Alert archive / Arkansas / Tornado Warnings in 2018
Tornado Warning 5, NWS Tulsa, OK
NWS Tulsa, OK issued this tornado warning at Apr 13, 2018, 3:50 PM CDT for Crawford County, Franklin County, Sebastian County, Arkansas; Sequoyah County, Oklahoma. It was in force for 25 min. 3 reports 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 13, 2018, 3:50 PM CDT (20:50 UTC)
- Expired
- Apr 13, 2018, 4:15 PM CDT
- In force
- 25 min
- Issued by
- NWS Tulsa, OK
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 1.75 in
Counties Crawford County, AR, Franklin County, AR, Sebastian County, AR, Sequoyah County, OK
The radar
The Western Arkansas radar (KSRX), 20 km from the middle of the area, began a volume at 20:51 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 13, 4:09 PM CDT | TSTM WND DMG | 2 N Alma, AR | UPROOTED AND SNAPPED TREES. |
| Apr 13, 4:14 PM CDT | TSTM WND DMG | Mountainburg, AR | ROOF PARTIALLY REMOVED FROM HOME ON NORTH SIDE OF TOWN. POWER LINES DOWN ON ALONG HIGHWAY 71. |
| Apr 13, 4:18 PM CDT | TORNADO | Mountainburg, AR | SPRINGDALE ASP ADVISES THAT ONE HOME DAMAGED. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Apr 13, 1:20 PM CDT | Tornado Watch | SPC | 9 hr |
The nearest sounding before it
Springfield, MO (KSGF), launched 12:00Z, 8.8 hours before the alert went out and 166 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
- 1715 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 572 m²/s²
- 0-3 km storm-relative helicity
- 541 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
959
WFUS54 KTSA 132050
TORTSA
ARC033-047-131-OKC135-132115-
/O.NEW.KTSA.TO.W.0005.180413T2050Z-180413T2115Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Tulsa OK
350 PM CDT FRI APR 13 2018
The National Weather Service in Tulsa has issued a
* Tornado Warning for...
Northwestern Franklin County in west central Arkansas...
Crawford County in northwestern Arkansas...
Northwestern Sebastian County in west central Arkansas...
East central Sequoyah County in east central Oklahoma...
* Until 415 PM CDT
* At 350 PM CDT, a severe thunderstorm with strong low level rotation
that could produce a tornado at any time was located near Van
Buren, moving northeast at 50 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 in or near the path include...
Fort Smith... Van Buren...
Cedarville... Mountainburg...
Alma... Barling...
Roland... Mulberry...
Dyer... Chester...
Moffett... Rudy...
Lake Fort Smith... Figure Five...
Fort Smith Regional Airport... Fern...
Kibler... Concord...
Shibley... Mill Creek...
This includes the following highways,
Interstate 40 in Arkansas between mile markers 0 and 21.
Interstate 40 in Oklahoma between mile markers 322 and 328.
Interstate 540 between mile markers 1 and 13.
Interstate 49 between mile markers 22 and 40.
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 3528 9438 3532 9443 3538 9443 3538 9447
3537 9449 3535 9448 3540 9455 3575 9425
3575 9413 3576 9412 3564 9394
TIME...MOT...LOC 2050Z 222DEG 43KT 3542 9438
TORNADO...RADAR INDICATED
HAIL...1.75IN
$$
691 follow-up statement
589
WWUS54 KTSA 132057
SVSTSA
Severe Weather Statement
National Weather Service Tulsa OK
357 PM CDT FRI APR 13 2018
ARC131-OKC135-132107-
/O.CAN.KTSA.TO.W.0005.000000T0000Z-180413T2115Z/
Sebastian AR-Sequoyah OK-
357 PM CDT FRI APR 13 2018
...THE TORNADO WARNING FOR NORTHWESTERN SEBASTIAN AND EAST CENTRAL
SEQUOYAH COUNTIES IS CANCELLED...
The tornadic thunderstorm which prompted the warning has moved out
of the warned area. therefore the warning has been cancelled.
A tornado watch remains in effect until 1000 PM CDT for northwestern
and west central Arkansas.
LAT...LON 3540 9431 3547 9441 3575 9425 3575 9413
3576 9412 3564 9394
TIME...MOT...LOC 2057Z 221DEG 39KT 3547 9433
$$
ARC033-047-132115-
/O.CON.KTSA.TO.W.0005.000000T0000Z-180413T2115Z/
Franklin AR-Crawford AR-
357 PM CDT FRI APR 13 2018
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 415 PM CDT FOR
NORTHWESTERN FRANKLIN AND CENTRAL CRAWFORD COUNTIES...
At 357 PM CDT, a severe thunderstorm with strong low level rotation
that could produce a tornado at any time was located near Van Buren,
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.
Locations in or near the path include...
Van Buren... Cedarville...
Mountainburg... Alma...
