Alert archive / Arkansas / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 13, NWS Memphis, TN

January 22, 2012Craighead County, Cross County, Poinsett County, Arkansas

NWS Memphis, TN issued this severe thunderstorm warning at Jan 22, 2012, 7:56 PM CST for Craighead County, Cross County, Poinsett County, Arkansas. It was in force for 49 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: Jan 22, 2012, 7:56 PM CST (01:56 UTC)
Expired: Jan 22, 2012, 8:45 PM CST
In force: 49 min
Issued by: NWS Memphis, TN
Area: Storm-based polygon

Counties Craighead County, AR, Cross County, AR, Poinsett County, AR

The radar

The Memphis radar (KNQA), 100 km from the middle of the area, began a volume at 01:56 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
Jan 22, 8:29 PM CST	TSTM WND DMG	Jonesboro, AR	TREE DOWN BLOCKING HIGHWAY 226 SPUR IN SOUTHWEST JONESBORO

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
Jan 22, 5:16 PM CST	Tornado Watch PDS	SPC	6 hr

The nearest sounding before it

Little Rock, AR (KLZK), launched 00:00Z, 1.9 hours before the alert went out and 133 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 998 J/kg
Mixed-layer CIN: -5 J/kg
Mixed-layer LCL: 455 m above ground
0-6 km bulk shear: 69 kt
0-1 km storm-relative helicity: 475 m²/s²
0-3 km storm-relative helicity: 474 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 10.8

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

502 
WUUS54 KMEG 230156
SVRMEG
ARC031-037-111-230245-
/O.NEW.KMEG.SV.W.0013.120123T0156Z-120123T0245Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MEMPHIS TN
756 PM CST SUN JAN 22 2012

THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CRAIGHEAD COUNTY IN EASTERN ARKANSAS...
  NORTHWESTERN CROSS COUNTY IN EASTERN ARKANSAS...
  WESTERN POINSETT COUNTY IN EASTERN ARKANSAS...

* UNTIL 845 PM CST

* AT 756 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS PRODUCING QUARTER SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THESE STORMS WERE LOCATED
  ALONG A LINE EXTENDING FROM CASH TO 16 MILES SOUTHWEST OF HICKORY
  RIDGE...OR ALONG A LINE EXTENDING FROM 12 MILES SOUTHWEST OF BONO
  TO MCCRORY...AND MOVING NORTHEAST AT 55 MPH.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO BAY...
  BONO...BROOKLAND...CASH...EGYPT...GREENFIELD...HARRISBURG...HICKORY
  RIDGE...JONESBORO...WALDENBURG AND WEINER.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

.A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. IF A TORNADO
IS SPOTTED... ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A STURDY
STRUCTURE...SUCH AS A STORM SHELTER OR SMALL INTERIOR ROOM.

&&

LAT...LON 3576 9105 3586 9103 3589 9091 3588 9088
      3597 9085 3597 9047 3596 9040 3545 9067
      3534 9105
TIME...MOT...LOC 0156Z 234DEG 46KT 3581 9086 3534 9118

$$


WRB/RRH

2 follow-up statements

923 
WWUS54 KMEG 230211
SVSMEG

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MEMPHIS TN
811 PM CST SUN JAN 22 2012

ARC031-037-111-230245-
/O.CON.KMEG.SV.W.0013.000000T0000Z-120123T0245Z/
CRAIGHEAD AR-CROSS AR-POINSETT AR-
811 PM CST SUN JAN 22 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 PM CST
FOR WESTERN POINSETT...NORTHWESTERN CROSS AND CRAIGHEAD COUNTIES...

AT 811 PM CST...TRAINED WEATHER SPOTTERS REPORTED A LINE OF SEVERE
THUNDERSTORMS PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS IN
EXCESS OF 60 MPH.  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING
FROM HERNDON TO HICKORY RIDGE...OR ALONG A LINE EXTENDING FROM BONO
TO 14 MILES NORTHEAST OF MCCRORY...MOVING NORTHEAST AT 55 MPH.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO BAY...BONO...
BROOKLAND...CASH...FISHER...GREENFIELD...HARRISBURG...HICKORY
RIDGE...JONESBORO...WALDENBURG...WEINER...SUPPLY...WINESBURG AND
DRYDEN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. IF A TORNADO
IS SPOTTED... ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A STURDY
STRUCTURE...SUCH AS A STORM SHELTER OR SMALL INTERIOR ROOM.

