Alert archive / Arkansas / Tornado Warnings in 2018
Tornado Warning 18, NWS Tulsa, OK
NWS Tulsa, OK issued this tornado warning at Aug 19, 2018, 5:53 PM CDT for Madison County, Arkansas. It was in force for 37 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
- Aug 19, 2018, 5:53 PM CDT (22:53 UTC)
- Expired
- Aug 19, 2018, 6:30 PM CDT
- In force
- 37 min
- Issued by
- NWS Tulsa, OK
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.75 in
County Madison County, AR
The radar
The Western Arkansas radar (KSRX), 110 km from the middle of the area, began a volume at 22:51 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 |
|---|---|---|---|
| Aug 19, 4:07 PM CDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Springfield, MO (KSGF), launched 12:00Z, 10.9 hours before the alert went out and 91 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
- 1069 m above ground
- 0-6 km bulk shear
- 12 kt
- 0-1 km storm-relative helicity
- 18 m²/s²
- 0-3 km storm-relative helicity
- 37 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
433
WFUS54 KTSA 192253
TORTSA
ARC087-192330-
/O.NEW.KTSA.TO.W.0018.180819T2253Z-180819T2330Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Tulsa OK
553 PM CDT SUN AUG 19 2018
The National Weather Service in Tulsa has issued a
* Tornado Warning for...
Central Madison County in northwestern Arkansas...
* Until 630 PM CDT.
* At 552 PM CDT, a severe thunderstorm capable of producing a tornado
was located 3 miles northwest of Japton, moving northeast at 45
mph.
HAZARD...Tornado.
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 in or near the path include...
Huntsville... Aurora...
Wesley... Withrow Springs State Park...
Japton... Kingston...
Marble... Georgetown...
Alabam...
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.
&&
LAT...LON 3606 9345 3591 9389 3600 9395 3603 9394
3621 9367 3617 9358 3616 9359 3615 9356
3613 9355 3612 9352
TIME...MOT...LOC 2252Z 242DEG 41KT 3599 9384
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$4 follow-up statements
413
WWUS54 KTSA 192304
SVSTSA
Severe Weather Statement
National Weather Service Tulsa OK
604 PM CDT SUN AUG 19 2018
ARC087-192330-
/O.CON.KTSA.TO.W.0018.000000T0000Z-180819T2330Z/
Madison AR-
604 PM CDT SUN AUG 19 2018
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 630 PM CDT FOR CENTRAL
MADISON COUNTY...
At 604 PM CDT, a severe thunderstorm capable of producing a tornado
was located 4 miles northeast of Japton, moving northeast at 35 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
Locations in or near the path include...
Huntsville... Aurora...
Withrow Springs State Park... Kingston...
Marble... Alabam...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 3596 9374 3601 9386 3607 9386 3621 9367
3617 9358 3616 9359 3615 9356 3613 9355
3612 9352 3606 9345
TIME...MOT...LOC 2304Z 242DEG 32KT 3602 9377
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$435
WWUS54 KTSA 192315
SVSTSA
Severe Weather Statement
National Weather Service Tulsa OK
615 PM CDT SUN AUG 19 2018
ARC087-192330-
/O.CON.KTSA.TO.W.0018.000000T0000Z-180819T2330Z/
Madison AR-
615 PM CDT SUN AUG 19 2018
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 630 PM CDT FOR EAST
CENTRAL MADISON COUNTY...
At 615 PM CDT, a severe thunderstorm capable of producing a tornado
was located 4 miles east of Huntsville, moving northeast at 45 mph.
HAZARD...Tornado.
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 in or near the path include...
Huntsville... Marble...
Kingston...
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.
&&
LAT...LON 3600 9367 3604 9376 3609 9375 3618 9361
3617 9358 3616 9359 3615 9356 3613 9355
3612 9352 3606 9345
TIME...MOT...LOC 2315Z 241DEG 39KT 3606 9366
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$714
WWUS54 KTSA 192324
SVSTSA
Severe Weather Statement
National Weather Service Tulsa OK
624 PM CDT SUN AUG 19 2018
ARC087-192330-
/O.CON.KTSA.TO.W.0018.000000T0000Z-180819T2330Z/
Madison AR-
624 PM CDT SUN AUG 19 2018
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 630 PM CDT FOR EAST
CENTRAL MADISON COUNTY...
At 624 PM CDT, a severe thunderstorm capable of producing a tornado
was located 4 miles south of Marble, moving northeast at 40 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
Locations in or near the path include...
Marble... Kingston...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 3603 9361 3605 9368 3611 9368 3615 9361
3617 9358 3615 9357 3615 9356 3613 9355
3612 9352 3606 9345
TIME...MOT...LOC 2324Z 241DEG 37KT 3608 9361
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$940
WWUS54 KTSA 192329
SVSTSA
Severe Weather Statement
National Weather Service Tulsa OK
629 PM CDT SUN AUG 19 2018
ARC087-192339-
/O.EXP.KTSA.TO.W.0018.000000T0000Z-180819T2330Z/
Madison AR-
629 PM CDT SUN AUG 19 2018
...THE TORNADO WARNING FOR EAST CENTRAL MADISON COUNTY WILL EXPIRE AT
630 PM CDT...
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore the warning will be allowed to expire.
A Tornado Watch remains in effect until 900 PM CDT for northwestern
Arkansas.
LAT...LON 3603 9361 3605 9368 3611 9368 3615 9361
3617 9358 3615 9357 3615 9356 3613 9355
3612 9352 3606 9345
TIME...MOT...LOC 2329Z 242DEG 41KT 3610 9356
$$The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 19, 4:17 PM CDT | Tornado Warning | TSA | Washington | 29 min |
| Aug 19, 4:34 PM CDT | Special Weather Statement | TSA | Crawford | 26 min |
| Aug 19, 4:46 PM CDT | Special Weather Statement | TSA | Crawford, Washington | 44 min |
| Aug 19, 5:09 PM CDT | Severe Thunderstorm Warning | TSA | Crawford, Franklin, Washington | 51 min |
| Aug 19, 5:41 PM CDT | Severe Thunderstorm Warning | TSA | Crawford, Franklin, Madison | 49 min |
| Aug 19, 6:01 PM CDT | Special Weather Statement | TSA | Franklin | 29 min |
| Aug 19, 6:14 PM CDT | Severe Thunderstorm Warning | TSA | Franklin, Madison | 19 min |
| Aug 19, 6:41 PM CDT | Severe Thunderstorm Warning | TSA | Franklin, Sebastian | 49 min |
Nearby
Tornado Warnings in Arkansas, 2018Every tornado warning in 2018Tornadoes in 2018
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.