Alert archive / Missouri / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 70, NWS Springfield, MO

May 27, 2021Ozark County, Taney County, Missouri

NWS Springfield, MO issued this severe thunderstorm warning at May 27, 2021, 4:09 PM CDT for Ozark County, Taney County, Missouri. It was in force for 36 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, 4:09 PM CDT (21:09 UTC)
Expired: May 27, 2021, 4:45 PM CDT
In force: 36 min
Issued by: NWS Springfield, MO
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Ozark County, MO, Taney County, MO

The radar

The Springfield radar (KSGF), 77 km from the middle of the area, began a volume at 21:12 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
May 27, 11:26 AM CDT	Severe Thunderstorm Watch	SPC	8 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 9.2 hours before the alert went out and 90 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.

036 
WUUS53 KSGF 272109
SVRSGF
MOC153-213-272145-
/O.NEW.KSGF.SV.W.0070.210527T2109Z-210527T2145Z/

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

The National Weather Service in Springfield has issued a

* Severe Thunderstorm Warning for...
  Northwestern Ozark County in southwestern Missouri...
  Northeastern Taney County in southwestern Missouri...

* Until 445 PM CDT.

* At 409 PM CDT, severe thunderstorms were located along a line
  extending from 13 miles southeast of Sparta to 15 miles east of
  Forsyth to 8 miles southeast of Taneyville, moving east at 40 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Thornfield...                     Brownbranch...

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 3667 9295 3676 9289 3681 9292 3680 9258
      3667 9257
TIME...MOT...LOC 2109Z 263DEG 35KT 3686 9292 3677 9284 3669 9291 

HAIL...<.75IN
WIND...60MPH
 
$$

Wise

2 follow-up statements

934 
WWUS53 KSGF 272122
SVSSGF

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

MOC213-272132-
/O.CAN.KSGF.SV.W.0070.000000T0000Z-210527T2145Z/
Taney MO-
422 PM CDT Thu May 27 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN TANEY 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
southwestern Missouri.

LAT...LON 3680 9277 3680 9258 3667 9257 3667 9277
TIME...MOT...LOC 2122Z 265DEG 36KT 3685 9278 3676 9270 3668 9277 

$$

MOC153-272145-
/O.CON.KSGF.SV.W.0070.000000T0000Z-210527T2145Z/
Ozark MO-
422 PM CDT Thu May 27 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 PM CDT
FOR NORTHWESTERN OZARK COUNTY...

At 422 PM CDT, severe thunderstorms were located along a line
extending from 9 miles southwest of Ava to 18 miles northwest of
Gainesville to 15 miles east of Taneyville, moving east at 40 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Thornfield...                     

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 3680 9277 3680 9258 3667 9257 3667 9277
TIME...MOT...LOC 2122Z 265DEG 36KT 3685 9278 3676 9270 3668 9277 

HAIL...<.75IN
WIND...60MPH
 
$$

Wise

405 
WWUS53 KSGF 272136
SVSSGF

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

MOC153-272146-
/O.EXP.KSGF.SV.W.0070.000000T0000Z-210527T2145Z/
Ozark MO-
436 PM CDT Thu May 27 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN OZARK COUNTY WILL
EXPIRE AT 445 PM CDT...
    
The storms which prompted the warning have weakened below severe
limits, and have exited the warned 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
southwestern Missouri.

LAT...LON 3680 9277 3680 9258 3667 9257 3667 9277
TIME...MOT...LOC 2136Z 263DEG 35KT 3686 9265 3677 9257 3669 9264 

$$

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, 3:02 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, 4:14 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.