Alert archive / Mississippi / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 708, NWS Memphis, TN
NWS Memphis, TN issued this severe thunderstorm warning at Aug 23, 2011, 6:02 PM CDT for Hardeman County, Tennessee; Benton County, Tippah County, Mississippi. It was in force for 28 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
- Aug 23, 2011, 6:02 PM CDT (23:02 UTC)
- Expired
- Aug 23, 2011, 6:30 PM CDT
- In force
- 28 min
- Issued by
- NWS Memphis, TN
- Area
- Storm-based polygon
Counties Benton County, MS, Tippah County, MS, Hardeman County, TN
The radar
The Memphis radar (KNQA), 89 km from the middle of the area, began a volume at 23:02 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, 11.0 hours before the alert went out and 89 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
- 4250 J/kg
- Mixed-layer CIN
- -19 J/kg
- Mixed-layer LCL
- 740 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- -16 m²/s²
- 0-3 km storm-relative helicity
- 49 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
883 WUUS54 KMEG 232302 SVRMEG MSC009-139-TNC069-232330- /O.NEW.KMEG.SV.W.0708.110823T2302Z-110823T2330Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MEMPHIS TN 602 PM CDT TUE AUG 23 2011 THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHEASTERN BENTON COUNTY IN NORTHEAST MISSISSIPPI... NORTH CENTRAL TIPPAH COUNTY IN NORTHEAST MISSISSIPPI... SOUTH CENTRAL HARDEMAN COUNTY IN SOUTHWEST TENNESSEE... * UNTIL 630 PM CDT * AT 602 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 NEAR HAMILTON... OR 14 MILES NORTH OF RIPLEY...AND MOVING NORTHEAST AT 5 MPH. * LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO WALNUT... ROGERS SPRINGS...NEW CANAAN...BRODY...BROWNFIELD AND HAMILTON. 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 3511 8899 3497 8883 3480 8904 3495 8913 TIME...MOT...LOC 2302Z 229DEG 5KT 3493 8902 $$
1 follow-up statement
765 WWUS54 KMEG 232321 SVSMEG SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE MEMPHIS TN 621 PM CDT TUE AUG 23 2011 MSC009-139-TNC069-232332- /O.EXP.KMEG.SV.W.0708.000000T0000Z-110823T2330Z/ BENTON MS-TIPPAH MS-HARDEMAN TN- 621 PM CDT TUE AUG 23 2011 ...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL HARDEMAN...NORTH CENTRAL TIPPAH AND NORTHEASTERN BENTON COUNTIES WILL EXPIRE AT 630 PM CDT... AT 622 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED THAT THE THUNDERSTORMS WHICH PROMPTED THE WARNING HAVE WEAKENED...AND NO LONGER POSE AN IMMEDIATE THREAT TO LIFE OR PROPERTY. THEREFORE...THE SEVERE THUNDERSTORM WARNING WILL BE ALLOWED TO EXPIRE. LAT...LON 3511 8899 3497 8883 3480 8904 3495 8913 TIME...MOT...LOC 2322Z 229DEG 5KT 3495 8899 $$
The office that day
Everything else NWS Memphis, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 23, 11:41 AM CDT | Heat Advisory | MEG | Dyer, Lake, Lauderdale, Obion, Shelby, Tipton | 21 hr |
Nearby
Severe Thunderstorm Warnings in Mississippi, 2011Severe Thunderstorm Warnings in Tennessee, 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.