Alert archive / Arkansas / Tornado Warnings in 2012
Tornado Warning 60, NWS Memphis, TN
NWS Memphis, TN issued this tornado warning at Oct 17, 2012, 7:30 PM CDT for Lee County, Phillips County, Arkansas. It was in force for 30 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
- Oct 17, 2012, 7:30 PM CDT (00:30 UTC)
- Expired
- Oct 17, 2012, 8:00 PM CDT
- In force
- 30 min
- Issued by
- NWS Memphis, TN
- Area
- Storm-based polygon
Counties Lee County, AR, Phillips County, AR
The radar
The Memphis radar (KNQA), 114 km from the middle of the area, began a volume at 00:31 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 |
|---|---|---|---|
| Oct 17, 8:00 PM CDT | TSTM WND DMG | 5 N Helena, AR | TREES DOWN ON COUNTY ROAD 300 IN HORNOR. |
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 |
|---|---|---|---|
| Oct 17, 5:21 PM CDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Little Rock, AR (KLZK), launched 00:00Z, 0.5 hours before the alert went out and 76 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
- 947 J/kg
- Mixed-layer CIN
- -48 J/kg
- Mixed-layer LCL
- 1045 m above ground
- 0-6 km bulk shear
- 63 kt
- 0-1 km storm-relative helicity
- 228 m²/s²
- 0-3 km storm-relative helicity
- 236 m²/s²
- Significant tornado parameter
- 1.0
- Supercell composite
- 4.8
The text
As transmitted, in the capitals the NWS used until 2016.
701 WFUS54 KMEG 180030 TORMEG ARC077-107-180100- /O.NEW.KMEG.TO.W.0060.121018T0030Z-121018T0100Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE MEMPHIS TN 730 PM CDT WED OCT 17 2012 THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A * TORNADO WARNING FOR... SOUTH CENTRAL LEE COUNTY IN EASTERN ARKANSAS... NORTHERN PHILLIPS COUNTY IN EASTERN ARKANSAS... * UNTIL 800 PM CDT * AT 730 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM PRODUCING A TORNADO NEAR MARVELL...MOVING NORTHEAST AT 35 MPH. * LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO MARVELL... WEST HELENA AND ST FRANCIS NATIONAL PARK. PRECAUTIONARY/PREPAREDNESS ACTIONS... .THE SAFEST PLACE TO BE DURING A TORNADO IS IN A STORM SHELTER. IF NO STORM SHELTER IS AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS. IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS. && LAT...LON 3474 9060 3453 9059 3441 9090 3458 9098 TIME...MOT...LOC 0030Z 238DEG 32KT 3454 9082 $$
1 follow-up statement
732 WWUS54 KMEG 180045 SVSMEG SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE MEMPHIS TN 745 PM CDT WED OCT 17 2012 ARC077-107-180100- /O.CON.KMEG.TO.W.0060.000000T0000Z-121018T0100Z/ LEE AR-PHILLIPS AR- 745 PM CDT WED OCT 17 2012 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 800 PM CDT FOR NORTHEASTERN PHILLIPS AND SOUTH CENTRAL LEE COUNTIES... AT 745 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A TORNADO. THIS TORNADO WAS LOCATED NEAR LATOUR...OR NEAR WEST HELENA...MOVING NORTHEAST AT 35 MPH. LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO LAGRANGE... WEST HELENA...QUARLES...PHILLIPS BAYOU...LATOUR...WYCAMP...HUMA AND ST FRANCIS NATIONAL PARK. PRECAUTIONARY/PREPAREDNESS ACTIONS... THE SAFEST PLACE TO BE DURING A TORNADO IS IN A STORM SHELTER. IF NO STORM SHELTER IS AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS. IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS. && LAT...LON 3450 9072 3464 9078 3474 9060 3453 9059 TIME...MOT...LOC 0045Z 238DEG 32KT 3461 9068 $$
The office that day
Everything else NWS Memphis, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 17, 7:05 PM CDT | Severe Thunderstorm Warning | MEG | Crittenden, Cross, Poinsett, St. Francis | 40 min |
| Oct 17, 7:11 PM CDT | Special Weather Statement | MEG | Lee | 34 min |
| Oct 17, 7:14 PM CDT | Special Weather Statement | MEG | Mississippi | 31 min |
| Oct 17, 7:18 PM CDT | Severe Thunderstorm Warning | MEG | Lee, St. Francis | 42 min |
| Oct 17, 7:20 PM CDT | Severe Thunderstorm Warning | MEG | Lee, Phillips, St. Francis | 40 min |
| Oct 17, 7:35 PM CDT | Severe Thunderstorm Warning | MEG | Crittenden, Mississippi, Poinsett | 40 min |
| Oct 17, 7:38 PM CDT | Tornado Warning | MEG | Crittenden, Mississippi, Poinsett | 52 min |
| Oct 17, 7:43 PM CDT | Tornado Warning | MEG | Lee, Phillips | 32 min |
| Oct 17, 8:05 PM CDT | Tornado Warning | MEG | Crittenden, Mississippi | 25 min |
| Oct 17, 8:08 PM CDT | Tornado Warning | MEG | Lee, Phillips | 22 min |
| Oct 17, 8:23 PM CDT | Tornado Warning | MEG | Lee, Phillips | 37 min |
| Oct 17, 9:03 PM CDT | Severe Thunderstorm Warning | MEG | Cross, St. Francis | 42 min |
| Oct 17, 9:41 PM CDT | Severe Thunderstorm Warning | MEG | Crittenden, Cross, Lee, St. Francis | 23 min |
| Oct 17, 9:53 PM CDT | Severe Thunderstorm Warning | MEG | Lee, Phillips | 52 min |
Nearby
Tornado Warnings in Arkansas, 2012Every tornado warning in 2012Tornadoes in 2012
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.