Alert archive / Arkansas / Severe Thunderstorm Warnings in 2018
Severe Thunderstorm Warning 21, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Mar 27, 2018, 10:04 AM CDT for Crawford County, Franklin County, Sebastian County, Arkansas. It was in force for 26 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 27, 2018, 10:04 AM CDT (15:04 UTC)
- Expired
- Mar 27, 2018, 10:30 AM CDT
- In force
- 26 min
- Issued by
- NWS Tulsa, OK
- Area
- Storm-based polygon
- Tornado
- Possible
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Crawford County, AR, Franklin County, AR, Sebastian County, AR
The radar
The Western Arkansas radar (KSRX), 28 km from the middle of the area, began a volume at 15:05 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 nearest sounding before it
Springfield, MO (KSGF), launched 12:00Z, 3.1 hours before the alert went out and 169 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
- 1 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 617 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- -16 m²/s²
- 0-3 km storm-relative helicity
- -58 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
780 WUUS54 KTSA 271504 SVRTSA ARC033-047-131-271530- /O.NEW.KTSA.SV.W.0021.180327T1504Z-180327T1530Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Tulsa OK 1004 AM CDT TUE MAR 27 2018 The National Weather Service in Tulsa has issued a * Severe Thunderstorm Warning for... Western Franklin County in west central Arkansas... Southeastern Crawford County in northwestern Arkansas... Northeastern Sebastian County in west central Arkansas... * Until 1030 AM CDT * At 1003 AM CDT, a severe thunderstorm was located near Lavaca, moving northeast at 40 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations in or near the path include... Ozark... Lavaca... Mulberry... Dyer... Jethro... Etna... Meg... Toney... Peter Pender... Vesta... Cecil... Lonelm... Ursula... Cravens... This includes Interstate 40 in Arkansas between mile markers 22 and 33. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 3530 9422 3538 9426 3566 9390 3535 9382 TIME...MOT...LOC 1503Z 238DEG 33KT 3536 9420 TORNADO...POSSIBLE HAIL...<.75IN WIND...60MPH $$ Lacy
1 follow-up statement
796
WWUS54 KTSA 271517
SVSTSA
Severe Weather Statement
National Weather Service Tulsa OK
1017 AM CDT TUE MAR 27 2018
ARC033-271526-
/O.CAN.KTSA.SV.W.0021.000000T0000Z-180327T1530Z/
Crawford AR-
1017 AM CDT TUE MAR 27 2018
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN CRAWFORD COUNTY
IS CANCELLED...
The severe thunderstorm which prompted the warning is no longer
expected to affect the warned area. Therefore the warning has been
cancelled.
LAT...LON 3535 9382 3531 9414 3541 9414 3546 9405
3546 9403 3547 9402 3555 9387 3554 9387
TIME...MOT...LOC 1516Z 247DEG 29KT 3538 9408
$$
ARC047-131-271530-
/O.CON.KTSA.SV.W.0021.000000T0000Z-180327T1530Z/
Franklin AR-Sebastian AR-
1017 AM CDT TUE MAR 27 2018
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1030 AM CDT
FOR SOUTHWESTERN FRANKLIN AND NORTHEASTERN SEBASTIAN COUNTIES...
At 1016 AM CDT, a severe thunderstorm was located 6 miles north of
Charleston, moving east at 35 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations in or near the path include...
Ozark... Etna...
Peter Pender... Vesta...
Cecil... Ursula...
Meg...
This includes Interstate 40 in Arkansas between mile markers 31 and
33.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3535 9382 3531 9414 3541 9414 3546 9405
3546 9403 3547 9402 3555 9387 3554 9387
TIME...MOT...LOC 1516Z 247DEG 29KT 3538 9408
TORNADO...POSSIBLE
HAIL...<.75IN
WIND...60MPH
$$
LacyThe office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 27, 8:53 AM CDT | Areal Flood Advisory | TSA | Crawford, Franklin, Madison, Washington | 8 hr |
| Mar 27, 9:22 AM CDT | Special Weather Statement | TSA | Crawford, Sebastian | 23 min |
| Mar 27, 9:30 AM CDT | Areal Flood Advisory | TSA | Crawford, Franklin, Sebastian | 8 hr |
| Mar 27, 9:40 AM CDT | Severe Thunderstorm Warning | TSA | Sebastian | 35 min |
| Mar 27, 9:45 AM CDT | Tornado Warning | TSA | Crawford, Sebastian | 14 min |
| Mar 27, 10:14 AM CDT | Areal Flood Advisory | TSA | Benton, Carroll | 7 hr |
| Mar 27, 10:26 AM CDT | Severe Thunderstorm Warning | TSA | Franklin | 34 min |
| Mar 27, 1:40 PM CDT | Areal Flood Warning | TSA | Benton, Carroll, Crawford, Franklin, Madison, Washington | 24 hr |
| Mar 27, 2:56 PM CDT | River Flood Advisory | TSA | Crawford | 19 hr |
Nearby
Severe Thunderstorm Warnings in Arkansas, 2018Every severe thunderstorm warning 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.