Alert archive / Arkansas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 101, NWS Little Rock, AR

May 3, 2021Polk County, Arkansas

NWS Little Rock, AR issued this severe thunderstorm warning at May 3, 2021, 10:14 PM CDT for Polk County, Arkansas. It was in force for 46 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, 10:14 PM CDT (03:14 UTC)
Expired: May 3, 2021, 11:00 PM CDT
In force: 46 min
Issued by: NWS Little Rock, AR
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Polk County, AR

The radar

The Western Arkansas radar (KSRX), 85 km from the middle of the area, began a volume at 03:16 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

Shreveport, LA (KSHV), launched 00:00Z, 3.2 hours before the alert went out and 235 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: 2938 J/kg
Mixed-layer CIN: -99 J/kg
Mixed-layer LCL: 1253 m above ground
0-6 km bulk shear: 23 kt
0-1 km storm-relative helicity: 36 m²/s²
0-3 km storm-relative helicity: 101 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 3.5

Open this sounding in Storm Lab

The text

As transmitted.

001 
WUUS54 KLZK 040314
SVRLZK
ARC113-040400-
/O.NEW.KLZK.SV.W.0101.210504T0314Z-210504T0400Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Little Rock AR
1014 PM CDT Mon May 3 2021

The National Weather Service in Little Rock has issued a

* Severe Thunderstorm Warning for...
  Western Polk County in western Arkansas...

* Until 1100 PM CDT.

* At 1013 PM CDT, severe thunderstorms were located along a line
  extending from 8 miles west of Octavia to 12 miles west of Grannis,
  moving northeast at 45 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...
  Mena...                           Wickes...
  Hatfield...                       Vandervoort...
  Cossatot River State Park...      Mountain Fork...
  Polk County Fairgrounds...        Mccauley...
  Mena Intermountain Airport...     Cove...
  Rocky...                          Camp Pioneer...
  Hatton...                         Potter...
  Dallas...                         Shady Grove...
  Bogg Springs...                   

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3473 9445 3447 9411 3419 9447
TIME...MOT...LOC 0313Z 225DEG 37KT 3455 9486 3425 9455 

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

DTC

3 follow-up statements

321 
WWUS54 KLZK 040332
SVSLZK

Severe Weather Statement
National Weather Service Little Rock AR
1032 PM CDT Mon May 3 2021

ARC113-040400-
/O.CON.KLZK.SV.W.0101.000000T0000Z-210504T0400Z/
Polk AR-
1032 PM CDT Mon May 3 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1100 PM CDT
FOR WESTERN POLK COUNTY...

At 1032 PM CDT, severe thunderstorms were located along a line
extending from 7 miles northwest of Mountain Fork to near Wickes,
moving northeast at 40 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...
Mena...                           Wickes...
Hatfield...                       Vandervoort...
Cossatot River State Park...      Mountain Fork...
Polk County Fairgrounds...        Mccauley...
Mena Intermountain Airport...     Cove...
Rocky...                          Camp Pioneer...
Hatton...                         Potter...
Dallas...                         Shady Grove...
Bogg Springs...                   

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3473 9445 3447 9411 3419 9447
TIME...MOT...LOC 0332Z 225DEG 35KT 3471 9453 3430 9438 

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

DTC

598 
WWUS54 KLZK 040349 RRA
SVSLZK

Severe Weather Statement
National Weather Service Little Rock AR
1049 PM CDT Mon May 3 2021

ARC113-040400-
/O.CON.KLZK.SV.W.0101.000000T0000Z-210504T0400Z/
Polk AR-
1049 PM CDT Mon May 3 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1100 PM CDT
FOR NORTHWESTERN POLK COUNTY...

At 1049 PM CDT, severe thunderstorms were located along a line
extending from 6 miles southwest of Morgan Springs to near Cossatot
River State Park, moving northeast at 45 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...
Mena...                           Hatfield...
Mountain Fork...                  Polk County Fairgrounds...
Mccauley...                       Mena Intermountain Airport...
Cossatot River State Park...      Rocky...
Potter...                         Camp Pioneer...
Dallas...                         Shady Grove...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3473 9445 3447 9411 3433 9432 3461 9445
TIME...MOT...LOC 0349Z 225DEG 37KT 3482 9440 3441 9425 

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

DTC

398 
WWUS54 KLZK 040358
SVSLZK

Severe Weather Statement
National Weather Service Little Rock AR
1058 PM CDT Mon May 3 2021

ARC113-040408-
/O.EXP.KLZK.SV.W.0101.000000T0000Z-210504T0400Z/
Polk AR-
1058 PM CDT Mon May 3 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN POLK COUNTY WILL
EXPIRE AT 1100 PM CDT...
    
The storms which prompted the warning are moving out of the area.
Therefore, the warning will be allowed to expire.

