Alert archive / Arkansas / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 721, NWS Memphis, TN
NWS Memphis, TN issued this severe thunderstorm warning at Sep 14, 2011, 5:39 PM CDT for Lee County, St. Francis County, Arkansas. It was in force for 51 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
- Sep 14, 2011, 5:39 PM CDT (22:39 UTC)
- Expired
- Sep 14, 2011, 6:30 PM CDT
- In force
- 51 min
- Issued by
- NWS Memphis, TN
- Area
- Storm-based polygon
Counties Lee County, AR, St. Francis County, AR
The radar
The Memphis radar (KNQA), 112 km from the middle of the area, began a volume at 22:40 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
Little Rock, AR (KLZK), launched 12:00Z, 10.7 hours before the alert went out and 97 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
- 2392 J/kg
- Mixed-layer CIN
- -148 J/kg
- Mixed-layer LCL
- 1548 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 26 m²/s²
- 0-3 km storm-relative helicity
- 118 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
178
WUUS54 KMEG 142239
SVRMEG
ARC077-123-142330-
/O.NEW.KMEG.SV.W.0721.110914T2239Z-110914T2330Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MEMPHIS TN
539 PM CDT WED SEP 14 2011
THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHERN LEE COUNTY IN EASTERN ARKANSAS...
ST. FRANCIS COUNTY IN EASTERN ARKANSAS...
* UNTIL 630 PM CDT
* AT 540 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM PRODUCING QUARTER SIZE HAIL...AND DAMAGING
WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED 9 MILES
NORTHWEST OF WHEATLEY...OR NEAR COTTON PLANT...AND MOVING EAST AT
45 MPH.
* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO FORREST
CITY...HUGHES...MADISON...MARIANNA AND PALESTINE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
.STAY TUNED TO THIS BROADCAST FOR THE LATEST UPDATES AND INFORMATION.
TO REPORT SEVERE WEATHER ONLY...CALL 1 800 4 3 2 0 8 7 5.
&&
LAT...LON 3500 9115 3501 9105 3514 9105 3515 9104
3505 9042 3472 9059 3482 9111 3486 9111
3487 9112 3490 9112 3491 9116
TIME...MOT...LOC 2240Z 280DEG 41KT 3502 9114
$$2 follow-up statements
334
WWUS54 KMEG 142305
SVSMEG
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MEMPHIS TN
605 PM CDT WED SEP 14 2011
ARC077-123-142330-
/O.CON.KMEG.SV.W.0721.000000T0000Z-110914T2330Z/
LEE AR-ST. FRANCIS AR-
605 PM CDT WED SEP 14 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM CDT
FOR ST. FRANCIS AND NORTHERN LEE COUNTIES...
AT 605 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM PRODUCING DAMAGING WINDS IN EXCESS OF
60 MPH AND PENNY SIZE HAIL. THIS STORM WAS LOCATED NEAR NEW
SALEM...OR NEAR PALESTINE...MOVING EAST AT 45 MPH.
LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO FORREST
CITY...MADISON...MARIANNA...PALESTINE...L'ANGVILLE...POSEY...
BLOSSOM...GOODWIN...FOUR GUMS...HAWKINS...SLONIKERS MILL...HORTON...
DODSONS CORNER AND BONAIR.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
.STAY TUNED TO THIS BROADCAST FOR THE LATEST UPDATES AND INFORMATION.
TO REPORT SEVERE WEATHER ONLY...CALL 1 800 4 3 2 0 8 7 5.
&&
LAT...LON 3500 9115 3501 9105 3502 9105 3510 9104
3505 9042 3472 9059 3482 9111 3486 9111
3487 9112 3490 9112 3491 9116
TIME...MOT...LOC 2305Z 285DEG 40KT 3489 9092
$$637 WWUS54 KMEG 142320 SVSMEG SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE MEMPHIS TN 620 PM CDT WED SEP 14 2011 ARC077-123-142330- /O.CON.KMEG.SV.W.0721.000000T0000Z-110914T2330Z/ LEE AR-ST. FRANCIS AR- 620 PM CDT WED SEP 14 2011 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM CDT FOR SOUTH CENTRAL ST. FRANCIS AND CENTRAL LEE COUNTIES... AT 621 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM PRODUCING PENNY SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR BALL POINT...OR 6 MILES NORTHEAST OF MARIANNA...MOVING EAST AT 45 MPH. LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO MARIANNA... BONAIR...HEUSTESS...RAWLINSON...SHANNONDALE...MUD LAKE...FOUR FORKS...WESTOR...FELTON...SOUDAN...CODY...RAGGIO...BALL POINT AND DANSBY. PRECAUTIONARY/PREPAREDNESS ACTIONS... .STAY TUNED TO THIS BROADCAST FOR THE LATEST UPDATES AND INFORMATION. TO REPORT SEVERE WEATHER ONLY...CALL 1 800 4 3 2 0 8 7 5. && LAT...LON 3500 9082 3496 9047 3472 9059 3478 9091 TIME...MOT...LOC 2321Z 285DEG 40KT 3482 9062 $$
The office that day
Everything else NWS Memphis, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 14, 12:09 PM CDT | Severe Thunderstorm Warning | MEG | Mississippi | 39 min |
| Sep 14, 3:38 PM CDT | Severe Thunderstorm Warning | MEG | Craighead, Lawrence | 37 min |
| Sep 14, 4:16 PM CDT | Severe Thunderstorm Warning | MEG | Craighead, Greene, Lawrence, Poinsett | 44 min |
| Sep 14, 4:50 PM CDT | Severe Thunderstorm Warning | MEG | Cross, Poinsett | 40 min |
| Sep 14, 6:28 PM CDT | Severe Thunderstorm Warning | MEG | Lee | 32 min |
Nearby
Severe Thunderstorm Warnings in Arkansas, 2011Every severe thunderstorm warning in 2011
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.