Alert archive / Missouri / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 68, NWS Springfield, MO

May 27, 2021Howell County, Missouri

NWS Springfield, MO issued this severe thunderstorm warning at May 27, 2021, 3:02 PM CDT for Howell County, Missouri. It was in force for 43 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, 3:02 PM CDT (20:02 UTC)
Expired: May 27, 2021, 3:45 PM CDT
In force: 43 min
Issued by: NWS Springfield, MO
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

County Howell County, MO

The radar

The Springfield radar (KSGF), 141 km from the middle of the area, began a volume at 20:05 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, 3:06 PM CDT	TSTM WND DMG	1 Ene Pottersville, MO	UTILITY COMPANY REPORTED TREE LIMBS DOWN OVER POWERLINES IN THE CAULFIELD AND POTTERSVILLE AREA. TIME ESTIMATED VIA RADAR.
May 27, 3:19 PM CDT	TSTM WND DMG	West Plains, MO	DELAYED REPORT. TREE DOWN. TIME BASED ON RADAR. VIA SOCIAL MEDIA.

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

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
May 27, 11:26 AM CDT	Severe Thunderstorm Watch	SPC	8 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 8.0 hours before the alert went out and 168 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.

346 
WUUS53 KSGF 272002
SVRSGF
MOC091-272045-
/O.NEW.KSGF.SV.W.0068.210527T2002Z-210527T2045Z/

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

The National Weather Service in Springfield has issued a

* Severe Thunderstorm Warning for...
  Howell County in south central Missouri...

* Until 345 PM CDT.

* At 302 PM CDT, severe thunderstorms were located along a line
  extending from 7 miles southwest of Willow Springs to 9 miles west
  of West Plains to near Ott, 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...
  West Plains...                    Mountain View...
  Willow Springs...                 Pomona...
  South Fork...                     Brandsville...
  Peace Valley...                   Lanton...
  Pottersville...                   Caulfield...
  Siloam Springs...                 White Church...
  Moody...                          

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 9212 3679 9212 3680 9210 3701 9209
      3706 9198 3705 9166 3679 9166 3679 9168
      3650 9168
TIME...MOT...LOC 2002Z 253DEG 30KT 3694 9209 3672 9204 3646 9206 

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

Wise

1 follow-up statement

081 
WWUS53 KSGF 272041
SVSSGF

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

MOC091-272051-
/O.EXP.KSGF.SV.W.0068.000000T0000Z-210527T2045Z/
Howell MO-
341 PM CDT Thu May 27 2021

...THE SEVERE THUNDERSTORM WARNING FOR HOWELL COUNTY WILL EXPIRE AT
345 PM CDT...
    
The storms which prompted the warning have moved out of the area.
Therefore, the warning will be allowed to expire.  However heavy rain
is still possible with these thunderstorms.

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

LAT...LON 3650 9212 3679 9212 3680 9210 3701 9209
      3706 9198 3705 9166 3679 9166 3679 9168
      3650 9168
TIME...MOT...LOC 2041Z 253DEG 30KT 3703 9172 3681 9167 3655 9169 

$$

Wise

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, 11:15 AM CDT	Severe Thunderstorm Warning	SGF	Cedar, Hickory, Polk, St. Clair	45 min
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, 3:28 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.