Chester... Rudy...
Lake Fort Smith... Figure Five...
Fern... Concord...
Shibley... Piney...
Locke... Furry...
This includes the following highways,
Interstate 40 in Arkansas between mile markers 2 and 16.
Interstate 540 between mile markers 1 and 3.
Interstate 49 between mile markers 22 and 40.
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 3540 9431 3547 9441 3575 9425 3575 9413
3576 9412 3564 9394
TIME...MOT...LOC 2057Z 221DEG 39KT 3547 9433
TORNADO...RADAR INDICATED
HAIL...1.25IN
$$
69The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 13, 3:14 PM CDT | Special Weather Statement | TSA | Benton | 46 min |
| Apr 13, 3:28 PM CDT | Special Weather Statement | TSA | Crawford | 47 min |
| Apr 13, 3:40 PM CDT | Severe Thunderstorm Warning | TSA | Crawford, Sebastian | 50 min |
| Apr 13, 4:10 PM CDT | Tornado Warning | TSA | Crawford, Franklin, Madison, Washington | 50 min |
| Apr 13, 4:57 PM CDT | Severe Thunderstorm Warning | TSA | Carroll, Madison | 48 min |
| Apr 13, 5:02 PM CDT | Tornado Warning | TSA | Carroll, Madison | 28 min |
| Apr 13, 5:06 PM CDT | Special Weather Statement | TSA | Sebastian | 39 min |
| Apr 13, 5:19 PM CDT | Severe Thunderstorm Warning | TSA | Crawford, Franklin, Sebastian | 41 min |
| Apr 13, 5:29 PM CDT | Tornado Warning | TSA | Carroll | 15 min |
| Apr 13, 5:48 PM CDT | Tornado Warning | TSA | Franklin, Sebastian | 42 min |
| Apr 13, 6:02 PM CDT | Severe Thunderstorm Warning | TSA | Franklin, Sebastian | 28 min |
| Apr 13, 6:27 PM CDT | Severe Thunderstorm Warning | TSA | Franklin, Sebastian | 34 min |
| Apr 13, 2:09 PM CDT | Special Weather Statement | TSA | Pawnee | 51 min |
| Apr 13, 2:18 PM CDT | Special Weather Statement | TSA | Adair | 27 min |
| Apr 13, 2:30 PM CDT | Severe Thunderstorm Warning | TSA | Creek, Osage, Pawnee | 30 min |
| Apr 13, 2:38 PM CDT | Severe Thunderstorm Warning | TSA | Creek, Okfuskee, Okmulgee | 52 min |
| Apr 13, 3:04 PM CDT | Special Weather Statement | TSA | Washington | 41 min |
| Apr 13, 3:17 PM CDT | Severe Thunderstorm Warning | TSA | Creek, Okfuskee, Okmulgee, Osage, Tulsa, Wagoner | 43 min |
| Apr 13, 3:34 PM CDT | Severe Thunderstorm Warning | TSA | Pittsburg | 41 min |
| Apr 13, 3:49 PM CDT | Severe Thunderstorm Warning | TSA | Nowata, Washington | 41 min |
| Apr 13, 3:54 PM CDT | Severe Thunderstorm Warning | TSA | Muskogee, Okmulgee, Rogers, Tulsa, Wagoner | 37 min |
| Apr 13, 4:13 PM CDT | Severe Thunderstorm Warning | TSA | Latimer, Pittsburg | 34 min |
| Apr 13, 4:22 PM CDT | Severe Thunderstorm Warning | TSA | Craig, Nowata | 24 min |
| Apr 13, 4:52 PM CDT | Severe Thunderstorm Warning | TSA | Latimer, Pittsburg, Pushmataha | 53 min |
| Apr 13, 4:54 PM CDT | Special Weather Statement | TSA | Cherokee | 36 min |
| Apr 13, 5:12 PM CDT | Severe Thunderstorm Warning | TSA | Adair, Cherokee, Delaware | 33 min |
| Apr 13, 5:20 PM CDT | Severe Thunderstorm Warning | TSA | Choctaw, Pushmataha | 40 min |
| Apr 13, 5:30 PM CDT | Severe Thunderstorm Warning | TSA | Haskell, Latimer, LeFlore, Pushmataha | 45 min |
| Apr 13, 5:59 PM CDT | Severe Thunderstorm Warning | TSA | Choctaw, Pushmataha | 46 min |
| Apr 13, 6:10 PM CDT | Tornado Warning | TSA | LeFlore | 16 min |
| Apr 13, 6:26 PM CDT | Severe Thunderstorm Warning | TSA | Latimer, LeFlore, Pushmataha | 36 min |
| Apr 13, 6:44 PM CDT | Special Weather Statement | TSA | Pushmataha | 31 min |
Nearby
Tornado Warnings in Arkansas, 2018Tornado Warnings in Oklahoma, 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.