Alert archive / Arkansas / Tornado Warnings in 2012
Tornado Warning 78, NWS Memphis, TN
NWS Memphis, TN issued this tornado warning at Dec 9, 2012, 3:13 PM CST for Lawrence County, Randolph County, Arkansas. It was in force for 32 min. 4 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
- Dec 9, 2012, 3:13 PM CST (21:13 UTC)
- Expired
- Dec 9, 2012, 3:45 PM CST
- In force
- 32 min
- Issued by
- NWS Memphis, TN
- Area
- Storm-based polygon
Counties Lawrence County, AR, Randolph County, AR
The radar
The Memphis radar (KNQA), 154 km from the middle of the area, began a volume at 21:15 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 |
|---|---|---|---|
| Dec 9, 3:30 PM CST | HAIL 1.25 | 5 Sw Imboden, AR | HALF DOLLAR SIZE HAIL AND SMALL TREE LIMBS REPORTED DOWN BY THE PUBLIC. |
| Dec 9, 3:33 PM CST | TSTM WND DMG | 5 N Black Rock, AR | DAMAGE TO SEVERAL TREES...HAY BARN AND PARTIALLY CONSTRUCTED HOME. |
| Dec 9, 3:33 PM CST | TORNADO | 11 Sw Pocahontas, AR | HOUSE COMPLETELY SHIFTED OFF FOUNDATION. SECOND STORY OF HOME REMOVED ALONG WITH ROOF. NEIGHBORS BARN IN RESIDENTS YARD. |
| Dec 9, 3:33 PM CST | TORNADO | 3 Ssw Imboden, AR | TORNADO ON GROUND NEAR IMBODEN. SMALL DEBRIS FIELD REPORTED AND MEASURED WIND GUST OF 59 MILES PER HOUR. |
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 |
|---|---|---|---|
| Dec 9, 2:10 PM CST | Tornado Watch | SPC | 9 hr |
The nearest sounding before it
Little Rock, AR (KLZK), launched 12:00Z, 9.2 hours before the alert went out and 189 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
- 344 J/kg
- Mixed-layer CIN
- -16 J/kg
- Mixed-layer LCL
- 445 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 200 m²/s²
- 0-3 km storm-relative helicity
- 219 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.9
The text
As transmitted, in the capitals the NWS used until 2016.
640 WFUS54 KMEG 092113 TORMEG ARC075-121-092145- /O.NEW.KMEG.TO.W.0078.121209T2113Z-121209T2145Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE MEMPHIS TN 313 PM CST SUN DEC 9 2012 THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A * TORNADO WARNING FOR... NORTHWESTERN LAWRENCE COUNTY IN EASTERN ARKANSAS... SOUTH CENTRAL RANDOLPH COUNTY IN EASTERN ARKANSAS... * UNTIL 345 PM CST * AT 314 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM PRODUCING A TORNADO 9 MILES WEST OF ANNIEVILLE...OR 14 MILES WEST OF LAKE CHARLES STATE PARK...MOVING EAST AT 40 MPH. * LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO RURAL AREAS OF NORTHWESTERN LAWRENCE AND SOUTH CENTRAL RANDOLPH COUNTIES. 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 3620 9135 3628 9108 3611 9108 3606 9135 TIME...MOT...LOC 2114Z 252DEG 34KT 3612 9136 $$
2 follow-up statements
442 WWUS54 KMEG 092132 SVSMEG SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE MEMPHIS TN 332 PM CST SUN DEC 9 2012 ARC075-121-092145- /O.CON.KMEG.TO.W.0078.000000T0000Z-121209T2145Z/ LAWRENCE AR-RANDOLPH AR- 332 PM CST SUN DEC 9 2012 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 345 PM CST FOR SOUTH CENTRAL RANDOLPH AND NORTH CENTRAL LAWRENCE COUNTIES... AT 332 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A TORNADO. THIS TORNADO WAS LOCATED NEAR IMBODEN...OR 6 MILES NORTHWEST OF BLACK ROCK...MOVING EAST AT 40 MPH. LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO BLACK ROCK AND BIRDELL. PRECAUTIONARY/PREPAREDNESS ACTIONS... THE SAFEST PLACE TO BE DURING A TORNADO IS IN A STORM SHELTER. IF NO STORM SHELTER IS AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS. IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS. && LAT...LON 3608 9127 3623 9126 3628 9108 3611 9108 TIME...MOT...LOC 2132Z 252DEG 34KT 3617 9116 $$
896 WWUS54 KMEG 092140 SVSMEG SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE MEMPHIS TN 340 PM CST SUN DEC 9 2012 ARC075-121-092151- /O.EXP.KMEG.TO.W.0078.000000T0000Z-121209T2145Z/ LAWRENCE AR-RANDOLPH AR- 340 PM CST SUN DEC 9 2012 ...THE TORNADO WARNING FOR SOUTH CENTRAL RANDOLPH AND NORTH CENTRAL LAWRENCE COUNTIES WILL EXPIRE AT 345 PM CST... AT 341 PM CST...WEATHER SERVICE DOPPLER RADAR INDICATED THAT THE THUNDERSTORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE AREA AND WEAKENED. THEREFORE...THE TORNADO WARNING WILL BE ALLOWED TO EXPIRE. LAT...LON 3608 9127 3623 9126 3628 9108 3611 9108 TIME...MOT...LOC 2141Z 252DEG 34KT 3619 9106 $$
The office that day
Everything else NWS Memphis, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 8, 11:52 PM CST | Special Weather Statement | MEG | Lawrence | 38 min |
| Dec 9, 12:11 AM CST | Special Weather Statement | MEG | Lawrence | 34 min |
| Dec 9, 3:05 PM CST | Severe Thunderstorm Warning | MEG | Lawrence, Randolph | 40 min |
| Dec 9, 3:40 PM CST | Severe Thunderstorm Warning | MEG | Greene, Randolph | 35 min |
| Dec 9, 4:05 PM CST | Special Weather Statement | MEG | Clay | 25 min |
| Dec 9, 4:48 PM CST | Special Weather Statement | MEG | Craighead | 27 min |
| Dec 9, 4:52 PM CST | Special Weather Statement | MEG | Clay | 38 min |
| Dec 9, 5:13 PM CST | Special Weather Statement | MEG | Craighead | 32 min |
| Dec 9, 5:44 PM CST | Flash Flood Warning | MEG | Clay, Greene | 99 min |
| Dec 9, 5:51 PM CST | Special Weather Statement | MEG | Craighead | 39 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.