&&

LAT...LON 3571 9104 3589 9087 3597 9085 3596 9040
      3545 9067 3534 9105
TIME...MOT...LOC 0211Z 235DEG 46KT 3592 9066 3545 9098

$$


WRB/RRH

359 
WWUS54 KMEG 230230
SVSMEG

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MEMPHIS TN
830 PM CST SUN JAN 22 2012

ARC031-037-111-230245-
/O.CON.KMEG.SV.W.0013.000000T0000Z-120123T0245Z/
CRAIGHEAD AR-CROSS AR-POINSETT AR-
830 PM CST SUN JAN 22 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 PM CST
FOR WESTERN POINSETT...NORTHWESTERN CROSS AND CENTRAL CRAIGHEAD
COUNTIES...

AT 830 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THESE STORMS WERE
LOCATED ALONG A LINE EXTENDING FROM GOOBERTOWN TO SUPPLY...OR ALONG A
LINE EXTENDING FROM PARAGOULD TO 6 MILES WEST OF HARRISBURG...MOVING 
NORTHEAST AT 50 MPH. 

TREES DOWN HAVE BEEN REPORTED SOUTH OF JONESBORO.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO BAY...
BROOKLAND...FISHER...GREENFIELD...HARRISBURG...HICKORY RIDGE...
JONESBORO...WALDENBURG...WEINER...SUPPLY...GILKERSON...OTWELL...
VALLEY VIEW AND CARY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. IF A TORNADO
IS SPOTTED... ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A STURDY
STRUCTURE...SUCH AS A STORM SHELTER OR SMALL INTERIOR ROOM.

&&

LAT...LON 3555 9104 3588 9075 3597 9070 3596 9040
      3545 9067 3534 9105
TIME...MOT...LOC 0230Z 235DEG 44KT 3604 9043 3558 9075

$$


WRB/RRH

The office that day

Everything else NWS Memphis, TN issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jan 22, 6:59 PM CST	Severe Thunderstorm Warning	MEG	Craighead, Greene, Lawrence, Randolph	46 min
Jan 22, 7:26 PM CST	Severe Thunderstorm Warning	MEG	Craighead, Greene, Lawrence	34 min
Jan 22, 7:42 PM CST	Severe Thunderstorm Warning	MEG	Clay, Greene, Lawrence, Randolph	48 min
Jan 22, 7:53 PM CST	Severe Thunderstorm Warning	MEG	Clay, Greene	52 min
Jan 22, 8:11 PM CST	Tornado Warning	MEG	Lee, St. Francis	49 min
Jan 22, 8:18 PM CST	Severe Thunderstorm Warning	MEG	Cross, Poinsett	42 min
Jan 22, 8:27 PM CST	Severe Thunderstorm Warning	MEG	Clay, Greene	63 min
Jan 22, 8:43 PM CST	Tornado Warning	MEG	Lee, Phillips	47 min
Jan 22, 8:44 PM CST	Severe Thunderstorm Warning	MEG	Craighead, Mississippi, Poinsett	61 min
Jan 22, 8:58 PM CST	Severe Thunderstorm Warning	MEG	Crittenden, Cross, St. Francis	38 min
Jan 22, 9:01 PM CST	Severe Thunderstorm Warning	MEG	Phillips	44 min
Jan 22, 9:18 PM CST	Tornado Warning	MEG	Lee, Phillips	27 min
Jan 22, 9:20 PM CST	Severe Thunderstorm Warning	MEG	Crittenden, Mississippi	55 min
Jan 22, 9:21 PM CST	Severe Thunderstorm Warning	MEG	Lee, Phillips	24 min
Jan 22, 9:41 PM CST	Severe Thunderstorm Warning	MEG	Lee, Phillips	49 min
Jan 22, 9:46 PM CST	Tornado Warning	MEG	Lee, Phillips	29 min
Jan 22, 9:55 PM CST	Tornado Warning	MEG	Crittenden, St. Francis	22 min

Nearby

Severe Thunderstorm Warnings in Arkansas, 2012 Every severe thunderstorm warning 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.