Alert archive / Arkansas / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 20, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Apr 9, 2021, 2:33 PM CDT for Carroll County, Madison County, Arkansas. It was in force for 42 min. 1 report 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
- Apr 9, 2021, 2:33 PM CDT (19:33 UTC)
- Expired
- Apr 9, 2021, 3:15 PM CDT
- In force
- 42 min
- Issued by
- NWS Tulsa, OK
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Carroll County, AR, Madison County, AR
The radar
The Springfield radar (KSGF), 107 km from the middle of the area, began a volume at 19:34 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 |
|---|---|---|---|
| Apr 9, 2:48 PM CDT | TSTM WND GST 60 | 3 S Eureka Springs, AR |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Springfield, MO (KSGF), launched 12:00Z, 7.6 hours before the alert went out and 65 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
- 107 J/kg
- Mixed-layer CIN
- -149 J/kg
- Mixed-layer LCL
- 1650 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 415 m²/s²
- 0-3 km storm-relative helicity
- 429 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.8
The text
As transmitted.
625
WUUS54 KTSA 091933
SVRTSA
ARC015-087-092015-
/O.NEW.KTSA.SV.W.0020.210409T1933Z-210409T2015Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Tulsa OK
233 PM CDT Fri Apr 9 2021
The National Weather Service in Tulsa has issued a
* Severe Thunderstorm Warning for...
North central Madison County in northwestern Arkansas...
Northwestern Carroll County in northwestern Arkansas...
* Until 315 PM CDT.
* At 233 PM CDT, a severe thunderstorm was located 5 miles northeast
of Clifty, moving north at 35 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 in or near the path include...
Berryville... Eureka Springs...
Beaver... Urbanette...
Grandview... Clifty...
Rockhouse... Pleasant Ridge...
Oak Hill... Busch...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Large hail and damaging winds and continuous cloud to ground
lightning is occurring with this storm. Move indoors immediately.
Lightning is one of nature's leading killers. Remember, if you can
hear thunder, you are close enough to be struck by lightning.
&&
LAT...LON 3619 9366 3624 9387 3627 9387 3631 9386
3631 9382 3633 9385 3650 9385 3650 9348
TIME...MOT...LOC 1933Z 199DEG 30KT 3630 9373
HAIL...1.00IN
WIND...60MPH
$$3 follow-up statements
876
WWUS54 KTSA 091944
SVSTSA
Severe Weather Statement
National Weather Service Tulsa OK
244 PM CDT Fri Apr 9 2021
ARC087-091953-
/O.CAN.KTSA.SV.W.0020.000000T0000Z-210409T2015Z/
Madison AR-
244 PM CDT Fri Apr 9 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL MADISON COUNTY
IS CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore the warning has been cancelled.
LAT...LON 3627 9361 3627 9364 3628 9363 3628 9366
3630 9365 3630 9366 3631 9381 3633 9385
3650 9385 3650 9348
TIME...MOT...LOC 1943Z 202DEG 30KT 3636 9364
$$
ARC015-092015-
/O.CON.KTSA.SV.W.0020.000000T0000Z-210409T2015Z/
Carroll AR-
244 PM CDT Fri Apr 9 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 315 PM CDT
FOR NORTHWESTERN CARROLL COUNTY...
At 243 PM CDT, a severe thunderstorm was located 4 miles west of
Berryville, moving north at 35 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 in or near the path include...
Berryville... Eureka Springs...
Beaver... Urbanette...
Grandview... Pleasant Ridge...
Oak Hill... Busch...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.
&&
LAT...LON 3627 9361 3627 9364 3628 9363 3628 9366
3630 9365 3630 9366 3631 9381 3633 9385
3650 9385 3650 9348
TIME...MOT...LOC 1943Z 202DEG 30KT 3636 9364
HAIL...1.00IN
WIND...60MPH
$$848
WWUS54 KTSA 092002
SVSTSA
Severe Weather Statement
National Weather Service Tulsa OK
302 PM CDT Fri Apr 9 2021
ARC015-092015-
/O.CON.KTSA.SV.W.0020.000000T0000Z-210409T2015Z/
Carroll AR-
302 PM CDT Fri Apr 9 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 315 PM CDT
FOR NORTHWESTERN CARROLL COUNTY...
At 301 PM CDT, a severe thunderstorm was located 4 miles northeast of
Grandview, moving north at 35 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations in or near the path include...
Eureka Springs... Beaver...
Urbanette... Grandview...
Pleasant Ridge... Oak Hill...
Busch...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.
&&
LAT...LON 3640 9354 3643 9385 3650 9385 3650 9348
TIME...MOT...LOC 2001Z 198DEG 29KT 3649 9358
HAIL...1.00IN
WIND...60MPH
$$766
WWUS54 KTSA 092010 RRA
SVSTSA
Severe Weather Statement
National Weather Service Tulsa OK
310 PM CDT Fri Apr 9 2021
ARC015-092020-
/O.EXP.KTSA.SV.W.0020.000000T0000Z-210409T2015Z/
Carroll AR-
310 PM CDT Fri Apr 9 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN CARROLL COUNTY
WILL EXPIRE AT 315 PM CDT...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore the warning will be allowed to expire. However gusty winds
are still possible with this thunderstorm.
LAT...LON 3640 9354 3643 9385 3650 9385 3650 9348
TIME...MOT...LOC 2010Z 203DEG 16KT 3650 9357
$$The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 9, 12:41 PM CDT | Special Weather Statement | TSA | Franklin | 34 min |
| Apr 9, 1:11 PM CDT | Special Weather Statement | TSA | Franklin | 34 min |
| Apr 9, 1:41 PM CDT | Special Weather Statement | TSA | Franklin | 19 min |
| Apr 9, 2:24 PM CDT | Special Weather Statement | TSA | Carroll | 36 min |
| Apr 9, 2:41 PM CDT | Severe Thunderstorm Warning | TSA | Carroll | 34 min |
Nearby
Severe Thunderstorm Warnings in Arkansas, 2021Every 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.