Alert archive / Arkansas / Severe Thunderstorm Warnings in 2009
Severe Thunderstorm Warning 310, NWS Memphis, TN
NWS Memphis, TN issued this severe thunderstorm warning at Jul 15, 2009, 6:20 PM CDT for Craighead County, Greene County, Mississippi County, Arkansas; Dunklin County, Pemiscot County, Missouri. It was in force for 40 min. 2 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
- Jul 15, 2009, 6:20 PM CDT (23:20 UTC)
- Expired
- Jul 15, 2009, 7:00 PM CDT
- In force
- 40 min
- Issued by
- NWS Memphis, TN
- Area
- Storm-based polygon
Counties Craighead County, AR, Greene County, AR, Mississippi County, AR, Dunklin County, MO, Pemiscot County, MO
The radar
The Memphis radar (KNQA), 58 km from the middle of the area, began a volume at 23:21 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 |
|---|---|---|---|
| Jul 15, 6:25 PM CDT | TSTM WND GST 60 | Gosnell, AR | WINDS ESTIMATED AT 50 TO 60 MPH. |
| Jul 15, 6:30 PM CDT | TSTM WND DMG | Blytheville, AR | SEVERAL TREES DOWN IN CITY |
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 |
|---|---|---|---|
| Jul 15, 6:03 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Little Rock, AR (KLZK), launched 12:00Z, 11.3 hours before the alert went out and 113 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
- 1320 J/kg
- Mixed-layer CIN
- -223 J/kg
- Mixed-layer LCL
- 1142 m above ground
- 0-6 km bulk shear
- 1 kt
- 0-1 km storm-relative helicity
- 11 m²/s²
- 0-3 km storm-relative helicity
- 114 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.1
The text
As transmitted, in the capitals the NWS used until 2016.
000
WUUS54 KMEG 152320
SVRMEG
ARC031-055-093-MOC069-155-160000-
/O.NEW.KMEG.SV.W.0310.090715T2320Z-090716T0000Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MEMPHIS TN
620 PM CDT WED JUL 15 2009
THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHEASTERN CRAIGHEAD COUNTY IN EASTERN ARKANSAS...
SOUTH CENTRAL GREENE COUNTY IN EASTERN ARKANSAS...
NORTHERN MISSISSIPPI COUNTY IN EASTERN ARKANSAS...
SOUTHERN DUNKLIN COUNTY IN SOUTHEAST MISSOURI...
EXTREME SOUTHWESTERN PEMISCOT COUNTY IN SOUTHEAST MISSOURI...
* UNTIL 700 PM CDT
* AT 620 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM PRODUCING NICKEL SIZE HAIL...AND DAMAGING WINDS
IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED 9 MILES NORTHWEST OF
LEACHVILLE...AND MOVING SOUTHEAST AT 50 MPH.
* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
INCLUDE BLACK OAK...DELL AND BURDETTE. THIS WARNING ALSO INCLUDES
BIG LAKE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
.IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS.
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE
STRUCK BY LIGHTNING.
.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 3603 8971 3575 8991 3573 8995 3570 8995
3565 8998 3586 9054 3603 9047
TIME...MOT...LOC 2320Z 309DEG 43KT 3604 9032
$$The office that day
Everything else NWS Memphis, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 15, 3:40 AM CDT | Heat Advisory | MEG | Craighead, Crittenden, Cross, Lee, Mississippi, Phillips and 2 more | 15 hr |
| Jul 15, 5:02 PM CDT | Severe Thunderstorm Warning | MEG | Clay, Randolph | 43 min |
| Jul 15, 5:22 PM CDT | Severe Thunderstorm Warning | MEG | Clay | 53 min |
| Jul 15, 5:29 PM CDT | Flash Flood Warning | MEG | Clay, Greene, Randolph | 2 hr |
| Jul 15, 5:40 PM CDT | Severe Thunderstorm Warning | MEG | Clay, Greene, Randolph | 50 min |
| Jul 15, 5:52 PM CDT | Severe Thunderstorm Warning | MEG | Clay, Greene | 53 min |
| Jul 15, 5:54 PM CDT | Severe Thunderstorm Warning | MEG | Clay | 51 min |
| Jul 15, 6:30 PM CDT | Severe Thunderstorm Warning | MEG | Mississippi | 45 min |
| Jul 15, 5:35 PM CDT | Severe Thunderstorm Warning | MEG | Dunklin | 40 min |
| Jul 15, 6:02 PM CDT | Severe Thunderstorm Warning | MEG | Dunklin, Pemiscot | 43 min |
| Jul 15, 6:23 PM CDT | Severe Thunderstorm Warning | MEG | Pemiscot | 52 min |
Nearby
Severe Thunderstorm Warnings in Arkansas, 2009Severe Thunderstorm Warnings in Missouri, 2009Every severe thunderstorm warning in 2009
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.