Alert archive / Arkansas / Tornado Warnings in 2021
Tornado Warning 4, NWS Little Rock, AR
NWS Little Rock, AR issued this tornado warning at Mar 17, 2021, 5:55 AM CDT for Arkansas County, Desha County, Arkansas. It was in force for 25 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
- Mar 17, 2021, 5:55 AM CDT (10:55 UTC)
- Expired
- Mar 17, 2021, 6:20 AM CDT
- In force
- 25 min
- Issued by
- NWS Little Rock, AR
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 1.75 in
Counties Arkansas County, AR, Desha County, AR
The radar
The Little Rock radar (KLZK), 145 km from the middle of the area, began a volume at 10:59 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 |
|---|---|---|---|
| Mar 17, 5:53 AM CDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Little Rock, AR (KLZK), launched 00:00Z, 10.9 hours before the alert went out and 135 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2044 m above ground
- 0-6 km bulk shear
- 63 kt
- 0-1 km storm-relative helicity
- 200 m²/s²
- 0-3 km storm-relative helicity
- 260 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
The text
As transmitted.
432
WFUS54 KLZK 171055
TORLZK
ARC001-041-171145-
/O.NEW.KLZK.TO.W.0004.210317T1055Z-210317T1145Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Little Rock AR
555 AM CDT Wed Mar 17 2021
The National Weather Service in Little Rock has issued a
* Tornado Warning for...
Northeastern Desha County in southeastern Arkansas...
Southeastern Arkansas County in southeastern Arkansas...
* Until 645 AM CDT.
* At 554 AM CDT, a severe thunderstorm capable of producing a tornado
was located over Yancopin, or 12 miles north of Rohwer, moving
northeast at 40 mph.
HAZARD...Tornado and golf ball size hail.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed.
Damage to roofs, windows, and vehicles will occur. Tree
damage is likely.
* Locations impacted include...
Watson... Yancopin...
Merrisach Lake... Trusten Holder WMA...
Arkansas Post... Morgan Point Recreation Area...
Pendleton...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!
&&
LAT...LON 3402 9090 3402 9099 3398 9096 3396 9097
3397 9100 3400 9102 3397 9109 3395 9108
3393 9101 3387 9107 3385 9107 3383 9133
3400 9139 3416 9109 3414 9108 3412 9112
3412 9096 3409 9092 3410 9089 3409 9087
TIME...MOT...LOC 1054Z 243DEG 37KT 3394 9125
TORNADO...RADAR INDICATED
HAIL...1.75IN
$$
652 follow-up statements
759
WWUS54 KLZK 171106
SVSLZK
Severe Weather Statement
National Weather Service Little Rock AR
606 AM CDT Wed Mar 17 2021
ARC001-171115-
/O.CAN.KLZK.TO.W.0004.000000T0000Z-210317T1145Z/
Arkansas AR-
606 AM CDT Wed Mar 17 2021
...THE TORNADO WARNING FOR SOUTHEASTERN ARKANSAS COUNTY IS
CANCELLED...
The tornadic thunderstorm which prompted the warning has moved out
of the warned area. Therefore, the warning has been cancelled.
A Tornado Watch remains in effect until 100 PM CDT for southeastern
Arkansas.
LAT...LON 3402 9090 3402 9099 3398 9096 3396 9097
3397 9100 3400 9102 3397 9109 3395 9108
3393 9101 3387 9107 3385 9107 3384 9118
3412 9106 3412 9096 3409 9092 3410 9089
3409 9088
TIME...MOT...LOC 1105Z 243DEG 37KT 3400 9112
$$
ARC041-171145-
/O.CON.KLZK.TO.W.0004.000000T0000Z-210317T1145Z/
Desha AR-
606 AM CDT Wed Mar 17 2021
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 645 AM CDT FOR
NORTHEASTERN DESHA COUNTY...
At 605 AM CDT, a severe thunderstorm capable of producing a tornado
was located near Trusten Holder WMA, or 11 miles northwest of
Rosedale, moving northeast at 45 mph.
HAZARD...Tornado and half dollar size hail.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
This tornadic thunderstorm will remain over mainly rural areas of
northeastern Desha County.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!
&&
LAT...LON 3402 9090 3402 9099 3398 9096 3396 9097
3397 9100 3400 9102 3397 9109 3395 9108
3393 9101 3387 9107 3385 9107 3384 9118
3412 9106 3412 9096 3409 9092 3410 9089
3409 9088
TIME...MOT...LOC 1105Z 243DEG 37KT 3400 9112
TORNADO...RADAR INDICATED
HAIL...1.25IN
$$
65349
WWUS54 KLZK 171120
SVSLZK
Severe Weather Statement
National Weather Service Little Rock AR
620 AM CDT Wed Mar 17 2021
ARC041-171129-
/O.CAN.KLZK.TO.W.0004.000000T0000Z-210317T1145Z/
Desha AR-
620 AM CDT Wed Mar 17 2021
...THE TORNADO WARNING FOR NORTHEASTERN DESHA COUNTY IS CANCELLED...
