Alert archive / Arkansas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 78, NWS Tulsa, OK

May 3, 2021Madison County, Arkansas

NWS Tulsa, OK issued this severe thunderstorm warning at May 3, 2021, 11:14 PM CDT for Madison County, Arkansas. It was in force for 13 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 3, 2021, 11:14 PM CDT (04:14 UTC)
Expired: May 3, 2021, 11:27 PM CDT
In force: 13 min
Issued by: NWS Tulsa, OK
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

County Madison County, AR

The radar

The Western Arkansas radar (KSRX), 112 km from the middle of the area, began a volume at 04:16 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 3, 9:10 PM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 4.2 hours before the alert went out and 100 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: 1558 J/kg
Mixed-layer CIN: -63 J/kg
Mixed-layer LCL: 972 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 57 m²/s²
0-3 km storm-relative helicity: 150 m²/s²
Significant tornado parameter: 0.6
Supercell composite: 4.1

Open this sounding in Storm Lab

The text

As transmitted.

221 
WUUS54 KTSA 040414
SVRTSA
ARC087-040445-
/O.NEW.KTSA.SV.W.0078.210504T0414Z-210504T0445Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Tulsa OK
1114 PM CDT Mon May 3 2021

The National Weather Service in Tulsa has issued a

* Severe Thunderstorm Warning for...
  Eastern Madison County in northwestern Arkansas...

* Until 1145 PM CDT.

* At 1114 PM CDT, severe thunderstorms were located along a line
  extending from 3 miles southeast of Marble to 2 miles northeast of
  Upper Buffalo Wilderness Area, moving northeast at 40 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations in or near the path include...
  Marble...                         Kingston...
  Weathers...                       

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To report severe weather, contact your nearest law enforcement
agency. They will send your report to the National Weather Service
office in Tulsa.

&&

LAT...LON 3596 9347 3595 9347 3595 9349 3593 9349
      3592 9351 3588 9351 3584 9364 3620 9364
      3618 9358 3616 9358 3615 9355 3613 9355
      3612 9348 3608 9348 3608 9345 3597 9345
TIME...MOT...LOC 0414Z 238DEG 34KT 3610 9356 3595 9341 

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

1 follow-up statement

422 
WWUS54 KTSA 040427
SVSTSA

Severe Weather Statement
National Weather Service Tulsa OK
1127 PM CDT Mon May 3 2021

ARC087-040436-
/O.CAN.KTSA.SV.W.0078.000000T0000Z-210504T0445Z/
Madison AR-
1127 PM CDT Mon May 3 2021

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN MADISON COUNTY IS
CANCELLED...
    
The storms which prompted the warning have moved out of the area.
Therefore the warning has been cancelled.  However gusty winds are
still possible with these thunderstorms.

A Severe Thunderstorm Watch remains in effect until 400 AM CDT for
northwestern Arkansas.

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

LAT...LON 3596 9347 3595 9347 3595 9349 3593 9349
      3592 9351 3588 9351 3584 9364 3620 9364
      3618 9358 3616 9358 3615 9355 3613 9355
      3612 9348 3608 9348 3608 9345 3597 9345
TIME...MOT...LOC 0424Z 238DEG 34KT 3615 9345 3600 9330 

$$

The office that day

Everything else NWS Tulsa, OK issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 3, 8:53 PM CDT	Special Weather Statement	TSA	Crawford, Washington	37 min
May 3, 9:18 PM CDT	Severe Thunderstorm Warning	TSA	Crawford, Sebastian	57 min
May 3, 9:38 PM CDT	Tornado Warning	TSA	Crawford, Franklin, Sebastian	37 min
May 3, 9:51 PM CDT	Severe Thunderstorm Warning	TSA	Crawford, Franklin, Madison, Sebastian, Washington	39 min
May 3, 10:02 PM CDT	Tornado Warning	TSA	Crawford, Franklin	15 min
May 3, 10:12 PM CDT	Flash Flood Warning	TSA	Crawford, Franklin, Sebastian	3 hr
May 3, 10:12 PM CDT	Special Weather Statement	TSA	Carroll	33 min
May 3, 10:12 PM CDT	Severe Thunderstorm Warning	TSA	Franklin, Madison	48 min
May 3, 10:19 PM CDT	Flash Flood Warning	TSA	Washington	3 hr
May 3, 10:21 PM CDT	Severe Thunderstorm Warning	TSA	Madison, Washington	39 min
May 3, 10:31 PM CDT	Severe Thunderstorm Warning	TSA	Carroll, Madison, Washington	44 min
May 3, 10:52 PM CDT	Special Weather Statement	TSA	Sebastian	23 min
May 3, 11:08 PM CDT	Severe Thunderstorm Warning	TSA	Carroll	52 min

Nearby

Severe Thunderstorm Warnings in Arkansas, 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.