Alert archive / Arkansas / Tornado Warnings in 2013
Tornado Warning 27, NWS Tulsa, OK
NWS Tulsa, OK issued this tornado warning at May 20, 2013, 9:20 PM CDT for Crawford County, Franklin County, Sebastian County, Arkansas. It was in force for 40 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
- May 20, 2013, 9:20 PM CDT (02:20 UTC)
- Expired
- May 20, 2013, 10:00 PM CDT
- In force
- 40 min
- Issued by
- NWS Tulsa, OK
- Area
- Storm-based polygon
Counties Crawford County, AR, Franklin County, AR, Sebastian County, AR
The radar
The Western Arkansas radar (KSRX), 39 km from the middle of the area, began a volume at 02:22 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 |
|---|---|---|---|
| May 20, 9:35 PM CDT | TSTM WND DMG | 2 Sse Peter Pender, AR | SMALL TREES AND BRANCHES DOWN ON HIGHWAY 23 NEAR THE FRANKLIN/LOGAN COUNTY LINE. |
| May 20, 9:44 PM CDT | TSTM WND DMG | 2 Sw Ozark, AR | OAK BEND ROAD BLOCKED BY DOWNED TREES NEAR INTERSECTION WITH HIGHWAY 96. |
| May 20, 9:48 PM CDT | TSTM WND DMG | 4 Sw Ozark, AR | TREES DOWN |
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 |
|---|---|---|---|
| May 20, 1:10 PM CDT | Tornado Watch | SPC | 9 hr |
| May 20, 7:39 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Springfield, MO (KSGF), launched 00:00Z, 2.3 hours before the alert went out and 176 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
- 2135 J/kg
- Mixed-layer CIN
- -10 J/kg
- Mixed-layer LCL
- 780 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 236 m²/s²
- 0-3 km storm-relative helicity
- 265 m²/s²
- Significant tornado parameter
- 3.2
- Supercell composite
- 13.9
The text
As transmitted, in the capitals the NWS used until 2016.
113
WFUS54 KTSA 210220
TORTSA
ARC033-047-131-210300-
/O.NEW.KTSA.TO.W.0027.130521T0220Z-130521T0300Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TULSA OK
920 PM CDT MON MAY 20 2013
THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
* TORNADO WARNING FOR...
EASTERN CRAWFORD COUNTY IN NORTHWEST ARKANSAS...
SOUTHWESTERN FRANKLIN COUNTY IN WEST CENTRAL ARKANSAS...
NORTHEASTERN SEBASTIAN COUNTY IN WEST CENTRAL ARKANSAS...
* UNTIL 1000 PM CDT
* AT 917 PM CDT...A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING
TORNADOES WAS LOCATED ALONG A LINE EXTENDING FROM 14 MILES WEST OF
CHARLESTON TO 3 MILES SOUTHWEST OF FORT CHAFFEE...MOVING NORTHEAST
AT 50 MPH. TORNADOES MAY FORM RAPIDLY ANYWHERE IN THE LINE OF
STORMS!
* SOME LOCATIONS IN OR NEAR THE PATH OF THESE STORMS INCLUDE...
CHARLESTON...BRANCH AND MULBERRY.
THIS INCLUDES INTERSTATE 40 BETWEEN MILE MARKERS 20 AND 34.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IF YOU ARE NEAR THE PATH OF THIS STORM...TAKE COVER NOW! IF NO
UNDERGROUND SHELTER IS AVAILABLE MOVE TO AN INTERIOR ROOM ON THE
LOWEST FLOOR. MOBILE HOMES AND VEHICLES SHOULD BE ABANDONED FOR MORE
SUBSTANTIAL SHELTER. AVOID WINDOWS!
&&
LAT...LON 3531 9382 3532 9390 3523 9392 3523 9393
3523 9402 3518 9402 3516 9408 3561 9412
3560 9391 3540 9380 3532 9381
TIME...MOT...LOC 0220Z 241DEG 44KT 3538 9423 3519 9405
$$1 follow-up statement
565
WWUS54 KTSA 210246
SVSTSA
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
946 PM CDT MON MAY 20 2013
ARC033-131-210256-
/O.CAN.KTSA.TO.W.0027.000000T0000Z-130521T0300Z/
CRAWFORD AR-SEBASTIAN AR-
946 PM CDT MON MAY 20 2013
...THE TORNADO WARNING FOR NORTHEASTERN SEBASTIAN AND EASTERN
CRAWFORD COUNTIES IS CANCELLED...