The tornadic thunderstorm which prompted the warning has moved out
of the warned area. Therefore, the warning has been cancelled.
A Tornado Watch remains in effect until 100 PM CDT for southeastern
Arkansas.
To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Little Rock.
LAT...LON 3402 9090 3402 9099 3398 9096 3396 9097
3397 9100 3400 9102 3397 9109 3395 9108
3393 9101 3387 9107 3385 9107 3384 9118
3412 9106 3412 9096 3409 9092 3410 9089
3409 9088
TIME...MOT...LOC 1118Z 243DEG 37KT 3407 9096
$$
65The office that day
Everything else NWS Little Rock, AR issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 17, 12:34 AM CDT | Severe Thunderstorm Warning | LZK | Bradley, Calhoun, Cleveland, Drew, Ouachita | 56 min |
| Mar 17, 1:17 AM CDT | Special Weather Statement | LZK | Scott | 28 min |
| Mar 17, 1:40 AM CDT | Severe Thunderstorm Warning | LZK | Scott | 35 min |
| Mar 17, 1:43 AM CDT | Special Weather Statement | LZK | Drew | 32 min |
| Mar 17, 2:14 AM CDT | Special Weather Statement | LZK | Scott | 31 min |
| Mar 17, 2:47 AM CDT | Severe Thunderstorm Warning | LZK | Logan, Scott | 28 min |
| Mar 17, 2:52 AM CDT | Severe Thunderstorm Warning | LZK | Logan, Scott, Yell | 38 min |
| Mar 17, 3:11 AM CDT | Special Weather Statement | LZK | Ouachita | 49 min |
| Mar 17, 3:15 AM CDT | Severe Thunderstorm Warning | LZK | Johnson, Logan | 34 min |
| Mar 17, 3:29 AM CDT | Severe Thunderstorm Warning | LZK | Johnson, Logan, Pope | 46 min |
| Mar 17, 3:44 AM CDT | Special Weather Statement | LZK | Calhoun, Lincoln, Ouachita | 31 min |
| Mar 17, 3:51 AM CDT | Special Weather Statement | LZK | Conway | 24 min |
| Mar 17, 3:57 AM CDT | Special Weather Statement | LZK | Faulkner | 33 min |
| Mar 17, 4:00 AM CDT | Severe Thunderstorm Warning | LZK | Conway, Pope, Van Buren, Yell | 30 min |
| Mar 17, 4:15 AM CDT | Severe Thunderstorm Warning | LZK | Conway, Johnson, Logan, Newton, Pope, Van Buren and 1 more | 45 min |
| Mar 17, 4:29 AM CDT | Special Weather Statement | LZK | Van Buren | 46 min |
| Mar 17, 4:44 AM CDT | Special Weather Statement | LZK | Stone | 46 min |
| Mar 17, 4:44 AM CDT | Special Weather Statement | LZK | Dallas | 46 min |
| Mar 17, 4:53 AM CDT | Severe Thunderstorm Warning | LZK | Cleburne, White | 37 min |
| Mar 17, 4:54 AM CDT | Special Weather Statement | LZK | Lincoln | 51 min |
| Mar 17, 4:58 AM CDT | Special Weather Statement | LZK | Pope, Searcy, Van Buren | 47 min |
| Mar 17, 5:01 AM CDT | Severe Thunderstorm Warning | LZK | Bradley, Cleveland, Desha, Drew, Jefferson, Lincoln | 44 min |
| Mar 17, 5:22 AM CDT | Tornado Warning | LZK | Arkansas, Desha, Drew, Lincoln | 38 min |
| Mar 17, 5:52 AM CDT | Severe Thunderstorm Warning | LZK | Arkansas, Cleveland, Grant, Jefferson | 41 min |
| Mar 17, 6:21 AM CDT | Special Weather Statement | LZK | Sharp | 24 min |
| Mar 17, 7:51 AM CDT | Special Weather Statement | LZK | Searcy | 39 min |
| Mar 17, 8:18 AM CDT | Special Weather Statement | LZK | Monroe | 27 min |
| Mar 17, 8:18 AM CDT | Special Weather Statement | LZK | Pike | 42 min |
| Mar 17, 10:27 AM CDT | Flash Flood Warning | LZK | Pulaski | 3 hr |
| Mar 17, 3:50 PM CDT | Tornado Warning | LZK | Drew | 40 min |
| Mar 17, 4:30 PM CDT | Tornado Warning | LZK | Desha, Drew | 45 min |
| Mar 17, 5:11 PM CDT | Special Weather Statement | LZK | Drew | 49 min |
| Mar 17, 5:22 PM CDT | Special Weather Statement | LZK | Desha | 38 min |
| Mar 17, 5:46 PM CDT | Special Weather Statement | LZK | Woodruff | 44 min |
| Mar 17, 6:42 PM CDT | Special Weather Statement | LZK | Newton | 48 min |
Nearby
Tornado Warnings in Arkansas, 2021Every tornado warning in 2021Tornadoes 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.