...
Pomme de Terre Lake...            Stockton Lake...
Pomme De Terre State Park...      Stockton...
Pittsburg...                      Humansville...
Polk...                           Fair Play...
Hermitage...                      Weaubleau...
Wheatland...                      Collins...
Flemington...                     Gerster...
Bearcreek...                      Caplinger Mills...
Elkton...                         Arnica...
Dunnegan...                       Nemo...

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 3776 9392 3800 9357 3791 9318 3789 9319
      3784 9318 3779 9319 3756 9356
TIME...MOT...LOC 1630Z 295DEG 44KT 3786 9345 3770 9377 

HAIL...1.00IN
WIND...60MPH
 
$$

Titus

375 
WWUS53 KSGF 271642
SVSSGF

Severe Weather Statement
National Weather Service Springfield MO
1142 AM CDT Thu May 27 2021

MOC185-271652-
/O.CAN.KSGF.SV.W.0056.000000T0000Z-210527T1700Z/
St. Clair MO-
1142 AM CDT Thu May 27 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN ST. CLAIR COUNTY
IS CANCELLED...

The storms which prompted the warning have moved out of the warned 
area. Therefore, the warning has been cancelled.

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

LAT...LON 3791 9318 3779 9319 3756 9356 3769 9380
      3783 9360 3783 9357 3785 9357 3796 9340
TIME...MOT...LOC 1642Z 289DEG 35KT 3784 9338 3766 9362 

$$

MOC039-085-167-271700-
/O.CON.KSGF.SV.W.0056.000000T0000Z-210527T1700Z/
Hickory MO-Cedar MO-Polk MO-
1142 AM CDT Thu May 27 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL NOON CDT FOR
SOUTHWESTERN HICKORY...EAST CENTRAL CEDAR AND NORTHERN POLK
COUNTIES...

At 1142 AM CDT, severe thunderstorms were located along a line
extending from 7 miles south of Wheatland to near Fair Play, moving
east at 40 mph.

HAZARD...70 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect considerable 
         tree damage. Wind damage is also likely to mobile homes, 
         roofs, and outbuildings.

Locations impacted include...
Pomme de Terre Lake...            Stockton Lake...
Pomme De Terre State Park...      Stockton...
Pittsburg...                      Humansville...
Polk...                           Fair Play...
Hermitage...                      Wheatland...
Flemington...                     Bearcreek...
Elkton...                         Arnica...
Dunnegan...                       Nemo...

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 3791 9318 3779 9319 3756 9356 3769 9380
      3783 9360 3783 9357 3785 9357 3796 9340
TIME...MOT...LOC 1642Z 289DEG 35KT 3784 9338 3766 9362 

HAIL...1.00IN
WIND...70MPH
 
$$

Titus

The office that day

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

Issued	Product	Office	Counties	Lasted
May 26, 8:12 PM CDT	River Flood Warning	SGF	Vernon	24 hr
May 27, 3:27 AM CDT	Special Weather Statement	SGF	Vernon	48 min
May 27, 5:11 AM CDT	Special Weather Statement	SGF	Benton	34 min
May 27, 9:45 AM CDT	River Flood Warning	SGF	Cedar	11 hr
May 27, 9:45 AM CDT	River Flood Warning	SGF	Vernon	11 hr
May 27, 10:32 AM CDT	Flash Flood Warning	SGF	Benton, Morgan	4 hr
May 27, 10:53 AM CDT	Flash Flood Watch	SGF	Barry, Barton, Benton, Camden, Cedar, Christian and 19 more	8 hr
May 27, 11:11 AM CDT	Flash Flood Warning	SGF	Jasper, Newton	8 hr
May 27, 11:37 AM CDT	Severe Thunderstorm Warning	SGF	Jasper, Newton	38 min
May 27, 11:45 AM CDT	Severe Thunderstorm Warning	SGF	Cedar, Dade, Dallas, Polk	60 min
May 27, 12:07 PM CDT	Severe Thunderstorm Warning	SGF	Greene, Webster	53 min
May 27, 12:24 PM CDT	Severe Thunderstorm Warning	SGF	Laclede, Pulaski	66 min
May 27, 12:45 PM CDT	Flash Flood Warning	SGF	Barry, Jasper, Lawrence, Newton	6 hr
May 27, 12:52 PM CDT	Severe Thunderstorm Warning	SGF	Webster, Wright	38 min
May 27, 1:07 PM CDT	Flash Flood Warning	SGF	Camden, Christian, Dallas, Greene, Laclede, Polk and 1 more	5 hr
May 27, 1:07 PM CDT	Severe Thunderstorm Warning	SGF	Maries, Phelps	41 min
May 27, 1:19 PM CDT	Severe Thunderstorm Warning	SGF	Laclede, Phelps, Pulaski, Texas, Wright	56 min
May 27, 1:29 PM CDT	Flash Flood Warning Considerable damage threat	SGF	Barry, Lawrence, Newton	6 hr
May 27, 1:31 PM CDT	Severe Thunderstorm Warning	SGF	Jasper, McDonald, Newton	59 min
May 27, 1:35 PM CDT	Special Weather Statement	SGF	Christian, Stone	55 min
May 27, 1:51 PM CDT	Severe Thunderstorm Warning	SGF	Christian, Douglas, Webster, Wright	54 min
May 27, 1:54 PM CDT	Special Weather Statement	SGF	Dent, Texas	51 min
May 27, 2:11 PM CDT	Flash Flood Warning	SGF	Barry, Christian, Stone	6 hr
May 27, 2:25 PM CDT	Severe Thunderstorm Warning	SGF	McDonald, Newton	47 min
May 27, 2:37 PM CDT	Flash Flood Warning	SGF	Douglas	6 hr
May 27, 2:37 PM CDT	Special Weather Statement	SGF	Howell	53 min
May 27, 2:55 PM CDT	Severe Thunderstorm Warning	SGF	Barry	50 min
May 27, 3:02 PM CDT	Severe Thunderstorm Warning	SGF	Howell	43 min
May 27, 3:28 PM CDT	Special Weather Statement	SGF	Oregon, Shannon	62 min
May 27, 3:36 PM CDT	Special Weather Statement	SGF	Christian	39 min
May 27, 3:42 PM CDT	Areal Flood Advisory	SGF	Barry, McDonald	6 hr
May 27, 3:49 PM CDT	Severe Thunderstorm Warning	SGF	Christian, Douglas, Taney	41 min
May 27, 4:09 PM CDT	Severe Thunderstorm Warning	SGF	Ozark, Taney	36 min
May 27, 4:14 PM CDT	Flash Flood Warning	SGF	Barry	6 hr
May 27, 4:31 PM CDT	Flash Flood Warning	SGF	Ozark, Stone, Taney	6 hr
May 27, 5:23 PM CDT	Severe Thunderstorm Warning	SGF	McDonald	47 min
May 27, 5:52 PM CDT	Flash Flood Warning	SGF	McDonald	4 hr
May 27, 6:25 PM CDT	Areal Flood Warning	SGF	Christian, Dallas, Greene, Hickory, Laclede, Polk and 2 more	15 hr
May 27, 6:41 PM CDT	Areal Flood Warning	SGF	Barry, Jasper, Lawrence, Newton	22 hr

Nearby

Severe Thunderstorm Warnings in Missouri, 2021 Every 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.