LAT...LON 3532 9381 3531 9382 3532 9390 3547 9402
3561 9404 3560 9391 3540 9380
TIME...MOT...LOC 0246Z 241DEG 44KT 3553 9389 3534 9371
$$
ARC047-210300-
/O.CON.KTSA.TO.W.0027.000000T0000Z-130521T0300Z/
FRANKLIN AR-
946 PM CDT MON MAY 20 2013
...TORNADO WARNING REMAINS IN EFFECT UNTIL 1000 PM CDT FOR CENTRAL
FRANKLIN COUNTY...
AT 944 PM CDT...A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING
TORNADOES WAS LOCATED ALONG A LINE EXTENDING FROM CRAVENS TO 7 MILES
SOUTHEAST OF ETNA...MOVING NORTHEAST AT 50 MPH. TORNADOES MAY FORM
RAPIDLY ANYWHERE IN THE LINE OF STORMS!
THIS INCLUDES INTERSTATE 40 BETWEEN MILE MARKERS 25 AND 33.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IF YOU ARE NEAR THE PATH OF THIS STORM...TAKE COVER NOW! IF NO
UNDERGROUND SHELTER IS AVAILABLE MOVE TO AN INTERIOR ROOM ON THE
LOWEST FLOOR. MOBILE HOMES AND VEHICLES SHOULD BE ABANDONED FOR MORE
SUBSTANTIAL SHELTER. AVOID WINDOWS!
&&
LAT...LON 3532 9381 3531 9382 3532 9390 3547 9402
3561 9404 3560 9391 3540 9380
TIME...MOT...LOC 0246Z 241DEG 44KT 3553 9389 3534 9371
$$The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 20, 7:00 PM CDT | Severe Thunderstorm Warning | TSA | Benton, Carroll | 60 min |
| May 20, 7:04 PM CDT | Tornado Warning | TSA | Benton, Madison, Washington | 41 min |
| May 20, 7:23 PM CDT | Severe Thunderstorm Warning | TSA | Crawford, Sebastian, Washington | 67 min |
| May 20, 7:25 PM CDT | Tornado Warning | TSA | Benton, Carroll, Madison | 50 min |
| May 20, 7:31 PM CDT | Tornado Warning | TSA | Crawford, Sebastian | 44 min |
| May 20, 7:41 PM CDT | Severe Thunderstorm Warning | TSA | Carroll, Madison, Washington | 64 min |
| May 20, 7:50 PM CDT | Severe Thunderstorm Warning | TSA | Sebastian | 70 min |
| May 20, 7:57 PM CDT | Severe Thunderstorm Warning | TSA | Crawford, Franklin, Madison, Sebastian, Washington | 63 min |
| May 20, 8:02 PM CDT | Severe Thunderstorm Warning | TSA | Crawford | 58 min |
| May 20, 8:18 PM CDT | Severe Thunderstorm Warning | TSA | Crawford, Sebastian | 57 min |
| May 20, 8:30 PM CDT | Tornado Warning | TSA | Crawford, Sebastian | 60 min |
| May 20, 8:42 PM CDT | Severe Thunderstorm Warning | TSA | Carroll, Madison | 48 min |
| May 20, 8:57 PM CDT | Severe Thunderstorm Warning | TSA | Sebastian | 63 min |
| May 20, 9:05 PM CDT | Tornado Warning | TSA | Crawford, Sebastian | 40 min |
| May 20, 9:21 PM CDT | Special Weather Statement | TSA | Franklin | 24 min |
| May 20, 9:24 PM CDT | Severe Thunderstorm Warning | TSA | Crawford, Franklin, Madison | 66 min |
| May 20, 9:38 PM CDT | Severe Thunderstorm Warning | TSA | Crawford, Franklin | 37 min |
| May 20, 9:43 PM CDT | Tornado Warning | TSA | Franklin | 47 min |
| May 20, 10:11 PM CDT | Areal Flood Advisory | TSA | Franklin, Madison | 2 hr |
| May 21, 2:45 AM CDT | Special Weather Statement | TSA | Sebastian | 45 min |
| May 21, 9:01 AM CDT | Special Weather Statement | TSA | Sebastian | 44 min |
| May 21, 2:58 PM CDT | Special Weather Statement | TSA | Sebastian | 62 min |
| May 21, 3:56 PM CDT | Special Weather Statement | TSA | Franklin, Sebastian | 49 min |
Nearby
Tornado Warnings in Arkansas, 2013Every tornado warning in 2013Tornadoes in 2013
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.