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

LAT...LON 3473 9445 3447 9411 3433 9432 3461 9445
TIME...MOT...LOC 0358Z 225DEG 37KT 3487 9433 3446 9418 

$$

DTC

The office that day

Everything else NWS Little Rock, AR issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 3, 8:03 PM CDT	River Flood Advisory	LZK	Perry	48 hr
May 3, 9:30 PM CDT	Special Weather Statement	LZK	Scott	45 min
May 3, 10:05 PM CDT	Severe Thunderstorm Warning	LZK	Johnson, Newton	40 min
May 3, 10:17 PM CDT	Severe Thunderstorm Warning	LZK	Boone	43 min
May 3, 10:28 PM CDT	Severe Thunderstorm Warning	LZK	Logan, Scott	47 min
May 3, 10:29 PM CDT	Severe Thunderstorm Warning	LZK	Johnson, Logan, Pope, Yell	46 min
May 3, 10:38 PM CDT	Severe Thunderstorm Warning	LZK	Johnson, Newton, Pope, Searcy	52 min
May 3, 10:39 PM CDT	Severe Thunderstorm Warning	LZK	Polk, Scott	51 min
May 3, 10:56 PM CDT	Severe Thunderstorm Warning	LZK	Logan, Montgomery, Polk, Scott	49 min
May 3, 10:58 PM CDT	Severe Thunderstorm Warning	LZK	Boone, Marion	23 min
May 3, 11:00 PM CDT	Severe Thunderstorm Warning	LZK	Yell	10 min
May 3, 11:03 PM CDT	Severe Thunderstorm Warning	LZK	Boone, Marion, Newton, Searcy	27 min
May 3, 11:13 PM CDT	Severe Thunderstorm Warning	LZK	Conway, Faulkner, Pope, Van Buren	47 min
May 3, 11:13 PM CDT	Severe Thunderstorm Warning	LZK	Logan, Yell	23 min
May 3, 11:23 PM CDT	Severe Thunderstorm Warning	LZK	Logan, Scott, Yell	37 min
May 3, 11:24 PM CDT	Severe Thunderstorm Warning	LZK	Baxter, Boone, Marion, Newton, Pope, Searcy and 2 more	51 min
May 3, 11:30 PM CDT	Special Weather Statement	LZK	Polk	45 min
May 3, 11:31 PM CDT	Severe Thunderstorm Warning	LZK	Pope, Yell	29 min
May 3, 11:34 PM CDT	Severe Thunderstorm Warning	LZK	Yell	29 min
May 3, 11:41 PM CDT	Severe Thunderstorm Warning	LZK	Johnson, Logan, Pope, Yell	21 min
May 3, 11:46 PM CDT	Severe Thunderstorm Warning	LZK	Montgomery, Polk, Scott	44 min
May 3, 11:52 PM CDT	Severe Thunderstorm Warning	LZK	Conway, Perry, Pope, Yell	27 min
May 3, 11:55 PM CDT	Severe Thunderstorm Warning	LZK	Cleburne, Conway, Stone, Van Buren	50 min
May 4, 12:05 AM CDT	Severe Thunderstorm Warning	LZK	Montgomery, Scott, Yell	19 min
May 4, 12:10 AM CDT	Severe Thunderstorm Warning	LZK	Baxter, Fulton, Izard, Marion, Searcy, Stone	35 min
May 4, 12:15 AM CDT	Severe Thunderstorm Warning	LZK	Polk	45 min
May 4, 12:18 AM CDT	Special Weather Statement	LZK	Conway, Faulkner, Perry, Yell	42 min
May 4, 12:40 AM CDT	Severe Thunderstorm Warning	LZK	Montgomery, Polk	26 min
May 4, 12:44 AM CDT	Special Weather Statement	LZK	Lawrence	46 min
May 4, 12:45 AM CDT	Special Weather Statement	LZK	Cleburne, Fulton, Independence, Izard, Sharp	45 min
May 4, 12:45 AM CDT	Severe Thunderstorm Warning	LZK	Montgomery, Pike	45 min
May 4, 12:59 AM CDT	Severe Thunderstorm Warning	LZK	Lawrence, Randolph	31 min
May 4, 1:06 AM CDT	Special Weather Statement	LZK	Montgomery, Yell	39 min
May 4, 1:06 AM CDT	Severe Thunderstorm Warning	LZK	Cleburne, Independence, Jackson, Lawrence, Sharp	39 min
May 4, 1:08 AM CDT	Severe Thunderstorm Warning	LZK	Clark, Garland, Hot Spring, Montgomery, Pike	52 min
May 4, 1:21 AM CDT	Special Weather Statement	LZK	Randolph	39 min
May 4, 1:23 AM CDT	Severe Thunderstorm Warning	LZK	Garland, Montgomery, Perry, Yell	52 min
May 4, 1:31 AM CDT	Severe Thunderstorm Warning	LZK	Garland, Montgomery, Perry, Saline	44 min
May 4, 1:32 AM CDT	Severe Thunderstorm Warning	LZK	Lawrence, Randolph, Sharp	43 min
May 4, 1:41 AM CDT	Severe Thunderstorm Warning	LZK	Garland, Hot Spring, Saline	34 min
May 4, 1:43 AM CDT	Special Weather Statement	LZK	Jackson	47 min
May 4, 2:03 AM CDT	Severe Thunderstorm Warning	LZK	Conway, Faulkner, Garland, Hot Spring, Perry, Pope and 2 more	42 min
May 4, 2:18 AM CDT	Severe Thunderstorm Warning	LZK	Conway, Faulkner, Lonoke, Pulaski, Saline, White	42 min
May 4, 2:37 AM CDT	Severe Thunderstorm Warning	LZK	Lonoke, Prairie, White	38 min
May 4, 2:58 AM CDT	Severe Thunderstorm Warning	LZK	Lonoke, Monroe, Prairie, Woodruff	32 min
May 4, 3:07 AM CDT	Severe Thunderstorm Warning	LZK	Lonoke, Prairie	14 min
May 4, 10:05 AM CDT	River Flood Advisory	LZK	Lawrence, Randolph	21 hr
May 4, 11:43 AM CDT	Severe Thunderstorm Warning	LZK	Desha, Drew	62 min
May 4, 12:44 PM CDT	Flash Flood Warning	LZK	Desha, Drew	3 hr
May 4, 4:15 PM CDT	Special Weather Statement	LZK	Independence	30 min
May 4, 4:38 PM CDT	Special Weather Statement	LZK	Jackson	37 min
May 4, 5:04 PM CDT	Special Weather Statement	LZK	Lawrence	41 min
May 4, 5:06 PM CDT	Special Weather Statement	LZK	Jackson	39 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.